1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/nsDocumentViewer.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,4412 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 sw=2 et tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +/* container for a document and its presentation */
1.11 +
1.12 +#include "nscore.h"
1.13 +#include "nsCOMPtr.h"
1.14 +#include "nsCRT.h"
1.15 +#include "nsString.h"
1.16 +#include "nsReadableUtils.h"
1.17 +#include "nsIContent.h"
1.18 +#include "nsIContentViewerContainer.h"
1.19 +#include "nsIContentViewer.h"
1.20 +#include "nsIDocumentViewerPrint.h"
1.21 +#include "nsIDOMBeforeUnloadEvent.h"
1.22 +#include "nsIDocument.h"
1.23 +#include "nsIDOMWindowUtils.h"
1.24 +#include "nsPresContext.h"
1.25 +#include "nsIPresShell.h"
1.26 +#include "nsStyleSet.h"
1.27 +#include "nsCSSStyleSheet.h"
1.28 +#include "nsIFrame.h"
1.29 +#include "nsIWritablePropertyBag2.h"
1.30 +#include "nsSubDocumentFrame.h"
1.31 +
1.32 +#include "nsILinkHandler.h"
1.33 +#include "nsIDOMDocument.h"
1.34 +#include "nsISelectionListener.h"
1.35 +#include "nsISelectionPrivate.h"
1.36 +#include "nsIDOMHTMLDocument.h"
1.37 +#include "nsIDOMHTMLElement.h"
1.38 +#include "nsContentUtils.h"
1.39 +#include "nsLayoutStylesheetCache.h"
1.40 +#ifdef ACCESSIBILITY
1.41 +#include "mozilla/a11y/DocAccessible.h"
1.42 +#endif
1.43 +#include "mozilla/BasicEvents.h"
1.44 +#include "mozilla/Preferences.h"
1.45 +#include "mozilla/dom/EncodingUtils.h"
1.46 +#include "mozilla/WeakPtr.h"
1.47 +
1.48 +#include "nsViewManager.h"
1.49 +#include "nsView.h"
1.50 +
1.51 +#include "nsIPageSequenceFrame.h"
1.52 +#include "nsNetUtil.h"
1.53 +#include "nsIContentViewerEdit.h"
1.54 +#include "nsIContentViewerFile.h"
1.55 +#include "mozilla/css/Loader.h"
1.56 +#include "nsIMarkupDocumentViewer.h"
1.57 +#include "nsIInterfaceRequestor.h"
1.58 +#include "nsIInterfaceRequestorUtils.h"
1.59 +#include "nsDocShell.h"
1.60 +#include "nsIBaseWindow.h"
1.61 +#include "nsILayoutHistoryState.h"
1.62 +#include "nsCharsetSource.h"
1.63 +#include "nsHTMLReflowState.h"
1.64 +#include "nsIImageLoadingContent.h"
1.65 +#include "nsCopySupport.h"
1.66 +#include "nsIDOMHTMLFrameSetElement.h"
1.67 +#ifdef MOZ_XUL
1.68 +#include "nsIXULDocument.h"
1.69 +#include "nsXULPopupManager.h"
1.70 +#endif
1.71 +
1.72 +#include "nsIClipboardHelper.h"
1.73 +
1.74 +#include "nsPIDOMWindow.h"
1.75 +#include "nsDOMNavigationTiming.h"
1.76 +#include "nsPIWindowRoot.h"
1.77 +#include "nsJSEnvironment.h"
1.78 +#include "nsFocusManager.h"
1.79 +
1.80 +#include "nsIScrollableFrame.h"
1.81 +#include "nsStyleSheetService.h"
1.82 +#include "nsRenderingContext.h"
1.83 +#include "nsILoadContext.h"
1.84 +
1.85 +#include "nsIPrompt.h"
1.86 +#include "imgIContainer.h" // image animation mode constants
1.87 +
1.88 +//--------------------------
1.89 +// Printing Include
1.90 +//---------------------------
1.91 +#ifdef NS_PRINTING
1.92 +
1.93 +#include "nsIWebBrowserPrint.h"
1.94 +
1.95 +#include "nsPrintEngine.h"
1.96 +
1.97 +// Print Options
1.98 +#include "nsIPrintSettings.h"
1.99 +#include "nsIPrintOptions.h"
1.100 +#include "nsISimpleEnumerator.h"
1.101 +
1.102 +#ifdef DEBUG
1.103 +// PrintOptions is now implemented by PrintSettingsService
1.104 +static const char sPrintOptionsContractID[] =
1.105 + "@mozilla.org/gfx/printsettings-service;1";
1.106 +#endif // DEBUG
1.107 +
1.108 +#include "nsIPluginDocument.h"
1.109 +
1.110 +#endif // NS_PRINTING
1.111 +
1.112 +//focus
1.113 +#include "nsIDOMEventTarget.h"
1.114 +#include "nsIDOMEventListener.h"
1.115 +#include "nsISelectionController.h"
1.116 +
1.117 +#include "mozilla/EventDispatcher.h"
1.118 +#include "nsISHEntry.h"
1.119 +#include "nsISHistory.h"
1.120 +#include "nsISHistoryInternal.h"
1.121 +#include "nsIWebNavigation.h"
1.122 +#include "nsXMLHttpRequest.h"
1.123 +
1.124 +//paint forcing
1.125 +#include <stdio.h>
1.126 +
1.127 +#include "mozilla/dom/Element.h"
1.128 +
1.129 +using namespace mozilla;
1.130 +using namespace mozilla::dom;
1.131 +
1.132 +#define BEFOREUNLOAD_DISABLED_PREFNAME "dom.disable_beforeunload"
1.133 +
1.134 +//-----------------------------------------------------
1.135 +// PR LOGGING
1.136 +#ifdef MOZ_LOGGING
1.137 +#define FORCE_PR_LOG /* Allow logging in the release build */
1.138 +#endif
1.139 +
1.140 +#include "prlog.h"
1.141 +
1.142 +#ifdef PR_LOGGING
1.143 +
1.144 +#ifdef NS_PRINTING
1.145 +static PRLogModuleInfo *
1.146 +GetPrintingLog()
1.147 +{
1.148 + static PRLogModuleInfo *sLog;
1.149 + if (!sLog)
1.150 + sLog = PR_NewLogModule("printing");
1.151 + return sLog;
1.152 +}
1.153 +#define PR_PL(_p1) PR_LOG(GetPrintingLog(), PR_LOG_DEBUG, _p1);
1.154 +#endif // NS_PRINTING
1.155 +
1.156 +#define PRT_YESNO(_p) ((_p)?"YES":"NO")
1.157 +#else
1.158 +#define PRT_YESNO(_p)
1.159 +#define PR_PL(_p1)
1.160 +#endif
1.161 +//-----------------------------------------------------
1.162 +
1.163 +class nsDocumentViewer;
1.164 +class nsPrintEventDispatcher;
1.165 +
1.166 +// a small delegate class used to avoid circular references
1.167 +
1.168 +class nsDocViewerSelectionListener : public nsISelectionListener
1.169 +{
1.170 +public:
1.171 +
1.172 + // nsISupports interface...
1.173 + NS_DECL_ISUPPORTS
1.174 +
1.175 + // nsISelectionListerner interface
1.176 + NS_DECL_NSISELECTIONLISTENER
1.177 +
1.178 + nsDocViewerSelectionListener()
1.179 + : mDocViewer(nullptr)
1.180 + , mGotSelectionState(false)
1.181 + , mSelectionWasCollapsed(false)
1.182 + {
1.183 + }
1.184 +
1.185 + virtual ~nsDocViewerSelectionListener() {}
1.186 +
1.187 + nsresult Init(nsDocumentViewer *aDocViewer);
1.188 +
1.189 +protected:
1.190 +
1.191 + nsDocumentViewer* mDocViewer;
1.192 + bool mGotSelectionState;
1.193 + bool mSelectionWasCollapsed;
1.194 +
1.195 +};
1.196 +
1.197 +
1.198 +/** editor Implementation of the FocusListener interface
1.199 + */
1.200 +class nsDocViewerFocusListener : public nsIDOMEventListener
1.201 +{
1.202 +public:
1.203 + /** default constructor
1.204 + */
1.205 + nsDocViewerFocusListener();
1.206 + /** default destructor
1.207 + */
1.208 + virtual ~nsDocViewerFocusListener();
1.209 +
1.210 + NS_DECL_ISUPPORTS
1.211 + NS_DECL_NSIDOMEVENTLISTENER
1.212 +
1.213 + nsresult Init(nsDocumentViewer *aDocViewer);
1.214 +
1.215 +private:
1.216 + nsDocumentViewer* mDocViewer;
1.217 +};
1.218 +
1.219 +
1.220 +//-------------------------------------------------------------
1.221 +class nsDocumentViewer : public nsIContentViewer,
1.222 + public nsIContentViewerEdit,
1.223 + public nsIContentViewerFile,
1.224 + public nsIMarkupDocumentViewer,
1.225 + public nsIDocumentViewerPrint
1.226 +
1.227 +#ifdef NS_PRINTING
1.228 + , public nsIWebBrowserPrint
1.229 +#endif
1.230 +
1.231 +{
1.232 + friend class nsDocViewerSelectionListener;
1.233 + friend class nsPagePrintTimer;
1.234 + friend class nsPrintEngine;
1.235 +
1.236 +public:
1.237 + nsDocumentViewer();
1.238 +
1.239 + NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
1.240 +
1.241 + // nsISupports interface...
1.242 + NS_DECL_ISUPPORTS
1.243 +
1.244 + // nsIContentViewer interface...
1.245 + NS_DECL_NSICONTENTVIEWER
1.246 +
1.247 + // nsIContentViewerEdit
1.248 + NS_DECL_NSICONTENTVIEWEREDIT
1.249 +
1.250 + // nsIContentViewerFile
1.251 + NS_DECL_NSICONTENTVIEWERFILE
1.252 +
1.253 + // nsIMarkupDocumentViewer
1.254 + NS_DECL_NSIMARKUPDOCUMENTVIEWER
1.255 +
1.256 +#ifdef NS_PRINTING
1.257 + // nsIWebBrowserPrint
1.258 + NS_DECL_NSIWEBBROWSERPRINT
1.259 +#endif
1.260 +
1.261 + typedef void (*CallChildFunc)(nsIMarkupDocumentViewer* aViewer,
1.262 + void* aClosure);
1.263 + void CallChildren(CallChildFunc aFunc, void* aClosure);
1.264 +
1.265 + // nsIDocumentViewerPrint Printing Methods
1.266 + NS_DECL_NSIDOCUMENTVIEWERPRINT
1.267 +
1.268 +
1.269 + static void DispatchBeforePrint(nsIDocument* aTop)
1.270 + {
1.271 + DispatchEventToWindowTree(aTop, NS_LITERAL_STRING("beforeprint"));
1.272 + }
1.273 + static void DispatchAfterPrint(nsIDocument* aTop)
1.274 + {
1.275 + DispatchEventToWindowTree(aTop, NS_LITERAL_STRING("afterprint"));
1.276 + }
1.277 + static void DispatchEventToWindowTree(nsIDocument* aTop,
1.278 + const nsAString& aEvent);
1.279 +
1.280 +protected:
1.281 + virtual ~nsDocumentViewer();
1.282 +
1.283 +private:
1.284 + /**
1.285 + * Creates a view manager, root view, and widget for the root view, setting
1.286 + * mViewManager and mWindow.
1.287 + * @param aSize the initial size in appunits
1.288 + * @param aContainerView the container view to hook our root view up
1.289 + * to as a child, or null if this will be the root view manager
1.290 + */
1.291 + nsresult MakeWindow(const nsSize& aSize, nsView* aContainerView);
1.292 +
1.293 + /**
1.294 + * Create our device context
1.295 + */
1.296 + nsresult CreateDeviceContext(nsView* aContainerView);
1.297 +
1.298 + /**
1.299 + * If aDoCreation is true, this creates the device context, creates a
1.300 + * prescontext if necessary, and calls MakeWindow.
1.301 + *
1.302 + * If aForceSetNewDocument is false, then SetNewDocument won't be
1.303 + * called if the window's current document is already mDocument.
1.304 + */
1.305 + nsresult InitInternal(nsIWidget* aParentWidget,
1.306 + nsISupports *aState,
1.307 + const nsIntRect& aBounds,
1.308 + bool aDoCreation,
1.309 + bool aNeedMakeCX = true,
1.310 + bool aForceSetNewDocument = true);
1.311 + /**
1.312 + * @param aDoInitialReflow set to true if you want to kick off the initial
1.313 + * reflow
1.314 + */
1.315 + nsresult InitPresentationStuff(bool aDoInitialReflow);
1.316 +
1.317 + nsresult GetPopupNode(nsIDOMNode** aNode);
1.318 + nsresult GetPopupLinkNode(nsIDOMNode** aNode);
1.319 + nsresult GetPopupImageNode(nsIImageLoadingContent** aNode);
1.320 +
1.321 + void PrepareToStartLoad(void);
1.322 +
1.323 + nsresult SyncParentSubDocMap();
1.324 +
1.325 + nsresult GetDocumentSelection(nsISelection **aSelection);
1.326 +
1.327 + void DestroyPresShell();
1.328 + void DestroyPresContext();
1.329 +
1.330 +#ifdef NS_PRINTING
1.331 + // Called when the DocViewer is notified that the state
1.332 + // of Printing or PP has changed
1.333 + void SetIsPrintingInDocShellTree(nsIDocShellTreeItem* aParentNode,
1.334 + bool aIsPrintingOrPP,
1.335 + bool aStartAtTop);
1.336 +#endif // NS_PRINTING
1.337 +
1.338 + // Whether we should attach to the top level widget. This is true if we
1.339 + // are sharing/recycling a single base widget and not creating multiple
1.340 + // child widgets.
1.341 + bool ShouldAttachToTopLevel();
1.342 +
1.343 +protected:
1.344 + // These return the current shell/prescontext etc.
1.345 + nsIPresShell* GetPresShell();
1.346 + nsPresContext* GetPresContext();
1.347 + nsViewManager* GetViewManager();
1.348 +
1.349 + void DetachFromTopLevelWidget();
1.350 +
1.351 + // IMPORTANT: The ownership implicit in the following member
1.352 + // variables has been explicitly checked and set using nsCOMPtr
1.353 + // for owning pointers and raw COM interface pointers for weak
1.354 + // (ie, non owning) references. If you add any members to this
1.355 + // class, please make the ownership explicit (pinkerton, scc).
1.356 +
1.357 + WeakPtr<nsDocShell> mContainer; // it owns me!
1.358 + nsWeakPtr mTopContainerWhilePrinting;
1.359 + nsRefPtr<nsDeviceContext> mDeviceContext; // We create and own this baby
1.360 +
1.361 + // the following six items are explicitly in this order
1.362 + // so they will be destroyed in the reverse order (pinkerton, scc)
1.363 + nsCOMPtr<nsIDocument> mDocument;
1.364 + nsCOMPtr<nsIWidget> mWindow; // may be null
1.365 + nsRefPtr<nsViewManager> mViewManager;
1.366 + nsRefPtr<nsPresContext> mPresContext;
1.367 + nsCOMPtr<nsIPresShell> mPresShell;
1.368 +
1.369 + nsCOMPtr<nsISelectionListener> mSelectionListener;
1.370 + nsRefPtr<nsDocViewerFocusListener> mFocusListener;
1.371 +
1.372 + nsCOMPtr<nsIContentViewer> mPreviousViewer;
1.373 + nsCOMPtr<nsISHEntry> mSHEntry;
1.374 +
1.375 + nsIWidget* mParentWidget; // purposely won't be ref counted. May be null
1.376 + bool mAttachedToParent; // view is attached to the parent widget
1.377 +
1.378 + nsIntRect mBounds;
1.379 +
1.380 + // mTextZoom/mPageZoom record the textzoom/pagezoom of the first (galley)
1.381 + // presshell only.
1.382 + float mTextZoom; // Text zoom, defaults to 1.0
1.383 + float mPageZoom;
1.384 + int mMinFontSize;
1.385 +
1.386 + int16_t mNumURLStarts;
1.387 + int16_t mDestroyRefCount; // a second "refcount" for the document viewer's "destroy"
1.388 +
1.389 + unsigned mStopped : 1;
1.390 + unsigned mLoaded : 1;
1.391 + unsigned mDeferredWindowClose : 1;
1.392 + // document management data
1.393 + // these items are specific to markup documents (html and xml)
1.394 + // may consider splitting these out into a subclass
1.395 + unsigned mIsSticky : 1;
1.396 + unsigned mInPermitUnload : 1;
1.397 + unsigned mInPermitUnloadPrompt: 1;
1.398 +
1.399 +#ifdef NS_PRINTING
1.400 + unsigned mClosingWhilePrinting : 1;
1.401 +
1.402 +#if NS_PRINT_PREVIEW
1.403 + unsigned mPrintPreviewZoomed : 1;
1.404 +
1.405 + // These data members support delayed printing when the document is loading
1.406 + unsigned mPrintIsPending : 1;
1.407 + unsigned mPrintDocIsFullyLoaded : 1;
1.408 + nsCOMPtr<nsIPrintSettings> mCachedPrintSettings;
1.409 + nsCOMPtr<nsIWebProgressListener> mCachedPrintWebProgressListner;
1.410 +
1.411 + nsRefPtr<nsPrintEngine> mPrintEngine;
1.412 + float mOriginalPrintPreviewScale;
1.413 + float mPrintPreviewZoom;
1.414 + nsAutoPtr<nsPrintEventDispatcher> mBeforeAndAfterPrint;
1.415 +#endif // NS_PRINT_PREVIEW
1.416 +
1.417 +#ifdef DEBUG
1.418 + FILE* mDebugFile;
1.419 +#endif // DEBUG
1.420 +#endif // NS_PRINTING
1.421 +
1.422 + /* character set member data */
1.423 + int32_t mHintCharsetSource;
1.424 + nsCString mHintCharset;
1.425 + nsCString mForceCharacterSet;
1.426 +
1.427 + bool mIsPageMode;
1.428 + bool mCallerIsClosingWindow;
1.429 + bool mInitializedForPrintPreview;
1.430 + bool mHidden;
1.431 +};
1.432 +
1.433 +class nsPrintEventDispatcher
1.434 +{
1.435 +public:
1.436 + nsPrintEventDispatcher(nsIDocument* aTop) : mTop(aTop)
1.437 + {
1.438 + nsDocumentViewer::DispatchBeforePrint(mTop);
1.439 + }
1.440 + ~nsPrintEventDispatcher()
1.441 + {
1.442 + nsDocumentViewer::DispatchAfterPrint(mTop);
1.443 + }
1.444 +
1.445 + nsCOMPtr<nsIDocument> mTop;
1.446 +};
1.447 +
1.448 +class nsDocumentShownDispatcher : public nsRunnable
1.449 +{
1.450 +public:
1.451 + nsDocumentShownDispatcher(nsCOMPtr<nsIDocument> aDocument)
1.452 + : mDocument(aDocument) {}
1.453 +
1.454 + NS_IMETHOD Run() MOZ_OVERRIDE;
1.455 +
1.456 +private:
1.457 + nsCOMPtr<nsIDocument> mDocument;
1.458 +};
1.459 +
1.460 +
1.461 +//------------------------------------------------------------------
1.462 +// nsDocumentViewer
1.463 +//------------------------------------------------------------------
1.464 +
1.465 +//------------------------------------------------------------------
1.466 +already_AddRefed<nsIContentViewer>
1.467 +NS_NewContentViewer()
1.468 +{
1.469 + nsRefPtr<nsDocumentViewer> viewer = new nsDocumentViewer();
1.470 + return viewer.forget();
1.471 +}
1.472 +
1.473 +void nsDocumentViewer::PrepareToStartLoad()
1.474 +{
1.475 + mStopped = false;
1.476 + mLoaded = false;
1.477 + mAttachedToParent = false;
1.478 + mDeferredWindowClose = false;
1.479 + mCallerIsClosingWindow = false;
1.480 +
1.481 +#ifdef NS_PRINTING
1.482 + mPrintIsPending = false;
1.483 + mPrintDocIsFullyLoaded = false;
1.484 + mClosingWhilePrinting = false;
1.485 +
1.486 + // Make sure we have destroyed it and cleared the data member
1.487 + if (mPrintEngine) {
1.488 + mPrintEngine->Destroy();
1.489 + mPrintEngine = nullptr;
1.490 +#ifdef NS_PRINT_PREVIEW
1.491 + SetIsPrintPreview(false);
1.492 +#endif
1.493 + }
1.494 +
1.495 +#ifdef DEBUG
1.496 + mDebugFile = nullptr;
1.497 +#endif
1.498 +
1.499 +#endif // NS_PRINTING
1.500 +}
1.501 +
1.502 +// Note: operator new zeros our memory, so no need to init things to null.
1.503 +nsDocumentViewer::nsDocumentViewer()
1.504 + : mTextZoom(1.0), mPageZoom(1.0), mMinFontSize(0),
1.505 + mIsSticky(true),
1.506 +#ifdef NS_PRINT_PREVIEW
1.507 + mPrintPreviewZoom(1.0),
1.508 +#endif
1.509 + mHintCharsetSource(kCharsetUninitialized),
1.510 + mInitializedForPrintPreview(false),
1.511 + mHidden(false)
1.512 +{
1.513 + PrepareToStartLoad();
1.514 +}
1.515 +
1.516 +NS_IMPL_ADDREF(nsDocumentViewer)
1.517 +NS_IMPL_RELEASE(nsDocumentViewer)
1.518 +
1.519 +NS_INTERFACE_MAP_BEGIN(nsDocumentViewer)
1.520 + NS_INTERFACE_MAP_ENTRY(nsIContentViewer)
1.521 + NS_INTERFACE_MAP_ENTRY(nsIMarkupDocumentViewer)
1.522 + NS_INTERFACE_MAP_ENTRY(nsIContentViewerFile)
1.523 + NS_INTERFACE_MAP_ENTRY(nsIContentViewerEdit)
1.524 + NS_INTERFACE_MAP_ENTRY(nsIDocumentViewerPrint)
1.525 + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentViewer)
1.526 +#ifdef NS_PRINTING
1.527 + NS_INTERFACE_MAP_ENTRY(nsIWebBrowserPrint)
1.528 +#endif
1.529 +NS_INTERFACE_MAP_END
1.530 +
1.531 +nsDocumentViewer::~nsDocumentViewer()
1.532 +{
1.533 + if (mDocument) {
1.534 + Close(nullptr);
1.535 + mDocument->Destroy();
1.536 + }
1.537 +
1.538 + NS_ASSERTION(!mPresShell && !mPresContext,
1.539 + "User did not call nsIContentViewer::Destroy");
1.540 + if (mPresShell || mPresContext) {
1.541 + // Make sure we don't hand out a reference to the content viewer to
1.542 + // the SHEntry!
1.543 + mSHEntry = nullptr;
1.544 +
1.545 + Destroy();
1.546 + }
1.547 +
1.548 + // XXX(?) Revoke pending invalidate events
1.549 +}
1.550 +
1.551 +/*
1.552 + * This method is called by the Document Loader once a document has
1.553 + * been created for a particular data stream... The content viewer
1.554 + * must cache this document for later use when Init(...) is called.
1.555 + *
1.556 + * This method is also called when an out of band document.write() happens.
1.557 + * In that case, the document passed in is the same as the previous document.
1.558 + */
1.559 +/* virtual */ void
1.560 +nsDocumentViewer::LoadStart(nsIDocument* aDocument)
1.561 +{
1.562 + MOZ_ASSERT(aDocument);
1.563 +
1.564 + if (!mDocument) {
1.565 + mDocument = aDocument;
1.566 + }
1.567 +}
1.568 +
1.569 +nsresult
1.570 +nsDocumentViewer::SyncParentSubDocMap()
1.571 +{
1.572 + nsCOMPtr<nsIDocShellTreeItem> item(mContainer);
1.573 + nsCOMPtr<nsPIDOMWindow> pwin(do_GetInterface(item));
1.574 + nsCOMPtr<nsIContent> content;
1.575 +
1.576 + if (mDocument && pwin) {
1.577 + content = do_QueryInterface(pwin->GetFrameElementInternal());
1.578 + }
1.579 +
1.580 + if (content) {
1.581 + nsCOMPtr<nsIDocShellTreeItem> parent;
1.582 + item->GetParent(getter_AddRefs(parent));
1.583 +
1.584 + nsCOMPtr<nsIDOMWindow> parent_win(do_GetInterface(parent));
1.585 +
1.586 + if (parent_win) {
1.587 + nsCOMPtr<nsIDOMDocument> dom_doc;
1.588 + parent_win->GetDocument(getter_AddRefs(dom_doc));
1.589 +
1.590 + nsCOMPtr<nsIDocument> parent_doc(do_QueryInterface(dom_doc));
1.591 +
1.592 + if (parent_doc) {
1.593 + if (mDocument &&
1.594 + parent_doc->GetSubDocumentFor(content) != mDocument) {
1.595 + mDocument->SuppressEventHandling(nsIDocument::eEvents,
1.596 + parent_doc->EventHandlingSuppressed());
1.597 + }
1.598 + return parent_doc->SetSubDocumentFor(content->AsElement(), mDocument);
1.599 + }
1.600 + }
1.601 + }
1.602 +
1.603 + return NS_OK;
1.604 +}
1.605 +
1.606 +NS_IMETHODIMP
1.607 +nsDocumentViewer::SetContainer(nsIDocShell* aContainer)
1.608 +{
1.609 + mContainer = static_cast<nsDocShell*>(aContainer)->asWeakPtr();
1.610 + if (mPresContext) {
1.611 + mPresContext->SetContainer(mContainer);
1.612 + }
1.613 +
1.614 + // We're loading a new document into the window where this document
1.615 + // viewer lives, sync the parent document's frame element -> sub
1.616 + // document map
1.617 +
1.618 + return SyncParentSubDocMap();
1.619 +}
1.620 +
1.621 +NS_IMETHODIMP
1.622 +nsDocumentViewer::GetContainer(nsIDocShell** aResult)
1.623 +{
1.624 + NS_ENSURE_ARG_POINTER(aResult);
1.625 +
1.626 + nsCOMPtr<nsIDocShell> container(mContainer);
1.627 + container.swap(*aResult);
1.628 + return NS_OK;
1.629 +}
1.630 +
1.631 +NS_IMETHODIMP
1.632 +nsDocumentViewer::Init(nsIWidget* aParentWidget,
1.633 + const nsIntRect& aBounds)
1.634 +{
1.635 + return InitInternal(aParentWidget, nullptr, aBounds, true);
1.636 +}
1.637 +
1.638 +nsresult
1.639 +nsDocumentViewer::InitPresentationStuff(bool aDoInitialReflow)
1.640 +{
1.641 + if (GetIsPrintPreview())
1.642 + return NS_OK;
1.643 +
1.644 + NS_ASSERTION(!mPresShell,
1.645 + "Someone should have destroyed the presshell!");
1.646 +
1.647 + // Create the style set...
1.648 + nsStyleSet *styleSet;
1.649 + nsresult rv = CreateStyleSet(mDocument, &styleSet);
1.650 + NS_ENSURE_SUCCESS(rv, rv);
1.651 +
1.652 + // Now make the shell for the document
1.653 + mPresShell = mDocument->CreateShell(mPresContext, mViewManager, styleSet);
1.654 + if (!mPresShell) {
1.655 + delete styleSet;
1.656 + return NS_ERROR_FAILURE;
1.657 + }
1.658 +
1.659 + // We're done creating the style set
1.660 + styleSet->EndUpdate();
1.661 +
1.662 + if (aDoInitialReflow) {
1.663 + // Since Initialize() will create frames for *all* items
1.664 + // that are currently in the document tree, we need to flush
1.665 + // any pending notifications to prevent the content sink from
1.666 + // duplicating layout frames for content it has added to the tree
1.667 + // but hasn't notified the document about. (Bug 154018)
1.668 + //
1.669 + // Note that we are flushing before we add mPresShell as an observer
1.670 + // to avoid bogus notifications.
1.671 +
1.672 + mDocument->FlushPendingNotifications(Flush_ContentAndNotify);
1.673 + }
1.674 +
1.675 + mPresShell->BeginObservingDocument();
1.676 +
1.677 + // Initialize our view manager
1.678 + int32_t p2a = mPresContext->AppUnitsPerDevPixel();
1.679 + MOZ_ASSERT(p2a == mPresContext->DeviceContext()->UnscaledAppUnitsPerDevPixel());
1.680 + nscoord width = p2a * mBounds.width;
1.681 + nscoord height = p2a * mBounds.height;
1.682 +
1.683 + mViewManager->SetWindowDimensions(width, height);
1.684 + mPresContext->SetTextZoom(mTextZoom);
1.685 + mPresContext->SetFullZoom(mPageZoom);
1.686 + mPresContext->SetBaseMinFontSize(mMinFontSize);
1.687 +
1.688 + p2a = mPresContext->AppUnitsPerDevPixel(); // zoom may have changed it
1.689 + width = p2a * mBounds.width;
1.690 + height = p2a * mBounds.height;
1.691 + if (aDoInitialReflow) {
1.692 + nsCOMPtr<nsIPresShell> shellGrip = mPresShell;
1.693 + // Initial reflow
1.694 + mPresShell->Initialize(width, height);
1.695 + } else {
1.696 + // Store the visible area so it's available for other callers of
1.697 + // Initialize, like nsContentSink::StartLayout.
1.698 + mPresContext->SetVisibleArea(nsRect(0, 0, width, height));
1.699 + }
1.700 +
1.701 + // now register ourselves as a selection listener, so that we get
1.702 + // called when the selection changes in the window
1.703 + if (!mSelectionListener) {
1.704 + nsDocViewerSelectionListener *selectionListener =
1.705 + new nsDocViewerSelectionListener();
1.706 +
1.707 + selectionListener->Init(this);
1.708 +
1.709 + // mSelectionListener is a owning reference
1.710 + mSelectionListener = selectionListener;
1.711 + }
1.712 +
1.713 + nsCOMPtr<nsISelection> selection;
1.714 + rv = GetDocumentSelection(getter_AddRefs(selection));
1.715 + NS_ENSURE_SUCCESS(rv, rv);
1.716 +
1.717 + nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(selection));
1.718 + rv = selPrivate->AddSelectionListener(mSelectionListener);
1.719 + if (NS_FAILED(rv))
1.720 + return rv;
1.721 +
1.722 + // Save old listener so we can unregister it
1.723 + nsRefPtr<nsDocViewerFocusListener> oldFocusListener = mFocusListener;
1.724 +
1.725 + // focus listener
1.726 + //
1.727 + // now register ourselves as a focus listener, so that we get called
1.728 + // when the focus changes in the window
1.729 + nsDocViewerFocusListener *focusListener = new nsDocViewerFocusListener();
1.730 +
1.731 + focusListener->Init(this);
1.732 +
1.733 + // mFocusListener is a strong reference
1.734 + mFocusListener = focusListener;
1.735 +
1.736 + if (mDocument) {
1.737 + mDocument->AddEventListener(NS_LITERAL_STRING("focus"),
1.738 + mFocusListener,
1.739 + false, false);
1.740 + mDocument->AddEventListener(NS_LITERAL_STRING("blur"),
1.741 + mFocusListener,
1.742 + false, false);
1.743 +
1.744 + if (oldFocusListener) {
1.745 + mDocument->RemoveEventListener(NS_LITERAL_STRING("focus"),
1.746 + oldFocusListener, false);
1.747 + mDocument->RemoveEventListener(NS_LITERAL_STRING("blur"),
1.748 + oldFocusListener, false);
1.749 + }
1.750 + }
1.751 +
1.752 + if (aDoInitialReflow && mDocument) {
1.753 + mDocument->ScrollToRef();
1.754 + }
1.755 +
1.756 + return NS_OK;
1.757 +}
1.758 +
1.759 +static nsPresContext*
1.760 +CreatePresContext(nsIDocument* aDocument,
1.761 + nsPresContext::nsPresContextType aType,
1.762 + nsView* aContainerView)
1.763 +{
1.764 + if (aContainerView)
1.765 + return new nsPresContext(aDocument, aType);
1.766 + return new nsRootPresContext(aDocument, aType);
1.767 +}
1.768 +
1.769 +//-----------------------------------------------
1.770 +// This method can be used to initial the "presentation"
1.771 +// The aDoCreation indicates whether it should create
1.772 +// all the new objects or just initialize the existing ones
1.773 +nsresult
1.774 +nsDocumentViewer::InitInternal(nsIWidget* aParentWidget,
1.775 + nsISupports *aState,
1.776 + const nsIntRect& aBounds,
1.777 + bool aDoCreation,
1.778 + bool aNeedMakeCX /*= true*/,
1.779 + bool aForceSetNewDocument /* = true*/)
1.780 +{
1.781 + if (mIsPageMode) {
1.782 + // XXXbz should the InitInternal in SetPageMode just pass false
1.783 + // here itself?
1.784 + aForceSetNewDocument = false;
1.785 + }
1.786 +
1.787 + // We don't want any scripts to run here. That can cause flushing,
1.788 + // which can cause reentry into initialization of this document viewer,
1.789 + // which would be disastrous.
1.790 + nsAutoScriptBlocker blockScripts;
1.791 +
1.792 + mParentWidget = aParentWidget; // not ref counted
1.793 + mBounds = aBounds;
1.794 +
1.795 + nsresult rv = NS_OK;
1.796 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NULL_POINTER);
1.797 +
1.798 + nsView* containerView = FindContainerView();
1.799 +
1.800 + bool makeCX = false;
1.801 + if (aDoCreation) {
1.802 + nsresult rv = CreateDeviceContext(containerView);
1.803 + NS_ENSURE_SUCCESS(rv, rv);
1.804 +
1.805 + // XXXbz this is a nasty hack to do with the fact that we create
1.806 + // presentations both in Init() and in Show()... Ideally we would only do
1.807 + // it in one place (Show()) and require that callers call init(), open(),
1.808 + // show() in that order or something.
1.809 + if (!mPresContext &&
1.810 + (aParentWidget || containerView || mDocument->IsBeingUsedAsImage() ||
1.811 + (mDocument->GetDisplayDocument() &&
1.812 + mDocument->GetDisplayDocument()->GetShell()))) {
1.813 + // Create presentation context
1.814 + if (mIsPageMode) {
1.815 + //Presentation context already created in SetPageMode which is calling this method
1.816 + } else {
1.817 + mPresContext = CreatePresContext(mDocument,
1.818 + nsPresContext::eContext_Galley, containerView);
1.819 + }
1.820 + NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
1.821 +
1.822 + nsresult rv = mPresContext->Init(mDeviceContext);
1.823 + if (NS_FAILED(rv)) {
1.824 + mPresContext = nullptr;
1.825 + return rv;
1.826 + }
1.827 +
1.828 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.829 + makeCX = !GetIsPrintPreview() && aNeedMakeCX; // needs to be true except when we are already in PP or we are enabling/disabling paginated mode.
1.830 +#else
1.831 + makeCX = true;
1.832 +#endif
1.833 + }
1.834 +
1.835 + if (mPresContext) {
1.836 + // Create the ViewManager and Root View...
1.837 +
1.838 + // We must do this before we tell the script global object about
1.839 + // this new document since doing that will cause us to re-enter
1.840 + // into nsSubDocumentFrame code through reflows caused by
1.841 + // FlushPendingNotifications() calls down the road...
1.842 +
1.843 + rv = MakeWindow(nsSize(mPresContext->DevPixelsToAppUnits(aBounds.width),
1.844 + mPresContext->DevPixelsToAppUnits(aBounds.height)),
1.845 + containerView);
1.846 + NS_ENSURE_SUCCESS(rv, rv);
1.847 + Hide();
1.848 +
1.849 +#ifdef NS_PRINT_PREVIEW
1.850 + if (mIsPageMode) {
1.851 + // I'm leaving this in a broken state for the moment; we should
1.852 + // be measuring/scaling with the print device context, not the
1.853 + // screen device context, but this is good enough to allow
1.854 + // printing reftests to work.
1.855 + double pageWidth = 0, pageHeight = 0;
1.856 + mPresContext->GetPrintSettings()->GetEffectivePageSize(&pageWidth,
1.857 + &pageHeight);
1.858 + mPresContext->SetPageSize(
1.859 + nsSize(mPresContext->CSSTwipsToAppUnits(NSToIntFloor(pageWidth)),
1.860 + mPresContext->CSSTwipsToAppUnits(NSToIntFloor(pageHeight))));
1.861 + mPresContext->SetIsRootPaginatedDocument(true);
1.862 + mPresContext->SetPageScale(1.0f);
1.863 + }
1.864 +#endif
1.865 + } else {
1.866 + // Avoid leaking the old viewer.
1.867 + if (mPreviousViewer) {
1.868 + mPreviousViewer->Destroy();
1.869 + mPreviousViewer = nullptr;
1.870 + }
1.871 + }
1.872 + }
1.873 +
1.874 + nsCOMPtr<nsIInterfaceRequestor> requestor(mContainer);
1.875 + if (requestor) {
1.876 + if (mPresContext) {
1.877 + nsCOMPtr<nsILinkHandler> linkHandler;
1.878 + requestor->GetInterface(NS_GET_IID(nsILinkHandler),
1.879 + getter_AddRefs(linkHandler));
1.880 +
1.881 + mPresContext->SetContainer(mContainer);
1.882 + mPresContext->SetLinkHandler(linkHandler);
1.883 + }
1.884 +
1.885 + // Set script-context-owner in the document
1.886 +
1.887 + nsCOMPtr<nsPIDOMWindow> window;
1.888 + requestor->GetInterface(NS_GET_IID(nsPIDOMWindow),
1.889 + getter_AddRefs(window));
1.890 +
1.891 + if (window) {
1.892 + nsCOMPtr<nsIDocument> curDoc = window->GetExtantDoc();
1.893 + if (aForceSetNewDocument || curDoc != mDocument) {
1.894 + window->SetNewDocument(mDocument, aState, false);
1.895 + nsJSContext::LoadStart();
1.896 + }
1.897 + }
1.898 + }
1.899 +
1.900 + if (aDoCreation && mPresContext) {
1.901 + // The ViewManager and Root View was created above (in
1.902 + // MakeWindow())...
1.903 +
1.904 + rv = InitPresentationStuff(!makeCX);
1.905 + }
1.906 +
1.907 + return rv;
1.908 +}
1.909 +
1.910 +void nsDocumentViewer::SetNavigationTiming(nsDOMNavigationTiming* timing)
1.911 +{
1.912 + NS_ASSERTION(mDocument, "Must have a document to set navigation timing.");
1.913 + if (mDocument) {
1.914 + mDocument->SetNavigationTiming(timing);
1.915 + }
1.916 +}
1.917 +
1.918 +//
1.919 +// LoadComplete(aStatus)
1.920 +//
1.921 +// aStatus - The status returned from loading the document.
1.922 +//
1.923 +// This method is called by the container when the document has been
1.924 +// completely loaded.
1.925 +//
1.926 +NS_IMETHODIMP
1.927 +nsDocumentViewer::LoadComplete(nsresult aStatus)
1.928 +{
1.929 + /* We need to protect ourself against auto-destruction in case the
1.930 + window is closed while processing the OnLoad event. See bug
1.931 + http://bugzilla.mozilla.org/show_bug.cgi?id=78445 for more
1.932 + explanation.
1.933 + */
1.934 + nsRefPtr<nsDocumentViewer> kungFuDeathGrip(this);
1.935 +
1.936 + // Flush out layout so it's up-to-date by the time onload is called.
1.937 + // Note that this could destroy the window, so do this before
1.938 + // checking for our mDocument and its window.
1.939 + if (mPresShell && !mStopped) {
1.940 + // Hold strong ref because this could conceivably run script
1.941 + nsCOMPtr<nsIPresShell> shell = mPresShell;
1.942 + shell->FlushPendingNotifications(Flush_Layout);
1.943 + }
1.944 +
1.945 + nsresult rv = NS_OK;
1.946 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.947 +
1.948 + // First, get the window from the document...
1.949 + nsCOMPtr<nsPIDOMWindow> window = mDocument->GetWindow();
1.950 +
1.951 + mLoaded = true;
1.952 +
1.953 + // Now, fire either an OnLoad or OnError event to the document...
1.954 + bool restoring = false;
1.955 + // XXXbz imagelib kills off the document load for a full-page image with
1.956 + // NS_ERROR_PARSED_DATA_CACHED if it's in the cache. So we want to treat
1.957 + // that one as a success code; otherwise whether we fire onload for the image
1.958 + // will depend on whether it's cached!
1.959 + if(window &&
1.960 + (NS_SUCCEEDED(aStatus) || aStatus == NS_ERROR_PARSED_DATA_CACHED)) {
1.961 + nsEventStatus status = nsEventStatus_eIgnore;
1.962 + WidgetEvent event(true, NS_LOAD);
1.963 + event.mFlags.mBubbles = false;
1.964 + // XXX Dispatching to |window|, but using |document| as the target.
1.965 + event.target = mDocument;
1.966 +
1.967 + // If the document presentation is being restored, we don't want to fire
1.968 + // onload to the document content since that would likely confuse scripts
1.969 + // on the page.
1.970 +
1.971 + nsIDocShell *docShell = window->GetDocShell();
1.972 + NS_ENSURE_TRUE(docShell, NS_ERROR_UNEXPECTED);
1.973 +
1.974 + docShell->GetRestoringDocument(&restoring);
1.975 + if (!restoring) {
1.976 + NS_ASSERTION(mDocument->IsXUL() || // readyState for XUL is bogus
1.977 + mDocument->GetReadyStateEnum() ==
1.978 + nsIDocument::READYSTATE_INTERACTIVE ||
1.979 + // test_stricttransportsecurity.html has old-style
1.980 + // docshell-generated about:blank docs reach this code!
1.981 + (mDocument->GetReadyStateEnum() ==
1.982 + nsIDocument::READYSTATE_UNINITIALIZED &&
1.983 + NS_IsAboutBlank(mDocument->GetDocumentURI())),
1.984 + "Bad readystate");
1.985 + nsCOMPtr<nsIDocument> d = mDocument;
1.986 + mDocument->SetReadyStateInternal(nsIDocument::READYSTATE_COMPLETE);
1.987 +
1.988 + nsRefPtr<nsDOMNavigationTiming> timing(d->GetNavigationTiming());
1.989 + if (timing) {
1.990 + timing->NotifyLoadEventStart();
1.991 + }
1.992 +
1.993 + // Dispatch observer notification to notify observers document load is complete.
1.994 + nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
1.995 + nsIPrincipal *principal = d->NodePrincipal();
1.996 + os->NotifyObservers(d,
1.997 + nsContentUtils::IsSystemPrincipal(principal) ?
1.998 + "chrome-document-loaded" :
1.999 + "content-document-loaded",
1.1000 + nullptr);
1.1001 +
1.1002 + EventDispatcher::Dispatch(window, mPresContext, &event, nullptr, &status);
1.1003 + if (timing) {
1.1004 + timing->NotifyLoadEventEnd();
1.1005 + }
1.1006 + }
1.1007 + } else {
1.1008 + // XXX: Should fire error event to the document...
1.1009 + }
1.1010 +
1.1011 + // Notify the document that it has been shown (regardless of whether
1.1012 + // it was just loaded). Note: mDocument may be null now if the above
1.1013 + // firing of onload caused the document to unload.
1.1014 + if (mDocument) {
1.1015 + // Re-get window, since it might have changed during above firing of onload
1.1016 + window = mDocument->GetWindow();
1.1017 + if (window) {
1.1018 + nsIDocShell *docShell = window->GetDocShell();
1.1019 + bool isInUnload;
1.1020 + if (docShell && NS_SUCCEEDED(docShell->GetIsInUnload(&isInUnload)) &&
1.1021 + !isInUnload) {
1.1022 + mDocument->OnPageShow(restoring, nullptr);
1.1023 + }
1.1024 + }
1.1025 + }
1.1026 +
1.1027 + if (!mStopped) {
1.1028 + if (mDocument) {
1.1029 + mDocument->ScrollToRef();
1.1030 + }
1.1031 +
1.1032 + // Now that the document has loaded, we can tell the presshell
1.1033 + // to unsuppress painting.
1.1034 + if (mPresShell) {
1.1035 + nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell);
1.1036 + mPresShell->UnsuppressPainting();
1.1037 + // mPresShell could have been removed now, see bug 378682/421432
1.1038 + if (mPresShell) {
1.1039 + mPresShell->LoadComplete();
1.1040 + }
1.1041 + }
1.1042 + }
1.1043 +
1.1044 + nsJSContext::LoadEnd();
1.1045 +
1.1046 +#ifdef NS_PRINTING
1.1047 + // Check to see if someone tried to print during the load
1.1048 + if (mPrintIsPending) {
1.1049 + mPrintIsPending = false;
1.1050 + mPrintDocIsFullyLoaded = true;
1.1051 + Print(mCachedPrintSettings, mCachedPrintWebProgressListner);
1.1052 + mCachedPrintSettings = nullptr;
1.1053 + mCachedPrintWebProgressListner = nullptr;
1.1054 + }
1.1055 +#endif
1.1056 +
1.1057 + return rv;
1.1058 +}
1.1059 +
1.1060 +NS_IMETHODIMP
1.1061 +nsDocumentViewer::PermitUnload(bool aCallerClosesWindow,
1.1062 + bool *aPermitUnload)
1.1063 +{
1.1064 + bool shouldPrompt = true;
1.1065 + return PermitUnloadInternal(aCallerClosesWindow, &shouldPrompt,
1.1066 + aPermitUnload);
1.1067 +}
1.1068 +
1.1069 +
1.1070 +nsresult
1.1071 +nsDocumentViewer::PermitUnloadInternal(bool aCallerClosesWindow,
1.1072 + bool *aShouldPrompt,
1.1073 + bool *aPermitUnload)
1.1074 +{
1.1075 + AutoDontWarnAboutSyncXHR disableSyncXHRWarning;
1.1076 +
1.1077 + *aPermitUnload = true;
1.1078 +
1.1079 + if (!mDocument
1.1080 + || mInPermitUnload
1.1081 + || mCallerIsClosingWindow
1.1082 + || mInPermitUnloadPrompt) {
1.1083 + return NS_OK;
1.1084 + }
1.1085 +
1.1086 + static bool sIsBeforeUnloadDisabled;
1.1087 + static bool sBeforeUnloadPrefCached = false;
1.1088 +
1.1089 + if (!sBeforeUnloadPrefCached ) {
1.1090 + sBeforeUnloadPrefCached = true;
1.1091 + Preferences::AddBoolVarCache(&sIsBeforeUnloadDisabled,
1.1092 + BEFOREUNLOAD_DISABLED_PREFNAME);
1.1093 + }
1.1094 +
1.1095 + // If the user has turned off onbeforeunload warnings, no need to check.
1.1096 + if (sIsBeforeUnloadDisabled) {
1.1097 + return NS_OK;
1.1098 + }
1.1099 +
1.1100 + // First, get the script global object from the document...
1.1101 + nsPIDOMWindow *window = mDocument->GetWindow();
1.1102 +
1.1103 + if (!window) {
1.1104 + // This is odd, but not fatal
1.1105 + NS_WARNING("window not set for document!");
1.1106 + return NS_OK;
1.1107 + }
1.1108 +
1.1109 + NS_ASSERTION(nsContentUtils::IsSafeToRunScript(), "This is unsafe");
1.1110 +
1.1111 + // Now, fire an BeforeUnload event to the document and see if it's ok
1.1112 + // to unload...
1.1113 + nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(mDocument);
1.1114 + nsCOMPtr<nsIDOMEvent> event;
1.1115 + domDoc->CreateEvent(NS_LITERAL_STRING("beforeunloadevent"),
1.1116 + getter_AddRefs(event));
1.1117 + nsCOMPtr<nsIDOMBeforeUnloadEvent> beforeUnload = do_QueryInterface(event);
1.1118 + NS_ENSURE_STATE(beforeUnload);
1.1119 + nsresult rv = event->InitEvent(NS_LITERAL_STRING("beforeunload"),
1.1120 + false, true);
1.1121 + NS_ENSURE_SUCCESS(rv, rv);
1.1122 +
1.1123 + // Dispatching to |window|, but using |document| as the target.
1.1124 + event->SetTarget(mDocument);
1.1125 + event->SetTrusted(true);
1.1126 +
1.1127 + // In evil cases we might be destroyed while handling the
1.1128 + // onbeforeunload event, don't let that happen. (see also bug#331040)
1.1129 + nsRefPtr<nsDocumentViewer> kungFuDeathGrip(this);
1.1130 +
1.1131 + {
1.1132 + // Never permit popups from the beforeunload handler, no matter
1.1133 + // how we get here.
1.1134 + nsAutoPopupStatePusher popupStatePusher(openAbused, true);
1.1135 +
1.1136 + // Never permit dialogs from the beforeunload handler
1.1137 + nsCOMPtr<nsIDOMWindowUtils> utils = do_GetInterface(window);
1.1138 + bool dialogsWereEnabled = false;
1.1139 + utils->AreDialogsEnabled(&dialogsWereEnabled);
1.1140 + utils->DisableDialogs();
1.1141 +
1.1142 + mInPermitUnload = true;
1.1143 + EventDispatcher::DispatchDOMEvent(window, nullptr, event, mPresContext,
1.1144 + nullptr);
1.1145 + mInPermitUnload = false;
1.1146 + if (dialogsWereEnabled) {
1.1147 + utils->EnableDialogs();
1.1148 + }
1.1149 + }
1.1150 +
1.1151 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.1152 + nsAutoString text;
1.1153 + beforeUnload->GetReturnValue(text);
1.1154 + if (*aShouldPrompt && (event->GetInternalNSEvent()->mFlags.mDefaultPrevented ||
1.1155 + !text.IsEmpty())) {
1.1156 + // Ask the user if it's ok to unload the current page
1.1157 +
1.1158 + nsCOMPtr<nsIPrompt> prompt = do_GetInterface(docShell);
1.1159 +
1.1160 + if (prompt) {
1.1161 + nsCOMPtr<nsIWritablePropertyBag2> promptBag = do_QueryInterface(prompt);
1.1162 + if (promptBag) {
1.1163 + bool isTabModalPromptAllowed;
1.1164 + GetIsTabModalPromptAllowed(&isTabModalPromptAllowed);
1.1165 + promptBag->SetPropertyAsBool(NS_LITERAL_STRING("allowTabModal"),
1.1166 + isTabModalPromptAllowed);
1.1167 + }
1.1168 +
1.1169 + nsXPIDLString title, message, stayLabel, leaveLabel;
1.1170 + rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
1.1171 + "OnBeforeUnloadTitle",
1.1172 + title);
1.1173 + nsresult tmp = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
1.1174 + "OnBeforeUnloadMessage",
1.1175 + message);
1.1176 + if (NS_FAILED(tmp)) {
1.1177 + rv = tmp;
1.1178 + }
1.1179 + tmp = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
1.1180 + "OnBeforeUnloadLeaveButton",
1.1181 + leaveLabel);
1.1182 + if (NS_FAILED(tmp)) {
1.1183 + rv = tmp;
1.1184 + }
1.1185 + tmp = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,
1.1186 + "OnBeforeUnloadStayButton",
1.1187 + stayLabel);
1.1188 + if (NS_FAILED(tmp)) {
1.1189 + rv = tmp;
1.1190 + }
1.1191 +
1.1192 + if (NS_FAILED(rv) || !title || !message || !stayLabel || !leaveLabel) {
1.1193 + NS_ERROR("Failed to get strings from dom.properties!");
1.1194 + return NS_OK;
1.1195 + }
1.1196 +
1.1197 + // Although the exact value is ignored, we must not pass invalid
1.1198 + // bool values through XPConnect.
1.1199 + bool dummy = false;
1.1200 + int32_t buttonPressed = 0;
1.1201 + uint32_t buttonFlags = (nsIPrompt::BUTTON_POS_0_DEFAULT |
1.1202 + (nsIPrompt::BUTTON_TITLE_IS_STRING * nsIPrompt::BUTTON_POS_0) |
1.1203 + (nsIPrompt::BUTTON_TITLE_IS_STRING * nsIPrompt::BUTTON_POS_1));
1.1204 +
1.1205 + nsAutoSyncOperation sync(mDocument);
1.1206 + mInPermitUnloadPrompt = true;
1.1207 + rv = prompt->ConfirmEx(title, message, buttonFlags,
1.1208 + leaveLabel, stayLabel, nullptr, nullptr,
1.1209 + &dummy, &buttonPressed);
1.1210 + mInPermitUnloadPrompt = false;
1.1211 +
1.1212 + // If the prompt aborted, we tell our consumer that it is not allowed
1.1213 + // to unload the page. One reason that prompts abort is that the user
1.1214 + // performed some action that caused the page to unload while our prompt
1.1215 + // was active. In those cases we don't want our consumer to also unload
1.1216 + // the page.
1.1217 + //
1.1218 + // XXX: Are there other cases where prompts can abort? Is it ok to
1.1219 + // prevent unloading the page in those cases?
1.1220 + if (NS_FAILED(rv)) {
1.1221 + *aPermitUnload = false;
1.1222 + return NS_OK;
1.1223 + }
1.1224 +
1.1225 + // Button 0 == leave, button 1 == stay
1.1226 + *aPermitUnload = (buttonPressed == 0);
1.1227 + // If the user decided to go ahead, make sure not to prompt the user again
1.1228 + // by toggling the internal prompting bool to false:
1.1229 + if (*aPermitUnload) {
1.1230 + *aShouldPrompt = false;
1.1231 + }
1.1232 + }
1.1233 + }
1.1234 +
1.1235 + if (docShell) {
1.1236 + int32_t childCount;
1.1237 + docShell->GetChildCount(&childCount);
1.1238 +
1.1239 + for (int32_t i = 0; i < childCount && *aPermitUnload; ++i) {
1.1240 + nsCOMPtr<nsIDocShellTreeItem> item;
1.1241 + docShell->GetChildAt(i, getter_AddRefs(item));
1.1242 +
1.1243 + nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(item));
1.1244 +
1.1245 + if (docShell) {
1.1246 + nsCOMPtr<nsIContentViewer> cv;
1.1247 + docShell->GetContentViewer(getter_AddRefs(cv));
1.1248 +
1.1249 + if (cv) {
1.1250 + cv->PermitUnloadInternal(aCallerClosesWindow, aShouldPrompt,
1.1251 + aPermitUnload);
1.1252 + }
1.1253 + }
1.1254 + }
1.1255 + }
1.1256 +
1.1257 + if (aCallerClosesWindow && *aPermitUnload)
1.1258 + mCallerIsClosingWindow = true;
1.1259 +
1.1260 + return NS_OK;
1.1261 +}
1.1262 +
1.1263 +NS_IMETHODIMP
1.1264 +nsDocumentViewer::GetBeforeUnloadFiring(bool* aInEvent)
1.1265 +{
1.1266 + *aInEvent = mInPermitUnload;
1.1267 + return NS_OK;
1.1268 +}
1.1269 +
1.1270 +NS_IMETHODIMP
1.1271 +nsDocumentViewer::GetInPermitUnload(bool* aInEvent)
1.1272 +{
1.1273 + *aInEvent = mInPermitUnloadPrompt;
1.1274 + return NS_OK;
1.1275 +}
1.1276 +
1.1277 +NS_IMETHODIMP
1.1278 +nsDocumentViewer::ResetCloseWindow()
1.1279 +{
1.1280 + mCallerIsClosingWindow = false;
1.1281 +
1.1282 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.1283 + if (docShell) {
1.1284 + int32_t childCount;
1.1285 + docShell->GetChildCount(&childCount);
1.1286 +
1.1287 + for (int32_t i = 0; i < childCount; ++i) {
1.1288 + nsCOMPtr<nsIDocShellTreeItem> item;
1.1289 + docShell->GetChildAt(i, getter_AddRefs(item));
1.1290 +
1.1291 + nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(item));
1.1292 +
1.1293 + if (docShell) {
1.1294 + nsCOMPtr<nsIContentViewer> cv;
1.1295 + docShell->GetContentViewer(getter_AddRefs(cv));
1.1296 +
1.1297 + if (cv) {
1.1298 + cv->ResetCloseWindow();
1.1299 + }
1.1300 + }
1.1301 + }
1.1302 + }
1.1303 + return NS_OK;
1.1304 +}
1.1305 +
1.1306 +NS_IMETHODIMP
1.1307 +nsDocumentViewer::PageHide(bool aIsUnload)
1.1308 +{
1.1309 + AutoDontWarnAboutSyncXHR disableSyncXHRWarning;
1.1310 +
1.1311 + mHidden = true;
1.1312 +
1.1313 + if (!mDocument) {
1.1314 + return NS_ERROR_NULL_POINTER;
1.1315 + }
1.1316 +
1.1317 + mDocument->OnPageHide(!aIsUnload, nullptr);
1.1318 +
1.1319 + // inform the window so that the focus state is reset.
1.1320 + NS_ENSURE_STATE(mDocument);
1.1321 + nsPIDOMWindow *window = mDocument->GetWindow();
1.1322 + if (window)
1.1323 + window->PageHidden();
1.1324 +
1.1325 + if (aIsUnload) {
1.1326 + // Poke the GC. The window might be collectable garbage now.
1.1327 + nsJSContext::PokeGC(JS::gcreason::PAGE_HIDE, NS_GC_DELAY * 2);
1.1328 +
1.1329 + // if Destroy() was called during OnPageHide(), mDocument is nullptr.
1.1330 + NS_ENSURE_STATE(mDocument);
1.1331 +
1.1332 + // First, get the window from the document...
1.1333 + nsPIDOMWindow *window = mDocument->GetWindow();
1.1334 +
1.1335 + if (!window) {
1.1336 + // Fail if no window is available...
1.1337 + NS_WARNING("window not set for document!");
1.1338 + return NS_ERROR_NULL_POINTER;
1.1339 + }
1.1340 +
1.1341 + // Now, fire an Unload event to the document...
1.1342 + nsEventStatus status = nsEventStatus_eIgnore;
1.1343 + WidgetEvent event(true, NS_PAGE_UNLOAD);
1.1344 + event.mFlags.mBubbles = false;
1.1345 + // XXX Dispatching to |window|, but using |document| as the target.
1.1346 + event.target = mDocument;
1.1347 +
1.1348 + // Never permit popups from the unload handler, no matter how we get
1.1349 + // here.
1.1350 + nsAutoPopupStatePusher popupStatePusher(openAbused, true);
1.1351 +
1.1352 + EventDispatcher::Dispatch(window, mPresContext, &event, nullptr, &status);
1.1353 + }
1.1354 +
1.1355 +#ifdef MOZ_XUL
1.1356 + // look for open menupopups and close them after the unload event, in case
1.1357 + // the unload event listeners open any new popups
1.1358 + nsContentUtils::HidePopupsInDocument(mDocument);
1.1359 +#endif
1.1360 +
1.1361 + return NS_OK;
1.1362 +}
1.1363 +
1.1364 +static void
1.1365 +AttachContainerRecurse(nsIDocShell* aShell)
1.1366 +{
1.1367 + nsCOMPtr<nsIContentViewer> viewer;
1.1368 + aShell->GetContentViewer(getter_AddRefs(viewer));
1.1369 + if (viewer) {
1.1370 + nsIDocument* doc = viewer->GetDocument();
1.1371 + if (doc) {
1.1372 + doc->SetContainer(static_cast<nsDocShell*>(aShell));
1.1373 + }
1.1374 + nsRefPtr<nsPresContext> pc;
1.1375 + viewer->GetPresContext(getter_AddRefs(pc));
1.1376 + if (pc) {
1.1377 + pc->SetContainer(static_cast<nsDocShell*>(aShell));
1.1378 + pc->SetLinkHandler(nsCOMPtr<nsILinkHandler>(do_QueryInterface(aShell)));
1.1379 + }
1.1380 + nsCOMPtr<nsIPresShell> presShell;
1.1381 + viewer->GetPresShell(getter_AddRefs(presShell));
1.1382 + if (presShell) {
1.1383 + presShell->SetForwardingContainer(WeakPtr<nsDocShell>());
1.1384 + }
1.1385 + }
1.1386 +
1.1387 + // Now recurse through the children
1.1388 + int32_t childCount;
1.1389 + aShell->GetChildCount(&childCount);
1.1390 + for (int32_t i = 0; i < childCount; ++i) {
1.1391 + nsCOMPtr<nsIDocShellTreeItem> childItem;
1.1392 + aShell->GetChildAt(i, getter_AddRefs(childItem));
1.1393 + AttachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(childItem)));
1.1394 + }
1.1395 +}
1.1396 +
1.1397 +NS_IMETHODIMP
1.1398 +nsDocumentViewer::Open(nsISupports *aState, nsISHEntry *aSHEntry)
1.1399 +{
1.1400 + NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
1.1401 +
1.1402 + if (mDocument)
1.1403 + mDocument->SetContainer(mContainer);
1.1404 +
1.1405 + nsresult rv = InitInternal(mParentWidget, aState, mBounds, false);
1.1406 + NS_ENSURE_SUCCESS(rv, rv);
1.1407 +
1.1408 + mHidden = false;
1.1409 +
1.1410 + if (mPresShell)
1.1411 + mPresShell->SetForwardingContainer(WeakPtr<nsDocShell>());
1.1412 +
1.1413 + // Rehook the child presentations. The child shells are still in
1.1414 + // session history, so get them from there.
1.1415 +
1.1416 + if (aSHEntry) {
1.1417 + nsCOMPtr<nsIDocShellTreeItem> item;
1.1418 + int32_t itemIndex = 0;
1.1419 + while (NS_SUCCEEDED(aSHEntry->ChildShellAt(itemIndex++,
1.1420 + getter_AddRefs(item))) && item) {
1.1421 + AttachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(item)));
1.1422 + }
1.1423 + }
1.1424 +
1.1425 + SyncParentSubDocMap();
1.1426 +
1.1427 + if (mFocusListener && mDocument) {
1.1428 + mDocument->AddEventListener(NS_LITERAL_STRING("focus"), mFocusListener,
1.1429 + false, false);
1.1430 + mDocument->AddEventListener(NS_LITERAL_STRING("blur"), mFocusListener,
1.1431 + false, false);
1.1432 + }
1.1433 +
1.1434 + // XXX re-enable image animations once that works correctly
1.1435 +
1.1436 + PrepareToStartLoad();
1.1437 +
1.1438 + // When loading a page from the bfcache with puppet widgets, we do the
1.1439 + // widget attachment here (it is otherwise done in MakeWindow, which is
1.1440 + // called for non-bfcache pages in the history, but not bfcache pages).
1.1441 + // Attachment is necessary, since we get detached when another page
1.1442 + // is browsed to. That is, if we are one page A, then when we go to
1.1443 + // page B, we detach. So page A's view has no widget. If we then go
1.1444 + // back to it, and it is in the bfcache, we will use that view, which
1.1445 + // doesn't have a widget. The attach call here will properly attach us.
1.1446 + if (nsIWidget::UsePuppetWidgets() && mPresContext &&
1.1447 + ShouldAttachToTopLevel()) {
1.1448 + // If the old view is already attached to our parent, detach
1.1449 + DetachFromTopLevelWidget();
1.1450 +
1.1451 + nsViewManager *vm = GetViewManager();
1.1452 + NS_ABORT_IF_FALSE(vm, "no view manager");
1.1453 + nsView* v = vm->GetRootView();
1.1454 + NS_ABORT_IF_FALSE(v, "no root view");
1.1455 + NS_ABORT_IF_FALSE(mParentWidget, "no mParentWidget to set");
1.1456 + v->AttachToTopLevelWidget(mParentWidget);
1.1457 +
1.1458 + mAttachedToParent = true;
1.1459 + }
1.1460 +
1.1461 + return NS_OK;
1.1462 +}
1.1463 +
1.1464 +NS_IMETHODIMP
1.1465 +nsDocumentViewer::Close(nsISHEntry *aSHEntry)
1.1466 +{
1.1467 + // All callers are supposed to call close to break circular
1.1468 + // references. If we do this stuff in the destructor, the
1.1469 + // destructor might never be called (especially if we're being
1.1470 + // used from JS.
1.1471 +
1.1472 + mSHEntry = aSHEntry;
1.1473 +
1.1474 + // Close is also needed to disable scripts during paint suppression,
1.1475 + // since we transfer the existing global object to the new document
1.1476 + // that is loaded. In the future, the global object may become a proxy
1.1477 + // for an object that can be switched in and out so that we don't need
1.1478 + // to disable scripts during paint suppression.
1.1479 +
1.1480 + if (!mDocument)
1.1481 + return NS_OK;
1.1482 +
1.1483 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.1484 + // Turn scripting back on
1.1485 + // after PrintPreview had turned it off
1.1486 + if (GetIsPrintPreview() && mPrintEngine) {
1.1487 + mPrintEngine->TurnScriptingOn(true);
1.1488 + }
1.1489 +#endif
1.1490 +
1.1491 +#ifdef NS_PRINTING
1.1492 + // A Close was called while we were printing
1.1493 + // so don't clear the ScriptGlobalObject
1.1494 + // or clear the mDocument below
1.1495 + if (mPrintEngine && !mClosingWhilePrinting) {
1.1496 + mClosingWhilePrinting = true;
1.1497 + } else
1.1498 +#endif
1.1499 + {
1.1500 + // out of band cleanup of docshell
1.1501 + mDocument->SetScriptGlobalObject(nullptr);
1.1502 +
1.1503 + if (!mSHEntry && mDocument)
1.1504 + mDocument->RemovedFromDocShell();
1.1505 + }
1.1506 +
1.1507 + if (mFocusListener && mDocument) {
1.1508 + mDocument->RemoveEventListener(NS_LITERAL_STRING("focus"), mFocusListener,
1.1509 + false);
1.1510 + mDocument->RemoveEventListener(NS_LITERAL_STRING("blur"), mFocusListener,
1.1511 + false);
1.1512 + }
1.1513 +
1.1514 + return NS_OK;
1.1515 +}
1.1516 +
1.1517 +static void
1.1518 +DetachContainerRecurse(nsIDocShell *aShell)
1.1519 +{
1.1520 + // Unhook this docshell's presentation
1.1521 + nsCOMPtr<nsIContentViewer> viewer;
1.1522 + aShell->GetContentViewer(getter_AddRefs(viewer));
1.1523 + if (viewer) {
1.1524 + nsIDocument* doc = viewer->GetDocument();
1.1525 + if (doc) {
1.1526 + doc->SetContainer(nullptr);
1.1527 + }
1.1528 + nsRefPtr<nsPresContext> pc;
1.1529 + viewer->GetPresContext(getter_AddRefs(pc));
1.1530 + if (pc) {
1.1531 + pc->Detach();
1.1532 + }
1.1533 + nsCOMPtr<nsIPresShell> presShell;
1.1534 + viewer->GetPresShell(getter_AddRefs(presShell));
1.1535 + if (presShell) {
1.1536 + auto weakShell = static_cast<nsDocShell*>(aShell)->asWeakPtr();
1.1537 + presShell->SetForwardingContainer(weakShell);
1.1538 + }
1.1539 + }
1.1540 +
1.1541 + // Now recurse through the children
1.1542 + int32_t childCount;
1.1543 + aShell->GetChildCount(&childCount);
1.1544 + for (int32_t i = 0; i < childCount; ++i) {
1.1545 + nsCOMPtr<nsIDocShellTreeItem> childItem;
1.1546 + aShell->GetChildAt(i, getter_AddRefs(childItem));
1.1547 + DetachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(childItem)));
1.1548 + }
1.1549 +}
1.1550 +
1.1551 +NS_IMETHODIMP
1.1552 +nsDocumentViewer::Destroy()
1.1553 +{
1.1554 + NS_ASSERTION(mDocument, "No document in Destroy()!");
1.1555 +
1.1556 +#ifdef NS_PRINTING
1.1557 + // Here is where we check to see if the document was still being prepared
1.1558 + // for printing when it was asked to be destroy from someone externally
1.1559 + // This usually happens if the document is unloaded while the user is in the
1.1560 + // Print Dialog
1.1561 + //
1.1562 + // So we flip the bool to remember that the document is going away
1.1563 + // and we can clean up and abort later after returning from the Print Dialog
1.1564 + if (mPrintEngine) {
1.1565 + if (mPrintEngine->CheckBeforeDestroy()) {
1.1566 + return NS_OK;
1.1567 + }
1.1568 + }
1.1569 + mBeforeAndAfterPrint = nullptr;
1.1570 +#endif
1.1571 +
1.1572 + // Don't let the document get unloaded while we are printing.
1.1573 + // this could happen if we hit the back button during printing.
1.1574 + // We also keep the viewer from being cached in session history, since
1.1575 + // we require all documents there to be sanitized.
1.1576 + if (mDestroyRefCount != 0) {
1.1577 + --mDestroyRefCount;
1.1578 + return NS_OK;
1.1579 + }
1.1580 +
1.1581 + // If we were told to put ourselves into session history instead of destroy
1.1582 + // the presentation, do that now.
1.1583 + if (mSHEntry) {
1.1584 + if (mPresShell)
1.1585 + mPresShell->Freeze();
1.1586 +
1.1587 + // Make sure the presentation isn't torn down by Hide().
1.1588 + mSHEntry->SetSticky(mIsSticky);
1.1589 + mIsSticky = true;
1.1590 +
1.1591 + bool savePresentation = mDocument ? mDocument->IsBFCachingAllowed() : true;
1.1592 +
1.1593 + // Remove our root view from the view hierarchy.
1.1594 + if (mPresShell) {
1.1595 + nsViewManager *vm = mPresShell->GetViewManager();
1.1596 + if (vm) {
1.1597 + nsView *rootView = vm->GetRootView();
1.1598 +
1.1599 + if (rootView) {
1.1600 + nsView *rootViewParent = rootView->GetParent();
1.1601 + if (rootViewParent) {
1.1602 + nsViewManager *parentVM = rootViewParent->GetViewManager();
1.1603 + if (parentVM) {
1.1604 + parentVM->RemoveChild(rootView);
1.1605 + }
1.1606 + }
1.1607 + }
1.1608 + }
1.1609 + }
1.1610 +
1.1611 + Hide();
1.1612 +
1.1613 + // This is after Hide() so that the user doesn't see the inputs clear.
1.1614 + if (mDocument) {
1.1615 + mDocument->Sanitize();
1.1616 + }
1.1617 +
1.1618 + // Reverse ownership. Do this *after* calling sanitize so that sanitize
1.1619 + // doesn't cause mutations that make the SHEntry drop the presentation
1.1620 +
1.1621 + // Grab a reference to mSHEntry before calling into things like
1.1622 + // SyncPresentationState that might mess with our members.
1.1623 + nsCOMPtr<nsISHEntry> shEntry = mSHEntry; // we'll need this below
1.1624 + mSHEntry = nullptr;
1.1625 +
1.1626 + if (savePresentation) {
1.1627 + shEntry->SetContentViewer(this);
1.1628 + }
1.1629 +
1.1630 + // Always sync the presentation state. That way even if someone screws up
1.1631 + // and shEntry has no window state at this point we'll be ok; we just won't
1.1632 + // cache ourselves.
1.1633 + shEntry->SyncPresentationState();
1.1634 +
1.1635 + // Shut down accessibility for the document before we start to tear it down.
1.1636 +#ifdef ACCESSIBILITY
1.1637 + if (mPresShell) {
1.1638 + a11y::DocAccessible* docAcc = mPresShell->GetDocAccessible();
1.1639 + if (docAcc) {
1.1640 + docAcc->Shutdown();
1.1641 + }
1.1642 + }
1.1643 +#endif
1.1644 +
1.1645 + // Break the link from the document/presentation to the docshell, so that
1.1646 + // link traversals cannot affect the currently-loaded document.
1.1647 + // When the presentation is restored, Open() and InitInternal() will reset
1.1648 + // these pointers to their original values.
1.1649 +
1.1650 + if (mDocument) {
1.1651 + mDocument->SetContainer(nullptr);
1.1652 + }
1.1653 + if (mPresContext) {
1.1654 + mPresContext->Detach();
1.1655 + }
1.1656 + if (mPresShell) {
1.1657 + mPresShell->SetForwardingContainer(mContainer);
1.1658 + }
1.1659 +
1.1660 + // Do the same for our children. Note that we need to get the child
1.1661 + // docshells from the SHEntry now; the docshell will have cleared them.
1.1662 + nsCOMPtr<nsIDocShellTreeItem> item;
1.1663 + int32_t itemIndex = 0;
1.1664 + while (NS_SUCCEEDED(shEntry->ChildShellAt(itemIndex++,
1.1665 + getter_AddRefs(item))) && item) {
1.1666 + DetachContainerRecurse(nsCOMPtr<nsIDocShell>(do_QueryInterface(item)));
1.1667 + }
1.1668 +
1.1669 + return NS_OK;
1.1670 + }
1.1671 +
1.1672 + // The document was not put in the bfcache
1.1673 +
1.1674 + if (mPresShell) {
1.1675 + DestroyPresShell();
1.1676 + }
1.1677 + if (mDocument) {
1.1678 + mDocument->Destroy();
1.1679 + mDocument = nullptr;
1.1680 + }
1.1681 +
1.1682 + // All callers are supposed to call destroy to break circular
1.1683 + // references. If we do this stuff in the destructor, the
1.1684 + // destructor might never be called (especially if we're being
1.1685 + // used from JS.
1.1686 +
1.1687 +#ifdef NS_PRINTING
1.1688 + if (mPrintEngine) {
1.1689 +#ifdef NS_PRINT_PREVIEW
1.1690 + bool doingPrintPreview;
1.1691 + mPrintEngine->GetDoingPrintPreview(&doingPrintPreview);
1.1692 + if (doingPrintPreview) {
1.1693 + mPrintEngine->FinishPrintPreview();
1.1694 + }
1.1695 +#endif
1.1696 +
1.1697 + mPrintEngine->Destroy();
1.1698 + mPrintEngine = nullptr;
1.1699 + }
1.1700 +#endif
1.1701 +
1.1702 + // Avoid leaking the old viewer.
1.1703 + if (mPreviousViewer) {
1.1704 + mPreviousViewer->Destroy();
1.1705 + mPreviousViewer = nullptr;
1.1706 + }
1.1707 +
1.1708 + mDeviceContext = nullptr;
1.1709 +
1.1710 + if (mPresContext) {
1.1711 + DestroyPresContext();
1.1712 + }
1.1713 +
1.1714 + mWindow = nullptr;
1.1715 + mViewManager = nullptr;
1.1716 + mContainer = WeakPtr<nsDocShell>();
1.1717 +
1.1718 + return NS_OK;
1.1719 +}
1.1720 +
1.1721 +NS_IMETHODIMP
1.1722 +nsDocumentViewer::Stop(void)
1.1723 +{
1.1724 + NS_ASSERTION(mDocument, "Stop called too early or too late");
1.1725 + if (mDocument) {
1.1726 + mDocument->StopDocumentLoad();
1.1727 + }
1.1728 +
1.1729 + if (!mHidden && (mLoaded || mStopped) && mPresContext && !mSHEntry)
1.1730 + mPresContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
1.1731 +
1.1732 + mStopped = true;
1.1733 +
1.1734 + if (!mLoaded && mPresShell) {
1.1735 + // Well, we might as well paint what we have so far.
1.1736 + nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell); // bug 378682
1.1737 + mPresShell->UnsuppressPainting();
1.1738 + }
1.1739 +
1.1740 + return NS_OK;
1.1741 +}
1.1742 +
1.1743 +NS_IMETHODIMP
1.1744 +nsDocumentViewer::GetDOMDocument(nsIDOMDocument **aResult)
1.1745 +{
1.1746 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.1747 + return CallQueryInterface(mDocument, aResult);
1.1748 +}
1.1749 +
1.1750 +NS_IMETHODIMP_(nsIDocument *)
1.1751 +nsDocumentViewer::GetDocument()
1.1752 +{
1.1753 + return mDocument;
1.1754 +}
1.1755 +
1.1756 +NS_IMETHODIMP
1.1757 +nsDocumentViewer::SetDOMDocument(nsIDOMDocument *aDocument)
1.1758 +{
1.1759 + // Assumptions:
1.1760 + //
1.1761 + // 1) this document viewer has been initialized with a call to Init().
1.1762 + // 2) the stylesheets associated with the document have been added
1.1763 + // to the document.
1.1764 +
1.1765 + // XXX Right now, this method assumes that the layout of the current
1.1766 + // document hasn't started yet. More cleanup will probably be
1.1767 + // necessary to make this method work for the case when layout *has*
1.1768 + // occurred for the current document.
1.1769 + // That work can happen when and if it is needed.
1.1770 +
1.1771 + if (!aDocument)
1.1772 + return NS_ERROR_NULL_POINTER;
1.1773 +
1.1774 + nsCOMPtr<nsIDocument> newDoc = do_QueryInterface(aDocument);
1.1775 + NS_ENSURE_TRUE(newDoc, NS_ERROR_UNEXPECTED);
1.1776 +
1.1777 + return SetDocumentInternal(newDoc, false);
1.1778 +}
1.1779 +
1.1780 +NS_IMETHODIMP
1.1781 +nsDocumentViewer::SetDocumentInternal(nsIDocument* aDocument,
1.1782 + bool aForceReuseInnerWindow)
1.1783 +{
1.1784 + MOZ_ASSERT(aDocument);
1.1785 +
1.1786 + // Set new container
1.1787 + aDocument->SetContainer(mContainer);
1.1788 +
1.1789 + if (mDocument != aDocument) {
1.1790 + if (mDocument->IsStaticDocument()) {
1.1791 + mDocument->SetScriptGlobalObject(nullptr);
1.1792 + mDocument->Destroy();
1.1793 + }
1.1794 + // Replace the old document with the new one. Do this only when
1.1795 + // the new document really is a new document.
1.1796 + mDocument = aDocument;
1.1797 +
1.1798 + // Set the script global object on the new document
1.1799 + nsCOMPtr<nsPIDOMWindow> window =
1.1800 + do_GetInterface(static_cast<nsIDocShell*>(mContainer.get()));
1.1801 + if (window) {
1.1802 + window->SetNewDocument(aDocument, nullptr, aForceReuseInnerWindow);
1.1803 + }
1.1804 +
1.1805 + // Clear the list of old child docshells. Child docshells for the new
1.1806 + // document will be constructed as frames are created.
1.1807 + if (!aDocument->IsStaticDocument()) {
1.1808 + nsCOMPtr<nsIDocShell> node(mContainer);
1.1809 + if (node) {
1.1810 + int32_t count;
1.1811 + node->GetChildCount(&count);
1.1812 + for (int32_t i = 0; i < count; ++i) {
1.1813 + nsCOMPtr<nsIDocShellTreeItem> child;
1.1814 + node->GetChildAt(0, getter_AddRefs(child));
1.1815 + node->RemoveChild(child);
1.1816 + }
1.1817 + }
1.1818 + }
1.1819 + }
1.1820 +
1.1821 + nsresult rv = SyncParentSubDocMap();
1.1822 + NS_ENSURE_SUCCESS(rv, rv);
1.1823 +
1.1824 + // Replace the current pres shell with a new shell for the new document
1.1825 +
1.1826 + if (mPresShell) {
1.1827 + DestroyPresShell();
1.1828 + }
1.1829 +
1.1830 + if (mPresContext) {
1.1831 + DestroyPresContext();
1.1832 +
1.1833 + mWindow = nullptr;
1.1834 + InitInternal(mParentWidget, nullptr, mBounds, true, true, false);
1.1835 + }
1.1836 +
1.1837 + return rv;
1.1838 +}
1.1839 +
1.1840 +nsIPresShell*
1.1841 +nsDocumentViewer::GetPresShell()
1.1842 +{
1.1843 + return mPresShell;
1.1844 +}
1.1845 +
1.1846 +nsPresContext*
1.1847 +nsDocumentViewer::GetPresContext()
1.1848 +{
1.1849 + return mPresContext;
1.1850 +}
1.1851 +
1.1852 +nsViewManager*
1.1853 +nsDocumentViewer::GetViewManager()
1.1854 +{
1.1855 + return mViewManager;
1.1856 +}
1.1857 +
1.1858 +NS_IMETHODIMP
1.1859 +nsDocumentViewer::GetPresShell(nsIPresShell** aResult)
1.1860 +{
1.1861 + nsIPresShell* shell = GetPresShell();
1.1862 + NS_IF_ADDREF(*aResult = shell);
1.1863 + return NS_OK;
1.1864 +}
1.1865 +
1.1866 +NS_IMETHODIMP
1.1867 +nsDocumentViewer::GetPresContext(nsPresContext** aResult)
1.1868 +{
1.1869 + nsPresContext* pc = GetPresContext();
1.1870 + NS_IF_ADDREF(*aResult = pc);
1.1871 + return NS_OK;
1.1872 +}
1.1873 +
1.1874 +NS_IMETHODIMP
1.1875 +nsDocumentViewer::GetBounds(nsIntRect& aResult)
1.1876 +{
1.1877 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.1878 + aResult = mBounds;
1.1879 + return NS_OK;
1.1880 +}
1.1881 +
1.1882 +NS_IMETHODIMP
1.1883 +nsDocumentViewer::GetPreviousViewer(nsIContentViewer** aViewer)
1.1884 +{
1.1885 + *aViewer = mPreviousViewer;
1.1886 + NS_IF_ADDREF(*aViewer);
1.1887 + return NS_OK;
1.1888 +}
1.1889 +
1.1890 +NS_IMETHODIMP
1.1891 +nsDocumentViewer::SetPreviousViewer(nsIContentViewer* aViewer)
1.1892 +{
1.1893 + // NOTE: |Show| sets |mPreviousViewer| to null without calling this
1.1894 + // function.
1.1895 +
1.1896 + if (aViewer) {
1.1897 + NS_ASSERTION(!mPreviousViewer,
1.1898 + "can't set previous viewer when there already is one");
1.1899 +
1.1900 + // In a multiple chaining situation (which occurs when running a thrashing
1.1901 + // test like i-bench or jrgm's tests with no delay), we can build up a
1.1902 + // whole chain of viewers. In order to avoid this, we always set our previous
1.1903 + // viewer to the MOST previous viewer in the chain, and then dump the intermediate
1.1904 + // link from the chain. This ensures that at most only 2 documents are alive
1.1905 + // and undestroyed at any given time (the one that is showing and the one that
1.1906 + // is loading with painting suppressed).
1.1907 + // It's very important that if this ever gets changed the code
1.1908 + // before the RestorePresentation call in nsDocShell::InternalLoad
1.1909 + // be changed accordingly.
1.1910 + nsCOMPtr<nsIContentViewer> prevViewer;
1.1911 + aViewer->GetPreviousViewer(getter_AddRefs(prevViewer));
1.1912 + if (prevViewer) {
1.1913 + aViewer->SetPreviousViewer(nullptr);
1.1914 + aViewer->Destroy();
1.1915 + return SetPreviousViewer(prevViewer);
1.1916 + }
1.1917 + }
1.1918 +
1.1919 + mPreviousViewer = aViewer;
1.1920 + return NS_OK;
1.1921 +}
1.1922 +
1.1923 +NS_IMETHODIMP
1.1924 +nsDocumentViewer::SetBounds(const nsIntRect& aBounds)
1.1925 +{
1.1926 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.1927 +
1.1928 + mBounds = aBounds;
1.1929 + if (mWindow) {
1.1930 + if (!mAttachedToParent) {
1.1931 + // Don't have the widget repaint. Layout will generate repaint requests
1.1932 + // during reflow.
1.1933 + mWindow->Resize(aBounds.x, aBounds.y,
1.1934 + aBounds.width, aBounds.height,
1.1935 + false);
1.1936 + }
1.1937 + } else if (mPresContext && mViewManager) {
1.1938 + int32_t p2a = mPresContext->AppUnitsPerDevPixel();
1.1939 + mViewManager->SetWindowDimensions(NSIntPixelsToAppUnits(mBounds.width, p2a),
1.1940 + NSIntPixelsToAppUnits(mBounds.height, p2a));
1.1941 + }
1.1942 +
1.1943 + // If there's a previous viewer, it's the one that's actually showing,
1.1944 + // so be sure to resize it as well so it paints over the right area.
1.1945 + // This may slow down the performance of the new page load, but resize
1.1946 + // during load is also probably a relatively unusual condition
1.1947 + // relating to things being hidden while something is loaded. It so
1.1948 + // happens that Firefox does this a good bit with its infobar, and it
1.1949 + // looks ugly if we don't do this.
1.1950 + if (mPreviousViewer) {
1.1951 + nsCOMPtr<nsIContentViewer> previousViewer = mPreviousViewer;
1.1952 + previousViewer->SetBounds(aBounds);
1.1953 + }
1.1954 +
1.1955 + return NS_OK;
1.1956 +}
1.1957 +
1.1958 +NS_IMETHODIMP
1.1959 +nsDocumentViewer::Move(int32_t aX, int32_t aY)
1.1960 +{
1.1961 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.1962 + mBounds.MoveTo(aX, aY);
1.1963 + if (mWindow) {
1.1964 + mWindow->Move(aX, aY);
1.1965 + }
1.1966 + return NS_OK;
1.1967 +}
1.1968 +
1.1969 +NS_IMETHODIMP
1.1970 +nsDocumentViewer::Show(void)
1.1971 +{
1.1972 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.1973 +
1.1974 + // We don't need the previous viewer anymore since we're not
1.1975 + // displaying it.
1.1976 + if (mPreviousViewer) {
1.1977 + // This little dance *may* only be to keep
1.1978 + // PresShell::EndObservingDocument happy, but I'm not sure.
1.1979 + nsCOMPtr<nsIContentViewer> prevViewer(mPreviousViewer);
1.1980 + mPreviousViewer = nullptr;
1.1981 + prevViewer->Destroy();
1.1982 +
1.1983 + // Make sure we don't have too many cached ContentViewers
1.1984 + nsCOMPtr<nsIDocShellTreeItem> treeItem(mContainer);
1.1985 + if (treeItem) {
1.1986 + // We need to find the root DocShell since only that object has an
1.1987 + // SHistory and we need the SHistory to evict content viewers
1.1988 + nsCOMPtr<nsIDocShellTreeItem> root;
1.1989 + treeItem->GetSameTypeRootTreeItem(getter_AddRefs(root));
1.1990 + nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(root);
1.1991 + nsCOMPtr<nsISHistory> history;
1.1992 + webNav->GetSessionHistory(getter_AddRefs(history));
1.1993 + nsCOMPtr<nsISHistoryInternal> historyInt = do_QueryInterface(history);
1.1994 + if (historyInt) {
1.1995 + int32_t prevIndex,loadedIndex;
1.1996 + nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(treeItem);
1.1997 + docShell->GetPreviousTransIndex(&prevIndex);
1.1998 + docShell->GetLoadedTransIndex(&loadedIndex);
1.1999 +#ifdef DEBUG_PAGE_CACHE
1.2000 + printf("About to evict content viewers: prev=%d, loaded=%d\n",
1.2001 + prevIndex, loadedIndex);
1.2002 +#endif
1.2003 + historyInt->EvictOutOfRangeContentViewers(loadedIndex);
1.2004 + }
1.2005 + }
1.2006 + }
1.2007 +
1.2008 + if (mWindow) {
1.2009 + // When attached to a top level xul window, we do not need to call
1.2010 + // Show on the widget. Underlying window management code handles
1.2011 + // this when the window is initialized.
1.2012 + if (!mAttachedToParent) {
1.2013 + mWindow->Show(true);
1.2014 + }
1.2015 + }
1.2016 +
1.2017 + if (mDocument && !mPresShell) {
1.2018 + NS_ASSERTION(!mWindow, "Window already created but no presshell?");
1.2019 +
1.2020 + nsCOMPtr<nsIBaseWindow> base_win(mContainer);
1.2021 + if (base_win) {
1.2022 + base_win->GetParentWidget(&mParentWidget);
1.2023 + if (mParentWidget) {
1.2024 + mParentWidget->Release(); // GetParentWidget AddRefs, but mParentWidget is weak
1.2025 + }
1.2026 + }
1.2027 +
1.2028 + nsView* containerView = FindContainerView();
1.2029 +
1.2030 + nsresult rv = CreateDeviceContext(containerView);
1.2031 + NS_ENSURE_SUCCESS(rv, rv);
1.2032 +
1.2033 + // Create presentation context
1.2034 + NS_ASSERTION(!mPresContext, "Shouldn't have a prescontext if we have no shell!");
1.2035 + mPresContext = CreatePresContext(mDocument,
1.2036 + nsPresContext::eContext_Galley, containerView);
1.2037 + NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
1.2038 +
1.2039 + rv = mPresContext->Init(mDeviceContext);
1.2040 + if (NS_FAILED(rv)) {
1.2041 + mPresContext = nullptr;
1.2042 + return rv;
1.2043 + }
1.2044 +
1.2045 + rv = MakeWindow(nsSize(mPresContext->DevPixelsToAppUnits(mBounds.width),
1.2046 + mPresContext->DevPixelsToAppUnits(mBounds.height)),
1.2047 + containerView);
1.2048 + if (NS_FAILED(rv))
1.2049 + return rv;
1.2050 +
1.2051 + if (mPresContext && base_win) {
1.2052 + nsCOMPtr<nsILinkHandler> linkHandler(do_GetInterface(base_win));
1.2053 +
1.2054 + if (linkHandler) {
1.2055 + mPresContext->SetLinkHandler(linkHandler);
1.2056 + }
1.2057 +
1.2058 + mPresContext->SetContainer(mContainer);
1.2059 + }
1.2060 +
1.2061 + if (mPresContext) {
1.2062 + Hide();
1.2063 +
1.2064 + rv = InitPresentationStuff(mDocument->MayStartLayout());
1.2065 + }
1.2066 +
1.2067 + // If we get here the document load has already started and the
1.2068 + // window is shown because some JS on the page caused it to be
1.2069 + // shown...
1.2070 +
1.2071 + if (mPresShell) {
1.2072 + nsCOMPtr<nsIPresShell> shellDeathGrip(mPresShell); // bug 378682
1.2073 + mPresShell->UnsuppressPainting();
1.2074 + }
1.2075 + }
1.2076 +
1.2077 + // Notify observers that a new page has been shown. This will get run
1.2078 + // from the event loop after we actually draw the page.
1.2079 + NS_DispatchToMainThread(new nsDocumentShownDispatcher(mDocument));
1.2080 +
1.2081 + return NS_OK;
1.2082 +}
1.2083 +
1.2084 +NS_IMETHODIMP
1.2085 +nsDocumentViewer::Hide(void)
1.2086 +{
1.2087 + if (!mAttachedToParent && mWindow) {
1.2088 + mWindow->Show(false);
1.2089 + }
1.2090 +
1.2091 + if (!mPresShell)
1.2092 + return NS_OK;
1.2093 +
1.2094 + NS_ASSERTION(mPresContext, "Can't have a presshell and no prescontext!");
1.2095 +
1.2096 + // Avoid leaking the old viewer.
1.2097 + if (mPreviousViewer) {
1.2098 + mPreviousViewer->Destroy();
1.2099 + mPreviousViewer = nullptr;
1.2100 + }
1.2101 +
1.2102 + if (mIsSticky) {
1.2103 + // This window is sticky, that means that it might be shown again
1.2104 + // and we don't want the presshell n' all that to be thrown away
1.2105 + // just because the window is hidden.
1.2106 +
1.2107 + return NS_OK;
1.2108 + }
1.2109 +
1.2110 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.2111 + if (docShell) {
1.2112 + nsCOMPtr<nsILayoutHistoryState> layoutState;
1.2113 + mPresShell->CaptureHistoryState(getter_AddRefs(layoutState));
1.2114 + }
1.2115 +
1.2116 + DestroyPresShell();
1.2117 +
1.2118 + DestroyPresContext();
1.2119 +
1.2120 + mViewManager = nullptr;
1.2121 + mWindow = nullptr;
1.2122 + mDeviceContext = nullptr;
1.2123 + mParentWidget = nullptr;
1.2124 +
1.2125 + nsCOMPtr<nsIBaseWindow> base_win(mContainer);
1.2126 +
1.2127 + if (base_win && !mAttachedToParent) {
1.2128 + base_win->SetParentWidget(nullptr);
1.2129 + }
1.2130 +
1.2131 + return NS_OK;
1.2132 +}
1.2133 +
1.2134 +NS_IMETHODIMP
1.2135 +nsDocumentViewer::GetSticky(bool *aSticky)
1.2136 +{
1.2137 + *aSticky = mIsSticky;
1.2138 +
1.2139 + return NS_OK;
1.2140 +}
1.2141 +
1.2142 +NS_IMETHODIMP
1.2143 +nsDocumentViewer::SetSticky(bool aSticky)
1.2144 +{
1.2145 + mIsSticky = aSticky;
1.2146 +
1.2147 + return NS_OK;
1.2148 +}
1.2149 +
1.2150 +NS_IMETHODIMP
1.2151 +nsDocumentViewer::RequestWindowClose(bool* aCanClose)
1.2152 +{
1.2153 +#ifdef NS_PRINTING
1.2154 + if (mPrintIsPending || (mPrintEngine && mPrintEngine->GetIsPrinting())) {
1.2155 + *aCanClose = false;
1.2156 + mDeferredWindowClose = true;
1.2157 + } else
1.2158 +#endif
1.2159 + *aCanClose = true;
1.2160 +
1.2161 + return NS_OK;
1.2162 +}
1.2163 +
1.2164 +static bool
1.2165 +AppendAgentSheet(nsIStyleSheet *aSheet, void *aData)
1.2166 +{
1.2167 + nsStyleSet *styleSet = static_cast<nsStyleSet*>(aData);
1.2168 + styleSet->AppendStyleSheet(nsStyleSet::eAgentSheet, aSheet);
1.2169 + return true;
1.2170 +}
1.2171 +
1.2172 +static bool
1.2173 +PrependUserSheet(nsIStyleSheet *aSheet, void *aData)
1.2174 +{
1.2175 + nsStyleSet *styleSet = static_cast<nsStyleSet*>(aData);
1.2176 + styleSet->PrependStyleSheet(nsStyleSet::eUserSheet, aSheet);
1.2177 + return true;
1.2178 +}
1.2179 +
1.2180 +nsresult
1.2181 +nsDocumentViewer::CreateStyleSet(nsIDocument* aDocument,
1.2182 + nsStyleSet** aStyleSet)
1.2183 +{
1.2184 + // Make sure this does the same thing as PresShell::AddSheet wrt ordering.
1.2185 +
1.2186 + // this should eventually get expanded to allow for creating
1.2187 + // different sets for different media
1.2188 + nsStyleSet *styleSet = new nsStyleSet();
1.2189 +
1.2190 + styleSet->BeginUpdate();
1.2191 +
1.2192 + // The document will fill in the document sheets when we create the presshell
1.2193 +
1.2194 + // Handle the user sheets.
1.2195 + nsCSSStyleSheet* sheet = nullptr;
1.2196 + if (nsContentUtils::IsInChromeDocshell(aDocument)) {
1.2197 + sheet = nsLayoutStylesheetCache::UserChromeSheet();
1.2198 + }
1.2199 + else {
1.2200 + sheet = nsLayoutStylesheetCache::UserContentSheet();
1.2201 + }
1.2202 +
1.2203 + if (sheet)
1.2204 + styleSet->AppendStyleSheet(nsStyleSet::eUserSheet, sheet);
1.2205 +
1.2206 + // Append chrome sheets (scrollbars + forms).
1.2207 + bool shouldOverride = false;
1.2208 + // We don't want a docshell here for external resource docs, so just
1.2209 + // look at mContainer.
1.2210 + nsCOMPtr<nsIDocShell> ds(mContainer);
1.2211 + nsCOMPtr<nsIDOMEventTarget> chromeHandler;
1.2212 + nsCOMPtr<nsIURI> uri;
1.2213 + nsRefPtr<nsCSSStyleSheet> csssheet;
1.2214 +
1.2215 + if (ds) {
1.2216 + ds->GetChromeEventHandler(getter_AddRefs(chromeHandler));
1.2217 + }
1.2218 + if (chromeHandler) {
1.2219 + nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(chromeHandler));
1.2220 + nsCOMPtr<nsIContent> content(do_QueryInterface(elt));
1.2221 + if (elt && content) {
1.2222 + nsCOMPtr<nsIURI> baseURI = content->GetBaseURI();
1.2223 +
1.2224 + nsAutoString sheets;
1.2225 + elt->GetAttribute(NS_LITERAL_STRING("usechromesheets"), sheets);
1.2226 + if (!sheets.IsEmpty() && baseURI) {
1.2227 + nsRefPtr<mozilla::css::Loader> cssLoader = new mozilla::css::Loader();
1.2228 +
1.2229 + char *str = ToNewCString(sheets);
1.2230 + char *newStr = str;
1.2231 + char *token;
1.2232 + while ( (token = nsCRT::strtok(newStr, ", ", &newStr)) ) {
1.2233 + NS_NewURI(getter_AddRefs(uri), nsDependentCString(token), nullptr,
1.2234 + baseURI);
1.2235 + if (!uri) continue;
1.2236 +
1.2237 + cssLoader->LoadSheetSync(uri, getter_AddRefs(csssheet));
1.2238 + if (!csssheet) continue;
1.2239 +
1.2240 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, csssheet);
1.2241 + shouldOverride = true;
1.2242 + }
1.2243 + nsMemory::Free(str);
1.2244 + }
1.2245 + }
1.2246 + }
1.2247 +
1.2248 + if (!shouldOverride) {
1.2249 + sheet = nsLayoutStylesheetCache::ScrollbarsSheet();
1.2250 + if (sheet) {
1.2251 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, sheet);
1.2252 + }
1.2253 + }
1.2254 +
1.2255 + sheet = nsLayoutStylesheetCache::NumberControlSheet();
1.2256 + if (sheet) {
1.2257 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, sheet);
1.2258 + }
1.2259 +
1.2260 + sheet = nsLayoutStylesheetCache::FormsSheet();
1.2261 + if (sheet) {
1.2262 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, sheet);
1.2263 + }
1.2264 +
1.2265 + sheet = nsLayoutStylesheetCache::FullScreenOverrideSheet();
1.2266 + if (sheet) {
1.2267 + styleSet->PrependStyleSheet(nsStyleSet::eOverrideSheet, sheet);
1.2268 + }
1.2269 +
1.2270 + // Make sure to clone the quirk sheet so that it can be usefully
1.2271 + // enabled/disabled as needed.
1.2272 + nsRefPtr<nsCSSStyleSheet> quirkClone;
1.2273 + nsCSSStyleSheet* quirkSheet;
1.2274 + if (!nsLayoutStylesheetCache::UASheet() ||
1.2275 + !(quirkSheet = nsLayoutStylesheetCache::QuirkSheet()) ||
1.2276 + !(quirkClone = quirkSheet->Clone(nullptr, nullptr, nullptr, nullptr)) ||
1.2277 + !sheet) {
1.2278 + delete styleSet;
1.2279 + return NS_ERROR_OUT_OF_MEMORY;
1.2280 + }
1.2281 + // quirk.css needs to come after the regular UA sheet (or more precisely,
1.2282 + // after the html.css and so forth that the UA sheet imports).
1.2283 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet, quirkClone);
1.2284 + styleSet->SetQuirkStyleSheet(quirkClone);
1.2285 + styleSet->PrependStyleSheet(nsStyleSet::eAgentSheet,
1.2286 + nsLayoutStylesheetCache::UASheet());
1.2287 +
1.2288 + nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
1.2289 + if (sheetService) {
1.2290 + sheetService->AgentStyleSheets()->EnumerateForwards(AppendAgentSheet,
1.2291 + styleSet);
1.2292 + sheetService->UserStyleSheets()->EnumerateBackwards(PrependUserSheet,
1.2293 + styleSet);
1.2294 + }
1.2295 +
1.2296 + // Caller will handle calling EndUpdate, per contract.
1.2297 + *aStyleSet = styleSet;
1.2298 + return NS_OK;
1.2299 +}
1.2300 +
1.2301 +NS_IMETHODIMP
1.2302 +nsDocumentViewer::ClearHistoryEntry()
1.2303 +{
1.2304 + mSHEntry = nullptr;
1.2305 + return NS_OK;
1.2306 +}
1.2307 +
1.2308 +//-------------------------------------------------------
1.2309 +
1.2310 +nsresult
1.2311 +nsDocumentViewer::MakeWindow(const nsSize& aSize, nsView* aContainerView)
1.2312 +{
1.2313 + if (GetIsPrintPreview())
1.2314 + return NS_OK;
1.2315 +
1.2316 + bool shouldAttach = ShouldAttachToTopLevel();
1.2317 +
1.2318 + if (shouldAttach) {
1.2319 + // If the old view is already attached to our parent, detach
1.2320 + DetachFromTopLevelWidget();
1.2321 + }
1.2322 +
1.2323 + mViewManager = new nsViewManager();
1.2324 +
1.2325 + nsDeviceContext *dx = mPresContext->DeviceContext();
1.2326 +
1.2327 + nsresult rv = mViewManager->Init(dx);
1.2328 + if (NS_FAILED(rv))
1.2329 + return rv;
1.2330 +
1.2331 + // The root view is always at 0,0.
1.2332 + nsRect tbounds(nsPoint(0, 0), aSize);
1.2333 + // Create a view
1.2334 + nsView* view = mViewManager->CreateView(tbounds, aContainerView);
1.2335 + if (!view)
1.2336 + return NS_ERROR_OUT_OF_MEMORY;
1.2337 +
1.2338 + // Create a widget if we were given a parent widget or don't have a
1.2339 + // container view that we can hook up to without a widget.
1.2340 + // Don't create widgets for ResourceDocs (external resources & svg images),
1.2341 + // because when they're displayed, they're painted into *another* document's
1.2342 + // widget.
1.2343 + if (!mDocument->IsResourceDoc() &&
1.2344 + (mParentWidget || !aContainerView)) {
1.2345 + // pass in a native widget to be the parent widget ONLY if the view hierarchy will stand alone.
1.2346 + // otherwise the view will find its own parent widget and "do the right thing" to
1.2347 + // establish a parent/child widget relationship
1.2348 + nsWidgetInitData initData;
1.2349 + nsWidgetInitData* initDataPtr;
1.2350 + if (!mParentWidget) {
1.2351 + initDataPtr = &initData;
1.2352 + initData.mWindowType = eWindowType_invisible;
1.2353 + } else {
1.2354 + initDataPtr = nullptr;
1.2355 + }
1.2356 +
1.2357 + if (shouldAttach) {
1.2358 + // Reuse the top level parent widget.
1.2359 + rv = view->AttachToTopLevelWidget(mParentWidget);
1.2360 + mAttachedToParent = true;
1.2361 + }
1.2362 + else if (!aContainerView && mParentWidget) {
1.2363 + rv = view->CreateWidgetForParent(mParentWidget, initDataPtr,
1.2364 + true, false);
1.2365 + }
1.2366 + else {
1.2367 + rv = view->CreateWidget(initDataPtr, true, false);
1.2368 + }
1.2369 + if (NS_FAILED(rv))
1.2370 + return rv;
1.2371 + }
1.2372 +
1.2373 + // Setup hierarchical relationship in view manager
1.2374 + mViewManager->SetRootView(view);
1.2375 +
1.2376 + mWindow = view->GetWidget();
1.2377 +
1.2378 + // This SetFocus is necessary so the Arrow Key and Page Key events
1.2379 + // go to the scrolled view as soon as the Window is created instead of going to
1.2380 + // the browser window (this enables keyboard scrolling of the document)
1.2381 + // mWindow->SetFocus();
1.2382 +
1.2383 + return rv;
1.2384 +}
1.2385 +
1.2386 +void
1.2387 +nsDocumentViewer::DetachFromTopLevelWidget()
1.2388 +{
1.2389 + if (mViewManager) {
1.2390 + nsView* oldView = mViewManager->GetRootView();
1.2391 + if (oldView && oldView->IsAttachedToTopLevel()) {
1.2392 + oldView->DetachFromTopLevelWidget();
1.2393 + }
1.2394 + }
1.2395 + mAttachedToParent = false;
1.2396 +}
1.2397 +
1.2398 +nsView*
1.2399 +nsDocumentViewer::FindContainerView()
1.2400 +{
1.2401 + nsView* containerView = nullptr;
1.2402 +
1.2403 + if (mContainer) {
1.2404 + nsCOMPtr<nsIDocShellTreeItem> docShellItem(mContainer);
1.2405 + nsCOMPtr<nsPIDOMWindow> pwin(do_GetInterface(docShellItem));
1.2406 + if (pwin) {
1.2407 + nsCOMPtr<nsIContent> containerElement = do_QueryInterface(pwin->GetFrameElementInternal());
1.2408 + if (!containerElement) {
1.2409 + return nullptr;
1.2410 + }
1.2411 + nsCOMPtr<nsIPresShell> parentPresShell;
1.2412 + if (docShellItem) {
1.2413 + nsCOMPtr<nsIDocShellTreeItem> parentDocShellItem;
1.2414 + docShellItem->GetParent(getter_AddRefs(parentDocShellItem));
1.2415 + if (parentDocShellItem) {
1.2416 + nsCOMPtr<nsIDocShell> parentDocShell = do_QueryInterface(parentDocShellItem);
1.2417 + parentPresShell = parentDocShell->GetPresShell();
1.2418 + }
1.2419 + }
1.2420 + if (!parentPresShell) {
1.2421 + nsCOMPtr<nsIDocument> parentDoc = containerElement->GetCurrentDoc();
1.2422 + if (parentDoc) {
1.2423 + parentPresShell = parentDoc->GetShell();
1.2424 + }
1.2425 + }
1.2426 + if (!parentPresShell) {
1.2427 + NS_WARNING("Subdocument container has no presshell");
1.2428 + } else {
1.2429 + nsIFrame* f = parentPresShell->GetRealPrimaryFrameFor(containerElement);
1.2430 + if (f) {
1.2431 + nsIFrame* subdocFrame = f->GetContentInsertionFrame();
1.2432 + // subdocFrame might not be a subdocument frame; the frame
1.2433 + // constructor can treat a <frame> as an inline in some XBL
1.2434 + // cases. Treat that as display:none, the document is not
1.2435 + // displayed.
1.2436 + if (subdocFrame->GetType() == nsGkAtoms::subDocumentFrame) {
1.2437 + NS_ASSERTION(subdocFrame->GetView(), "Subdoc frames must have views");
1.2438 + nsView* innerView =
1.2439 + static_cast<nsSubDocumentFrame*>(subdocFrame)->EnsureInnerView();
1.2440 + containerView = innerView;
1.2441 + } else {
1.2442 + NS_WARNING("Subdocument container has non-subdocument frame");
1.2443 + }
1.2444 + } else {
1.2445 + NS_WARNING("Subdocument container has no frame");
1.2446 + }
1.2447 + }
1.2448 + }
1.2449 + }
1.2450 +
1.2451 + return containerView;
1.2452 +}
1.2453 +
1.2454 +nsresult
1.2455 +nsDocumentViewer::CreateDeviceContext(nsView* aContainerView)
1.2456 +{
1.2457 + NS_PRECONDITION(!mPresShell && !mWindow,
1.2458 + "This will screw up our existing presentation");
1.2459 + NS_PRECONDITION(mDocument, "Gotta have a document here");
1.2460 +
1.2461 + nsIDocument* doc = mDocument->GetDisplayDocument();
1.2462 + if (doc) {
1.2463 + NS_ASSERTION(!aContainerView, "External resource document embedded somewhere?");
1.2464 + // We want to use our display document's device context if possible
1.2465 + nsIPresShell* shell = doc->GetShell();
1.2466 + if (shell) {
1.2467 + nsPresContext* ctx = shell->GetPresContext();
1.2468 + if (ctx) {
1.2469 + mDeviceContext = ctx->DeviceContext();
1.2470 + return NS_OK;
1.2471 + }
1.2472 + }
1.2473 + }
1.2474 +
1.2475 + // Create a device context even if we already have one, since our widget
1.2476 + // might have changed.
1.2477 + nsIWidget* widget = nullptr;
1.2478 + if (aContainerView) {
1.2479 + widget = aContainerView->GetNearestWidget(nullptr);
1.2480 + }
1.2481 + if (!widget) {
1.2482 + widget = mParentWidget;
1.2483 + }
1.2484 + if (widget) {
1.2485 + widget = widget->GetTopLevelWidget();
1.2486 + }
1.2487 +
1.2488 + mDeviceContext = new nsDeviceContext();
1.2489 + mDeviceContext->Init(widget);
1.2490 + return NS_OK;
1.2491 +}
1.2492 +
1.2493 +// Return the selection for the document. Note that text fields have their
1.2494 +// own selection, which cannot be accessed with this method.
1.2495 +nsresult nsDocumentViewer::GetDocumentSelection(nsISelection **aSelection)
1.2496 +{
1.2497 + NS_ENSURE_ARG_POINTER(aSelection);
1.2498 + if (!mPresShell) {
1.2499 + return NS_ERROR_NOT_INITIALIZED;
1.2500 + }
1.2501 +
1.2502 + nsCOMPtr<nsISelectionController> selcon;
1.2503 + selcon = do_QueryInterface(mPresShell);
1.2504 + if (selcon)
1.2505 + return selcon->GetSelection(nsISelectionController::SELECTION_NORMAL,
1.2506 + aSelection);
1.2507 + return NS_ERROR_FAILURE;
1.2508 +}
1.2509 +
1.2510 +/* ========================================================================================
1.2511 + * nsIContentViewerEdit
1.2512 + * ======================================================================================== */
1.2513 +
1.2514 +NS_IMETHODIMP nsDocumentViewer::ClearSelection()
1.2515 +{
1.2516 + nsresult rv;
1.2517 + nsCOMPtr<nsISelection> selection;
1.2518 +
1.2519 + // use nsCopySupport::GetSelectionForCopy() ?
1.2520 + rv = GetDocumentSelection(getter_AddRefs(selection));
1.2521 + if (NS_FAILED(rv)) return rv;
1.2522 +
1.2523 + return selection->CollapseToStart();
1.2524 +}
1.2525 +
1.2526 +NS_IMETHODIMP nsDocumentViewer::SelectAll()
1.2527 +{
1.2528 + // XXX this is a temporary implementation copied from nsWebShell
1.2529 + // for now. I think nsDocument and friends should have some helper
1.2530 + // functions to make this easier.
1.2531 + nsCOMPtr<nsISelection> selection;
1.2532 + nsresult rv;
1.2533 +
1.2534 + // use nsCopySupport::GetSelectionForCopy() ?
1.2535 + rv = GetDocumentSelection(getter_AddRefs(selection));
1.2536 + if (NS_FAILED(rv)) return rv;
1.2537 +
1.2538 + nsCOMPtr<nsIDOMHTMLDocument> htmldoc = do_QueryInterface(mDocument);
1.2539 + nsCOMPtr<nsIDOMNode> bodyNode;
1.2540 +
1.2541 + if (htmldoc)
1.2542 + {
1.2543 + nsCOMPtr<nsIDOMHTMLElement>bodyElement;
1.2544 + rv = htmldoc->GetBody(getter_AddRefs(bodyElement));
1.2545 + if (NS_FAILED(rv) || !bodyElement) return rv;
1.2546 +
1.2547 + bodyNode = do_QueryInterface(bodyElement);
1.2548 + }
1.2549 + else if (mDocument)
1.2550 + {
1.2551 + bodyNode = do_QueryInterface(mDocument->GetRootElement());
1.2552 + }
1.2553 + if (!bodyNode) return NS_ERROR_FAILURE;
1.2554 +
1.2555 + rv = selection->RemoveAllRanges();
1.2556 + if (NS_FAILED(rv)) return rv;
1.2557 +
1.2558 + rv = selection->SelectAllChildren(bodyNode);
1.2559 + return rv;
1.2560 +}
1.2561 +
1.2562 +NS_IMETHODIMP nsDocumentViewer::CopySelection()
1.2563 +{
1.2564 + nsCopySupport::FireClipboardEvent(NS_COPY, nsIClipboard::kGlobalClipboard, mPresShell, nullptr);
1.2565 + return NS_OK;
1.2566 +}
1.2567 +
1.2568 +NS_IMETHODIMP nsDocumentViewer::CopyLinkLocation()
1.2569 +{
1.2570 + NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
1.2571 + nsCOMPtr<nsIDOMNode> node;
1.2572 + GetPopupLinkNode(getter_AddRefs(node));
1.2573 + // make noise if we're not in a link
1.2574 + NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
1.2575 +
1.2576 + nsCOMPtr<dom::Element> elm(do_QueryInterface(node));
1.2577 + NS_ENSURE_TRUE(elm, NS_ERROR_FAILURE);
1.2578 +
1.2579 + nsAutoString locationText;
1.2580 + nsContentUtils::GetLinkLocation(elm, locationText);
1.2581 + if (locationText.IsEmpty())
1.2582 + return NS_ERROR_FAILURE;
1.2583 +
1.2584 + nsresult rv = NS_OK;
1.2585 + nsCOMPtr<nsIClipboardHelper> clipboard(do_GetService("@mozilla.org/widget/clipboardhelper;1", &rv));
1.2586 + NS_ENSURE_SUCCESS(rv, rv);
1.2587 +
1.2588 + // copy the href onto the clipboard
1.2589 + nsCOMPtr<nsIDOMDocument> doc = do_QueryInterface(mDocument);
1.2590 + return clipboard->CopyString(locationText, doc);
1.2591 +}
1.2592 +
1.2593 +NS_IMETHODIMP nsDocumentViewer::CopyImage(int32_t aCopyFlags)
1.2594 +{
1.2595 + NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
1.2596 + nsCOMPtr<nsIImageLoadingContent> node;
1.2597 + GetPopupImageNode(getter_AddRefs(node));
1.2598 + // make noise if we're not in an image
1.2599 + NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
1.2600 +
1.2601 + nsCOMPtr<nsILoadContext> loadContext(mContainer);
1.2602 + return nsCopySupport::ImageCopy(node, loadContext, aCopyFlags);
1.2603 +}
1.2604 +
1.2605 +
1.2606 +NS_IMETHODIMP nsDocumentViewer::GetCopyable(bool *aCopyable)
1.2607 +{
1.2608 + NS_ENSURE_ARG_POINTER(aCopyable);
1.2609 + *aCopyable = nsCopySupport::CanCopy(mDocument);
1.2610 + return NS_OK;
1.2611 +}
1.2612 +
1.2613 +/* AString getContents (in string mimeType, in boolean selectionOnly); */
1.2614 +NS_IMETHODIMP nsDocumentViewer::GetContents(const char *mimeType, bool selectionOnly, nsAString& aOutValue)
1.2615 +{
1.2616 + aOutValue.Truncate();
1.2617 +
1.2618 + NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED);
1.2619 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_INITIALIZED);
1.2620 +
1.2621 + // Now we have the selection. Make sure it's nonzero:
1.2622 + nsCOMPtr<nsISelection> sel;
1.2623 + if (selectionOnly) {
1.2624 + nsCopySupport::GetSelectionForCopy(mDocument, getter_AddRefs(sel));
1.2625 + NS_ENSURE_TRUE(sel, NS_ERROR_FAILURE);
1.2626 +
1.2627 + bool isCollapsed;
1.2628 + sel->GetIsCollapsed(&isCollapsed);
1.2629 + if (isCollapsed)
1.2630 + return NS_OK;
1.2631 + }
1.2632 +
1.2633 + // call the copy code
1.2634 + return nsCopySupport::GetContents(nsDependentCString(mimeType), 0, sel,
1.2635 + mDocument, aOutValue);
1.2636 +}
1.2637 +
1.2638 +/* readonly attribute boolean canGetContents; */
1.2639 +NS_IMETHODIMP nsDocumentViewer::GetCanGetContents(bool *aCanGetContents)
1.2640 +{
1.2641 + NS_ENSURE_ARG_POINTER(aCanGetContents);
1.2642 + *aCanGetContents = false;
1.2643 + NS_ENSURE_STATE(mDocument);
1.2644 + *aCanGetContents = nsCopySupport::CanCopy(mDocument);
1.2645 + return NS_OK;
1.2646 +}
1.2647 +
1.2648 +
1.2649 +/* ========================================================================================
1.2650 + * nsIContentViewerFile
1.2651 + * ======================================================================================== */
1.2652 +/** ---------------------------------------------------
1.2653 + * See documentation above in the nsIContentViewerfile class definition
1.2654 + * @update 01/24/00 dwc
1.2655 + */
1.2656 +NS_IMETHODIMP
1.2657 +nsDocumentViewer::Print(bool aSilent,
1.2658 + FILE * aDebugFile,
1.2659 + nsIPrintSettings* aPrintSettings)
1.2660 +{
1.2661 +#ifdef NS_PRINTING
1.2662 + nsCOMPtr<nsIPrintSettings> printSettings;
1.2663 +
1.2664 +#ifdef DEBUG
1.2665 + nsresult rv = NS_ERROR_FAILURE;
1.2666 +
1.2667 + mDebugFile = aDebugFile;
1.2668 + // if they don't pass in a PrintSettings, then make one
1.2669 + // it will have all the default values
1.2670 + printSettings = aPrintSettings;
1.2671 + nsCOMPtr<nsIPrintOptions> printOptions = do_GetService(sPrintOptionsContractID, &rv);
1.2672 + if (NS_SUCCEEDED(rv)) {
1.2673 + // if they don't pass in a PrintSettings, then make one
1.2674 + if (printSettings == nullptr) {
1.2675 + printOptions->CreatePrintSettings(getter_AddRefs(printSettings));
1.2676 + }
1.2677 + NS_ASSERTION(printSettings, "You can't PrintPreview without a PrintSettings!");
1.2678 + }
1.2679 + if (printSettings) printSettings->SetPrintSilent(aSilent);
1.2680 + if (printSettings) printSettings->SetShowPrintProgress(false);
1.2681 +#endif
1.2682 +
1.2683 +
1.2684 + return Print(printSettings, nullptr);
1.2685 +#else
1.2686 + return NS_ERROR_FAILURE;
1.2687 +#endif
1.2688 +}
1.2689 +
1.2690 +// nsIContentViewerFile interface
1.2691 +NS_IMETHODIMP
1.2692 +nsDocumentViewer::GetPrintable(bool *aPrintable)
1.2693 +{
1.2694 + NS_ENSURE_ARG_POINTER(aPrintable);
1.2695 +
1.2696 + *aPrintable = !GetIsPrinting();
1.2697 +
1.2698 + return NS_OK;
1.2699 +}
1.2700 +
1.2701 +//*****************************************************************************
1.2702 +// nsIMarkupDocumentViewer
1.2703 +//*****************************************************************************
1.2704 +
1.2705 +NS_IMETHODIMP nsDocumentViewer::ScrollToNode(nsIDOMNode* aNode)
1.2706 +{
1.2707 + NS_ENSURE_ARG(aNode);
1.2708 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.2709 + nsCOMPtr<nsIPresShell> presShell;
1.2710 + NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);
1.2711 +
1.2712 + // Get the nsIContent interface, because that's what we need to
1.2713 + // get the primary frame
1.2714 +
1.2715 + nsCOMPtr<nsIContent> content(do_QueryInterface(aNode));
1.2716 + NS_ENSURE_TRUE(content, NS_ERROR_FAILURE);
1.2717 +
1.2718 + // Tell the PresShell to scroll to the primary frame of the content.
1.2719 + NS_ENSURE_SUCCESS(
1.2720 + presShell->ScrollContentIntoView(content,
1.2721 + nsIPresShell::ScrollAxis(
1.2722 + nsIPresShell::SCROLL_TOP,
1.2723 + nsIPresShell::SCROLL_ALWAYS),
1.2724 + nsIPresShell::ScrollAxis(),
1.2725 + nsIPresShell::SCROLL_OVERFLOW_HIDDEN),
1.2726 + NS_ERROR_FAILURE);
1.2727 + return NS_OK;
1.2728 +}
1.2729 +
1.2730 +void
1.2731 +nsDocumentViewer::CallChildren(CallChildFunc aFunc, void* aClosure)
1.2732 +{
1.2733 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.2734 + if (docShell)
1.2735 + {
1.2736 + int32_t i;
1.2737 + int32_t n;
1.2738 + docShell->GetChildCount(&n);
1.2739 + for (i=0; i < n; i++)
1.2740 + {
1.2741 + nsCOMPtr<nsIDocShellTreeItem> child;
1.2742 + docShell->GetChildAt(i, getter_AddRefs(child));
1.2743 + nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
1.2744 + NS_ASSERTION(childAsShell, "null child in docshell");
1.2745 + if (childAsShell)
1.2746 + {
1.2747 + nsCOMPtr<nsIContentViewer> childCV;
1.2748 + childAsShell->GetContentViewer(getter_AddRefs(childCV));
1.2749 + if (childCV)
1.2750 + {
1.2751 + nsCOMPtr<nsIMarkupDocumentViewer> markupCV = do_QueryInterface(childCV);
1.2752 + if (markupCV) {
1.2753 + (*aFunc)(markupCV, aClosure);
1.2754 + }
1.2755 + }
1.2756 + }
1.2757 + }
1.2758 + }
1.2759 +}
1.2760 +
1.2761 +struct LineBoxInfo
1.2762 +{
1.2763 + nscoord mMaxLineBoxWidth;
1.2764 +};
1.2765 +
1.2766 +static void
1.2767 +ChangeChildPaintingEnabled(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.2768 +{
1.2769 + bool* enablePainting = (bool*) aClosure;
1.2770 + if (*enablePainting) {
1.2771 + aChild->ResumePainting();
1.2772 + } else {
1.2773 + aChild->PausePainting();
1.2774 + }
1.2775 +}
1.2776 +
1.2777 +static void
1.2778 +ChangeChildMaxLineBoxWidth(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.2779 +{
1.2780 + struct LineBoxInfo* lbi = (struct LineBoxInfo*) aClosure;
1.2781 + aChild->ChangeMaxLineBoxWidth(lbi->mMaxLineBoxWidth);
1.2782 +}
1.2783 +
1.2784 +struct ZoomInfo
1.2785 +{
1.2786 + float mZoom;
1.2787 +};
1.2788 +
1.2789 +static void
1.2790 +SetChildTextZoom(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.2791 +{
1.2792 + struct ZoomInfo* ZoomInfo = (struct ZoomInfo*) aClosure;
1.2793 + aChild->SetTextZoom(ZoomInfo->mZoom);
1.2794 +}
1.2795 +
1.2796 +static void
1.2797 +SetChildMinFontSize(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.2798 +{
1.2799 + nsCOMPtr<nsIMarkupDocumentViewer> branch =
1.2800 + do_QueryInterface(aChild);
1.2801 + branch->SetMinFontSize(NS_PTR_TO_INT32(aClosure));
1.2802 +}
1.2803 +
1.2804 +static void
1.2805 +SetChildFullZoom(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.2806 +{
1.2807 + struct ZoomInfo* ZoomInfo = (struct ZoomInfo*) aClosure;
1.2808 + aChild->SetFullZoom(ZoomInfo->mZoom);
1.2809 +}
1.2810 +
1.2811 +static bool
1.2812 +SetExtResourceTextZoom(nsIDocument* aDocument, void* aClosure)
1.2813 +{
1.2814 + // Would it be better to enumerate external resource viewers instead?
1.2815 + nsIPresShell* shell = aDocument->GetShell();
1.2816 + if (shell) {
1.2817 + nsPresContext* ctxt = shell->GetPresContext();
1.2818 + if (ctxt) {
1.2819 + struct ZoomInfo* ZoomInfo = static_cast<struct ZoomInfo*>(aClosure);
1.2820 + ctxt->SetTextZoom(ZoomInfo->mZoom);
1.2821 + }
1.2822 + }
1.2823 +
1.2824 + return true;
1.2825 +}
1.2826 +
1.2827 +static bool
1.2828 +SetExtResourceMinFontSize(nsIDocument* aDocument, void* aClosure)
1.2829 +{
1.2830 + nsIPresShell* shell = aDocument->GetShell();
1.2831 + if (shell) {
1.2832 + nsPresContext* ctxt = shell->GetPresContext();
1.2833 + if (ctxt) {
1.2834 + ctxt->SetBaseMinFontSize(NS_PTR_TO_INT32(aClosure));
1.2835 + }
1.2836 + }
1.2837 +
1.2838 + return true;
1.2839 +}
1.2840 +
1.2841 +static bool
1.2842 +SetExtResourceFullZoom(nsIDocument* aDocument, void* aClosure)
1.2843 +{
1.2844 + // Would it be better to enumerate external resource viewers instead?
1.2845 + nsIPresShell* shell = aDocument->GetShell();
1.2846 + if (shell) {
1.2847 + nsPresContext* ctxt = shell->GetPresContext();
1.2848 + if (ctxt) {
1.2849 + struct ZoomInfo* ZoomInfo = static_cast<struct ZoomInfo*>(aClosure);
1.2850 + ctxt->SetFullZoom(ZoomInfo->mZoom);
1.2851 + }
1.2852 + }
1.2853 +
1.2854 + return true;
1.2855 +}
1.2856 +
1.2857 +NS_IMETHODIMP
1.2858 +nsDocumentViewer::SetTextZoom(float aTextZoom)
1.2859 +{
1.2860 + // If we don't have a document, then we need to bail.
1.2861 + if (!mDocument) {
1.2862 + return NS_ERROR_FAILURE;
1.2863 + }
1.2864 +
1.2865 + if (GetIsPrintPreview()) {
1.2866 + return NS_OK;
1.2867 + }
1.2868 +
1.2869 + mTextZoom = aTextZoom;
1.2870 +
1.2871 + // Set the text zoom on all children of mContainer (even if our zoom didn't
1.2872 + // change, our children's zoom may be different, though it would be unusual).
1.2873 + // Do this first, in case kids are auto-sizing and post reflow commands on
1.2874 + // our presshell (which should be subsumed into our own style change reflow).
1.2875 + struct ZoomInfo ZoomInfo = { aTextZoom };
1.2876 + CallChildren(SetChildTextZoom, &ZoomInfo);
1.2877 +
1.2878 + // Now change our own zoom
1.2879 + nsPresContext* pc = GetPresContext();
1.2880 + if (pc && aTextZoom != mPresContext->TextZoom()) {
1.2881 + pc->SetTextZoom(aTextZoom);
1.2882 + }
1.2883 +
1.2884 + // And do the external resources
1.2885 + mDocument->EnumerateExternalResources(SetExtResourceTextZoom, &ZoomInfo);
1.2886 +
1.2887 + nsContentUtils::DispatchChromeEvent(mDocument, static_cast<nsIDocument*>(mDocument),
1.2888 + NS_LITERAL_STRING("TextZoomChange"),
1.2889 + true, true);
1.2890 +
1.2891 + return NS_OK;
1.2892 +}
1.2893 +
1.2894 +NS_IMETHODIMP
1.2895 +nsDocumentViewer::GetTextZoom(float* aTextZoom)
1.2896 +{
1.2897 + NS_ENSURE_ARG_POINTER(aTextZoom);
1.2898 + nsPresContext* pc = GetPresContext();
1.2899 + *aTextZoom = pc ? pc->TextZoom() : 1.0f;
1.2900 + return NS_OK;
1.2901 +}
1.2902 +
1.2903 +NS_IMETHODIMP
1.2904 +nsDocumentViewer::SetMinFontSize(int32_t aMinFontSize)
1.2905 +{
1.2906 + // If we don't have a document, then we need to bail.
1.2907 + if (!mDocument) {
1.2908 + return NS_ERROR_FAILURE;
1.2909 + }
1.2910 +
1.2911 + if (GetIsPrintPreview()) {
1.2912 + return NS_OK;
1.2913 + }
1.2914 +
1.2915 + mMinFontSize = aMinFontSize;
1.2916 +
1.2917 + // Set the min font on all children of mContainer (even if our min font didn't
1.2918 + // change, our children's min font may be different, though it would be unusual).
1.2919 + // Do this first, in case kids are auto-sizing and post reflow commands on
1.2920 + // our presshell (which should be subsumed into our own style change reflow).
1.2921 + CallChildren(SetChildMinFontSize, NS_INT32_TO_PTR(aMinFontSize));
1.2922 +
1.2923 + // Now change our own min font
1.2924 + nsPresContext* pc = GetPresContext();
1.2925 + if (pc && aMinFontSize != mPresContext->MinFontSize(nullptr)) {
1.2926 + pc->SetBaseMinFontSize(aMinFontSize);
1.2927 + }
1.2928 +
1.2929 + // And do the external resources
1.2930 + mDocument->EnumerateExternalResources(SetExtResourceMinFontSize,
1.2931 + NS_INT32_TO_PTR(aMinFontSize));
1.2932 +
1.2933 + return NS_OK;
1.2934 +}
1.2935 +
1.2936 +NS_IMETHODIMP
1.2937 +nsDocumentViewer::GetMinFontSize(int32_t* aMinFontSize)
1.2938 +{
1.2939 + NS_ENSURE_ARG_POINTER(aMinFontSize);
1.2940 + nsPresContext* pc = GetPresContext();
1.2941 + *aMinFontSize = pc ? pc->BaseMinFontSize() : 0;
1.2942 + return NS_OK;
1.2943 +}
1.2944 +
1.2945 +NS_IMETHODIMP
1.2946 +nsDocumentViewer::SetFullZoom(float aFullZoom)
1.2947 +{
1.2948 +#ifdef NS_PRINT_PREVIEW
1.2949 + if (GetIsPrintPreview()) {
1.2950 + nsPresContext* pc = GetPresContext();
1.2951 + NS_ENSURE_TRUE(pc, NS_OK);
1.2952 + nsCOMPtr<nsIPresShell> shell = pc->GetPresShell();
1.2953 + NS_ENSURE_TRUE(shell, NS_OK);
1.2954 +
1.2955 + if (!mPrintPreviewZoomed) {
1.2956 + mOriginalPrintPreviewScale = pc->GetPrintPreviewScale();
1.2957 + mPrintPreviewZoomed = true;
1.2958 + }
1.2959 +
1.2960 + mPrintPreviewZoom = aFullZoom;
1.2961 + pc->SetPrintPreviewScale(aFullZoom * mOriginalPrintPreviewScale);
1.2962 + nsIPageSequenceFrame* pf = shell->GetPageSequenceFrame();
1.2963 + if (pf) {
1.2964 + nsIFrame* f = do_QueryFrame(pf);
1.2965 + shell->FrameNeedsReflow(f, nsIPresShell::eResize, NS_FRAME_IS_DIRTY);
1.2966 + }
1.2967 +
1.2968 + nsIFrame* rootFrame = shell->GetRootFrame();
1.2969 + if (rootFrame) {
1.2970 + rootFrame->InvalidateFrame();
1.2971 + }
1.2972 + return NS_OK;
1.2973 + }
1.2974 +#endif
1.2975 +
1.2976 + // If we don't have a document, then we need to bail.
1.2977 + if (!mDocument) {
1.2978 + return NS_ERROR_FAILURE;
1.2979 + }
1.2980 +
1.2981 + mPageZoom = aFullZoom;
1.2982 +
1.2983 + struct ZoomInfo ZoomInfo = { aFullZoom };
1.2984 + CallChildren(SetChildFullZoom, &ZoomInfo);
1.2985 +
1.2986 + nsPresContext* pc = GetPresContext();
1.2987 + if (pc) {
1.2988 + pc->SetFullZoom(aFullZoom);
1.2989 + }
1.2990 +
1.2991 + // And do the external resources
1.2992 + mDocument->EnumerateExternalResources(SetExtResourceFullZoom, &ZoomInfo);
1.2993 +
1.2994 + nsContentUtils::DispatchChromeEvent(mDocument, static_cast<nsIDocument*>(mDocument),
1.2995 + NS_LITERAL_STRING("FullZoomChange"),
1.2996 + true, true);
1.2997 +
1.2998 + return NS_OK;
1.2999 +}
1.3000 +
1.3001 +NS_IMETHODIMP
1.3002 +nsDocumentViewer::GetFullZoom(float* aFullZoom)
1.3003 +{
1.3004 + NS_ENSURE_ARG_POINTER(aFullZoom);
1.3005 +#ifdef NS_PRINT_PREVIEW
1.3006 + if (GetIsPrintPreview()) {
1.3007 + *aFullZoom = mPrintPreviewZoom;
1.3008 + return NS_OK;
1.3009 + }
1.3010 +#endif
1.3011 + // Check the prescontext first because it might have a temporary
1.3012 + // setting for print-preview
1.3013 + nsPresContext* pc = GetPresContext();
1.3014 + *aFullZoom = pc ? pc->GetFullZoom() : mPageZoom;
1.3015 + return NS_OK;
1.3016 +}
1.3017 +
1.3018 +static void
1.3019 +SetChildAuthorStyleDisabled(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3020 +{
1.3021 + bool styleDisabled = *static_cast<bool*>(aClosure);
1.3022 + aChild->SetAuthorStyleDisabled(styleDisabled);
1.3023 +}
1.3024 +
1.3025 +
1.3026 +NS_IMETHODIMP
1.3027 +nsDocumentViewer::SetAuthorStyleDisabled(bool aStyleDisabled)
1.3028 +{
1.3029 + if (mPresShell) {
1.3030 + mPresShell->SetAuthorStyleDisabled(aStyleDisabled);
1.3031 + }
1.3032 + CallChildren(SetChildAuthorStyleDisabled, &aStyleDisabled);
1.3033 + return NS_OK;
1.3034 +}
1.3035 +
1.3036 +NS_IMETHODIMP
1.3037 +nsDocumentViewer::GetAuthorStyleDisabled(bool* aStyleDisabled)
1.3038 +{
1.3039 + if (mPresShell) {
1.3040 + *aStyleDisabled = mPresShell->GetAuthorStyleDisabled();
1.3041 + } else {
1.3042 + *aStyleDisabled = false;
1.3043 + }
1.3044 + return NS_OK;
1.3045 +}
1.3046 +
1.3047 +static bool
1.3048 +ExtResourceEmulateMedium(nsIDocument* aDocument, void* aClosure)
1.3049 +{
1.3050 + nsIPresShell* shell = aDocument->GetShell();
1.3051 + if (shell) {
1.3052 + nsPresContext* ctxt = shell->GetPresContext();
1.3053 + if (ctxt) {
1.3054 + const nsAString* mediaType = static_cast<nsAString*>(aClosure);
1.3055 + ctxt->EmulateMedium(*mediaType);
1.3056 + }
1.3057 + }
1.3058 +
1.3059 + return true;
1.3060 +}
1.3061 +
1.3062 +static void
1.3063 +ChildEmulateMedium(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3064 +{
1.3065 + const nsAString* mediaType = static_cast<nsAString*>(aClosure);
1.3066 + aChild->EmulateMedium(*mediaType);
1.3067 +}
1.3068 +
1.3069 +NS_IMETHODIMP
1.3070 +nsDocumentViewer::EmulateMedium(const nsAString& aMediaType)
1.3071 +{
1.3072 + if (mPresContext) {
1.3073 + mPresContext->EmulateMedium(aMediaType);
1.3074 + }
1.3075 + CallChildren(ChildEmulateMedium, const_cast<nsAString*>(&aMediaType));
1.3076 +
1.3077 + if (mDocument) {
1.3078 + mDocument->EnumerateExternalResources(ExtResourceEmulateMedium,
1.3079 + const_cast<nsAString*>(&aMediaType));
1.3080 + }
1.3081 +
1.3082 + return NS_OK;
1.3083 +}
1.3084 +
1.3085 +static bool
1.3086 +ExtResourceStopEmulatingMedium(nsIDocument* aDocument, void* aClosure)
1.3087 +{
1.3088 + nsIPresShell* shell = aDocument->GetShell();
1.3089 + if (shell) {
1.3090 + nsPresContext* ctxt = shell->GetPresContext();
1.3091 + if (ctxt) {
1.3092 + ctxt->StopEmulatingMedium();
1.3093 + }
1.3094 + }
1.3095 +
1.3096 + return true;
1.3097 +}
1.3098 +
1.3099 +static void
1.3100 +ChildStopEmulatingMedium(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3101 +{
1.3102 + aChild->StopEmulatingMedium();
1.3103 +}
1.3104 +
1.3105 +NS_IMETHODIMP
1.3106 +nsDocumentViewer::StopEmulatingMedium()
1.3107 +{
1.3108 + if (mPresContext) {
1.3109 + mPresContext->StopEmulatingMedium();
1.3110 + }
1.3111 + CallChildren(ChildStopEmulatingMedium, nullptr);
1.3112 +
1.3113 + if (mDocument) {
1.3114 + mDocument->EnumerateExternalResources(ExtResourceStopEmulatingMedium,
1.3115 + nullptr);
1.3116 + }
1.3117 +
1.3118 + return NS_OK;
1.3119 +}
1.3120 +
1.3121 +NS_IMETHODIMP nsDocumentViewer::GetForceCharacterSet(nsACString& aForceCharacterSet)
1.3122 +{
1.3123 + aForceCharacterSet = mForceCharacterSet;
1.3124 + return NS_OK;
1.3125 +}
1.3126 +
1.3127 +static void
1.3128 +SetChildForceCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3129 +{
1.3130 + const nsACString* charset = static_cast<nsACString*>(aClosure);
1.3131 + aChild->SetForceCharacterSet(*charset);
1.3132 +}
1.3133 +
1.3134 +NS_IMETHODIMP
1.3135 +nsDocumentViewer::SetForceCharacterSet(const nsACString& aForceCharacterSet)
1.3136 +{
1.3137 + mForceCharacterSet = aForceCharacterSet;
1.3138 + // now set the force char set on all children of mContainer
1.3139 + CallChildren(SetChildForceCharacterSet, (void*) &aForceCharacterSet);
1.3140 + return NS_OK;
1.3141 +}
1.3142 +
1.3143 +NS_IMETHODIMP nsDocumentViewer::GetHintCharacterSet(nsACString& aHintCharacterSet)
1.3144 +{
1.3145 +
1.3146 + if(kCharsetUninitialized == mHintCharsetSource) {
1.3147 + aHintCharacterSet.Truncate();
1.3148 + } else {
1.3149 + aHintCharacterSet = mHintCharset;
1.3150 + // this can't possibly be right. we can't set a value just because somebody got a related value!
1.3151 + //mHintCharsetSource = kCharsetUninitialized;
1.3152 + }
1.3153 + return NS_OK;
1.3154 +}
1.3155 +
1.3156 +NS_IMETHODIMP nsDocumentViewer::GetHintCharacterSetSource(int32_t *aHintCharacterSetSource)
1.3157 +{
1.3158 + NS_ENSURE_ARG_POINTER(aHintCharacterSetSource);
1.3159 +
1.3160 + *aHintCharacterSetSource = mHintCharsetSource;
1.3161 + return NS_OK;
1.3162 +}
1.3163 +
1.3164 +static void
1.3165 +SetChildHintCharacterSetSource(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3166 +{
1.3167 + aChild->SetHintCharacterSetSource(NS_PTR_TO_INT32(aClosure));
1.3168 +}
1.3169 +
1.3170 +NS_IMETHODIMP
1.3171 +nsDocumentViewer::SetHintCharacterSetSource(int32_t aHintCharacterSetSource)
1.3172 +{
1.3173 + mHintCharsetSource = aHintCharacterSetSource;
1.3174 + // now set the hint char set source on all children of mContainer
1.3175 + CallChildren(SetChildHintCharacterSetSource,
1.3176 + NS_INT32_TO_PTR(aHintCharacterSetSource));
1.3177 + return NS_OK;
1.3178 +}
1.3179 +
1.3180 +static void
1.3181 +SetChildHintCharacterSet(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3182 +{
1.3183 + const nsACString* charset = static_cast<nsACString*>(aClosure);
1.3184 + aChild->SetHintCharacterSet(*charset);
1.3185 +}
1.3186 +
1.3187 +NS_IMETHODIMP
1.3188 +nsDocumentViewer::SetHintCharacterSet(const nsACString& aHintCharacterSet)
1.3189 +{
1.3190 + mHintCharset = aHintCharacterSet;
1.3191 + // now set the hint char set on all children of mContainer
1.3192 + CallChildren(SetChildHintCharacterSet, (void*) &aHintCharacterSet);
1.3193 + return NS_OK;
1.3194 +}
1.3195 +
1.3196 +static void
1.3197 +AppendChildSubtree(nsIMarkupDocumentViewer* aChild, void* aClosure)
1.3198 +{
1.3199 + nsTArray<nsCOMPtr<nsIMarkupDocumentViewer> >& array =
1.3200 + *static_cast<nsTArray<nsCOMPtr<nsIMarkupDocumentViewer> >*>(aClosure);
1.3201 + aChild->AppendSubtree(array);
1.3202 +}
1.3203 +
1.3204 +NS_IMETHODIMP nsDocumentViewer::AppendSubtree(nsTArray<nsCOMPtr<nsIMarkupDocumentViewer> >& aArray)
1.3205 +{
1.3206 + aArray.AppendElement(this);
1.3207 + CallChildren(AppendChildSubtree, &aArray);
1.3208 + return NS_OK;
1.3209 +}
1.3210 +
1.3211 +NS_IMETHODIMP
1.3212 +nsDocumentViewer::PausePainting()
1.3213 +{
1.3214 + bool enablePaint = false;
1.3215 + CallChildren(ChangeChildPaintingEnabled, &enablePaint);
1.3216 +
1.3217 + nsIPresShell* presShell = GetPresShell();
1.3218 + if (presShell) {
1.3219 + presShell->PausePainting();
1.3220 + }
1.3221 +
1.3222 + return NS_OK;
1.3223 +}
1.3224 +
1.3225 +NS_IMETHODIMP
1.3226 +nsDocumentViewer::ResumePainting()
1.3227 +{
1.3228 + bool enablePaint = true;
1.3229 + CallChildren(ChangeChildPaintingEnabled, &enablePaint);
1.3230 +
1.3231 + nsIPresShell* presShell = GetPresShell();
1.3232 + if (presShell) {
1.3233 + presShell->ResumePainting();
1.3234 + }
1.3235 +
1.3236 + return NS_OK;
1.3237 +}
1.3238 +
1.3239 +NS_IMETHODIMP
1.3240 +nsDocumentViewer::ChangeMaxLineBoxWidth(int32_t aMaxLineBoxWidth)
1.3241 +{
1.3242 + // Change the max line box width for all children.
1.3243 + struct LineBoxInfo lbi = { aMaxLineBoxWidth };
1.3244 + CallChildren(ChangeChildMaxLineBoxWidth, &lbi);
1.3245 +
1.3246 + // Now, change our max line box width.
1.3247 + // Convert to app units, since our input is in CSS pixels.
1.3248 + nscoord mlbw = nsPresContext::CSSPixelsToAppUnits(aMaxLineBoxWidth);
1.3249 + nsIPresShell* presShell = GetPresShell();
1.3250 + if (presShell) {
1.3251 + presShell->SetMaxLineBoxWidth(mlbw);
1.3252 + }
1.3253 +
1.3254 + return NS_OK;
1.3255 +}
1.3256 +
1.3257 +NS_IMETHODIMP
1.3258 +nsDocumentViewer::GetContentSize(int32_t* aWidth, int32_t* aHeight)
1.3259 +{
1.3260 + NS_ENSURE_TRUE(mDocument, NS_ERROR_NOT_AVAILABLE);
1.3261 +
1.3262 + // Skip doing this on docshell-less documents for now
1.3263 + nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(mContainer);
1.3264 + NS_ENSURE_TRUE(docShellAsItem, NS_ERROR_NOT_AVAILABLE);
1.3265 +
1.3266 + nsCOMPtr<nsIDocShellTreeItem> docShellParent;
1.3267 + docShellAsItem->GetSameTypeParent(getter_AddRefs(docShellParent));
1.3268 +
1.3269 + // It's only valid to access this from a top frame. Doesn't work from
1.3270 + // sub-frames.
1.3271 + NS_ENSURE_TRUE(!docShellParent, NS_ERROR_FAILURE);
1.3272 +
1.3273 + nsCOMPtr<nsIPresShell> presShell;
1.3274 + GetPresShell(getter_AddRefs(presShell));
1.3275 + NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
1.3276 +
1.3277 + // Flush out all content and style updates. We can't use a resize reflow
1.3278 + // because it won't change some sizes that a style change reflow will.
1.3279 + mDocument->FlushPendingNotifications(Flush_Layout);
1.3280 +
1.3281 + nsIFrame *root = presShell->GetRootFrame();
1.3282 + NS_ENSURE_TRUE(root, NS_ERROR_FAILURE);
1.3283 +
1.3284 + nscoord prefWidth;
1.3285 + {
1.3286 + nsRefPtr<nsRenderingContext> rcx =
1.3287 + presShell->CreateReferenceRenderingContext();
1.3288 + prefWidth = root->GetPrefWidth(rcx);
1.3289 + }
1.3290 +
1.3291 + nsresult rv = presShell->ResizeReflow(prefWidth, NS_UNCONSTRAINEDSIZE);
1.3292 + NS_ENSURE_SUCCESS(rv, rv);
1.3293 +
1.3294 + nsRefPtr<nsPresContext> presContext;
1.3295 + GetPresContext(getter_AddRefs(presContext));
1.3296 + NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
1.3297 +
1.3298 + // so how big is it?
1.3299 + nsRect shellArea = presContext->GetVisibleArea();
1.3300 + // Protect against bogus returns here
1.3301 + NS_ENSURE_TRUE(shellArea.width != NS_UNCONSTRAINEDSIZE &&
1.3302 + shellArea.height != NS_UNCONSTRAINEDSIZE,
1.3303 + NS_ERROR_FAILURE);
1.3304 +
1.3305 + *aWidth = presContext->AppUnitsToDevPixels(shellArea.width);
1.3306 + *aHeight = presContext->AppUnitsToDevPixels(shellArea.height);
1.3307 +
1.3308 + return NS_OK;
1.3309 +}
1.3310 +
1.3311 +
1.3312 +NS_IMPL_ISUPPORTS(nsDocViewerSelectionListener, nsISelectionListener)
1.3313 +
1.3314 +nsresult nsDocViewerSelectionListener::Init(nsDocumentViewer *aDocViewer)
1.3315 +{
1.3316 + mDocViewer = aDocViewer;
1.3317 + return NS_OK;
1.3318 +}
1.3319 +
1.3320 +/*
1.3321 + * GetPopupNode, GetPopupLinkNode and GetPopupImageNode are helpers
1.3322 + * for the cmd_copyLink / cmd_copyImageLocation / cmd_copyImageContents family
1.3323 + * of commands. The focus controller stores the popup node, these retrieve
1.3324 + * them and munge appropriately. Note that we have to store the popup node
1.3325 + * rather than retrieving it from EventStateManager::GetFocusedContent because
1.3326 + * not all content (images included) can receive focus.
1.3327 + */
1.3328 +
1.3329 +nsresult
1.3330 +nsDocumentViewer::GetPopupNode(nsIDOMNode** aNode)
1.3331 +{
1.3332 + NS_ENSURE_ARG_POINTER(aNode);
1.3333 +
1.3334 + *aNode = nullptr;
1.3335 +
1.3336 + // get the document
1.3337 + nsIDocument* document = GetDocument();
1.3338 + NS_ENSURE_TRUE(document, NS_ERROR_FAILURE);
1.3339 +
1.3340 + // get the private dom window
1.3341 + nsCOMPtr<nsPIDOMWindow> window(document->GetWindow());
1.3342 + NS_ENSURE_TRUE(window, NS_ERROR_NOT_AVAILABLE);
1.3343 + if (window) {
1.3344 + nsCOMPtr<nsPIWindowRoot> root = window->GetTopWindowRoot();
1.3345 + NS_ENSURE_TRUE(root, NS_ERROR_FAILURE);
1.3346 +
1.3347 + // get the popup node
1.3348 + nsCOMPtr<nsIDOMNode> node = root->GetPopupNode();
1.3349 +#ifdef MOZ_XUL
1.3350 + if (!node) {
1.3351 + nsPIDOMWindow* rootWindow = root->GetWindow();
1.3352 + if (rootWindow) {
1.3353 + nsCOMPtr<nsIDocument> rootDoc = rootWindow->GetExtantDoc();
1.3354 + if (rootDoc) {
1.3355 + nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
1.3356 + if (pm) {
1.3357 + node = pm->GetLastTriggerPopupNode(rootDoc);
1.3358 + }
1.3359 + }
1.3360 + }
1.3361 + }
1.3362 +#endif
1.3363 + node.swap(*aNode);
1.3364 + }
1.3365 +
1.3366 + return NS_OK;
1.3367 +}
1.3368 +
1.3369 +// GetPopupLinkNode: return popup link node or fail
1.3370 +nsresult
1.3371 +nsDocumentViewer::GetPopupLinkNode(nsIDOMNode** aNode)
1.3372 +{
1.3373 + NS_ENSURE_ARG_POINTER(aNode);
1.3374 +
1.3375 + // you get null unless i say so
1.3376 + *aNode = nullptr;
1.3377 +
1.3378 + // find popup node
1.3379 + nsCOMPtr<nsIDOMNode> node;
1.3380 + nsresult rv = GetPopupNode(getter_AddRefs(node));
1.3381 + NS_ENSURE_SUCCESS(rv, rv);
1.3382 +
1.3383 + // find out if we have a link in our ancestry
1.3384 + while (node) {
1.3385 +
1.3386 + nsCOMPtr<nsIContent> content(do_QueryInterface(node));
1.3387 + if (content) {
1.3388 + nsCOMPtr<nsIURI> hrefURI = content->GetHrefURI();
1.3389 + if (hrefURI) {
1.3390 + *aNode = node;
1.3391 + NS_IF_ADDREF(*aNode); // addref
1.3392 + return NS_OK;
1.3393 + }
1.3394 + }
1.3395 +
1.3396 + // get our parent and keep trying...
1.3397 + nsCOMPtr<nsIDOMNode> parentNode;
1.3398 + node->GetParentNode(getter_AddRefs(parentNode));
1.3399 + node = parentNode;
1.3400 + }
1.3401 +
1.3402 + // if we have no node, fail
1.3403 + return NS_ERROR_FAILURE;
1.3404 +}
1.3405 +
1.3406 +// GetPopupLinkNode: return popup image node or fail
1.3407 +nsresult
1.3408 +nsDocumentViewer::GetPopupImageNode(nsIImageLoadingContent** aNode)
1.3409 +{
1.3410 + NS_ENSURE_ARG_POINTER(aNode);
1.3411 +
1.3412 + // you get null unless i say so
1.3413 + *aNode = nullptr;
1.3414 +
1.3415 + // find popup node
1.3416 + nsCOMPtr<nsIDOMNode> node;
1.3417 + nsresult rv = GetPopupNode(getter_AddRefs(node));
1.3418 + NS_ENSURE_SUCCESS(rv, rv);
1.3419 +
1.3420 + if (node)
1.3421 + CallQueryInterface(node, aNode);
1.3422 +
1.3423 + return NS_OK;
1.3424 +}
1.3425 +
1.3426 +/*
1.3427 + * XXX dr
1.3428 + * ------
1.3429 + * These two functions -- GetInLink and GetInImage -- are kind of annoying
1.3430 + * in that they only get called from the controller (in
1.3431 + * nsDOMWindowController::IsCommandEnabled). The actual construction of the
1.3432 + * context menus in communicator (nsContextMenu.js) has its own, redundant
1.3433 + * tests. No big deal, but good to keep in mind if we ever clean context
1.3434 + * menus.
1.3435 + */
1.3436 +
1.3437 +NS_IMETHODIMP nsDocumentViewer::GetInLink(bool* aInLink)
1.3438 +{
1.3439 +#ifdef DEBUG_dr
1.3440 + printf("dr :: nsDocumentViewer::GetInLink\n");
1.3441 +#endif
1.3442 +
1.3443 + NS_ENSURE_ARG_POINTER(aInLink);
1.3444 +
1.3445 + // we're not in a link unless i say so
1.3446 + *aInLink = false;
1.3447 +
1.3448 + // get the popup link
1.3449 + nsCOMPtr<nsIDOMNode> node;
1.3450 + nsresult rv = GetPopupLinkNode(getter_AddRefs(node));
1.3451 + if (NS_FAILED(rv)) return rv;
1.3452 + NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
1.3453 +
1.3454 + // if we made it here, we're in a link
1.3455 + *aInLink = true;
1.3456 + return NS_OK;
1.3457 +}
1.3458 +
1.3459 +NS_IMETHODIMP nsDocumentViewer::GetInImage(bool* aInImage)
1.3460 +{
1.3461 +#ifdef DEBUG_dr
1.3462 + printf("dr :: nsDocumentViewer::GetInImage\n");
1.3463 +#endif
1.3464 +
1.3465 + NS_ENSURE_ARG_POINTER(aInImage);
1.3466 +
1.3467 + // we're not in an image unless i say so
1.3468 + *aInImage = false;
1.3469 +
1.3470 + // get the popup image
1.3471 + nsCOMPtr<nsIImageLoadingContent> node;
1.3472 + nsresult rv = GetPopupImageNode(getter_AddRefs(node));
1.3473 + if (NS_FAILED(rv)) return rv;
1.3474 + NS_ENSURE_TRUE(node, NS_ERROR_FAILURE);
1.3475 +
1.3476 + // if we made it here, we're in an image
1.3477 + *aInImage = true;
1.3478 + return NS_OK;
1.3479 +}
1.3480 +
1.3481 +NS_IMETHODIMP nsDocViewerSelectionListener::NotifySelectionChanged(nsIDOMDocument *, nsISelection *, int16_t)
1.3482 +{
1.3483 + NS_ASSERTION(mDocViewer, "Should have doc viewer!");
1.3484 +
1.3485 + // get the selection state
1.3486 + nsCOMPtr<nsISelection> selection;
1.3487 + nsresult rv = mDocViewer->GetDocumentSelection(getter_AddRefs(selection));
1.3488 + if (NS_FAILED(rv)) return rv;
1.3489 +
1.3490 + bool selectionCollapsed;
1.3491 + selection->GetIsCollapsed(&selectionCollapsed);
1.3492 + // we only call UpdateCommands when the selection changes from collapsed
1.3493 + // to non-collapsed or vice versa. We might need another update string
1.3494 + // for simple selection changes, but that would be expenseive.
1.3495 + if (!mGotSelectionState || mSelectionWasCollapsed != selectionCollapsed)
1.3496 + {
1.3497 + nsIDocument* theDoc = mDocViewer->GetDocument();
1.3498 + if (!theDoc) return NS_ERROR_FAILURE;
1.3499 +
1.3500 + nsPIDOMWindow *domWindow = theDoc->GetWindow();
1.3501 + if (!domWindow) return NS_ERROR_FAILURE;
1.3502 +
1.3503 + domWindow->UpdateCommands(NS_LITERAL_STRING("select"));
1.3504 + mGotSelectionState = true;
1.3505 + mSelectionWasCollapsed = selectionCollapsed;
1.3506 + }
1.3507 +
1.3508 + return NS_OK;
1.3509 +}
1.3510 +
1.3511 +//nsDocViewerFocusListener
1.3512 +NS_IMPL_ISUPPORTS(nsDocViewerFocusListener,
1.3513 + nsIDOMEventListener)
1.3514 +
1.3515 +nsDocViewerFocusListener::nsDocViewerFocusListener()
1.3516 +:mDocViewer(nullptr)
1.3517 +{
1.3518 +}
1.3519 +
1.3520 +nsDocViewerFocusListener::~nsDocViewerFocusListener(){}
1.3521 +
1.3522 +nsresult
1.3523 +nsDocViewerFocusListener::HandleEvent(nsIDOMEvent* aEvent)
1.3524 +{
1.3525 + NS_ENSURE_STATE(mDocViewer);
1.3526 +
1.3527 + nsCOMPtr<nsIPresShell> shell;
1.3528 + mDocViewer->GetPresShell(getter_AddRefs(shell));
1.3529 + NS_ENSURE_TRUE(shell, NS_ERROR_FAILURE);
1.3530 +
1.3531 + nsCOMPtr<nsISelectionController> selCon = do_QueryInterface(shell);
1.3532 + int16_t selectionStatus;
1.3533 + selCon->GetDisplaySelection(&selectionStatus);
1.3534 +
1.3535 + nsAutoString eventType;
1.3536 + aEvent->GetType(eventType);
1.3537 + if (eventType.EqualsLiteral("focus")) {
1.3538 + // If selection was disabled, re-enable it.
1.3539 + if(selectionStatus == nsISelectionController::SELECTION_DISABLED ||
1.3540 + selectionStatus == nsISelectionController::SELECTION_HIDDEN) {
1.3541 + selCon->SetDisplaySelection(nsISelectionController::SELECTION_ON);
1.3542 + selCon->RepaintSelection(nsISelectionController::SELECTION_NORMAL);
1.3543 + }
1.3544 + } else {
1.3545 + NS_ABORT_IF_FALSE(eventType.EqualsLiteral("blur"),
1.3546 + "Unexpected event type");
1.3547 + // If selection was on, disable it.
1.3548 + if(selectionStatus == nsISelectionController::SELECTION_ON ||
1.3549 + selectionStatus == nsISelectionController::SELECTION_ATTENTION) {
1.3550 + selCon->SetDisplaySelection(nsISelectionController::SELECTION_DISABLED);
1.3551 + selCon->RepaintSelection(nsISelectionController::SELECTION_NORMAL);
1.3552 + }
1.3553 + }
1.3554 +
1.3555 + return NS_OK;
1.3556 +}
1.3557 +
1.3558 +nsresult
1.3559 +nsDocViewerFocusListener::Init(nsDocumentViewer *aDocViewer)
1.3560 +{
1.3561 + mDocViewer = aDocViewer;
1.3562 + return NS_OK;
1.3563 +}
1.3564 +
1.3565 +/** ---------------------------------------------------
1.3566 + * From nsIWebBrowserPrint
1.3567 + */
1.3568 +
1.3569 +#ifdef NS_PRINTING
1.3570 +
1.3571 +NS_IMETHODIMP
1.3572 +nsDocumentViewer::Print(nsIPrintSettings* aPrintSettings,
1.3573 + nsIWebProgressListener* aWebProgressListener)
1.3574 +{
1.3575 + // Printing XUL documents is not supported.
1.3576 + nsCOMPtr<nsIXULDocument> xulDoc(do_QueryInterface(mDocument));
1.3577 + if (xulDoc) {
1.3578 + return NS_ERROR_FAILURE;
1.3579 + }
1.3580 +
1.3581 + if (!mContainer) {
1.3582 + PR_PL(("Container was destroyed yet we are still trying to use it!"));
1.3583 + return NS_ERROR_FAILURE;
1.3584 + }
1.3585 +
1.3586 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.3587 + NS_ENSURE_STATE(docShell);
1.3588 +
1.3589 + // Check to see if this document is still busy
1.3590 + // If it is busy and we aren't already "queued" up to print then
1.3591 + // Indicate there is a print pending and cache the args for later
1.3592 + uint32_t busyFlags = nsIDocShell::BUSY_FLAGS_NONE;
1.3593 + if ((NS_FAILED(docShell->GetBusyFlags(&busyFlags)) ||
1.3594 + (busyFlags != nsIDocShell::BUSY_FLAGS_NONE && busyFlags & nsIDocShell::BUSY_FLAGS_PAGE_LOADING)) &&
1.3595 + !mPrintDocIsFullyLoaded) {
1.3596 + if (!mPrintIsPending) {
1.3597 + mCachedPrintSettings = aPrintSettings;
1.3598 + mCachedPrintWebProgressListner = aWebProgressListener;
1.3599 + mPrintIsPending = true;
1.3600 + }
1.3601 + PR_PL(("Printing Stopped - document is still busy!"));
1.3602 + return NS_ERROR_GFX_PRINTER_DOC_IS_BUSY;
1.3603 + }
1.3604 +
1.3605 + if (!mDocument || !mDeviceContext) {
1.3606 + PR_PL(("Can't Print without a document and a device context"));
1.3607 + return NS_ERROR_FAILURE;
1.3608 + }
1.3609 +
1.3610 + nsresult rv;
1.3611 +
1.3612 + // if we are printing another URL, then exit
1.3613 + // the reason we check here is because this method can be called while
1.3614 + // another is still in here (the printing dialog is a good example).
1.3615 + // the only time we can print more than one job at a time is the regression tests
1.3616 + if (GetIsPrinting()) {
1.3617 + // Let the user know we are not ready to print.
1.3618 + rv = NS_ERROR_NOT_AVAILABLE;
1.3619 + nsPrintEngine::ShowPrintErrorDialog(rv);
1.3620 + return rv;
1.3621 + }
1.3622 +
1.3623 + nsAutoPtr<nsPrintEventDispatcher> beforeAndAfterPrint(
1.3624 + new nsPrintEventDispatcher(mDocument));
1.3625 + NS_ENSURE_STATE(!GetIsPrinting());
1.3626 + // If we are hosting a full-page plugin, tell it to print
1.3627 + // first. It shows its own native print UI.
1.3628 + nsCOMPtr<nsIPluginDocument> pDoc(do_QueryInterface(mDocument));
1.3629 + if (pDoc)
1.3630 + return pDoc->Print();
1.3631 +
1.3632 + if (!mPrintEngine) {
1.3633 + NS_ENSURE_STATE(mDeviceContext);
1.3634 + mPrintEngine = new nsPrintEngine();
1.3635 +
1.3636 + rv = mPrintEngine->Initialize(this, mContainer, mDocument,
1.3637 + float(mDeviceContext->AppUnitsPerCSSInch()) /
1.3638 + float(mDeviceContext->AppUnitsPerDevPixel()) /
1.3639 + mPageZoom,
1.3640 +#ifdef DEBUG
1.3641 + mDebugFile
1.3642 +#else
1.3643 + nullptr
1.3644 +#endif
1.3645 + );
1.3646 + if (NS_FAILED(rv)) {
1.3647 + mPrintEngine->Destroy();
1.3648 + mPrintEngine = nullptr;
1.3649 + return rv;
1.3650 + }
1.3651 + }
1.3652 + if (mPrintEngine->HasPrintCallbackCanvas()) {
1.3653 + mBeforeAndAfterPrint = beforeAndAfterPrint;
1.3654 + }
1.3655 + dom::Element* root = mDocument->GetRootElement();
1.3656 + if (root && root->HasAttr(kNameSpaceID_None, nsGkAtoms::mozdisallowselectionprint)) {
1.3657 + mPrintEngine->SetDisallowSelectionPrint(true);
1.3658 + }
1.3659 + if (root && root->HasAttr(kNameSpaceID_None, nsGkAtoms::moznomarginboxes)) {
1.3660 + mPrintEngine->SetNoMarginBoxes(true);
1.3661 + }
1.3662 + rv = mPrintEngine->Print(aPrintSettings, aWebProgressListener);
1.3663 + if (NS_FAILED(rv)) {
1.3664 + OnDonePrinting();
1.3665 + }
1.3666 + return rv;
1.3667 +}
1.3668 +
1.3669 +NS_IMETHODIMP
1.3670 +nsDocumentViewer::PrintPreview(nsIPrintSettings* aPrintSettings,
1.3671 + nsIDOMWindow *aChildDOMWin,
1.3672 + nsIWebProgressListener* aWebProgressListener)
1.3673 +{
1.3674 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.3675 + NS_WARN_IF_FALSE(IsInitializedForPrintPreview(),
1.3676 + "Using docshell.printPreview is the preferred way for print previewing!");
1.3677 +
1.3678 + NS_ENSURE_ARG_POINTER(aChildDOMWin);
1.3679 + nsresult rv = NS_OK;
1.3680 +
1.3681 + if (GetIsPrinting()) {
1.3682 + nsPrintEngine::CloseProgressDialog(aWebProgressListener);
1.3683 + return NS_ERROR_FAILURE;
1.3684 + }
1.3685 +
1.3686 + // Printing XUL documents is not supported.
1.3687 + nsCOMPtr<nsIXULDocument> xulDoc(do_QueryInterface(mDocument));
1.3688 + if (xulDoc) {
1.3689 + nsPrintEngine::CloseProgressDialog(aWebProgressListener);
1.3690 + return NS_ERROR_FAILURE;
1.3691 + }
1.3692 +
1.3693 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.3694 + if (!docShell || !mDeviceContext) {
1.3695 + PR_PL(("Can't Print Preview without device context and docshell"));
1.3696 + return NS_ERROR_FAILURE;
1.3697 + }
1.3698 +
1.3699 + nsCOMPtr<nsIDOMDocument> domDoc;
1.3700 + aChildDOMWin->GetDocument(getter_AddRefs(domDoc));
1.3701 + nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
1.3702 + NS_ENSURE_STATE(doc);
1.3703 +
1.3704 + nsAutoPtr<nsPrintEventDispatcher> beforeAndAfterPrint(
1.3705 + new nsPrintEventDispatcher(doc));
1.3706 + NS_ENSURE_STATE(!GetIsPrinting());
1.3707 + if (!mPrintEngine) {
1.3708 + mPrintEngine = new nsPrintEngine();
1.3709 +
1.3710 + rv = mPrintEngine->Initialize(this, mContainer, doc,
1.3711 + float(mDeviceContext->AppUnitsPerCSSInch()) /
1.3712 + float(mDeviceContext->AppUnitsPerDevPixel()) /
1.3713 + mPageZoom,
1.3714 +#ifdef DEBUG
1.3715 + mDebugFile
1.3716 +#else
1.3717 + nullptr
1.3718 +#endif
1.3719 + );
1.3720 + if (NS_FAILED(rv)) {
1.3721 + mPrintEngine->Destroy();
1.3722 + mPrintEngine = nullptr;
1.3723 + return rv;
1.3724 + }
1.3725 + }
1.3726 + if (mPrintEngine->HasPrintCallbackCanvas()) {
1.3727 + mBeforeAndAfterPrint = beforeAndAfterPrint;
1.3728 + }
1.3729 + dom::Element* root = doc->GetRootElement();
1.3730 + if (root && root->HasAttr(kNameSpaceID_None, nsGkAtoms::mozdisallowselectionprint)) {
1.3731 + PR_PL(("PrintPreview: found mozdisallowselectionprint"));
1.3732 + mPrintEngine->SetDisallowSelectionPrint(true);
1.3733 + }
1.3734 + if (root && root->HasAttr(kNameSpaceID_None, nsGkAtoms::moznomarginboxes)) {
1.3735 + PR_PL(("PrintPreview: found moznomarginboxes"));
1.3736 + mPrintEngine->SetNoMarginBoxes(true);
1.3737 + }
1.3738 + rv = mPrintEngine->PrintPreview(aPrintSettings, aChildDOMWin, aWebProgressListener);
1.3739 + mPrintPreviewZoomed = false;
1.3740 + if (NS_FAILED(rv)) {
1.3741 + OnDonePrinting();
1.3742 + }
1.3743 + return rv;
1.3744 +#else
1.3745 + return NS_ERROR_FAILURE;
1.3746 +#endif
1.3747 +}
1.3748 +
1.3749 +//----------------------------------------------------------------------
1.3750 +NS_IMETHODIMP
1.3751 +nsDocumentViewer::PrintPreviewNavigate(int16_t aType, int32_t aPageNum)
1.3752 +{
1.3753 + if (!GetIsPrintPreview() ||
1.3754 + mPrintEngine->GetIsCreatingPrintPreview())
1.3755 + return NS_ERROR_FAILURE;
1.3756 +
1.3757 + nsIScrollableFrame* sf =
1.3758 + mPrintEngine->GetPrintPreviewPresShell()->GetRootScrollFrameAsScrollable();
1.3759 + if (!sf)
1.3760 + return NS_OK;
1.3761 +
1.3762 + // Check to see if we can short circut scrolling to the top
1.3763 + if (aType == nsIWebBrowserPrint::PRINTPREVIEW_HOME ||
1.3764 + (aType == nsIWebBrowserPrint::PRINTPREVIEW_GOTO_PAGENUM && aPageNum == 1)) {
1.3765 + sf->ScrollTo(nsPoint(0, 0), nsIScrollableFrame::INSTANT);
1.3766 + return NS_OK;
1.3767 + }
1.3768 +
1.3769 + // Finds the SimplePageSequencer frame
1.3770 + // in PP mPrtPreview->mPrintObject->mSeqFrame is null
1.3771 + nsIFrame* seqFrame = nullptr;
1.3772 + int32_t pageCount = 0;
1.3773 + if (NS_FAILED(mPrintEngine->GetSeqFrameAndCountPages(seqFrame, pageCount))) {
1.3774 + return NS_ERROR_FAILURE;
1.3775 + }
1.3776 +
1.3777 + // Figure where we are currently scrolled to
1.3778 + nsPoint pt = sf->GetScrollPosition();
1.3779 +
1.3780 + int32_t pageNum = 1;
1.3781 + nsIFrame * fndPageFrame = nullptr;
1.3782 + nsIFrame * currentPage = nullptr;
1.3783 +
1.3784 + // If it is "End" then just do a "goto" to the last page
1.3785 + if (aType == nsIWebBrowserPrint::PRINTPREVIEW_END) {
1.3786 + aType = nsIWebBrowserPrint::PRINTPREVIEW_GOTO_PAGENUM;
1.3787 + aPageNum = pageCount;
1.3788 + }
1.3789 +
1.3790 + // Now, locate the current page we are on and
1.3791 + // and the page of the page number
1.3792 + nsIFrame* pageFrame = seqFrame->GetFirstPrincipalChild();
1.3793 + while (pageFrame != nullptr) {
1.3794 + nsRect pageRect = pageFrame->GetRect();
1.3795 + if (pageRect.Contains(pageRect.x, pt.y)) {
1.3796 + currentPage = pageFrame;
1.3797 + }
1.3798 + if (pageNum == aPageNum) {
1.3799 + fndPageFrame = pageFrame;
1.3800 + break;
1.3801 + }
1.3802 + pageNum++;
1.3803 + pageFrame = pageFrame->GetNextSibling();
1.3804 + }
1.3805 +
1.3806 + if (aType == nsIWebBrowserPrint::PRINTPREVIEW_PREV_PAGE) {
1.3807 + if (currentPage) {
1.3808 + fndPageFrame = currentPage->GetPrevInFlow();
1.3809 + if (!fndPageFrame) {
1.3810 + return NS_OK;
1.3811 + }
1.3812 + } else {
1.3813 + return NS_OK;
1.3814 + }
1.3815 + } else if (aType == nsIWebBrowserPrint::PRINTPREVIEW_NEXT_PAGE) {
1.3816 + if (currentPage) {
1.3817 + fndPageFrame = currentPage->GetNextInFlow();
1.3818 + if (!fndPageFrame) {
1.3819 + return NS_OK;
1.3820 + }
1.3821 + } else {
1.3822 + return NS_OK;
1.3823 + }
1.3824 + } else { // If we get here we are doing "GoTo"
1.3825 + if (aPageNum < 0 || aPageNum > pageCount) {
1.3826 + return NS_OK;
1.3827 + }
1.3828 + }
1.3829 +
1.3830 + if (fndPageFrame) {
1.3831 + nscoord newYPosn =
1.3832 + nscoord(mPrintEngine->GetPrintPreviewScale() * fndPageFrame->GetPosition().y);
1.3833 + sf->ScrollTo(nsPoint(pt.x, newYPosn), nsIScrollableFrame::INSTANT);
1.3834 + }
1.3835 + return NS_OK;
1.3836 +
1.3837 +}
1.3838 +
1.3839 +/* readonly attribute nsIPrintSettings globalPrintSettings; */
1.3840 +NS_IMETHODIMP
1.3841 +nsDocumentViewer::GetGlobalPrintSettings(nsIPrintSettings * *aGlobalPrintSettings)
1.3842 +{
1.3843 + return nsPrintEngine::GetGlobalPrintSettings(aGlobalPrintSettings);
1.3844 +}
1.3845 +
1.3846 +/* readonly attribute boolean doingPrint; */
1.3847 +// XXX This always returns false for subdocuments
1.3848 +NS_IMETHODIMP
1.3849 +nsDocumentViewer::GetDoingPrint(bool *aDoingPrint)
1.3850 +{
1.3851 + NS_ENSURE_ARG_POINTER(aDoingPrint);
1.3852 +
1.3853 + *aDoingPrint = false;
1.3854 + if (mPrintEngine) {
1.3855 + // XXX shouldn't this be GetDoingPrint() ?
1.3856 + return mPrintEngine->GetDoingPrintPreview(aDoingPrint);
1.3857 + }
1.3858 + return NS_OK;
1.3859 +}
1.3860 +
1.3861 +/* readonly attribute boolean doingPrintPreview; */
1.3862 +// XXX This always returns false for subdocuments
1.3863 +NS_IMETHODIMP
1.3864 +nsDocumentViewer::GetDoingPrintPreview(bool *aDoingPrintPreview)
1.3865 +{
1.3866 + NS_ENSURE_ARG_POINTER(aDoingPrintPreview);
1.3867 +
1.3868 + *aDoingPrintPreview = false;
1.3869 + if (mPrintEngine) {
1.3870 + return mPrintEngine->GetDoingPrintPreview(aDoingPrintPreview);
1.3871 + }
1.3872 + return NS_OK;
1.3873 +}
1.3874 +
1.3875 +/* readonly attribute nsIPrintSettings currentPrintSettings; */
1.3876 +NS_IMETHODIMP
1.3877 +nsDocumentViewer::GetCurrentPrintSettings(nsIPrintSettings * *aCurrentPrintSettings)
1.3878 +{
1.3879 + NS_ENSURE_ARG_POINTER(aCurrentPrintSettings);
1.3880 +
1.3881 + *aCurrentPrintSettings = nullptr;
1.3882 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3883 +
1.3884 + return mPrintEngine->GetCurrentPrintSettings(aCurrentPrintSettings);
1.3885 +}
1.3886 +
1.3887 +
1.3888 +/* readonly attribute nsIDOMWindow currentChildDOMWindow; */
1.3889 +NS_IMETHODIMP
1.3890 +nsDocumentViewer::GetCurrentChildDOMWindow(nsIDOMWindow * *aCurrentChildDOMWindow)
1.3891 +{
1.3892 + NS_ENSURE_ARG_POINTER(aCurrentChildDOMWindow);
1.3893 + *aCurrentChildDOMWindow = nullptr;
1.3894 + return NS_ERROR_NOT_IMPLEMENTED;
1.3895 +}
1.3896 +
1.3897 +/* void cancel (); */
1.3898 +NS_IMETHODIMP
1.3899 +nsDocumentViewer::Cancel()
1.3900 +{
1.3901 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3902 + return mPrintEngine->Cancelled();
1.3903 +}
1.3904 +
1.3905 +/* void exitPrintPreview (); */
1.3906 +NS_IMETHODIMP
1.3907 +nsDocumentViewer::ExitPrintPreview()
1.3908 +{
1.3909 + if (GetIsPrinting())
1.3910 + return NS_ERROR_FAILURE;
1.3911 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3912 +
1.3913 + if (GetIsPrintPreview()) {
1.3914 + ReturnToGalleyPresentation();
1.3915 + }
1.3916 + return NS_OK;
1.3917 +}
1.3918 +
1.3919 +//----------------------------------------------------------------------------------
1.3920 +// Enumerate all the documents for their titles
1.3921 +NS_IMETHODIMP
1.3922 +nsDocumentViewer::EnumerateDocumentNames(uint32_t* aCount,
1.3923 + char16_t*** aResult)
1.3924 +{
1.3925 +#ifdef NS_PRINTING
1.3926 + NS_ENSURE_ARG(aCount);
1.3927 + NS_ENSURE_ARG_POINTER(aResult);
1.3928 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3929 +
1.3930 + return mPrintEngine->EnumerateDocumentNames(aCount, aResult);
1.3931 +#else
1.3932 + return NS_ERROR_FAILURE;
1.3933 +#endif
1.3934 +}
1.3935 +
1.3936 +/* readonly attribute boolean isFramesetFrameSelected; */
1.3937 +NS_IMETHODIMP
1.3938 +nsDocumentViewer::GetIsFramesetFrameSelected(bool *aIsFramesetFrameSelected)
1.3939 +{
1.3940 +#ifdef NS_PRINTING
1.3941 + *aIsFramesetFrameSelected = false;
1.3942 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3943 +
1.3944 + return mPrintEngine->GetIsFramesetFrameSelected(aIsFramesetFrameSelected);
1.3945 +#else
1.3946 + return NS_ERROR_FAILURE;
1.3947 +#endif
1.3948 +}
1.3949 +
1.3950 +/* readonly attribute long printPreviewNumPages; */
1.3951 +NS_IMETHODIMP
1.3952 +nsDocumentViewer::GetPrintPreviewNumPages(int32_t *aPrintPreviewNumPages)
1.3953 +{
1.3954 +#ifdef NS_PRINTING
1.3955 + NS_ENSURE_ARG_POINTER(aPrintPreviewNumPages);
1.3956 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3957 +
1.3958 + return mPrintEngine->GetPrintPreviewNumPages(aPrintPreviewNumPages);
1.3959 +#else
1.3960 + return NS_ERROR_FAILURE;
1.3961 +#endif
1.3962 +}
1.3963 +
1.3964 +/* readonly attribute boolean isFramesetDocument; */
1.3965 +NS_IMETHODIMP
1.3966 +nsDocumentViewer::GetIsFramesetDocument(bool *aIsFramesetDocument)
1.3967 +{
1.3968 +#ifdef NS_PRINTING
1.3969 + *aIsFramesetDocument = false;
1.3970 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3971 +
1.3972 + return mPrintEngine->GetIsFramesetDocument(aIsFramesetDocument);
1.3973 +#else
1.3974 + return NS_ERROR_FAILURE;
1.3975 +#endif
1.3976 +}
1.3977 +
1.3978 +/* readonly attribute boolean isIFrameSelected; */
1.3979 +NS_IMETHODIMP
1.3980 +nsDocumentViewer::GetIsIFrameSelected(bool *aIsIFrameSelected)
1.3981 +{
1.3982 +#ifdef NS_PRINTING
1.3983 + *aIsIFrameSelected = false;
1.3984 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3985 +
1.3986 + return mPrintEngine->GetIsIFrameSelected(aIsIFrameSelected);
1.3987 +#else
1.3988 + return NS_ERROR_FAILURE;
1.3989 +#endif
1.3990 +}
1.3991 +
1.3992 +/* readonly attribute boolean isRangeSelection; */
1.3993 +NS_IMETHODIMP
1.3994 +nsDocumentViewer::GetIsRangeSelection(bool *aIsRangeSelection)
1.3995 +{
1.3996 +#ifdef NS_PRINTING
1.3997 + *aIsRangeSelection = false;
1.3998 + NS_ENSURE_TRUE(mPrintEngine, NS_ERROR_FAILURE);
1.3999 +
1.4000 + return mPrintEngine->GetIsRangeSelection(aIsRangeSelection);
1.4001 +#else
1.4002 + return NS_ERROR_FAILURE;
1.4003 +#endif
1.4004 +}
1.4005 +
1.4006 +//----------------------------------------------------------------------------------
1.4007 +// Printing/Print Preview Helpers
1.4008 +//----------------------------------------------------------------------------------
1.4009 +
1.4010 +//----------------------------------------------------------------------------------
1.4011 +// Walks the document tree and tells each DocShell whether Printing/PP is happening
1.4012 +void
1.4013 +nsDocumentViewer::SetIsPrintingInDocShellTree(nsIDocShellTreeItem* aParentNode,
1.4014 + bool aIsPrintingOrPP,
1.4015 + bool aStartAtTop)
1.4016 +{
1.4017 + nsCOMPtr<nsIDocShellTreeItem> parentItem(do_QueryInterface(aParentNode));
1.4018 +
1.4019 + // find top of "same parent" tree
1.4020 + if (aStartAtTop) {
1.4021 + if (aIsPrintingOrPP) {
1.4022 + while (parentItem) {
1.4023 + nsCOMPtr<nsIDocShellTreeItem> parent;
1.4024 + parentItem->GetSameTypeParent(getter_AddRefs(parent));
1.4025 + if (!parent) {
1.4026 + break;
1.4027 + }
1.4028 + parentItem = do_QueryInterface(parent);
1.4029 + }
1.4030 + mTopContainerWhilePrinting = do_GetWeakReference(parentItem);
1.4031 + } else {
1.4032 + parentItem = do_QueryReferent(mTopContainerWhilePrinting);
1.4033 + }
1.4034 + }
1.4035 +
1.4036 + // Check to see if the DocShell's ContentViewer is printing/PP
1.4037 + nsCOMPtr<nsIContentViewerContainer> viewerContainer(do_QueryInterface(parentItem));
1.4038 + if (viewerContainer) {
1.4039 + viewerContainer->SetIsPrinting(aIsPrintingOrPP);
1.4040 + }
1.4041 +
1.4042 + if (!aParentNode) {
1.4043 + return;
1.4044 + }
1.4045 +
1.4046 + // Traverse children to see if any of them are printing.
1.4047 + int32_t n;
1.4048 + aParentNode->GetChildCount(&n);
1.4049 + for (int32_t i=0; i < n; i++) {
1.4050 + nsCOMPtr<nsIDocShellTreeItem> child;
1.4051 + aParentNode->GetChildAt(i, getter_AddRefs(child));
1.4052 + NS_ASSERTION(child, "child isn't nsIDocShell");
1.4053 + if (child) {
1.4054 + SetIsPrintingInDocShellTree(child, aIsPrintingOrPP, false);
1.4055 + }
1.4056 + }
1.4057 +
1.4058 +}
1.4059 +#endif // NS_PRINTING
1.4060 +
1.4061 +bool
1.4062 +nsDocumentViewer::ShouldAttachToTopLevel()
1.4063 +{
1.4064 + if (!mParentWidget)
1.4065 + return false;
1.4066 +
1.4067 + nsCOMPtr<nsIDocShellTreeItem> containerItem(mContainer);
1.4068 + if (!containerItem)
1.4069 + return false;
1.4070 +
1.4071 + // We always attach when using puppet widgets
1.4072 + if (nsIWidget::UsePuppetWidgets())
1.4073 + return true;
1.4074 +
1.4075 +#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
1.4076 + // On windows, in the parent process we also attach, but just to
1.4077 + // chrome items
1.4078 + nsWindowType winType = mParentWidget->WindowType();
1.4079 + if ((winType == eWindowType_toplevel ||
1.4080 + winType == eWindowType_dialog ||
1.4081 + winType == eWindowType_invisible) &&
1.4082 + containerItem->ItemType() == nsIDocShellTreeItem::typeChrome) {
1.4083 + return true;
1.4084 + }
1.4085 +#endif
1.4086 +
1.4087 + return false;
1.4088 +}
1.4089 +
1.4090 +bool CollectDocuments(nsIDocument* aDocument, void* aData)
1.4091 +{
1.4092 + if (aDocument) {
1.4093 + static_cast<nsCOMArray<nsIDocument>*>(aData)->AppendObject(aDocument);
1.4094 + aDocument->EnumerateSubDocuments(CollectDocuments, aData);
1.4095 + }
1.4096 + return true;
1.4097 +}
1.4098 +
1.4099 +void
1.4100 +nsDocumentViewer::DispatchEventToWindowTree(nsIDocument* aDoc,
1.4101 + const nsAString& aEvent)
1.4102 +{
1.4103 + nsCOMArray<nsIDocument> targets;
1.4104 + CollectDocuments(aDoc, &targets);
1.4105 + for (int32_t i = 0; i < targets.Count(); ++i) {
1.4106 + nsIDocument* d = targets[i];
1.4107 + nsContentUtils::DispatchTrustedEvent(d, d->GetWindow(),
1.4108 + aEvent, false, false, nullptr);
1.4109 + }
1.4110 +}
1.4111 +
1.4112 +//------------------------------------------------------------
1.4113 +// XXX this always returns false for subdocuments
1.4114 +bool
1.4115 +nsDocumentViewer::GetIsPrinting()
1.4116 +{
1.4117 +#ifdef NS_PRINTING
1.4118 + if (mPrintEngine) {
1.4119 + return mPrintEngine->GetIsPrinting();
1.4120 + }
1.4121 +#endif
1.4122 + return false;
1.4123 +}
1.4124 +
1.4125 +//------------------------------------------------------------
1.4126 +// Notification from the PrintEngine of the current Printing status
1.4127 +void
1.4128 +nsDocumentViewer::SetIsPrinting(bool aIsPrinting)
1.4129 +{
1.4130 +#ifdef NS_PRINTING
1.4131 + // Set all the docShells in the docshell tree to be printing.
1.4132 + // that way if anyone of them tries to "navigate" it can't
1.4133 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.4134 + if (docShell || !aIsPrinting) {
1.4135 + SetIsPrintingInDocShellTree(docShell, aIsPrinting, true);
1.4136 + } else {
1.4137 + NS_WARNING("Did you close a window before printing?");
1.4138 + }
1.4139 +
1.4140 + if (!aIsPrinting) {
1.4141 + mBeforeAndAfterPrint = nullptr;
1.4142 + }
1.4143 +#endif
1.4144 +}
1.4145 +
1.4146 +//------------------------------------------------------------
1.4147 +// The PrintEngine holds the current value
1.4148 +// this called from inside the DocViewer.
1.4149 +// XXX it always returns false for subdocuments
1.4150 +bool
1.4151 +nsDocumentViewer::GetIsPrintPreview()
1.4152 +{
1.4153 +#ifdef NS_PRINTING
1.4154 + if (mPrintEngine) {
1.4155 + return mPrintEngine->GetIsPrintPreview();
1.4156 + }
1.4157 +#endif
1.4158 + return false;
1.4159 +}
1.4160 +
1.4161 +//------------------------------------------------------------
1.4162 +// Notification from the PrintEngine of the current PP status
1.4163 +void
1.4164 +nsDocumentViewer::SetIsPrintPreview(bool aIsPrintPreview)
1.4165 +{
1.4166 +#ifdef NS_PRINTING
1.4167 + // Set all the docShells in the docshell tree to be printing.
1.4168 + // that way if anyone of them tries to "navigate" it can't
1.4169 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.4170 + if (docShell || !aIsPrintPreview) {
1.4171 + SetIsPrintingInDocShellTree(docShell, aIsPrintPreview, true);
1.4172 + }
1.4173 + if (!aIsPrintPreview) {
1.4174 + mBeforeAndAfterPrint = nullptr;
1.4175 + }
1.4176 +#endif
1.4177 + if (!aIsPrintPreview) {
1.4178 + if (mPresShell) {
1.4179 + DestroyPresShell();
1.4180 + }
1.4181 + mWindow = nullptr;
1.4182 + mViewManager = nullptr;
1.4183 + mPresContext = nullptr;
1.4184 + mPresShell = nullptr;
1.4185 + }
1.4186 +}
1.4187 +
1.4188 +//----------------------------------------------------------------------------------
1.4189 +// nsIDocumentViewerPrint IFace
1.4190 +//----------------------------------------------------------------------------------
1.4191 +
1.4192 +//------------------------------------------------------------
1.4193 +void
1.4194 +nsDocumentViewer::IncrementDestroyRefCount()
1.4195 +{
1.4196 + ++mDestroyRefCount;
1.4197 +}
1.4198 +
1.4199 +//------------------------------------------------------------
1.4200 +
1.4201 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.4202 +//------------------------------------------------------------
1.4203 +// Reset ESM focus for all descendent doc shells.
1.4204 +static void
1.4205 +ResetFocusState(nsIDocShell* aDocShell)
1.4206 +{
1.4207 + nsIFocusManager* fm = nsFocusManager::GetFocusManager();
1.4208 + if (!fm)
1.4209 + return;
1.4210 +
1.4211 + nsCOMPtr<nsISimpleEnumerator> docShellEnumerator;
1.4212 + aDocShell->GetDocShellEnumerator(nsIDocShellTreeItem::typeContent,
1.4213 + nsIDocShell::ENUMERATE_FORWARDS,
1.4214 + getter_AddRefs(docShellEnumerator));
1.4215 +
1.4216 + nsCOMPtr<nsISupports> currentContainer;
1.4217 + bool hasMoreDocShells;
1.4218 + while (NS_SUCCEEDED(docShellEnumerator->HasMoreElements(&hasMoreDocShells))
1.4219 + && hasMoreDocShells) {
1.4220 + docShellEnumerator->GetNext(getter_AddRefs(currentContainer));
1.4221 + nsCOMPtr<nsIDOMWindow> win = do_GetInterface(currentContainer);
1.4222 + if (win)
1.4223 + fm->ClearFocus(win);
1.4224 + }
1.4225 +}
1.4226 +#endif // NS_PRINTING && NS_PRINT_PREVIEW
1.4227 +
1.4228 +void
1.4229 +nsDocumentViewer::ReturnToGalleyPresentation()
1.4230 +{
1.4231 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.4232 + if (!GetIsPrintPreview()) {
1.4233 + NS_ERROR("Wow, we should never get here!");
1.4234 + return;
1.4235 + }
1.4236 +
1.4237 + SetIsPrintPreview(false);
1.4238 +
1.4239 + mPrintEngine->TurnScriptingOn(true);
1.4240 + mPrintEngine->Destroy();
1.4241 + mPrintEngine = nullptr;
1.4242 +
1.4243 + nsCOMPtr<nsIDocShell> docShell(mContainer);
1.4244 + ResetFocusState(docShell);
1.4245 +
1.4246 + SetTextZoom(mTextZoom);
1.4247 + SetFullZoom(mPageZoom);
1.4248 + SetMinFontSize(mMinFontSize);
1.4249 + Show();
1.4250 +
1.4251 +#endif // NS_PRINTING && NS_PRINT_PREVIEW
1.4252 +}
1.4253 +
1.4254 +//------------------------------------------------------------
1.4255 +// This called ONLY when printing has completed and the DV
1.4256 +// is being notified that it should get rid of the PrintEngine.
1.4257 +//
1.4258 +// BUT, if we are in Print Preview then we want to ignore the
1.4259 +// notification (we do not get rid of the PrintEngine)
1.4260 +//
1.4261 +// One small caveat:
1.4262 +// This IS called from two places in this module for cleaning
1.4263 +// up when an error occurred during the start up printing
1.4264 +// and print preview
1.4265 +//
1.4266 +void
1.4267 +nsDocumentViewer::OnDonePrinting()
1.4268 +{
1.4269 +#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
1.4270 + if (mPrintEngine) {
1.4271 + nsRefPtr<nsPrintEngine> pe = mPrintEngine;
1.4272 + if (GetIsPrintPreview()) {
1.4273 + pe->DestroyPrintingData();
1.4274 + } else {
1.4275 + mPrintEngine = nullptr;
1.4276 + pe->Destroy();
1.4277 + }
1.4278 +
1.4279 + // We are done printing, now cleanup
1.4280 + if (mDeferredWindowClose) {
1.4281 + mDeferredWindowClose = false;
1.4282 + nsCOMPtr<nsIDOMWindow> win =
1.4283 + do_GetInterface(static_cast<nsIDocShell*>(mContainer));
1.4284 + if (win)
1.4285 + win->Close();
1.4286 + } else if (mClosingWhilePrinting) {
1.4287 + if (mDocument) {
1.4288 + mDocument->SetScriptGlobalObject(nullptr);
1.4289 + mDocument->Destroy();
1.4290 + mDocument = nullptr;
1.4291 + }
1.4292 + mClosingWhilePrinting = false;
1.4293 + }
1.4294 + }
1.4295 +#endif // NS_PRINTING && NS_PRINT_PREVIEW
1.4296 +}
1.4297 +
1.4298 +NS_IMETHODIMP nsDocumentViewer::SetPageMode(bool aPageMode, nsIPrintSettings* aPrintSettings)
1.4299 +{
1.4300 + // XXX Page mode is only partially working; it's currently used for
1.4301 + // reftests that require a paginated context
1.4302 + mIsPageMode = aPageMode;
1.4303 +
1.4304 + if (mPresShell) {
1.4305 + DestroyPresShell();
1.4306 + }
1.4307 +
1.4308 + if (mPresContext) {
1.4309 + DestroyPresContext();
1.4310 + }
1.4311 +
1.4312 + mViewManager = nullptr;
1.4313 + mWindow = nullptr;
1.4314 +
1.4315 + NS_ENSURE_STATE(mDocument);
1.4316 + if (aPageMode)
1.4317 + {
1.4318 + mPresContext = CreatePresContext(mDocument,
1.4319 + nsPresContext::eContext_PageLayout, FindContainerView());
1.4320 + NS_ENSURE_TRUE(mPresContext, NS_ERROR_OUT_OF_MEMORY);
1.4321 + mPresContext->SetPaginatedScrolling(true);
1.4322 + mPresContext->SetPrintSettings(aPrintSettings);
1.4323 + nsresult rv = mPresContext->Init(mDeviceContext);
1.4324 + NS_ENSURE_SUCCESS(rv, rv);
1.4325 + }
1.4326 + InitInternal(mParentWidget, nullptr, mBounds, true, false);
1.4327 +
1.4328 + Show();
1.4329 + return NS_OK;
1.4330 +}
1.4331 +
1.4332 +NS_IMETHODIMP
1.4333 +nsDocumentViewer::GetHistoryEntry(nsISHEntry **aHistoryEntry)
1.4334 +{
1.4335 + NS_IF_ADDREF(*aHistoryEntry = mSHEntry);
1.4336 + return NS_OK;
1.4337 +}
1.4338 +
1.4339 +NS_IMETHODIMP
1.4340 +nsDocumentViewer::GetIsTabModalPromptAllowed(bool *aAllowed)
1.4341 +{
1.4342 + *aAllowed = !mHidden;
1.4343 + return NS_OK;
1.4344 +}
1.4345 +
1.4346 +NS_IMETHODIMP
1.4347 +nsDocumentViewer::GetIsHidden(bool *aHidden)
1.4348 +{
1.4349 + *aHidden = mHidden;
1.4350 + return NS_OK;
1.4351 +}
1.4352 +
1.4353 +void
1.4354 +nsDocumentViewer::DestroyPresShell()
1.4355 +{
1.4356 + // Break circular reference (or something)
1.4357 + mPresShell->EndObservingDocument();
1.4358 +
1.4359 + nsCOMPtr<nsISelection> selection;
1.4360 + GetDocumentSelection(getter_AddRefs(selection));
1.4361 + nsCOMPtr<nsISelectionPrivate> selPrivate = do_QueryInterface(selection);
1.4362 + if (selPrivate && mSelectionListener)
1.4363 + selPrivate->RemoveSelectionListener(mSelectionListener);
1.4364 +
1.4365 + nsAutoScriptBlocker scriptBlocker;
1.4366 + mPresShell->Destroy();
1.4367 + mPresShell = nullptr;
1.4368 +}
1.4369 +
1.4370 +void
1.4371 +nsDocumentViewer::DestroyPresContext()
1.4372 +{
1.4373 + mPresContext->Detach();
1.4374 + mPresContext = nullptr;
1.4375 +}
1.4376 +
1.4377 +bool
1.4378 +nsDocumentViewer::IsInitializedForPrintPreview()
1.4379 +{
1.4380 + return mInitializedForPrintPreview;
1.4381 +}
1.4382 +
1.4383 +void
1.4384 +nsDocumentViewer::InitializeForPrintPreview()
1.4385 +{
1.4386 + mInitializedForPrintPreview = true;
1.4387 +}
1.4388 +
1.4389 +void
1.4390 +nsDocumentViewer::SetPrintPreviewPresentation(nsViewManager* aViewManager,
1.4391 + nsPresContext* aPresContext,
1.4392 + nsIPresShell* aPresShell)
1.4393 +{
1.4394 + if (mPresShell) {
1.4395 + DestroyPresShell();
1.4396 + }
1.4397 +
1.4398 + mWindow = nullptr;
1.4399 + mViewManager = aViewManager;
1.4400 + mPresContext = aPresContext;
1.4401 + mPresShell = aPresShell;
1.4402 +}
1.4403 +
1.4404 +// Fires the "document-shown" event so that interested parties are aware of it.
1.4405 +NS_IMETHODIMP
1.4406 +nsDocumentShownDispatcher::Run()
1.4407 +{
1.4408 + nsCOMPtr<nsIObserverService> observerService =
1.4409 + mozilla::services::GetObserverService();
1.4410 + if (observerService) {
1.4411 + observerService->NotifyObservers(mDocument, "document-shown", nullptr);
1.4412 + }
1.4413 + return NS_OK;
1.4414 +}
1.4415 +
