1 /*
2 * Copyright (C) 2008 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 * 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.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE 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 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
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JSCustomPositionErrorCallback.h"
28
29 #include "Frame.h"
30 #include "JSPositionError.h"
31 #include "ScriptController.h"
32 #include <runtime/JSLock.h>
33
34 namespace WebCore {
35
36 using namespace JSC;
37
JSCustomPositionErrorCallback(JSObject * callback,Frame * frame)38 JSCustomPositionErrorCallback::JSCustomPositionErrorCallback(JSObject* callback, Frame* frame)
39 : m_callback(callback)
40 , m_frame(frame)
41 {
42 }
43
handleEvent(PositionError * positionError)44 void JSCustomPositionErrorCallback::handleEvent(PositionError* positionError)
45 {
46 ASSERT(m_callback);
47 ASSERT(m_frame);
48
49 if (!m_frame->script()->isEnabled())
50 return;
51
52 // FIXME: This is likely the wrong globalObject (for prototype chains at least)
53 JSGlobalObject* globalObject = m_frame->script()->globalObject();
54 ExecState* exec = globalObject->globalExec();
55
56 JSC::JSLock lock(SilenceAssertionsOnly);
57
58 JSValue function = m_callback->get(exec, Identifier(exec, "handleEvent"));
59 CallData callData;
60 CallType callType = function.getCallData(callData);
61 if (callType == CallTypeNone) {
62 callType = m_callback->getCallData(callData);
63 if (callType == CallTypeNone) {
64 // FIXME: Should an exception be thrown here?
65 return;
66 }
67 function = m_callback;
68 }
69
70 RefPtr<JSCustomPositionErrorCallback> protect(this);
71
72 MarkedArgumentBuffer args;
73 args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), positionError));
74
75 globalObject->globalData()->timeoutChecker.start();
76 call(exec, function, callType, callData, m_callback, args);
77 globalObject->globalData()->timeoutChecker.stop();
78
79 if (exec->hadException())
80 reportCurrentException(exec);
81
82 Document::updateStyleForAllDocuments();
83 }
84
85 } // namespace WebCore
86