Source/WebKit2/WebProcess/WebPage/WebPage.h

   1 /*
   2  * Copyright (C) 2010, 2011, 2013 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef WebPage_h
  27 #define WebPage_h
  28
  29 #include "APIInjectedBundleFormClient.h"
  30 #include "APIInjectedBundlePageContextMenuClient.h"
  31 #include "APIInjectedBundlePageUIClient.h"
  32 #include "APIObject.h"
  33 #include "FindController.h"
  34 #include "GeolocationPermissionRequestManager.h"
  35 #include "ImageOptions.h"
  36 #include "InjectedBundlePageDiagnosticLoggingClient.h"
  37 #include "InjectedBundlePageEditorClient.h"
  38 #include "InjectedBundlePageFullScreenClient.h"
  39 #include "InjectedBundlePageLoaderClient.h"
  40 #include "InjectedBundlePagePolicyClient.h"
  41 #include "InjectedBundlePageResourceLoadClient.h"
  42 #include "LayerTreeHost.h"
  43 #include "MessageReceiver.h"
  44 #include "MessageSender.h"
  45 #include "Plugin.h"
  46 #include "SandboxExtension.h"
  47 #include "ShareableBitmap.h"
  48 #include "UserData.h"
  49 #include "UserMediaPermissionRequestManager.h"
  50 #include <WebCore/DictationAlternative.h>
  51 #include <WebCore/DictionaryPopupInfo.h>
  52 #include <WebCore/DragData.h>
  53 #include <WebCore/Editor.h>
  54 #include <WebCore/FrameLoaderTypes.h>
  55 #include <WebCore/HitTestResult.h>
  56 #include <WebCore/HysteresisActivity.h>
  57 #include <WebCore/IntRect.h>
  58 #include <WebCore/IntSizeHash.h>
  59 #include <WebCore/Page.h>
  60 #include <WebCore/PageOverlay.h>
  61 #include <WebCore/PageVisibilityState.h>
  62 #include <WebCore/ScrollTypes.h>
  63 #include <WebCore/TextChecking.h>
  64 #include <WebCore/TextIndicator.h>
  65 #include <WebCore/UserActivity.h>
  66 #include <WebCore/UserContentTypes.h>
  67 #include <WebCore/UserScriptTypes.h>
  68 #include <WebCore/ViewState.h>
  69 #include <WebCore/ViewportConfiguration.h>
  70 #include <WebCore/WebCoreKeyboardUIMode.h>
  71 #include <memory>
  72 #include <wtf/HashMap.h>
  73 #include <wtf/PassRefPtr.h>
  74 #include <wtf/RefPtr.h>
  75 #include <wtf/RunLoop.h>
  76 #include <wtf/text/WTFString.h>
  77
  78 #if HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
  79 #include "WebPageAccessibilityObject.h"
  80 #include <wtf/glib/GRefPtr.h>
  81 #endif
  82
  83 #if PLATFORM(GTK)
  84 #include "ArgumentCodersGtk.h"
  85 #include "WebPrintOperationGtk.h"
  86 #endif
  87
  88 #if PLATFORM(IOS)
  89 #include "GestureTypes.h"
  90 #import "WebPageMessages.h"
  91 #endif
  92
  93 #if ENABLE(IOS_TOUCH_EVENTS)
  94 #include <WebKitAdditions/PlatformTouchEventIOS.h>
  95 #elif ENABLE(TOUCH_EVENTS)
  96 #include <WebCore/PlatformTouchEvent.h>
  97 #endif
  98
  99 #if ENABLE(CONTEXT_MENUS)
 100 #include "InjectedBundlePageContextMenuClient.h"
 101 #endif
 102
 103 #if PLATFORM(COCOA)
 104 #include "ViewGestureGeometryCollector.h"
 105 #include <wtf/RetainPtr.h>
 106 OBJC_CLASS CALayer;
 107 OBJC_CLASS NSDictionary;
 108 OBJC_CLASS NSObject;
 109 OBJC_CLASS WKAccessibilityWebPageObject;
 110 #endif
 111
 112 namespace API {
 113 class Array;
 114 }
 115
 116 namespace IPC {
 117 class ArgumentDecoder;
 118 class Connection;
 119 }
 120
 121 namespace WebCore {
 122 class DocumentLoader;
 123 class GraphicsContext;
 124 class Frame;
 125 class FrameView;
 126 class HTMLPlugInElement;
 127 class HTMLPlugInImageElement;
 128 class IntPoint;
 129 class KeyboardEvent;
 130 class Page;
 131 class PrintContext;
 132 class Range;
 133 class ResourceResponse;
 134 class ResourceRequest;
 135 class SharedBuffer;
 136 class SubstituteData;
 137 class TextCheckingRequest;
 138 class URL;
 139 class VisibleSelection;
 140 struct Highlight;
 141 struct KeypressCommand;
 142 struct MediaPlaybackTargetContext;
 143 struct TextCheckingResult;
 144
 145 #if ENABLE(VIDEO) && USE(GSTREAMER)
 146 class MediaPlayerRequestInstallMissingPluginsCallback;
 147 #endif
 148 }
 149
 150 namespace WebKit {
 151 class DrawingArea;
 152 class InjectedBundleBackForwardList;
 153 class NotificationPermissionRequestManager;
 154 class PDFPlugin;
 155 class PageBanner;
 156 class PluginView;
 157 class VisibleContentRectUpdateInfo;
 158 class WebColorChooser;
 159 class WebContextMenu;
 160 class WebContextMenuItemData;
 161 class WebDocumentLoader;
 162 class WebEvent;
 163 class WebFrame;
 164 class WebFullScreenManager;
 165 class WebImage;
 166 class WebInspector;
 167 class WebInspectorClient;
 168 class WebInspectorUI;
 169 class WebKeyboardEvent;
 170 class WebMouseEvent;
 171 class WebNotificationClient;
 172 class WebOpenPanelResultListener;
 173 class WebPageGroupProxy;
 174 class WebPageOverlay;
 175 class WebPopupMenu;
 176 class WebUndoStep;
 177 class WebUserContentController;
 178 class WebVideoFullscreenManager;
 179 class WebWheelEvent;
 180 struct AssistedNodeInformation;
 181 struct AttributedString;
 182 struct BackForwardListItemState;
 183 struct EditingRange;
 184 struct EditorState;
 185 struct InteractionInformationAtPosition;
 186 struct PrintInfo;
 187 struct WebPageCreationParameters;
 188 struct WebPreferencesStore;
 189
 190 #if PLATFORM(COCOA)
 191 class RemoteLayerTreeTransaction;
 192 #endif
 193
 194 #if ENABLE(TOUCH_EVENTS)
 195 class WebTouchEvent;
 196 #endif
 197
 198 class WebPage : public API::ObjectImpl<API::Object::Type::BundlePage>, public IPC::MessageReceiver, public IPC::MessageSender {
 199 public:
 200     static Ref<WebPage> create(uint64_t pageID, const WebPageCreationParameters&);
 201     virtual ~WebPage();
 202
 203     void reinitializeWebPage(const WebPageCreationParameters&);
 204
 205     void close();
 206
 207     static WebPage* fromCorePage(WebCore::Page*);
 208
 209     WebCore::Page* corePage() const { return m_page.get(); }
 210     uint64_t pageID() const { return m_pageID; }
 211     WebCore::SessionID sessionID() const { return m_page->sessionID(); }
 212     bool usesEphemeralSession() const { return m_page->usesEphemeralSession(); }
 213
 214     void setSessionID(WebCore::SessionID);
 215
 216     void setSize(const WebCore::IntSize&);
 217     const WebCore::IntSize& size() const { return m_viewSize; }
 218     WebCore::IntRect bounds() const { return WebCore::IntRect(WebCore::IntPoint(), size()); }
 219
 220     InjectedBundleBackForwardList* backForwardList();
 221     DrawingArea* drawingArea() const { return m_drawingArea.get(); }
 222 #if ENABLE(ASYNC_SCROLLING)
 223     WebCore::ScrollingCoordinator* scrollingCoordinator() const;
 224 #endif
 225
 226     WebPageGroupProxy* pageGroup() const { return m_pageGroup.get(); }
 227
 228     void scrollMainFrameIfNotAtMaxScrollPosition(const WebCore::IntSize& scrollOffset);
 229
 230     bool scrollBy(uint32_t scrollDirection, uint32_t scrollGranularity);
 231
 232     void centerSelectionInVisibleArea();
 233
 234 #if PLATFORM(COCOA)
 235     void willCommitLayerTree(RemoteLayerTreeTransaction&);
 236     void didFlushLayerTreeAtTime(std::chrono::milliseconds);
 237 #endif
 238
 239     enum class LazyCreationPolicy { UseExistingOnly, CreateIfNeeded };
 240
 241     WebInspector* inspector(LazyCreationPolicy = LazyCreationPolicy::CreateIfNeeded);
 242     WebInspectorUI* inspectorUI();
 243     bool isInspectorPage() { return !!m_inspectorUI; }
 244
 245 #if PLATFORM(IOS)
 246     WebVideoFullscreenManager* videoFullscreenManager();
 247     void setAllowsMediaDocumentInlinePlayback(bool);
 248     bool allowsMediaDocumentInlinePlayback() const { return m_allowsMediaDocumentInlinePlayback; }
 249 #endif
 250
 251 #if ENABLE(FULLSCREEN_API)
 252     WebFullScreenManager* fullScreenManager();
 253 #endif
 254
 255     // -- Called by the DrawingArea.
 256     // FIXME: We could genericize these into a DrawingArea client interface. Would that be beneficial?
 257     void drawRect(WebCore::GraphicsContext&, const WebCore::IntRect&);
 258     void layoutIfNeeded();
 259
 260     // -- Called from WebCore clients.
 261     bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);
 262
 263     void didStartPageTransition();
 264     void didCompletePageTransition();
 265     void didCommitLoad(WebFrame*);
 266     void willReplaceMultipartContent(const WebFrame&);
 267     void didReplaceMultipartContent(const WebFrame&);
 268     void didFinishLoad(WebFrame*);
 269     void show();
 270     String userAgent(const WebCore::URL&) const;
 271     String userAgent(WebFrame*, const WebCore::URL&) const;
 272     String platformUserAgent(const WebCore::URL&) const;
 273     WebCore::KeyboardUIMode keyboardUIMode();
 274
 275     WebUndoStep* webUndoStep(uint64_t);
 276     void addWebUndoStep(uint64_t, WebUndoStep*);
 277     void removeWebEditCommand(uint64_t);
 278     bool isInRedo() const { return m_isInRedo; }
 279
 280     void setActivePopupMenu(WebPopupMenu*);
 281
 282 #if ENABLE(INPUT_TYPE_COLOR)
 283     WebColorChooser* activeColorChooser() const { return m_activeColorChooser; }
 284     void setActiveColorChooser(WebColorChooser*);
 285     void didChooseColor(const WebCore::Color&);
 286     void didEndColorPicker();
 287 #endif
 288
 289     WebOpenPanelResultListener* activeOpenPanelResultListener() const { return m_activeOpenPanelResultListener.get(); }
 290     void setActiveOpenPanelResultListener(PassRefPtr<WebOpenPanelResultListener>);
 291
 292     void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
 293     void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
 294
 295     // -- InjectedBundle methods
 296 #if ENABLE(CONTEXT_MENUS)
 297     void setInjectedBundleContextMenuClient(std::unique_ptr<API::InjectedBundle::PageContextMenuClient>);
 298 #endif
 299     void initializeInjectedBundleEditorClient(WKBundlePageEditorClientBase*);
 300     void setInjectedBundleFormClient(std::unique_ptr<API::InjectedBundle::FormClient>);
 301     void initializeInjectedBundleLoaderClient(WKBundlePageLoaderClientBase*);
 302     void initializeInjectedBundlePolicyClient(WKBundlePagePolicyClientBase*);
 303     void initializeInjectedBundleResourceLoadClient(WKBundlePageResourceLoadClientBase*);
 304     void setInjectedBundleUIClient(std::unique_ptr<API::InjectedBundle::PageUIClient>);
 305 #if ENABLE(FULLSCREEN_API)
 306     void initializeInjectedBundleFullScreenClient(WKBundlePageFullScreenClientBase*);
 307 #endif
 308     void initializeInjectedBundleDiagnosticLoggingClient(WKBundlePageDiagnosticLoggingClientBase*);
 309
 310 #if ENABLE(CONTEXT_MENUS)
 311     API::InjectedBundle::PageContextMenuClient& injectedBundleContextMenuClient() { return *m_contextMenuClient.get(); }
 312 #endif
 313     InjectedBundlePageEditorClient& injectedBundleEditorClient() { return m_editorClient; }
 314     API::InjectedBundle::FormClient& injectedBundleFormClient() { return *m_formClient.get(); }
 315     InjectedBundlePageLoaderClient& injectedBundleLoaderClient() { return m_loaderClient; }
 316     InjectedBundlePagePolicyClient& injectedBundlePolicyClient() { return m_policyClient; }
 317     InjectedBundlePageResourceLoadClient& injectedBundleResourceLoadClient() { return m_resourceLoadClient; }
 318     API::InjectedBundle::PageUIClient& injectedBundleUIClient() { return *m_uiClient.get(); }
 319     InjectedBundlePageDiagnosticLoggingClient& injectedBundleDiagnosticLoggingClient() { return m_logDiagnosticMessageClient; }
 320 #if ENABLE(FULLSCREEN_API)
 321     InjectedBundlePageFullScreenClient& injectedBundleFullScreenClient() { return m_fullScreenClient; }
 322 #endif
 323
 324     bool findStringFromInjectedBundle(const String&, FindOptions);
 325
 326     WebFrame* mainWebFrame() const { return m_mainFrame.get(); }
 327
 328     WebCore::MainFrame* mainFrame() const; // May return 0.
 329     WebCore::FrameView* mainFrameView() const; // May return 0.
 330
 331     PassRefPtr<WebCore::Range> currentSelectionAsRange();
 332
 333 #if ENABLE(NETSCAPE_PLUGIN_API)
 334     PassRefPtr<Plugin> createPlugin(WebFrame*, WebCore::HTMLPlugInElement*, const Plugin::Parameters&, String& newMIMEType);
 335 #endif
 336
 337 #if ENABLE(WEBGL)
 338     WebCore::WebGLLoadPolicy webGLPolicyForURL(WebFrame*, const String&);
 339     WebCore::WebGLLoadPolicy resolveWebGLPolicyForURL(WebFrame*, const String&);
 340 #endif // ENABLE(WEBGL)
 341
 342     enum class IncludePostLayoutDataHint { No, Yes };
 343     EditorState editorState(IncludePostLayoutDataHint = IncludePostLayoutDataHint::Yes) const;
 344     void sendPostLayoutEditorStateIfNeeded();
 345
 346     String renderTreeExternalRepresentation() const;
 347     String renderTreeExternalRepresentationForPrinting() const;
 348     uint64_t renderTreeSize() const;
 349
 350     void setTracksRepaints(bool);
 351     bool isTrackingRepaints() const;
 352     void resetTrackedRepaints();
 353     Ref<API::Array> trackedRepaintRects();
 354
 355     void executeEditingCommand(const String& commandName, const String& argument);
 356     bool isEditingCommandEnabled(const String& commandName);
 357     void clearMainFrameName();
 358     void sendClose();
 359
 360     void sendSetWindowFrame(const WebCore::FloatRect&);
 361
 362     double textZoomFactor() const;
 363     void setTextZoomFactor(double);
 364     double pageZoomFactor() const;
 365     void setPageZoomFactor(double);
 366     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
 367     void windowScreenDidChange(uint32_t);
 368
 369     void scalePage(double scale, const WebCore::IntPoint& origin);
 370     void scalePageInViewCoordinates(double scale, WebCore::IntPoint centerInViewCoordinates);
 371     double pageScaleFactor() const;
 372     double totalScaleFactor() const;
 373     double viewScaleFactor() const;
 374     void scaleView(double scale);
 375
 376     void setUseFixedLayout(bool);
 377     bool useFixedLayout() const { return m_useFixedLayout; }
 378     void setFixedLayoutSize(const WebCore::IntSize&);
 379     WebCore::IntSize fixedLayoutSize() const;
 380
 381     void listenForLayoutMilestones(uint32_t /* LayoutMilestones */);
 382
 383     void setSuppressScrollbarAnimations(bool);
 384
 385     void setEnableVerticalRubberBanding(bool);
 386     void setEnableHorizontalRubberBanding(bool);
 387
 388     void setBackgroundExtendsBeyondPage(bool);
 389
 390     void setPaginationMode(uint32_t /* WebCore::Pagination::Mode */);
 391     void setPaginationBehavesLikeColumns(bool);
 392     void setPageLength(double);
 393     void setGapBetweenPages(double);
 394
 395     void postInjectedBundleMessage(const String& messageName, const UserData&);
 396
 397     bool drawsBackground() const { return m_drawsBackground; }
 398     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
 399
 400     void setUnderlayColor(const WebCore::Color& color) { m_underlayColor = color; }
 401     WebCore::Color underlayColor() const { return m_underlayColor; }
 402
 403     void stopLoading();
 404     void stopLoadingFrame(uint64_t frameID);
 405     bool defersLoading() const;
 406     void setDefersLoading(bool deferLoading);
 407
 408     void enterAcceleratedCompositingMode(WebCore::GraphicsLayer*);
 409     void exitAcceleratedCompositingMode();
 410
 411     void addPluginView(PluginView*);
 412     void removePluginView(PluginView*);
 413
 414     bool isVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
 415     bool isVisibleOrOccluded() const { return m_viewState & WebCore::ViewState::IsVisibleOrOccluded; }
 416
 417     LayerHostingMode layerHostingMode() const { return m_layerHostingMode; }
 418     void setLayerHostingMode(unsigned);
 419
 420 #if PLATFORM(COCOA)
 421     void updatePluginsActiveAndFocusedState();
 422     const WebCore::FloatRect& windowFrameInScreenCoordinates() const { return m_windowFrameInScreenCoordinates; }
 423     const WebCore::FloatRect& windowFrameInUnflippedScreenCoordinates() const { return m_windowFrameInUnflippedScreenCoordinates; }
 424     const WebCore::FloatRect& viewFrameInWindowCoordinates() const { return m_viewFrameInWindowCoordinates; }
 425
 426     bool hasCachedWindowFrame() const { return m_hasCachedWindowFrame; }
 427
 428 #if !PLATFORM(IOS)
 429     void setTopOverhangImage(PassRefPtr<WebImage>);
 430     void setBottomOverhangImage(PassRefPtr<WebImage>);
 431 #endif // !PLATFORM(IOS)
 432
 433     void updateHeaderAndFooterLayersForDeviceScaleChange(float scaleFactor);
 434 #endif // PLATFORM(COCOA)
 435
 436     bool windowIsFocused() const;
 437     bool windowAndWebPageAreFocused() const;
 438
 439 #if !PLATFORM(IOS)
 440     void setHeaderPageBanner(PassRefPtr<PageBanner>);
 441     PageBanner* headerPageBanner();
 442     void setFooterPageBanner(PassRefPtr<PageBanner>);
 443     PageBanner* footerPageBanner();
 444
 445     void hidePageBanners();
 446     void showPageBanners();
 447
 448 #endif // !PLATFORM(IOS)
 449
 450     WebCore::IntPoint screenToRootView(const WebCore::IntPoint&);
 451     WebCore::IntRect rootViewToScreen(const WebCore::IntRect&);
 452
 453 #if PLATFORM(IOS)
 454     WebCore::IntPoint accessibilityScreenToRootView(const WebCore::IntPoint&);
 455     WebCore::IntRect rootViewToAccessibilityScreen(const WebCore::IntRect&);
 456 #endif
 457
 458     PassRefPtr<WebImage> scaledSnapshotWithOptions(const WebCore::IntRect&, double additionalScaleFactor, SnapshotOptions);
 459     PassRefPtr<WebImage> snapshotAtSize(const WebCore::IntRect&, const WebCore::IntSize& bitmapSize, SnapshotOptions);
 460     PassRefPtr<WebImage> snapshotNode(WebCore::Node&, SnapshotOptions, unsigned maximumPixelCount = std::numeric_limits<unsigned>::max());
 461
 462     static const WebEvent* currentEvent();
 463
 464     FindController& findController() { return m_findController; }
 465
 466 #if ENABLE(GEOLOCATION)
 467     GeolocationPermissionRequestManager& geolocationPermissionRequestManager() { return m_geolocationPermissionRequestManager; }
 468 #endif
 469
 470 #if PLATFORM(IOS) || PLATFORM(EFL)
 471     void savePageState(WebCore::HistoryItem&);
 472     void restorePageState(const WebCore::HistoryItem&);
 473 #endif
 474
 475 #if ENABLE(MEDIA_STREAM)
 476     UserMediaPermissionRequestManager& userMediaPermissionRequestManager() { return m_userMediaPermissionRequestManager; }
 477 #endif
 478
 479 #if PLATFORM(IOS)
 480     WebCore::FloatSize screenSize() const;
 481     WebCore::FloatSize availableScreenSize() const;
 482     int32_t deviceOrientation() const { return m_deviceOrientation; }
 483     void viewportPropertiesDidChange(const WebCore::ViewportArguments&);
 484     void didReceiveMobileDocType(bool);
 485
 486     void setUseTestingViewportConfiguration(bool useTestingViewport) { m_useTestingViewportConfiguration = useTestingViewport; }
 487     bool isUsingTestingViewportConfiguration() const { return m_useTestingViewportConfiguration; }
 488
 489     double minimumPageScaleFactor() const;
 490     double maximumPageScaleFactor() const;
 491     bool allowsUserScaling() const;
 492     bool hasStablePageScaleFactor() const { return m_hasStablePageScaleFactor; }
 493
 494     void handleTap(const WebCore::IntPoint&, uint64_t lastLayerTreeTransactionId);
 495     void potentialTapAtPosition(uint64_t requestID, const WebCore::FloatPoint&);
 496     void commitPotentialTap(uint64_t lastLayerTreeTransactionId);
 497     void commitPotentialTapFailed();
 498     void cancelPotentialTap();
 499     void cancelPotentialTapInFrame(WebFrame&);
 500     void tapHighlightAtPosition(uint64_t requestID, const WebCore::FloatPoint&);
 501
 502     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
 503     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
 504
 505     void blurAssistedNode();
 506     void selectWithGesture(const WebCore::IntPoint&, uint32_t granularity, uint32_t gestureType, uint32_t gestureState, bool isInteractingWithAssistedNode, uint64_t callbackID);
 507     void updateSelectionWithTouches(const WebCore::IntPoint& point, uint32_t touches, bool baseIsStart, uint64_t callbackID);
 508     void updateBlockSelectionWithTouch(const WebCore::IntPoint&, uint32_t touch, uint32_t handlePosition);
 509     void selectWithTwoTouches(const WebCore::IntPoint& from, const WebCore::IntPoint& to, uint32_t gestureType, uint32_t gestureState, uint64_t callbackID);
 510     void extendSelection(uint32_t granularity);
 511     void selectWordBackward();
 512     void moveSelectionByOffset(int32_t offset, uint64_t callbackID);
 513     void selectTextWithGranularityAtPoint(const WebCore::IntPoint&, uint32_t granularity, bool isInteractingWithAssistedNode, uint64_t callbackID);
 514     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint&, uint32_t granularity, uint32_t direction, bool isInteractingWithAssistedNode, uint64_t callbackID);
 515     void moveSelectionAtBoundaryWithDirection(uint32_t granularity, uint32_t direction, uint64_t callbackID);
 516     void selectPositionAtPoint(const WebCore::IntPoint&, bool isInteractingWithAssistedNode, uint64_t callbackID);
 517     void beginSelectionInDirection(uint32_t direction, uint64_t callbackID);
 518     void updateSelectionWithExtentPoint(const WebCore::IntPoint&, bool isInteractingWithAssistedNode, uint64_t callbackID);
 519     void updateSelectionWithExtentPointAndBoundary(const WebCore::IntPoint&, uint32_t granularity, bool isInteractingWithAssistedNode, uint64_t callbackID);
 520
 521     void elementDidFocus(WebCore::Node*);
 522     void elementDidBlur(WebCore::Node*);
 523     void requestDictationContext(uint64_t callbackID);
 524     void replaceDictatedText(const String& oldText, const String& newText);
 525     void replaceSelectedText(const String& oldText, const String& newText);
 526     void requestAutocorrectionData(const String& textForAutocorrection, uint64_t callbackID);
 527     void applyAutocorrection(const String& correction, const String& originalText, uint64_t callbackID);
 528     void syncApplyAutocorrection(const String& correction, const String& originalText, bool& correctionApplied);
 529     void requestAutocorrectionContext(uint64_t callbackID);
 530     void getAutocorrectionContext(String& beforeText, String& markedText, String& selectedText, String& afterText, uint64_t& location, uint64_t& length);
 531     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
 532     void requestPositionInformation(const WebCore::IntPoint&);
 533     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
 534     void stopInteraction();
 535     void performActionOnElement(uint32_t action);
 536     void focusNextAssistedNode(bool isForward, uint64_t callbackID);
 537     void setAssistedNodeValue(const String&);
 538     void setAssistedNodeValueAsNumber(double);
 539     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection);
 540     void resetAssistedNodeForFrame(WebFrame*);
 541     WebCore::IntRect rectForElementAtInteractionLocation();
 542     void updateSelectionAppearance();
 543     void getLookupContextAtPoint(const WebCore::IntPoint, uint64_t callbackID);
 544
 545 #if ENABLE(IOS_TOUCH_EVENTS)
 546     void dispatchAsynchronousTouchEvents(const Vector<WebTouchEvent, 1>& queue);
 547 #endif
 548
 549     void contentSizeCategoryDidChange(const String&);
 550     void executeEditCommandWithCallback(const String&, uint64_t callbackID);
 551
 552     std::chrono::milliseconds eventThrottlingDelay() const;
 553
 554     void showInspectorHighlight(const WebCore::Highlight&);
 555     void hideInspectorHighlight();
 556
 557     void showInspectorIndication();
 558     void hideInspectorIndication();
 559
 560     void enableInspectorNodeSearch();
 561     void disableInspectorNodeSearch();
 562 #endif
 563
 564     void setLayerTreeStateIsFrozen(bool);
 565     bool markLayersVolatileImmediatelyIfPossible();
 566
 567     NotificationPermissionRequestManager* notificationPermissionRequestManager();
 568
 569     void pageDidScroll();
 570 #if USE(COORDINATED_GRAPHICS)
 571     void pageDidRequestScroll(const WebCore::IntPoint&);
 572     void setFixedVisibleContentRect(const WebCore::IntRect&);
 573     void sendViewportAttributesChanged();
 574 #endif
 575
 576 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
 577     void commitPageTransitionViewport();
 578 #endif
 579
 580 #if ENABLE(CONTEXT_MENUS)
 581     WebContextMenu* contextMenu();
 582     WebContextMenu* contextMenuAtPointInWindow(const WebCore::IntPoint&);
 583 #endif
 584
 585     bool hasLocalDataForURL(const WebCore::URL&);
 586     String cachedResponseMIMETypeForURL(const WebCore::URL&);
 587     String cachedSuggestedFilenameForURL(const WebCore::URL&);
 588     PassRefPtr<WebCore::SharedBuffer> cachedResponseDataForURL(const WebCore::URL&);
 589
 590     static bool canHandleRequest(const WebCore::ResourceRequest&);
 591
 592     class SandboxExtensionTracker {
 593     public:
 594         ~SandboxExtensionTracker();
 595
 596         void invalidate();
 597
 598         void beginLoad(WebFrame*, const SandboxExtension::Handle& handle);
 599         void willPerformLoadDragDestinationAction(PassRefPtr<SandboxExtension> pendingDropSandboxExtension);
 600         void didStartProvisionalLoad(WebFrame*);
 601         void didCommitProvisionalLoad(WebFrame*);
 602         void didFailProvisionalLoad(WebFrame*);
 603
 604     private:
 605         void setPendingProvisionalSandboxExtension(PassRefPtr<SandboxExtension>);
 606
 607         RefPtr<SandboxExtension> m_pendingProvisionalSandboxExtension;
 608         RefPtr<SandboxExtension> m_provisionalSandboxExtension;
 609         RefPtr<SandboxExtension> m_committedSandboxExtension;
 610     };
 611
 612     SandboxExtensionTracker& sandboxExtensionTracker() { return m_sandboxExtensionTracker; }
 613
 614 #if PLATFORM(EFL)
 615     void setThemePath(const String&);
 616 #endif
 617
 618 #if PLATFORM(GTK)
 619     void setComposition(const String& text, const Vector<WebCore::CompositionUnderline>& underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeLength);
 620     void confirmComposition(const String& text, int64_t selectionStart, int64_t selectionLength);
 621     void cancelComposition();
 622 #endif
 623
 624 #if PLATFORM (GTK) && HAVE(GTK_GESTURES)
 625     void getCenterForZoomGesture(const WebCore::IntPoint& centerInViewCoordinates, WebCore::IntPoint& result);
 626 #endif
 627
 628     void didApplyStyle();
 629     void didChangeSelection();
 630     void discardedComposition();
 631
 632 #if PLATFORM(COCOA)
 633     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
 634     WKAccessibilityWebPageObject* accessibilityRemoteObject();
 635     NSObject *accessibilityObjectForMainFramePlugin();
 636     const WebCore::FloatPoint& accessibilityPosition() const { return m_accessibilityPosition; }
 637
 638     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
 639
 640     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
 641     void getMarkedRangeAsync(uint64_t callbackID);
 642     void getSelectedRangeAsync(uint64_t callbackID);
 643     void characterIndexForPointAsync(const WebCore::IntPoint&, uint64_t callbackID);
 644     void firstRectForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 645     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 646     void confirmCompositionAsync();
 647
 648 #if PLATFORM(MAC)
 649     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool registerUndoGroup = false);
 650     void attributedSubstringForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 651     void fontAtSelection(uint64_t callbackID);
 652 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
 653     void insertText(const String& text, const EditingRange& replacementRange, bool& handled, EditorState& newState);
 654     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange, EditorState& newState);
 655     void confirmComposition(EditorState& newState);
 656     void insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool& handled, EditorState& newState);
 657     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
 658     void getMarkedRange(EditingRange&);
 659     void getSelectedRange(EditingRange&);
 660     void characterIndexForPoint(const WebCore::IntPoint point, uint64_t& result);
 661     void firstRectForCharacterRange(const EditingRange&, WebCore::IntRect& resultRect);
 662     void executeKeypressCommands(const Vector<WebCore::KeypressCommand>&, bool& handled, EditorState& newState);
 663     void cancelComposition(EditorState& newState);
 664 #endif
 665 #endif
 666
 667     void readSelectionFromPasteboard(const WTF::String& pasteboardName, bool& result);
 668     void getStringSelectionForPasteboard(WTF::String& stringValue);
 669     void getDataSelectionForPasteboard(const WTF::String pasteboardType, SharedMemory::Handle& handle, uint64_t& size);
 670     void shouldDelayWindowOrderingEvent(const WebKit::WebMouseEvent&, bool& result);
 671     void acceptsFirstMouse(int eventNumber, const WebKit::WebMouseEvent&, bool& result);
 672     bool performNonEditingBehaviorForSelector(const String&, WebCore::KeyboardEvent*);
 673
 674 #if ENABLE(SERVICE_CONTROLS)
 675     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
 676 #endif
 677
 678 #elif PLATFORM(EFL)
 679     void confirmComposition(const String& compositionString);
 680     void setComposition(const WTF::String& compositionString, const WTF::Vector<WebCore::CompositionUnderline>& underlines, uint64_t cursorPosition);
 681     void cancelComposition();
 682 #endif
 683
 684 #if HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
 685     void updateAccessibilityTree();
 686 #endif
 687
 688     void setCompositionForTesting(const String& compositionString, uint64_t from, uint64_t length);
 689     bool hasCompositionForTesting();
 690     void confirmCompositionForTesting(const String& compositionString);
 691
 692     // FIXME: This a dummy message, to avoid breaking the build for platforms that don't require
 693     // any synchronous messages, and should be removed when <rdar://problem/8775115> is fixed.
 694     void dummy(bool&);
 695
 696 #if PLATFORM(COCOA)
 697     bool isSpeaking();
 698     void speak(const String&);
 699     void stopSpeaking();
 700
 701     void performDictionaryLookupForSelection(WebCore::Frame*, const WebCore::VisibleSelection&, WebCore::TextIndicatorPresentationTransition);
 702 #endif
 703
 704     bool isSmartInsertDeleteEnabled();
 705     void setSmartInsertDeleteEnabled(bool);
 706
 707     bool isSelectTrailingWhitespaceEnabled();
 708     void setSelectTrailingWhitespaceEnabled(bool);
 709
 710     void replaceSelectionWithText(WebCore::Frame*, const String&);
 711     void clearSelection();
 712     void restoreSelectionInFocusedEditableElement();
 713
 714 #if ENABLE(DRAG_SUPPORT)
 715 #if PLATFORM(GTK)
 716     void performDragControllerAction(uint64_t action, WebCore::DragData);
 717 #else
 718     void performDragControllerAction(uint64_t action, WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, uint64_t draggingSourceOperationMask, const WTF::String& dragStorageName, uint32_t flags, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
 719 #endif
 720     void dragEnded(WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, uint64_t operation);
 721
 722     void willPerformLoadDragDestinationAction();
 723     void mayPerformUploadDragDestinationAction();
 724
 725     void willStartDrag() { ASSERT(!m_isStartingDrag); m_isStartingDrag = true; }
 726     void didStartDrag() { ASSERT(m_isStartingDrag); m_isStartingDrag = false; }
 727 #endif // ENABLE(DRAG_SUPPORT)
 728
 729     void beginPrinting(uint64_t frameID, const PrintInfo&);
 730     void endPrinting();
 731     void computePagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 732     void computePagesForPrintingImpl(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& pageRects, double& totalScaleFactor);
 733 #if PLATFORM(COCOA)
 734     void drawRectToImage(uint64_t frameID, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, uint64_t callbackID);
 735     void drawPagesToPDF(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, uint64_t callbackID);
 736     void drawPagesToPDFImpl(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, RetainPtr<CFMutableDataRef>& pdfPageData);
 737 #if PLATFORM(IOS)
 738     void computePagesForPrintingAndStartDrawingToPDF(uint64_t frameID, const PrintInfo&, uint32_t firstPage, PassRefPtr<Messages::WebPage::ComputePagesForPrintingAndStartDrawingToPDF::DelayedReply>);
 739 #endif
 740 #elif PLATFORM(GTK)
 741     void drawPagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 742     void didFinishPrintOperation(const WebCore::ResourceError&, uint64_t callbackID);
 743 #endif
 744
 745     void addResourceRequest(unsigned long, const WebCore::ResourceRequest&);
 746     void removeResourceRequest(unsigned long);
 747
 748     void setMediaVolume(float);
 749     void setMuted(bool);
 750     void setMayStartMediaWhenInWindow(bool);
 751
 752 #if ENABLE(MEDIA_SESSION)
 753     void handleMediaEvent(uint32_t /* WebCore::MediaEventType */);
 754     void setVolumeOfMediaElement(double, uint64_t);
 755 #endif
 756
 757     void updateMainFrameScrollOffsetPinning();
 758
 759     bool mainFrameHasCustomContentProvider() const;
 760     void addMIMETypeWithCustomContentProvider(const String&);
 761
 762     void mainFrameDidLayout();
 763
 764     bool canRunBeforeUnloadConfirmPanel() const { return m_canRunBeforeUnloadConfirmPanel; }
 765     void setCanRunBeforeUnloadConfirmPanel(bool canRunBeforeUnloadConfirmPanel) { m_canRunBeforeUnloadConfirmPanel = canRunBeforeUnloadConfirmPanel; }
 766
 767     bool canRunModal() const { return m_canRunModal; }
 768     void setCanRunModal(bool canRunModal) { m_canRunModal = canRunModal; }
 769
 770     void runModal();
 771
 772     void setDeviceScaleFactor(float);
 773     float deviceScaleFactor() const;
 774
 775     void forceRepaintWithoutCallback();
 776
 777     void unmarkAllMisspellings();
 778     void unmarkAllBadGrammar();
 779 #if PLATFORM(COCOA)
 780     void handleAlternativeTextUIResult(const String&);
 781 #endif
 782
 783     // For testing purpose.
 784     void simulateMouseDown(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 785     void simulateMouseUp(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 786     void simulateMouseMotion(WebCore::IntPoint, double time);
 787
 788 #if ENABLE(CONTEXT_MENUS)
 789     void contextMenuShowing() { m_isShowingContextMenu = true; }
 790 #endif
 791
 792     void wheelEvent(const WebWheelEvent&);
 793
 794     void wheelEventHandlersChanged(bool);
 795     void recomputeShortCircuitHorizontalWheelEventsState();
 796
 797     void updateVisibilityState(bool isInitialState = false);
 798
 799 #if PLATFORM(IOS)
 800     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
 801     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
 802     void setDeviceOrientation(int32_t);
 803     void dynamicViewportSizeUpdate(const WebCore::FloatSize& minimumLayoutSize, const WebCore::FloatSize& maximumUnobscuredSize, const WebCore::FloatRect& targetExposedContentRect, const WebCore::FloatRect& targetUnobscuredRect, const WebCore::FloatRect& targetUnobscuredRectInScrollViewCoordinates, double scale, int32_t deviceOrientation, uint64_t dynamicViewportSizeUpdateID);
 804     void synchronizeDynamicViewportUpdate(double& newTargetScale, WebCore::FloatPoint& newScrollPosition, uint64_t& nextValidLayerTreeTransactionID);
 805     void updateVisibleContentRects(const VisibleContentRectUpdateInfo&, double oldestTimestamp);
 806     bool scaleWasSetByUIProcess() const { return m_scaleWasSetByUIProcess; }
 807     void willStartUserTriggeredZooming();
 808     void applicationWillResignActive();
 809     void applicationDidEnterBackground(bool isSuspendedUnderLock);
 810     void applicationWillEnterForeground(bool isSuspendedUnderLock);
 811     void applicationDidBecomeActive();
 812     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
 813     void completePendingSyntheticClickForContentChangeObserver();
 814 #endif
 815
 816 #if ENABLE(IOS_TOUCH_EVENTS)
 817     void dispatchTouchEvent(const WebTouchEvent&, bool& handled);
 818 #endif
 819
 820 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
 821     uint64_t nativeWindowHandle() { return m_nativeWindowHandle; }
 822 #endif
 823
 824     bool shouldUseCustomContentProviderForResponse(const WebCore::ResourceResponse&);
 825     bool canPluginHandleResponse(const WebCore::ResourceResponse& response);
 826
 827     bool asynchronousPluginInitializationEnabled() const { return m_asynchronousPluginInitializationEnabled; }
 828     void setAsynchronousPluginInitializationEnabled(bool enabled) { m_asynchronousPluginInitializationEnabled = enabled; }
 829     bool asynchronousPluginInitializationEnabledForAllPlugins() const { return m_asynchronousPluginInitializationEnabledForAllPlugins; }
 830     void setAsynchronousPluginInitializationEnabledForAllPlugins(bool enabled) { m_asynchronousPluginInitializationEnabledForAllPlugins = enabled; }
 831     bool artificialPluginInitializationDelayEnabled() const { return m_artificialPluginInitializationDelayEnabled; }
 832     void setArtificialPluginInitializationDelayEnabled(bool enabled) { m_artificialPluginInitializationDelayEnabled = enabled; }
 833     void setTabToLinksEnabled(bool enabled) { m_tabToLinks = enabled; }
 834     bool tabToLinksEnabled() const { return m_tabToLinks; }
 835
 836     bool scrollingPerformanceLoggingEnabled() const { return m_scrollingPerformanceLoggingEnabled; }
 837     void setScrollingPerformanceLoggingEnabled(bool);
 838
 839 #if PLATFORM(COCOA)
 840     bool shouldUsePDFPlugin() const;
 841     bool pdfPluginEnabled() const { return m_pdfPluginEnabled; }
 842     void setPDFPluginEnabled(bool enabled) { m_pdfPluginEnabled = enabled; }
 843 #endif
 844
 845     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size);
 846 #if PLATFORM(COCOA)
 847     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
 848 #endif
 849
 850     bool mainFrameIsScrollable() const { return m_mainFrameIsScrollable; }
 851
 852     void setMinimumLayoutSize(const WebCore::IntSize&);
 853     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
 854
 855     void setAutoSizingShouldExpandToViewHeight(bool shouldExpand);
 856     bool autoSizingShouldExpandToViewHeight() { return m_autoSizingShouldExpandToViewHeight; }
 857
 858     bool canShowMIMEType(const String& MIMEType) const;
 859
 860     void addTextCheckingRequest(uint64_t requestID, PassRefPtr<WebCore::TextCheckingRequest>);
 861     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
 862     void didCancelCheckingText(uint64_t requestID);
 863
 864 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
 865     void determinePrimarySnapshottedPlugIn();
 866     void determinePrimarySnapshottedPlugInTimerFired();
 867     void resetPrimarySnapshottedPlugIn();
 868     bool matchesPrimaryPlugIn(const String& pageOrigin, const String& pluginOrigin, const String& mimeType) const;
 869     bool plugInIntersectsSearchRect(WebCore::HTMLPlugInImageElement& pluginImageElement);
 870     bool plugInIsPrimarySize(WebCore::HTMLPlugInImageElement& pluginImageElement, unsigned &pluginArea);
 871 #endif
 872
 873     unsigned extendIncrementalRenderingSuppression();
 874     void stopExtendingIncrementalRenderingSuppression(unsigned token);
 875     bool shouldExtendIncrementalRenderingSuppression() { return !m_activeRenderingSuppressionTokens.isEmpty(); }
 876
 877     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
 878     void setScrollPinningBehavior(uint32_t /* WebCore::ScrollPinningBehavior */ pinning);
 879
 880     WTF::Optional<WebCore::ScrollbarOverlayStyle> scrollbarOverlayStyle() { return m_scrollbarOverlayStyle; }
 881     void setScrollbarOverlayStyle(WTF::Optional<uint32_t /* WebCore::ScrollbarOverlayStyle */> scrollbarStyle);
 882
 883     Ref<WebCore::DocumentLoader> createDocumentLoader(WebCore::Frame&, const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
 884     void updateCachedDocumentLoader(WebDocumentLoader&, WebCore::Frame&);
 885
 886     void getBytecodeProfile(uint64_t callbackID);
 887
 888     // Some platforms require accessibility-enabled processes to spin the run loop so that the WebProcess doesn't hang.
 889     // While this is not ideal, it does not have to be applied to every platform at the moment.
 890     static bool synchronousMessagesShouldSpinRunLoop();
 891
 892 #if ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION)
 893     void handleTelephoneNumberClick(const String& number, const WebCore::IntPoint&);
 894     void handleSelectionServiceClick(WebCore::FrameSelection&, const Vector<String>& telephoneNumbers, const WebCore::IntPoint&);
 895 #endif
 896
 897     void didChangeScrollOffsetForFrame(WebCore::Frame*);
 898
 899     void setMainFrameProgressCompleted(bool completed) { m_mainFrameProgressCompleted = completed; }
 900     bool shouldDispatchFakeMouseMoveEvents() const { return m_shouldDispatchFakeMouseMoveEvents; }
 901
 902     void setPageActivityState(WebCore::PageActivityState::Flags);
 903
 904     void postMessage(const String& messageName, API::Object* messageBody);
 905     void postSynchronousMessageForTesting(const String& messageName, API::Object* messageBody, RefPtr<API::Object>& returnData);
 906
 907 #if PLATFORM(GTK)
 908     void setInputMethodState(bool);
 909 #endif
 910
 911     void imageOrMediaDocumentSizeChanged(const WebCore::IntSize&);
 912 #if ENABLE(VIDEO)
 913 #if USE(GSTREAMER)
 914     void requestInstallMissingMediaPlugins(const String& details, const String& description, WebCore::MediaPlayerRequestInstallMissingPluginsCallback&);
 915 #endif
 916 #endif
 917
 918     void addUserScript(const String& source, WebCore::UserContentInjectedFrames, WebCore::UserScriptInjectionTime);
 919     void addUserStyleSheet(const String& source, WebCore::UserContentInjectedFrames);
 920     void removeAllUserContent();
 921
 922     void dispatchDidLayout(WebCore::LayoutMilestones);
 923
 924 private:
 925     WebPage(uint64_t pageID, const WebPageCreationParameters&);
 926
 927     // IPC::MessageSender
 928     virtual IPC::Connection* messageSenderConnection() override;
 929     virtual uint64_t messageSenderDestinationID() override;
 930
 931     void platformInitialize();
 932     void platformDetach();
 933     void platformEditorState(WebCore::Frame&, EditorState& result, IncludePostLayoutDataHint) const;
 934
 935     void didReceiveWebPageMessage(IPC::Connection&, IPC::MessageDecoder&);
 936     void didReceiveSyncWebPageMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
 937
 938 #if PLATFORM(IOS)
 939     void resetViewportDefaultConfiguration(WebFrame* mainFrame);
 940     void viewportConfigurationChanged();
 941     void updateViewportSizeForCSSViewportUnits();
 942
 943     static void convertSelectionRectsToRootView(WebCore::FrameView*, Vector<WebCore::SelectionRect>&);
 944     PassRefPtr<WebCore::Range> rangeForWebSelectionAtPosition(const WebCore::IntPoint&, const WebCore::VisiblePosition&, SelectionFlags&);
 945     PassRefPtr<WebCore::Range> rangeForBlockAtPoint(const WebCore::IntPoint&);
 946     void computeExpandAndShrinkThresholdsForHandle(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold);
 947     PassRefPtr<WebCore::Range> changeBlockSelection(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold, SelectionFlags&);
 948     PassRefPtr<WebCore::Range> expandedRangeFromHandle(WebCore::Range*, SelectionHandlePosition);
 949     PassRefPtr<WebCore::Range> contractedRangeFromHandle(WebCore::Range* currentRange, SelectionHandlePosition, SelectionFlags&);
 950     void getAssistedNodeInformation(AssistedNodeInformation&);
 951     void platformInitializeAccessibility();
 952     void handleSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 953     void completeSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 954     void sendTapHighlightForNodeIfNecessary(uint64_t requestID, WebCore::Node*);
 955     void resetTextAutosizingBeforeLayoutIfNeeded(const WebCore::FloatSize& oldSize, const WebCore::FloatSize& newSize);
 956     WebCore::VisiblePosition visiblePositionInFocusedNodeForPoint(const WebCore::Frame&, const WebCore::IntPoint&, bool isInteractingWithAssistedNode);
 957     PassRefPtr<WebCore::Range> rangeForGranularityAtPoint(const WebCore::Frame&, const WebCore::IntPoint&, uint32_t granularity, bool isInteractingWithAssistedNode);
 958     void volatilityTimerFired();
 959 #endif
 960 #if !PLATFORM(COCOA)
 961     static const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
 962 #endif
 963     bool performDefaultBehaviorForKeyEvent(const WebKeyboardEvent&);
 964
 965 #if PLATFORM(MAC)
 966     bool executeKeypressCommandsInternal(const Vector<WebCore::KeypressCommand>&, WebCore::KeyboardEvent*);
 967 #endif
 968
 969     String sourceForFrame(WebFrame*);
 970
 971     void loadDataImpl(uint64_t navigationID, PassRefPtr<WebCore::SharedBuffer>, const String& MIMEType, const String& encodingName, const WebCore::URL& baseURL, const WebCore::URL& failingURL, const UserData&);
 972     void loadString(uint64_t navigationID, const String&, const String& MIMEType, const WebCore::URL& baseURL, const WebCore::URL& failingURL, const UserData&);
 973
 974     bool platformHasLocalDataForURL(const WebCore::URL&);
 975
 976     // Actions
 977     void tryClose();
 978     void loadRequest(uint64_t navigationID, const WebCore::ResourceRequest&, const SandboxExtension::Handle&, uint64_t shouldOpenExternalURLsPolicy, const UserData&);
 979     void loadData(uint64_t navigationID, const IPC::DataReference&, const String& MIMEType, const String& encodingName, const String& baseURL, const UserData&);
 980     void loadHTMLString(uint64_t navigationID, const String& htmlString, const String& baseURL, const UserData&);
 981     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, const String& provisionalLoadErrorURL, const UserData&);
 982     void loadPlainTextString(const String&, const UserData&);
 983     void loadWebArchiveData(const IPC::DataReference&, const UserData&);
 984     void navigateToPDFLinkWithSimulatedClick(const String& url, WebCore::IntPoint documentPoint, WebCore::IntPoint screenPoint);
 985     void reload(uint64_t navigationID, bool reloadFromOrigin, const SandboxExtension::Handle&);
 986     void goForward(uint64_t navigationID, uint64_t);
 987     void goBack(uint64_t navigationID, uint64_t);
 988     void goToBackForwardItem(uint64_t navigationID, uint64_t);
 989     void tryRestoreScrollPosition();
 990     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&, uint64_t callbackID);
 991     void updateIsInWindow(bool isInitialState = false);
 992     void setViewState(WebCore::ViewState::Flags, bool wantsDidUpdateViewState, const Vector<uint64_t>& callbackIDs);
 993     void validateCommand(const String&, uint64_t);
 994     void executeEditCommand(const String&, const String&);
 995     void setEditable(bool);
 996
 997     void updateUserActivity();
 998
 999     void mouseEvent(const WebMouseEvent&);
1000     void keyEvent(const WebKeyboardEvent&);
1001 #if ENABLE(IOS_TOUCH_EVENTS)
1002     void touchEventSync(const WebTouchEvent&, bool& handled);
1003 #elif ENABLE(TOUCH_EVENTS)
1004     void touchEvent(const WebTouchEvent&);
1005 #endif
1006 #if ENABLE(CONTEXT_MENUS)
1007     void contextMenuHidden() { m_isShowingContextMenu = false; }
1008 #endif
1009
1010     static bool scroll(WebCore::Page*, WebCore::ScrollDirection, WebCore::ScrollGranularity);
1011     static bool logicalScroll(WebCore::Page*, WebCore::ScrollLogicalDirection, WebCore::ScrollGranularity);
1012
1013     void loadURLInFrame(const String&, uint64_t frameID);
1014
1015     void restoreSession(const Vector<BackForwardListItemState>&);
1016     void didRemoveBackForwardItem(uint64_t);
1017
1018 #if ENABLE(REMOTE_INSPECTOR)
1019     void setAllowsRemoteInspection(bool);
1020 #endif
1021
1022     void setDrawsBackground(bool);
1023     void setDrawsTransparentBackground(bool);
1024
1025     void setTopContentInset(float);
1026
1027     void viewWillStartLiveResize();
1028     void viewWillEndLiveResize();
1029
1030     void getContentsAsString(uint64_t callbackID);
1031 #if ENABLE(MHTML)
1032     void getContentsAsMHTMLData(uint64_t callbackID, bool useBinaryEncoding);
1033 #endif
1034     void getMainResourceDataOfFrame(uint64_t frameID, uint64_t callbackID);
1035     void getResourceDataFromFrame(uint64_t frameID, const String& resourceURL, uint64_t callbackID);
1036     void getRenderTreeExternalRepresentation(uint64_t callbackID);
1037     void getSelectionOrContentsAsString(uint64_t callbackID);
1038     void getSelectionAsWebArchiveData(uint64_t callbackID);
1039     void getSourceForFrame(uint64_t frameID, uint64_t callbackID);
1040     void getWebArchiveOfFrame(uint64_t frameID, uint64_t callbackID);
1041     void runJavaScriptInMainFrame(const String&, uint64_t callbackID);
1042     void forceRepaint(uint64_t callbackID);
1043     void takeSnapshot(WebCore::IntRect snapshotRect, WebCore::IntSize bitmapSize, uint32_t options, uint64_t callbackID);
1044
1045     void preferencesDidChange(const WebPreferencesStore&);
1046     void platformPreferencesDidChange(const WebPreferencesStore&);
1047     void updatePreferences(const WebPreferencesStore&);
1048
1049     void didReceivePolicyDecision(uint64_t frameID, uint64_t listenerID, uint32_t policyAction, uint64_t navigationID, uint64_t downloadID);
1050     void setUserAgent(const String&);
1051     void setCustomTextEncodingName(const String&);
1052     void suspendActiveDOMObjectsAndAnimations();
1053     void resumeActiveDOMObjectsAndAnimations();
1054
1055 #if PLATFORM(COCOA)
1056     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
1057     void performDictionaryLookupOfCurrentSelection();
1058     void performDictionaryLookupForRange(WebCore::Frame*, WebCore::Range&, NSDictionary *options, WebCore::TextIndicatorPresentationTransition);
1059     WebCore::DictionaryPopupInfo dictionaryPopupInfoForRange(WebCore::Frame*, WebCore::Range&, NSDictionary **options, WebCore::TextIndicatorPresentationTransition);
1060 #if ENABLE(PDFKIT_PLUGIN)
1061     WebCore::DictionaryPopupInfo dictionaryPopupInfoForSelectionInPDFPlugin(PDFSelection *, PDFPlugin&, NSDictionary **options, WebCore::TextIndicatorPresentationTransition);
1062 #endif
1063
1064     void windowAndViewFramesChanged(const WebCore::FloatRect& windowFrameInScreenCoordinates, const WebCore::FloatRect& windowFrameInUnflippedScreenCoordinates, const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
1065
1066     RetainPtr<PDFDocument> pdfDocumentForPrintingFrame(WebCore::Frame*);
1067     void computePagesForPrintingPDFDocument(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& resultPageRects);
1068     void drawPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, const WebCore::IntRect&);
1069     void drawPagesToPDFFromPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, uint32_t first, uint32_t count);
1070 #endif
1071
1072     void setMainFrameIsScrollable(bool);
1073
1074     void unapplyEditCommand(uint64_t commandID);
1075     void reapplyEditCommand(uint64_t commandID);
1076     void didRemoveEditCommand(uint64_t commandID);
1077
1078     void findString(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1079     void findStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1080     void getImageForFindMatch(uint32_t matchIndex);
1081     void selectFindMatch(uint32_t matchIndex);
1082     void hideFindUI();
1083     void countStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1084
1085 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
1086     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize& area);
1087 #endif
1088
1089     void didChangeSelectedIndexForActivePopupMenu(int32_t newIndex);
1090     void setTextForActivePopupMenu(int32_t index);
1091
1092 #if PLATFORM(GTK)
1093     void failedToShowPopupMenu();
1094 #endif
1095
1096 #if PLATFORM(IOS)
1097     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const IPC::DataReference& iconData);
1098 #endif
1099     void didChooseFilesForOpenPanel(const Vector<String>&);
1100     void didCancelForOpenPanel();
1101 #if ENABLE(SANDBOX_EXTENSIONS)
1102     void extendSandboxForFileFromOpenPanel(const SandboxExtension::Handle&);
1103 #endif
1104
1105     void didReceiveGeolocationPermissionDecision(uint64_t geolocationID, bool allowed);
1106
1107     void didReceiveNotificationPermissionDecision(uint64_t notificationID, bool allowed);
1108
1109 #if ENABLE(MEDIA_STREAM)
1110     WK_EXPORT void didReceiveUserMediaPermissionDecision(uint64_t userMediaID, bool allowed, const String& audioDeviceUID, const String& videoDeviceUID);
1111 #endif
1112
1113     void advanceToNextMisspelling(bool startBeforeSelection);
1114     void changeSpellingToWord(const String& word);
1115 #if USE(APPKIT)
1116     void uppercaseWord();
1117     void lowercaseWord();
1118     void capitalizeWord();
1119 #endif
1120
1121 #if ENABLE(CONTEXT_MENUS)
1122     void didSelectItemFromActiveContextMenu(const WebContextMenuItemData&);
1123 #endif
1124
1125     void changeSelectedIndex(int32_t index);
1126     void setCanStartMediaTimerFired();
1127
1128     bool canHandleUserEvents() const;
1129
1130     static bool platformCanHandleRequest(const WebCore::ResourceRequest&);
1131
1132     static PluginView* focusedPluginViewForFrame(WebCore::Frame&);
1133     static PluginView* pluginViewForFrame(WebCore::Frame*);
1134
1135     static PassRefPtr<WebCore::Range> rangeFromEditingRange(WebCore::Frame&, const EditingRange&);
1136
1137     void reportUsedFeatures();
1138
1139 #if PLATFORM(MAC)
1140     void performImmediateActionHitTestAtLocation(WebCore::FloatPoint);
1141     RefPtr<WebCore::Range> lookupTextAtLocation(WebCore::FloatPoint, NSDictionary **options);
1142     void immediateActionDidUpdate();
1143     void immediateActionDidCancel();
1144     void immediateActionDidComplete();
1145     void setFont(const String& fontFamily, double fontSize, uint64_t fontTraits);
1146
1147     void dataDetectorsDidPresentUI(WebCore::PageOverlay::PageOverlayID);
1148     void dataDetectorsDidChangeUI(WebCore::PageOverlay::PageOverlayID);
1149     void dataDetectorsDidHideUI(WebCore::PageOverlay::PageOverlayID);
1150 #endif
1151
1152     void setShouldDispatchFakeMouseMoveEvents(bool dispatch) { m_shouldDispatchFakeMouseMoveEvents = dispatch; }
1153
1154 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1155     void playbackTargetSelected(uint64_t, const WebCore::MediaPlaybackTargetContext& outputDevice) const;
1156     void playbackTargetAvailabilityDidChange(uint64_t, bool);
1157     void setShouldPlayToPlaybackTarget(uint64_t, bool);
1158 #endif
1159
1160     void clearWheelEventTestTrigger();
1161
1162     void setShouldScaleViewToFitDocument(bool);
1163     void setUserContentExtensionsEnabled(bool);
1164
1165     void pageStoppedScrolling();
1166
1167 #if ENABLE(VIDEO) && USE(GSTREAMER)
1168     void didEndRequestInstallMissingMediaPlugins(uint32_t result);
1169 #endif
1170
1171     uint64_t m_pageID;
1172
1173     std::unique_ptr<WebCore::Page> m_page;
1174     RefPtr<WebFrame> m_mainFrame;
1175     RefPtr<InjectedBundleBackForwardList> m_backForwardList;
1176
1177     RefPtr<WebPageGroupProxy> m_pageGroup;
1178
1179     String m_userAgent;
1180
1181     WebCore::IntSize m_viewSize;
1182     std::unique_ptr<DrawingArea> m_drawingArea;
1183
1184     HashSet<PluginView*> m_pluginViews;
1185     bool m_hasSeenPlugin;
1186
1187     HashMap<uint64_t, RefPtr<WebCore::TextCheckingRequest>> m_pendingTextCheckingRequestMap;
1188
1189     bool m_useFixedLayout;
1190
1191     bool m_drawsBackground;
1192     bool m_drawsTransparentBackground;
1193
1194     WebCore::Color m_underlayColor;
1195
1196     bool m_isInRedo;
1197     bool m_isClosed;
1198
1199     bool m_tabToLinks;
1200
1201     bool m_asynchronousPluginInitializationEnabled;
1202     bool m_asynchronousPluginInitializationEnabledForAllPlugins;
1203     bool m_artificialPluginInitializationDelayEnabled;
1204
1205     bool m_scrollingPerformanceLoggingEnabled;
1206
1207     bool m_mainFrameIsScrollable;
1208
1209 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
1210     bool m_readyToFindPrimarySnapshottedPlugin;
1211     bool m_didFindPrimarySnapshottedPlugin;
1212     unsigned m_numberOfPrimarySnapshotDetectionAttempts;
1213     String m_primaryPlugInPageOrigin;
1214     String m_primaryPlugInOrigin;
1215     String m_primaryPlugInMimeType;
1216     RunLoop::Timer<WebPage> m_determinePrimarySnapshottedPlugInTimer;
1217 #endif
1218
1219     // The layer hosting mode.
1220     LayerHostingMode m_layerHostingMode;
1221
1222 #if PLATFORM(COCOA)
1223     bool m_pdfPluginEnabled;
1224
1225     bool m_hasCachedWindowFrame;
1226
1227     // The frame of the containing window in screen coordinates.
1228     WebCore::FloatRect m_windowFrameInScreenCoordinates;
1229
1230     // The frame of the containing window in unflipped screen coordinates.
1231     WebCore::FloatRect m_windowFrameInUnflippedScreenCoordinates;
1232
1233     // The frame of the view in window coordinates.
1234     WebCore::FloatRect m_viewFrameInWindowCoordinates;
1235
1236     // The accessibility position of the view.
1237     WebCore::FloatPoint m_accessibilityPosition;
1238
1239     RetainPtr<WKAccessibilityWebPageObject> m_mockAccessibilityElement;
1240
1241     ViewGestureGeometryCollector m_viewGestureGeometryCollector;
1242
1243 #elif HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
1244     GRefPtr<WebPageAccessibilityObject> m_accessibilityObject;
1245 #endif
1246
1247 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
1248     // Our view's window in the UI process.
1249     uint64_t m_nativeWindowHandle;
1250 #endif
1251
1252 #if !PLATFORM(IOS)
1253     RefPtr<PageBanner> m_headerBanner;
1254     RefPtr<PageBanner> m_footerBanner;
1255 #endif // !PLATFORM(IOS)
1256
1257     RunLoop::Timer<WebPage> m_setCanStartMediaTimer;
1258     bool m_mayStartMediaWhenInWindow;
1259
1260     HashMap<uint64_t, RefPtr<WebUndoStep>> m_undoStepMap;
1261
1262 #if ENABLE(CONTEXT_MENUS)
1263     std::unique_ptr<API::InjectedBundle::PageContextMenuClient> m_contextMenuClient;
1264 #endif
1265     InjectedBundlePageEditorClient m_editorClient;
1266     std::unique_ptr<API::InjectedBundle::FormClient> m_formClient;
1267     InjectedBundlePageLoaderClient m_loaderClient;
1268     InjectedBundlePagePolicyClient m_policyClient;
1269     InjectedBundlePageResourceLoadClient m_resourceLoadClient;
1270     std::unique_ptr<API::InjectedBundle::PageUIClient> m_uiClient;
1271 #if ENABLE(FULLSCREEN_API)
1272     InjectedBundlePageFullScreenClient m_fullScreenClient;
1273 #endif
1274     InjectedBundlePageDiagnosticLoggingClient m_logDiagnosticMessageClient;
1275
1276     FindController m_findController;
1277
1278     RefPtr<WebInspector> m_inspector;
1279     RefPtr<WebInspectorUI> m_inspectorUI;
1280 #if PLATFORM(IOS)
1281     RefPtr<WebVideoFullscreenManager> m_videoFullscreenManager;
1282     bool m_allowsMediaDocumentInlinePlayback { false };
1283 #endif
1284 #if ENABLE(FULLSCREEN_API)
1285     RefPtr<WebFullScreenManager> m_fullScreenManager;
1286 #endif
1287     RefPtr<WebPopupMenu> m_activePopupMenu;
1288 #if ENABLE(CONTEXT_MENUS)
1289     RefPtr<WebContextMenu> m_contextMenu;
1290 #endif
1291 #if ENABLE(INPUT_TYPE_COLOR)
1292     WebColorChooser* m_activeColorChooser;
1293 #endif
1294     RefPtr<WebOpenPanelResultListener> m_activeOpenPanelResultListener;
1295     RefPtr<NotificationPermissionRequestManager> m_notificationPermissionRequestManager;
1296
1297     RefPtr<WebUserContentController> m_userContentController;
1298
1299 #if ENABLE(GEOLOCATION)
1300     GeolocationPermissionRequestManager m_geolocationPermissionRequestManager;
1301 #endif
1302
1303 #if ENABLE(MEDIA_STREAM)
1304     UserMediaPermissionRequestManager m_userMediaPermissionRequestManager;
1305 #endif
1306
1307     std::unique_ptr<WebCore::PrintContext> m_printContext;
1308 #if PLATFORM(GTK)
1309     RefPtr<WebPrintOperationGtk> m_printOperation;
1310 #endif
1311
1312     SandboxExtensionTracker m_sandboxExtensionTracker;
1313
1314     RefPtr<SandboxExtension> m_pendingDropSandboxExtension;
1315     Vector<RefPtr<SandboxExtension>> m_pendingDropExtensionsForFileUpload;
1316
1317     WebCore::HysteresisActivity m_pageScrolledHysteresis;
1318
1319     bool m_canRunBeforeUnloadConfirmPanel;
1320
1321     bool m_canRunModal;
1322     bool m_isRunningModal;
1323
1324 #if ENABLE(DRAG_SUPPORT)
1325     bool m_isStartingDrag;
1326 #endif
1327
1328     bool m_cachedMainFrameIsPinnedToLeftSide;
1329     bool m_cachedMainFrameIsPinnedToRightSide;
1330     bool m_cachedMainFrameIsPinnedToTopSide;
1331     bool m_cachedMainFrameIsPinnedToBottomSide;
1332     bool m_canShortCircuitHorizontalWheelEvents;
1333     bool m_hasWheelEventHandlers;
1334
1335     unsigned m_cachedPageCount;
1336
1337     HashSet<unsigned long> m_trackedNetworkResourceRequestIdentifiers;
1338
1339     WebCore::IntSize m_minimumLayoutSize;
1340     bool m_autoSizingShouldExpandToViewHeight;
1341
1342 #if ENABLE(CONTEXT_MENUS)
1343     bool m_isShowingContextMenu;
1344 #endif
1345
1346 #if PLATFORM(IOS)
1347     RefPtr<WebCore::Node> m_assistedNode;
1348     RefPtr<WebCore::Range> m_currentWordRange;
1349     RefPtr<WebCore::Node> m_interactionNode;
1350     WebCore::IntPoint m_lastInteractionLocation;
1351
1352     enum SelectionAnchor {
1353         Start,
1354         End
1355     };
1356     SelectionAnchor m_selectionAnchor;
1357
1358     RefPtr<WebCore::Node> m_potentialTapNode;
1359     WebCore::FloatPoint m_potentialTapLocation;
1360
1361     WebCore::ViewportConfiguration m_viewportConfiguration;
1362     bool m_hasReceivedVisibleContentRectsAfterDidCommitLoad;
1363     bool m_scaleWasSetByUIProcess;
1364     bool m_userHasChangedPageScaleFactor;
1365     bool m_hasStablePageScaleFactor;
1366     bool m_userIsInteracting;
1367     bool m_hasFocusedDueToUserInteraction { false };
1368     bool m_hasPendingBlurNotification;
1369     bool m_useTestingViewportConfiguration;
1370     bool m_isInStableState;
1371     std::chrono::milliseconds m_oldestNonStableUpdateVisibleContentRectsTimestamp;
1372     std::chrono::milliseconds m_estimatedLatency;
1373     WebCore::FloatSize m_screenSize;
1374     WebCore::FloatSize m_availableScreenSize;
1375     RefPtr<WebCore::Range> m_currentBlockSelection;
1376     RefPtr<WebCore::Range> m_initialSelection;
1377     WebCore::IntSize m_blockSelectionDesiredSize;
1378     WebCore::FloatSize m_maximumUnobscuredSize;
1379     int32_t m_deviceOrientation;
1380     bool m_inDynamicSizeUpdate;
1381     HashMap<std::pair<WebCore::IntSize, double>, WebCore::IntPoint> m_dynamicSizeUpdateHistory;
1382     RefPtr<WebCore::Node> m_pendingSyntheticClickNode;
1383     WebCore::FloatPoint m_pendingSyntheticClickLocation;
1384     WebCore::FloatRect m_previousExposedContentRect;
1385     WebCore::Timer m_volatilityTimer;
1386 #endif
1387
1388     HashSet<String, CaseFoldingHash> m_mimeTypesWithCustomContentProviders;
1389     WebCore::Color m_backgroundColor;
1390
1391     HashSet<unsigned> m_activeRenderingSuppressionTokens;
1392     unsigned m_maximumRenderingSuppressionToken;
1393
1394     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1395     WTF::Optional<WebCore::ScrollbarOverlayStyle> m_scrollbarOverlayStyle;
1396
1397     bool m_useAsyncScrolling;
1398
1399     WebCore::ViewState::Flags m_viewState;
1400     WebCore::PageActivityState::Flags m_activityState;
1401
1402     bool m_processSuppressionEnabled;
1403     UserActivity m_userActivity;
1404
1405     uint64_t m_pendingNavigationID;
1406
1407 #if ENABLE(WEBGL)
1408     WebCore::WebGLLoadPolicy m_systemWebGLPolicy;
1409 #endif
1410
1411     bool m_mainFrameProgressCompleted;
1412     bool m_shouldDispatchFakeMouseMoveEvents;
1413     bool m_isEditorStateMissingPostLayoutData { false };
1414
1415 #if PLATFORM(GTK)
1416     bool m_inputMethodEnabled { false };
1417 #endif
1418
1419 #if ENABLE(VIDEO) && USE(GSTREAMER)
1420     RefPtr<WebCore::MediaPlayerRequestInstallMissingPluginsCallback> m_installMediaPluginsCallback;
1421 #endif
1422 };
1423
1424 } // namespace WebKit
1425
1426 #endif // WebPage_h