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
 530 #if ENABLE(IOS_TOUCH_EVENTS)
 531     void dispatchAsynchronousTouchEvents(const Vector<WebTouchEvent, 1>& queue);
 532 #endif
 533
 534     void contentSizeCategoryDidChange(const String&);
 535     void executeEditCommandWithCallback(const String&, uint64_t callbackID);
 536
 537     std::chrono::milliseconds eventThrottlingDelay() const;
 538
 539     void showInspectorHighlight(const WebCore::Highlight&);
 540     void hideInspectorHighlight();
 541
 542     void showInspectorIndication();
 543     void hideInspectorIndication();
 544
 545     void enableInspectorNodeSearch();
 546     void disableInspectorNodeSearch();
 547 #endif
 548
 549     NotificationPermissionRequestManager* notificationPermissionRequestManager();
 550
 551     void pageDidScroll();
 552 #if USE(TILED_BACKING_STORE)
 553     void pageDidRequestScroll(const WebCore::IntPoint&);
 554     void setFixedVisibleContentRect(const WebCore::IntRect&);
 555     void sendViewportAttributesChanged();
 556 #endif
 557
 558 #if ENABLE(CONTEXT_MENUS)
 559     WebContextMenu* contextMenu();
 560     WebContextMenu* contextMenuAtPointInWindow(const WebCore::IntPoint&);
 561 #endif
 562
 563     bool hasLocalDataForURL(const WebCore::URL&);
 564     String cachedResponseMIMETypeForURL(const WebCore::URL&);
 565     String cachedSuggestedFilenameForURL(const WebCore::URL&);
 566     PassRefPtr<WebCore::SharedBuffer> cachedResponseDataForURL(const WebCore::URL&);
 567
 568     static bool canHandleRequest(const WebCore::ResourceRequest&);
 569
 570     class SandboxExtensionTracker {
 571     public:
 572         ~SandboxExtensionTracker();
 573
 574         void invalidate();
 575
 576         void beginLoad(WebFrame*, const SandboxExtension::Handle& handle);
 577         void willPerformLoadDragDestinationAction(PassRefPtr<SandboxExtension> pendingDropSandboxExtension);
 578         void didStartProvisionalLoad(WebFrame*);
 579         void didCommitProvisionalLoad(WebFrame*);
 580         void didFailProvisionalLoad(WebFrame*);
 581
 582     private:
 583         void setPendingProvisionalSandboxExtension(PassRefPtr<SandboxExtension>);
 584
 585         RefPtr<SandboxExtension> m_pendingProvisionalSandboxExtension;
 586         RefPtr<SandboxExtension> m_provisionalSandboxExtension;
 587         RefPtr<SandboxExtension> m_committedSandboxExtension;
 588     };
 589
 590     SandboxExtensionTracker& sandboxExtensionTracker() { return m_sandboxExtensionTracker; }
 591
 592 #if PLATFORM(EFL)
 593     void setThemePath(const String&);
 594 #endif
 595
 596 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
 597     void commitPageTransitionViewport();
 598 #endif
 599
 600 #if PLATFORM(GTK)
 601     void setComposition(const String& text, const Vector<WebCore::CompositionUnderline>& underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeLength);
 602     void confirmComposition(const String& text, int64_t selectionStart, int64_t selectionLength);
 603     void cancelComposition();
 604 #endif
 605
 606 #if PLATFORM (GTK) && HAVE(GTK_GESTURES)
 607     void getCenterForZoomGesture(const WebCore::IntPoint& centerInViewCoordinates, WebCore::IntPoint& result);
 608 #endif
 609
 610     void didChangeSelection();
 611     void discardedComposition();
 612
 613 #if PLATFORM(COCOA)
 614     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
 615     WKAccessibilityWebPageObject* accessibilityRemoteObject();
 616     NSObject *accessibilityObjectForMainFramePlugin();
 617     const WebCore::FloatPoint& accessibilityPosition() const { return m_accessibilityPosition; }
 618
 619     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
 620
 621     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
 622     void getMarkedRangeAsync(uint64_t callbackID);
 623     void getSelectedRangeAsync(uint64_t callbackID);
 624     void characterIndexForPointAsync(const WebCore::IntPoint&, uint64_t callbackID);
 625     void firstRectForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 626     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 627     void confirmCompositionAsync();
 628
 629 #if PLATFORM(MAC)
 630     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool registerUndoGroup = false);
 631     void attributedSubstringForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 632     void fontAtSelection(uint64_t callbackID);
 633 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
 634     void insertText(const String& text, const EditingRange& replacementRange, bool& handled, EditorState& newState);
 635     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange, EditorState& newState);
 636     void confirmComposition(EditorState& newState);
 637     void insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool& handled, EditorState& newState);
 638     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
 639     void getMarkedRange(EditingRange&);
 640     void getSelectedRange(EditingRange&);
 641     void characterIndexForPoint(const WebCore::IntPoint point, uint64_t& result);
 642     void firstRectForCharacterRange(const EditingRange&, WebCore::IntRect& resultRect);
 643     void executeKeypressCommands(const Vector<WebCore::KeypressCommand>&, bool& handled, EditorState& newState);
 644     void cancelComposition(EditorState& newState);
 645 #endif
 646 #endif
 647
 648     void readSelectionFromPasteboard(const WTF::String& pasteboardName, bool& result);
 649     void getStringSelectionForPasteboard(WTF::String& stringValue);
 650     void getDataSelectionForPasteboard(const WTF::String pasteboardType, SharedMemory::Handle& handle, uint64_t& size);
 651     void shouldDelayWindowOrderingEvent(const WebKit::WebMouseEvent&, bool& result);
 652     void acceptsFirstMouse(int eventNumber, const WebKit::WebMouseEvent&, bool& result);
 653     bool performNonEditingBehaviorForSelector(const String&, WebCore::KeyboardEvent*);
 654
 655 #if ENABLE(SERVICE_CONTROLS)
 656     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
 657 #endif
 658
 659 #elif PLATFORM(EFL)
 660     void confirmComposition(const String& compositionString);
 661     void setComposition(const WTF::String& compositionString, const WTF::Vector<WebCore::CompositionUnderline>& underlines, uint64_t cursorPosition);
 662     void cancelComposition();
 663 #endif
 664
 665 #if HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
 666     void updateAccessibilityTree();
 667 #endif
 668
 669     void setCompositionForTesting(const String& compositionString, uint64_t from, uint64_t length);
 670     bool hasCompositionForTesting();
 671     void confirmCompositionForTesting(const String& compositionString);
 672
 673     // FIXME: This a dummy message, to avoid breaking the build for platforms that don't require
 674     // any synchronous messages, and should be removed when <rdar://problem/8775115> is fixed.
 675     void dummy(bool&);
 676
 677 #if PLATFORM(COCOA)
 678     bool isSpeaking();
 679     void speak(const String&);
 680     void stopSpeaking();
 681
 682     void performDictionaryLookupForSelection(WebCore::Frame*, const WebCore::VisibleSelection&, WebCore::TextIndicatorPresentationTransition);
 683 #endif
 684
 685     bool isSmartInsertDeleteEnabled();
 686     void setSmartInsertDeleteEnabled(bool);
 687
 688     bool isSelectTrailingWhitespaceEnabled();
 689     void setSelectTrailingWhitespaceEnabled(bool);
 690
 691     void replaceSelectionWithText(WebCore::Frame*, const String&);
 692     void clearSelection();
 693     void restoreSelectionInFocusedEditableElement();
 694
 695 #if ENABLE(DRAG_SUPPORT)
 696 #if PLATFORM(GTK)
 697     void performDragControllerAction(uint64_t action, WebCore::DragData);
 698 #else
 699     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&);
 700 #endif
 701     void dragEnded(WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, uint64_t operation);
 702
 703     void willPerformLoadDragDestinationAction();
 704     void mayPerformUploadDragDestinationAction();
 705
 706     void willStartDrag() { ASSERT(!m_isStartingDrag); m_isStartingDrag = true; }
 707     void didStartDrag() { ASSERT(m_isStartingDrag); m_isStartingDrag = false; }
 708 #endif // ENABLE(DRAG_SUPPORT)
 709
 710     void beginPrinting(uint64_t frameID, const PrintInfo&);
 711     void endPrinting();
 712     void computePagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 713     void computePagesForPrintingImpl(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& pageRects, double& totalScaleFactor);
 714 #if PLATFORM(COCOA)
 715     void drawRectToImage(uint64_t frameID, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, uint64_t callbackID);
 716     void drawPagesToPDF(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, uint64_t callbackID);
 717     void drawPagesToPDFImpl(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, RetainPtr<CFMutableDataRef>& pdfPageData);
 718 #if PLATFORM(IOS)
 719     void computePagesForPrintingAndStartDrawingToPDF(uint64_t frameID, const PrintInfo&, uint32_t firstPage, PassRefPtr<Messages::WebPage::ComputePagesForPrintingAndStartDrawingToPDF::DelayedReply>);
 720 #endif
 721 #elif PLATFORM(GTK)
 722     void drawPagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 723     void didFinishPrintOperation(const WebCore::ResourceError&, uint64_t callbackID);
 724 #endif
 725
 726     void addResourceRequest(unsigned long, const WebCore::ResourceRequest&);
 727     void removeResourceRequest(unsigned long);
 728
 729     void setMediaVolume(float);
 730     void setMuted(bool);
 731     void setMayStartMediaWhenInWindow(bool);
 732
 733     void updateMainFrameScrollOffsetPinning();
 734
 735     bool mainFrameHasCustomContentProvider() const;
 736     void addMIMETypeWithCustomContentProvider(const String&);
 737
 738     void mainFrameDidLayout();
 739
 740     bool canRunBeforeUnloadConfirmPanel() const { return m_canRunBeforeUnloadConfirmPanel; }
 741     void setCanRunBeforeUnloadConfirmPanel(bool canRunBeforeUnloadConfirmPanel) { m_canRunBeforeUnloadConfirmPanel = canRunBeforeUnloadConfirmPanel; }
 742
 743     bool canRunModal() const { return m_canRunModal; }
 744     void setCanRunModal(bool canRunModal) { m_canRunModal = canRunModal; }
 745
 746     void runModal();
 747
 748     void setDeviceScaleFactor(float);
 749     float deviceScaleFactor() const;
 750
 751     void forceRepaintWithoutCallback();
 752
 753     void unmarkAllMisspellings();
 754     void unmarkAllBadGrammar();
 755 #if PLATFORM(COCOA)
 756     void handleAlternativeTextUIResult(const String&);
 757 #endif
 758
 759     // For testing purpose.
 760     void simulateMouseDown(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 761     void simulateMouseUp(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 762     void simulateMouseMotion(WebCore::IntPoint, double time);
 763
 764 #if ENABLE(CONTEXT_MENUS)
 765     void contextMenuShowing() { m_isShowingContextMenu = true; }
 766 #endif
 767
 768     void wheelEvent(const WebWheelEvent&);
 769
 770     void wheelEventHandlersChanged(bool);
 771     void recomputeShortCircuitHorizontalWheelEventsState();
 772
 773     void updateVisibilityState(bool isInitialState = false);
 774
 775 #if PLATFORM(IOS)
 776     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
 777     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
 778     void setDeviceOrientation(int32_t);
 779     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);
 780     void synchronizeDynamicViewportUpdate(double& newTargetScale, WebCore::FloatPoint& newScrollPosition, uint64_t& nextValidLayerTreeTransactionID);
 781     void updateVisibleContentRects(const VisibleContentRectUpdateInfo&, double oldestTimestamp);
 782     bool scaleWasSetByUIProcess() const { return m_scaleWasSetByUIProcess; }
 783     void willStartUserTriggeredZooming();
 784     void applicationWillResignActive();
 785     void applicationWillEnterForeground();
 786     void applicationDidBecomeActive();
 787     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
 788     void completePendingSyntheticClickForContentChangeObserver();
 789 #endif
 790
 791 #if ENABLE(IOS_TOUCH_EVENTS)
 792     void dispatchTouchEvent(const WebTouchEvent&, bool& handled);
 793 #endif
 794
 795 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
 796     uint64_t nativeWindowHandle() { return m_nativeWindowHandle; }
 797 #endif
 798
 799     bool shouldUseCustomContentProviderForResponse(const WebCore::ResourceResponse&);
 800     bool canPluginHandleResponse(const WebCore::ResourceResponse& response);
 801
 802     bool asynchronousPluginInitializationEnabled() const { return m_asynchronousPluginInitializationEnabled; }
 803     void setAsynchronousPluginInitializationEnabled(bool enabled) { m_asynchronousPluginInitializationEnabled = enabled; }
 804     bool asynchronousPluginInitializationEnabledForAllPlugins() const { return m_asynchronousPluginInitializationEnabledForAllPlugins; }
 805     void setAsynchronousPluginInitializationEnabledForAllPlugins(bool enabled) { m_asynchronousPluginInitializationEnabledForAllPlugins = enabled; }
 806     bool artificialPluginInitializationDelayEnabled() const { return m_artificialPluginInitializationDelayEnabled; }
 807     void setArtificialPluginInitializationDelayEnabled(bool enabled) { m_artificialPluginInitializationDelayEnabled = enabled; }
 808     void setTabToLinksEnabled(bool enabled) { m_tabToLinks = enabled; }
 809     bool tabToLinksEnabled() const { return m_tabToLinks; }
 810
 811     bool scrollingPerformanceLoggingEnabled() const { return m_scrollingPerformanceLoggingEnabled; }
 812     void setScrollingPerformanceLoggingEnabled(bool);
 813
 814 #if PLATFORM(COCOA)
 815     bool shouldUsePDFPlugin() const;
 816     bool pdfPluginEnabled() const { return m_pdfPluginEnabled; }
 817     void setPDFPluginEnabled(bool enabled) { m_pdfPluginEnabled = enabled; }
 818 #endif
 819
 820     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size);
 821 #if PLATFORM(COCOA)
 822     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
 823 #endif
 824
 825     bool mainFrameIsScrollable() const { return m_mainFrameIsScrollable; }
 826
 827     void setMinimumLayoutSize(const WebCore::IntSize&);
 828     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
 829
 830     void setAutoSizingShouldExpandToViewHeight(bool shouldExpand);
 831     bool autoSizingShouldExpandToViewHeight() { return m_autoSizingShouldExpandToViewHeight; }
 832
 833     bool canShowMIMEType(const String& MIMEType) const;
 834
 835     void addTextCheckingRequest(uint64_t requestID, PassRefPtr<WebCore::TextCheckingRequest>);
 836     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
 837     void didCancelCheckingText(uint64_t requestID);
 838
 839 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
 840     void determinePrimarySnapshottedPlugIn();
 841     void determinePrimarySnapshottedPlugInTimerFired();
 842     void resetPrimarySnapshottedPlugIn();
 843     bool matchesPrimaryPlugIn(const String& pageOrigin, const String& pluginOrigin, const String& mimeType) const;
 844     bool plugInIntersectsSearchRect(WebCore::HTMLPlugInImageElement& pluginImageElement);
 845     bool plugInIsPrimarySize(WebCore::HTMLPlugInImageElement& pluginImageElement, unsigned &pluginArea);
 846 #endif
 847
 848     unsigned extendIncrementalRenderingSuppression();
 849     void stopExtendingIncrementalRenderingSuppression(unsigned token);
 850     bool shouldExtendIncrementalRenderingSuppression() { return !m_activeRenderingSuppressionTokens.isEmpty(); }
 851
 852     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
 853     void setScrollPinningBehavior(uint32_t /* WebCore::ScrollPinningBehavior */ pinning);
 854
 855     PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(WebCore::Frame&, const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
 856
 857     void getBytecodeProfile(uint64_t callbackID);
 858
 859     // Some platforms require accessibility-enabled processes to spin the run loop so that the WebProcess doesn't hang.
 860     // While this is not ideal, it does not have to be applied to every platform at the moment.
 861     static bool synchronousMessagesShouldSpinRunLoop();
 862
 863 #if ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION)
 864     void handleTelephoneNumberClick(const String& number, const WebCore::IntPoint&);
 865     void handleSelectionServiceClick(WebCore::FrameSelection&, const Vector<String>& telephoneNumbers, const WebCore::IntPoint&);
 866 #endif
 867
 868     void didChangeScrollOffsetForFrame(WebCore::Frame*);
 869
 870     void setMainFrameProgressCompleted(bool completed) { m_mainFrameProgressCompleted = completed; }
 871     bool shouldDispatchFakeMouseMoveEvents() const { return m_shouldDispatchFakeMouseMoveEvents; }
 872
 873     void setPageActivityState(WebCore::PageActivityState::Flags);
 874
 875     void postMessage(const String& messageName, API::Object* messageBody);
 876     void postSynchronousMessage(const String& messageName, API::Object* messageBody, RefPtr<API::Object>& returnData);
 877
 878 private:
 879     WebPage(uint64_t pageID, const WebPageCreationParameters&);
 880
 881     // IPC::MessageSender
 882     virtual IPC::Connection* messageSenderConnection() override;
 883     virtual uint64_t messageSenderDestinationID() override;
 884
 885     void platformInitialize();
 886     void platformDetach();
 887     void platformEditorState(WebCore::Frame&, EditorState& result, IncludePostLayoutDataHint) const;
 888
 889     void didReceiveWebPageMessage(IPC::Connection&, IPC::MessageDecoder&);
 890     void didReceiveSyncWebPageMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
 891
 892 #if PLATFORM(IOS)
 893     void resetViewportDefaultConfiguration(WebFrame* mainFrame);
 894     void viewportConfigurationChanged();
 895     void updateViewportSizeForCSSViewportUnits();
 896
 897     static void convertSelectionRectsToRootView(WebCore::FrameView*, Vector<WebCore::SelectionRect>&);
 898     PassRefPtr<WebCore::Range> rangeForWebSelectionAtPosition(const WebCore::IntPoint&, const WebCore::VisiblePosition&, SelectionFlags&);
 899     PassRefPtr<WebCore::Range> rangeForBlockAtPoint(const WebCore::IntPoint&);
 900     void computeExpandAndShrinkThresholdsForHandle(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold);
 901     PassRefPtr<WebCore::Range> changeBlockSelection(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold, SelectionFlags&);
 902     PassRefPtr<WebCore::Range> expandedRangeFromHandle(WebCore::Range*, SelectionHandlePosition);
 903     PassRefPtr<WebCore::Range> contractedRangeFromHandle(WebCore::Range* currentRange, SelectionHandlePosition, SelectionFlags&);
 904     void getAssistedNodeInformation(AssistedNodeInformation&);
 905     void platformInitializeAccessibility();
 906     void handleSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 907     void completeSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 908     void sendTapHighlightForNodeIfNecessary(uint64_t requestID, WebCore::Node*);
 909     void resetTextAutosizingBeforeLayoutIfNeeded(const WebCore::FloatSize& oldSize, const WebCore::FloatSize& newSize);
 910     WebCore::VisiblePosition visiblePositionInFocusedNodeForPoint(WebCore::Frame&, const WebCore::IntPoint&);
 911 #endif
 912 #if !PLATFORM(COCOA)
 913     static const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
 914 #endif
 915     bool performDefaultBehaviorForKeyEvent(const WebKeyboardEvent&);
 916
 917 #if PLATFORM(MAC)
 918     bool executeKeypressCommandsInternal(const Vector<WebCore::KeypressCommand>&, WebCore::KeyboardEvent*);
 919 #endif
 920
 921     String sourceForFrame(WebFrame*);
 922
 923     void loadDataImpl(uint64_t navigationID, PassRefPtr<WebCore::SharedBuffer>, const String& MIMEType, const String& encodingName, const WebCore::URL& baseURL, const WebCore::URL& failingURL, const UserData&);
 924     void loadString(uint64_t navigationID, const String&, const String& MIMEType, const WebCore::URL& baseURL, const WebCore::URL& failingURL, const UserData&);
 925
 926     bool platformHasLocalDataForURL(const WebCore::URL&);
 927
 928     // Actions
 929     void tryClose();
 930     void loadRequest(uint64_t navigationID, const WebCore::ResourceRequest&, const SandboxExtension::Handle&, const UserData&);
 931     void loadData(const IPC::DataReference&, const String& MIMEType, const String& encodingName, const String& baseURL, const UserData&);
 932     void loadHTMLString(uint64_t navigationID, const String& htmlString, const String& baseURL, const UserData&);
 933     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, const UserData&);
 934     void loadPlainTextString(const String&, const UserData&);
 935     void loadWebArchiveData(const IPC::DataReference&, const UserData&);
 936     void navigateToURLWithSimulatedClick(const String& url, WebCore::IntPoint documentPoint, WebCore::IntPoint screenPoint);
 937     void reload(uint64_t navigationID, bool reloadFromOrigin, const SandboxExtension::Handle&);
 938     void goForward(uint64_t navigationID, uint64_t);
 939     void goBack(uint64_t navigationID, uint64_t);
 940     void goToBackForwardItem(uint64_t navigationID, uint64_t);
 941     void tryRestoreScrollPosition();
 942     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&, uint64_t callbackID);
 943     void setWindowResizerSize(const WebCore::IntSize&);
 944     void updateIsInWindow(bool isInitialState = false);
 945     void setViewState(WebCore::ViewState::Flags, bool wantsDidUpdateViewState, const Vector<uint64_t>& callbackIDs);
 946     void validateCommand(const String&, uint64_t);
 947     void executeEditCommand(const String&);
 948     void setEditable(bool);
 949
 950     void updateUserActivity();
 951
 952     void mouseEvent(const WebMouseEvent&);
 953     void mouseEventSyncForTesting(const WebMouseEvent&, bool&);
 954     void wheelEventSyncForTesting(const WebWheelEvent&, bool&);
 955     void keyEvent(const WebKeyboardEvent&);
 956     void keyEventSyncForTesting(const WebKeyboardEvent&, bool&);
 957 #if ENABLE(IOS_TOUCH_EVENTS)
 958     void touchEventSync(const WebTouchEvent&, bool& handled);
 959 #elif ENABLE(TOUCH_EVENTS)
 960     void touchEvent(const WebTouchEvent&);
 961     void touchEventSyncForTesting(const WebTouchEvent&, bool& handled);
 962 #endif
 963 #if ENABLE(CONTEXT_MENUS)
 964     void contextMenuHidden() { m_isShowingContextMenu = false; }
 965 #endif
 966
 967     static bool scroll(WebCore::Page*, WebCore::ScrollDirection, WebCore::ScrollGranularity);
 968     static bool logicalScroll(WebCore::Page*, WebCore::ScrollLogicalDirection, WebCore::ScrollGranularity);
 969
 970     void loadURLInFrame(const String&, uint64_t frameID);
 971
 972     void restoreSession(const Vector<BackForwardListItemState>&);
 973     void didRemoveBackForwardItem(uint64_t);
 974
 975 #if ENABLE(REMOTE_INSPECTOR)
 976     void setAllowsRemoteInspection(bool);
 977 #endif
 978
 979     void setDrawsBackground(bool);
 980     void setDrawsTransparentBackground(bool);
 981
 982     void setTopContentInset(float);
 983
 984     void viewWillStartLiveResize();
 985     void viewWillEndLiveResize();
 986
 987     void getContentsAsString(uint64_t callbackID);
 988 #if ENABLE(MHTML)
 989     void getContentsAsMHTMLData(uint64_t callbackID, bool useBinaryEncoding);
 990 #endif
 991     void getMainResourceDataOfFrame(uint64_t frameID, uint64_t callbackID);
 992     void getResourceDataFromFrame(uint64_t frameID, const String& resourceURL, uint64_t callbackID);
 993     void getRenderTreeExternalRepresentation(uint64_t callbackID);
 994     void getSelectionOrContentsAsString(uint64_t callbackID);
 995     void getSelectionAsWebArchiveData(uint64_t callbackID);
 996     void getSourceForFrame(uint64_t frameID, uint64_t callbackID);
 997     void getWebArchiveOfFrame(uint64_t frameID, uint64_t callbackID);
 998     void runJavaScriptInMainFrame(const String&, uint64_t callbackID);
 999     void forceRepaint(uint64_t callbackID);
1000     void takeSnapshot(WebCore::IntRect snapshotRect, WebCore::IntSize bitmapSize, uint32_t options, uint64_t callbackID);
1001
1002     void preferencesDidChange(const WebPreferencesStore&);
1003     void platformPreferencesDidChange(const WebPreferencesStore&);
1004     void updatePreferences(const WebPreferencesStore&);
1005
1006     void didReceivePolicyDecision(uint64_t frameID, uint64_t listenerID, uint32_t policyAction, uint64_t navigationID, uint64_t downloadID);
1007     void setUserAgent(const String&);
1008     void setCustomTextEncodingName(const String&);
1009     void suspendActiveDOMObjectsAndAnimations();
1010     void resumeActiveDOMObjectsAndAnimations();
1011
1012 #if PLATFORM(COCOA)
1013     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
1014     void performDictionaryLookupOfCurrentSelection();
1015     void performDictionaryLookupForRange(WebCore::Frame*, WebCore::Range&, NSDictionary *options, WebCore::TextIndicatorPresentationTransition);
1016     DictionaryPopupInfo dictionaryPopupInfoForRange(WebCore::Frame* frame, WebCore::Range& range, NSDictionary **options, WebCore::TextIndicatorPresentationTransition presentationTransition);
1017 #if ENABLE(PDFKIT_PLUGIN)
1018     DictionaryPopupInfo dictionaryPopupInfoForSelectionInPDFPlugin(PDFSelection *, PDFPlugin&, NSDictionary **options, WebCore::TextIndicatorPresentationTransition);
1019 #endif
1020
1021     void windowAndViewFramesChanged(const WebCore::FloatRect& windowFrameInScreenCoordinates, const WebCore::FloatRect& windowFrameInUnflippedScreenCoordinates, const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
1022
1023     RetainPtr<PDFDocument> pdfDocumentForPrintingFrame(WebCore::Frame*);
1024     void computePagesForPrintingPDFDocument(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& resultPageRects);
1025     void drawPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, const WebCore::IntRect&);
1026     void drawPagesToPDFFromPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, uint32_t first, uint32_t count);
1027 #endif
1028
1029     void setMainFrameIsScrollable(bool);
1030
1031     void unapplyEditCommand(uint64_t commandID);
1032     void reapplyEditCommand(uint64_t commandID);
1033     void didRemoveEditCommand(uint64_t commandID);
1034
1035     void findString(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1036     void findStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1037     void getImageForFindMatch(uint32_t matchIndex);
1038     void selectFindMatch(uint32_t matchIndex);
1039     void hideFindUI();
1040     void countStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1041
1042 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
1043     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize& area);
1044 #endif
1045
1046     void didChangeSelectedIndexForActivePopupMenu(int32_t newIndex);
1047     void setTextForActivePopupMenu(int32_t index);
1048
1049 #if PLATFORM(GTK)
1050     void failedToShowPopupMenu();
1051 #endif
1052
1053 #if PLATFORM(IOS)
1054     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const IPC::DataReference& iconData);
1055 #endif
1056     void didChooseFilesForOpenPanel(const Vector<String>&);
1057     void didCancelForOpenPanel();
1058 #if ENABLE(SANDBOX_EXTENSIONS)
1059     void extendSandboxForFileFromOpenPanel(const SandboxExtension::Handle&);
1060 #endif
1061
1062     void didReceiveGeolocationPermissionDecision(uint64_t geolocationID, bool allowed);
1063
1064     void didReceiveNotificationPermissionDecision(uint64_t notificationID, bool allowed);
1065
1066 #if ENABLE(MEDIA_STREAM)
1067     void didReceiveUserMediaPermissionDecision(uint64_t userMediaID, bool allowed);
1068 #endif
1069
1070     void advanceToNextMisspelling(bool startBeforeSelection);
1071     void changeSpellingToWord(const String& word);
1072 #if USE(APPKIT)
1073     void uppercaseWord();
1074     void lowercaseWord();
1075     void capitalizeWord();
1076 #endif
1077
1078 #if ENABLE(CONTEXT_MENUS)
1079     void didSelectItemFromActiveContextMenu(const WebContextMenuItemData&);
1080 #endif
1081
1082     void changeSelectedIndex(int32_t index);
1083     void setCanStartMediaTimerFired();
1084
1085     bool canHandleUserEvents() const;
1086
1087     static bool platformCanHandleRequest(const WebCore::ResourceRequest&);
1088
1089     static PluginView* focusedPluginViewForFrame(WebCore::Frame&);
1090     static PluginView* pluginViewForFrame(WebCore::Frame*);
1091
1092     static PassRefPtr<WebCore::Range> rangeFromEditingRange(WebCore::Frame&, const EditingRange&);
1093
1094     void reportUsedFeatures();
1095
1096 #if PLATFORM(MAC)
1097     void performActionMenuHitTestAtLocation(WebCore::FloatPoint, bool forImmediateAction);
1098     PassRefPtr<WebCore::Range> lookupTextAtLocation(WebCore::FloatPoint, NSDictionary **options);
1099     void selectLastActionMenuRange();
1100     void focusAndSelectLastActionMenuHitTestResult();
1101     void immediateActionDidUpdate();
1102     void immediateActionDidCancel();
1103     void immediateActionDidComplete();
1104     void setFont(const String& fontFamily, double fontSize, uint64_t fontTraits);
1105
1106     void dataDetectorsDidPresentUI(WebCore::PageOverlay::PageOverlayID);
1107     void dataDetectorsDidChangeUI(WebCore::PageOverlay::PageOverlayID);
1108     void dataDetectorsDidHideUI(WebCore::PageOverlay::PageOverlayID);
1109 #endif
1110
1111     void setShouldDispatchFakeMouseMoveEvents(bool dispatch) { m_shouldDispatchFakeMouseMoveEvents = dispatch; }
1112
1113 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1114     void playbackTargetSelected(uint64_t, const WebCore::MediaPlaybackTargetContext& outputDevice) const;
1115     void playbackTargetAvailabilityDidChange(uint64_t, bool);
1116     void setShouldPlayToPlaybackTarget(uint64_t, bool);
1117 #endif
1118
1119     uint64_t m_pageID;
1120
1121     std::unique_ptr<WebCore::Page> m_page;
1122     RefPtr<WebFrame> m_mainFrame;
1123     RefPtr<InjectedBundleBackForwardList> m_backForwardList;
1124
1125     RefPtr<WebPageGroupProxy> m_pageGroup;
1126
1127     String m_userAgent;
1128
1129     WebCore::IntSize m_viewSize;
1130     std::unique_ptr<DrawingArea> m_drawingArea;
1131
1132     HashSet<PluginView*> m_pluginViews;
1133     bool m_hasSeenPlugin;
1134
1135     HashMap<uint64_t, RefPtr<WebCore::TextCheckingRequest>> m_pendingTextCheckingRequestMap;
1136
1137     bool m_useFixedLayout;
1138
1139     bool m_drawsBackground;
1140     bool m_drawsTransparentBackground;
1141
1142     WebCore::Color m_underlayColor;
1143
1144     bool m_isInRedo;
1145     bool m_isClosed;
1146
1147     bool m_tabToLinks;
1148
1149     bool m_asynchronousPluginInitializationEnabled;
1150     bool m_asynchronousPluginInitializationEnabledForAllPlugins;
1151     bool m_artificialPluginInitializationDelayEnabled;
1152
1153     bool m_scrollingPerformanceLoggingEnabled;
1154
1155     bool m_mainFrameIsScrollable;
1156
1157 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
1158     bool m_readyToFindPrimarySnapshottedPlugin;
1159     bool m_didFindPrimarySnapshottedPlugin;
1160     unsigned m_numberOfPrimarySnapshotDetectionAttempts;
1161     String m_primaryPlugInPageOrigin;
1162     String m_primaryPlugInOrigin;
1163     String m_primaryPlugInMimeType;
1164     RunLoop::Timer<WebPage> m_determinePrimarySnapshottedPlugInTimer;
1165 #endif
1166
1167     // The layer hosting mode.
1168     LayerHostingMode m_layerHostingMode;
1169
1170 #if PLATFORM(COCOA)
1171     bool m_pdfPluginEnabled;
1172
1173     bool m_hasCachedWindowFrame;
1174
1175     // The frame of the containing window in screen coordinates.
1176     WebCore::FloatRect m_windowFrameInScreenCoordinates;
1177
1178     // The frame of the containing window in unflipped screen coordinates.
1179     WebCore::FloatRect m_windowFrameInUnflippedScreenCoordinates;
1180
1181     // The frame of the view in window coordinates.
1182     WebCore::FloatRect m_viewFrameInWindowCoordinates;
1183
1184     // The accessibility position of the view.
1185     WebCore::FloatPoint m_accessibilityPosition;
1186
1187     RetainPtr<WKAccessibilityWebPageObject> m_mockAccessibilityElement;
1188
1189     ViewGestureGeometryCollector m_viewGestureGeometryCollector;
1190
1191 #elif HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
1192     GRefPtr<WebPageAccessibilityObject> m_accessibilityObject;
1193 #endif
1194
1195 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
1196     // Our view's window in the UI process.
1197     uint64_t m_nativeWindowHandle;
1198 #endif
1199
1200 #if !PLATFORM(IOS)
1201     RefPtr<PageBanner> m_headerBanner;
1202     RefPtr<PageBanner> m_footerBanner;
1203 #endif // !PLATFORM(IOS)
1204
1205     RunLoop::Timer<WebPage> m_setCanStartMediaTimer;
1206     bool m_mayStartMediaWhenInWindow;
1207
1208     HashMap<uint64_t, RefPtr<WebUndoStep>> m_undoStepMap;
1209
1210     WebCore::IntSize m_windowResizerSize;
1211
1212 #if ENABLE(CONTEXT_MENUS)
1213     std::unique_ptr<API::InjectedBundle::PageContextMenuClient> m_contextMenuClient;
1214 #endif
1215     InjectedBundlePageEditorClient m_editorClient;
1216     std::unique_ptr<API::InjectedBundle::FormClient> m_formClient;
1217     InjectedBundlePageLoaderClient m_loaderClient;
1218     InjectedBundlePagePolicyClient m_policyClient;
1219     InjectedBundlePageResourceLoadClient m_resourceLoadClient;
1220     std::unique_ptr<API::InjectedBundle::PageUIClient> m_uiClient;
1221 #if ENABLE(FULLSCREEN_API)
1222     InjectedBundlePageFullScreenClient m_fullScreenClient;
1223 #endif
1224     InjectedBundlePageDiagnosticLoggingClient m_logDiagnosticMessageClient;
1225
1226     FindController m_findController;
1227
1228     RefPtr<WebInspector> m_inspector;
1229     RefPtr<WebInspectorUI> m_inspectorUI;
1230 #if PLATFORM(IOS)
1231     RefPtr<WebVideoFullscreenManager> m_videoFullscreenManager;
1232 #endif
1233 #if ENABLE(FULLSCREEN_API)
1234     RefPtr<WebFullScreenManager> m_fullScreenManager;
1235 #endif
1236     RefPtr<WebPopupMenu> m_activePopupMenu;
1237 #if ENABLE(CONTEXT_MENUS)
1238     RefPtr<WebContextMenu> m_contextMenu;
1239 #endif
1240 #if ENABLE(INPUT_TYPE_COLOR)
1241     WebColorChooser* m_activeColorChooser;
1242 #endif
1243     RefPtr<WebOpenPanelResultListener> m_activeOpenPanelResultListener;
1244     RefPtr<NotificationPermissionRequestManager> m_notificationPermissionRequestManager;
1245
1246     RefPtr<WebUserContentController> m_userContentController;
1247
1248 #if ENABLE(GEOLOCATION)
1249     GeolocationPermissionRequestManager m_geolocationPermissionRequestManager;
1250 #endif
1251
1252 #if ENABLE(MEDIA_STREAM)
1253     UserMediaPermissionRequestManager m_userMediaPermissionRequestManager;
1254 #endif
1255
1256     std::unique_ptr<WebCore::PrintContext> m_printContext;
1257 #if PLATFORM(GTK)
1258     RefPtr<WebPrintOperationGtk> m_printOperation;
1259 #endif
1260
1261     SandboxExtensionTracker m_sandboxExtensionTracker;
1262
1263     RefPtr<SandboxExtension> m_pendingDropSandboxExtension;
1264     Vector<RefPtr<SandboxExtension>> m_pendingDropExtensionsForFileUpload;
1265
1266     bool m_canRunBeforeUnloadConfirmPanel;
1267
1268     bool m_canRunModal;
1269     bool m_isRunningModal;
1270
1271 #if ENABLE(DRAG_SUPPORT)
1272     bool m_isStartingDrag;
1273 #endif
1274
1275     bool m_cachedMainFrameIsPinnedToLeftSide;
1276     bool m_cachedMainFrameIsPinnedToRightSide;
1277     bool m_cachedMainFrameIsPinnedToTopSide;
1278     bool m_cachedMainFrameIsPinnedToBottomSide;
1279     bool m_canShortCircuitHorizontalWheelEvents;
1280     bool m_hasWheelEventHandlers;
1281
1282     unsigned m_cachedPageCount;
1283
1284     HashSet<unsigned long> m_trackedNetworkResourceRequestIdentifiers;
1285
1286     WebCore::IntSize m_minimumLayoutSize;
1287     bool m_autoSizingShouldExpandToViewHeight;
1288
1289 #if ENABLE(CONTEXT_MENUS)
1290     bool m_isShowingContextMenu;
1291 #endif
1292
1293 #if PLATFORM(IOS)
1294     RefPtr<WebCore::Node> m_assistedNode;
1295     RefPtr<WebCore::Range> m_currentWordRange;
1296     RefPtr<WebCore::Node> m_interactionNode;
1297     WebCore::IntPoint m_lastInteractionLocation;
1298
1299     enum SelectionAnchor {
1300         Start,
1301         End
1302     };
1303     SelectionAnchor m_selectionAnchor;
1304
1305     RefPtr<WebCore::Node> m_potentialTapNode;
1306     WebCore::FloatPoint m_potentialTapLocation;
1307
1308     WebCore::ViewportConfiguration m_viewportConfiguration;
1309     uint64_t m_firstLayerTreeTransactionIDAfterDidCommitLoad;
1310     bool m_hasReceivedVisibleContentRectsAfterDidCommitLoad;
1311     bool m_scaleWasSetByUIProcess;
1312     bool m_userHasChangedPageScaleFactor;
1313     bool m_hasStablePageScaleFactor;
1314     bool m_userIsInteracting;
1315     bool m_hasPendingBlurNotification;
1316     bool m_useTestingViewportConfiguration;
1317     bool m_isInStableState;
1318     std::chrono::milliseconds m_oldestNonStableUpdateVisibleContentRectsTimestamp;
1319     std::chrono::milliseconds m_estimatedLatency;
1320     WebCore::FloatSize m_screenSize;
1321     WebCore::FloatSize m_availableScreenSize;
1322     RefPtr<WebCore::Range> m_currentBlockSelection;
1323     WebCore::IntSize m_blockSelectionDesiredSize;
1324     WebCore::FloatSize m_maximumUnobscuredSize;
1325     int32_t m_deviceOrientation;
1326     bool m_inDynamicSizeUpdate;
1327     HashMap<std::pair<WebCore::IntSize, double>, WebCore::IntPoint> m_dynamicSizeUpdateHistory;
1328     RefPtr<WebCore::Node> m_pendingSyntheticClickNode;
1329     WebCore::FloatPoint m_pendingSyntheticClickLocation;
1330 #endif
1331
1332     WebInspectorClient* m_inspectorClient;
1333
1334     HashSet<String, CaseFoldingHash> m_mimeTypesWithCustomContentProviders;
1335     WebCore::Color m_backgroundColor;
1336
1337     HashSet<unsigned> m_activeRenderingSuppressionTokens;
1338     unsigned m_maximumRenderingSuppressionToken;
1339
1340     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1341
1342     bool m_useAsyncScrolling;
1343
1344     WebCore::ViewState::Flags m_viewState;
1345     WebCore::PageActivityState::Flags m_activityState;
1346
1347     bool m_processSuppressionEnabled;
1348     UserActivity m_userActivity;
1349
1350     uint64_t m_pendingNavigationID;
1351
1352     double m_viewScaleFactor { 1 };
1353
1354 #if ENABLE(WEBGL)
1355     WebCore::WebGLLoadPolicy m_systemWebGLPolicy;
1356 #endif
1357
1358 #if PLATFORM(MAC)
1359     RefPtr<WebCore::Range> m_lastActionMenuRangeForSelection;
1360     WebCore::HitTestResult m_lastActionMenuHitTestResult;
1361     RefPtr<WebPageOverlay> m_lastActionMenuHitPageOverlay;
1362 #endif
1363
1364     bool m_mainFrameProgressCompleted;
1365     bool m_shouldDispatchFakeMouseMoveEvents;
1366     bool m_isEditorStateMissingPostLayoutData { false };
1367 };
1368
1369 } // namespace WebKit
1370
1371 #endif // WebPage_h