src/third_party/WebKit/Source/core/inspector/PromiseTracker.h

   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)