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/*
* Copyright (c) 2012, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "idle_invalidator.h"
#include <unistd.h>
#define II_DEBUG 0
static const char *threadName = "Invalidator";
InvalidatorHandler IdleInvalidator::mHandler = NULL;
android::sp<IdleInvalidator> IdleInvalidator::sInstance(0);
IdleInvalidator::IdleInvalidator(): Thread(false), mHwcContext(0),
mSleepAgain(false), mSleepTime(0) {
ALOGD_IF(II_DEBUG, "%s", __func__);
}
int IdleInvalidator::init(InvalidatorHandler reg_handler, void* user_data,
unsigned int idleSleepTime) {
ALOGD_IF(II_DEBUG, "%s", __func__);
/* store registered handler */
mHandler = reg_handler;
mHwcContext = user_data;
mSleepTime = idleSleepTime; //Time in millis
return 0;
}
bool IdleInvalidator::threadLoop() {
ALOGD_IF(II_DEBUG, "%s", __func__);
usleep(mSleepTime * 500);
if(mSleepAgain) {
//We need to sleep again!
mSleepAgain = false;
return true;
}
mHandler((void*)mHwcContext);
return false;
}
int IdleInvalidator::readyToRun() {
ALOGD_IF(II_DEBUG, "%s", __func__);
return 0; /*NO_ERROR*/
}
void IdleInvalidator::onFirstRef() {
ALOGD_IF(II_DEBUG, "%s", __func__);
}
void IdleInvalidator::markForSleep() {
mSleepAgain = true;
//Triggers the threadLoop to run, if not already running.
run(threadName, android::PRIORITY_AUDIO);
}
IdleInvalidator *IdleInvalidator::getInstance() {
ALOGD_IF(II_DEBUG, "%s", __func__);
if(sInstance.get() == NULL)
sInstance = new IdleInvalidator();
return sInstance.get();
}