Source/bindings/core/v8/inspector/InspectorWrapper.h - Issue 1168003002: Revert "Oilpan: fix build after r196583."

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Issue 1168003002: Revert "Oilpan: fix build after r196583." (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 5 years, 6 months ago

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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 InspectorWrapper_h

6 #define InspectorWrapper_h

7

8 #include "platform/heap/Handle.h"

9 #include "wtf/PassRefPtr.h"

10 #include "wtf/RefPtr.h"

11 #include "wtf/Vector.h"

12 #include <v8.h>

13

14 namespace blink {

15

16 class InspectorWrapperBase {

17 public:

18 struct V8MethodConfiguration {

19 const char* name;

20 v8::FunctionCallback callback;

21 };

22

23 struct V8AttributeConfiguration {

24 const char* name;

25 v8::AccessorNameGetterCallback callback;

26 };

27

28 static v8::Local<v8::FunctionTemplate> createWrapperTemplate(v8::Isolate, c onst char className, const Vector<V8MethodConfiguration>& methods, const Vector <V8AttributeConfiguration>& attributes);

29

30 protected:

31 static v8::Local<v8::Object> createWrapper(v8::Local<v8::FunctionTemplate>, v8::Local<v8::Context>);

32 static void* unwrap(v8::Local<v8::Object>, const char* name);

33

34 static v8::Local<v8::String> v8InternalizedString(v8::Isolate, const char name);

35 };

36

37 template<typename T, bool = IsGarbageCollectedType<T>::value>

38 class InspectorWrapperTypeTrait {

39 public:

40 using PassType = PassRefPtr<T>;

41 using Type = RefPtr<T>;

42 };

43

44 template<typename T>

45 class InspectorWrapperTypeTrait<T, true> {

46 public:

47 using PassType = PassRefPtrWillBeRawPtr<T>;

48 using Type = RefPtrWillBeRawPtr<T>;

49 };

50

51 template<class T, char* const hiddenPropertyName, char* const className>

52 class InspectorWrapper final : public InspectorWrapperBase {

53 public:

54 class WeakCallbackData final {

55 public:

56 WeakCallbackData(v8::Isolate* isolate, typename InspectorWrapperTypeTrai t<T>::PassType impl, v8::Local<v8::Object> wrapper)

57 : m_impl(impl)

58 , m_persistent(isolate, wrapper)

59 {

60 m_persistent.SetWeak(this, &WeakCallbackData::weakCallback, v8::Weak CallbackType::kParameter);

61 }

62

63 typename InspectorWrapperTypeTrait<T>::Type m_impl;

64

65 private:

66 static void weakCallback(const v8::WeakCallbackInfo<WeakCallbackData>& i nfo)

67 {

68 delete info.GetParameter();

69 }

70

71 v8::Global<v8::Object> m_persistent;

72 };

73

74 static v8::Local<v8::FunctionTemplate> createWrapperTemplate(v8::Isolate* is olate, const Vector<V8MethodConfiguration>& methods, const Vector<V8AttributeCon figuration>& attributes)

75 {

76 return InspectorWrapperBase::createWrapperTemplate(isolate, className, m ethods, attributes);

77 }

78

79 static v8::Local<v8::Object> wrap(v8::Local<v8::FunctionTemplate> constructo rTemplate, v8::Local<v8::Context> context, typename blink::InspectorWrapperTypeT rait<T>::PassType object)

80 {

81 v8::Context::Scope contextScope(context);

82 v8::Local<v8::Object> result = InspectorWrapperBase::createWrapper(const ructorTemplate, context);

83 if (result.IsEmpty())

84 return v8::Local<v8::Object>();

85 typename blink::InspectorWrapperTypeTrait<T>::Type impl(object);

86 v8::Isolate* isolate = context->GetIsolate();

87 v8::Local<v8::External> objectReference = v8::External::New(isolate, new WeakCallbackData(isolate, impl, result));

88 result->SetHiddenValue(v8InternalizedString(isolate, hiddenPropertyName) , objectReference);

89 return result;

90 }

91 static T* unwrap(v8::Local<v8::Object> object)

92 {

93 void* data = InspectorWrapperBase::unwrap(object, hiddenPropertyName);

94 if (!data)

95 return nullptr;

96 return reinterpret_cast<WeakCallbackData*>(data)->m_impl.get();

97 }

98 };

99

100 } // namespace blink

101

102 #endif // InspectorWrapper_h

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