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 PromiseTracker_h 6 #define PromiseTracker_h 7 8 #include "core/InspectorTypeBuilder.h" 9 #include "platform/heap/Handle.h" 10 #include "wtf/HashMap.h" 11 #include "wtf/Noncopyable.h" 12 #include "wtf/RefPtr.h" 13 #include "wtf/Vector.h" 14 #include <v8.h> 15 16 namespace blink { 17 18 class ScriptState; 19 class ScriptValue; 20 21 class PromiseTracker FINAL : public NoBaseWillBeGarbageCollected<PromiseTracker> { 22 WTF_MAKE_NONCOPYABLE(PromiseTracker); 23 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(PromiseTracker); 24 public: 25 static PassOwnPtrWillBeRawPtr<PromiseTracker> create() 26 { 27 return adoptPtrWillBeNoop(new PromiseTracker()); 28 } 29 30 bool isEnabled() const { return m_isEnabled; } 31 void setEnabled(bool); 32 33 void clear(); 34 35 void didReceiveV8PromiseEvent(ScriptState*, v8::Handle<v8::Object> promise, v8::Handle<v8::Value> parentPromise, int status); 36 37 PassRefPtr<TypeBuilder::Array<TypeBuilder::Debugger::PromiseDetails> > promises(); 38 ScriptValue promiseById(int promiseId) const; 39 40 class PromiseData; 41 42 typedef WillBeHeapVector<RefPtrWillBeMember<PromiseData> > PromiseDataVector; 43 typedef WillBeHeapHashMap<int, PromiseDataVector> PromiseDataMap; 44 45 void trace(Visitor*); 46 47 PromiseDataMap& promiseDataMap() { return m_promiseDataMap; } 48 49 private: 50 PromiseTracker(); 51 52 int circularSequentialId(); 53 PassRefPtrWillBeRawPtr<PromiseData> createPromiseDataIfNeeded(ScriptState*, v8::Handle<v8::Object> promise); 54 55 int m_circularSequentialId; 56 PromiseDataMap m_promiseDataMap; 57 bool m_isEnabled; 58 }; 59 60 } // namespace blink 61 62 #endif // !defined(PromiseTracker_h) 63
