Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartScriptValue.h

+/*
+ * Copyright (C) 2014 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DartScriptValue_h
+#define DartScriptValue_h
+
+#include "bindings/common/AbstractScriptValue.h"
+#include "bindings/core/dart/DartPersistentValue.h"
+#include "bindings/core/dart/DartScriptState.h"
+#include "bindings/core/dart/V8Converter.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
+#include "wtf/text/WTFString.h"
+#include <dart_api.h>
+
+namespace blink {
+
+class JSONValue;
+class ScriptState;
+
+class DartScriptValue : public AbstractScriptValue {
+    WTF_MAKE_NONCOPYABLE(DartScriptValue);
+public:
+    virtual ~DartScriptValue();
+
+    static PassRefPtr<DartScriptValue> create(DartScriptState *scriptState, Dart_Handle value)
+    {
+        return adoptRef(new DartScriptValue(scriptState, value));
+    }
+
+    static PassRefPtr<DartScriptValue> create()
+    {
+        return adoptRef(new DartScriptValue());
+    }
+
+    ScriptState* scriptState() const
+    {
+        return m_scriptState.get();
+    }
+
+    bool isDart() const { return true; }
+
+    Dart_Handle dartValue() const { return m_value.value(); }
+
+    v8::Handle<v8::Value> v8Value() const
+    {
+        // FIXMEMULTIVM: Should not be converting v8 values. Major culprit is IDB.
+        Dart_Handle exception = 0;
+        v8::Handle<v8::Value> value = V8Converter::toV8(m_value.value(), exception);
+        if (exception)
+            return v8::Undefined(m_scriptState->v8ScriptState()->isolate());
+        ASSERT(!value.IsEmpty());
+        return value;
+    }
+
+    bool equals(AbstractScriptValue* other) const
+    {
+        if (!other->isDart())
+            return false;
+
+        DartScriptValue* dartOther = static_cast<DartScriptValue*>(other);
+        if (isEmpty())
+            return dartOther->isEmpty();
+        if (dartOther->isEmpty())
+            return false;
+        return Dart_IdentityEquals(dartValue(), dartOther->dartValue());
+    }
+
+    bool isFunction() const
+    {
+        ASSERT(!isEmpty());
+        return Dart_IsClosure(dartValue());
+    }
+
+    bool isNull() const
+    {
+        ASSERT(!isEmpty());
+        return Dart_IsNull(dartValue());
+    }
+
+    bool isUndefined() const
+    {
+        ASSERT(!isEmpty());
+        return false;
+    }
+
+    bool isObject() const
+    {
+        ASSERT(!isEmpty());
+        return true;
+    }
+
+    bool isEmpty() const
+    {
+        return !dartValue();
+    }
+
+    void clear()
+    {
+        m_value.clear();
+    }
+
+    bool toString(String& result) const;
+
+    PassRefPtr<JSONValue> toJSONValue(ScriptState*) const;
+
+    PassRefPtr<AbstractScriptPromise> toPromise() const;
+    PassRefPtr<AbstractScriptPromise> toRejectedPromise() const;
+
+    IDBKey* createIDBKeyFromKeyPath(const IDBKeyPath&);
+    bool canInjectIDBKey(const IDBKeyPath&);
+    IDBKey* toIDBKey();
+    IDBKeyRange* toIDBKeyRange();
+
+private:
+    RefPtr<DartScriptState> m_scriptState;
+    DartPersistentValue m_value;
+
+    explicit DartScriptValue()
+        : m_scriptState(nullptr)
+        , m_value(0)
+    {
+    }
+
+    explicit DartScriptValue(DartScriptState* scriptState, Dart_Handle value)
+        : m_scriptState(scriptState)
+        , m_value(value)
+    {
+    }
+};
+
+} // namespace blink
+
+#endif // DartScriptValue_h