1 /* 2 * Copyright (c) 2012, The Linux Foundation. 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 The Linux Foundation 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 #ifndef INCLUDE_IDLEINVALIDATOR 31 #define INCLUDE_IDLEINVALIDATOR 32 33 #include <cutils/log.h> 34 #include <utils/threads.h> 35 #include <gr.h> 36 37 typedef void (*InvalidatorHandler)(void*); 38 39 class IdleInvalidator : public android::Thread { 40 void *mHwcContext; 41 bool mSleepAgain; 42 unsigned int mSleepTime; 43 static InvalidatorHandler mHandler; 44 static android::sp<IdleInvalidator> sInstance; 45 mutable Locker mLock; 46 47 public: 48 IdleInvalidator(); 49 /* init timer obj */ 50 int init(InvalidatorHandler reg_handler, void* user_data, unsigned int 51 idleSleepTime); 52 void markForSleep(); 53 /*Overrides*/ 54 virtual bool threadLoop(); 55 virtual int readyToRun(); 56 virtual void onFirstRef(); 57 static IdleInvalidator *getInstance(); 58 }; 59 60 #endif // INCLUDE_IDLEINVALIDATOR 61