| OLD | NEW |
| 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 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef ScriptPromise_h | 31 #ifndef ScriptPromise_h |
| 32 #define ScriptPromise_h | 32 #define ScriptPromise_h |
| 33 | 33 |
| 34 #include "bindings/core/v8/ScriptFunction.h" | 34 #include "bindings/core/v8/ScriptFunction.h" |
| 35 #include "bindings/core/v8/ScriptValue.h" | 35 #include "bindings/core/v8/ScriptValue.h" |
| 36 #include "core/CoreExport.h" | 36 #include "core/CoreExport.h" |
| 37 #include "platform/heap/Handle.h" | 37 #include "platform/heap/Handle.h" |
| 38 #include "wtf/Allocator.h" |
| 38 #include "wtf/PassRefPtr.h" | 39 #include "wtf/PassRefPtr.h" |
| 39 #include "wtf/Vector.h" | 40 #include "wtf/Vector.h" |
| 40 #include <v8.h> | 41 #include <v8.h> |
| 41 | 42 |
| 42 namespace blink { | 43 namespace blink { |
| 43 | 44 |
| 44 class DOMException; | 45 class DOMException; |
| 45 | 46 |
| 46 // ScriptPromise is the class for representing Promise values in C++ world. | 47 // ScriptPromise is the class for representing Promise values in C++ world. |
| 47 // ScriptPromise holds a Promise. | 48 // ScriptPromise holds a Promise. |
| 48 // So holding a ScriptPromise as a member variable in DOM object causes | 49 // So holding a ScriptPromise as a member variable in DOM object causes |
| 49 // memory leaks since it has a reference from C++ to V8. | 50 // memory leaks since it has a reference from C++ to V8. |
| 50 // | 51 // |
| 51 class CORE_EXPORT ScriptPromise final { | 52 class CORE_EXPORT ScriptPromise final { |
| 53 ALLOW_ONLY_INLINE_ALLOCATION(); |
| 52 public: | 54 public: |
| 53 // Constructs an empty promise. | 55 // Constructs an empty promise. |
| 54 ScriptPromise(); | 56 ScriptPromise(); |
| 55 | 57 |
| 56 // Constructs a ScriptPromise from |promise|. | 58 // Constructs a ScriptPromise from |promise|. |
| 57 // If |promise| is not a Promise object, throws a v8 TypeError. | 59 // If |promise| is not a Promise object, throws a v8 TypeError. |
| 58 ScriptPromise(ScriptState*, v8::Local<v8::Value> promise); | 60 ScriptPromise(ScriptState*, v8::Local<v8::Value> promise); |
| 59 | 61 |
| 60 ScriptPromise(const ScriptPromise&); | 62 ScriptPromise(const ScriptPromise&); |
| 61 | 63 |
| (...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 133 static v8::Local<v8::Promise> rejectRaw(ScriptState*, v8::Local<v8::Value>); | 135 static v8::Local<v8::Promise> rejectRaw(ScriptState*, v8::Local<v8::Value>); |
| 134 | 136 |
| 135 // Constructs and returns a ScriptPromise to be resolved when all |promises| | 137 // Constructs and returns a ScriptPromise to be resolved when all |promises| |
| 136 // are resolved. If one of |promises| is rejected, the returned | 138 // are resolved. If one of |promises| is rejected, the returned |
| 137 // ScriptPromise is rejected. | 139 // ScriptPromise is rejected. |
| 138 static ScriptPromise all(ScriptState*, const Vector<ScriptPromise>& promises
); | 140 static ScriptPromise all(ScriptState*, const Vector<ScriptPromise>& promises
); |
| 139 | 141 |
| 140 // This is a utility class intended to be used internally. | 142 // This is a utility class intended to be used internally. |
| 141 // ScriptPromiseResolver is for general purpose. | 143 // ScriptPromiseResolver is for general purpose. |
| 142 class CORE_EXPORT InternalResolver final { | 144 class CORE_EXPORT InternalResolver final { |
| 145 DISALLOW_ALLOCATION(); |
| 143 public: | 146 public: |
| 144 explicit InternalResolver(ScriptState*); | 147 explicit InternalResolver(ScriptState*); |
| 145 v8::Local<v8::Promise> v8Promise() const; | 148 v8::Local<v8::Promise> v8Promise() const; |
| 146 ScriptPromise promise() const; | 149 ScriptPromise promise() const; |
| 147 void resolve(v8::Local<v8::Value>); | 150 void resolve(v8::Local<v8::Value>); |
| 148 void reject(v8::Local<v8::Value>); | 151 void reject(v8::Local<v8::Value>); |
| 149 void clear() { m_resolver.clear(); } | 152 void clear() { m_resolver.clear(); } |
| 150 | 153 |
| 151 private: | 154 private: |
| 152 ScriptValue m_resolver; | 155 ScriptValue m_resolver; |
| 153 }; | 156 }; |
| 154 | 157 |
| 155 private: | 158 private: |
| 156 static void increaseInstanceCount(); | 159 static void increaseInstanceCount(); |
| 157 static void decreaseInstanceCount(); | 160 static void decreaseInstanceCount(); |
| 158 | 161 |
| 159 RefPtr<ScriptState> m_scriptState; | 162 RefPtr<ScriptState> m_scriptState; |
| 160 ScriptValue m_promise; | 163 ScriptValue m_promise; |
| 161 }; | 164 }; |
| 162 | 165 |
| 163 } // namespace blink | 166 } // namespace blink |
| 164 | 167 |
| 165 | 168 |
| 166 #endif // ScriptPromise_h | 169 #endif // ScriptPromise_h |
| OLD | NEW |