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
37typedef void (*InvalidatorHandler)(void*);
38
39class 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