1a2b83a17d
if system process ever restarted, processes using a SensorManager would loose the ability to use it, resulting to a crash. we now listen for sensor service death and reconnected if necessary. Bug: 5445240 Change-Id: Ia47f8b26cdcecb729fa22bf11d55e10fcaef8cfc
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_GUI_SENSOR_MANAGER_H
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#define ANDROID_GUI_SENSOR_MANAGER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/IBinder.h>
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#include <utils/Errors.h>
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#include <utils/RefBase.h>
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#include <utils/Singleton.h>
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#include <utils/Vector.h>
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#include <gui/SensorEventQueue.h>
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// ----------------------------------------------------------------------------
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// Concrete types for the NDK
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struct ASensorManager { };
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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class ISensorServer;
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class Sensor;
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class SensorEventQueue;
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// ----------------------------------------------------------------------------
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class SensorManager :
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public ASensorManager,
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public Singleton<SensorManager>
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{
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public:
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SensorManager();
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~SensorManager();
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ssize_t getSensorList(Sensor const* const** list) const;
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Sensor const* getDefaultSensor(int type);
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sp<SensorEventQueue> createEventQueue();
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private:
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// DeathRecipient interface
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void sensorManagerDied();
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status_t assertStateLocked() const;
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private:
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mutable Mutex mLock;
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mutable sp<ISensorServer> mSensorServer;
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mutable Sensor const** mSensorList;
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mutable Vector<Sensor> mSensors;
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mutable sp<IBinder::DeathRecipient> mDeathObserver;
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GUI_SENSOR_MANAGER_H
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