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1 /* | |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef RetainedDOMInfo_h | |
32 #define RetainedDOMInfo_h | |
33 | |
34 #include "bindings/v8/RetainedObjectInfo.h" | |
35 #include <v8-profiler.h> | |
36 | |
37 namespace WebCore { | |
38 | |
39 class Node; | |
40 | |
41 // Implements v8::RetainedObjectInfo. | |
42 class RetainedDOMInfo FINAL : public RetainedObjectInfo { | |
43 public: | |
44 explicit RetainedDOMInfo(Node* root); | |
45 virtual ~RetainedDOMInfo(); | |
46 virtual void Dispose() OVERRIDE; | |
47 virtual bool IsEquivalent(v8::RetainedObjectInfo* other) OVERRIDE; | |
48 virtual intptr_t GetHash() OVERRIDE; | |
49 virtual const char* GetGroupLabel() OVERRIDE; | |
50 virtual const char* GetLabel() OVERRIDE; | |
51 virtual intptr_t GetElementCount() OVERRIDE; | |
52 virtual intptr_t GetEquivalenceClass() OVERRIDE; | |
53 | |
54 private: | |
55 // V8 guarantees to keep RetainedObjectInfos alive only during a GC or heap
snapshotting round, when renderer | |
56 // doesn't get control. This allows us to use raw pointers. | |
57 Node* m_root; | |
58 }; | |
59 | |
60 } // namespace WebCore | |
61 | |
62 #endif // RetainedDOMInfo_h | |
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