/*
* Copyright (C) 2013 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,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ScriptFunction_h
#define ScriptFunction_h
#include "bindings/v8/ScriptValue.h"
#include "bindings/v8/V8Binding.h"
#include "bindings/v8/V8GarbageCollected.h"
#include "wtf/RefCounted.h"
#include <v8.h>
namespace WebCore {
class ScriptFunction;
v8::Handle<v8::Function> adoptByGarbageCollector(PassOwnPtr<ScriptFunction>);
class ScriptFunction : public V8GarbageCollected<ScriptFunction> {
public:
virtual ~ScriptFunction() { }
protected:
ScriptFunction(v8::Isolate* isolate) : V8GarbageCollected<ScriptFunction>(isolate) { }
private:
friend v8::Handle<v8::Function> adoptByGarbageCollector(PassOwnPtr<ScriptFunction>);
virtual ScriptValue call(ScriptValue) = 0;
static void callCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
{
v8::Isolate* isolate = args.GetIsolate();
ASSERT(!args.Data().IsEmpty());
ScriptFunction* function = ScriptFunction::Cast(args.Data());
v8::Local<v8::Value> value = args.Length() > 0 ? args[0] : v8::Local<v8::Value>(v8::Undefined(isolate));
ScriptValue result = function->call(ScriptValue(value, isolate));
v8SetReturnValue(args, result.v8Value());
}
};
inline v8::Handle<v8::Function> adoptByGarbageCollector(PassOwnPtr<ScriptFunction> function)
{
if (!function)
return v8::Handle<v8::Function>();
v8::Isolate* isolate = function->isolate();
return createClosure(&ScriptFunction::callCallback, function.leakPtr()->releaseToV8GarbageCollector(), isolate);
}
} // namespace WebCore
#endif