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