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 40 namespace WebCore { 41 42 class ScriptExecutionContext; 43 44 class V8CustomVoidCallback : public VoidCallback { 45 public: create(v8::Local<v8::Value> value,ScriptExecutionContext * context)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 55 private: 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). 64 bool 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