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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 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 "EventListener.h"
#include "EventTarget.h"
#include "InjectedScript.h"
#include "InjectedScriptHost.h"
#include "InspectorValues.h"
#include "NodeList.h"
#include "Timer.h"
#include <wtf/Deque.h>
#include <wtf/ListHashSet.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class ContainerNode;
class CSSRule;
class CSSRuleList;
class CSSStyleDeclaration;
class CSSStyleRule;
class CSSStyleSheet;
class CharacterData;
class Document;
class Element;
class Event;
class InspectorDOMAgent;
class InspectorFrontend;
class MatchJob;
class NameNodeMap;
class Node;
class Page;
#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 EventListener {
public:
struct DOMListener {
virtual ~DOMListener()
{
}
virtual void didRemoveDocument(Document*) = 0;
virtual void didRemoveDOMNode(Node*) = 0;
virtual void didModifyDOMAttr(Element*) = 0;
};
static PassRefPtr<InspectorDOMAgent> create(InjectedScriptHost* injectedScriptHost, InspectorFrontend* frontend)
{
return adoptRef(new InspectorDOMAgent(injectedScriptHost, frontend));
}
static const InspectorDOMAgent* cast(const EventListener* listener)
{
return listener->type() == InspectorDOMAgentType
? static_cast<const InspectorDOMAgent*>(listener)
: 0;
}
InspectorDOMAgent(InjectedScriptHost*, InspectorFrontend*);
~InspectorDOMAgent();
void reset();
virtual bool operator==(const EventListener& other);
// Methods called from the frontend for DOM nodes inspection.
void getChildNodes(long nodeId);
void setAttribute(long elementId, const String& name, const String& value, bool* success);
void removeAttribute(long elementId, const String& name, bool* success);
void removeNode(long nodeId, long* outNodeId);
void changeTagName(long nodeId, const String& tagName, long* newId);
void getOuterHTML(long nodeId, WTF::String* outerHTML);
void setOuterHTML(long nodeId, const String& outerHTML, long* newId);
void setTextNodeValue(long nodeId, const String& value, bool* success);
void getEventListenersForNode(long nodeId, long* outNodeId, RefPtr<InspectorArray>* listenersArray);
void addInspectedNode(long nodeId);
void performSearch(const String& whitespaceTrimmedQuery, bool runSynchronously);
void searchCanceled();
void resolveNode(long nodeId, RefPtr<InspectorValue>* result);
void getNodeProperties(long nodeId, PassRefPtr<InspectorArray> propertiesArray, RefPtr<InspectorValue>* result);
void getNodePrototypes(long nodeId, RefPtr<InspectorValue>* result);
void pushNodeToFrontend(PassRefPtr<InspectorObject> objectId, RefPtr<InspectorValue>* result);
// Methods called from the InspectorInstrumentation.
void setDocument(Document*);
void releaseDanglingNodes();
void didInsertDOMNode(Node*);
void didRemoveDOMNode(Node*);
void didModifyDOMAttr(Element*);
void characterDataModified(CharacterData*);
Node* nodeForId(long nodeId);
long pushNodePathToFrontend(Node*);
void pushChildNodesToFrontend(long nodeId);
void pushNodeByPathToFrontend(const String& path, long* nodeId);
long inspectedNode(unsigned long num);
void copyNode(long nodeId);
const ListHashSet<RefPtr<Document> >& documents() { return m_documents; }
void setDOMListener(DOMListener*);
String documentURLString(Document*) 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:
void startListeningFrameDocument(Node* frameOwnerNode);
void startListening(Document*);
void stopListening(Document*);
virtual void handleEvent(ScriptExecutionContext*, Event*);
// Node-related methods.
typedef HashMap<RefPtr<Node>, long> NodeToIdMap;
long bind(Node*, NodeToIdMap*);
void unbind(Node*, NodeToIdMap*);
bool pushDocumentToFrontend();
bool hasBreakpoint(Node*, long type);
void updateSubtreeBreakpoints(Node* root, uint32_t rootMask, bool value);
void descriptionForDOMEvent(Node* target, long 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*);
Document* mainFrameDocument() const;
void onMatchJobsTimer(Timer<InspectorDOMAgent>*);
void reportNodesAsSearchResults(ListHashSet<Node*>& resultCollector);
Node* nodeForPath(const String& path);
PassRefPtr<InspectorArray> toArray(const Vector<String>& data);
void discardBindings();
InjectedScript injectedScriptForNodeId(long nodeId);
InjectedScriptHost* m_injectedScriptHost;
InspectorFrontend* m_frontend;
DOMListener* m_domListener;
NodeToIdMap m_documentNodeToIdMap;
// Owns node mappings for dangling nodes.
Vector<NodeToIdMap*> m_danglingNodeToIdMaps;
HashMap<long, Node*> m_idToNode;
HashMap<long, NodeToIdMap*> m_idToNodesMap;
HashSet<long> m_childrenRequested;
long m_lastNodeId;
ListHashSet<RefPtr<Document> > m_documents;
Deque<MatchJob*> m_pendingMatchJobs;
Timer<InspectorDOMAgent> m_matchJobsTimer;
HashSet<RefPtr<Node> > m_searchResults;
Vector<long> m_inspectedNodes;
};
#endif // ENABLE(INSPECTOR)
} // namespace WebCore
#endif // !defined(InspectorDOMAgent_h)
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