| Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012, Code Aurora Forum. 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 are |
| 6 | * 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 |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of Code Aurora Forum, Inc. nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include "IdleInvalidator.h" |
| 31 | #include <unistd.h> |
| 32 | |
| 33 | #define II_DEBUG 1 |
| 34 | |
| 35 | static const char *threadName = "Invalidator"; |
| 36 | InvalidatorHandler IdleInvalidator::mHandler = NULL; |
| 37 | android::sp<IdleInvalidator> IdleInvalidator::sInstance(0); |
| 38 | |
| 39 | IdleInvalidator::IdleInvalidator(): Thread(false), mHwcContext(0), |
| 40 | mSleepAgain(false), mSleepTime(0) { |
| 41 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 42 | } |
| 43 | |
| 44 | int IdleInvalidator::init(InvalidatorHandler reg_handler, void* user_data, |
| 45 | unsigned int idleSleepTime) { |
| 46 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 47 | |
| 48 | /* store registered handler */ |
| 49 | mHandler = reg_handler; |
| 50 | mHwcContext = user_data; |
| 51 | mSleepTime = idleSleepTime; //Time in millis |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | bool IdleInvalidator::threadLoop() { |
| 56 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 57 | usleep(mSleepTime * 1000); |
| 58 | if(mSleepAgain) { |
| 59 | //We need to sleep again! |
| 60 | mSleepAgain = false; |
| 61 | return true; |
| 62 | } |
| 63 | |
| 64 | mHandler((void*)mHwcContext); |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | int IdleInvalidator::readyToRun() { |
| 69 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 70 | return 0; /*NO_ERROR*/ |
| 71 | } |
| 72 | |
| 73 | void IdleInvalidator::onFirstRef() { |
| 74 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 75 | } |
| 76 | |
| 77 | void IdleInvalidator::markForSleep() { |
| 78 | mSleepAgain = true; |
| 79 | //Triggers the threadLoop to run, if not already running. |
| 80 | run(threadName, android::PRIORITY_AUDIO); |
| 81 | } |
| 82 | |
| 83 | IdleInvalidator *IdleInvalidator::getInstance() { |
| 84 | ALOGE_IF(II_DEBUG, "shs %s", __func__); |
| 85 | if(sInstance.get() == NULL) |
| 86 | sInstance = new IdleInvalidator(); |
| 87 | return sInstance.get(); |
| 88 | } |