ac3ce51d3b7ae7dee6d5126b677d7def97e6c703
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / inspector / InspectorHeapProfilerAgent.h
1 /*
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11  * copyright notice, this list of conditions and the following disclaimer
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16  * this software without specific prior written permission.
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30
31 #ifndef InspectorHeapProfilerAgent_h
32 #define InspectorHeapProfilerAgent_h
33
34 #include "core/InspectorFrontend.h"
35 #include "core/inspector/InspectorBaseAgent.h"
36 #include "wtf/Forward.h"
37 #include "wtf/HashMap.h"
38 #include "wtf/Noncopyable.h"
39 #include "wtf/OwnPtr.h"
40 #include "wtf/PassOwnPtr.h"
41 #include "wtf/text/WTFString.h"
42
43 namespace blink {
44
45 class InjectedScriptManager;
46 class HeapStatsUpdateTask;
47 class ScriptHeapSnapshot;
48
49 typedef String ErrorString;
50
51 class InspectorHeapProfilerAgent FINAL : public InspectorBaseAgent<InspectorHeapProfilerAgent>, public InspectorBackendDispatcher::HeapProfilerCommandHandler {
52     WTF_MAKE_NONCOPYABLE(InspectorHeapProfilerAgent);
53     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
54 public:
55     static PassOwnPtrWillBeRawPtr<InspectorHeapProfilerAgent> create(InjectedScriptManager*);
56     virtual ~InspectorHeapProfilerAgent();
57     virtual void trace(Visitor*) OVERRIDE;
58
59     virtual void collectGarbage(ErrorString*) OVERRIDE;
60
61     virtual void enable(ErrorString*) OVERRIDE;
62     virtual void disable(ErrorString*) OVERRIDE;
63     virtual void startTrackingHeapObjects(ErrorString*, const bool* trackAllocations) OVERRIDE;
64     virtual void stopTrackingHeapObjects(ErrorString*, const bool* reportProgress) OVERRIDE;
65
66     virtual void setFrontend(InspectorFrontend*) OVERRIDE;
67     virtual void clearFrontend() OVERRIDE;
68     virtual void restore() OVERRIDE;
69
70     virtual void takeHeapSnapshot(ErrorString*, const bool* reportProgress) OVERRIDE;
71
72     virtual void getObjectByHeapObjectId(ErrorString*, const String& heapSnapshotObjectId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result) OVERRIDE;
73     virtual void getHeapObjectId(ErrorString*, const String& objectId, String* heapSnapshotObjectId) OVERRIDE;
74
75 private:
76     class HeapStatsStream;
77     class HeapStatsUpdateTask;
78
79     explicit InspectorHeapProfilerAgent(InjectedScriptManager*);
80
81     void requestHeapStatsUpdate();
82     void pushHeapStatsUpdate(const uint32_t* const data, const int size);
83
84     void startTrackingHeapObjectsInternal(bool trackAllocations);
85     void stopTrackingHeapObjectsInternal();
86
87     RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
88     InspectorFrontend::HeapProfiler* m_frontend;
89     unsigned m_nextUserInitiatedHeapSnapshotNumber;
90     OwnPtrWillBeMember<HeapStatsUpdateTask> m_heapStatsUpdateTask;
91 };
92
93 } // namespace blink
94
95
96 #endif // !defined(InspectorHeapProfilerAgent_h)