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      1 /*
      2  * Copyright 2007, The Android Open Source Project
      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  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 "SharedTimer.h"
     28 
     29 #define LOG_TAG "Timers"
     30 
     31 #include <TimerClient.h>
     32 #include <JavaSharedClient.h>
     33 #include <utils/Log.h>
     34 #include <wtf/CurrentTime.h>
     35 
     36 using namespace android;
     37 
     38 namespace WebCore {
     39 
     40 // Single timer, shared to implement all the timers managed by the Timer class.
     41 // Not intended to be used directly; use the Timer class instead.
     42 void setSharedTimerFiredFunction(void (*f)())
     43 {
     44     if (JavaSharedClient::GetTimerClient())
     45         JavaSharedClient::GetTimerClient()->setSharedTimerCallback(f);
     46 }
     47 
     48 // The fire time is relative to the classic POSIX epoch of January 1, 1970,
     49 // as the result of currentTime() is.
     50 void setSharedTimerFireTime(double fireTime)
     51 {
     52     long long timeInMs = static_cast<long long>((fireTime - WTF::currentTime()) * 1000);
     53 
     54     ALOGV("setSharedTimerFireTime: in %d millisec", (int)timeInMs);
     55     if (JavaSharedClient::GetTimerClient())
     56         JavaSharedClient::GetTimerClient()->setSharedTimer(timeInMs);
     57 }
     58 
     59 void stopSharedTimer()
     60 {
     61     if (JavaSharedClient::GetTimerClient())
     62         JavaSharedClient::GetTimerClient()->stopSharedTimer();
     63 }
     64 
     65 }  // namespace WebCore
     66