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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 "InspectorFrontend.h"
#include "InspectorValues.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 Document;
class Element;
class Event;
class GraphicsContext;
class InspectorClient;
class InspectorDOMAgent;
class InspectorFrontend;
class HitTestResult;
class MatchJob;
class HTMLElement;
class InspectorState;
class InstrumentingAgents;
class NameNodeMap;
class Node;
class Page;
class RevalidateStyleAttributeTask;
class ScriptValue;
typedef String ErrorString;
#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:
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, Page* page, InspectorClient* client, InspectorState* inspectorState, InjectedScriptManager* injectedScriptManager)
{
return adoptPtr(new InspectorDOMAgent(instrumentingAgents, page, client, inspectorState, injectedScriptManager));
}
~InspectorDOMAgent();
void setFrontend(InspectorFrontend*);
void clearFrontend();
void restore();
Vector<Document*> documents();
void reset();
// Methods called from the frontend for DOM nodes inspection.
void querySelector(ErrorString*, int nodeId, const String& selectors, int* elementId);
void querySelectorAll(ErrorString*, int nodeId, const String& selectors, RefPtr<InspectorArray>* result);
void getDocument(ErrorString*, RefPtr<InspectorObject>* root);
void getChildNodes(ErrorString*, int nodeId);
void setAttribute(ErrorString*, int elementId, const String& name, const String& value);
void removeAttribute(ErrorString*, int elementId, const String& name);
void removeNode(ErrorString*, int nodeId);
void setNodeName(ErrorString*, int nodeId, const String& name, int* newId);
void getOuterHTML(ErrorString*, int nodeId, WTF::String* outerHTML);
void setOuterHTML(ErrorString*, int nodeId, const String& outerHTML, int* newId);
void setNodeValue(ErrorString*, int nodeId, const String& value);
void getEventListenersForNode(ErrorString*, int nodeId, RefPtr<InspectorArray>* listenersArray);
void performSearch(ErrorString*, const String& whitespaceTrimmedQuery, const bool* const runSynchronously);
void cancelSearch(ErrorString*);
void resolveNode(ErrorString*, int nodeId, RefPtr<InspectorObject>* result);
void setSearchingForNode(ErrorString*, bool enabled);
void pushNodeToFrontend(ErrorString*, const String& objectId, int* nodeId);
void pushNodeByPathToFrontend(ErrorString*, const String& path, int* nodeId);
void hideHighlight(ErrorString*);
void highlightDOMNode(ErrorString*, int nodeId);
void hideDOMNodeHighlight(ErrorString* error) { hideHighlight(error); }
void highlightFrame(ErrorString*, const String& frameId);
void hideFrameHighlight(ErrorString* error) { hideHighlight(error); }
Node* highlightedNode() const { return m_highlightedNode.get(); }
// Methods called from the InspectorInstrumentation.
void setDocument(Document*);
void releaseDanglingNodes();
void mainFrameDOMContentLoaded();
void loadEventFired(Document*);
void didInsertDOMNode(Node*);
void didRemoveDOMNode(Node*);
void didModifyDOMAttr(Element*);
void characterDataModified(CharacterData*);
void didInvalidateStyleAttr(Node*);
Node* nodeForId(int nodeId);
int boundNodeId(Node*);
void copyNode(ErrorString*, int nodeId);
void setDOMListener(DOMListener*);
String documentURLString(Document*) const;
PassRefPtr<InspectorObject> resolveNode(Node*);
bool handleMousePress();
bool searchingForNodeInPage() const;
void mouseDidMoveOverElement(const HitTestResult&, unsigned modifierFlags);
void inspect(Node*);
void focusNode();
void drawNodeHighlight(GraphicsContext&) const;
// 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*);
private:
InspectorDOMAgent(InstrumentingAgents*, Page*, InspectorClient*, InspectorState*, InjectedScriptManager*);
void setSearchingForNode(bool enabled);
void highlight(ErrorString*, Node*);
// Node-related methods.
typedef HashMap<RefPtr<Node>, int> NodeToIdMap;
int bind(Node*, NodeToIdMap*);
void unbind(Node*, NodeToIdMap*);
Node* assertNode(ErrorString*, int nodeId);
Element* assertElement(ErrorString*, int nodeId);
HTMLElement* assertHTMLElement(ErrorString*, int nodeId);
int pushNodePathToFrontend(Node*);
void pushChildNodesToFrontend(int nodeId);
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<InspectorObject> buildObjectForNode(Node*, int depth, NodeToIdMap*);
PassRefPtr<InspectorArray> buildArrayForElementAttributes(Element*);
PassRefPtr<InspectorArray> buildArrayForContainerChildren(Node* container, int depth, NodeToIdMap* nodesMap);
PassRefPtr<InspectorObject> buildObjectForEventListener(const RegisteredEventListener&, const AtomicString& eventType, Node*);
void onMatchJobsTimer(Timer<InspectorDOMAgent>*);
void reportNodesAsSearchResults(ListHashSet<Node*>& resultCollector);
Node* nodeForPath(const String& path);
PassRefPtr<InspectorArray> toArray(const Vector<String>& data);
void discardBindings();
InstrumentingAgents* m_instrumentingAgents;
Page* m_inspectedPage;
InspectorClient* m_client;
InspectorState* m_inspectorState;
InjectedScriptManager* m_injectedScriptManager;
InspectorFrontend::DOM* m_frontend;
DOMListener* m_domListener;
NodeToIdMap m_documentNodeToIdMap;
// Owns node mappings for dangling nodes.
Vector<NodeToIdMap*> m_danglingNodeToIdMaps;
HashMap<int, Node*> m_idToNode;
HashMap<int, NodeToIdMap*> m_idToNodesMap;
HashSet<int> m_childrenRequested;
int m_lastNodeId;
RefPtr<Document> m_document;
Deque<MatchJob*> m_pendingMatchJobs;
Timer<InspectorDOMAgent> m_matchJobsTimer;
HashSet<RefPtr<Node> > m_searchResults;
OwnPtr<RevalidateStyleAttributeTask> m_revalidateStyleAttrTask;
RefPtr<Node> m_highlightedNode;
RefPtr<Node> m_nodeToFocus;
bool m_searchingForNode;
};
#endif // ENABLE(INSPECTOR)
} // namespace WebCore
#endif // !defined(InspectorDOMAgent_h)
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