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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef AsyncCallChainMap_h | |
6 #define AsyncCallChainMap_h | |
7 | |
8 #include "core/inspector/AsyncCallChain.h" | |
9 #include "core/inspector/InspectorDebuggerAgent.h" | |
10 #include "platform/heap/Handle.h" | |
11 #include "wtf/HashMap.h" | |
12 #include "wtf/PassRefPtr.h" | |
13 #include "wtf/RefPtr.h" | |
14 | |
15 namespace blink { | |
16 | |
17 template <class K> | |
18 class AsyncCallChainMap final { | |
19 ALLOW_ONLY_INLINE_ALLOCATION(); | |
20 public: | |
21 using MapType = WillBeHeapHashMap<K, int>; | |
22 explicit AsyncCallChainMap(InspectorDebuggerAgent* debuggerAgent) | |
23 : m_debuggerAgent(debuggerAgent) | |
24 { | |
25 } | |
26 | |
27 ~AsyncCallChainMap() | |
28 { | |
29 // Verify that this object has been explicitly disposed. | |
30 ASSERT(hasBeenDisposed()); | |
31 } | |
32 | |
33 #if ENABLE(ASSERT) | |
34 bool hasBeenDisposed() const | |
35 { | |
36 return !m_debuggerAgent; | |
37 } | |
38 #endif | |
39 | |
40 void dispose() | |
41 { | |
42 clear(); | |
43 m_debuggerAgent = nullptr; | |
44 } | |
45 | |
46 void clear() | |
47 { | |
48 ASSERT(m_debuggerAgent); | |
49 for (auto it : m_asyncCallChains) | |
50 m_debuggerAgent->traceAsyncOperationCompleted(it.value); | |
51 m_asyncCallChains.clear(); | |
52 } | |
53 | |
54 void set(typename MapType::KeyPeekInType key, int operationId) | |
55 { | |
56 m_asyncCallChains.set(key, operationId); | |
57 } | |
58 | |
59 bool contains(typename MapType::KeyPeekInType key) const | |
60 { | |
61 return m_asyncCallChains.contains(key); | |
62 } | |
63 | |
64 int get(typename MapType::KeyPeekInType key) const | |
65 { | |
66 return m_asyncCallChains.get(key); | |
67 } | |
68 | |
69 void remove(typename MapType::KeyPeekInType key) | |
70 { | |
71 ASSERT(m_debuggerAgent); | |
72 int operationId = m_asyncCallChains.take(key); | |
73 if (operationId) | |
74 m_debuggerAgent->traceAsyncOperationCompleted(operationId); | |
75 } | |
76 | |
77 void trace(Visitor* visitor) | |
78 { | |
79 visitor->trace(m_debuggerAgent); | |
80 visitor->trace(m_asyncCallChains); | |
81 } | |
82 | |
83 private: | |
84 RawPtrWillBeMember<InspectorDebuggerAgent> m_debuggerAgent; | |
85 MapType m_asyncCallChains; | |
86 }; | |
87 | |
88 } // namespace blink | |
89 | |
90 | |
91 #endif // AsyncCallChainMap_h | |
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