1 /*
2 * Copyright (C) 2007, 2008, 2009 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 "JSCallbackData.h"
31
32 #include "Document.h"
33 #include "JSDOMBinding.h"
34 #include "JSMainThreadExecState.h"
35
36 using namespace JSC;
37
38 namespace WebCore {
39
deleteData(void * context)40 void JSCallbackData::deleteData(void* context)
41 {
42 delete static_cast<JSCallbackData*>(context);
43 }
44
invokeCallback(MarkedArgumentBuffer & args,bool * raisedException)45 JSValue JSCallbackData::invokeCallback(MarkedArgumentBuffer& args, bool* raisedException)
46 {
47 ASSERT(callback());
48 ASSERT(globalObject());
49
50 ExecState* exec = globalObject()->globalExec();
51 JSValue function = callback()->get(exec, Identifier(exec, "handleEvent"));
52
53 CallData callData;
54 CallType callType = getCallData(function, callData);
55 if (callType == CallTypeNone) {
56 callType = callback()->getCallData(callData);
57 if (callType == CallTypeNone)
58 return JSValue();
59 function = callback();
60 }
61
62 globalObject()->globalData().timeoutChecker.start();
63 ScriptExecutionContext* context = globalObject()->scriptExecutionContext();
64 // We will fail to get the context if the frame has been detached.
65 if (!context)
66 return JSValue();
67
68 bool contextIsDocument = context->isDocument();
69 JSValue result = contextIsDocument
70 ? JSMainThreadExecState::call(exec, function, callType, callData, callback(), args)
71 : JSC::call(exec, function, callType, callData, callback(), args);
72 globalObject()->globalData().timeoutChecker.stop();
73
74 if (contextIsDocument)
75 Document::updateStyleForAllDocuments();
76
77 if (exec->hadException()) {
78 reportCurrentException(exec);
79 if (raisedException)
80 *raisedException = true;
81 return result;
82 }
83
84 return result;
85 }
86
87 } // namespace WebCore
88