122 lines
4.0 KiB
C++
122 lines
4.0 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_SENSOR_SERVICE_H
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#define ANDROID_SENSOR_SERVICE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Vector.h>
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#include <utils/SortedVector.h>
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#include <utils/KeyedVector.h>
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#include <utils/threads.h>
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#include <utils/RefBase.h>
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#include <binder/BinderService.h>
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#include <binder/Permission.h>
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#include <gui/Sensor.h>
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#include <gui/SensorChannel.h>
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#include <gui/ISensorServer.h>
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#include <gui/ISensorEventConnection.h>
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// ---------------------------------------------------------------------------
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struct sensors_poll_device_t;
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struct sensors_module_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class SensorService :
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public BinderService<SensorService>,
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public BnSensorServer,
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protected Thread
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{
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friend class BinderService<SensorService>;
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SensorService();
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virtual ~SensorService();
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virtual void onFirstRef();
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// Thread interface
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virtual bool threadLoop();
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// ISensorServer interface
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virtual Vector<Sensor> getSensorList();
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virtual sp<ISensorEventConnection> createSensorEventConnection();
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virtual status_t dump(int fd, const Vector<String16>& args);
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class SensorEventConnection : public BnSensorEventConnection {
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virtual sp<SensorChannel> getSensorChannel() const;
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virtual status_t enableDisable(int handle, bool enabled);
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virtual status_t setEventRate(int handle, nsecs_t ns);
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sp<SensorService> const mService;
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sp<SensorChannel> const mChannel;
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SortedVector<int32_t> mSensorList;
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public:
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SensorEventConnection(const sp<SensorService>& service);
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virtual ~SensorEventConnection();
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virtual void onFirstRef();
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status_t sendEvents(sensors_event_t const* buffer, size_t count);
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bool hasSensor(int32_t handle) const;
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bool hasAnySensor() const;
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void addSensor(int32_t handle);
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void removeSensor(int32_t handle);
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};
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class SensorRecord {
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SortedVector< wp<SensorEventConnection> > mConnections;
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public:
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SensorRecord(const sp<SensorEventConnection>& connection);
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status_t addConnection(const sp<SensorEventConnection>& connection);
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bool removeConnection(const wp<SensorEventConnection>& connection);
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size_t getNumConnections() const { return mConnections.size(); }
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};
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SortedVector< wp<SensorEventConnection> > getActiveConnections() const;
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String8 getSensorName(int handle) const;
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// constants
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Vector<Sensor> mSensorList;
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struct sensors_poll_device_t* mSensorDevice;
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struct sensors_module_t* mSensorModule;
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Permission mDump;
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status_t mInitCheck;
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// protected by mLock
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mutable Mutex mLock;
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SortedVector< wp<SensorEventConnection> > mConnections;
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DefaultKeyedVector<int, SensorRecord*> mActiveSensors;
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SortedVector< wp<SensorEventConnection> > mActiveConnections;
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public:
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static char const* getServiceName() { return "sensorservice"; }
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void cleanupConnection(const wp<SensorEventConnection>& connection);
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status_t enable(const sp<SensorEventConnection>& connection, int handle);
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status_t disable(const sp<SensorEventConnection>& connection, int handle);
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status_t setRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns);
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_SENSOR_SERVICE_H
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