Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/common/ScriptValue.h

+/*
+ * Copyright (C) 2008, 2009 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 ScriptValue_h
+#define ScriptValue_h
+
+#include "bindings/common/AbstractScriptValue.h"
+// FIXMEDART: Move this file to bindings/core/dart.
+#include "bindings/core/dart/DartScriptValue.h"
+#include "bindings/core/v8/SharedPersistent.h"
+#include "bindings/core/v8/V8ScriptValue.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
+#include "wtf/text/WTFString.h"
+#include <v8.h>
+
+namespace blink {
+
+class JSONValue;
+class ScriptPromise;
+class ScriptState;
+class V8ScriptState;
+
+// Indirection to avoid re-writing the parts of Blink that pass ScriptValue by
+// value.
+// FIXME: Should change pass by value uses to pass by reference and use
+// AbstractScriptValue directly.
+class ScriptValue FINAL {
+public:
+    ScriptValue()
+        : m_implScriptValue(V8ScriptValue::create())
+    {
+    }
+
+    ScriptValue(V8ScriptState* scriptState, v8::Handle<v8::Value> value)
+        : m_implScriptValue(V8ScriptValue::create(scriptState, value))
+    {
+    }
+
+    ScriptValue(const ScriptValue& value)
+        : m_implScriptValue(value.m_implScriptValue)
+    {
+    }
+
+    ScriptValue(PassRefPtr<AbstractScriptValue> value)
+        : m_implScriptValue(value)
+    {
+    }
+
+    ScriptState* scriptState() const
+    {
+        return m_implScriptValue->scriptState();
+    }
+
+    v8::Isolate* isolate() const
+    {
+        ASSERT(m_implScriptValue->isV8());
+        return static_cast<V8ScriptValue*>(m_implScriptValue.get())->isolate();
+    }
+
+    // FIXMEMULTIVM: Remove.
+    v8::Handle<v8::Value> v8Value() const
+    {
+        if (m_implScriptValue->isV8()) {
+            return static_cast<V8ScriptValue*>(m_implScriptValue.get())->v8Value();
+        }
+        if (m_implScriptValue->isDart()) {
+            return static_cast<DartScriptValue*>(m_implScriptValue.get())->v8Value();
+        }
+        ASSERT_NOT_REACHED();
+        return v8::Handle<v8::Value>();
+    }
+
+    v8::Handle<v8::Value> v8ValueUnsafe() const
+    {
+        ASSERT(m_implScriptValue->isV8());
+        return static_cast<V8ScriptValue*>(m_implScriptValue.get())->v8ValueUnsafe();
+    }
+
+    ScriptValue& operator=(const ScriptValue& value)
+    {
+        if (this != &value) {
+            m_implScriptValue = value.m_implScriptValue;
+        }
+        return *this;
+    }
+
+    bool operator==(const ScriptValue& value) const
+    {
+        return m_implScriptValue->equals(value.m_implScriptValue.get());
+    }
+
+    bool operator!=(const ScriptValue& value) const
+    {
+        return !operator==(value);
+    }
+
+    // This creates a new local Handle; Don't use this in performance-sensitive places.
+    bool isFunction() const
+    {
+        return m_implScriptValue->isFunction();
+    }
+
+    // This creates a new local Handle; Don't use this in performance-sensitive places.
+    bool isNull() const
+    {
+        return m_implScriptValue->isNull();
+    }
+
+    // This creates a new local Handle; Don't use this in performance-sensitive places.
+    bool isUndefined() const
+    {
+        return m_implScriptValue->isUndefined();
+    }
+
+    // This creates a new local Handle; Don't use this in performance-sensitive places.
+    bool isObject() const
+    {
+        return m_implScriptValue->isObject();
+    }
+
+    bool isEmpty() const
+    {
+        return m_implScriptValue->isEmpty();
+    }
+
+    void clear()
+    {
+        return m_implScriptValue->clear();
+    }
+
+    bool toString(String& result) const
+    {
+        return m_implScriptValue->toString(result);
+    }
+
+    PassRefPtr<JSONValue> toJSONValue(ScriptState*) const;
+    ScriptPromise toPromise() const;
+    ScriptPromise toRejectedPromise() const;
+
+    // FIXMEDART: Do we need this? If so, move to multivm.
+    AbstractScriptValue* scriptValue() const
+    {
+        return m_implScriptValue.get();
+    }
+
+    IDBKey* createIDBKeyFromKeyPath(const IDBKeyPath&) const;
+    bool canInjectIDBKey(const IDBKeyPath&) const;
+    IDBKey* toIDBKey() const;
+    IDBKeyRange* toIDBKeyRange() const;
+
+private:
+    RefPtr<AbstractScriptValue> m_implScriptValue;
+};
+
+} // namespace blink
+
+#endif // ScriptValue_h