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/*
* Copyright (C) 2006, 2007, 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 V8Utilities_h
#define V8Utilities_h
#include <wtf/Forward.h>
#include <v8.h>
namespace WTF {
class ArrayBuffer;
}
namespace WebCore {
class EventListener;
class MessagePort;
class ScriptExecutionContext;
// Use an array to hold dependents. It works like a ref-counted scheme. A value can be added more than once to the DOM object.
void createHiddenDependency(v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex);
void removeHiddenDependency(v8::Handle<v8::Object>, v8::Local<v8::Value>, int cacheIndex);
// Combo create/remove, for generated event-handler-setter bindings:
void transferHiddenDependency(v8::Handle<v8::Object>, EventListener* oldValue, v8::Local<v8::Value> newValue, int cacheIndex);
ScriptExecutionContext* getScriptExecutionContext();
typedef WTF::Vector<RefPtr<MessagePort>, 1> MessagePortArray;
typedef WTF::Vector<RefPtr<ArrayBuffer>, 1> ArrayBufferArray;
// Helper function which pulls the values out of a JS sequence and into a MessagePortArray.
// Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
// of the HTML5 spec and generates exceptions as appropriate.
// Returns true if the array was filled, or false if the passed value was not of an appropriate type.
bool extractTransferables(v8::Local<v8::Value>, MessagePortArray&, ArrayBufferArray&, v8::Isolate*);
bool getMessagePortArray(v8::Local<v8::Value>, MessagePortArray&, v8::Isolate*);
} // namespace WebCore
#endif // V8Utilities_h
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