Add EventHandlerRegistry

Source/core/dom/Document.cpp

 /*
  * 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, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 53 matching lines @@
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/DOMImplementation.h"
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/DocumentLifecycleNotifier.h"
 #include "core/dom/DocumentLifecycleObserver.h"
 #include "core/dom/DocumentMarkerController.h"
 #include "core/dom/DocumentType.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementDataCache.h"
 #include "core/dom/ElementTraversal.h"
+#include "core/dom/EventHandlerRegistry.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContextTask.h"
 #include "core/dom/MainThreadTaskRunner.h"
 #include "core/dom/MutationObserver.h"
 #include "core/dom/NodeChildRemovalTracker.h"
 #include "core/dom/NodeFilter.h"
 #include "core/dom/NodeIterator.h"
 #include "core/dom/NodeRareData.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/NodeRenderingTraversal.h"
@@ skipping 2001 matching lines @@
     m_renderView->setStyle(StyleResolver::styleForDocument(*this));
     view()->updateCompositingLayersAfterStyleChange();
 
     ContainerNode::attach(context);
 
     // FastTextAutosizer can't update render view info while the Document is detached, so update now in case anything changed.
     if (FastTextAutosizer* textAutosizer = fastTextAutosizer())
         textAutosizer->updatePageInfo();
 
     m_lifecycle.advanceTo(DocumentLifecycle::StyleClean);
+    lifecycleNotifier().notifyDocumentWasAttached();
 }
 
 void Document::detach(const AttachContext& context)
 {
     ASSERT(isActive());
     m_lifecycle.advanceTo(DocumentLifecycle::Stopping);
+    lifecycleNotifier().notifyWillDetachDocument();

[abarth-chromium, 2014/04/10 21:25:58]

Typically folks who want this notification implement the ActiveDOMObject
interface and listen for stop()

[Sami, 2014/04/11 16:46:53]

Thanks for the hint. That looks perfect.

 
     if (page())
         page()->documentDetached(this);
     InspectorInstrumentation::documentDetached(this);
 
     if (m_frame->loader().client()->sharedWorkerRepositoryClient())
         m_frame->loader().client()->sharedWorkerRepositoryClient()->documentDetached(this);
 
     if (this == topDocument())
         clearAXObjectCache();
@@ skipping 33 matching lines @@
     m_activeHoverElement = nullptr;
     m_autofocusElement = nullptr;
 
     ContainerNode::detach(context);
 
     m_styleEngine->didDetach();
 
     if (renderView)
         renderView->destroy();
 
-    if (Document* parentDoc = parentDocument())
-        parentDoc->didClearTouchEventHandlers(this);
-
     // This is required, as our LocalFrame might delete itself as soon as it detaches
     // us. However, this violates Node::detach() semantics, as it's never
     // possible to re-attach. Eventually Document::detach() should be renamed,
     // or this setting of the frame to 0 could be made explicit in each of the
     // callers of Document::detach().
     m_frame = 0;
 
     if (m_mediaQueryMatcher)
         m_mediaQueryMatcher->documentDestroyed();
 
@@ skipping 2850 matching lines @@
     // and implement them here. See https://bugs.webkit.org/show_bug.cgi?id=47819
     LocalFrame* frame = window ? window->frame() : this->frame();
     return Touch::create(frame, target, identifier, screenX, screenY, pageX, pageY, radiusX, radiusY, rotationAngle, force);
 }
 
 PassRefPtrWillBeRawPtr<TouchList> Document::createTouchList(WillBeHeapVector<RefPtrWillBeMember<Touch> >& touches) const
 {
     return TouchList::create(touches);
 }
 
-void Document::didAddTouchEventHandler(Node* handler)
-{
-    // The node should either be in this document, or be the Document node of a child
-    // of this document.
-    ASSERT(&handler->document() == this
-        || (handler->isDocumentNode() && toDocument(handler)->parentDocument() == this));
-    if (!m_touchEventTargets.get())
-        m_touchEventTargets = adoptPtr(new TouchEventTargetSet);
-    bool isFirstHandler = m_touchEventTargets->isEmpty();
-
-    if (!m_touchEventTargets->add(handler).isNewEntry) {
-        // Just incremented refcount, no real change.
-        // If this is a child document node, then the count should never go above 1.
-        ASSERT(!handler->isDocumentNode() || &handler->document() == this);
-        return;
-    }
-
-    if (isFirstHandler) {
-        if (Document* parent = parentDocument()) {
-            parent->didAddTouchEventHandler(this);
-        } else {
-            // This is the first touch handler on the whole page.
-            if (FrameHost* frameHost = this->frameHost())
-                frameHost->chrome().client().needTouchEvents(true);
-        }
-    }
-
-    // When we're all done with all frames, ensure touch hit rects are marked as dirty.
-    if (!handler->isDocumentNode() || handler == this) {
-        if (Page* page = this->page()) {
-            if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator())
-                scrollingCoordinator->touchEventTargetRectsDidChange();
-        }
-    }
-}
-
-void Document::didRemoveTouchEventHandler(Node* handler, bool clearAll)
-{
-    // Note that we can't assert that |handler| is in this document because it might be in
-    // the process of moving out of it.
-    ASSERT(clearAll || m_touchEventTargets->contains(handler));
-    if (!m_touchEventTargets.get())
-        return;
-
-    if (clearAll) {
-        if (!m_touchEventTargets->contains(handler))
-            return;
-        m_touchEventTargets->removeAll(handler);
-    } else {
-        if (!m_touchEventTargets->remove(handler))
-            // Just decremented refcount, no real update.
-            return;
-    }
-
-    if (m_touchEventTargets->isEmpty()) {
-        if (Document* parent = parentDocument()) {
-            // This was the last handler in this document, update the parent document too.
-            parent->didRemoveTouchEventHandler(this, clearAll);
-        } else {
-            // We just removed the last touch handler on the whole page.
-            if (FrameHost* frameHost = this->frameHost())
-                frameHost->chrome().client().needTouchEvents(false);
-        }
-    }
-
-    // When we're all done with all frames, ensure touch hit rects are marked as dirty.
-    if (!handler->isDocumentNode() || handler == this) {
-        if (Page* page = this->page()) {
-            if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator())
-                scrollingCoordinator->touchEventTargetRectsDidChange();
-        }
-    }
-}
-
 DocumentLoader* Document::loader() const
 {
     if (!m_frame)
         return 0;
 
     DocumentLoader* loader = m_frame->loader().documentLoader();
     if (!loader)
         return 0;
 
     if (m_frame->document() != this)
@@ skipping 410 matching lines @@
 }
 
 void Document::invalidateNodeListCaches(const QualifiedName* attrName)
 {
     HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
     for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
         (*it)->invalidateCache(attrName);
 }
 
 } // namespace WebCore