1/*
2 * Copyright (C) 2009 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 V8CustomVoidCallback_h
32#define V8CustomVoidCallback_h
33
34#include "VoidCallback.h"
35#include "WorldContextHandle.h"
36#include <v8.h>
37#include <wtf/PassRefPtr.h>
38#include <wtf/RefPtr.h>
39
40namespace WebCore {
41
42class ScriptExecutionContext;
43
44class V8CustomVoidCallback : public VoidCallback {
45public:
46    static PassRefPtr<V8CustomVoidCallback> create(v8::Local<v8::Value> value, ScriptExecutionContext* context)
47    {
48        ASSERT(value->IsObject());
49        return adoptRef(new V8CustomVoidCallback(value->ToObject(), context));
50    }
51    virtual ~V8CustomVoidCallback();
52
53    virtual void handleEvent();
54
55private:
56    V8CustomVoidCallback(v8::Local<v8::Object>, ScriptExecutionContext* context);
57
58    v8::Persistent<v8::Object> m_callback;
59    RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
60    WorldContextHandle m_worldContext;
61};
62
63// Returns false if callback failed (null, wrong type, or threw exception).
64bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue, ScriptExecutionContext* scriptExecutionContext);
65
66} // namespace WebCore
67
68#endif // V8CustomVoidCallback_h
69