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