The Tor Browser / annotate

dom/ipc/TabChild.h@b8a032363ba2 (annotated)

dom/ipc/TabChild.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
michael@0 2 /* vim: set sw=4 ts=8 et tw=80 : */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef mozilla_dom_TabChild_h
michael@0 8 #define mozilla_dom_TabChild_h
michael@0 9
michael@0 10 #include "mozilla/dom/PBrowserChild.h"
michael@0 11 #include "nsIWebNavigation.h"
michael@0 12 #include "nsCOMPtr.h"
michael@0 13 #include "nsAutoPtr.h"
michael@0 14 #include "nsIWebBrowserChrome2.h"
michael@0 15 #include "nsIEmbeddingSiteWindow.h"
michael@0 16 #include "nsIWebBrowserChromeFocus.h"
michael@0 17 #include "nsIDOMEventListener.h"
michael@0 18 #include "nsIInterfaceRequestor.h"
michael@0 19 #include "nsIWindowProvider.h"
michael@0 20 #include "nsIDOMWindow.h"
michael@0 21 #include "nsIDocShell.h"
michael@0 22 #include "nsIInterfaceRequestorUtils.h"
michael@0 23 #include "nsFrameMessageManager.h"
michael@0 24 #include "nsIWebProgressListener.h"
michael@0 25 #include "nsIPresShell.h"
michael@0 26 #include "nsIScriptObjectPrincipal.h"
michael@0 27 #include "nsWeakReference.h"
michael@0 28 #include "nsITabChild.h"
michael@0 29 #include "nsITooltipListener.h"
michael@0 30 #include "mozilla/Attributes.h"
michael@0 31 #include "mozilla/dom/TabContext.h"
michael@0 32 #include "mozilla/DOMEventTargetHelper.h"
michael@0 33 #include "mozilla/EventDispatcher.h"
michael@0 34 #include "mozilla/EventForwards.h"
michael@0 35 #include "mozilla/layers/CompositorTypes.h"
michael@0 36
michael@0 37 class nsICachedFileDescriptorListener;
michael@0 38 class nsIDOMWindowUtils;
michael@0 39
michael@0 40 namespace mozilla {
michael@0 41 namespace layout {
michael@0 42 class RenderFrameChild;
michael@0 43 }
michael@0 44
michael@0 45 namespace layers {
michael@0 46 class ActiveElementManager;
michael@0 47 }
michael@0 48
michael@0 49 namespace widget {
michael@0 50 struct AutoCacheNativeKeyCommands;
michael@0 51 }
michael@0 52
michael@0 53 namespace dom {
michael@0 54
michael@0 55 class TabChild;
michael@0 56 class ClonedMessageData;
michael@0 57 class TabChildBase;
michael@0 58
michael@0 59 class TabChildGlobal : public DOMEventTargetHelper,
michael@0 60 public nsIContentFrameMessageManager,
michael@0 61 public nsIScriptObjectPrincipal,
michael@0 62 public nsIGlobalObject
michael@0 63 {
michael@0 64 public:
michael@0 65 TabChildGlobal(TabChildBase* aTabChild);
michael@0 66 void Init();
michael@0 67 NS_DECL_ISUPPORTS_INHERITED
michael@0 68 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TabChildGlobal, DOMEventTargetHelper)
michael@0 69 NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
michael@0 70 NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
michael@0 71 NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
michael@0 72 JS::Handle<JS::Value> aObject,
michael@0 73 JS::Handle<JS::Value> aRemote,
michael@0 74 nsIPrincipal* aPrincipal,
michael@0 75 JSContext* aCx,
michael@0 76 uint8_t aArgc,
michael@0 77 JS::MutableHandle<JS::Value> aRetval)
michael@0 78 {
michael@0 79 return mMessageManager
michael@0 80 ? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,
michael@0 81 aPrincipal, aCx, aArgc, aRetval)
michael@0 82 : NS_ERROR_NULL_POINTER;
michael@0 83 }
michael@0 84 NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,
michael@0 85 JS::Handle<JS::Value> aObject,
michael@0 86 JS::Handle<JS::Value> aRemote,
michael@0 87 nsIPrincipal* aPrincipal,
michael@0 88 JSContext* aCx,
michael@0 89 uint8_t aArgc,
michael@0 90 JS::MutableHandle<JS::Value> aRetval)
michael@0 91 {
michael@0 92 return mMessageManager
michael@0 93 ? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
michael@0 94 aPrincipal, aCx, aArgc, aRetval)
michael@0 95 : NS_ERROR_NULL_POINTER;
michael@0 96 }
michael@0 97 NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;
michael@0 98 NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;
michael@0 99 NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE
michael@0 100 {
michael@0 101 return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;
michael@0 102 }
michael@0 103 NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;
michael@0 104 NS_IMETHOD Btoa(const nsAString& aBinaryData,
michael@0 105 nsAString& aAsciiBase64String) MOZ_OVERRIDE;
michael@0 106 NS_IMETHOD Atob(const nsAString& aAsciiString,
michael@0 107 nsAString& aBinaryData) MOZ_OVERRIDE;
michael@0 108
michael@0 109 NS_IMETHOD AddEventListener(const nsAString& aType,
michael@0 110 nsIDOMEventListener* aListener,
michael@0 111 bool aUseCapture)
michael@0 112 {
michael@0 113 // By default add listeners only for trusted events!
michael@0 114 return DOMEventTargetHelper::AddEventListener(aType, aListener,
michael@0 115 aUseCapture, false, 2);
michael@0 116 }
michael@0 117 using DOMEventTargetHelper::AddEventListener;
michael@0 118 NS_IMETHOD AddEventListener(const nsAString& aType,
michael@0 119 nsIDOMEventListener* aListener,
michael@0 120 bool aUseCapture, bool aWantsUntrusted,
michael@0 121 uint8_t optional_argc) MOZ_OVERRIDE
michael@0 122 {
michael@0 123 return DOMEventTargetHelper::AddEventListener(aType, aListener,
michael@0 124 aUseCapture,
michael@0 125 aWantsUntrusted,
michael@0 126 optional_argc);
michael@0 127 }
michael@0 128
michael@0 129 nsresult
michael@0 130 PreHandleEvent(EventChainPreVisitor& aVisitor)
michael@0 131 {
michael@0 132 aVisitor.mForceContentDispatch = true;
michael@0 133 return NS_OK;
michael@0 134 }
michael@0 135
michael@0 136 virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE;
michael@0 137 virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE;
michael@0 138 virtual JSObject* GetGlobalJSObject() MOZ_OVERRIDE;
michael@0 139
michael@0 140 nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
michael@0 141 nsRefPtr<TabChildBase> mTabChild;
michael@0 142 };
michael@0 143
michael@0 144 class ContentListener MOZ_FINAL : public nsIDOMEventListener
michael@0 145 {
michael@0 146 public:
michael@0 147 ContentListener(TabChild* aTabChild) : mTabChild(aTabChild) {}
michael@0 148 NS_DECL_ISUPPORTS
michael@0 149 NS_DECL_NSIDOMEVENTLISTENER
michael@0 150 protected:
michael@0 151 TabChild* mTabChild;
michael@0 152 };
michael@0 153
michael@0 154 // This is base clase which helps to share Viewport and touch related functionality
michael@0 155 // between b2g/android FF/embedlite clients implementation.
michael@0 156 // It make sense to place in this class all helper functions, and functionality which could be shared between
michael@0 157 // Cross-process/Cross-thread implmentations.
michael@0 158 class TabChildBase : public nsISupports,
michael@0 159 public nsFrameScriptExecutor,
michael@0 160 public ipc::MessageManagerCallback
michael@0 161 {
michael@0 162 public:
michael@0 163 TabChildBase();
michael@0 164 NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0 165 NS_DECL_CYCLE_COLLECTION_CLASS(TabChildBase)
michael@0 166
michael@0 167 virtual nsIWebNavigation* WebNavigation() = 0;
michael@0 168 virtual nsIWidget* WebWidget() = 0;
michael@0 169 nsIPrincipal* GetPrincipal() { return mPrincipal; }
michael@0 170 bool IsAsyncPanZoomEnabled();
michael@0 171 // Recalculates the display state, including the CSS
michael@0 172 // viewport. This should be called whenever we believe the
michael@0 173 // viewport data on a document may have changed. If it didn't
michael@0 174 // change, this function doesn't do anything. However, it should
michael@0 175 // not be called all the time as it is fairly expensive.
michael@0 176 bool HandlePossibleViewportChange();
michael@0 177 virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
michael@0 178 const mozilla::layers::FrameMetrics::ViewID& aViewId,
michael@0 179 const bool& aIsRoot,
michael@0 180 const mozilla::layers::ZoomConstraints& aConstraints) = 0;
michael@0 181
michael@0 182 nsEventStatus DispatchSynthesizedMouseEvent(uint32_t aMsg, uint64_t aTime,
michael@0 183 const LayoutDevicePoint& aRefPoint,
michael@0 184 nsIWidget* aWidget);
michael@0 185
michael@0 186 protected:
michael@0 187 CSSSize GetPageSize(nsCOMPtr<nsIDocument> aDocument, const CSSSize& aViewport);
michael@0 188
michael@0 189 // Get the DOMWindowUtils for the top-level window in this tab.
michael@0 190 already_AddRefed<nsIDOMWindowUtils> GetDOMWindowUtils();
michael@0 191 // Get the Document for the top-level window in this tab.
michael@0 192 already_AddRefed<nsIDocument> GetDocument();
michael@0 193
michael@0 194 // Wrapper for nsIDOMWindowUtils.setCSSViewport(). This updates some state
michael@0 195 // variables local to this class before setting it.
michael@0 196 void SetCSSViewport(const CSSSize& aSize);
michael@0 197
michael@0 198 // Wraps up a JSON object as a structured clone and sends it to the browser
michael@0 199 // chrome script.
michael@0 200 //
michael@0 201 // XXX/bug 780335: Do the work the browser chrome script does in C++ instead
michael@0 202 // so we don't need things like this.
michael@0 203 void DispatchMessageManagerMessage(const nsAString& aMessageName,
michael@0 204 const nsAString& aJSONData);
michael@0 205
michael@0 206 nsEventStatus DispatchWidgetEvent(WidgetGUIEvent& event);
michael@0 207
michael@0 208 bool HasValidInnerSize();
michael@0 209 void InitializeRootMetrics();
michael@0 210
michael@0 211 mozilla::layers::FrameMetrics ProcessUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics);
michael@0 212
michael@0 213 bool UpdateFrameHandler(const mozilla::layers::FrameMetrics& aFrameMetrics);
michael@0 214
michael@0 215 protected:
michael@0 216 float mOldViewportWidth;
michael@0 217 bool mContentDocumentIsDisplayed;
michael@0 218 nsRefPtr<TabChildGlobal> mTabChildGlobal;
michael@0 219 ScreenIntSize mInnerSize;
michael@0 220 mozilla::layers::FrameMetrics mLastRootMetrics;
michael@0 221 mozilla::layout::ScrollingBehavior mScrolling;
michael@0 222 };
michael@0 223
michael@0 224 class TabChild : public TabChildBase,
michael@0 225 public PBrowserChild,
michael@0 226 public nsIWebBrowserChrome2,
michael@0 227 public nsIEmbeddingSiteWindow,
michael@0 228 public nsIWebBrowserChromeFocus,
michael@0 229 public nsIInterfaceRequestor,
michael@0 230 public nsIWindowProvider,
michael@0 231 public nsIDOMEventListener,
michael@0 232 public nsIWebProgressListener,
michael@0 233 public nsSupportsWeakReference,
michael@0 234 public nsITabChild,
michael@0 235 public nsIObserver,
michael@0 236 public TabContext,
michael@0 237 public nsITooltipListener
michael@0 238 {
michael@0 239 typedef mozilla::dom::ClonedMessageData ClonedMessageData;
michael@0 240 typedef mozilla::layout::RenderFrameChild RenderFrameChild;
michael@0 241 typedef mozilla::layout::ScrollingBehavior ScrollingBehavior;
michael@0 242 typedef mozilla::layers::ActiveElementManager ActiveElementManager;
michael@0 243
michael@0 244 public:
michael@0 245 /**
michael@0 246 * This is expected to be called off the critical path to content
michael@0 247 * startup. This is an opportunity to load things that are slow
michael@0 248 * on the critical path.
michael@0 249 */
michael@0 250 static void PreloadSlowThings();
michael@0 251
michael@0 252 /** Return a TabChild with the given attributes. */
michael@0 253 static already_AddRefed<TabChild>
michael@0 254 Create(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
michael@0 255
michael@0 256 virtual ~TabChild();
michael@0 257
michael@0 258 bool IsRootContentDocument();
michael@0 259
michael@0 260 NS_DECL_ISUPPORTS_INHERITED
michael@0 261 NS_DECL_NSIWEBBROWSERCHROME
michael@0 262 NS_DECL_NSIWEBBROWSERCHROME2
michael@0 263 NS_DECL_NSIEMBEDDINGSITEWINDOW
michael@0 264 NS_DECL_NSIWEBBROWSERCHROMEFOCUS
michael@0 265 NS_DECL_NSIINTERFACEREQUESTOR
michael@0 266 NS_DECL_NSIWINDOWPROVIDER
michael@0 267 NS_DECL_NSIDOMEVENTLISTENER
michael@0 268 NS_DECL_NSIWEBPROGRESSLISTENER
michael@0 269 NS_DECL_NSITABCHILD
michael@0 270 NS_DECL_NSIOBSERVER
michael@0 271 NS_DECL_NSITOOLTIPLISTENER
michael@0 272
michael@0 273 /**
michael@0 274 * MessageManagerCallback methods that we override.
michael@0 275 */
michael@0 276 virtual bool DoSendBlockingMessage(JSContext* aCx,
michael@0 277 const nsAString& aMessage,
michael@0 278 const mozilla::dom::StructuredCloneData& aData,
michael@0 279 JS::Handle<JSObject *> aCpows,
michael@0 280 nsIPrincipal* aPrincipal,
michael@0 281 InfallibleTArray<nsString>* aJSONRetVal,
michael@0 282 bool aIsSync) MOZ_OVERRIDE;
michael@0 283 virtual bool DoSendAsyncMessage(JSContext* aCx,
michael@0 284 const nsAString& aMessage,
michael@0 285 const mozilla::dom::StructuredCloneData& aData,
michael@0 286 JS::Handle<JSObject *> aCpows,
michael@0 287 nsIPrincipal* aPrincipal) MOZ_OVERRIDE;
michael@0 288 virtual bool DoUpdateZoomConstraints(const uint32_t& aPresShellId,
michael@0 289 const ViewID& aViewId,
michael@0 290 const bool& aIsRoot,
michael@0 291 const ZoomConstraints& aConstraints) MOZ_OVERRIDE;
michael@0 292 virtual bool RecvLoadURL(const nsCString& uri) MOZ_OVERRIDE;
michael@0 293 virtual bool RecvCacheFileDescriptor(const nsString& aPath,
michael@0 294 const FileDescriptor& aFileDescriptor)
michael@0 295 MOZ_OVERRIDE;
michael@0 296 virtual bool RecvShow(const nsIntSize& size) MOZ_OVERRIDE;
michael@0 297 virtual bool RecvUpdateDimensions(const nsRect& rect,
michael@0 298 const nsIntSize& size,
michael@0 299 const ScreenOrientation& orientation) MOZ_OVERRIDE;
michael@0 300 virtual bool RecvUpdateFrame(const mozilla::layers::FrameMetrics& aFrameMetrics) MOZ_OVERRIDE;
michael@0 301 virtual bool RecvAcknowledgeScrollUpdate(const ViewID& aScrollId,
michael@0 302 const uint32_t& aScrollGeneration) MOZ_OVERRIDE;
michael@0 303 virtual bool RecvHandleDoubleTap(const CSSPoint& aPoint,
michael@0 304 const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 305 virtual bool RecvHandleSingleTap(const CSSPoint& aPoint,
michael@0 306 const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 307 virtual bool RecvHandleLongTap(const CSSPoint& aPoint,
michael@0 308 const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 309 virtual bool RecvHandleLongTapUp(const CSSPoint& aPoint,
michael@0 310 const mozilla::layers::ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 311 virtual bool RecvNotifyAPZStateChange(const ViewID& aViewId,
michael@0 312 const APZStateChange& aChange,
michael@0 313 const int& aArg) MOZ_OVERRIDE;
michael@0 314 virtual bool RecvActivate() MOZ_OVERRIDE;
michael@0 315 virtual bool RecvDeactivate() MOZ_OVERRIDE;
michael@0 316 virtual bool RecvMouseEvent(const nsString& aType,
michael@0 317 const float& aX,
michael@0 318 const float& aY,
michael@0 319 const int32_t& aButton,
michael@0 320 const int32_t& aClickCount,
michael@0 321 const int32_t& aModifiers,
michael@0 322 const bool& aIgnoreRootScrollFrame) MOZ_OVERRIDE;
michael@0 323 virtual bool RecvRealMouseEvent(const mozilla::WidgetMouseEvent& event) MOZ_OVERRIDE;
michael@0 324 virtual bool RecvRealKeyEvent(const mozilla::WidgetKeyboardEvent& event,
michael@0 325 const MaybeNativeKeyBinding& aBindings) MOZ_OVERRIDE;
michael@0 326 virtual bool RecvMouseWheelEvent(const mozilla::WidgetWheelEvent& event) MOZ_OVERRIDE;
michael@0 327 virtual bool RecvRealTouchEvent(const WidgetTouchEvent& aEvent,
michael@0 328 const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 329 virtual bool RecvRealTouchMoveEvent(const WidgetTouchEvent& aEvent,
michael@0 330 const ScrollableLayerGuid& aGuid) MOZ_OVERRIDE;
michael@0 331 virtual bool RecvKeyEvent(const nsString& aType,
michael@0 332 const int32_t& aKeyCode,
michael@0 333 const int32_t& aCharCode,
michael@0 334 const int32_t& aModifiers,
michael@0 335 const bool& aPreventDefault) MOZ_OVERRIDE;
michael@0 336 virtual bool RecvCompositionEvent(const mozilla::WidgetCompositionEvent& event) MOZ_OVERRIDE;
michael@0 337 virtual bool RecvTextEvent(const mozilla::WidgetTextEvent& event) MOZ_OVERRIDE;
michael@0 338 virtual bool RecvSelectionEvent(const mozilla::WidgetSelectionEvent& event) MOZ_OVERRIDE;
michael@0 339 virtual bool RecvActivateFrameEvent(const nsString& aType, const bool& capture) MOZ_OVERRIDE;
michael@0 340 virtual bool RecvLoadRemoteScript(const nsString& aURL,
michael@0 341 const bool& aRunInGlobalScope) MOZ_OVERRIDE;
michael@0 342 virtual bool RecvAsyncMessage(const nsString& aMessage,
michael@0 343 const ClonedMessageData& aData,
michael@0 344 const InfallibleTArray<CpowEntry>& aCpows,
michael@0 345 const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
michael@0 346
michael@0 347 virtual PDocumentRendererChild*
michael@0 348 AllocPDocumentRendererChild(const nsRect& documentRect, const gfx::Matrix& transform,
michael@0 349 const nsString& bgcolor,
michael@0 350 const uint32_t& renderFlags, const bool& flushLayout,
michael@0 351 const nsIntSize& renderSize) MOZ_OVERRIDE;
michael@0 352 virtual bool DeallocPDocumentRendererChild(PDocumentRendererChild* actor) MOZ_OVERRIDE;
michael@0 353 virtual bool RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
michael@0 354 const nsRect& documentRect,
michael@0 355 const gfx::Matrix& transform,
michael@0 356 const nsString& bgcolor,
michael@0 357 const uint32_t& renderFlags,
michael@0 358 const bool& flushLayout,
michael@0 359 const nsIntSize& renderSize) MOZ_OVERRIDE;
michael@0 360
michael@0 361 virtual PColorPickerChild*
michael@0 362 AllocPColorPickerChild(const nsString& title, const nsString& initialColor) MOZ_OVERRIDE;
michael@0 363 virtual bool DeallocPColorPickerChild(PColorPickerChild* actor) MOZ_OVERRIDE;
michael@0 364
michael@0 365 #ifdef DEBUG
michael@0 366 virtual PContentPermissionRequestChild*
michael@0 367 SendPContentPermissionRequestConstructor(PContentPermissionRequestChild* aActor,
michael@0 368 const InfallibleTArray<PermissionRequest>& aRequests,
michael@0 369 const IPC::Principal& aPrincipal);
michael@0 370 #endif /* DEBUG */
michael@0 371
michael@0 372 virtual PContentPermissionRequestChild*
michael@0 373 AllocPContentPermissionRequestChild(const InfallibleTArray<PermissionRequest>& aRequests,
michael@0 374 const IPC::Principal& aPrincipal) MOZ_OVERRIDE;
michael@0 375 virtual bool
michael@0 376 DeallocPContentPermissionRequestChild(PContentPermissionRequestChild* actor) MOZ_OVERRIDE;
michael@0 377
michael@0 378 virtual PFilePickerChild*
michael@0 379 AllocPFilePickerChild(const nsString& aTitle, const int16_t& aMode) MOZ_OVERRIDE;
michael@0 380 virtual bool
michael@0 381 DeallocPFilePickerChild(PFilePickerChild* actor) MOZ_OVERRIDE;
michael@0 382
michael@0 383 virtual POfflineCacheUpdateChild* AllocPOfflineCacheUpdateChild(
michael@0 384 const URIParams& manifestURI,
michael@0 385 const URIParams& documentURI,
michael@0 386 const bool& stickDocument) MOZ_OVERRIDE;
michael@0 387 virtual bool
michael@0 388 DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* offlineCacheUpdate) MOZ_OVERRIDE;
michael@0 389
michael@0 390 virtual nsIWebNavigation* WebNavigation() MOZ_OVERRIDE { return mWebNav; }
michael@0 391 virtual nsIWidget* WebWidget() MOZ_OVERRIDE { return mWidget; }
michael@0 392
michael@0 393 /** Return the DPI of the widget this TabChild draws to. */
michael@0 394 void GetDPI(float* aDPI);
michael@0 395 void GetDefaultScale(double *aScale);
michael@0 396
michael@0 397 ScreenOrientation GetOrientation() { return mOrientation; }
michael@0 398
michael@0 399 void SetBackgroundColor(const nscolor& aColor);
michael@0 400
michael@0 401 void NotifyPainted();
michael@0 402
michael@0 403 void RequestNativeKeyBindings(mozilla::widget::AutoCacheNativeKeyCommands* aAutoCache,
michael@0 404 WidgetKeyboardEvent* aEvent);
michael@0 405
michael@0 406 /** Return a boolean indicating if the page has called preventDefault on
michael@0 407 * the event.
michael@0 408 */
michael@0 409 bool DispatchMouseEvent(const nsString& aType,
michael@0 410 const CSSPoint& aPoint,
michael@0 411 const int32_t& aButton,
michael@0 412 const int32_t& aClickCount,
michael@0 413 const int32_t& aModifiers,
michael@0 414 const bool& aIgnoreRootScrollFrame,
michael@0 415 const unsigned short& aInputSourceArg);
michael@0 416
michael@0 417 /**
michael@0 418 * Signal to this TabChild that it should be made visible:
michael@0 419 * activated widget, retained layer tree, etc. (Respectively,
michael@0 420 * made not visible.)
michael@0 421 */
michael@0 422 void MakeVisible();
michael@0 423 void MakeHidden();
michael@0 424
michael@0 425 // Returns true if the file descriptor was found in the cache, false
michael@0 426 // otherwise.
michael@0 427 bool GetCachedFileDescriptor(const nsAString& aPath,
michael@0 428 nsICachedFileDescriptorListener* aCallback);
michael@0 429
michael@0 430 void CancelCachedFileDescriptorCallback(
michael@0 431 const nsAString& aPath,
michael@0 432 nsICachedFileDescriptorListener* aCallback);
michael@0 433
michael@0 434 ContentChild* Manager() { return mManager; }
michael@0 435
michael@0 436 bool GetUpdateHitRegion() { return mUpdateHitRegion; }
michael@0 437
michael@0 438 void UpdateHitRegion(const nsRegion& aRegion);
michael@0 439
michael@0 440 static inline TabChild*
michael@0 441 GetFrom(nsIDocShell* aDocShell)
michael@0 442 {
michael@0 443 nsCOMPtr<nsITabChild> tc = do_GetInterface(aDocShell);
michael@0 444 return static_cast<TabChild*>(tc.get());
michael@0 445 }
michael@0 446
michael@0 447 static TabChild* GetFrom(nsIPresShell* aPresShell);
michael@0 448 static TabChild* GetFrom(uint64_t aLayersId);
michael@0 449
michael@0 450 void DidComposite();
michael@0 451
michael@0 452 static inline TabChild*
michael@0 453 GetFrom(nsIDOMWindow* aWindow)
michael@0 454 {
michael@0 455 nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
michael@0 456 nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
michael@0 457 return GetFrom(docShell);
michael@0 458 }
michael@0 459
michael@0 460 protected:
michael@0 461 virtual PRenderFrameChild* AllocPRenderFrameChild() MOZ_OVERRIDE;
michael@0 462 virtual bool DeallocPRenderFrameChild(PRenderFrameChild* aFrame) MOZ_OVERRIDE;
michael@0 463 virtual bool RecvDestroy() MOZ_OVERRIDE;
michael@0 464 virtual bool RecvSetUpdateHitRegion(const bool& aEnabled) MOZ_OVERRIDE;
michael@0 465 virtual bool RecvSetIsDocShellActive(const bool& aIsActive) MOZ_OVERRIDE;
michael@0 466
michael@0 467 virtual PIndexedDBChild* AllocPIndexedDBChild(const nsCString& aGroup,
michael@0 468 const nsCString& aASCIIOrigin,
michael@0 469 bool* /* aAllowed */) MOZ_OVERRIDE;
michael@0 470
michael@0 471 virtual bool DeallocPIndexedDBChild(PIndexedDBChild* aActor) MOZ_OVERRIDE;
michael@0 472
michael@0 473 private:
michael@0 474 /**
michael@0 475 * Create a new TabChild object.
michael@0 476 *
michael@0 477 * |aOwnOrContainingAppId| is the app-id of our frame or of the closest app
michael@0 478 * frame in the hierarchy which contains us.
michael@0 479 *
michael@0 480 * |aIsBrowserElement| indicates whether we're a browser (but not an app).
michael@0 481 */
michael@0 482 TabChild(ContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags);
michael@0 483
michael@0 484 nsresult Init();
michael@0 485
michael@0 486
michael@0 487 // Notify others that our TabContext has been updated. (At the moment, this
michael@0 488 // sets the appropriate app-id and is-browser flags on our docshell.)
michael@0 489 //
michael@0 490 // You should call this after calling TabContext::SetTabContext(). We also
michael@0 491 // call this during Init().
michael@0 492 void NotifyTabContextUpdated();
michael@0 493
michael@0 494 bool UseDirectCompositor();
michael@0 495
michael@0 496 void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
michael@0 497
michael@0 498 enum FrameScriptLoading { DONT_LOAD_SCRIPTS, DEFAULT_LOAD_SCRIPTS };
michael@0 499 bool InitTabChildGlobal(FrameScriptLoading aScriptLoading = DEFAULT_LOAD_SCRIPTS);
michael@0 500 bool InitRenderingState();
michael@0 501 void DestroyWindow();
michael@0 502 void SetProcessNameToAppName();
michael@0 503
michael@0 504 // Call RecvShow(nsIntSize(0, 0)) and block future calls to RecvShow().
michael@0 505 void DoFakeShow();
michael@0 506
michael@0 507 // These methods are used for tracking synthetic mouse events
michael@0 508 // dispatched for compatibility. On each touch event, we
michael@0 509 // UpdateTapState(). If we've detected that the current gesture
michael@0 510 // isn't a tap, then we CancelTapTracking(). In the meantime, we
michael@0 511 // may detect a context-menu event, and if so we
michael@0 512 // FireContextMenuEvent().
michael@0 513 void FireContextMenuEvent();
michael@0 514 void CancelTapTracking();
michael@0 515 void UpdateTapState(const WidgetTouchEvent& aEvent, nsEventStatus aStatus);
michael@0 516
michael@0 517 nsresult
michael@0 518 BrowserFrameProvideWindow(nsIDOMWindow* aOpener,
michael@0 519 nsIURI* aURI,
michael@0 520 const nsAString& aName,
michael@0 521 const nsACString& aFeatures,
michael@0 522 bool* aWindowIsNew,
michael@0 523 nsIDOMWindow** aReturn);
michael@0 524
michael@0 525 class CachedFileDescriptorInfo;
michael@0 526 class CachedFileDescriptorCallbackRunnable;
michael@0 527
michael@0 528 TextureFactoryIdentifier mTextureFactoryIdentifier;
michael@0 529 nsCOMPtr<nsIWebNavigation> mWebNav;
michael@0 530 nsCOMPtr<nsIWidget> mWidget;
michael@0 531 nsCOMPtr<nsIURI> mLastURI;
michael@0 532 RenderFrameChild* mRemoteFrame;
michael@0 533 nsRefPtr<ContentChild> mManager;
michael@0 534 uint32_t mChromeFlags;
michael@0 535 uint64_t mLayersId;
michael@0 536 nsIntRect mOuterRect;
michael@0 537 // When we're tracking a possible tap gesture, this is the "down"
michael@0 538 // point of the touchstart.
michael@0 539 LayoutDevicePoint mGestureDownPoint;
michael@0 540 // The touch identifier of the active gesture.
michael@0 541 int32_t mActivePointerId;
michael@0 542 // A timer task that fires if the tap-hold timeout is exceeded by
michael@0 543 // the touch we're tracking. That is, if touchend or a touchmove
michael@0 544 // that exceeds the gesture threshold doesn't happen.
michael@0 545 CancelableTask* mTapHoldTimer;
michael@0 546 // Whether we have already received a FileDescriptor for the app package.
michael@0 547 bool mAppPackageFileDescriptorRecved;
michael@0 548 // At present only 1 of these is really expected.
michael@0 549 nsAutoTArray<nsAutoPtr<CachedFileDescriptorInfo>, 1>
michael@0 550 mCachedFileDescriptorInfos;
michael@0 551 nscolor mLastBackgroundColor;
michael@0 552 bool mDidFakeShow;
michael@0 553 bool mNotified;
michael@0 554 bool mTriedBrowserInit;
michael@0 555 ScreenOrientation mOrientation;
michael@0 556 bool mUpdateHitRegion;
michael@0 557 bool mContextMenuHandled;
michael@0 558 bool mWaitingTouchListeners;
michael@0 559 void FireSingleTapEvent(LayoutDevicePoint aPoint);
michael@0 560
michael@0 561 bool mIgnoreKeyPressEvent;
michael@0 562 nsRefPtr<ActiveElementManager> mActiveElementManager;
michael@0 563
michael@0 564 DISALLOW_EVIL_CONSTRUCTORS(TabChild);
michael@0 565 };
michael@0 566
michael@0 567 }
michael@0 568 }
michael@0 569
michael@0 570 #endif // mozilla_dom_TabChild_h

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