1 /* 2 * Copyright (C) 2010 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 JSErrorHandler_h 32 #define JSErrorHandler_h 33 34 #include "JSEventListener.h" 35 36 namespace WebCore { 37 38 class JSErrorHandler : public JSEventListener { 39 public: 40 static PassRefPtr<JSErrorHandler> create(JSC::JSObject* listener, JSC::JSObject* wrapper, bool isAttribute, DOMWrapperWorld* isolatedWorld) 41 { 42 return adoptRef(new JSErrorHandler(listener, wrapper, isAttribute, isolatedWorld)); 43 } 44 45 virtual ~JSErrorHandler(); 46 47 private: 48 JSErrorHandler(JSC::JSObject* function, JSC::JSObject* wrapper, bool isAttribute, DOMWrapperWorld* isolatedWorld); 49 virtual void handleEvent(ScriptExecutionContext*, Event*); 50 }; 51 52 // Creates a JS EventListener for "onerror" event handler in worker context. It has custom implementation because 53 // unlike other event listeners it accepts three parameters. 54 inline PassRefPtr<JSErrorHandler> createJSErrorHandler(JSC::ExecState* exec, JSC::JSValue listener, JSC::JSObject* wrapper) 55 { 56 if (!listener.isObject()) 57 return 0; 58 59 return JSErrorHandler::create(asObject(listener), wrapper, true, currentWorld(exec)); 60 } 61 62 } // namespace WebCore 63 64 #endif // JSErrorHandler_h 65
