2 * Copyright (C) 2007 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include "VoidCallback.h"
33 #include "kjs_proxy.h"
34 #include "kjs_window.h"
36 using namespace WebCore;
39 VoidCallback::VoidCallback(JSValue* func)
44 VoidCallback::~VoidCallback()
48 void VoidCallback::handleEvent()
52 void VoidCallback::execute(Frame* frame)
60 KJS::JSObject* window = Window::retrieveWindow(frame);
64 KJSProxy* scriptProxy = frame->scriptProxy();
68 RefPtr<ScriptInterpreter> interpreter = scriptProxy->interpreter();
71 ExecState* exec = interpreter->globalExec();
72 ASSERT(window == interpreter->globalObject());
73 interpreter->startTimeoutCheck();
75 static_cast<JSObject*>(m_func)->call(exec, window, args);
76 interpreter->stopTimeoutCheck();
77 if (exec->hadException()) {
78 JSObject* exception = exec->exception()->toObject(exec);
79 exec->clearException();
80 String message = exception->get(exec, exec->propertyNames().message)->toString(exec);
81 int lineNumber = exception->get(exec, "line")->toInt32(exec);
82 if (Interpreter::shouldPrintExceptions())
83 printf("(VoidCallback):%s\n", message.utf8().data());
84 if (Page* page = frame->page())
85 page->chrome()->addMessageToConsole(JSMessageSource, ErrorMessageLevel, message, lineNumber, String());
89 bool VoidCallback::operator==(const VoidCallback& o) const
91 return m_func == o.m_func;
94 VoidCallback* WebCore::toVoidCallback(JSValue* func)
96 if (!func->isObject() || !static_cast<JSObject*>(func)->implementsCall())
97 return new VoidCallback(0);
98 return new VoidCallback(func);