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1 /* | |
2 * Copyright (C) 2013 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 AsyncCallStackTracker_h | |
32 #define AsyncCallStackTracker_h | |
33 | |
34 #include "bindings/v8/ScriptValue.h" | |
35 #include "wtf/FastAllocBase.h" | |
36 #include "wtf/HashMap.h" | |
37 #include "wtf/HashSet.h" | |
38 #include "wtf/Noncopyable.h" | |
39 #include "wtf/PassRefPtr.h" | |
40 #include "wtf/RefPtr.h" | |
41 | |
42 namespace WebCore { | |
43 | |
44 class AsyncCallStack : public RefCounted<AsyncCallStack> { | |
45 private: | |
46 friend class AsyncCallStackTracker; | |
yurys
2013/11/20 01:23:43
It seems that this class and the iterator should b
aandrey
2013/11/20 15:20:02
Done.
| |
47 friend class AsyncCallStackIterator; | |
48 explicit AsyncCallStack(const RefPtr<AsyncCallStack>& next); | |
yurys
2013/11/20 01:23:43
const RefPtr<AsyncCallStack>& -> AsyncCallStack*
aandrey
2013/11/20 15:20:02
Done.
| |
49 | |
50 ScriptValue m_callFrames; | |
51 RefPtr<AsyncCallStack> m_next; | |
52 int m_pathCount; | |
53 }; | |
54 | |
55 class AsyncCallStackIterator { | |
56 public: | |
57 bool hasNext() const; | |
58 ScriptValue next(); | |
59 | |
60 private: | |
61 friend class AsyncCallStackTracker; | |
62 AsyncCallStackIterator(const RefPtr<AsyncCallStack>& head, const RefPtr<Asyn cCallStack>& tail); | |
yurys
2013/11/20 01:23:43
Same thing, please use raw pointers instead of con
aandrey
2013/11/20 15:20:02
Done.
| |
63 RefPtr<AsyncCallStack> m_head; | |
64 RefPtr<AsyncCallStack> m_tail; | |
65 }; | |
66 | |
67 class AsyncCallStackTracker { | |
68 WTF_MAKE_NONCOPYABLE(AsyncCallStackTracker); WTF_MAKE_FAST_ALLOCATED; | |
69 public: | |
70 AsyncCallStackTracker(); | |
71 | |
72 inline bool isEnabled() const { return m_maxAsyncCallStackDepth; } | |
73 void setMaxAsyncCallStackDepth(int); | |
74 AsyncCallStackIterator currentAsyncCallStack(); | |
75 | |
76 void didInstallTimer(int timerId, bool singleShot); | |
77 void didRemoveTimer(int timerId); | |
78 void willFireTimer(int timerId); | |
79 | |
80 void didRequestAnimationFrame(int callbackId); | |
81 void didCancelAnimationFrame(int callbackId); | |
82 void willFireAnimationFrame(int callbackId); | |
83 | |
84 void didAsyncCall(); | |
85 void didRequestAsyncCallFrames(ScriptValue callFrames); | |
86 | |
87 void clear(); | |
88 | |
89 private: | |
90 const RefPtr<AsyncCallStack>& requestAsyncCallStack(); | |
yurys
2013/11/20 01:23:43
Should return raw pointer or PassRefPtr instead.
aandrey
2013/11/20 15:20:02
Done.
| |
91 void setCurrentAsyncCallStack(PassRefPtr<AsyncCallStack>, int delta); | |
92 void modifyPathCount(PassRefPtr<AsyncCallStack>, int delta); | |
93 | |
94 int m_maxAsyncCallStackDepth; | |
95 int m_currentAsyncCallStackDelta; | |
96 RefPtr<AsyncCallStack> m_currentAsyncCallStack; | |
97 RefPtr<AsyncCallStack> m_requestedAsyncCallStack; | |
98 HashSet<int> m_intervalTimerIds; | |
99 HashMap<int, RefPtr<AsyncCallStack> > m_timerCallStacks; | |
100 HashMap<int, RefPtr<AsyncCallStack> > m_animationFrameCallStacks; | |
101 }; | |
102 | |
103 } // namespace WebCore | |
104 | |
105 #endif // !defined(AsyncCallStackTracker_h) | |
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