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/*
* 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 InspectorTimelineAgent_h
#define InspectorTimelineAgent_h
#if ENABLE(INSPECTOR)
#include "Document.h"
#include "ScriptExecutionContext.h"
#include "ScriptGCEvent.h"
#include "ScriptGCEventListener.h"
#include "ScriptObject.h"
#include "ScriptArray.h"
#include <wtf/Vector.h>
namespace WebCore {
class Event;
class InspectorFrontend;
class IntRect;
class ResourceRequest;
class ResourceResponse;
// Must be kept in sync with TimelineAgent.js
enum TimelineRecordType {
EventDispatchTimelineRecordType = 0,
LayoutTimelineRecordType = 1,
RecalculateStylesTimelineRecordType = 2,
PaintTimelineRecordType = 3,
ParseHTMLTimelineRecordType = 4,
TimerInstallTimelineRecordType = 5,
TimerRemoveTimelineRecordType = 6,
TimerFireTimelineRecordType = 7,
XHRReadyStateChangeRecordType = 8,
XHRLoadRecordType = 9,
EvaluateScriptTimelineRecordType = 10,
MarkTimelineRecordType = 11,
ResourceSendRequestTimelineRecordType = 12,
ResourceReceiveResponseTimelineRecordType = 13,
ResourceFinishTimelineRecordType = 14,
FunctionCallTimelineRecordType = 15,
ReceiveResourceDataTimelineRecordType = 16,
GCEventTimelineRecordType = 17,
MarkDOMContentEventType = 18,
MarkLoadEventType = 19,
ScheduleResourceRequestTimelineRecordType = 20
};
class InspectorTimelineAgent : ScriptGCEventListener, public Noncopyable {
public:
InspectorTimelineAgent(InspectorFrontend* frontend);
~InspectorTimelineAgent();
void reset();
void resetFrontendProxyObject(InspectorFrontend*);
// Methods called from WebCore.
void willCallFunction(const String& scriptName, int scriptLine);
void didCallFunction();
void willDispatchEvent(const Event&);
void didDispatchEvent();
void willLayout();
void didLayout();
void willRecalculateStyle();
void didRecalculateStyle();
void willPaint(const IntRect&);
void didPaint();
// FIXME: |length| should be passed in didWrite instead willWrite
// as the parser can not know how much it will process until it tries.
void willWriteHTML(unsigned int length, unsigned int startLine);
void didWriteHTML(unsigned int endLine);
void didInstallTimer(int timerId, int timeout, bool singleShot);
void didRemoveTimer(int timerId);
void willFireTimer(int timerId);
void didFireTimer();
void willChangeXHRReadyState(const String&, int);
void didChangeXHRReadyState();
void willLoadXHR(const String&);
void didLoadXHR();
void willEvaluateScript(const String&, int);
void didEvaluateScript();
void didMarkTimeline(const String&);
void didMarkDOMContentEvent();
void didMarkLoadEvent();
void didScheduleResourceRequest(const String& url);
void willSendResourceRequest(unsigned long, bool isMainResource, const ResourceRequest&);
void willReceiveResourceResponse(unsigned long, const ResourceResponse&);
void didReceiveResourceResponse();
void didFinishLoadingResource(unsigned long, bool didFail);
void willReceiveResourceData(unsigned long identifier);
void didReceiveResourceData();
virtual void didGC(double, double, size_t);
static int instanceCount() { return s_instanceCount; }
static InspectorTimelineAgent* retrieve(ScriptExecutionContext*);
private:
struct TimelineRecordEntry {
TimelineRecordEntry(ScriptObject record, ScriptObject data, ScriptArray children, TimelineRecordType type)
: record(record), data(data), children(children), type(type)
{
}
ScriptObject record;
ScriptObject data;
ScriptArray children;
TimelineRecordType type;
};
void pushCurrentRecord(ScriptObject, TimelineRecordType);
void setHeapSizeStatistic(ScriptObject record);
void didCompleteCurrentRecord(TimelineRecordType);
void addRecordToTimeline(ScriptObject, TimelineRecordType);
void pushGCEventRecords();
InspectorFrontend* m_frontend;
Vector<TimelineRecordEntry> m_recordStack;
static int s_instanceCount;
struct GCEvent {
GCEvent(double startTime, double endTime, size_t collectedBytes)
: startTime(startTime), endTime(endTime), collectedBytes(collectedBytes)
{
}
double startTime;
double endTime;
size_t collectedBytes;
};
typedef Vector<GCEvent> GCEvents;
GCEvents m_gcEvents;
};
inline InspectorTimelineAgent* InspectorTimelineAgent::retrieve(ScriptExecutionContext* context)
{
if (context && context->isDocument())
return static_cast<Document*>(context)->inspectorTimelineAgent();
return 0;
}
} // namespace WebCore
#endif // !ENABLE(INSPECTOR)
#endif // !defined(InspectorTimelineAgent_h)
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