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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef InspectorDOMAgent_h
#define InspectorDOMAgent_h
#include "EventTarget.h"
#include "InjectedScript.h"
#include "InjectedScriptManager.h"
#include "InspectorBaseAgent.h"
#include "InspectorFrontend.h"
#include "InspectorOverlay.h"
#include "InspectorValues.h"
#include "RenderLayer.h"
#include "Timer.h"
#include <wtf/Deque.h>
#include <wtf/ListHashSet.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class ContainerNode;
class CharacterData;
class DOMEditor;
class Document;
class Element;
class Event;
class InspectorClient;
class InspectorFrontend;
class InspectorHistory;
class InspectorOverlay;
class InspectorPageAgent;
class HitTestResult;
class HTMLElement;
class InspectorState;
class InstrumentingAgents;
class NameNodeMap;
class Node;
class RevalidateStyleAttributeTask;
class ScriptValue;
class ShadowRoot;
struct HighlightConfig;
typedef String ErrorString;
typedef int BackendNodeId;
#if ENABLE(INSPECTOR)
struct EventListenerInfo {
EventListenerInfo(Node* node, const AtomicString& eventType, const EventListenerVector& eventListenerVector)
: node(node)
, eventType(eventType)
, eventListenerVector(eventListenerVector)
{
}
Node* node;
const AtomicString eventType;
const EventListenerVector eventListenerVector;
};
class InspectorDOMAgent : public InspectorBaseAgent<InspectorDOMAgent>, public InspectorBackendDispatcher::DOMCommandHandler {
WTF_MAKE_NONCOPYABLE(InspectorDOMAgent);
public:
struct DOMListener {
virtual ~DOMListener()
{
}
virtual void didRemoveDocument(Document*) = 0;
virtual void didRemoveDOMNode(Node*) = 0;
virtual void didModifyDOMAttr(Element*) = 0;
};
static PassOwnPtr<InspectorDOMAgent> create(InstrumentingAgents* instrumentingAgents, InspectorPageAgent* pageAgent, InspectorCompositeState* inspectorState, InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay, InspectorClient* client)
{
return adoptPtr(new InspectorDOMAgent(instrumentingAgents, pageAgent, inspectorState, injectedScriptManager, overlay, client));
}
static String toErrorString(const ExceptionCode&);
~InspectorDOMAgent();
virtual void setFrontend(InspectorFrontend*);
virtual void clearFrontend();
virtual void restore();
Vector<Document*> documents();
void reset();
// Methods called from the frontend for DOM nodes inspection.
virtual void querySelector(ErrorString*, int nodeId, const String& selectors, int* elementId);
virtual void querySelectorAll(ErrorString*, int nodeId, const String& selectors, RefPtr<TypeBuilder::Array<int> >& result);
virtual void getDocument(ErrorString*, RefPtr<TypeBuilder::DOM::Node>& root);
virtual void requestChildNodes(ErrorString*, int nodeId, const int* depth);
virtual void setAttributeValue(ErrorString*, int elementId, const String& name, const String& value);
virtual void setAttributesAsText(ErrorString*, int elementId, const String& text, const String* name);
virtual void removeAttribute(ErrorString*, int elementId, const String& name);
virtual void removeNode(ErrorString*, int nodeId);
virtual void setNodeName(ErrorString*, int nodeId, const String& name, int* newId);
virtual void getOuterHTML(ErrorString*, int nodeId, WTF::String* outerHTML);
virtual void setOuterHTML(ErrorString*, int nodeId, const String& outerHTML);
virtual void setNodeValue(ErrorString*, int nodeId, const String& value);
virtual void getEventListenersForNode(ErrorString*, int nodeId, const WTF::String* objectGroup, RefPtr<TypeBuilder::Array<TypeBuilder::DOM::EventListener> >& listenersArray);
virtual void performSearch(ErrorString*, const String& whitespaceTrimmedQuery, String* searchId, int* resultCount);
virtual void getSearchResults(ErrorString*, const String& searchId, int fromIndex, int toIndex, RefPtr<TypeBuilder::Array<int> >&);
virtual void discardSearchResults(ErrorString*, const String& searchId);
virtual void resolveNode(ErrorString*, int nodeId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result);
virtual void getAttributes(ErrorString*, int nodeId, RefPtr<TypeBuilder::Array<String> >& result);
virtual void setInspectModeEnabled(ErrorString*, bool enabled, const RefPtr<InspectorObject>* highlightConfig);
virtual void requestNode(ErrorString*, const String& objectId, int* nodeId);
virtual void pushNodeByPathToFrontend(ErrorString*, const String& path, int* nodeId);
virtual void pushNodeByBackendIdToFrontend(ErrorString*, BackendNodeId, int* nodeId);
virtual void releaseBackendNodeIds(ErrorString*, const String& nodeGroup);
virtual void hideHighlight(ErrorString*);
virtual void highlightRect(ErrorString*, int x, int y, int width, int height, const RefPtr<InspectorObject>* color, const RefPtr<InspectorObject>* outlineColor, const bool* usePageCoordinates);
virtual void highlightQuad(ErrorString*, const RefPtr<InspectorArray>& quad, const RefPtr<InspectorObject>* color, const RefPtr<InspectorObject>* outlineColor, const bool* usePageCoordinates);
virtual void highlightNode(ErrorString*, const RefPtr<InspectorObject>& highlightConfig, const int* nodeId, const String* objectId);
virtual void highlightFrame(ErrorString*, const String& frameId, const RefPtr<InspectorObject>* color, const RefPtr<InspectorObject>* outlineColor);
virtual void moveTo(ErrorString*, int nodeId, int targetNodeId, const int* anchorNodeId, int* newNodeId);
virtual void undo(ErrorString*);
virtual void redo(ErrorString*);
virtual void markUndoableState(ErrorString*);
virtual void focus(ErrorString*, int nodeId);
virtual void setFileInputFiles(ErrorString*, int nodeId, const RefPtr<InspectorArray>& files);
void getEventListeners(Node*, Vector<EventListenerInfo>& listenersArray, bool includeAncestors);
// Methods called from the InspectorInstrumentation.
void setDocument(Document*);
void releaseDanglingNodes();
void mainFrameDOMContentLoaded();
void loadEventFired(Document*);
void didInsertDOMNode(Node*);
void didRemoveDOMNode(Node*);
void willModifyDOMAttr(Element*, const AtomicString& oldValue, const AtomicString& newValue);
void didModifyDOMAttr(Element*, const AtomicString& name, const AtomicString& value);
void didRemoveDOMAttr(Element*, const AtomicString& name);
void styleAttributeInvalidated(const Vector<Element*>& elements);
void characterDataModified(CharacterData*);
void didInvalidateStyleAttr(Node*);
void didPushShadowRoot(Element* host, ShadowRoot*);
void willPopShadowRoot(Element* host, ShadowRoot*);
void frameDocumentUpdated(Frame*);
int pushNodeToFrontend(ErrorString*, int documentNodeId, Node*);
Node* nodeForId(int nodeId);
int boundNodeId(Node*);
void setDOMListener(DOMListener*);
BackendNodeId backendNodeIdForNode(Node*, const String& nodeGroup);
static String documentURLString(Document*);
PassRefPtr<TypeBuilder::Runtime::RemoteObject> resolveNode(Node*, const String& objectGroup);
bool handleMousePress();
bool handleTouchEvent(Node*);
void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags);
void inspect(Node*);
void focusNode();
InspectorHistory* history() { return m_history.get(); }
// We represent embedded doms as a part of the same hierarchy. Hence we treat children of frame owners differently.
// We also skip whitespace text nodes conditionally. Following methods encapsulate these specifics.
static Node* innerFirstChild(Node*);
static Node* innerNextSibling(Node*);
static Node* innerPreviousSibling(Node*);
static unsigned innerChildNodeCount(Node*);
static Node* innerParentNode(Node*);
static bool isWhitespace(Node*);
Node* assertNode(ErrorString*, int nodeId);
Element* assertElement(ErrorString*, int nodeId);
Document* assertDocument(ErrorString*, int nodeId);
// Methods called from other agents.
InspectorPageAgent* pageAgent() { return m_pageAgent; }
private:
InspectorDOMAgent(InstrumentingAgents*, InspectorPageAgent*, InspectorCompositeState*, InjectedScriptManager*, InspectorOverlay*, InspectorClient*);
void setSearchingForNode(ErrorString*, bool enabled, InspectorObject* highlightConfig);
PassOwnPtr<HighlightConfig> highlightConfigFromInspectorObject(ErrorString*, InspectorObject* highlightInspectorObject);
// Node-related methods.
typedef HashMap<RefPtr<Node>, int> NodeToIdMap;
int bind(Node*, NodeToIdMap*);
void unbind(Node*, NodeToIdMap*);
Node* assertEditableNode(ErrorString*, int nodeId);
Element* assertEditableElement(ErrorString*, int nodeId);
int pushNodePathToFrontend(Node*);
void pushChildNodesToFrontend(int nodeId, int depth = 1);
bool hasBreakpoint(Node*, int type);
void updateSubtreeBreakpoints(Node* root, uint32_t rootMask, bool value);
void descriptionForDOMEvent(Node* target, int breakpointType, bool insertion, PassRefPtr<InspectorObject> description);
PassRefPtr<TypeBuilder::DOM::Node> buildObjectForNode(Node*, int depth, NodeToIdMap*);
PassRefPtr<TypeBuilder::Array<String> > buildArrayForElementAttributes(Element*);
PassRefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > buildArrayForContainerChildren(Node* container, int depth, NodeToIdMap* nodesMap);
PassRefPtr<TypeBuilder::DOM::EventListener> buildObjectForEventListener(const RegisteredEventListener&, const AtomicString& eventType, Node*, const String* objectGroupId);
Node* nodeForPath(const String& path);
void discardBindings();
void innerHighlightQuad(PassOwnPtr<FloatQuad>, const RefPtr<InspectorObject>* color, const RefPtr<InspectorObject>* outlineColor, const bool* usePageCoordinates);
InspectorPageAgent* m_pageAgent;
InjectedScriptManager* m_injectedScriptManager;
InspectorOverlay* m_overlay;
InspectorClient* m_client;
InspectorFrontend::DOM* m_frontend;
DOMListener* m_domListener;
NodeToIdMap m_documentNodeToIdMap;
typedef HashMap<RefPtr<Node>, BackendNodeId> NodeToBackendIdMap;
HashMap<String, NodeToBackendIdMap> m_nodeGroupToBackendIdMap;
// Owns node mappings for dangling nodes.
Vector<OwnPtr<NodeToIdMap> > m_danglingNodeToIdMaps;
HashMap<int, Node*> m_idToNode;
HashMap<int, NodeToIdMap*> m_idToNodesMap;
HashSet<int> m_childrenRequested;
HashMap<BackendNodeId, std::pair<Node*, String> > m_backendIdToNode;
int m_lastNodeId;
BackendNodeId m_lastBackendNodeId;
RefPtr<Document> m_document;
typedef HashMap<String, Vector<RefPtr<Node> > > SearchResults;
SearchResults m_searchResults;
OwnPtr<RevalidateStyleAttributeTask> m_revalidateStyleAttrTask;
RefPtr<Node> m_nodeToFocus;
bool m_searchingForNode;
OwnPtr<HighlightConfig> m_inspectModeHighlightConfig;
OwnPtr<InspectorHistory> m_history;
OwnPtr<DOMEditor> m_domEditor;
bool m_suppressAttributeModifiedEvent;
};
#endif // ENABLE(INSPECTOR)
} // namespace WebCore
#endif // !defined(InspectorDOMAgent_h)
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