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 "JSCustomPositionCallback.h"
28 
29 #if ENABLE(GEOLOCATION)
30 
31 #include "Frame.h"
32 #include "JSGeoposition.h"
33 #include <runtime/JSLock.h>
34 
35 namespace WebCore {
36 
37 using namespace JSC;
38 
JSCustomPositionCallback(JSObject * callback,JSDOMGlobalObject * globalObject)39 JSCustomPositionCallback::JSCustomPositionCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
40     : PositionCallback(globalObject->scriptExecutionContext())
41     , m_data(callback, globalObject)
42 {
43 }
44 
handleEvent(Geoposition * geoposition)45 void JSCustomPositionCallback::handleEvent(Geoposition* geoposition)
46 {
47     // ActiveDOMObject will null our pointer to the ScriptExecutionContext when it goes away.
48     if (!scriptExecutionContext())
49         return;
50 
51     RefPtr<JSCustomPositionCallback> protect(this);
52 
53     JSC::JSLock lock(SilenceAssertionsOnly);
54     ExecState* exec = m_data.globalObject()->globalExec();
55     MarkedArgumentBuffer args;
56     args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), geoposition));
57     m_data.invokeCallback(args);
58 }
59 
60 } // namespace WebCore
61 
62 #endif // ENABLE(GEOLOCATION)
63