Rename NoEventDispatchAssertion to EventDispatchForbiddenScope and move it to platform/

Source/core/dom/ContainerNode.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 13 matching lines @@
 #include "core/dom/ContainerNode.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ChildFrameDisconnector.h"
 #include "core/dom/ChildListMutationScope.h"
 #include "core/dom/ClassCollection.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/FullscreenElementStack.h"
 #include "core/dom/NameNodeList.h"
-#include "core/dom/NoEventDispatchAssertion.h"
 #include "core/dom/NodeChildRemovalTracker.h"
 #include "core/dom/NodeRareData.h"
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/SelectorQuery.h"
 #include "core/dom/StaticNodeList.h"
 #include "core/dom/StyleEngine.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/MutationEvent.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLTagCollection.h"
 #include "core/html/RadioNodeList.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderText.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
+#include "platform/EventDispatchForbiddenScope.h"
 #include "platform/ScriptForbiddenScope.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 static void dispatchChildInsertionEvents(Node&);
 static void dispatchChildRemovalEvents(Node&);
 
 #if ENABLE(ASSERT)
-unsigned NoEventDispatchAssertion::s_count = 0;
+unsigned EventDispatchForbiddenScope::s_count = 0;
 #endif
 
 static void collectChildrenAndRemoveFromOldParent(Node& node, NodeVector& nodes, ExceptionState& exceptionState)
 {
     if (node.isDocumentFragment()) {
         DocumentFragment& fragment = toDocumentFragment(node);
         getChildNodes(fragment, nodes);
         fragment.removeChildren();
         return;
     }
@@ skipping 174 matching lines @@
         updateTreeAfterInsertion(child);
     }
 
     dispatchSubtreeModifiedEvent();
 
     return newChild;
 }
 
 void ContainerNode::insertBeforeCommon(Node& nextChild, Node& newChild)
 {
-    NoEventDispatchAssertion assertNoEventDispatch;
+    EventDispatchForbiddenScope assertNoEventDispatch;
     ScriptForbiddenScope forbidScript;
 
     ASSERT(!newChild.parentNode()); // Use insertBefore if you need to handle reparenting (and want DOM mutation events).
     ASSERT(!newChild.nextSibling());
     ASSERT(!newChild.previousSibling());
     ASSERT(!newChild.isShadowRoot());
 
     Node* prev = nextChild.previousSibling();
     ASSERT(m_lastChild != prev);
     nextChild.setPreviousSibling(&newChild);
@@ skipping 125 matching lines @@
         // In either of those cases, we'll just stop.
         if (next && next->parentNode() != this)
             break;
         if (child.parentNode())
             break;
 
         treeScope().adoptIfNeeded(child);
 
         // Add child before "next".
         {
-            NoEventDispatchAssertion assertNoEventDispatch;
+            EventDispatchForbiddenScope assertNoEventDispatch;
             if (next)
                 insertBeforeCommon(*next, child);
             else
                 appendChildCommon(child);
         }
 
         updateTreeAfterInsertion(child);
     }
 
     dispatchSubtreeModifiedEvent();
@@ skipping 154 matching lines @@
         removeBetween(prev, next, *child);
         notifyNodeRemoved(*child);
         childrenChanged(ChildrenChange::forRemoval(*child, prev, next, ChildrenChangeSourceAPI));
     }
     dispatchSubtreeModifiedEvent();
     return child;
 }
 
 void ContainerNode::removeBetween(Node* previousChild, Node* nextChild, Node& oldChild)
 {
-    NoEventDispatchAssertion assertNoEventDispatch;
+    EventDispatchForbiddenScope assertNoEventDispatch;
 
     ASSERT(oldChild.parentNode() == this);
 
     if (!oldChild.needsAttach())
         oldChild.detach();
 
     if (nextChild)
         nextChild->setPreviousSibling(previousChild);
     if (previousChild)
         previousChild->setNextSibling(nextChild);
@@ skipping 63 matching lines @@
     // FIXME: Remove this NodeVector. Right now WebPluginContainerImpl::m_element is a
     // raw ptr which means the code below can drop the last ref to a plugin element and
     // then the code in UpdateSuspendScope::performDeferredWidgetTreeOperations will
     // try to destroy the plugin which will be a use-after-free. We should use a RefPtr
     // in the WebPluginContainerImpl instead.
     NodeVector removedChildren;
     {
         HTMLFrameOwnerElement::UpdateSuspendScope suspendWidgetHierarchyUpdates;
 
         {
-            NoEventDispatchAssertion assertNoEventDispatch;
+            EventDispatchForbiddenScope assertNoEventDispatch;
             ScriptForbiddenScope forbidScript;
 
             removedChildren.reserveInitialCapacity(countChildren());
 
             while (RefPtrWillBeRawPtr<Node> child = m_firstChild) {
                 removeBetween(0, child->nextSibling(), *child);
                 removedChildren.append(child.get());
                 notifyNodeRemoved(*child);
             }
         }
@@ skipping 49 matching lines @@
         ASSERT(*it);
         Node& child = **it;
 
         // If the child has a parent again, just stop what we're doing, because
         // that means someone is doing something with DOM mutation -- can't re-parent
         // a child that already has a parent.
         if (child.parentNode())
             break;
 
         {
-            NoEventDispatchAssertion assertNoEventDispatch;
+            EventDispatchForbiddenScope assertNoEventDispatch;
             ScriptForbiddenScope forbidScript;
 
             treeScope().adoptIfNeeded(child);
             appendChildCommon(child);
         }
 
         updateTreeAfterInsertion(child);
     }
 
     dispatchSubtreeModifiedEvent();
     return newChild;
 }
 
 void ContainerNode::parserAppendChild(PassRefPtrWillBeRawPtr<Node> newChild)
 {
     ASSERT(newChild);
     ASSERT(!newChild->parentNode()); // Use appendChild if you need to handle reparenting (and want DOM mutation events).
     ASSERT(!newChild->isDocumentFragment());
     ASSERT(!isHTMLTemplateElement(this));
 
     RefPtrWillBeRawPtr<Node> protect(this);
 
     if (document() != newChild->document())
         document().adoptNode(newChild.get(), ASSERT_NO_EXCEPTION);
 
     {
-        NoEventDispatchAssertion assertNoEventDispatch;
+        EventDispatchForbiddenScope assertNoEventDispatch;
         ScriptForbiddenScope forbidScript;
 
         treeScope().adoptIfNeeded(*newChild);
         appendChildCommon(*newChild);
         newChild->updateAncestorConnectedSubframeCountForInsertion();
         ChildListMutationScope(*this).childAdded(*newChild);
     }
 
     notifyNodeInserted(*newChild, ChildrenChangeSourceParser);
 }
 
 void ContainerNode::notifyNodeInserted(Node& root, ChildrenChangeSource source)
 {
-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
+    ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
     ASSERT(!root.isShadowRoot());
 
     InspectorInstrumentation::didInsertDOMNode(&root);
 
     RefPtrWillBeRawPtr<Node> protect(this);
     RefPtrWillBeRawPtr<Node> protectNode(root);
 
     NodeVector postInsertionNotificationTargets;
     notifyNodeInsertedInternal(root, postInsertionNotificationTargets);
 
     childrenChanged(ChildrenChange::forInsertion(root, source));
 
     for (size_t i = 0; i < postInsertionNotificationTargets.size(); ++i) {
         Node* targetNode = postInsertionNotificationTargets[i].get();
         if (targetNode->inDocument())
             targetNode->didNotifySubtreeInsertionsToDocument();
     }
 }
 
 void ContainerNode::notifyNodeInsertedInternal(Node& root, NodeVector& postInsertionNotificationTargets)
 {
-    NoEventDispatchAssertion assertNoEventDispatch;
+    EventDispatchForbiddenScope assertNoEventDispatch;
     ScriptForbiddenScope forbidScript;
 
     for (Node* node = &root; node; node = NodeTraversal::next(*node, &root)) {
         // As an optimization we don't notify leaf nodes when when inserting
         // into detached subtrees.
         if (!inDocument() && !node->isContainerNode())
             continue;
         if (Node::InsertionShouldCallDidNotifySubtreeInsertions == node->insertedInto(this))
             postInsertionNotificationTargets.append(node);
         for (ShadowRoot* shadowRoot = node->youngestShadowRoot(); shadowRoot; shadowRoot = shadowRoot->olderShadowRoot())
             notifyNodeInsertedInternal(*shadowRoot, postInsertionNotificationTargets);
     }
 }
 
 void ContainerNode::notifyNodeRemoved(Node& root)
 {
     ScriptForbiddenScope forbidScript;
-    NoEventDispatchAssertion assertNoEventDispatch;
+    EventDispatchForbiddenScope assertNoEventDispatch;
 
     Document& document = root.document();
     for (Node* node = &root; node; node = NodeTraversal::next(*node, &root)) {
         // As an optimization we skip notifying Text nodes and other leaf nodes
         // of removal when they're not in the Document tree since the virtual
         // call to removedFrom is not needed.
         if (!node->inDocument() && !node->isContainerNode())
             continue;
         if (document.cssTarget() == node)
             document.setCSSTarget(nullptr);
@@ skipping 302 matching lines @@
         return nullptr;
 
     return selectorQuery->queryAll(*this);
 }
 
 static void dispatchChildInsertionEvents(Node& child)
 {
     if (child.isInShadowTree())
         return;
 
-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
+    ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
 
     RefPtrWillBeRawPtr<Node> c(child);
     RefPtrWillBeRawPtr<Document> document(child.document());
 
     if (c->parentNode() && document->hasListenerType(Document::DOMNODEINSERTED_LISTENER))
         c->dispatchScopedEvent(MutationEvent::create(EventTypeNames::DOMNodeInserted, true, c->parentNode()));
 
     // dispatch the DOMNodeInsertedIntoDocument event to all descendants
     if (c->inDocument() && document->hasListenerType(Document::DOMNODEINSERTEDINTODOCUMENT_LISTENER)) {
         for (; c; c = NodeTraversal::next(*c, &child))
             c->dispatchScopedEvent(MutationEvent::create(EventTypeNames::DOMNodeInsertedIntoDocument, false));
     }
 }
 
 static void dispatchChildRemovalEvents(Node& child)
 {
     if (child.isInShadowTree()) {
         InspectorInstrumentation::willRemoveDOMNode(&child);
         return;
     }
 
-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
+    ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
 
     InspectorInstrumentation::willRemoveDOMNode(&child);
 
     RefPtrWillBeRawPtr<Node> c(child);
     RefPtrWillBeRawPtr<Document> document(child.document());
 
     // dispatch pre-removal mutation events
     if (c->parentNode() && document->hasListenerType(Document::DOMNODEREMOVED_LISTENER)) {
         NodeChildRemovalTracker scope(child);
         c->dispatchScopedEvent(MutationEvent::create(EventTypeNames::DOMNodeRemoved, true, c->parentNode()));
@@ skipping 242 matching lines @@
         return true;
 
     if (node->isElementNode() && toElement(node)->shadow())
         return true;
 
     return false;
 }
 #endif
 
 } // namespace blink