1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/ipc/TabChild.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,570 @@
1.4 +/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
1.5 +/* vim: set sw=4 ts=8 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 +#ifndef mozilla_dom_TabChild_h
1.11 +#define mozilla_dom_TabChild_h
1.12 +
1.13 +#include "mozilla/dom/PBrowserChild.h"
1.14 +#include "nsIWebNavigation.h"
1.15 +#include "nsCOMPtr.h"
1.16 +#include "nsAutoPtr.h"
1.17 +#include "nsIWebBrowserChrome2.h"
1.18 +#include "nsIEmbeddingSiteWindow.h"
1.19 +#include "nsIWebBrowserChromeFocus.h"
1.20 +#include "nsIDOMEventListener.h"
1.21 +#include "nsIInterfaceRequestor.h"
1.22 +#include "nsIWindowProvider.h"
1.23 +#include "nsIDOMWindow.h"
1.24 +#include "nsIDocShell.h"
1.25 +#include "nsIInterfaceRequestorUtils.h"
1.26 +#include "nsFrameMessageManager.h"
1.27 +#include "nsIWebProgressListener.h"
1.28 +#include "nsIPresShell.h"
1.29 +#include "nsIScriptObjectPrincipal.h"
1.30 +#include "nsWeakReference.h"
1.31 +#include "nsITabChild.h"
1.32 +#include "nsITooltipListener.h"
1.33 +#include "mozilla/Attributes.h"
1.34 +#include "mozilla/dom/TabContext.h"
1.35 +#include "mozilla/DOMEventTargetHelper.h"
1.36 +#include "mozilla/EventDispatcher.h"
1.37 +#include "mozilla/EventForwards.h"
1.38 +#include "mozilla/layers/CompositorTypes.h"
1.39 +
1.40 +class nsICachedFileDescriptorListener;
1.41 +class nsIDOMWindowUtils;
1.42 +
1.43 +namespace mozilla {
1.44 +namespace layout {
1.45 +class RenderFrameChild;
1.46 +}
1.47 +
1.48 +namespace layers {
1.49 +class ActiveElementManager;
1.50 +}
1.51 +
1.52 +namespace widget {
1.53 +struct AutoCacheNativeKeyCommands;
1.54 +}
1.55 +
1.56 +namespace dom {
1.57 +
1.58 +class TabChild;
1.59 +class ClonedMessageData;
1.60 +class TabChildBase;
1.61 +
1.62 +class TabChildGlobal : public DOMEventTargetHelper,
1.63 + public nsIContentFrameMessageManager,
1.64 + public nsIScriptObjectPrincipal,
1.65 + public nsIGlobalObject
1.66 +{
1.67 +public:
1.68 + TabChildGlobal(TabChildBase* aTabChild);
1.69 + void Init();
1.70 + NS_DECL_ISUPPORTS_INHERITED
1.71 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TabChildGlobal, DOMEventTargetHelper)
1.72 + NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
1.73 + NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
1.74 + NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
1.75 + JS::Handle<JS::Value> aObject,
1.76 + JS::Handle<JS::Value> aRemote,
1.77 + nsIPrincipal* aPrincipal,
1.78 + JSContext* aCx,
1.79 + uint8_t aArgc,
1.80 + JS::MutableHandle<JS::Value> aRetval)
1.81 + {
1.82 + return mMessageManager
1.83 + ? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,
1.84 + aPrincipal, aCx, aArgc, aRetval)
1.85 + : NS_ERROR_NULL_POINTER;
1.86 + }
1.87 + NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,
1.88 + JS::Handle<JS::Value> aObject,
1.89 + JS::Handle<JS::Value> aRemote,
1.90 + nsIPrincipal* aPrincipal,
1.91 + JSContext* aCx,
1.92 + uint8_t aArgc,
1.93 + JS::MutableHandle<JS::Value> aRetval)
1.94 + {
1.95 + return mMessageManager
1.96 + ? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
1.97 + aPrincipal, aCx, aArgc, aRetval)
1.98 + : NS_ERROR_NULL_POINTER;
1.99 + }
1.100 + NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;
1.101 + NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;
1.102 + NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE
1.103 + {
1.104 + return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;
1.105 + }
1.106 + NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;
1.107 + NS_IMETHOD Btoa(const nsAString& aBinaryData,
1.108 + nsAString& aAsciiBase64String) MOZ_OVERRIDE;
1.109 + NS_IMETHOD Atob(const nsAString& aAsciiString,
1.110 + nsAString& aBinaryData) MOZ_OVERRIDE;
1.111 +
1.112 + NS_IMETHOD AddEventListener(const nsAString& aType,
1.113 + nsIDOMEventListener* aListener,
1.114 + bool aUseCapture)
1.115 + {
1.116 + // By default add listeners only for trusted events!
1.117 + return DOMEventTargetHelper::AddEventListener(aType, aListener,
1.118 + aUseCapture, false, 2);
1.119 + }
1.120 + using DOMEventTargetHelper::AddEventListener;
1.121 + NS_IMETHOD AddEventListener(const nsAString& aType,
1.122 + nsIDOMEventListener* aListener,
1.123 + bool aUseCapture, bool aWantsUntrusted,
1.124 + uint8_t optional_argc) MOZ_OVERRIDE
1.125 + {
1.126 + return DOMEventTargetHelper::AddEventListener(aType, aListener,
1.127 + aUseCapture,
1.128 + aWantsUntrusted,
1.129 + optional_argc);
1.130 + }
1.131 +
1.132 + nsresult
1.133 + PreHandleEvent(EventChainPreVisitor& aVisitor)
1.134 + {
1.135 + aVisitor.mForceContentDispatch = true;
1.136 + return NS_OK;
1.137 + }
1.138 +
1.139 + virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE;
1.140 + virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE;
1.141 + virtual JSObject* GetGlobalJSObject() MOZ_OVERRIDE;
1.142 +
1.143 + nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
1.144 + nsRefPtr<TabChildBase> mTabChild;
1.145 +};
1.146 +
1.147 +class ContentListener MOZ_FINAL : public nsIDOMEventListener
1.148 +{
1.149 +public:
1.150 + ContentListener(TabChild* aTabChild) : mTabChild(aTabChild) {}
1.151 + NS_DECL_ISUPPORTS
1.152 + NS_DECL_NSIDOMEVENTLISTENER
1.153 +protected:
1.154 + TabChild* mTabChild;
1.155 +};
1.156 +
1.157 +// This is base clase which helps to share Viewport and touch related functionality
1.158 +// between b2g/android FF/embedlite clients implementation.
1.159 +// It make sense to place in this class all helper functions, and functionality which could be shared between
1.160 +// Cross-process/Cross-thread implmentations.
1.161 +class TabChildBase : public nsISupports,
1.162 + public nsFrameScriptExecutor,
1.163 + public ipc::MessageManagerCallback
1.164 +{
1.165 +public:
1.166 + TabChildBase();
1.167 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.168 + NS_DECL_CYCLE_COLLECTION_CLASS(TabChildBase)
1.169 +
1.170 + virtual nsIWebNavigation* WebNavigation() = 0;
1.171 + virtual nsIWidget* WebWidget() = 0;
1.172 + nsIPrincipal* GetPrincipal() { return mPrincipal; }
1.173 + bool IsAsyncPanZoomEnabled();
1.174 + // Recalculates the display state, including the CSS
1.175 + // viewport. This should be called whenever we believe the
1.176 + // viewport data on a document may have changed. If it didn't
1.177 + // change, this function doesn't do anything. However, it should
1.178 + // not be called all the time as it is fairly expensive.
1.179 + bool HandlePossibleViewportChange();
1.180 + virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
1.181 + const mozilla::layers::FrameMetrics::ViewID& aViewId,
1.182 + const bool& aIsRoot,
1.183 + const mozilla::layers::ZoomConstraints& aConstraints) = 0;
1.184 +
1.185 + nsEventStatus DispatchSynthesizedMouseEvent(uint32_t aMsg, uint64_t aTime,
1.186 + const LayoutDevicePoint& aRefPoint,
1.187 + nsIWidget* aWidget);
1.188 +
1.189 +protected:
1.190 + CSSSize GetPageSize(nsCOMPtr<nsIDocument> aDocument, const CSSSize& aViewport);
1.191 +
1.192 + // Get the DOMWindowUtils for the top-level window in this tab.
1.193 + already_AddRefed<nsIDOMWindowUtils> GetDOMWindowUtils();
1.194 + // Get the Document for the top-level window in this tab.
1.195 + already_AddRefed<nsIDocument> GetDocument();
1.196 +
1.197 + // Wrapper for nsIDOMWindowUtils.setCSSViewport(). This updates some state
1.198 + // variables local to this class before setting it.
1.199 + void SetCSSViewport(const CSSSize& aSize);
1.200 +
1.201 + // Wraps up a JSON object as a structured clone and sends it to the browser
1.202 + // chrome script.
1.203 + //
1.204 + // XXX/bug 780335: Do the work the browser chrome script does in C++ instead
1.205 + // so we don't need things like this.
1.206 + void DispatchMessageManagerMessage(const nsAString& aMessageName,
1.207 + const nsAString& aJSONData);
1.208 +
1.209 + nsEventStatus DispatchWidgetEvent(WidgetGUIEvent& event);
1.210 +
1.211 + bool HasValidInnerSize();
1.212 + void InitializeRootMetrics();
1.213 +
1.214 + mozilla::layers::FrameMetrics ProcessUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);
1.215 +
1.216 + bool UpdateFrameHandler(const mozilla::layers::FrameMetrics& aFrameMetrics);
1.217 +
1.218 +protected:
1.219 + float mOldViewportWidth;
1.220 + bool mContentDocumentIsDisplayed;
1.221 + nsRefPtr<TabChildGlobal> mTabChildGlobal;
1.222 + ScreenIntSize mInnerSize;
1.223 + mozilla::layers::FrameMetrics mLastRootMetrics;
1.224 + mozilla::layout::ScrollingBehavior mScrolling;
1.225 +};
1.226 +
1.227 +class TabChild : public TabChildBase,
1.228 + public PBrowserChild,
1.229 + public nsIWebBrowserChrome2,
1.230 + public nsIEmbeddingSiteWindow,
1.231 + public nsIWebBrowserChromeFocus,
1.232 + public nsIInterfaceRequestor,
1.233 + public nsIWindowProvider,
1.234 + public nsIDOMEventListener,
1.235 + public nsIWebProgressListener,
1.236 + public nsSupportsWeakReference,
1.237 + public nsITabChild,
1.238 + public nsIObserver,
1.239 + public TabContext,
1.240 + public nsITooltipListener
1.241 +{
1.242 + typedef mozilla::dom::ClonedMessageData ClonedMessageData;
1.243 + typedef mozilla::layout::RenderFrameChild RenderFrameChild;
1.244 + typedef mozilla::layout::ScrollingBehavior ScrollingBehavior;
1.245 + typedef mozilla::layers::ActiveElementManager ActiveElementManager;
1.246 +
1.247 +public:
1.248 + /**
1.249 + * This is expected to be called off the critical path to content
1.250 + * startup. This is an opportunity to load things that are slow
1.251 + * on the critical path.
1.252 + */
1.253 + static void PreloadSlowThings();
1.254 +
1.255 + /** Return a TabChild with the given attributes. */
1.256 + static already_AddRefed<TabChild>
1.257 + Create(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
1.258 +
1.259 + virtual ~TabChild();
1.260 +
1.261 + bool IsRootContentDocument();
1.262 +
1.263 + NS_DECL_ISUPPORTS_INHERITED
1.264 + NS_DECL_NSIWEBBROWSERCHROME
1.265 + NS_DECL_NSIWEBBROWSERCHROME2
1.266 + NS_DECL_NSIEMBEDDINGSITEWINDOW
1.267 + NS_DECL_NSIWEBBROWSERCHROMEFOCUS
1.268 + NS_DECL_NSIINTERFACEREQUESTOR
1.269 + NS_DECL_NSIWINDOWPROVIDER
1.270 + NS_DECL_NSIDOMEVENTLISTENER
1.271 + NS_DECL_NSIWEBPROGRESSLISTENER
1.272 + NS_DECL_NSITABCHILD
1.273 + NS_DECL_NSIOBSERVER
1.274 + NS_DECL_NSITOOLTIPLISTENER
1.275 +
1.276 + /**
1.277 + * MessageManagerCallback methods that we override.
1.278 + */
1.279 + virtual bool DoSendBlockingMessage(JSContext* aCx,
1.280 + const nsAString& aMessage,
1.281 + const mozilla::dom::StructuredCloneData& aData,
1.282 + JS::Handle<JSObject *> aCpows,
1.283 + nsIPrincipal* aPrincipal,
1.284 + InfallibleTArray<nsString>* aJSONRetVal,
1.285 + bool aIsSync) MOZ_OVERRIDE;
1.286 + virtual bool DoSendAsyncMessage(JSContext* aCx,
1.287 + const nsAString& aMessage,
1.288 + const mozilla::dom::StructuredCloneData& aData,
1.289 + JS::Handle<JSObject *> aCpows,
1.290 + nsIPrincipal* aPrincipal) MOZ_OVERRIDE;
1.291 + virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
1.292 + const ViewID& aViewId,
1.293 + const bool& aIsRoot,
1.294 + const ZoomConstraints& aConstraints) MOZ_OVERRIDE;
1.295 + virtual bool RecvLoadURL(const nsCString& uri) MOZ_OVERRIDE;
1.296 + virtual bool RecvCacheFileDescriptor(const nsString& aPath,
1.297 + const FileDescriptor& aFileDescriptor)
1.298 + MOZ_OVERRIDE;
1.299 + virtual bool RecvShow(const nsIntSize& size) MOZ_OVERRIDE;
1.300 + virtual bool RecvUpdateDimensions(const nsRect& rect,
1.301 + const nsIntSize& size,
1.302 + const ScreenOrientation& orientation) MOZ_OVERRIDE;
1.303 + virtual bool RecvUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics) MOZ_OVERRIDE;
1.304 + virtual bool RecvAcknowledgeScrollUpdate(const ViewID& aScrollId,
1.305 + const uint32_t& aScrollGeneration) MOZ_OVERRIDE;
1.306 + virtual bool RecvHandleDoubleTap(const CSSPoint& aPoint,
1.307 + const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.308 + virtual bool RecvHandleSingleTap(const CSSPoint& aPoint,
1.309 + const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.310 + virtual bool RecvHandleLongTap(const CSSPoint& aPoint,
1.311 + const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.312 + virtual bool RecvHandleLongTapUp(const CSSPoint& aPoint,
1.313 + const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.314 + virtual bool RecvNotifyAPZStateChange(const ViewID& aViewId,
1.315 + const APZStateChange& aChange,
1.316 + const int& aArg) MOZ_OVERRIDE;
1.317 + virtual bool RecvActivate() MOZ_OVERRIDE;
1.318 + virtual bool RecvDeactivate() MOZ_OVERRIDE;
1.319 + virtual bool RecvMouseEvent(const nsString& aType,
1.320 + const float& aX,
1.321 + const float& aY,
1.322 + const int32_t& aButton,
1.323 + const int32_t& aClickCount,
1.324 + const int32_t& aModifiers,
1.325 + const bool& aIgnoreRootScrollFrame) MOZ_OVERRIDE;
1.326 + virtual bool RecvRealMouseEvent(const mozilla::WidgetMouseEvent& event) MOZ_OVERRIDE;
1.327 + virtual bool RecvRealKeyEvent(const mozilla::WidgetKeyboardEvent& event,
1.328 + const MaybeNativeKeyBinding& aBindings) MOZ_OVERRIDE;
1.329 + virtual bool RecvMouseWheelEvent(const mozilla::WidgetWheelEvent& event) MOZ_OVERRIDE;
1.330 + virtual bool RecvRealTouchEvent(const WidgetTouchEvent& aEvent,
1.331 + const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.332 + virtual bool RecvRealTouchMoveEvent(const WidgetTouchEvent& aEvent,
1.333 + const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
1.334 + virtual bool RecvKeyEvent(const nsString& aType,
1.335 + const int32_t& aKeyCode,
1.336 + const int32_t& aCharCode,
1.337 + const int32_t& aModifiers,
1.338 + const bool& aPreventDefault) MOZ_OVERRIDE;
1.339 + virtual bool RecvCompositionEvent(const mozilla::WidgetCompositionEvent& event) MOZ_OVERRIDE;
1.340 + virtual bool RecvTextEvent(const mozilla::WidgetTextEvent& event) MOZ_OVERRIDE;
1.341 + virtual bool RecvSelectionEvent(const mozilla::WidgetSelectionEvent& event) MOZ_OVERRIDE;
1.342 + virtual bool RecvActivateFrameEvent(const nsString& aType, const bool& capture) MOZ_OVERRIDE;
1.343 + virtual bool RecvLoadRemoteScript(const nsString& aURL,
1.344 + const bool& aRunInGlobalScope) MOZ_OVERRIDE;
1.345 + virtual bool RecvAsyncMessage(const nsString& aMessage,
1.346 + const ClonedMessageData& aData,
1.347 + const InfallibleTArray<CpowEntry>& aCpows,
1.348 + const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
1.349 +
1.350 + virtual PDocumentRendererChild*
1.351 + AllocPDocumentRendererChild(const nsRect& documentRect, const gfx::Matrix& transform,
1.352 + const nsString& bgcolor,
1.353 + const uint32_t& renderFlags, const bool& flushLayout,
1.354 + const nsIntSize& renderSize) MOZ_OVERRIDE;
1.355 + virtual bool DeallocPDocumentRendererChild(PDocumentRendererChild* actor) MOZ_OVERRIDE;
1.356 + virtual bool RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
1.357 + const nsRect& documentRect,
1.358 + const gfx::Matrix& transform,
1.359 + const nsString& bgcolor,
1.360 + const uint32_t& renderFlags,
1.361 + const bool& flushLayout,
1.362 + const nsIntSize& renderSize) MOZ_OVERRIDE;
1.363 +
1.364 + virtual PColorPickerChild*
1.365 + AllocPColorPickerChild(const nsString& title, const nsString& initialColor) MOZ_OVERRIDE;
1.366 + virtual bool DeallocPColorPickerChild(PColorPickerChild* actor) MOZ_OVERRIDE;
1.367 +
1.368 +#ifdef DEBUG
1.369 + virtual PContentPermissionRequestChild*
1.370 + SendPContentPermissionRequestConstructor(PContentPermissionRequestChild* aActor,
1.371 + const InfallibleTArray<PermissionRequest>& aRequests,
1.372 + const IPC::Principal& aPrincipal);
1.373 +#endif /* DEBUG */
1.374 +
1.375 + virtual PContentPermissionRequestChild*
1.376 + AllocPContentPermissionRequestChild(const InfallibleTArray<PermissionRequest>& aRequests,
1.377 + const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
1.378 + virtual bool
1.379 + DeallocPContentPermissionRequestChild(PContentPermissionRequestChild* actor) MOZ_OVERRIDE;
1.380 +
1.381 + virtual PFilePickerChild*
1.382 + AllocPFilePickerChild(const nsString& aTitle, const int16_t& aMode) MOZ_OVERRIDE;
1.383 + virtual bool
1.384 + DeallocPFilePickerChild(PFilePickerChild* actor) MOZ_OVERRIDE;
1.385 +
1.386 + virtual POfflineCacheUpdateChild* AllocPOfflineCacheUpdateChild(
1.387 + const URIParams& manifestURI,
1.388 + const URIParams& documentURI,
1.389 + const bool& stickDocument) MOZ_OVERRIDE;
1.390 + virtual bool
1.391 + DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* offlineCacheUpdate) MOZ_OVERRIDE;
1.392 +
1.393 + virtual nsIWebNavigation* WebNavigation() MOZ_OVERRIDE { return mWebNav; }
1.394 + virtual nsIWidget* WebWidget() MOZ_OVERRIDE { return mWidget; }
1.395 +
1.396 + /** Return the DPI of the widget this TabChild draws to. */
1.397 + void GetDPI(float* aDPI);
1.398 + void GetDefaultScale(double *aScale);
1.399 +
1.400 + ScreenOrientation GetOrientation() { return mOrientation; }
1.401 +
1.402 + void SetBackgroundColor(const nscolor& aColor);
1.403 +
1.404 + void NotifyPainted();
1.405 +
1.406 + void RequestNativeKeyBindings(mozilla::widget::AutoCacheNativeKeyCommands* aAutoCache,
1.407 + WidgetKeyboardEvent* aEvent);
1.408 +
1.409 + /** Return a boolean indicating if the page has called preventDefault on
1.410 + * the event.
1.411 + */
1.412 + bool DispatchMouseEvent(const nsString& aType,
1.413 + const CSSPoint& aPoint,
1.414 + const int32_t& aButton,
1.415 + const int32_t& aClickCount,
1.416 + const int32_t& aModifiers,
1.417 + const bool& aIgnoreRootScrollFrame,
1.418 + const unsigned short& aInputSourceArg);
1.419 +
1.420 + /**
1.421 + * Signal to this TabChild that it should be made visible:
1.422 + * activated widget, retained layer tree, etc. (Respectively,
1.423 + * made not visible.)
1.424 + */
1.425 + void MakeVisible();
1.426 + void MakeHidden();
1.427 +
1.428 + // Returns true if the file descriptor was found in the cache, false
1.429 + // otherwise.
1.430 + bool GetCachedFileDescriptor(const nsAString& aPath,
1.431 + nsICachedFileDescriptorListener* aCallback);
1.432 +
1.433 + void CancelCachedFileDescriptorCallback(
1.434 + const nsAString& aPath,
1.435 + nsICachedFileDescriptorListener* aCallback);
1.436 +
1.437 + ContentChild* Manager() { return mManager; }
1.438 +
1.439 + bool GetUpdateHitRegion() { return mUpdateHitRegion; }
1.440 +
1.441 + void UpdateHitRegion(const nsRegion& aRegion);
1.442 +
1.443 + static inline TabChild*
1.444 + GetFrom(nsIDocShell* aDocShell)
1.445 + {
1.446 + nsCOMPtr<nsITabChild> tc = do_GetInterface(aDocShell);
1.447 + return static_cast<TabChild*>(tc.get());
1.448 + }
1.449 +
1.450 + static TabChild* GetFrom(nsIPresShell* aPresShell);
1.451 + static TabChild* GetFrom(uint64_t aLayersId);
1.452 +
1.453 + void DidComposite();
1.454 +
1.455 + static inline TabChild*
1.456 + GetFrom(nsIDOMWindow* aWindow)
1.457 + {
1.458 + nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
1.459 + nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
1.460 + return GetFrom(docShell);
1.461 + }
1.462 +
1.463 +protected:
1.464 + virtual PRenderFrameChild* AllocPRenderFrameChild() MOZ_OVERRIDE;
1.465 + virtual bool DeallocPRenderFrameChild(PRenderFrameChild* aFrame) MOZ_OVERRIDE;
1.466 + virtual bool RecvDestroy() MOZ_OVERRIDE;
1.467 + virtual bool RecvSetUpdateHitRegion(const bool& aEnabled) MOZ_OVERRIDE;
1.468 + virtual bool RecvSetIsDocShellActive(const bool& aIsActive) MOZ_OVERRIDE;
1.469 +
1.470 + virtual PIndexedDBChild* AllocPIndexedDBChild(const nsCString& aGroup,
1.471 + const nsCString& aASCIIOrigin,
1.472 + bool* /* aAllowed */) MOZ_OVERRIDE;
1.473 +
1.474 + virtual bool DeallocPIndexedDBChild(PIndexedDBChild* aActor) MOZ_OVERRIDE;
1.475 +
1.476 +private:
1.477 + /**
1.478 + * Create a new TabChild object.
1.479 + *
1.480 + * |aOwnOrContainingAppId| is the app-id of our frame or of the closest app
1.481 + * frame in the hierarchy which contains us.
1.482 + *
1.483 + * |aIsBrowserElement| indicates whether we're a browser (but not an app).
1.484 + */
1.485 + TabChild(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
1.486 +
1.487 + nsresult Init();
1.488 +
1.489 +
1.490 + // Notify others that our TabContext has been updated. (At the moment, this
1.491 + // sets the appropriate app-id and is-browser flags on our docshell.)
1.492 + //
1.493 + // You should call this after calling TabContext::SetTabContext(). We also
1.494 + // call this during Init().
1.495 + void NotifyTabContextUpdated();
1.496 +
1.497 + bool UseDirectCompositor();
1.498 +
1.499 + void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
1.500 +
1.501 + enum FrameScriptLoading { DONT_LOAD_SCRIPTS, DEFAULT_LOAD_SCRIPTS };
1.502 + bool InitTabChildGlobal(FrameScriptLoading aScriptLoading = DEFAULT_LOAD_SCRIPTS);
1.503 + bool InitRenderingState();
1.504 + void DestroyWindow();
1.505 + void SetProcessNameToAppName();
1.506 +
1.507 + // Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().
1.508 + void DoFakeShow();
1.509 +
1.510 + // These methods are used for tracking synthetic mouse events
1.511 + // dispatched for compatibility. On each touch event, we
1.512 + // UpdateTapState(). If we've detected that the current gesture
1.513 + // isn't a tap, then we CancelTapTracking(). In the meantime, we
1.514 + // may detect a context-menu event, and if so we
1.515 + // FireContextMenuEvent().
1.516 + void FireContextMenuEvent();
1.517 + void CancelTapTracking();
1.518 + void UpdateTapState(const WidgetTouchEvent& aEvent, nsEventStatus aStatus);
1.519 +
1.520 + nsresult
1.521 + BrowserFrameProvideWindow(nsIDOMWindow* aOpener,
1.522 + nsIURI* aURI,
1.523 + const nsAString& aName,
1.524 + const nsACString& aFeatures,
1.525 + bool* aWindowIsNew,
1.526 + nsIDOMWindow** aReturn);
1.527 +
1.528 + class CachedFileDescriptorInfo;
1.529 + class CachedFileDescriptorCallbackRunnable;
1.530 +
1.531 + TextureFactoryIdentifier mTextureFactoryIdentifier;
1.532 + nsCOMPtr<nsIWebNavigation> mWebNav;
1.533 + nsCOMPtr<nsIWidget> mWidget;
1.534 + nsCOMPtr<nsIURI> mLastURI;
1.535 + RenderFrameChild* mRemoteFrame;
1.536 + nsRefPtr<ContentChild> mManager;
1.537 + uint32_t mChromeFlags;
1.538 + uint64_t mLayersId;
1.539 + nsIntRect mOuterRect;
1.540 + // When we're tracking a possible tap gesture, this is the "down"
1.541 + // point of the touchstart.
1.542 + LayoutDevicePoint mGestureDownPoint;
1.543 + // The touch identifier of the active gesture.
1.544 + int32_t mActivePointerId;
1.545 + // A timer task that fires if the tap-hold timeout is exceeded by
1.546 + // the touch we're tracking. That is, if touchend or a touchmove
1.547 + // that exceeds the gesture threshold doesn't happen.
1.548 + CancelableTask* mTapHoldTimer;
1.549 + // Whether we have already received a FileDescriptor for the app package.
1.550 + bool mAppPackageFileDescriptorRecved;
1.551 + // At present only 1 of these is really expected.
1.552 + nsAutoTArray<nsAutoPtr<CachedFileDescriptorInfo>, 1>
1.553 + mCachedFileDescriptorInfos;
1.554 + nscolor mLastBackgroundColor;
1.555 + bool mDidFakeShow;
1.556 + bool mNotified;
1.557 + bool mTriedBrowserInit;
1.558 + ScreenOrientation mOrientation;
1.559 + bool mUpdateHitRegion;
1.560 + bool mContextMenuHandled;
1.561 + bool mWaitingTouchListeners;
1.562 + void FireSingleTapEvent(LayoutDevicePoint aPoint);
1.563 +
1.564 + bool mIgnoreKeyPressEvent;
1.565 + nsRefPtr<ActiveElementManager> mActiveElementManager;
1.566 +
1.567 + DISALLOW_EVIL_CONSTRUCTORS(TabChild);
1.568 +};
1.569 +
1.570 +}
1.571 +}
1.572 +
1.573 +#endif // mozilla_dom_TabChild_h
