Revert 177812 "Migrate touch events to EventHandlerRegistry"

trunk/Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 158 matching lines @@
     InvalidateOnClassAttrChange,
     InvalidateOnIdNameAttrChange,
     InvalidateOnNameAttrChange,
     InvalidateOnForAttrChange,
     InvalidateForFormControls,
     InvalidateOnHRefAttrChange,
     InvalidateOnAnyAttrChange,
 };
 const int numNodeListInvalidationTypes = InvalidateOnAnyAttrChange + 1;
 
+typedef HashCountedSet<Node*> TouchEventTargetSet;
+
 enum DocumentClass {
     DefaultDocumentClass = 0,
     HTMLDocumentClass = 1,
     XHTMLDocumentClass = 1 << 1,
     ImageDocumentClass = 1 << 2,
     PluginDocumentClass = 1 << 3,
     MediaDocumentClass = 1 << 4,
     SVGDocumentClass = 1 << 5,
     XMLDocumentClass = 1 << 6,
 };
@@ skipping 742 matching lines @@
 
     int requestAnimationFrame(PassOwnPtr<RequestAnimationFrameCallback>);
     void cancelAnimationFrame(int id);
     void serviceScriptedAnimations(double monotonicAnimationStartTime);
 
     virtual EventTarget* errorEventTarget() OVERRIDE FINAL;
     virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) OVERRIDE FINAL;
 
     void initDNSPrefetch();
 
+    bool hasTouchEventHandlers() const { return (m_touchEventTargets.get()) ? m_touchEventTargets->size() : false; }
+
+    // Called when a single touch event handler has been added or removed for a node.
+    // The Node should always be in this Document, except for child Documents which report
+    // themselves to their parent exactly once if they have any touch handlers.
+    // Handlers added/removed from the LocalDOMWindow are reported as the Document.
+    void didAddTouchEventHandler(Node*);
+    void didRemoveTouchEventHandler(Node* handler) { didRemoveTouchEventHandler(handler, false); }
+
+    // Called whenever all touch event handlers have been removed for a node (such as when the
+    // node itself is being removed from the document).
+    void didClearTouchEventHandlers(Node* handler) { didRemoveTouchEventHandler(handler, true); }
+
+    const TouchEventTargetSet* touchEventTargets() const { return m_touchEventTargets.get(); }
+
     bool isInDocumentWrite() { return m_writeRecursionDepth > 0; }
 
     IntSize initialViewportSize() const;
 
     // There are currently two parallel autosizing implementations: TextAutosizer and FastTextAutosizer.
     // See http://tinyurl.com/chromium-fast-autosizer for more details.
     TextAutosizer* textAutosizer();
     FastTextAutosizer* fastTextAutosizer();
 
     PassRefPtrWillBeRawPtr<Element> createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionState&);
@@ skipping 177 matching lines @@
 
     void clearFocusedElementSoon();
     void clearFocusedElementTimerFired(Timer<Document>*);
 
     void processHttpEquivDefaultStyle(const AtomicString& content);
     void processHttpEquivRefresh(const AtomicString& content);
     void processHttpEquivSetCookie(const AtomicString& content);
     void processHttpEquivXFrameOptions(const AtomicString& content);
     void processHttpEquivContentSecurityPolicy(const AtomicString& equiv, const AtomicString& content);
 
+    void didRemoveTouchEventHandler(Node*, bool clearAll);
+
     bool haveStylesheetsLoaded() const;
 
     void setHoverNode(PassRefPtrWillBeRawPtr<Node>);
     Node* hoverNode() const { return m_hoverNode.get(); }
 
     typedef HashSet<OwnPtr<EventFactoryBase> > EventFactorySet;
     static EventFactorySet& eventFactories();
 
     DocumentLifecycle m_lifecycle;
 
@@ skipping 173 matching lines @@
     bool m_didSetReferrerPolicy;
     ReferrerPolicy m_referrerPolicy;
 
     bool m_directionSetOnDocumentElement;
     bool m_writingModeSetOnDocumentElement;
     DocumentTiming m_documentTiming;
     RefPtrWillBeMember<MediaQueryMatcher> m_mediaQueryMatcher;
     bool m_writeRecursionIsTooDeep;
     unsigned m_writeRecursionDepth;
 
+    OwnPtr<TouchEventTargetSet> m_touchEventTargets;
+
     RefPtrWillBeMember<ScriptedAnimationController> m_scriptedAnimationController;
     OwnPtr<MainThreadTaskRunner> m_taskRunner;
     OwnPtr<TextAutosizer> m_textAutosizer;
     OwnPtr<FastTextAutosizer> m_fastTextAutosizer;
 
     RefPtrWillBeMember<CustomElementRegistrationContext> m_registrationContext;
     RefPtrWillBeMember<CustomElementMicrotaskRunQueue> m_customElementMicrotaskRunQueue;
 
     void elementDataCacheClearTimerFired(Timer<Document>*);
     Timer<Document> m_elementDataCacheClearTimer;
@@ skipping 68 matching lines @@
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h