Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_BUBBLE_LEVEL_IMPL_ |
| 18 | #define ANDROID_BUBBLE_LEVEL_IMPL_ |
| 19 | |
| 20 | #include "BubbleLevel.h" |
| 21 | #include <utils/Looper.h> |
| 22 | #include <gui/Sensor.h> |
| 23 | #include <gui/SensorManager.h> |
| 24 | #include <gui/SensorEventQueue.h> |
| 25 | |
| 26 | |
| 27 | namespace android { |
| 28 | |
| 29 | class BubbleLevelImpl : public Thread |
| 30 | { |
| 31 | public: |
| 32 | |
| 33 | BubbleLevelImpl(); |
| 34 | virtual ~BubbleLevelImpl(); |
| 35 | |
Eric Laurent | 429f24d | 2012-11-02 14:37:38 -0700 | [diff] [blame] | 36 | int initStatus() const { return mInitStatus; } |
| 37 | |
Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 38 | // BubbleLevel interface |
| 39 | int setCallback(BubbleLevel_CallBack_t callback, void *userData); |
| 40 | int setPollInterval(unsigned int seconds); |
| 41 | int startPolling(); |
| 42 | int stopPolling(); |
| 43 | int pollOnce(); |
| 44 | |
| 45 | // RefBase |
| 46 | virtual void onFirstRef(); |
| 47 | // Thread virtuals |
| 48 | virtual bool threadLoop(); |
| 49 | |
| 50 | enum state { |
| 51 | BL_STATE_IDLE, |
| 52 | BL_STATE_POLLING, |
| 53 | BL_STATE_POLLING_ONCE, |
| 54 | BL_STATE_SLEEPING, |
| 55 | }; |
| 56 | |
| 57 | uint32_t state() const { return mState; } |
| 58 | void lockState() { mStateLock.lock(); } |
| 59 | void unlockState() { mStateLock.unlock(); } |
| 60 | uint32_t pollCount() { return mPollCount; } |
| 61 | void incPollCount() { mPollCount++; } |
| 62 | void incLevelCount() { mLevelCount++; } |
| 63 | sp<SensorEventQueue> sensorEventQueue() const { return mSensorEventQueue; } |
| 64 | size_t numSensors() const { return mNumSensors; } |
| 65 | |
| 66 | private: |
| 67 | enum command { |
| 68 | BL_CMD_NONE, |
| 69 | BL_CMD_START_POLL, |
| 70 | BL_CMD_STOP_POLL, |
| 71 | BL_CMD_POLL_ONCE, |
| 72 | BL_CMD_EXIT, |
| 73 | }; |
| 74 | |
Eric Laurent | 429f24d | 2012-11-02 14:37:38 -0700 | [diff] [blame] | 75 | int init(); |
| 76 | |
Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 77 | Mutex mStateLock; |
| 78 | Mutex mCallbackLock; |
| 79 | Condition mCond; |
| 80 | uint32_t mState; |
| 81 | uint32_t mCmd; |
| 82 | uint32_t mPollIntervalSec; |
| 83 | uint32_t mPollCount; |
| 84 | uint32_t mLevelCount; |
| 85 | |
| 86 | BubbleLevel_CallBack_t mCallBack; |
| 87 | void *mUserData; |
| 88 | |
| 89 | size_t mNumSensors; |
| 90 | Sensor const* mAccelerometer; |
| 91 | sp<SensorEventQueue> mSensorEventQueue; |
| 92 | sp<Looper> mLooper; |
Eric Laurent | 429f24d | 2012-11-02 14:37:38 -0700 | [diff] [blame] | 93 | int mInitStatus; |
Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 94 | }; |
| 95 | |
| 96 | }; |
| 97 | |
| 98 | class BubbleLevelBase: public BubbleLevel |
| 99 | { |
| 100 | public: |
| 101 | BubbleLevelBase() { mBubbleLevel = new android::BubbleLevelImpl(); } |
| 102 | virtual ~BubbleLevelBase() {} |
| 103 | |
Eric Laurent | 429f24d | 2012-11-02 14:37:38 -0700 | [diff] [blame] | 104 | int initStatus() { |
| 105 | return mBubbleLevel->initStatus(); |
| 106 | } |
| 107 | |
Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 108 | // BubbleLevel interface |
| 109 | virtual int setCallback(BubbleLevel_CallBack_t callback, void *userData) { |
| 110 | return mBubbleLevel->setCallback(callback, userData); |
| 111 | } |
| 112 | virtual int setPollInterval(unsigned int seconds) { |
| 113 | return mBubbleLevel->setPollInterval(seconds); |
| 114 | } |
| 115 | virtual int startPolling() { |
| 116 | return mBubbleLevel->startPolling(); |
| 117 | } |
| 118 | virtual int stopPolling() { |
| 119 | return mBubbleLevel->stopPolling(); |
| 120 | } |
| 121 | virtual int pollOnce() { |
| 122 | return mBubbleLevel->pollOnce(); |
| 123 | } |
| 124 | |
| 125 | private: |
| 126 | android::sp<android::BubbleLevelImpl> mBubbleLevel; |
| 127 | }; |
| 128 | |
| 129 | BubbleLevel *BubbleLevel::create() { |
Eric Laurent | 429f24d | 2012-11-02 14:37:38 -0700 | [diff] [blame] | 130 | BubbleLevelBase *bl = new BubbleLevelBase(); |
| 131 | |
| 132 | if (bl->initStatus() != 0) { |
| 133 | delete bl; |
| 134 | bl = NULL; |
| 135 | } |
| 136 | return static_cast<BubbleLevel *>(bl); |
Eric Laurent | bec6aef | 2012-10-16 10:06:15 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | struct bubble_level_C_impl |
| 140 | { |
| 141 | struct bubble_level interface; |
| 142 | android::sp<android::BubbleLevelImpl> bubble_level; |
| 143 | }; |
| 144 | |
| 145 | #endif /*ANDROID_BUBBLE_LEVEL_IMPL_*/ |