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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef ScriptPromise_h | |
| 32 #define ScriptPromise_h | |
| 33 | |
| 34 #include "bindings/v8/ScriptFunction.h" | |
| 35 #include "bindings/v8/ScriptValue.h" | |
| 36 #include "platform/heap/Handle.h" | |
| 37 #include "wtf/PassOwnPtr.h" | |
| 38 #include "wtf/PassRefPtr.h" | |
| 39 #include <v8.h> | |
| 40 | |
| 41 namespace WebCore { | |
| 42 | |
| 43 class DOMException; | |
| 44 | |
| 45 // ScriptPromise is the class for representing Promise values in C++ world. | |
| 46 // ScriptPromise holds a Promise. | |
| 47 // So holding a ScriptPromise as a member variable in DOM object causes | |
| 48 // memory leaks since it has a reference from C++ to V8. | |
| 49 // | |
| 50 class ScriptPromise FINAL { | |
| 51 public: | |
| 52 // Constructs an empty promise. | |
| 53 ScriptPromise() { } | |
| 54 | |
| 55 // Constructs a ScriptPromise from |promise|. | |
| 56 // If |promise| is not a Promise object, throws a v8 TypeError. | |
| 57 ScriptPromise(ScriptState*, v8::Handle<v8::Value> promise); | |
| 58 | |
| 59 ScriptPromise then(PassOwnPtr<ScriptFunction> onFulfilled, PassOwnPtr<Script
Function> onRejected = PassOwnPtr<ScriptFunction>()); | |
| 60 | |
| 61 bool isObject() const | |
| 62 { | |
| 63 return m_promise.isObject(); | |
| 64 } | |
| 65 | |
| 66 bool isNull() const | |
| 67 { | |
| 68 return m_promise.isNull(); | |
| 69 } | |
| 70 | |
| 71 bool isUndefinedOrNull() const | |
| 72 { | |
| 73 return m_promise.isUndefined() || m_promise.isNull(); | |
| 74 } | |
| 75 | |
| 76 v8::Handle<v8::Value> v8Value() const | |
| 77 { | |
| 78 return m_promise.v8Value(); | |
| 79 } | |
| 80 | |
| 81 v8::Isolate* isolate() const | |
| 82 { | |
| 83 return m_promise.isolate(); | |
| 84 } | |
| 85 | |
| 86 bool isEmpty() const | |
| 87 { | |
| 88 return m_promise.isEmpty(); | |
| 89 } | |
| 90 | |
| 91 void clear() | |
| 92 { | |
| 93 m_promise.clear(); | |
| 94 } | |
| 95 | |
| 96 // Constructs and returns a ScriptPromise from |value|. | |
| 97 // if |value| is not a Promise object, returns a Promise object | |
| 98 // resolved with |value|. | |
| 99 // Returns |value| itself if it is a Promise. | |
| 100 static ScriptPromise cast(ScriptState*, const ScriptValue& /*value*/); | |
| 101 static ScriptPromise cast(ScriptState*, v8::Handle<v8::Value> /*value*/); | |
| 102 | |
| 103 static ScriptPromise reject(ScriptState*, const ScriptValue&); | |
| 104 static ScriptPromise reject(ScriptState*, v8::Handle<v8::Value>); | |
| 105 | |
| 106 static ScriptPromise rejectWithDOMException(ScriptState*, PassRefPtrWillBeRa
wPtr<DOMException>); | |
| 107 | |
| 108 // This is a utility class intended to be used internally. | |
| 109 // ScriptPromiseResolver is for general purpose. | |
| 110 class InternalResolver FINAL { | |
| 111 public: | |
| 112 explicit InternalResolver(ScriptState*); | |
| 113 v8::Local<v8::Promise> v8Promise() const; | |
| 114 ScriptPromise promise() const; | |
| 115 void resolve(v8::Local<v8::Value>); | |
| 116 void reject(v8::Local<v8::Value>); | |
| 117 void clear() { m_resolver.clear(); } | |
| 118 | |
| 119 private: | |
| 120 ScriptValue m_resolver; | |
| 121 }; | |
| 122 | |
| 123 private: | |
| 124 RefPtr<ScriptState> m_scriptState; | |
| 125 ScriptValue m_promise; | |
| 126 }; | |
| 127 | |
| 128 } // namespace WebCore | |
| 129 | |
| 130 | |
| 131 #endif // ScriptPromise_h | |
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Chromium Code Reviews
Issue 351423002:
Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk