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:
create(JSC::JSObject * listener,JSC::JSObject * wrapper,bool isAttribute,DOMWrapperWorld * isolatedWorld)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.
createJSErrorHandler(JSC::ExecState * exec,JSC::JSValue listener,JSC::JSObject * wrapper)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