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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 "AtomicString.h"
#include "EventListener.h"
#include "EventTarget.h"
#include "InspectorCSSStore.h"
#include "ScriptArray.h"
#include "ScriptObject.h"
#include "ScriptState.h"
#include <wtf/ListHashSet.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class ContainerNode;
class CSSRule;
class CSSRuleList;
class CSSStyleDeclaration;
class CSSStyleRule;
class CSSStyleSheet;
class Element;
class Event;
class Document;
class InspectorFrontend;
class NameNodeMap;
class Node;
class Page;
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:
static PassRefPtr<InspectorDOMAgent> create(InspectorCSSStore* cssStore, InspectorFrontend* frontend)
{
return adoptRef(new InspectorDOMAgent(cssStore, frontend));
}
static const InspectorDOMAgent* cast(const EventListener* listener)
{
return listener->type() == InspectorDOMAgentType
? static_cast<const InspectorDOMAgent*>(listener)
: 0;
}
InspectorDOMAgent(InspectorCSSStore* cssStore, InspectorFrontend* frontend);
~InspectorDOMAgent();
void reset();
virtual bool operator==(const EventListener& other);
// Methods called from the frontend for DOM nodes inspection.
void getChildNodes(long callId, long nodeId);
void setAttribute(long callId, long elementId, const String& name, const String& value);
void removeAttribute(long callId, long elementId, const String& name);
void removeNode(long callId, long nodeId);
void changeTagName(long callId, long nodeId, const AtomicString& tagName, bool expanded);
void setTextNodeValue(long callId, long nodeId, const String& value);
void getEventListenersForNode(long callId, long nodeId);
// Methods called from the frontend for CSS styles inspection.
void getStyles(long callId, long nodeId, bool authorOnly);
void getAllStyles(long callId);
void getInlineStyle(long callId, long nodeId);
void getComputedStyle(long callId, long nodeId);
void getStyleSheet(long callId, long styleSheetId);
void getRuleRangesForStyleSheetId(long callId, long styleSheetId);
void applyStyleText(long callId, long styleId, const String& styleText, const String& propertyName);
void setStyleText(long callId, long styleId, const String& cssText);
void setStyleProperty(long callId, long styleId, const String& name, const String& value);
void toggleStyleEnabled(long callId, long styleId, const String& propertyName, bool disabled);
void setRuleSelector(long callId, long ruleId, const String& selector, long selectedNodeId);
void addRule(long callId, const String& selector, long selectedNodeId);
// Methods called from the InspectorController.
void setDocument(Document* document);
void releaseDanglingNodes();
void didInsertDOMNode(Node*);
void didRemoveDOMNode(Node*);
void didModifyDOMAttr(Element*);
Node* nodeForId(long nodeId);
Node* nodeForPath(const String& path);
long pushNodePathToFrontend(Node* node);
void pushChildNodesToFrontend(long nodeId);
private:
static CSSStyleSheet* getParentStyleSheet(CSSStyleDeclaration*);
void startListening(Document* document);
void stopListening(Document* document);
virtual void handleEvent(ScriptExecutionContext*, Event* event);
// Node-related methods.
typedef HashMap<RefPtr<Node>, long> NodeToIdMap;
long bind(Node* node, NodeToIdMap* nodesMap);
void unbind(Node* node, NodeToIdMap* nodesMap);
bool pushDocumentToFrontend();
ScriptObject buildObjectForAttributeStyles(Element* element);
ScriptArray buildArrayForCSSRules(Document* ownerDocument, CSSRuleList*);
ScriptArray buildArrayForPseudoElements(Element* element, bool authorOnly);
ScriptObject buildObjectForNode(Node* node, int depth, NodeToIdMap* nodesMap);
ScriptArray buildArrayForElementAttributes(Element* element);
ScriptArray buildArrayForContainerChildren(Node* container, int depth, NodeToIdMap* nodesMap);
ScriptObject buildObjectForEventListener(const RegisteredEventListener& registeredEventListener, const AtomicString& eventType, Node* node);
// 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.
Node* innerFirstChild(Node* node);
Node* innerNextSibling(Node* node);
Node* innerPreviousSibling(Node* node);
unsigned innerChildNodeCount(Node* node);
Node* innerParentNode(Node* node);
bool isWhitespace(Node* node);
Document* mainFrameDocument() const;
String documentURLString(Document* document) const;
InspectorCSSStore* cssStore() { return m_cssStore; }
ScriptObject buildObjectForStyle(CSSStyleDeclaration*, bool bind);
void populateObjectWithStyleProperties(CSSStyleDeclaration*, ScriptObject& result);
ScriptArray buildArrayForDisabledStyleProperties(DisabledStyleDeclaration*);
ScriptObject buildObjectForRule(Document* ownerDocument, CSSStyleRule*);
ScriptObject buildObjectForStyleSheet(Document* ownerDocument, CSSStyleSheet*);
Vector<String> longhandProperties(CSSStyleDeclaration*, const String& shorthandProperty);
String shorthandValue(CSSStyleDeclaration*, const String& shorthandProperty);
String shorthandPriority(CSSStyleDeclaration*, const String& shorthandProperty);
bool ruleAffectsNode(CSSStyleRule*, Node*);
ScriptArray toArray(const Vector<String>& data);
void discardBindings();
InspectorCSSStore* m_cssStore;
InspectorFrontend* m_frontend;
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;
};
} // namespace WebCore
#endif // !defined(InspectorDOMAgent_h)
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