* 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, 2010, 2011 Apple Inc. All rights reserved.
+ * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
#ifndef Node_h
#define Node_h
-#include "bindings/v8/ExceptionStatePlaceholder.h"
-#include "bindings/v8/ScriptWrappable.h"
+#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/MutationObserver.h"
#include "core/dom/SimulatedClickOptions.h"
#include "core/dom/TreeScope.h"
#include "core/inspector/InspectorCounters.h"
#include "core/rendering/style/RenderStyleConstants.h"
#include "platform/geometry/LayoutRect.h"
-#include "weborigin/KURLHash.h"
+#include "platform/heap/Handle.h"
+#include "platform/weborigin/KURLHash.h"
#include "wtf/Forward.h"
-#include "wtf/ListHashSet.h"
-#include "wtf/text/AtomicString.h"
// This needs to be here because Document.h also depends on it.
#define DUMP_NODE_STATISTICS 0
-namespace WebCore {
+namespace blink {
class Attribute;
-class ClassNodeList;
+class ClassCollection;
class ContainerNode;
class DOMSettableTokenList;
class Document;
class Element;
class Event;
-class EventContext;
class EventDispatchMediator;
class EventListener;
class ExceptionState;
class FloatPoint;
-class Frame;
+class LocalFrame;
class HTMLInputElement;
+class HTMLQualifiedName;
class IntRect;
class KeyboardEvent;
class NSResolver;
-class NamedNodeMap;
class NameNodeList;
+class NamedNodeMap;
+class NodeEventContext;
class NodeList;
class NodeListsNodeData;
class NodeRareData;
-class NodeRenderingContext;
class PlatformGestureEvent;
class PlatformKeyboardEvent;
class PlatformMouseEvent;
class RenderBoxModelObject;
class RenderObject;
class RenderStyle;
+class SVGQualifiedName;
class ShadowRoot;
-class TagNodeList;
+template <typename NodeType> class StaticNodeTypeList;
+typedef StaticNodeTypeList<Node> StaticNodeList;
+class TagCollection;
+class Text;
class TouchEvent;
+class WeakNodeMap;
-const int nodeStyleChangeShift = 14;
+const int nodeStyleChangeShift = 19;
enum StyleChangeType {
NoStyleChange = 0,
NeedsReattachStyleChange = 3 << nodeStyleChangeShift,
};
-// If the style change is from the renderer then we'll call setStyle on the
-// renderer even if the style computed from CSS is identical.
-enum StyleChangeSource {
- StyleChangeFromCSS,
- StyleChangeFromRenderer
-};
-
class NodeRareDataBase {
public:
RenderObject* renderer() const { return m_renderer; }
: m_renderer(renderer)
{ }
-private:
+protected:
+ // Oilpan: This member is traced in NodeRareData.
+ // FIXME: Can we add traceAfterDispatch and finalizeGarbageCollectedObject
+ // to NodeRareDataBase, and make m_renderer Member<>?
RenderObject* m_renderer;
};
-class Node : public EventTarget, public ScriptWrappable, public TreeShared<Node> {
+#if ENABLE(OILPAN)
+#define NODE_BASE_CLASSES public GarbageCollectedFinalized<Node>, public EventTarget
+#else
+// TreeShared should be the last to pack TreeShared::m_refCount and
+// Node::m_nodeFlags on 64bit platforms.
+#define NODE_BASE_CLASSES public EventTarget, public TreeShared<Node>
+#endif
+
+class Node : NODE_BASE_CLASSES {
friend class Document;
friend class TreeScope;
friend class TreeScopeAdopter;
- DEFINE_EVENT_TARGET_REFCOUNTING(TreeShared<Node>);
+ DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(TreeShared<Node>);
+ WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Node);
public:
enum NodeType {
ELEMENT_NODE = 1,
ATTRIBUTE_NODE = 2,
TEXT_NODE = 3,
CDATA_SECTION_NODE = 4,
- ENTITY_NODE = 6,
PROCESSING_INSTRUCTION_NODE = 7,
COMMENT_NODE = 8,
DOCUMENT_NODE = 9,
DOCUMENT_TYPE_NODE = 10,
DOCUMENT_FRAGMENT_NODE = 11,
- NOTATION_NODE = 12,
- XPATH_NAMESPACE_NODE = 13,
};
- // EntityReference nodes are deprecated and impossible to create in WebKit.
- // We want Node.ENTITY_REFERNCE_NODE to exist in JS and this enum, makes the bindings
+ // Entity, EntityReference, Notation, and XPathNamespace nodes are impossible to create in Blink.
+ // But for compatibility reasons we want these enum values exist in JS, and this enum makes the bindings
// generation not complain about ENTITY_REFERENCE_NODE being missing from the implementation
// while not requiring all switch(NodeType) blocks to include this deprecated constant.
enum DeprecatedNodeType {
- ENTITY_REFERENCE_NODE = 5
+ ENTITY_REFERENCE_NODE = 5,
+ ENTITY_NODE = 6,
+ NOTATION_NODE = 12,
+ XPATH_NAMESPACE_NODE = 13,
};
enum DocumentPosition {
DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0x20,
};
+#if !ENABLE(OILPAN)
// All Nodes are placed in their own heap partition for security.
// See http://crbug.com/246860 for detail.
void* operator new(size_t);
void operator delete(void*);
+#endif
- static bool isSupported(const String& feature, const String& version);
static void dumpStatistics();
virtual ~Node();
// DOM methods & attributes for Node
- bool hasTagName(const QualifiedName&) const;
+ bool hasTagName(const HTMLQualifiedName&) const;
+ bool hasTagName(const SVGQualifiedName&) const;
virtual String nodeName() const = 0;
virtual String nodeValue() const;
virtual void setNodeValue(const String&);
virtual NodeType nodeType() const = 0;
ContainerNode* parentNode() const;
Element* parentElement() const;
+ ContainerNode* parentElementOrShadowRoot() const;
+ ContainerNode* parentElementOrDocumentFragment() const;
Node* previousSibling() const { return m_previous; }
Node* nextSibling() const { return m_next; }
- PassRefPtr<NodeList> childNodes();
+ PassRefPtrWillBeRawPtr<NodeList> childNodes();
Node* firstChild() const;
Node* lastChild() const;
- // ChildNode interface API
- Element* previousElementSibling() const;
- Element* nextElementSibling() const;
void remove(ExceptionState&);
Node* pseudoAwareNextSibling() const;
// These should all actually return a node, but this is only important for language bindings,
// which will already know and hold a ref on the right node to return.
- void insertBefore(PassRefPtr<Node> newChild, Node* refChild, ExceptionState& = ASSERT_NO_EXCEPTION);
- void replaceChild(PassRefPtr<Node> newChild, Node* oldChild, ExceptionState& = ASSERT_NO_EXCEPTION);
- void removeChild(Node* child, ExceptionState&);
- void appendChild(PassRefPtr<Node> newChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+ PassRefPtrWillBeRawPtr<Node> insertBefore(PassRefPtrWillBeRawPtr<Node> newChild, Node* refChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+ PassRefPtrWillBeRawPtr<Node> replaceChild(PassRefPtrWillBeRawPtr<Node> newChild, PassRefPtrWillBeRawPtr<Node> oldChild, ExceptionState& = ASSERT_NO_EXCEPTION);
+ PassRefPtrWillBeRawPtr<Node> removeChild(PassRefPtrWillBeRawPtr<Node> child, ExceptionState& = ASSERT_NO_EXCEPTION);
+ PassRefPtrWillBeRawPtr<Node> appendChild(PassRefPtrWillBeRawPtr<Node> newChild, ExceptionState& = ASSERT_NO_EXCEPTION);
- bool hasChildNodes() const { return firstChild(); }
- virtual PassRefPtr<Node> cloneNode(bool deep = false) = 0;
+ bool hasChildren() const { return firstChild(); }
+ virtual PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = false) = 0;
virtual const AtomicString& localName() const;
virtual const AtomicString& namespaceURI() const;
- virtual const AtomicString& prefix() const;
- virtual void setPrefix(const AtomicString&, ExceptionState&);
void normalize();
bool isSameNode(Node* other) const { return this == other; }
bool isEqualNode(Node*) const;
bool isDefaultNamespace(const AtomicString& namespaceURI) const;
- String lookupPrefix(const AtomicString& namespaceURI) const;
- String lookupNamespaceURI(const String& prefix) const;
- String lookupNamespacePrefix(const AtomicString& namespaceURI, const Element* originalElement) const;
+ const AtomicString& lookupPrefix(const AtomicString& namespaceURI) const;
+ const AtomicString& lookupNamespaceURI(const String& prefix) const;
String textContent(bool convertBRsToNewlines = false) const;
- void setTextContent(const String&, ExceptionState&);
-
- Node& lastDescendant() const;
+ void setTextContent(const String&);
// Other methods (not part of DOM)
bool isPseudoElement() const { return pseudoId() != NOPSEUDO; }
bool isBeforePseudoElement() const { return pseudoId() == BEFORE; }
bool isAfterPseudoElement() const { return pseudoId() == AFTER; }
- PseudoId pseudoId() const { return (isElementNode() && hasCustomStyleCallbacks()) ? customPseudoId() : NOPSEUDO; }
+ virtual PseudoId pseudoId() const { return NOPSEUDO; }
+ bool isCustomElement() const { return getFlag(CustomElementFlag); }
enum CustomElementState {
- NotCustomElement,
- WaitingForParser,
- WaitingForUpgrade,
- Upgraded
+ NotCustomElement = 0,
+ WaitingForUpgrade = 1 << 0,
+ Upgraded = 1 << 1
};
- bool isCustomElement() const { return customElementState() != NotCustomElement; }
- CustomElementState customElementState() const { return CustomElementState((getFlag(CustomElementWaitingForParserOrIsUpgraded) ? 1 : 0) | (getFlag(CustomElementWaitingForUpgradeOrIsUpgraded) ? 2 : 0)); }
+ CustomElementState customElementState() const
+ {
+ return isCustomElement()
+ ? (getFlag(CustomElementUpgradedFlag) ? Upgraded : WaitingForUpgrade)
+ : NotCustomElement;
+ }
void setCustomElementState(CustomElementState newState);
virtual bool isMediaControlElement() const { return false; }
virtual bool isMediaControls() const { return false; }
- virtual bool isWebVTTElement() const { return false; }
+ virtual bool isVTTElement() const { return false; }
virtual bool isAttributeNode() const { return false; }
virtual bool isCharacterDataNode() const { return false; }
virtual bool isFrameOwnerElement() const { return false; }
- virtual bool isPluginElement() const { return false; }
// StyledElements allow inline style (style="border: 1px"), presentational attributes (ex. color),
// class names (ex. class="foo bar") and other non-basic styling features. They and also control
// if this element can participate in style sharing.
//
// FIXME: The only things that ever go through StyleResolver that aren't StyledElements are
- // PseudoElements and WebVTTElements. It's possible we can just eliminate all the checks
+ // PseudoElements and VTTElements. It's possible we can just eliminate all the checks
// since those elements will never have class names, inline style, or other things that
// this apparently guards against.
bool isStyledElement() const { return isHTMLElement() || isSVGElement(); }
bool isDocumentNode() const;
- bool isTreeScope() const { return treeScope().rootNode() == this; }
+ bool isTreeScope() const;
bool isDocumentFragment() const { return getFlag(IsDocumentFragmentFlag); }
bool isShadowRoot() const { return isDocumentFragment() && isTreeScope(); }
bool isInsertionPoint() const { return getFlag(IsInsertionPointFlag); }
- bool inNamedFlow() const { return getFlag(InNamedFlowFlag); }
bool hasCustomStyleCallbacks() const { return getFlag(HasCustomStyleCallbacksFlag); }
- bool isRegisteredWithNamedFlow() const;
-
bool hasSyntheticAttrChildNodes() const { return getFlag(HasSyntheticAttrChildNodesFlag); }
void setHasSyntheticAttrChildNodes(bool flag) { setFlag(flag, HasSyntheticAttrChildNodesFlag); }
// If this node is in a shadow tree, returns its shadow host. Otherwise, returns 0.
Element* shadowHost() const;
- // If this node is in a shadow tree, returns its shadow host. Otherwise, returns this.
- // Deprecated. Should use shadowHost() and check the return value.
- Node* deprecatedShadowAncestorNode() const;
ShadowRoot* containingShadowRoot() const;
ShadowRoot* youngestShadowRoot() const;
ContainerNode* parentOrShadowHostNode() const;
Element* parentOrShadowHostElement() const;
void setParentOrShadowHostNode(ContainerNode*);
- Node* highestAncestor() const;
- // Use when it's guaranteed to that shadowHost is 0.
- ContainerNode* parentNodeGuaranteedHostFree() const;
+ // Knows about all kinds of hosts.
+ ContainerNode* parentOrShadowHostOrTemplateHostNode() const;
+
// Returns the parent node, but 0 if the parent node is a ShadowRoot.
ContainerNode* nonShadowBoundaryParentNode() const;
bool selfOrAncestorHasDirAutoAttribute() const { return getFlag(SelfOrAncestorHasDirAutoFlag); }
void setSelfOrAncestorHasDirAutoAttribute(bool flag) { setFlag(flag, SelfOrAncestorHasDirAutoFlag); }
- // Returns the enclosing event parent node (or self) that, when clicked, would trigger a navigation.
- Node* enclosingLinkEventParentOrSelf();
-
- bool isBlockFlowElement() const;
+ // Returns the enclosing event parent Element (or self) that, when clicked, would trigger a navigation.
+ Element* enclosingLinkEventParentOrSelf();
// These low-level calls give the caller responsibility for maintaining the integrity of the tree.
void setPreviousSibling(Node* previous) { m_previous = previous; }
// out of the Node class into an editing-specific source file.
Node* previousLeafNode() const;
- // enclosingBlockFlowElement() is deprecated. Use enclosingBlock instead.
- Element* enclosingBlockFlowElement() const;
-
bool isRootEditableElement() const;
Element* rootEditableElement() const;
Element* rootEditableElement(EditableType) const;
- bool inSameContainingBlockFlowElement(Node*);
-
- // Called by the parser when this element's close tag is reached,
- // signaling that all child tags have been parsed and added.
- // This is needed for <applet> and <object> elements, which can't lay themselves out
- // until they know all of their nested <param>s. [Radar 3603191, 4040848].
- // Also used for script elements and some SVG elements for similar purposes,
- // but making parsing a special case in this respect should be avoided if possible.
- virtual void finishParsingChildren() { }
- virtual void beginParsingChildren() { }
-
// For <link> and <style> elements.
virtual bool sheetLoaded() { return true; }
virtual void notifyLoadedSheetAndAllCriticalSubresources(bool /* error loading subresource */) { }
virtual void startLoadingDynamicSheet() { ASSERT_NOT_REACHED(); }
bool hasName() const { return !isTextNode() && getFlag(HasNameOrIsEditingTextFlag); }
- bool hasID() const;
- bool hasClass() const;
- bool isUserActionElement() const { return getFlag(IsUserActionElement); }
- void setUserActionElement(bool flag) { setFlag(flag, IsUserActionElement); }
+ bool isUserActionElement() const { return getFlag(IsUserActionElementFlag); }
+ void setUserActionElement(bool flag) { setFlag(flag, IsUserActionElementFlag); }
bool active() const { return isUserActionElement() && isUserActionElementActive(); }
bool inActiveChain() const { return isUserActionElement() && isUserActionElementInActiveChain(); }
bool hovered() const { return isUserActionElement() && isUserActionElementHovered(); }
bool focused() const { return isUserActionElement() && isUserActionElementFocused(); }
- // FIXME: Don't let InsertionPoints attach out of order and remove
- // childAttachedAllowedWhenAttachingChildren and child->needsAttach() checks.
- bool needsAttach() const { return !getFlag(IsAttachedFlag) || styleChangeType() == NeedsReattachStyleChange; }
- bool confusingAndOftenMisusedAttached() const { return getFlag(IsAttachedFlag); }
- void setAttached() { setFlag(IsAttachedFlag); }
+ bool needsAttach() const { return styleChangeType() == NeedsReattachStyleChange; }
bool needsStyleRecalc() const { return styleChangeType() != NoStyleChange; }
StyleChangeType styleChangeType() const { return static_cast<StyleChangeType>(m_nodeFlags & StyleChangeMask); }
bool childNeedsStyleRecalc() const { return getFlag(ChildNeedsStyleRecalcFlag); }
void setChildNeedsStyleRecalc() { setFlag(ChildNeedsStyleRecalcFlag); }
void clearChildNeedsStyleRecalc() { clearFlag(ChildNeedsStyleRecalcFlag); }
- void setNeedsStyleRecalc(StyleChangeType = SubtreeStyleChange, StyleChangeSource = StyleChangeFromCSS);
- void clearNeedsStyleRecalc()
- {
- m_nodeFlags &= ~StyleChangeMask;
- clearFlag(NotifyRendererWithIdenticalStyles);
- }
+ void setNeedsStyleRecalc(StyleChangeType);
+ void clearNeedsStyleRecalc();
- bool childNeedsDistributionRecalc() const { return getFlag(ChildNeedsDistributionRecalc); }
- void setChildNeedsDistributionRecalc() { setFlag(ChildNeedsDistributionRecalc); }
- void clearChildNeedsDistributionRecalc() { clearFlag(ChildNeedsDistributionRecalc); }
+ bool childNeedsDistributionRecalc() const { return getFlag(ChildNeedsDistributionRecalcFlag); }
+ void setChildNeedsDistributionRecalc() { setFlag(ChildNeedsDistributionRecalcFlag); }
+ void clearChildNeedsDistributionRecalc() { clearFlag(ChildNeedsDistributionRecalcFlag); }
void markAncestorsWithChildNeedsDistributionRecalc();
+ bool childNeedsStyleInvalidation() const { return getFlag(ChildNeedsStyleInvalidationFlag); }
+ void setChildNeedsStyleInvalidation() { setFlag(ChildNeedsStyleInvalidationFlag); }
+ void clearChildNeedsStyleInvalidation() { clearFlag(ChildNeedsStyleInvalidationFlag); }
+ void markAncestorsWithChildNeedsStyleInvalidation();
+ bool needsStyleInvalidation() const { return getFlag(NeedsStyleInvalidationFlag); }
+ void clearNeedsStyleInvalidation() { clearFlag(NeedsStyleInvalidationFlag); }
+ void setNeedsStyleInvalidation();
+
void recalcDistribution();
- bool shouldNotifyRendererWithIdenticalStyles() const { return getFlag(NotifyRendererWithIdenticalStyles); }
+ bool svgFilterNeedsLayerUpdate() const { return getFlag(SVGFilterNeedsLayerUpdateFlag); }
+ void setSVGFilterNeedsLayerUpdate() { setFlag(SVGFilterNeedsLayerUpdateFlag); }
+ void clearSVGFilterNeedsLayerUpdate() { clearFlag(SVGFilterNeedsLayerUpdateFlag); }
void setIsLink(bool f);
- void setInNamedFlow() { setFlag(InNamedFlowFlag); }
- void clearInNamedFlow() { clearFlag(InNamedFlowFlag); }
-
- bool hasScopedHTMLStyleChild() const { return getFlag(HasScopedHTMLStyleChildFlag); }
- void setHasScopedHTMLStyleChild(bool flag) { setFlag(flag, HasScopedHTMLStyleChildFlag); }
-
bool hasEventTargetData() const { return getFlag(HasEventTargetDataFlag); }
void setHasEventTargetData(bool flag) { setFlag(flag, HasEventTargetDataFlag); }
bool isV8CollectableDuringMinorGC() const { return getFlag(V8CollectableDuringMinorGCFlag); }
- void setV8CollectableDuringMinorGC(bool flag) { setFlag(flag, V8CollectableDuringMinorGCFlag); }
-
- void lazyAttach();
+ void markV8CollectableDuringMinorGC() { setFlag(true, V8CollectableDuringMinorGCFlag); }
+ void clearV8CollectableDuringMinorGC() { setFlag(false, V8CollectableDuringMinorGCFlag); }
virtual void setFocus(bool flag);
- virtual void setActive(bool flag = true, bool pause = false);
+ virtual void setActive(bool flag = true);
virtual void setHovered(bool flag = true);
virtual short tabIndex() const;
bool isContentEditable(UserSelectAllTreatment = UserSelectAllDoesNotAffectEditability);
bool isContentRichlyEditable();
- bool rendererIsEditable(EditableType editableType = ContentIsEditable, UserSelectAllTreatment treatment = UserSelectAllIsAlwaysNonEditable) const
+ bool hasEditableStyle(EditableType editableType = ContentIsEditable, UserSelectAllTreatment treatment = UserSelectAllIsAlwaysNonEditable) const
{
switch (editableType) {
case ContentIsEditable:
- return rendererIsEditable(Editable, treatment);
+ return hasEditableStyle(Editable, treatment);
case HasEditableAXRole:
return isEditableToAccessibility(Editable);
}
{
switch (editableType) {
case ContentIsEditable:
- return rendererIsEditable(RichlyEditable, UserSelectAllIsAlwaysNonEditable);
+ return hasEditableStyle(RichlyEditable, UserSelectAllIsAlwaysNonEditable);
case HasEditableAXRole:
return isEditableToAccessibility(RichlyEditable);
}
return false;
}
- virtual bool shouldUseInputMethod();
virtual LayoutRect boundingBox() const;
IntRect pixelSnappedBoundingBox() const { return pixelSnappedIntRect(boundingBox()); }
- LayoutRect renderRect(bool* isReplaced);
- IntRect pixelSnappedRenderRect(bool* isReplaced) { return pixelSnappedIntRect(renderRect(isReplaced)); }
// Returns true if the node has a non-empty bounding box in layout.
// This does not 100% guarantee the user can see it, but is pretty close.
// Returns the document associated with this node. A Document node returns itself.
Document& document() const
{
- ASSERT(this);
- ASSERT(documentInternal());
- return *documentInternal();
+ return treeScope().document();
}
- TreeScope& treeScope() const { return *m_treeScope; }
+ TreeScope& treeScope() const
+ {
+ ASSERT(m_treeScope);
+ return *m_treeScope;
+ }
bool inActiveDocument() const;
// node tree, false otherwise.
bool inDocument() const
{
- ASSERT(documentInternal() || !getFlag(InDocumentFlag));
return getFlag(InDocumentFlag);
}
bool isInShadowTree() const { return getFlag(IsInShadowTreeFlag); }
bool isDocumentTypeNode() const { return nodeType() == DOCUMENT_TYPE_NODE; }
virtual bool childTypeAllowed(NodeType) const { return false; }
- unsigned childNodeCount() const;
- Node* childNode(unsigned index) const;
+ unsigned countChildren() const;
- void checkSetPrefix(const AtomicString& prefix, ExceptionState&);
bool isDescendantOf(const Node*) const;
bool contains(const Node*) const;
bool containsIncludingShadowDOM(const Node*) const;
bool containsIncludingHostElements(const Node&) const;
-
- // FIXME: Remove this when crbug.com/265716 cleans up contains semantics.
- bool bindingsContains(const Node* node) const { return containsIncludingShadowDOM(node); }
+ Node* commonAncestor(const Node&, Node* (*parent)(const Node&));
// Used to determine whether range offsets use characters or node indices.
virtual bool offsetInCharacters() const;
// Integration with rendering tree
// As renderer() includes a branch you should avoid calling it repeatedly in hot code paths.
+ // Note that if a Node has a renderer, it's parentNode is guaranteed to have one as well.
RenderObject* renderer() const { return hasRareData() ? m_data.m_rareData->renderer() : m_data.m_renderer; };
void setRenderer(RenderObject* renderer)
{
// the node's rendering object from the rendering tree and delete it.
virtual void detach(const AttachContext& = AttachContext());
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
bool inDetach() const;
#endif
void reattach(const AttachContext& = AttachContext());
void lazyReattachIfAttached();
+ // Returns true if recalcStyle should be called on the object, if there is such a method (on Document and Element).
+ bool shouldCallRecalcStyle(StyleRecalcChange);
+
// Wrapper for nodes that don't have a renderer, but still cache the style (like HTMLOptionElement).
RenderStyle* renderStyle() const;
RenderStyle* parentRenderStyle() const;
//
// There are another callback named didNotifySubtreeInsertionsToDocument(), which is called after all the descendant is notified,
// if this node was inserted into the document tree. Only a few subclasses actually need this. To utilize this, the node should
- // return InsertionShouldCallDidNotifySubtreeInsertions from insrtedInto().
+ // return InsertionShouldCallDidNotifySubtreeInsertions from insertedInto().
//
enum InsertionNotificationRequest {
InsertionDone,
void showTreeForThisAcrossFrame() const;
#endif
- void invalidateNodeListCachesInAncestors(const QualifiedName* attrName = 0, Element* attributeOwnerElement = 0);
NodeListsNodeData* nodeLists();
void clearNodeLists();
- PassRefPtr<NodeList> getElementsByTagName(const AtomicString&);
- PassRefPtr<NodeList> getElementsByTagNameNS(const AtomicString& namespaceURI, const AtomicString& localName);
- PassRefPtr<NodeList> getElementsByName(const String& elementName);
- PassRefPtr<NodeList> getElementsByClassName(const String& classNames);
- PassRefPtr<RadioNodeList> radioNodeList(const AtomicString&);
-
virtual bool willRespondToMouseMoveEvents();
virtual bool willRespondToMouseClickEvents();
virtual bool willRespondToTouchEvents();
- PassRefPtr<Element> querySelector(const AtomicString& selectors, ExceptionState&);
- PassRefPtr<NodeList> querySelectorAll(const AtomicString& selectors, ExceptionState&);
-
- unsigned short compareDocumentPosition(const Node*) const;
-
enum ShadowTreesTreatment {
TreatShadowTreesAsDisconnected,
TreatShadowTreesAsComposed
};
- unsigned short compareDocumentPositionInternal(const Node*, ShadowTreesTreatment) const;
+ unsigned short compareDocumentPosition(const Node*, ShadowTreesTreatment = TreatShadowTreesAsDisconnected) const;
- virtual Node* toNode();
+ virtual Node* toNode() OVERRIDE FINAL;
virtual const AtomicString& interfaceName() const OVERRIDE;
- virtual ExecutionContext* executionContext() const OVERRIDE;
+ virtual ExecutionContext* executionContext() const OVERRIDE FINAL;
- virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
- virtual bool removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
+ virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
+ virtual bool removeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
+ virtual void removeAllEventListeners() OVERRIDE;
+ void removeAllEventListenersRecursively();
// Handlers to do/undo actions on the target node before an event is dispatched to it and after the event
// has been dispatched. The data pointer is handed back by the preDispatch and passed to postDispatch.
virtual void postDispatchEventHandler(Event*, void* /*dataFromPreDispatch*/) { }
using EventTarget::dispatchEvent;
- virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
+ virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
- void dispatchScopedEvent(PassRefPtr<Event>);
- void dispatchScopedEventDispatchMediator(PassRefPtr<EventDispatchMediator>);
+ void dispatchScopedEvent(PassRefPtrWillBeRawPtr<Event>);
+ void dispatchScopedEventDispatchMediator(PassRefPtrWillBeRawPtr<EventDispatchMediator>);
virtual void handleLocalEvents(Event*);
void dispatchSubtreeModifiedEvent();
- bool dispatchDOMActivateEvent(int detail, PassRefPtr<Event> underlyingEvent);
+ bool dispatchDOMActivateEvent(int detail, PassRefPtrWillBeRawPtr<Event> underlyingEvent);
bool dispatchKeyEvent(const PlatformKeyboardEvent&);
bool dispatchWheelEvent(const PlatformWheelEvent&);
bool dispatchMouseEvent(const PlatformMouseEvent&, const AtomicString& eventType, int clickCount = 0, Node* relatedTarget = 0);
bool dispatchGestureEvent(const PlatformGestureEvent&);
- bool dispatchTouchEvent(PassRefPtr<TouchEvent>);
+ bool dispatchTouchEvent(PassRefPtrWillBeRawPtr<TouchEvent>);
- void dispatchSimulatedClick(Event* underlyingEvent, SimulatedClickMouseEventOptions = SendNoEvents, SimulatedClickVisualOptions = ShowPressedLook);
+ void dispatchSimulatedClick(Event* underlyingEvent, SimulatedClickMouseEventOptions = SendNoEvents);
- virtual bool dispatchBeforeLoadEvent(const String& sourceURL);
- virtual void dispatchChangeEvent();
- virtual void dispatchInputEvent();
+ void dispatchInputEvent();
// Perform the default action for an event.
virtual void defaultEventHandler(Event*);
virtual EventTargetData* eventTargetData() OVERRIDE;
virtual EventTargetData& ensureEventTargetData() OVERRIDE;
- void getRegisteredMutationObserversOfType(HashMap<MutationObserver*, MutationRecordDeliveryOptions>&, MutationObserver::MutationType, const QualifiedName* attributeName);
- void registerMutationObserver(MutationObserver
*, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
+ void getRegisteredMutationObserversOfType(WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>&, MutationObserver::MutationType, const QualifiedName* attributeName);
+ void registerMutationObserver(MutationObserver
&, MutationObserverOptions, const HashSet<AtomicString>& attributeFilter);
void unregisterMutationObserver(MutationObserverRegistration*);
void registerTransientMutationObserver(MutationObserverRegistration*);
void unregisterTransientMutationObserver(MutationObserverRegistration*);
void notifyMutationObserversNodeWillDetach();
- virtual void registerScopedHTMLStyleChild();
- virtual void unregisterScopedHTMLStyleChild();
- size_t numberOfScopedHTMLStyleChildren() const;
-
- void textRects(Vector<IntRect>&) const;
-
unsigned connectedSubframeCount() const;
void incrementConnectedSubframeCount(unsigned amount = 1);
void decrementConnectedSubframeCount(unsigned amount = 1);
void updateAncestorConnectedSubframeCountForRemoval() const;
void updateAncestorConnectedSubframeCountForInsertion() const;
- PassRefPtr<NodeList> getDestinationInsertionPoints();
+ PassRefPtrWillBeRawPtr<StaticNodeList> getDestinationInsertionPoints();
void setAlreadySpellChecked(bool flag) { setFlag(flag, AlreadySpellCheckedFlag); }
bool isAlreadySpellChecked() { return getFlag(AlreadySpellCheckedFlag); }
+ bool isFinishedParsingChildren() const { return getFlag(IsFinishedParsingChildrenFlag); }
+
+ virtual void trace(Visitor*) OVERRIDE;
+
+ unsigned lengthOfContents() const;
+
private:
enum NodeFlags {
- IsTextFlag = 1,
- IsContainerFlag = 1 << 1,
- IsElementFlag = 1 << 2,
- IsHTMLFlag = 1 << 3,
- IsSVGFlag = 1 << 4,
- IsAttachedFlag = 1 << 5,
- ChildNeedsStyleRecalcFlag = 1 << 6,
- InDocumentFlag = 1 << 7,
+ HasRareDataFlag = 1,
+
+ // Node type flags. These never change once created.
+ IsTextFlag = 1 << 1,
+ IsContainerFlag = 1 << 2,
+ IsElementFlag = 1 << 3,
+ IsHTMLFlag = 1 << 4,
+ IsSVGFlag = 1 << 5,
+ IsDocumentFragmentFlag = 1 << 6,
+ IsInsertionPointFlag = 1 << 7,
+
+ // Changes based on if the element should be treated like a link,
+ // ex. When setting the href attribute on an <a>.
IsLinkFlag = 1 << 8,
- IsUserActionElement = 1 << 9,
- HasRareDataFlag = 1 << 10,
- IsDocumentFragmentFlag = 1 << 11,
- // These bits are used by derived classes, pulled up here so they can
- // be stored in the same memory word as the Node bits above.
- IsParsingChildrenFinishedFlag = 1 << 12, // Element
- HasSVGRareDataFlag = 1 << 13, // SVGElement
-
- StyleChangeMask = 1 << nodeStyleChangeShift | 1 << (nodeStyleChangeShift + 1),
+ // Changes based on :hover, :active and :focus state.
+ IsUserActionElementFlag = 1 << 9,
- SelfOrAncestorHasDirAutoFlag = 1 << 16,
+ // Tree state flags. These change when the element is added/removed
+ // from a DOM tree.
+ InDocumentFlag = 1 << 10,
+ IsInShadowTreeFlag = 1 << 11,
- HasNameOrIsEditingTextFlag = 1 << 17,
+ // Set by the parser when the children are done parsing.
+ IsFinishedParsingChildrenFlag = 1 << 12,
- InNamedFlowFlag = 1 << 18,
- HasSyntheticAttrChildNodesFlag = 1 << 19,
- HasCustomStyleCallbacksFlag = 1 << 20,
- HasScopedHTMLStyleChildFlag = 1 << 21,
- HasEventTargetDataFlag = 1 << 22,
- V8CollectableDuringMinorGCFlag = 1 << 23,
- IsInsertionPointFlag = 1 << 24,
- IsInShadowTreeFlag = 1 << 25,
+ // Flags related to recalcStyle.
+ SVGFilterNeedsLayerUpdateFlag = 1 << 13,
+ HasCustomStyleCallbacksFlag = 1 << 14,
+ ChildNeedsStyleInvalidationFlag = 1 << 15,
+ NeedsStyleInvalidationFlag = 1 << 16,
+ ChildNeedsDistributionRecalcFlag = 1 << 17,
+ ChildNeedsStyleRecalcFlag = 1 << 18,
+ StyleChangeMask = 1 << nodeStyleChangeShift | 1 << (nodeStyleChangeShift + 1),
- NotifyRendererWithIdenticalStyles = 1 << 26,
+ CustomElementFlag = 1 << 21,
+ CustomElementUpgradedFlag = 1 << 22,
- CustomElementWaitingForParserOrIsUpgraded = 1 << 27,
- CustomElementWaitingForUpgradeOrIsUpgraded = 1 << 28,
+ HasNameOrIsEditingTextFlag = 1 << 23,
+ HasWeakReferencesFlag = 1 << 24,
+ V8CollectableDuringMinorGCFlag = 1 << 25,
+ HasSyntheticAttrChildNodesFlag = 1 << 26,
+ HasEventTargetDataFlag = 1 << 27,
+ AlreadySpellCheckedFlag = 1 << 28,
- ChildNeedsDistributionRecalc = 1 << 29,
- AlreadySpellCheckedFlag = 1 << 30,
+ // HTML dir=auto.
+ SelfOrAncestorHasDirAutoFlag = 1 << 29,
- DefaultNodeFlags = IsParsingChildrenFinishedFlag
+ DefaultNodeFlags = IsFinishedParsingChildrenFlag | ChildNeedsStyleRecalcFlag | NeedsReattachStyleChange
};
- // 2 bits remaining
+ // 2 bits remaining.
bool getFlag(NodeFlags mask) const { return m_nodeFlags & mask; }
- void setFlag(bool f, NodeFlags mask) const { m_nodeFlags = (m_nodeFlags & ~mask) | (-(int32_t)f & mask); }
- void setFlag(NodeFlags mask) const { m_nodeFlags |= mask; }
- void clearFlag(NodeFlags mask) const { m_nodeFlags &= ~mask; }
+ void setFlag(bool f, NodeFlags mask) { m_nodeFlags = (m_nodeFlags & ~mask) | (-(int32_t)f & mask); }
+ void setFlag(NodeFlags mask) { m_nodeFlags |= mask; }
+ void clearFlag(NodeFlags mask) { m_nodeFlags &= ~mask; }
protected:
enum ConstructionType {
CreateText = DefaultNodeFlags | IsTextFlag,
CreateContainer = DefaultNodeFlags | IsContainerFlag,
CreateElement = CreateContainer | IsElementFlag,
- CreatePseudoElement = CreateElement | InDocumentFlag,
CreateShadowRoot = CreateContainer | IsDocumentFragmentFlag | IsInShadowTreeFlag,
CreateDocumentFragment = CreateContainer | IsDocumentFragmentFlag,
CreateHTMLElement = CreateElement | IsHTMLFlag,
CreateEditingText = CreateText | HasNameOrIsEditingTextFlag,
};
- Node(TreeScope* treeScope, ConstructionType type)
- : m_nodeFlags(type)
- , m_parentOrShadowHostNode(0)
- , m_treeScope(treeScope)
- , m_previous(0)
- , m_next(0)
- {
- ScriptWrappable::init(this);
- if (!m_treeScope)
- m_treeScope = TreeScope::noDocumentInstance();
- m_treeScope->guardRef();
-
-#if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
- trackForDebugging();
-#endif
- InspectorCounters::incrementCounter(InspectorCounters::NodeCounter);
- }
+ Node(TreeScope*, ConstructionType);
virtual void didMoveToNewDocument(Document& oldDocument);
- virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const { }
+ static void reattachWhitespaceSiblings(Text* start);
+#if !ENABLE(OILPAN)
void willBeDeletedFromDocument();
+#endif
bool hasRareData() const { return getFlag(HasRareDataFlag); }
NodeRareData* rareData() const;
NodeRareData& ensureRareData();
+#if !ENABLE(OILPAN)
void clearRareData();
void clearEventTargetData();
+#endif
void setHasCustomStyleCallbacks() { setFlag(true, HasCustomStyleCallbacksFlag); }
- Document* documentInternal() const { return treeScope().documentScope(); }
void setTreeScope(TreeScope* scope) { m_treeScope = scope; }
+ // isTreeScopeInitialized() can be false
+ // - in the destruction of Document or ShadowRoot where m_treeScope is set to null or
+ // - in the Node constructor called by these two classes where m_treeScope is set by TreeScope ctor.
+ bool isTreeScopeInitialized() const { return m_treeScope; }
+
+ void markAncestorsWithChildNeedsStyleRecalc();
+
+ void setIsFinishedParsingChildren(bool value) { setFlag(value, IsFinishedParsingChildrenFlag); }
+
private:
friend class TreeShared<Node>;
+ friend class WeakNodeMap;
- virtual PseudoId customPseudoId() const
- {
- ASSERT(hasCustomStyleCallbacks());
- return NOPSEUDO;
- }
+ unsigned styledSubtreeSize() const;
+#if !ENABLE(OILPAN)
void removedLastRef();
+#endif
bool hasTreeSharedParent() const { return !!parentOrShadowHostNode(); }
enum EditableLevel { Editable, RichlyEditable };
- bool rendererIsEditable(EditableLevel, UserSelectAllTreatment = UserSelectAllIsAlwaysNonEditable) const;
+ bool hasEditableStyle(EditableLevel, UserSelectAllTreatment = UserSelectAllIsAlwaysNonEditable) const;
bool isEditableToAccessibility(EditableLevel) const;
bool isUserActionElementActive() const;
bool isUserActionElementHovered() const;
bool isUserActionElementFocused() const;
+ void traceStyleChange(StyleChangeType);
+ void traceStyleChangeIfNeeded(StyleChangeType);
void setStyleChange(StyleChangeType);
- // Used to share code between lazyAttach and setNeedsStyleRecalc.
- void markAncestorsWithChildNeedsStyleRecalc();
-
virtual RenderStyle* nonRendererStyle() const { return 0; }
virtual RenderStyle* virtualComputedStyle(PseudoId = NOPSEUDO);
- Element* ancestorElement() const;
-
void trackForDebugging();
- Vector<OwnPtr<MutationObserverRegistration> >* mutationObserverRegistry();
- HashSet<MutationObserverRegistration*>* transientMutationObserverRegistry();
+ WillBeHeapVector<OwnPtrWillBeMember<MutationObserverRegistration> >* mutationObserverRegistry();
+ WillBeHeapHashSet<RawPtrWillBeMember<MutationObserverRegistration> >* transientMutationObserverRegistry();
- mutable uint32_t m_nodeFlags;
- ContainerNode* m_parentOrShadowHostNode;
- TreeScope* m_treeScope;
- Node* m_previous;
- Node* m_next;
+ uint32_t m_nodeFlags;
+ RawPtrWillBeMember<ContainerNode> m_parentOrShadowHostNode;
+ RawPtrWillBeMember<TreeScope> m_treeScope;
+ RawPtrWillBeMember<Node> m_previous;
+ RawPtrWillBeMember<Node> m_next;
// When a node has rare data we move the renderer into the rare data.
union DataUnion {
DataUnion() : m_renderer(0) { }
RenderObject* m_renderer;
NodeRareDataBase* m_rareData;
} m_data;
-
-protected:
- bool isParsingChildrenFinished() const { return getFlag(IsParsingChildrenFinishedFlag); }
- void setIsParsingChildrenFinished() { setFlag(IsParsingChildrenFinishedFlag); }
- void clearIsParsingChildrenFinished() { clearFlag(IsParsingChildrenFinishedFlag); }
-
- bool hasSVGRareData() const { return getFlag(HasSVGRareDataFlag); }
- void setHasSVGRareData() { setFlag(HasSVGRareDataFlag); }
- void clearHasSVGRareData() { clearFlag(HasSVGRareDataFlag); }
};
-// Used in Node::addSubresourceAttributeURLs() and in addSubresourceStyleURLs()
-inline void addSubresourceURL(ListHashSet<KURL>& urls, const KURL& url)
-{
- if (!url.isNull())
- urls.add(url);
-}
-
inline void Node::setParentOrShadowHostNode(ContainerNode* parent)
{
ASSERT(isMainThread());
return isShadowRoot() ? 0 : parentOrShadowHostNode();
}
-inline ContainerNode* Node::parentNodeGuaranteedHostFree() const
-{
- ASSERT(!isShadowRoot());
- return parentOrShadowHostNode();
-}
-
inline void Node::lazyReattachIfAttached()
{
if (styleChangeType() == NeedsReattachStyleChange)
context.performingReattach = true;
detach(context);
- lazyAttach();
+ markAncestorsWithChildNeedsStyleRecalc();
}
-inline bool shouldRecalcStyle(StyleRecalcChange change, const Node* node)
+inline bool Node::shouldCallRecalcStyle(StyleRecalcChange change)
{
- return change >= Inherit || node->childNeedsStyleRecalc() || node->needsStyleRecalc();
+ return change >= Inherit || needsStyleRecalc() || childNeedsStyleRecalc();
+}
+
+inline bool isTreeScopeRoot(const Node* node)
+{
+ return !node || node->isDocumentNode() || node->isShadowRoot();
+}
+
+inline bool isTreeScopeRoot(const Node& node)
+{
+ return node.isDocumentNode() || node.isShadowRoot();
}
// Allow equality comparisons of Nodes by reference or pointer, interchangeably.
-inline bool operator==(const Node& a, const Node& b) { return &a == &b; }
-inline bool operator==(const Node& a, const Node* b) { return &a == b; }
-inline bool operator==(const Node* a, const Node& b) { return a == &b; }
-inline bool operator!=(const Node& a, const Node& b) { return !(a == b); }
-inline bool operator!=(const Node& a, const Node* b) { return !(a == b); }
-inline bool operator!=(const Node* a, const Node& b) { return !(a == b); }
-inline bool operator==(const PassRefPtr<Node>& a, const Node& b) { return a.get() == &b; }
-inline bool operator==(const Node& a, const PassRefPtr<Node>& b) { return &a == b.get(); }
-inline bool operator!=(const PassRefPtr<Node>& a, const Node& b) { return !(a == b); }
-inline bool operator!=(const Node& a, const PassRefPtr<Node>& b) { return !(a == b); }
+DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES_REFCOUNTED(Node)
#define DEFINE_NODE_TYPE_CASTS(thisType, predicate) \
template<typename T> inline thisType* to##thisType(const RefPtr<T>& node) { return to##thisType(node.get()); } \
DEFINE_TYPE_CASTS(thisType, Node, node, is##thisType(*node), is##thisType(node))
-} // namespace WebCore
+#define DECLARE_NODE_FACTORY(T) \
+ static PassRefPtrWillBeRawPtr<T> create(Document&)
+#define DEFINE_NODE_FACTORY(T) \
+PassRefPtrWillBeRawPtr<T> T::create(Document& document) \
+{ \
+ return adoptRefWillBeNoop(new T(document)); \
+}
+
+} // namespace blink
#ifndef NDEBUG
// Outside the WebCore namespace for ease of invocation from gdb.
-void showTree(const WebCore::Node*);
-void showNodePath(const WebCore::Node*);
+void showNode(const blink::Node*);
+void showTree(const blink::Node*);
+void showNodePath(const blink::Node*);
#endif
#endif
projects / platform / framework / web / crosswalk.git / blobdiff