Home | History | Annotate | Download | only in custom
      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 <v8.h>
     36 #include <wtf/PassRefPtr.h>
     37 #include <wtf/RefPtr.h>
     38 
     39 namespace WebCore {
     40 
     41 class Frame;
     42 
     43 class V8CustomVoidCallback : public VoidCallback {
     44 public:
     45     static PassRefPtr<V8CustomVoidCallback> create(v8::Local<v8::Value> value, Frame* frame)
     46     {
     47         ASSERT(value->IsObject());
     48         return adoptRef(new V8CustomVoidCallback(value->ToObject(), frame));
     49     }
     50     virtual ~V8CustomVoidCallback();
     51 
     52     virtual void handleEvent();
     53 
     54 private:
     55     V8CustomVoidCallback(v8::Local<v8::Object>, Frame*);
     56 
     57     v8::Persistent<v8::Object> m_callback;
     58     RefPtr<Frame> m_frame;
     59 };
     60 
     61 // Returns false if callback failed (null, wrong type, or threw exception).
     62 bool invokeCallback(v8::Persistent<v8::Object> callback, int argc, v8::Handle<v8::Value> argv[], bool& callbackReturnValue);
     63 
     64 } // namespace WebCore
     65 
     66 #endif // V8CustomVoidCallback_h
     67