third_party/WebKit/Source/platform/v8_inspector/InspectorWrapper.h - Issue 1924713002: [DevTools] Removed InjectedScriptHost

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Issue 1924713002: [DevTools] Removed InjectedScriptHost (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@move-inspect-to-native

Patch Set: Created 4 years, 7 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/inspector_protocol/Collections.h"

9 #include <v8.h>

10

11 namespace blink {

12

13 class InspectorWrapperBase {

14 public:

15 struct V8MethodConfiguration {

16 const char* name;

17 v8::FunctionCallback callback;

18 };

19

20 struct V8AttributeConfiguration {

21 const char* name;

22 v8::AccessorNameGetterCallback callback;

23 };

24

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

26

27 protected:

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

29 static void* unwrap(v8::Local<v8::Context>, v8::Local<v8::Object>, const cha r* name);

30

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

32 };

33

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

35 class InspectorWrapper final : public InspectorWrapperBase {

36 public:

37 class WeakCallbackData final {

38 public:

39 WeakCallbackData(v8::Isolate* isolate, T* impl, v8::Local<v8::Object> wr apper)

40 : m_impl(impl)

41 , m_persistent(isolate, wrapper)

42 {

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

44 }

45

46 T* m_impl;

47 OwnPtr<T> m_implOwn;

48

49 private:

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

51 {

52 delete info.GetParameter();

53 }

54

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

56 };

57

58 static v8::Local<v8::FunctionTemplate> createWrapperTemplate(v8::Isolate* is olate, const protocol::Vector<V8MethodConfiguration>& methods, const protocol::V ector<V8AttributeConfiguration>& attributes)

59 {

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

61 }

62

63 static v8::Local<v8::Object> wrap(v8::Local<v8::FunctionTemplate> constructo rTemplate, v8::Local<v8::Context> context, T* object)

64 {

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

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

67 if (result.IsEmpty())

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

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

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

71

72 v8::Local<v8::Private> privateKey = v8::Private::ForApi(isolate, v8::Str ing::NewFromUtf8(isolate, hiddenPropertyName, v8::NewStringType::kInternalized). ToLocalChecked());

73 result->SetPrivate(context, privateKey, objectReference);

74 return result;

75 }

76

77 static T* unwrap(v8::Local<v8::Context> context, v8::Local<v8::Object> objec t)

78 {

79 void* data = InspectorWrapperBase::unwrap(context, object, hiddenPropert yName);

80 if (!data)

81 return nullptr;

82 return reinterpret_cast<WeakCallbackData*>(data)->m_impl;

83 }

84 };

85

86 } // namespace blink

87

88 #endif // InspectorWrapper_h

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