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| 1 /* | |
| 2 * Copyright (C) 2014 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 DartScriptValue_h | |
| 32 #define DartScriptValue_h | |
| 33 | |
| 34 #include "bindings/common/AbstractScriptValue.h" | |
| 35 #include "bindings/core/dart/DartPersistentValue.h" | |
| 36 #include "bindings/core/dart/DartScriptState.h" | |
| 37 #include "bindings/core/dart/V8Converter.h" | |
| 38 #include "wtf/PassRefPtr.h" | |
| 39 #include "wtf/RefPtr.h" | |
| 40 #include "wtf/text/WTFString.h" | |
| 41 #include <dart_api.h> | |
| 42 | |
| 43 namespace blink { | |
| 44 | |
| 45 class JSONValue; | |
| 46 class ScriptState; | |
| 47 | |
| 48 class DartScriptValue : public AbstractScriptValue { | |
| 49 WTF_MAKE_NONCOPYABLE(DartScriptValue); | |
| 50 public: | |
| 51 virtual ~DartScriptValue(); | |
| 52 | |
| 53 static PassRefPtr<DartScriptValue> create(DartScriptState *scriptState, Dart
_Handle value) | |
| 54 { | |
| 55 return adoptRef(new DartScriptValue(scriptState, value)); | |
| 56 } | |
| 57 | |
| 58 static PassRefPtr<DartScriptValue> create() | |
| 59 { | |
| 60 return adoptRef(new DartScriptValue()); | |
| 61 } | |
| 62 | |
| 63 ScriptState* scriptState() const | |
| 64 { | |
| 65 return m_scriptState.get(); | |
| 66 } | |
| 67 | |
| 68 bool isDart() const { return true; } | |
| 69 | |
| 70 Dart_Handle dartValue() const { return m_value.value(); } | |
| 71 | |
| 72 v8::Handle<v8::Value> v8Value() const | |
| 73 { | |
| 74 // FIXMEMULTIVM: Should not be converting v8 values. Major culprit is ID
B. | |
| 75 Dart_Handle exception = 0; | |
| 76 v8::Handle<v8::Value> value = V8Converter::toV8(m_value.value(), excepti
on); | |
| 77 if (exception) | |
| 78 return v8::Undefined(m_scriptState->v8ScriptState()->isolate()); | |
| 79 ASSERT(!value.IsEmpty()); | |
| 80 return value; | |
| 81 } | |
| 82 | |
| 83 bool equals(AbstractScriptValue* other) const | |
| 84 { | |
| 85 if (!other->isDart()) | |
| 86 return false; | |
| 87 | |
| 88 DartScriptValue* dartOther = static_cast<DartScriptValue*>(other); | |
| 89 if (isEmpty()) | |
| 90 return dartOther->isEmpty(); | |
| 91 if (dartOther->isEmpty()) | |
| 92 return false; | |
| 93 return Dart_IdentityEquals(dartValue(), dartOther->dartValue()); | |
| 94 } | |
| 95 | |
| 96 bool isFunction() const | |
| 97 { | |
| 98 ASSERT(!isEmpty()); | |
| 99 return Dart_IsClosure(dartValue()); | |
| 100 } | |
| 101 | |
| 102 bool isNull() const | |
| 103 { | |
| 104 ASSERT(!isEmpty()); | |
| 105 return Dart_IsNull(dartValue()); | |
| 106 } | |
| 107 | |
| 108 bool isUndefined() const | |
| 109 { | |
| 110 ASSERT(!isEmpty()); | |
| 111 return false; | |
| 112 } | |
| 113 | |
| 114 bool isObject() const | |
| 115 { | |
| 116 ASSERT(!isEmpty()); | |
| 117 return true; | |
| 118 } | |
| 119 | |
| 120 bool isEmpty() const | |
| 121 { | |
| 122 return !dartValue(); | |
| 123 } | |
| 124 | |
| 125 void clear() | |
| 126 { | |
| 127 m_value.clear(); | |
| 128 } | |
| 129 | |
| 130 bool toString(String& result) const; | |
| 131 | |
| 132 PassRefPtr<JSONValue> toJSONValue(ScriptState*) const; | |
| 133 | |
| 134 PassRefPtr<AbstractScriptPromise> toPromise() const; | |
| 135 PassRefPtr<AbstractScriptPromise> toRejectedPromise() const; | |
| 136 | |
| 137 IDBKey* createIDBKeyFromKeyPath(const IDBKeyPath&); | |
| 138 bool canInjectIDBKey(const IDBKeyPath&); | |
| 139 IDBKey* toIDBKey(); | |
| 140 IDBKeyRange* toIDBKeyRange(); | |
| 141 | |
| 142 private: | |
| 143 RefPtr<DartScriptState> m_scriptState; | |
| 144 DartPersistentValue m_value; | |
| 145 | |
| 146 explicit DartScriptValue() | |
| 147 : m_scriptState(nullptr) | |
| 148 , m_value(0) | |
| 149 { | |
| 150 } | |
| 151 | |
| 152 explicit DartScriptValue(DartScriptState* scriptState, Dart_Handle value) | |
| 153 : m_scriptState(scriptState) | |
| 154 , m_value(value) | |
| 155 { | |
| 156 } | |
| 157 }; | |
| 158 | |
| 159 } // namespace blink | |
| 160 | |
| 161 #endif // DartScriptValue_h | |
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