Source/WebKit2/UIProcess/WebPageProxy.h

   1 /*
   2  * Copyright (C) 2010, 2011, 2014 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 WebPageProxy_h
  27 #define WebPageProxy_h
  28
  29 #include "APIObject.h"
  30 #include "APISession.h"
  31 #include "AssistedNodeInformation.h"
  32 #include "AutoCorrectionCallback.h"
  33 #include "Connection.h"
  34 #include "ContextMenuContextData.h"
  35 #include "DragControllerAction.h"
  36 #include "DrawingAreaProxy.h"
  37 #include "EditingRange.h"
  38 #include "EditorState.h"
  39 #include "GeolocationPermissionRequestManagerProxy.h"
  40 #include "InteractionInformationAtPosition.h"
  41 #include "LayerTreeContext.h"
  42 #include "MessageSender.h"
  43 #include "NotificationPermissionRequestManagerProxy.h"
  44 #include "PageLoadState.h"
  45 #include "PlatformProcessIdentifier.h"
  46 #include "SandboxExtension.h"
  47 #include "ShareableBitmap.h"
  48 #include "VisibleContentRectUpdateInfo.h"
  49 #include "WKBase.h"
  50 #include "WKPagePrivate.h"
  51 #include "WebColorPicker.h"
  52 #include "WebContextMenuItemData.h"
  53 #include "WebCoreArgumentCoders.h"
  54 #include "WebFindClient.h"
  55 #include "WebFrameProxy.h"
  56 #include "WebPageContextMenuClient.h"
  57 #include "WebPageCreationParameters.h"
  58 #include "WebPreferences.h"
  59 #include <WebCore/AlternativeTextClient.h> // FIXME: Needed by WebPageProxyMessages.h for DICTATION_ALTERNATIVES.
  60 #include "WebPageProxyMessages.h"
  61 #include "WebPopupMenuProxy.h"
  62 #include <WebCore/Color.h>
  63 #include <WebCore/DragActions.h>
  64 #include <WebCore/HitTestResult.h>
  65 #include <WebCore/Page.h>
  66 #include <WebCore/PlatformScreen.h>
  67 #include <WebCore/ScrollTypes.h>
  68 #include <WebCore/TextChecking.h>
  69 #include <WebCore/TextGranularity.h>
  70 #include <WebCore/ViewState.h>
  71 #include <memory>
  72 #include <wtf/HashMap.h>
  73 #include <wtf/HashSet.h>
  74 #include <wtf/PassRefPtr.h>
  75 #include <wtf/Ref.h>
  76 #include <wtf/RefPtr.h>
  77 #include <wtf/Vector.h>
  78 #include <wtf/text/WTFString.h>
  79
  80 #if ENABLE(DRAG_SUPPORT)
  81 #include <WebCore/DragActions.h>
  82 #endif
  83
  84 #if ENABLE(TOUCH_EVENTS)
  85 #include "NativeWebTouchEvent.h"
  86 #endif
  87
  88 #if PLATFORM(EFL)
  89 #include "WKPageEfl.h"
  90 #include "WebUIPopupMenuClient.h"
  91 #include <Evas.h>
  92 #endif
  93
  94 #if PLATFORM(COCOA)
  95 #include "LayerRepresentation.h"
  96 #endif
  97
  98 #if PLATFORM(MAC)
  99 #include "AttributedString.h"
 100 #endif
 101
 102 #if PLATFORM(IOS)
 103 #include "ProcessThrottler.h"
 104 #endif
 105
 106 namespace API {
 107 class FindClient;
 108 class FormClient;
 109 class LoaderClient;
 110 class PolicyClient;
 111 class UIClient;
 112 class URLRequest;
 113 }
 114
 115 namespace IPC {
 116 class ArgumentDecoder;
 117 class Connection;
 118 }
 119
 120 namespace WebCore {
 121 class AuthenticationChallenge;
 122 class Cursor;
 123 class DragData;
 124 class FloatRect;
 125 class GraphicsLayer;
 126 class IntSize;
 127 class ProtectionSpace;
 128 class RunLoopObserver;
 129 class SharedBuffer;
 130 struct FileChooserSettings;
 131 struct TextAlternativeWithRange;
 132 struct TextCheckingResult;
 133 struct ViewportAttributes;
 134 struct WindowFeatures;
 135 }
 136
 137 #if USE(APPKIT)
 138 OBJC_CLASS WKView;
 139 #endif
 140
 141 #if PLATFORM(GTK)
 142 typedef GtkWidget* PlatformWidget;
 143 #endif
 144
 145 namespace WebKit {
 146
 147 class CertificateInfo;
 148 class NativeWebKeyboardEvent;
 149 class NativeWebMouseEvent;
 150 class NativeWebWheelEvent;
 151 class PageClient;
 152 class RemoteLayerTreeTransaction;
 153 class RemoteScrollingCoordinatorProxy;
 154 class StringPairVector;
 155 class ViewSnapshot;
 156 class VisitedLinkProvider;
 157 class WebBackForwardList;
 158 class WebBackForwardListItem;
 159 class WebContextMenuProxy;
 160 class WebEditCommandProxy;
 161 class WebFullScreenManagerProxy;
 162 class WebVideoFullscreenManagerProxy;
 163 class WebKeyboardEvent;
 164 class WebMouseEvent;
 165 class WebOpenPanelResultListenerProxy;
 166 class WebPageGroup;
 167 class WebProcessProxy;
 168 class WebUserContentControllerProxy;
 169 class WebWheelEvent;
 170 struct AttributedString;
 171 struct ColorSpaceData;
 172 struct DictionaryPopupInfo;
 173 struct EditingRange;
 174 struct EditorState;
 175 struct PlatformPopupMenuData;
 176 struct PrintInfo;
 177 struct WebPopupItem;
 178
 179 #if ENABLE(VIBRATION)
 180 class WebVibrationProxy;
 181 #endif
 182
 183 #if USE(QUICK_LOOK)
 184 class QuickLookDocumentData;
 185 #endif
 186
 187 typedef GenericCallback<uint64_t> UnsignedCallback;
 188 typedef GenericCallback<EditingRange> EditingRangeCallback;
 189 typedef GenericCallback<const String&> StringCallback;
 190 typedef GenericCallback<WebSerializedScriptValue*> ScriptValueCallback;
 191
 192 #if PLATFORM(GTK)
 193 typedef GenericCallback<API::Error*> PrintFinishedCallback;
 194 #endif
 195
 196 #if ENABLE(TOUCH_EVENTS)
 197 struct QueuedTouchEvents {
 198     QueuedTouchEvents(const NativeWebTouchEvent& event)
 199         : forwardedEvent(event)
 200     {
 201     }
 202     NativeWebTouchEvent forwardedEvent;
 203     Vector<NativeWebTouchEvent> deferredTouchEvents;
 204 };
 205 #endif
 206
 207 typedef GenericCallback<const String&, bool, int32_t> ValidateCommandCallback;
 208 typedef GenericCallback<const WebCore::IntRect&, const EditingRange&> RectForCharacterRangeCallback;
 209
 210 #if PLATFORM(MAC)
 211 typedef GenericCallback<const AttributedString&, const EditingRange&> AttributedStringForCharacterRangeCallback;
 212 #endif
 213
 214 #if PLATFORM(IOS)
 215 typedef GenericCallback<const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t> GestureCallback;
 216 typedef GenericCallback<const WebCore::IntPoint&, uint32_t> TouchesCallback;
 217 #endif
 218
 219 struct WebPageConfiguration {
 220     WebPageGroup* pageGroup = nullptr;
 221     WebPreferences* preferences = nullptr;
 222     WebUserContentControllerProxy* userContentController = nullptr;
 223     VisitedLinkProvider* visitedLinkProvider = nullptr;
 224
 225     API::Session* session = nullptr;
 226     WebPageProxy* relatedPage = nullptr;
 227
 228     WebPreferencesStore::ValueMap preferenceValues;
 229 };
 230
 231 class WebPageProxy : public API::ObjectImpl<API::Object::Type::Page>
 232 #if ENABLE(INPUT_TYPE_COLOR)
 233     , public WebColorPicker::Client
 234 #endif
 235     , public WebPopupMenuProxy::Client
 236     , public IPC::MessageReceiver
 237     , public IPC::MessageSender {
 238 public:
 239     static PassRefPtr<WebPageProxy> create(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
 240     virtual ~WebPageProxy();
 241
 242     void setSession(API::Session&);
 243
 244     uint64_t pageID() const { return m_pageID; }
 245     WebCore::SessionID sessionID() const { return m_session->getID(); }
 246
 247     WebFrameProxy* mainFrame() const { return m_mainFrame.get(); }
 248     WebFrameProxy* focusedFrame() const { return m_focusedFrame.get(); }
 249     WebFrameProxy* frameSetLargestFrame() const { return m_frameSetLargestFrame.get(); }
 250
 251     DrawingAreaProxy* drawingArea() const { return m_drawingArea.get(); }
 252
 253 #if ENABLE(ASYNC_SCROLLING)
 254     RemoteScrollingCoordinatorProxy* scrollingCoordinatorProxy() const { return m_scrollingCoordinatorProxy.get(); }
 255 #endif
 256
 257     WebBackForwardList& backForwardList() { return m_backForwardList.get(); }
 258
 259     bool addsVisitedLinks() const { return m_addsVisitedLinks; }
 260     void setAddsVisitedLinks(bool addsVisitedLinks) { m_addsVisitedLinks = addsVisitedLinks; }
 261
 262 #if ENABLE(INSPECTOR)
 263     WebInspectorProxy* inspector();
 264 #endif
 265
 266 #if ENABLE(REMOTE_INSPECTOR)
 267     bool allowsRemoteInspection() const { return m_allowsRemoteInspection; }
 268     void setAllowsRemoteInspection(bool);
 269 #endif
 270
 271 #if ENABLE(VIBRATION)
 272     WebVibrationProxy* vibration() { return m_vibration.get(); }
 273 #endif
 274
 275 #if ENABLE(FULLSCREEN_API)
 276     WebFullScreenManagerProxy* fullScreenManager();
 277 #endif
 278 #if PLATFORM(IOS)
 279     RefPtr<WebVideoFullscreenManagerProxy> videoFullscreenManager();
 280 #endif
 281
 282 #if ENABLE(CONTEXT_MENUS)
 283     void initializeContextMenuClient(const WKPageContextMenuClientBase*);
 284 #endif
 285     API::FindClient& findClient() { return *m_findClient; }
 286     void setFindClient(std::unique_ptr<API::FindClient>);
 287     void initializeFindMatchesClient(const WKPageFindMatchesClientBase*);
 288     void setFormClient(std::unique_ptr<API::FormClient>);
 289     void setLoaderClient(std::unique_ptr<API::LoaderClient>);
 290     void setPolicyClient(std::unique_ptr<API::PolicyClient>);
 291
 292     API::UIClient& uiClient() { return *m_uiClient; }
 293     void setUIClient(std::unique_ptr<API::UIClient>);
 294 #if PLATFORM(EFL)
 295     void initializeUIPopupMenuClient(const WKPageUIPopupMenuClientBase*);
 296 #endif
 297
 298     void initializeWebPage();
 299
 300     void close();
 301     bool tryClose();
 302     bool isClosed() const { return m_isClosed; }
 303
 304     uint64_t loadRequest(const WebCore::ResourceRequest&, API::Object* userData = nullptr);
 305     void loadFile(const String& fileURL, const String& resourceDirectoryURL, API::Object* userData = nullptr);
 306     void loadData(API::Data*, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData = nullptr);
 307     uint64_t loadHTMLString(const String& htmlString, const String& baseURL, API::Object* userData = nullptr);
 308     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, API::Object* userData = nullptr);
 309     void loadPlainTextString(const String&, API::Object* userData = nullptr);
 310     void loadWebArchiveData(API::Data*, API::Object* userData = nullptr);
 311
 312     void stopLoading();
 313     uint64_t reload(bool reloadFromOrigin);
 314
 315     uint64_t goForward();
 316     uint64_t goBack();
 317
 318     uint64_t goToBackForwardItem(WebBackForwardListItem*);
 319     void tryRestoreScrollPosition();
 320     void didChangeBackForwardList(WebBackForwardListItem* addedItem, Vector<RefPtr<WebBackForwardListItem>> removed);
 321     void willGoToBackForwardListItem(uint64_t itemID, IPC::MessageDecoder&);
 322
 323     bool shouldKeepCurrentBackForwardListItemInList(WebBackForwardListItem*);
 324
 325     bool willHandleHorizontalScrollEvents() const;
 326
 327     bool canShowMIMEType(const String& mimeType);
 328
 329     bool drawsBackground() const { return m_drawsBackground; }
 330     void setDrawsBackground(bool);
 331
 332     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
 333     void setDrawsTransparentBackground(bool);
 334
 335     float topContentInset() const { return m_topContentInset; }
 336     void setTopContentInset(float);
 337
 338     WebCore::Color underlayColor() const { return m_underlayColor; }
 339     void setUnderlayColor(const WebCore::Color&);
 340
 341     // At this time, m_pageExtendedBackgroundColor can be set via pageExtendedBackgroundColorDidChange() which is a message
 342     // from the UIProcess, or by didCommitLayerTree(). When PLATFORM(MAC) adopts UI side compositing, we should get rid of
 343     // the message entirely.
 344     WebCore::Color pageExtendedBackgroundColor() const { return m_pageExtendedBackgroundColor; }
 345
 346     void viewWillStartLiveResize();
 347     void viewWillEndLiveResize();
 348
 349     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&);
 350     void setWindowResizerSize(const WebCore::IntSize&);
 351
 352     void clearSelection();
 353
 354     void setViewNeedsDisplay(const WebCore::IntRect&);
 355     void displayView();
 356     bool canScrollView();
 357     void scrollView(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset); // FIXME: CoordinatedGraphics should use requestScroll().
 358     void requestScroll(const WebCore::FloatPoint& scrollPosition, bool isProgrammaticScroll);
 359
 360     void setDelegatesScrolling(bool delegatesScrolling) { m_delegatesScrolling = delegatesScrolling; }
 361     bool delegatesScrolling() const { return m_delegatesScrolling; }
 362
 363     enum class ViewStateChangeDispatchMode { Deferrable, Immediate };
 364     void viewStateDidChange(WebCore::ViewState::Flags mayHaveChanged, bool wantsReply = false, ViewStateChangeDispatchMode = ViewStateChangeDispatchMode::Deferrable);
 365     bool isInWindow() const { return m_viewState & WebCore::ViewState::IsInWindow; }
 366     void waitForDidUpdateViewState();
 367     void didUpdateViewState() { m_waitingForDidUpdateViewState = false; }
 368
 369     void layerHostingModeDidChange();
 370
 371     WebCore::IntSize viewSize() const;
 372     bool isViewVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
 373     bool isViewWindowActive() const;
 374     bool isProcessSuppressible() const;
 375
 376     void addMIMETypeWithCustomContentProvider(const String& mimeType);
 377
 378     void executeEditCommand(const String& commandName);
 379     void validateCommand(const String& commandName, std::function<void (const String&, bool, int32_t, CallbackBase::Error)>);
 380 #if PLATFORM(IOS)
 381     void executeEditCommand(const String& commandName, std::function<void (CallbackBase::Error)>);
 382     double displayedContentScale() const { return m_lastVisibleContentRectUpdate.scale(); }
 383     const WebCore::FloatRect& exposedContentRect() const { return m_lastVisibleContentRectUpdate.exposedRect(); }
 384     const WebCore::FloatRect& unobscuredContentRect() const { return m_lastVisibleContentRectUpdate.unobscuredRect(); }
 385
 386     void updateVisibleContentRects(const WebCore::FloatRect& exposedRect, const WebCore::FloatRect& unobscuredRect, const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& customFixedPositionRect, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, double timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate);
 387     void resendLastVisibleContentRects();
 388
 389     enum class UnobscuredRectConstraint { ConstrainedToDocumentRect, Unconstrained };
 390     WebCore::FloatRect computeCustomFixedPositionRect(const WebCore::FloatRect& unobscuredContentRect, double displayedContentScale, UnobscuredRectConstraint = UnobscuredRectConstraint::Unconstrained) const;
 391     void overflowScrollViewWillStartPanGesture();
 392     void overflowScrollViewDidScroll();
 393     void overflowScrollWillStartScroll();
 394     void overflowScrollDidEndScroll();
 395
 396     void dynamicViewportSizeUpdate(const WebCore::FloatSize& minimumLayoutSize, const WebCore::FloatSize& minimumLayoutSizeForMinimalUI, const WebCore::FloatSize& maximumUnobscuredSize, const WebCore::FloatRect& targetExposedContentRect, const WebCore::FloatRect& targetUnobscuredRect, const WebCore::FloatRect& targetUnobscuredRectInScrollViewCoordinates, double targetScale, int32_t deviceOrientation);
 397     void synchronizeDynamicViewportUpdate();
 398
 399     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
 400     void setViewportConfigurationMinimumLayoutSizeForMinimalUI(const WebCore::FloatSize&);
 401     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
 402     void setDeviceOrientation(int32_t);
 403     int32_t deviceOrientation() const { return m_deviceOrientation; }
 404     void willCommitLayerTree(uint64_t transactionID);
 405     void didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction&);
 406
 407     void selectWithGesture(const WebCore::IntPoint, WebCore::TextGranularity, uint32_t gestureType, uint32_t gestureState, std::function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>);
 408     void updateSelectionWithTouches(const WebCore::IntPoint, uint32_t touches, bool baseIsStart, std::function<void (const WebCore::IntPoint&, uint32_t, CallbackBase::Error)>);
 409     void selectWithTwoTouches(const WebCore::IntPoint from, const WebCore::IntPoint to, uint32_t gestureType, uint32_t gestureState, std::function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>);
 410     void updateBlockSelectionWithTouch(const WebCore::IntPoint, uint32_t touch, uint32_t handlePosition);
 411     void extendSelection(WebCore::TextGranularity);
 412     void selectWordBackward();
 413     void requestAutocorrectionData(const String& textForAutocorrection, std::function<void (const Vector<WebCore::FloatRect>&, const String&, double, uint64_t, CallbackBase::Error)>);
 414     void applyAutocorrection(const String& correction, const String& originalText, std::function<void (const String&, CallbackBase::Error)>);
 415     bool applyAutocorrection(const String& correction, const String& originalText);
 416     void requestAutocorrectionContext(std::function<void (const String&, const String&, const String&, const String&, uint64_t, uint64_t, CallbackBase::Error)>);
 417     void getAutocorrectionContext(String& contextBefore, String& markedText, String& selectedText, String& contextAfter, uint64_t& location, uint64_t& length);
 418     void requestDictationContext(std::function<void (const String&, const String&, const String&, CallbackBase::Error)>);
 419     void replaceDictatedText(const String& oldText, const String& newText);
 420     void replaceSelectedText(const String& oldText, const String& newText);
 421     void didReceivePositionInformation(const InteractionInformationAtPosition&);
 422     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
 423     void requestPositionInformation(const WebCore::IntPoint&);
 424     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
 425     void stopInteraction();
 426     void performActionOnElement(uint32_t action);
 427     void saveImageToLibrary(const SharedMemory::Handle& imageHandle, uint64_t imageSize);
 428     void didUpdateBlockSelectionWithTouch(uint32_t touch, uint32_t flags, float growThreshold, float shrinkThreshold);
 429     void focusNextAssistedNode(bool isForward);
 430     void setAssistedNodeValue(const String&);
 431     void setAssistedNodeValueAsNumber(double);
 432     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
 433     void applicationWillEnterForeground();
 434     void applicationWillResignActive();
 435     void applicationDidBecomeActive();
 436     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
 437     void commitPotentialTapFailed();
 438     void didNotHandleTapAsClick(const WebCore::IntPoint&);
 439     void viewportMetaTagWidthDidChange(float width);
 440     void setUsesMinimalUI(bool);
 441     void didFinishDrawingPagesToPDF(const IPC::DataReference&);
 442     void contentSizeCategoryDidChange(const String& contentSizeCategory);
 443 #endif
 444
 445     const EditorState& editorState() const { return m_editorState; }
 446     bool canDelete() const { return hasSelectedRange() && isContentEditable(); }
 447     bool hasSelectedRange() const { return m_editorState.selectionIsRange; }
 448     bool isContentEditable() const { return m_editorState.isContentEditable; }
 449
 450     bool maintainsInactiveSelection() const { return m_maintainsInactiveSelection; }
 451     void setMaintainsInactiveSelection(bool);
 452 #if USE(TILED_BACKING_STORE)
 453     void didRenderFrame(const WebCore::IntSize& contentsSize, const WebCore::IntRect& coveredRect);
 454 #endif
 455 #if PLATFORM(EFL)
 456     void setThemePath(const String&);
 457 #endif
 458
 459 #if PLATFORM(GTK)
 460     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeEnd);
 461     void confirmComposition(const String& compositionString, int64_t selectionStart, int64_t selectionLength);
 462     void cancelComposition();
 463 #endif
 464
 465 #if PLATFORM(GTK)
 466     void setInputMethodState(bool enabled);
 467 #endif
 468
 469 #if PLATFORM(COCOA)
 470     void windowAndViewFramesChanged(const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
 471     void setMainFrameIsScrollable(bool);
 472
 473     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
 474     bool shouldDelayWindowOrderingForEvent(const WebMouseEvent&);
 475     bool acceptsFirstMouse(int eventNumber, const WebMouseEvent&);
 476
 477     void setAcceleratedCompositingRootLayer(LayerOrView*);
 478     LayerOrView* acceleratedCompositingRootLayer() const;
 479
 480     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
 481     void getMarkedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
 482     void getSelectedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
 483     void characterIndexForPointAsync(const WebCore::IntPoint&, std::function<void (uint64_t, CallbackBase::Error)>);
 484     void firstRectForCharacterRangeAsync(const EditingRange&, std::function<void (const WebCore::IntRect&, const EditingRange&, CallbackBase::Error)>);
 485     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 486     void confirmCompositionAsync();
 487
 488 #if PLATFORM(MAC)
 489     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives, bool registerUndoGroup);
 490     void attributedSubstringForCharacterRangeAsync(const EditingRange&, std::function<void (const AttributedString&, const EditingRange&, CallbackBase::Error)>);
 491
 492 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
 493     bool insertText(const String& text, const EditingRange& replacementRange);
 494     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 495     void confirmComposition();
 496     bool insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives);
 497     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
 498     void getMarkedRange(EditingRange&);
 499     void getSelectedRange(EditingRange&);
 500     uint64_t characterIndexForPoint(const WebCore::IntPoint);
 501     WebCore::IntRect firstRectForCharacterRange(const EditingRange&);
 502     bool executeKeypressCommands(const Vector<WebCore::KeypressCommand>&);
 503     void cancelComposition();
 504 #endif
 505
 506     WKView* wkView() const;
 507     void intrinsicContentSizeDidChange(const WebCore::IntSize& intrinsicContentSize);
 508 #endif
 509 #endif // PLATFORM(COCOA)
 510 #if PLATFORM(EFL)
 511     void handleInputMethodKeydown(bool& handled);
 512     void confirmComposition(const String&);
 513     void setComposition(const String&, Vector<WebCore::CompositionUnderline>&, int);
 514     void cancelComposition();
 515 #endif
 516 #if PLATFORM(GTK)
 517     PlatformWidget viewWidget();
 518 #endif
 519 #if USE(TILED_BACKING_STORE)
 520     void commitPageTransitionViewport();
 521 #endif
 522
 523     void handleMouseEvent(const NativeWebMouseEvent&);
 524     void handleWheelEvent(const NativeWebWheelEvent&);
 525     void handleKeyboardEvent(const NativeWebKeyboardEvent&);
 526 #if ENABLE(IOS_TOUCH_EVENTS)
 527     void handleTouchEventSynchronously(const NativeWebTouchEvent&);
 528     void handleTouchEventAsynchronously(const NativeWebTouchEvent&);
 529 #elif ENABLE(TOUCH_EVENTS)
 530     void handleTouchEvent(const NativeWebTouchEvent&);
 531 #endif
 532
 533     void scrollBy(WebCore::ScrollDirection, WebCore::ScrollGranularity);
 534     void centerSelectionInVisibleArea();
 535
 536     const String& toolTip() const { return m_toolTip; }
 537
 538     const String& userAgent() const { return m_userAgent; }
 539     void setApplicationNameForUserAgent(const String&);
 540     const String& applicationNameForUserAgent() const { return m_applicationNameForUserAgent; }
 541     void setCustomUserAgent(const String&);
 542     const String& customUserAgent() const { return m_customUserAgent; }
 543     static String standardUserAgent(const String& applicationName = String());
 544
 545     bool supportsTextEncoding() const;
 546     void setCustomTextEncodingName(const String&);
 547     String customTextEncodingName() const { return m_customTextEncodingName; }
 548
 549     bool areActiveDOMObjectsAndAnimationsSuspended() const { return m_isPageSuspended; }
 550     void resumeActiveDOMObjectsAndAnimations();
 551     void suspendActiveDOMObjectsAndAnimations();
 552
 553     double estimatedProgress() const;
 554
 555     void terminateProcess();
 556
 557     SessionState sessionState(const std::function<bool (WebBackForwardListItem&)>& = nullptr) const;
 558     uint64_t restoreFromSessionState(SessionState, bool navigate);
 559
 560     bool supportsTextZoom() const;
 561     double textZoomFactor() const { return m_textZoomFactor; }
 562     void setTextZoomFactor(double);
 563     double pageZoomFactor() const { return m_pageZoomFactor; }
 564     void setPageZoomFactor(double);
 565     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
 566
 567     void scalePage(double scale, const WebCore::IntPoint& origin);
 568     void scalePageInViewCoordinates(double scale, const WebCore::IntPoint& centerInViewCoordinates);
 569     double pageScaleFactor() const { return m_pageScaleFactor; }
 570
 571     float deviceScaleFactor() const;
 572     void setIntrinsicDeviceScaleFactor(float);
 573     void setCustomDeviceScaleFactor(float);
 574     void windowScreenDidChange(PlatformDisplayID);
 575
 576     void setUseFixedLayout(bool);
 577     void setFixedLayoutSize(const WebCore::IntSize&);
 578     bool useFixedLayout() const { return m_useFixedLayout; };
 579     const WebCore::IntSize& fixedLayoutSize() const { return m_fixedLayoutSize; };
 580
 581     void listenForLayoutMilestones(WebCore::LayoutMilestones);
 582
 583     bool hasHorizontalScrollbar() const { return m_mainFrameHasHorizontalScrollbar; }
 584     bool hasVerticalScrollbar() const { return m_mainFrameHasVerticalScrollbar; }
 585
 586     void setSuppressScrollbarAnimations(bool);
 587     bool areScrollbarAnimationsSuppressed() const { return m_suppressScrollbarAnimations; }
 588
 589     bool isPinnedToLeftSide() const { return m_mainFrameIsPinnedToLeftSide; }
 590     bool isPinnedToRightSide() const { return m_mainFrameIsPinnedToRightSide; }
 591     bool isPinnedToTopSide() const { return m_mainFrameIsPinnedToTopSide; }
 592     bool isPinnedToBottomSide() const { return m_mainFrameIsPinnedToBottomSide; }
 593
 594     bool rubberBandsAtLeft() const;
 595     void setRubberBandsAtLeft(bool);
 596     bool rubberBandsAtRight() const;
 597     void setRubberBandsAtRight(bool);
 598     bool rubberBandsAtTop() const;
 599     void setRubberBandsAtTop(bool);
 600     bool rubberBandsAtBottom() const;
 601     void setRubberBandsAtBottom(bool);
 602
 603     void setShouldUseImplicitRubberBandControl(bool shouldUseImplicitRubberBandControl) { m_shouldUseImplicitRubberBandControl = shouldUseImplicitRubberBandControl; }
 604     bool shouldUseImplicitRubberBandControl() const { return m_shouldUseImplicitRubberBandControl; }
 605
 606     void setEnableVerticalRubberBanding(bool);
 607     bool verticalRubberBandingIsEnabled() const;
 608     void setEnableHorizontalRubberBanding(bool);
 609     bool horizontalRubberBandingIsEnabled() const;
 610
 611     void setBackgroundExtendsBeyondPage(bool);
 612     bool backgroundExtendsBeyondPage() const;
 613
 614     void setPaginationMode(WebCore::Pagination::Mode);
 615     WebCore::Pagination::Mode paginationMode() const { return m_paginationMode; }
 616     void setPaginationBehavesLikeColumns(bool);
 617     bool paginationBehavesLikeColumns() const { return m_paginationBehavesLikeColumns; }
 618     void setPageLength(double);
 619     double pageLength() const { return m_pageLength; }
 620     void setGapBetweenPages(double);
 621     double gapBetweenPages() const { return m_gapBetweenPages; }
 622     unsigned pageCount() const { return m_pageCount; }
 623
 624 #if PLATFORM(COCOA)
 625     // Called by the web process through a message.
 626     void registerWebProcessAccessibilityToken(const IPC::DataReference&);
 627     // Called by the UI process when it is ready to send its tokens to the web process.
 628     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
 629     bool readSelectionFromPasteboard(const String& pasteboardName);
 630     String stringSelectionForPasteboard();
 631     PassRefPtr<WebCore::SharedBuffer> dataSelectionForPasteboard(const String& pasteboardType);
 632     void makeFirstResponder();
 633
 634     ColorSpaceData colorSpace();
 635 #endif
 636
 637 #if ENABLE(SERVICE_CONTROLS)
 638     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
 639 #endif
 640
 641     void pageScaleFactorDidChange(double);
 642     void pageZoomFactorDidChange(double);
 643
 644     // Find.
 645     void findString(const String&, FindOptions, unsigned maxMatchCount);
 646     void findStringMatches(const String&, FindOptions, unsigned maxMatchCount);
 647     void getImageForFindMatch(int32_t matchIndex);
 648     void selectFindMatch(int32_t matchIndex);
 649     void didGetImageForFindMatch(const ShareableBitmap::Handle& contentImageHandle, uint32_t matchIndex);
 650     void hideFindUI();
 651     void countStringMatches(const String&, FindOptions, unsigned maxMatchCount);
 652     void didCountStringMatches(const String&, uint32_t matchCount);
 653     void setFindIndicator(const WebCore::FloatRect& selectionRectInWindowCoordinates, const Vector<WebCore::FloatRect>& textRectsInSelectionRectCoordinates, float contentImageScaleFactor, const ShareableBitmap::Handle& contentImageHandle, bool fadeOut, bool animate);
 654     void didFindString(const String&, uint32_t matchCount, int32_t matchIndex);
 655     void didFailToFindString(const String&);
 656     void didFindStringMatches(const String&, const Vector<Vector<WebCore::IntRect>>& matchRects, int32_t firstIndexAfterSelection);
 657
 658     void getContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
 659     void getBytecodeProfile(std::function<void (const String&, CallbackBase::Error)>);
 660
 661 #if ENABLE(MHTML)
 662     void getContentsAsMHTMLData(std::function<void (API::Data*, CallbackBase::Error)>, bool useBinaryEncoding);
 663 #endif
 664     void getMainResourceDataOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
 665     void getResourceDataFromFrame(WebFrameProxy*, API::URL*, std::function<void (API::Data*, CallbackBase::Error)>);
 666     void getRenderTreeExternalRepresentation(std::function<void (const String&, CallbackBase::Error)>);
 667     void getSelectionOrContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
 668     void getSelectionAsWebArchiveData(std::function<void (API::Data*, CallbackBase::Error)>);
 669     void getSourceForFrame(WebFrameProxy*, std::function<void (const String&, CallbackBase::Error)>);
 670     void getWebArchiveOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
 671     void runJavaScriptInMainFrame(const String&, std::function<void (WebSerializedScriptValue*, CallbackBase::Error)> callbackFunction);
 672     void forceRepaint(PassRefPtr<VoidCallback>);
 673
 674     float headerHeight(WebFrameProxy*);
 675     float footerHeight(WebFrameProxy*);
 676     void drawHeader(WebFrameProxy*, const WebCore::FloatRect&);
 677     void drawFooter(WebFrameProxy*, const WebCore::FloatRect&);
 678
 679 #if PLATFORM(COCOA)
 680     // Dictionary.
 681     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
 682 #endif
 683
 684     void receivedPolicyDecision(WebCore::PolicyAction, WebFrameProxy*, uint64_t listenerID, uint64_t navigationID);
 685
 686     void backForwardRemovedItem(uint64_t itemID);
 687
 688 #if ENABLE(DRAG_SUPPORT)
 689     // Drag and drop support.
 690     void dragEntered(WebCore::DragData&, const String& dragStorageName = String());
 691     void dragUpdated(WebCore::DragData&, const String& dragStorageName = String());
 692     void dragExited(WebCore::DragData&, const String& dragStorageName = String());
 693     void performDragOperation(WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
 694
 695     void didPerformDragControllerAction(uint64_t dragOperation, bool mouseIsOverFileInput, unsigned numberOfItemsToBeAccepted);
 696     void dragEnded(const WebCore::IntPoint& clientPosition, const WebCore::IntPoint& globalPosition, uint64_t operation);
 697 #if PLATFORM(COCOA)
 698     void setDragImage(const WebCore::IntPoint& clientPosition, const ShareableBitmap::Handle& dragImageHandle, bool isLinkDrag);
 699     void setPromisedData(const String& pasteboardName, const SharedMemory::Handle& imageHandle, uint64_t imageSize, const String& filename, const String& extension,
 700                          const String& title, const String& url, const String& visibleURL, const SharedMemory::Handle& archiveHandle, uint64_t archiveSize);
 701 #endif
 702 #if PLATFORM(GTK)
 703     void startDrag(const WebCore::DragData&, const ShareableBitmap::Handle& dragImage);
 704 #endif
 705 #endif
 706
 707     void processDidBecomeUnresponsive();
 708     void interactionOccurredWhileProcessUnresponsive();
 709     void processDidBecomeResponsive();
 710     void processDidCrash();
 711
 712     virtual void enterAcceleratedCompositingMode(const LayerTreeContext&);
 713     virtual void exitAcceleratedCompositingMode();
 714     virtual void updateAcceleratedCompositingMode(const LayerTreeContext&);
 715
 716     void didDraw();
 717
 718     enum UndoOrRedo { Undo, Redo };
 719     void addEditCommand(WebEditCommandProxy*);
 720     void removeEditCommand(WebEditCommandProxy*);
 721     bool isValidEditCommand(WebEditCommandProxy*);
 722     void registerEditCommand(PassRefPtr<WebEditCommandProxy>, UndoOrRedo);
 723
 724 #if PLATFORM(COCOA)
 725     void registerKeypressCommandName(const String& name) { m_knownKeypressCommandNames.add(name); }
 726     bool isValidKeypressCommandName(const String& name) const { return m_knownKeypressCommandNames.contains(name); }
 727 #endif
 728
 729     WebProcessProxy& process() { return m_process.get(); }
 730     PlatformProcessIdentifier processIdentifier() const;
 731
 732     WebPreferences& preferences() { return m_preferences.get(); }
 733     void setPreferences(WebPreferences&);
 734
 735     WebPageGroup& pageGroup() { return m_pageGroup.get(); }
 736
 737     bool isValid() const;
 738
 739     PassRefPtr<API::Array> relatedPages() const;
 740
 741     const String& urlAtProcessExit() const { return m_urlAtProcessExit; }
 742     FrameLoadState::State loadStateAtProcessExit() const { return m_loadStateAtProcessExit; }
 743
 744 #if ENABLE(DRAG_SUPPORT)
 745     WebCore::DragOperation currentDragOperation() const { return m_currentDragOperation; }
 746     bool currentDragIsOverFileInput() const { return m_currentDragIsOverFileInput; }
 747     unsigned currentDragNumberOfFilesToBeAccepted() const { return m_currentDragNumberOfFilesToBeAccepted; }
 748     void resetCurrentDragInformation()
 749     {
 750         m_currentDragOperation = WebCore::DragOperationNone;
 751         m_currentDragIsOverFileInput = false;
 752         m_currentDragNumberOfFilesToBeAccepted = 0;
 753     }
 754 #endif
 755
 756     void preferencesDidChange();
 757
 758 #if ENABLE(CONTEXT_MENUS)
 759     // Called by the WebContextMenuProxy.
 760     void contextMenuItemSelected(const WebContextMenuItemData&);
 761 #endif
 762
 763     // Called by the WebOpenPanelResultListenerProxy.
 764 #if PLATFORM(IOS)
 765     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const API::Data* iconData);
 766 #endif
 767     void didChooseFilesForOpenPanel(const Vector<String>&);
 768     void didCancelForOpenPanel();
 769
 770     WebPageCreationParameters creationParameters();
 771
 772 #if USE(COORDINATED_GRAPHICS)
 773     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize&);
 774 #endif
 775
 776     void handleDownloadRequest(DownloadProxy*);
 777
 778     void advanceToNextMisspelling(bool startBeforeSelection);
 779     void changeSpellingToWord(const String& word);
 780 #if USE(APPKIT)
 781     void uppercaseWord();
 782     void lowercaseWord();
 783     void capitalizeWord();
 784 #endif
 785
 786 #if PLATFORM(COCOA)
 787     bool isSmartInsertDeleteEnabled() const { return m_isSmartInsertDeleteEnabled; }
 788     void setSmartInsertDeleteEnabled(bool);
 789 #endif
 790
 791 #if PLATFORM(GTK)
 792     String accessibilityPlugID() const { return m_accessibilityPlugID; }
 793 #endif
 794
 795     void setCanRunModal(bool);
 796     bool canRunModal();
 797
 798     void beginPrinting(WebFrameProxy*, const PrintInfo&);
 799     void endPrinting();
 800     void computePagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<ComputedPagesCallback>);
 801 #if PLATFORM(COCOA)
 802     void drawRectToImage(WebFrameProxy*, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, PassRefPtr<ImageCallback>);
 803     void drawPagesToPDF(WebFrameProxy*, const PrintInfo&, uint32_t first, uint32_t count, PassRefPtr<DataCallback>);
 804 #elif PLATFORM(GTK)
 805     void drawPagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<PrintFinishedCallback>);
 806 #endif
 807
 808     PageLoadState& pageLoadState() { return m_pageLoadState; }
 809
 810 #if PLATFORM(COCOA)
 811     void handleAlternativeTextUIResult(const String& result);
 812 #endif
 813
 814     void saveDataToFileInDownloadsFolder(const String& suggestedFilename, const String& mimeType, const String& originatingURLString, API::Data*);
 815     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&);
 816 #if PLATFORM(COCOA)
 817     void savePDFToTemporaryFolderAndOpenWithNativeApplicationRaw(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
 818     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&, const String& pdfUUID);
 819     void openPDFFromTemporaryFolderWithNativeApplication(const String& pdfUUID);
 820 #endif
 821
 822     WebCore::IntRect visibleScrollerThumbRect() const { return m_visibleScrollerThumbRect; }
 823
 824     uint64_t renderTreeSize() const { return m_renderTreeSize; }
 825
 826     void setShouldSendEventsSynchronously(bool sync) { m_shouldSendEventsSynchronously = sync; };
 827
 828     void printMainFrame();
 829
 830     void setMediaVolume(float);
 831     void setMayStartMediaWhenInWindow(bool);
 832     bool mayStartMediaWhenInWindow() const { return m_mayStartMediaWhenInWindow; }
 833
 834     // WebPopupMenuProxy::Client
 835     virtual NativeWebMouseEvent* currentlyProcessedMouseDownEvent();
 836
 837 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
 838     void setAcceleratedCompositingWindowId(uint64_t nativeWindowId);
 839 #endif
 840
 841     void setSuppressVisibilityUpdates(bool flag) { m_suppressVisibilityUpdates = flag; }
 842     bool suppressVisibilityUpdates() { return m_suppressVisibilityUpdates; }
 843
 844 #if PLATFORM(IOS)
 845     void willStartUserTriggeredZooming();
 846
 847     void potentialTapAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
 848     void commitPotentialTap();
 849     void cancelPotentialTap();
 850     void tapHighlightAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
 851
 852     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
 853     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
 854
 855     void blurAssistedNode();
 856 #endif
 857
 858     void postMessageToInjectedBundle(const String& messageName, API::Object* messageBody);
 859
 860 #if ENABLE(INPUT_TYPE_COLOR)
 861     void setColorPickerColor(const WebCore::Color&);
 862     void endColorPicker();
 863 #endif
 864
 865     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
 866     void setMinimumLayoutSize(const WebCore::IntSize&);
 867
 868     bool autoSizingShouldExpandToViewHeight() const { return m_autoSizingShouldExpandToViewHeight; }
 869     void setAutoSizingShouldExpandToViewHeight(bool);
 870
 871     void didReceiveAuthenticationChallengeProxy(uint64_t frameID, PassRefPtr<AuthenticationChallengeProxy>);
 872
 873     int64_t spellDocumentTag();
 874     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
 875     void didCancelCheckingText(uint64_t requestID);
 876
 877     void connectionWillOpen(IPC::Connection*);
 878     void connectionWillClose(IPC::Connection*);
 879
 880     void processDidFinishLaunching();
 881
 882     void didSaveToPageCache();
 883
 884     void setScrollPinningBehavior(WebCore::ScrollPinningBehavior);
 885     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
 886
 887     bool shouldRecordNavigationSnapshots() const { return m_shouldRecordNavigationSnapshots; }
 888     void setShouldRecordNavigationSnapshots(bool shouldRecordSnapshots) { m_shouldRecordNavigationSnapshots = shouldRecordSnapshots; }
 889     void recordNavigationSnapshot();
 890
 891 #if PLATFORM(COCOA)
 892     PassRefPtr<ViewSnapshot> takeViewSnapshot();
 893 #endif
 894
 895 #if ENABLE(SUBTLE_CRYPTO)
 896     void wrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
 897     void unwrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
 898 #endif
 899
 900     void setThumbnailScale(double);
 901
 902     void takeSnapshot(WebCore::IntRect, WebCore::IntSize bitmapSize, SnapshotOptions, std::function<void (const ShareableBitmap::Handle&, CallbackBase::Error)>);
 903
 904     void navigationGestureDidBegin();
 905     void navigationGestureWillEnd(bool willNavigate, WebBackForwardListItem&);
 906     void navigationGestureDidEnd(bool willNavigate, WebBackForwardListItem&);
 907     void navigationGestureSnapshotWasRemoved();
 908     void willRecordNavigationSnapshot(WebBackForwardListItem&);
 909
 910     bool isShowingNavigationGestureSnapshot() const { return m_isShowingNavigationGestureSnapshot; }
 911
 912 private:
 913     WebPageProxy(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
 914     void platformInitialize();
 915
 916     void updateViewState(WebCore::ViewState::Flags flagsToUpdate = WebCore::ViewState::AllFlags);
 917     void updateActivityToken();
 918
 919     enum class ResetStateReason {
 920         PageInvalidated,
 921         WebProcessExited,
 922     };
 923     void resetState(ResetStateReason);
 924     void resetStateAfterProcessExited();
 925
 926     void setUserAgent(const String&);
 927
 928     // IPC::MessageReceiver
 929     virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
 930     virtual void didReceiveSyncMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
 931
 932     // IPC::MessageSender
 933     virtual bool sendMessage(std::unique_ptr<IPC::MessageEncoder>, unsigned messageSendFlags) override;
 934     virtual IPC::Connection* messageSenderConnection() override;
 935     virtual uint64_t messageSenderDestinationID() override;
 936
 937     // WebPopupMenuProxy::Client
 938     virtual void valueChangedForPopupMenu(WebPopupMenuProxy*, int32_t newSelectedIndex);
 939     virtual void setTextFromItemForPopupMenu(WebPopupMenuProxy*, int32_t index);
 940 #if PLATFORM(GTK)
 941     virtual void failedToShowPopupMenu();
 942 #endif
 943
 944     // Implemented in generated WebPageProxyMessageReceiver.cpp
 945     void didReceiveWebPageProxyMessage(IPC::Connection*, IPC::MessageDecoder&);
 946     void didReceiveSyncWebPageProxyMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
 947
 948     void didCreateMainFrame(uint64_t frameID);
 949     void didCreateSubframe(uint64_t frameID);
 950
 951     void didStartProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& url, const String& unreachableURL, IPC::MessageDecoder&);
 952     void didReceiveServerRedirectForProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String&, IPC::MessageDecoder&);
 953     void didFailProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const WebCore::ResourceError&, IPC::MessageDecoder&);
 954     void didCommitLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& mimeType, bool frameHasCustomContentProvider, uint32_t frameLoadType, const WebCore::CertificateInfo&, IPC::MessageDecoder&);
 955     void didFinishDocumentLoadForFrame(uint64_t frameID, uint64_t navigationID, IPC::MessageDecoder&);
 956     void didFinishLoadForFrame(uint64_t frameID, uint64_t navigationID, IPC::MessageDecoder&);
 957     void didFailLoadForFrame(uint64_t frameID, uint64_t navigationID, const WebCore::ResourceError&, IPC::MessageDecoder&);
 958     void didSameDocumentNavigationForFrame(uint64_t frameID, uint64_t navigationID, uint32_t sameDocumentNavigationType, const String&, IPC::MessageDecoder&);
 959     void didReceiveTitleForFrame(uint64_t frameID, const String&, IPC::MessageDecoder&);
 960     void didFirstLayoutForFrame(uint64_t frameID, IPC::MessageDecoder&);
 961     void didFirstVisuallyNonEmptyLayoutForFrame(uint64_t frameID, IPC::MessageDecoder&);
 962     void didLayout(uint32_t layoutMilestones, IPC::MessageDecoder&);
 963     void didRemoveFrameFromHierarchy(uint64_t frameID, IPC::MessageDecoder&);
 964     void didDisplayInsecureContentForFrame(uint64_t frameID, IPC::MessageDecoder&);
 965     void didRunInsecureContentForFrame(uint64_t frameID, IPC::MessageDecoder&);
 966     void didDetectXSSForFrame(uint64_t frameID, IPC::MessageDecoder&);
 967     void frameDidBecomeFrameSet(uint64_t frameID, bool);
 968     void didStartProgress();
 969     void didChangeProgress(double);
 970     void didFinishProgress();
 971     void setNetworkRequestsInProgress(bool);
 972
 973     void didDestroyNavigation(uint64_t navigationID);
 974
 975     void decidePolicyForNavigationAction(uint64_t frameID, uint64_t navigationID, const NavigationActionData&, uint64_t originatingFrameID, const WebCore::ResourceRequest& originalRequest, const WebCore::ResourceRequest&, uint64_t listenerID, IPC::MessageDecoder&, bool& receivedPolicyAction, uint64_t& newNavigationID, uint64_t& policyAction, uint64_t& downloadID);
 976     void decidePolicyForNewWindowAction(uint64_t frameID, const NavigationActionData&, const WebCore::ResourceRequest&, const String& frameName, uint64_t listenerID, IPC::MessageDecoder&);
 977     void decidePolicyForResponse(uint64_t frameID, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, IPC::MessageDecoder&);
 978     void decidePolicyForResponseSync(uint64_t frameID, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, IPC::MessageDecoder&, bool& receivedPolicyAction, uint64_t& policyAction, uint64_t& downloadID);
 979     void unableToImplementPolicy(uint64_t frameID, const WebCore::ResourceError&, IPC::MessageDecoder&);
 980
 981     void willSubmitForm(uint64_t frameID, uint64_t sourceFrameID, const Vector<std::pair<String, String>>& textFieldValues, uint64_t listenerID, IPC::MessageDecoder&);
 982
 983     // UI client
 984     void createNewPage(uint64_t frameID, const WebCore::ResourceRequest&, const WebCore::WindowFeatures&, const NavigationActionData&, uint64_t& newPageID, WebPageCreationParameters&);
 985     void showPage();
 986     void closePage(bool stopResponsivenessTimer);
 987     void runJavaScriptAlert(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptAlert::DelayedReply>);
 988     void runJavaScriptConfirm(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptConfirm::DelayedReply>);
 989     void runJavaScriptPrompt(uint64_t frameID, const String&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptPrompt::DelayedReply>);
 990     void shouldInterruptJavaScript(bool& result);
 991     void setStatusText(const String&);
 992     void mouseDidMoveOverElement(const WebHitTestResult::Data& hitTestResultData, uint32_t modifiers, IPC::MessageDecoder&);
 993 #if ENABLE(NETSCAPE_PLUGIN_API)
 994     void unavailablePluginButtonClicked(uint32_t opaquePluginUnavailabilityReason, const String& mimeType, const String& pluginURLString, const String& pluginsPageURLString, const String& frameURLString, const String& pageURLString);
 995 #endif // ENABLE(NETSCAPE_PLUGIN_API)
 996 #if ENABLE(WEBGL)
 997     void webGLPolicyForURL(const String& url, uint32_t& loadPolicy);
 998     void resolveWebGLPolicyForURL(const String& url, uint32_t& loadPolicy);
 999 #endif // ENABLE(WEBGL)
1000     void setToolbarsAreVisible(bool toolbarsAreVisible);
1001     void getToolbarsAreVisible(bool& toolbarsAreVisible);
1002     void setMenuBarIsVisible(bool menuBarIsVisible);
1003     void getMenuBarIsVisible(bool& menuBarIsVisible);
1004     void setStatusBarIsVisible(bool statusBarIsVisible);
1005     void getStatusBarIsVisible(bool& statusBarIsVisible);
1006     void setIsResizable(bool isResizable);
1007     void getIsResizable(bool& isResizable);
1008     void setWindowFrame(const WebCore::FloatRect&);
1009     void getWindowFrame(WebCore::FloatRect&);
1010     void screenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1011     void rootViewToScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1012 #if PLATFORM(IOS)
1013     void accessibilityScreenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1014     void rootViewToAccessibilityScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1015 #endif
1016     void runBeforeUnloadConfirmPanel(const String& message, uint64_t frameID, bool& shouldClose);
1017     void didChangeViewportProperties(const WebCore::ViewportAttributes&);
1018     void pageDidScroll();
1019     void runOpenPanel(uint64_t frameID, const WebCore::FileChooserSettings&);
1020     void printFrame(uint64_t frameID);
1021     void exceededDatabaseQuota(uint64_t frameID, const String& originIdentifier, const String& databaseName, const String& displayName, uint64_t currentQuota, uint64_t currentOriginUsage, uint64_t currentDatabaseUsage, uint64_t expectedUsage, PassRefPtr<Messages::WebPageProxy::ExceededDatabaseQuota::DelayedReply>);
1022     void reachedApplicationCacheOriginQuota(const String& originIdentifier, uint64_t currentQuota, uint64_t totalBytesNeeded, PassRefPtr<Messages::WebPageProxy::ReachedApplicationCacheOriginQuota::DelayedReply>);
1023     void requestGeolocationPermissionForFrame(uint64_t geolocationID, uint64_t frameID, String originIdentifier);
1024     void runModal();
1025     void notifyScrollerThumbIsVisibleInRect(const WebCore::IntRect&);
1026     void recommendedScrollbarStyleDidChange(int32_t newStyle);
1027     void didChangeScrollbarsForMainFrame(bool hasHorizontalScrollbar, bool hasVerticalScrollbar);
1028     void didChangeScrollOffsetPinningForMainFrame(bool pinnedToLeftSide, bool pinnedToRightSide, bool pinnedToTopSide, bool pinnedToBottomSide);
1029     void didChangePageCount(unsigned);
1030     void pageExtendedBackgroundColorDidChange(WebCore::Color);
1031 #if ENABLE(NETSCAPE_PLUGIN_API)
1032     void didFailToInitializePlugin(const String& mimeType, const String& frameURLString, const String& pageURLString);
1033     void didBlockInsecurePluginVersion(const String& mimeType, const String& pluginURLString, const String& frameURLString, const String& pageURLString, bool replacementObscured);
1034 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1035     void setCanShortCircuitHorizontalWheelEvents(bool canShortCircuitHorizontalWheelEvents) { m_canShortCircuitHorizontalWheelEvents = canShortCircuitHorizontalWheelEvents; }
1036     void willChangeCurrentHistoryItemForMainFrame();
1037
1038     void reattachToWebProcess();
1039     uint64_t reattachToWebProcessWithItem(WebBackForwardListItem*);
1040
1041     void requestNotificationPermission(uint64_t notificationID, const String& originString);
1042     void showNotification(const String& title, const String& body, const String& iconURL, const String& tag, const String& lang, const String& dir, const String& originString, uint64_t notificationID);
1043     void cancelNotification(uint64_t notificationID);
1044     void clearNotifications(const Vector<uint64_t>& notificationIDs);
1045     void didDestroyNotification(uint64_t notificationID);
1046
1047 #if USE(TILED_BACKING_STORE)
1048     void pageDidRequestScroll(const WebCore::IntPoint&);
1049     void pageTransitionViewportReady();
1050 #endif
1051 #if USE(COORDINATED_GRAPHICS)
1052     void didFindZoomableArea(const WebCore::IntPoint&, const WebCore::IntRect&);
1053 #endif
1054 #if PLATFORM(EFL)
1055     void didChangeContentSize(const WebCore::IntSize&);
1056 #endif
1057
1058 #if ENABLE(INPUT_TYPE_COLOR)
1059     void showColorPicker(const WebCore::Color& initialColor, const WebCore::IntRect&);
1060     void didChooseColor(const WebCore::Color&);
1061     void didEndColorPicker();
1062 #endif
1063
1064     void editorStateChanged(const EditorState&);
1065     void compositionWasCanceled(const EditorState&);
1066
1067     // Back/Forward list management
1068     void backForwardAddItem(uint64_t itemID);
1069     void backForwardGoToItem(uint64_t itemID, SandboxExtension::Handle&);
1070     void backForwardItemAtIndex(int32_t index, uint64_t& itemID);
1071     void backForwardBackListCount(int32_t& count);
1072     void backForwardForwardListCount(int32_t& count);
1073     void backForwardClear();
1074
1075     // Undo management
1076     void registerEditCommandForUndo(uint64_t commandID, uint32_t editAction);
1077     void registerInsertionUndoGrouping();
1078     void clearAllEditCommands();
1079     void canUndoRedo(uint32_t action, bool& result);
1080     void executeUndoRedo(uint32_t action, bool& result);
1081
1082     // Keyboard handling
1083 #if PLATFORM(COCOA)
1084     void executeSavedCommandBySelector(const String& selector, bool& handled);
1085 #endif
1086
1087 #if PLATFORM(GTK)
1088     void getEditorCommandsForKeyEvent(const AtomicString&, Vector<String>&);
1089     void bindAccessibilityTree(const String&);
1090 #endif
1091 #if PLATFORM(EFL)
1092     void getEditorCommandsForKeyEvent(Vector<String>&);
1093 #endif
1094
1095     // Popup Menu.
1096     void showPopupMenu(const WebCore::IntRect& rect, uint64_t textDirection, const Vector<WebPopupItem>& items, int32_t selectedIndex, const PlatformPopupMenuData&);
1097     void hidePopupMenu();
1098
1099 #if ENABLE(CONTEXT_MENUS)
1100     enum class ContextMenuClientEligibility {
1101         EligibleForClient,
1102         NotEligibleForClient
1103     };
1104     void showContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, IPC::MessageDecoder&);
1105     void internalShowContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, ContextMenuClientEligibility, IPC::MessageDecoder*);
1106 #endif
1107
1108 #if ENABLE(TELEPHONE_NUMBER_DETECTION)
1109 #if PLATFORM(MAC)
1110     void showTelephoneNumberMenu(const String& telephoneNumber, const WebCore::IntPoint&);
1111 #endif
1112 #endif
1113
1114 #if ENABLE(SERVICE_CONTROLS)
1115     void showSelectionServiceMenu(const IPC::DataReference& selectionAsRTFD, const Vector<String>& telephoneNumbers, bool isEditable, const WebCore::IntPoint&);
1116 #endif
1117
1118     // Search popup results
1119     void saveRecentSearches(const String&, const Vector<String>&);
1120     void loadRecentSearches(const String&, Vector<String>&);
1121
1122 #if PLATFORM(COCOA)
1123     // Speech.
1124     void getIsSpeaking(bool&);
1125     void speak(const String&);
1126     void stopSpeaking();
1127
1128     // Spotlight.
1129     void searchWithSpotlight(const String&);
1130
1131     void searchTheWeb(const String&);
1132
1133     // Dictionary.
1134     void didPerformDictionaryLookup(const AttributedString&, const DictionaryPopupInfo&);
1135 #endif
1136
1137     // Spelling and grammar.
1138 #if USE(UNIFIED_TEXT_CHECKING)
1139     void checkTextOfParagraph(const String& text, uint64_t checkingTypes, Vector<WebCore::TextCheckingResult>& results);
1140 #endif
1141     void checkSpellingOfString(const String& text, int32_t& misspellingLocation, int32_t& misspellingLength);
1142     void checkGrammarOfString(const String& text, Vector<WebCore::GrammarDetail>&, int32_t& badGrammarLocation, int32_t& badGrammarLength);
1143     void spellingUIIsShowing(bool&);
1144     void updateSpellingUIWithMisspelledWord(const String& misspelledWord);
1145     void updateSpellingUIWithGrammarString(const String& badGrammarPhrase, const WebCore::GrammarDetail&);
1146     void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses);
1147     void learnWord(const String& word);
1148     void ignoreWord(const String& word);
1149     void requestCheckingOfString(uint64_t requestID, const WebCore::TextCheckingRequestData&);
1150
1151     void setFocus(bool focused);
1152     void takeFocus(uint32_t direction);
1153     void setToolTip(const String&);
1154     void setCursor(const WebCore::Cursor&);
1155     void setCursorHiddenUntilMouseMoves(bool);
1156
1157     void didReceiveEvent(uint32_t opaqueType, bool handled);
1158     void stopResponsivenessTimer();
1159
1160     void voidCallback(uint64_t);
1161     void dataCallback(const IPC::DataReference&, uint64_t);
1162     void imageCallback(const ShareableBitmap::Handle&, uint64_t);
1163     void stringCallback(const String&, uint64_t);
1164     void scriptValueCallback(const IPC::DataReference&, uint64_t);
1165     void computedPagesCallback(const Vector<WebCore::IntRect>&, double totalScaleFactorForPrinting, uint64_t);
1166     void validateCommandCallback(const String&, bool, int, uint64_t);
1167     void unsignedCallback(uint64_t, uint64_t);
1168     void editingRangeCallback(const EditingRange&, uint64_t);
1169     void rectForCharacterRangeCallback(const WebCore::IntRect&, const EditingRange&, uint64_t);
1170 #if PLATFORM(MAC)
1171     void attributedStringForCharacterRangeCallback(const AttributedString&, const EditingRange&, uint64_t);
1172 #endif
1173 #if PLATFORM(IOS)
1174     void gestureCallback(const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, uint64_t);
1175     void touchesCallback(const WebCore::IntPoint&, uint32_t, uint64_t);
1176     void autocorrectionDataCallback(const Vector<WebCore::FloatRect>&, const String&, float, uint64_t, uint64_t);
1177     void autocorrectionContextCallback(const String&, const String&, const String&, const String&, uint64_t, uint64_t, uint64_t);
1178     void dictationContextCallback(const String&, const String&, const String&, uint64_t);
1179     void interpretKeyEvent(const EditorState&, bool isCharEvent, bool& handled);
1180     void showPlaybackTargetPicker(bool hasVideo, const WebCore::IntRect& elementRect);
1181 #endif
1182 #if PLATFORM(GTK)
1183     void printFinishedCallback(const WebCore::ResourceError&, uint64_t);
1184 #endif
1185
1186     void focusedFrameChanged(uint64_t frameID);
1187     void frameSetLargestFrameChanged(uint64_t frameID);
1188
1189     void canAuthenticateAgainstProtectionSpaceInFrame(uint64_t frameID, const WebCore::ProtectionSpace&, bool& canAuthenticate);
1190     void didReceiveAuthenticationChallenge(uint64_t frameID, const WebCore::AuthenticationChallenge&, uint64_t challengeID);
1191
1192     void didFinishLoadingDataForCustomContentProvider(const String& suggestedFilename, const IPC::DataReference&);
1193
1194 #if PLATFORM(COCOA)
1195     void pluginFocusOrWindowFocusChanged(uint64_t pluginComplexTextInputIdentifier, bool pluginHasFocusAndWindowHasFocus);
1196     void setPluginComplexTextInputState(uint64_t pluginComplexTextInputIdentifier, uint64_t complexTextInputState);
1197 #endif
1198
1199     bool maybeInitializeSandboxExtensionHandle(const WebCore::URL&, SandboxExtension::Handle&);
1200
1201 #if PLATFORM(MAC)
1202     void substitutionsPanelIsShowing(bool&);
1203     void showCorrectionPanel(int32_t panelType, const WebCore::FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacementString, const Vector<String>& alternativeReplacementStrings);
1204     void dismissCorrectionPanel(int32_t reason);
1205     void dismissCorrectionPanelSoon(int32_t reason, String& result);
1206     void recordAutocorrectionResponse(int32_t responseType, const String& replacedString, const String& replacementString);
1207
1208 #if USE(DICTATION_ALTERNATIVES)
1209     void showDictationAlternativeUI(const WebCore::FloatRect& boundingBoxOfDictatedText, uint64_t dictationContext);
1210     void removeDictationAlternatives(uint64_t dictationContext);
1211     void dictationAlternatives(uint64_t dictationContext, Vector<String>& result);
1212 #endif
1213 #endif // PLATFORM(MAC)
1214
1215 #if PLATFORM(IOS)
1216     WebCore::FloatSize screenSize();
1217     WebCore::FloatSize availableScreenSize();
1218     float textAutosizingWidth();
1219
1220     void dynamicViewportUpdateChangedTarget(double newTargetScale, const WebCore::FloatPoint& newScrollPosition);
1221     void restorePageState(const WebCore::FloatRect&, double scale);
1222     void restorePageCenterAndScale(const WebCore::FloatPoint&, double scale);
1223
1224     void didGetTapHighlightGeometries(uint64_t requestID, const WebCore::Color& color, const Vector<WebCore::FloatQuad>& geometries, const WebCore::IntSize& topLeftRadius, const WebCore::IntSize& topRightRadius, const WebCore::IntSize& bottomLeftRadius, const WebCore::IntSize& bottomRightRadius);
1225
1226     void startAssistingNode(const AssistedNodeInformation&, bool userIsInteracting, bool blurPreviousNode, IPC::MessageDecoder&);
1227     void stopAssistingNode();
1228
1229 #if ENABLE(INSPECTOR)
1230     void showInspectorHighlight(const WebCore::Highlight&);
1231     void hideInspectorHighlight();
1232
1233     void showInspectorIndication();
1234     void hideInspectorIndication();
1235
1236     void enableInspectorNodeSearch();
1237     void disableInspectorNodeSearch();
1238 #endif
1239     void notifyRevealedSelection();
1240 #endif // PLATFORM(IOS)
1241
1242 #if USE(SOUP) && !ENABLE(CUSTOM_PROTOCOLS)
1243     void didReceiveURIRequest(String uriString, uint64_t requestID);
1244 #endif
1245
1246     void clearLoadDependentCallbacks();
1247
1248     void performDragControllerAction(DragControllerAction, WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
1249
1250     void updateBackingStoreDiscardableState();
1251
1252     void setRenderTreeSize(uint64_t treeSize) { m_renderTreeSize = treeSize; }
1253
1254 #if PLUGIN_ARCHITECTURE(X11)
1255     void createPluginContainer(uint64_t& windowID);
1256     void windowedPluginGeometryDidChange(const WebCore::IntRect& frameRect, const WebCore::IntRect& clipRect, uint64_t windowID);
1257     void windowedPluginVisibilityDidChange(bool isVisible, uint64_t windowID);
1258 #endif
1259
1260     void processNextQueuedWheelEvent();
1261     void sendWheelEvent(const WebWheelEvent&);
1262
1263 #if ENABLE(TOUCH_EVENTS)
1264     bool shouldStartTrackingTouchEvents(const WebTouchEvent&) const;
1265 #endif
1266
1267 #if ENABLE(NETSCAPE_PLUGIN_API)
1268     void findPlugin(const String& mimeType, uint32_t processType, const String& urlString, const String& frameURLString, const String& pageURLString, bool allowOnlyApplicationPlugins, uint64_t& pluginProcessToken, String& newMIMEType, uint32_t& pluginLoadPolicy, String& unavailabilityDescription);
1269 #endif
1270
1271 #if USE(QUICK_LOOK)
1272     void didStartLoadForQuickLookDocumentInMainFrame(const String& fileName, const String& uti);
1273     void didFinishLoadForQuickLookDocumentInMainFrame(const QuickLookDocumentData&);
1274 #endif
1275
1276 #if USE(CONTENT_FILTERING)
1277     void contentFilterDidBlockLoadForFrame(const WebCore::ContentFilter&, uint64_t frameID);
1278 #endif
1279
1280     uint64_t generateNavigationID();
1281
1282     WebPreferencesStore preferencesStore() const;
1283
1284     void dispatchViewStateChange();
1285     void viewDidLeaveWindow();
1286     void viewDidEnterWindow();
1287
1288     PageClient& m_pageClient;
1289     std::unique_ptr<API::LoaderClient> m_loaderClient;
1290     std::unique_ptr<API::PolicyClient> m_policyClient;
1291     std::unique_ptr<API::FormClient> m_formClient;
1292     std::unique_ptr<API::UIClient> m_uiClient;
1293 #if PLATFORM(EFL)
1294     WebUIPopupMenuClient m_uiPopupMenuClient;
1295 #endif
1296     std::unique_ptr<API::FindClient> m_findClient;
1297     WebFindMatchesClient m_findMatchesClient;
1298 #if ENABLE(CONTEXT_MENUS)
1299     WebPageContextMenuClient m_contextMenuClient;
1300 #endif
1301
1302     std::unique_ptr<DrawingAreaProxy> m_drawingArea;
1303 #if ENABLE(ASYNC_SCROLLING)
1304     std::unique_ptr<RemoteScrollingCoordinatorProxy> m_scrollingCoordinatorProxy;
1305 #endif
1306
1307     Ref<WebProcessProxy> m_process;
1308     Ref<WebPageGroup> m_pageGroup;
1309     Ref<WebPreferences> m_preferences;
1310     const RefPtr<WebUserContentControllerProxy> m_userContentController;
1311     Ref<VisitedLinkProvider> m_visitedLinkProvider;
1312
1313     RefPtr<WebFrameProxy> m_mainFrame;
1314     RefPtr<WebFrameProxy> m_focusedFrame;
1315     RefPtr<WebFrameProxy> m_frameSetLargestFrame;
1316
1317     String m_userAgent;
1318     String m_applicationNameForUserAgent;
1319     String m_customUserAgent;
1320     String m_customTextEncodingName;
1321
1322 #if ENABLE(INSPECTOR)
1323     RefPtr<WebInspectorProxy> m_inspector;
1324 #endif
1325
1326 #if ENABLE(FULLSCREEN_API)
1327     RefPtr<WebFullScreenManagerProxy> m_fullScreenManager;
1328 #endif
1329 #if PLATFORM(IOS)
1330     RefPtr<WebVideoFullscreenManagerProxy> m_videoFullscreenManager;
1331     VisibleContentRectUpdateInfo m_lastVisibleContentRectUpdate;
1332     int32_t m_deviceOrientation;
1333     bool m_dynamicViewportSizeUpdateWaitingForTarget;
1334     bool m_dynamicViewportSizeUpdateWaitingForLayerTreeCommit;
1335     uint64_t m_dynamicViewportSizeUpdateLayerTreeTransactionID;
1336 #endif
1337
1338 #if ENABLE(VIBRATION)
1339     RefPtr<WebVibrationProxy> m_vibration;
1340 #endif
1341
1342     CallbackMap m_callbacks;
1343     HashSet<uint64_t> m_loadDependentStringCallbackIDs;
1344
1345     HashSet<WebEditCommandProxy*> m_editCommandSet;
1346
1347 #if PLATFORM(COCOA)
1348     HashSet<String> m_knownKeypressCommandNames;
1349 #endif
1350
1351     RefPtr<WebPopupMenuProxy> m_activePopupMenu;
1352 #if ENABLE(CONTEXT_MENUS)
1353     RefPtr<WebContextMenuProxy> m_activeContextMenu;
1354     ContextMenuContextData m_activeContextMenuContextData;
1355 #endif
1356     RefPtr<WebOpenPanelResultListenerProxy> m_openPanelResultListener;
1357     GeolocationPermissionRequestManagerProxy m_geolocationPermissionRequestManager;
1358     NotificationPermissionRequestManagerProxy m_notificationPermissionRequestManager;
1359
1360     WebCore::ViewState::Flags m_viewState;
1361     bool m_viewWasEverInWindow;
1362
1363 #if PLATFORM(IOS)
1364     std::unique_ptr<ProcessThrottler::ForegroundActivityToken> m_activityToken;
1365 #endif
1366
1367     Ref<WebBackForwardList> m_backForwardList;
1368
1369     bool m_maintainsInactiveSelection;
1370
1371     String m_toolTip;
1372
1373     String m_urlAtProcessExit;
1374     FrameLoadState::State m_loadStateAtProcessExit;
1375
1376     EditorState m_editorState;
1377 #if PLATFORM(MAC) && !USE(ASYNC_NSTEXTINPUTCLIENT)
1378     bool m_temporarilyClosedComposition; // Editor state changed from hasComposition to !hasComposition, but that was only with shouldIgnoreCompositionSelectionChange yet.
1379 #endif
1380
1381     double m_textZoomFactor;
1382     double m_pageZoomFactor;
1383     double m_pageScaleFactor;
1384     float m_intrinsicDeviceScaleFactor;
1385     float m_customDeviceScaleFactor;
1386     float m_topContentInset;
1387
1388     LayerHostingMode m_layerHostingMode;
1389
1390     bool m_drawsBackground;
1391     bool m_drawsTransparentBackground;
1392
1393     WebCore::Color m_underlayColor;
1394     WebCore::Color m_pageExtendedBackgroundColor;
1395
1396     bool m_useFixedLayout;
1397     WebCore::IntSize m_fixedLayoutSize;
1398
1399     bool m_suppressScrollbarAnimations;
1400
1401     WebCore::Pagination::Mode m_paginationMode;
1402     bool m_paginationBehavesLikeColumns;
1403     double m_pageLength;
1404     double m_gapBetweenPages;
1405
1406     // If the process backing the web page is alive and kicking.
1407     bool m_isValid;
1408
1409     // Whether WebPageProxy::close() has been called on this page.
1410     bool m_isClosed;
1411
1412     // Whether it can run modal child web pages.
1413     bool m_canRunModal;
1414
1415     bool m_isInPrintingMode;
1416     bool m_isPerformingDOMPrintOperation;
1417
1418     bool m_inDecidePolicyForResponseSync;
1419     const WebCore::ResourceRequest* m_decidePolicyForResponseRequest;
1420     bool m_syncMimeTypePolicyActionIsValid;
1421     WebCore::PolicyAction m_syncMimeTypePolicyAction;
1422     uint64_t m_syncMimeTypePolicyDownloadID;
1423
1424     bool m_inDecidePolicyForNavigationAction;
1425     bool m_syncNavigationActionPolicyActionIsValid;
1426     WebCore::PolicyAction m_syncNavigationActionPolicyAction;
1427     uint64_t m_syncNavigationActionPolicyDownloadID;
1428
1429     Deque<NativeWebKeyboardEvent> m_keyEventQueue;
1430     Deque<NativeWebWheelEvent> m_wheelEventQueue;
1431     Deque<std::unique_ptr<Vector<NativeWebWheelEvent>>> m_currentlyProcessedWheelEvents;
1432
1433     bool m_processingMouseMoveEvent;
1434     std::unique_ptr<NativeWebMouseEvent> m_nextMouseMoveEvent;
1435     std::unique_ptr<NativeWebMouseEvent> m_currentlyProcessedMouseDownEvent;
1436
1437 #if ENABLE(TOUCH_EVENTS)
1438     bool m_isTrackingTouchEvents;
1439 #endif
1440 #if ENABLE(TOUCH_EVENTS) && !ENABLE(IOS_TOUCH_EVENTS)
1441     Deque<QueuedTouchEvents> m_touchEventQueue;
1442 #endif
1443
1444 #if ENABLE(INPUT_TYPE_COLOR)
1445     RefPtr<WebColorPicker> m_colorPicker;
1446 #endif
1447
1448     const uint64_t m_pageID;
1449     Ref<API::Session> m_session;
1450
1451     bool m_isPageSuspended;
1452     bool m_addsVisitedLinks;
1453
1454 #if ENABLE(REMOTE_INSPECTOR)
1455     bool m_allowsRemoteInspection;
1456 #endif
1457
1458 #if PLATFORM(COCOA)
1459     bool m_isSmartInsertDeleteEnabled;
1460 #endif
1461
1462 #if PLATFORM(GTK)
1463     String m_accessibilityPlugID;
1464 #endif
1465
1466     int64_t m_spellDocumentTag;
1467     bool m_hasSpellDocumentTag;
1468     unsigned m_pendingLearnOrIgnoreWordMessageCount;
1469
1470     bool m_mainFrameHasCustomContentProvider;
1471
1472 #if ENABLE(DRAG_SUPPORT)
1473     // Current drag destination details are delivered as an asynchronous response,
1474     // so we preserve them to be used when the next dragging delegate call is made.
1475     WebCore::DragOperation m_currentDragOperation;
1476     bool m_currentDragIsOverFileInput;
1477     unsigned m_currentDragNumberOfFilesToBeAccepted;
1478 #endif
1479
1480     PageLoadState m_pageLoadState;
1481
1482     bool m_delegatesScrolling;
1483
1484     bool m_mainFrameHasHorizontalScrollbar;
1485     bool m_mainFrameHasVerticalScrollbar;
1486
1487     // Whether horizontal wheel events can be handled directly for swiping purposes.
1488     bool m_canShortCircuitHorizontalWheelEvents;
1489
1490     bool m_mainFrameIsPinnedToLeftSide;
1491     bool m_mainFrameIsPinnedToRightSide;
1492     bool m_mainFrameIsPinnedToTopSide;
1493     bool m_mainFrameIsPinnedToBottomSide;
1494
1495     bool m_shouldUseImplicitRubberBandControl;
1496     bool m_rubberBandsAtLeft;
1497     bool m_rubberBandsAtRight;
1498     bool m_rubberBandsAtTop;
1499     bool m_rubberBandsAtBottom;
1500
1501     bool m_enableVerticalRubberBanding;
1502     bool m_enableHorizontalRubberBanding;
1503
1504     bool m_backgroundExtendsBeyondPage;
1505
1506     bool m_shouldRecordNavigationSnapshots;
1507     bool m_isShowingNavigationGestureSnapshot;
1508
1509     unsigned m_pageCount;
1510
1511     WebCore::IntRect m_visibleScrollerThumbRect;
1512
1513     uint64_t m_renderTreeSize;
1514
1515     bool m_shouldSendEventsSynchronously;
1516
1517     bool m_suppressVisibilityUpdates;
1518     bool m_autoSizingShouldExpandToViewHeight;
1519     WebCore::IntSize m_minimumLayoutSize;
1520
1521     float m_mediaVolume;
1522     bool m_mayStartMediaWhenInWindow;
1523
1524     bool m_waitingForDidUpdateViewState;
1525
1526 #if PLATFORM(COCOA)
1527     HashMap<String, String> m_temporaryPDFFiles;
1528     std::unique_ptr<WebCore::RunLoopObserver> m_viewStateChangeDispatcher;
1529 #endif
1530
1531     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1532
1533     uint64_t m_navigationID;
1534
1535     WebPreferencesStore::ValueMap m_configurationPreferenceValues;
1536     WebCore::ViewState::Flags m_potentiallyChangedViewStateFlags;
1537     bool m_viewStateChangeWantsReply;
1538 };
1539
1540 } // namespace WebKit
1541
1542 #endif // WebPageProxy_h