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      1 /*
      2  * Copyright (C) 2008 Kenneth Rohde Christiansen
      3  *           (C) 2008 Afonso Rabelo Costa Jr.
      4  *           (C) 2009-2010 ProFUSION embedded systems
      5  *           (C) 2009-2010 Samsung Electronics
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "SharedTimer.h"
     31 
     32 #include <Ecore.h>
     33 #include <wtf/Assertions.h>
     34 #include <wtf/CurrentTime.h>
     35 #include <wtf/MainThread.h>
     36 
     37 namespace WebCore {
     38 
     39 static Ecore_Timer *_sharedTimer = 0;
     40 
     41 static void (*_timerFunction)();
     42 
     43 void setSharedTimerFiredFunction(void (*func)())
     44 {
     45     _timerFunction = func;
     46 }
     47 
     48 static Eina_Bool timerEvent(void*)
     49 {
     50     if (_timerFunction)
     51         _timerFunction();
     52 
     53     _sharedTimer = 0;
     54 
     55     return ECORE_CALLBACK_CANCEL;
     56 }
     57 
     58 void stopSharedTimer()
     59 {
     60     if (_sharedTimer) {
     61         ecore_timer_del(_sharedTimer);
     62         _sharedTimer = 0;
     63     }
     64 }
     65 
     66 void addNewTimer(double fireTime)
     67 {
     68     double interval = fireTime - currentTime();
     69     stopSharedTimer();
     70 
     71     _sharedTimer = ecore_timer_loop_add(interval, timerEvent, 0);
     72 }
     73 
     74 void setSharedTimerFireTime(double fireTime)
     75 {
     76     addNewTimer(fireTime);
     77 }
     78 
     79 }
     80 
     81