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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 class DOMException; | 42 class DOMException; |
43 | 43 |
44 // ScriptPromise is the class for representing Promise values in C++ world. | 44 // ScriptPromise is the class for representing Promise values in C++ world. |
45 // ScriptPromise holds a Promise. | 45 // ScriptPromise holds a Promise. |
46 // So holding a ScriptPromise as a member variable in DOM object causes | 46 // So holding a ScriptPromise as a member variable in DOM object causes |
47 // memory leaks since it has a reference from C++ to V8. | 47 // memory leaks since it has a reference from C++ to V8. |
48 // | 48 // |
49 class ScriptPromise FINAL { | 49 class ScriptPromise final { |
50 public: | 50 public: |
51 // Constructs an empty promise. | 51 // Constructs an empty promise. |
52 ScriptPromise() { } | 52 ScriptPromise() { } |
53 | 53 |
54 // Constructs a ScriptPromise from |promise|. | 54 // Constructs a ScriptPromise from |promise|. |
55 // If |promise| is not a Promise object, throws a v8 TypeError. | 55 // If |promise| is not a Promise object, throws a v8 TypeError. |
56 ScriptPromise(ScriptState*, v8::Handle<v8::Value> promise); | 56 ScriptPromise(ScriptState*, v8::Handle<v8::Value> promise); |
57 | 57 |
58 ScriptPromise then(v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Func
tion> onRejected = v8::Handle<v8::Function>()); | 58 ScriptPromise then(v8::Handle<v8::Function> onFulfilled, v8::Handle<v8::Func
tion> onRejected = v8::Handle<v8::Function>()); |
59 | 59 |
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111 | 111 |
112 static ScriptPromise reject(ScriptState*, const ScriptValue&); | 112 static ScriptPromise reject(ScriptState*, const ScriptValue&); |
113 static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>); | 113 static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>); |
114 | 114 |
115 static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRa
wPtr<DOMException>); | 115 static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRa
wPtr<DOMException>); |
116 | 116 |
117 static v8::Local<v8::Promise> rejectRaw(v8::Isolate*, v8::Handle<v8::Value>)
; | 117 static v8::Local<v8::Promise> rejectRaw(v8::Isolate*, v8::Handle<v8::Value>)
; |
118 | 118 |
119 // This is a utility class intended to be used internally. | 119 // This is a utility class intended to be used internally. |
120 // ScriptPromiseResolver is for general purpose. | 120 // ScriptPromiseResolver is for general purpose. |
121 class InternalResolver FINAL { | 121 class InternalResolver final { |
122 public: | 122 public: |
123 explicit InternalResolver(ScriptState*); | 123 explicit InternalResolver(ScriptState*); |
124 v8::Local<v8::Promise> v8Promise() const; | 124 v8::Local<v8::Promise> v8Promise() const; |
125 ScriptPromise promise() const; | 125 ScriptPromise promise() const; |
126 void resolve(v8::Local<v8::Value>); | 126 void resolve(v8::Local<v8::Value>); |
127 void reject(v8::Local<v8::Value>); | 127 void reject(v8::Local<v8::Value>); |
128 void clear() { m_resolver.clear(); } | 128 void clear() { m_resolver.clear(); } |
129 | 129 |
130 private: | 130 private: |
131 ScriptValue m_resolver; | 131 ScriptValue m_resolver; |
132 }; | 132 }; |
133 | 133 |
134 private: | 134 private: |
135 RefPtr<ScriptState> m_scriptState; | 135 RefPtr<ScriptState> m_scriptState; |
136 ScriptValue m_promise; | 136 ScriptValue m_promise; |
137 }; | 137 }; |
138 | 138 |
139 } // namespace blink | 139 } // namespace blink |
140 | 140 |
141 | 141 |
142 #endif // ScriptPromise_h | 142 #endif // ScriptPromise_h |
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