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1 /*
2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
3  * Copyright (C) 2009 Company 100, Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include "config.h"
28 #include "SharedTimer.h"
29 
30 #include <AEEAppGen.h>
31 #include <AEEStdLib.h>
32 
33 #include <wtf/CurrentTime.h>
34 
35 namespace WebCore {
36 
37 static void (*sharedTimerFiredFunction)();
38 
39 static AEECallback sharedTimerCallback;
40 
invokeCallback(void *)41 static void invokeCallback(void*)
42 {
43     sharedTimerFiredFunction();
44 }
45 
setSharedTimerFiredFunction(void (* f)())46 void setSharedTimerFiredFunction(void (*f)())
47 {
48     sharedTimerFiredFunction = f;
49 }
50 
setSharedTimerFireTime(double fireTime)51 void setSharedTimerFireTime(double fireTime)
52 {
53     ASSERT(sharedTimerFiredFunction);
54 
55     CALLBACK_Cancel(&sharedTimerCallback);
56 
57     double interval = fireTime - currentTime();
58     int intervalInMS;
59 
60     if (interval < 0)
61         intervalInMS = 0;
62     else {
63         interval *= 1000;
64         intervalInMS = static_cast<int>(interval);
65     }
66 
67     sharedTimerCallback.pfnCancel = 0;
68     sharedTimerCallback.pfnNotify = invokeCallback;
69     sharedTimerCallback.pNotifyData = 0;
70 
71     IShell* shell = reinterpret_cast<AEEApplet*>(GETAPPINSTANCE())->m_pIShell;
72     ISHELL_SetTimerEx(shell, intervalInMS, &sharedTimerCallback);
73 }
74 
stopSharedTimer()75 void stopSharedTimer()
76 {
77     CALLBACK_Cancel(&sharedTimerCallback);
78 }
79 
80 }
81