1 /*
2 * Copyright (C) 2007 Apple 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
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "JSCustomVoidCallback.h"
31
32 #include "Frame.h"
33 #include "JSDOMWindowCustom.h"
34 #include "ScriptController.h"
35 #include <runtime/JSLock.h>
36
37 namespace WebCore {
38
39 using namespace JSC;
40
JSCustomVoidCallback(JSObject * callback,Frame * frame)41 JSCustomVoidCallback::JSCustomVoidCallback(JSObject* callback, Frame* frame)
42 : m_callback(callback)
43 , m_frame(frame)
44 {
45 }
46
handleEvent()47 void JSCustomVoidCallback::handleEvent()
48 {
49 ASSERT(m_callback);
50 ASSERT(m_frame);
51
52 if (!m_frame->script()->isEnabled())
53 return;
54
55 JSGlobalObject* globalObject = m_frame->script()->globalObject();
56 ExecState* exec = globalObject->globalExec();
57
58 JSC::JSLock lock(SilenceAssertionsOnly);
59
60 JSValue function = m_callback->get(exec, Identifier(exec, "handleEvent"));
61 CallData callData;
62 CallType callType = function.getCallData(callData);
63 if (callType == CallTypeNone) {
64 callType = m_callback->getCallData(callData);
65 if (callType == CallTypeNone) {
66 // FIXME: Should an exception be thrown here?
67 return;
68 }
69 function = m_callback;
70 }
71
72 RefPtr<JSCustomVoidCallback> protect(this);
73
74 MarkedArgumentBuffer args;
75
76 globalObject->globalData()->timeoutChecker.start();
77 call(exec, function, callType, callData, m_callback, args);
78 globalObject->globalData()->timeoutChecker.stop();
79
80 if (exec->hadException())
81 reportCurrentException(exec);
82
83 Document::updateStyleForAllDocuments();
84 }
85
toVoidCallback(ExecState * exec,JSValue value)86 PassRefPtr<VoidCallback> toVoidCallback(ExecState* exec, JSValue value)
87 {
88 JSObject* object = value.getObject();
89 if (!object)
90 return 0;
91
92 Frame* frame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
93 if (!frame)
94 return 0;
95
96 return JSCustomVoidCallback::create(object, frame);
97 }
98
99 }
100