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| 1 // Copyright 2014 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 DartScriptPromise_h | |
| 6 #define DartScriptPromise_h | |
| 7 | |
| 8 #include "bindings/common/AbstractScriptPromise.h" | |
| 9 #include "bindings/common/ScriptValue.h" | |
| 10 #include "bindings/core/v8/ScriptFunction.h" | |
| 11 #include "core/dom/ExceptionCode.h" | |
| 12 #include "platform/heap/Handle.h" | |
| 13 #include "wtf/PassOwnPtr.h" | |
| 14 #include "wtf/PassRefPtr.h" | |
| 15 #include "wtf/text/WTFString.h" | |
| 16 #include <dart_api.h> | |
| 17 | |
| 18 namespace blink { | |
| 19 | |
| 20 class DOMException; | |
| 21 class ExceptionState; | |
| 22 | |
| 23 class DartScriptPromise FINAL : public AbstractScriptPromise { | |
| 24 WTF_MAKE_NONCOPYABLE(DartScriptPromise); | |
| 25 public: | |
| 26 static PassRefPtr<DartScriptPromise> create() | |
| 27 { | |
| 28 return adoptRef(new DartScriptPromise()); | |
| 29 } | |
| 30 | |
| 31 static PassRefPtr<DartScriptPromise> create(DartScriptState* scriptState, Da
rt_Handle promise) | |
| 32 { | |
| 33 return adoptRef(new DartScriptPromise(scriptState, promise)); | |
| 34 } | |
| 35 | |
| 36 static void returnToDart(Dart_NativeArguments args, ScriptPromise promise, b
ool autoScope); | |
| 37 | |
| 38 private: | |
| 39 // Constructs an empty promise. | |
| 40 DartScriptPromise() : m_scriptState() , m_value(0) { } | |
| 41 | |
| 42 // Constructs a ScriptPromise from |promise|. | |
| 43 // If |promise| is not a Promise object, throws a v8 TypeError. | |
| 44 DartScriptPromise(DartScriptState*, Dart_Handle promise); | |
| 45 | |
| 46 public: | |
| 47 PassRefPtr<AbstractScriptPromise> then(PassOwnPtr<ScriptFunction> onFulfille
d, PassOwnPtr<ScriptFunction> onRejected = PassOwnPtr<ScriptFunction>()); | |
| 48 | |
| 49 bool isDartScriptPromise() const { return true; } | |
| 50 | |
| 51 bool equals(PassRefPtr<AbstractScriptPromise> other) const | |
| 52 { | |
| 53 if (!other->isDartScriptPromise()) | |
| 54 return false; | |
| 55 return *this == *static_cast<DartScriptPromise*>(other.get()); | |
| 56 } | |
| 57 | |
| 58 bool isObject() const | |
| 59 { | |
| 60 ASSERT(!isEmpty()); | |
| 61 return true; | |
| 62 } | |
| 63 | |
| 64 bool isNull() const | |
| 65 { | |
| 66 ASSERT(!isEmpty()); | |
| 67 return Dart_IsNull(dartValue()); | |
| 68 } | |
| 69 | |
| 70 bool isUndefinedOrNull() const | |
| 71 { | |
| 72 ASSERT(!isEmpty()); | |
| 73 return Dart_IsNull(dartValue()); | |
| 74 } | |
| 75 | |
| 76 bool isEmpty() const | |
| 77 { | |
| 78 return !dartValue(); | |
| 79 } | |
| 80 | |
| 81 void clear() | |
| 82 { | |
| 83 m_value.clear(); | |
| 84 } | |
| 85 | |
| 86 bool operator==(const DartScriptPromise& value) const | |
| 87 { | |
| 88 return Dart_IdentityEquals(dartValue(), value.dartValue()); | |
| 89 } | |
| 90 | |
| 91 bool operator!=(const DartScriptPromise& value) const | |
| 92 { | |
| 93 return !operator==(value); | |
| 94 } | |
| 95 | |
| 96 Dart_Handle dartValue() const { return m_value.value(); } | |
| 97 | |
| 98 v8::Handle<v8::Value> v8Value() const | |
| 99 { | |
| 100 RELEASE_ASSERT_NOT_REACHED(); | |
| 101 return v8::Handle<v8::Value>(); | |
| 102 } | |
| 103 | |
| 104 v8::Isolate* isolate() const | |
| 105 { | |
| 106 RELEASE_ASSERT_NOT_REACHED(); | |
| 107 return m_scriptState->v8ScriptState()->isolate(); | |
| 108 } | |
| 109 | |
| 110 private: | |
| 111 RefPtr<DartScriptState> m_scriptState; | |
| 112 DartPersistentValue m_value; | |
| 113 }; | |
| 114 | |
| 115 } // namespace blink | |
| 116 | |
| 117 #endif // DartScriptPromise_h | |
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