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1 // Copyright 2015 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 PerformanceObserver_h | |
6 #define PerformanceObserver_h | |
7 | |
8 #include "bindings/core/v8/ScriptWrappable.h" | |
9 #include "core/timing/PerformanceEntry.h" | |
10 #include "platform/heap/Handle.h" | |
11 #include "wtf/HashSet.h" | |
12 #include "wtf/PassOwnPtr.h" | |
13 #include "wtf/PassRefPtr.h" | |
14 #include "wtf/RefCounted.h" | |
15 #include "wtf/RefPtr.h" | |
16 #include "wtf/Vector.h" | |
17 | |
18 namespace blink { | |
19 | |
20 class ExceptionState; | |
21 class PerformanceBase; | |
22 class PerformanceObserverCallback; | |
23 class PerformanceObserver; | |
24 class PerformanceObserverInit; | |
25 | |
26 using PerformanceEntryVector = HeapVector<Member<PerformanceEntry>>; | |
27 | |
28 class PerformanceObserver final : public GarbageCollectedFinalized<PerformanceOb server>, public ScriptWrappable { | |
29 DEFINE_WRAPPERTYPEINFO(); | |
30 friend class PerformanceBase; | |
31 public: | |
32 static PerformanceObserver* create(PerformanceBase*, PerformanceObserverCall back*); | |
33 static void resumeSuspendedObservers(); | |
34 | |
35 ~PerformanceObserver(); | |
36 | |
37 void observe(const PerformanceObserverInit&, ExceptionState&); | |
38 void disconnect(); | |
39 void enqueuePerformanceEntry(PerformanceEntry&); | |
40 PerformanceEntryTypeMask filterOptions() { return m_filterOptions; } | |
esprehn
2015/09/09 22:41:40
const
MikeB
2015/09/10 19:53:01
Done.
| |
41 | |
42 // Eagerly finalized as destructor accesses heap object members. | |
43 EAGERLY_FINALIZE(); | |
44 DECLARE_TRACE(); | |
45 | |
46 private: | |
47 explicit PerformanceObserver(PerformanceBase*, PerformanceObserverCallback*) ; | |
48 void deliver(); | |
49 bool shouldBeSuspended() const; | |
50 | |
51 Member<PerformanceObserverCallback> m_callback; | |
52 WeakMember<PerformanceBase> m_performance; | |
53 PerformanceEntryVector m_performanceEntries; | |
54 PerformanceEntryTypeMask m_filterOptions; | |
55 bool m_isRegistered; | |
56 }; | |
57 | |
58 } // namespace blink | |
59 | |
60 #endif // PerformanceObserver_h | |
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