db5b4bce9e
when an app dies, make sure to disable all sensors that process is connected to, regardless of wether this was the LAST connection to this sensor. Change-Id: I9c72b1792eee03815304674d5c2f25b5270e4748
142 lines
4.7 KiB
C++
142 lines
4.7 KiB
C++
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ANDROID_SENSOR_SERVICE_H
|
|
#define ANDROID_SENSOR_SERVICE_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/Vector.h>
|
|
#include <utils/SortedVector.h>
|
|
#include <utils/KeyedVector.h>
|
|
#include <utils/threads.h>
|
|
#include <utils/RefBase.h>
|
|
|
|
#include <binder/BinderService.h>
|
|
#include <binder/Permission.h>
|
|
|
|
#include <gui/Sensor.h>
|
|
#include <gui/SensorChannel.h>
|
|
#include <gui/ISensorServer.h>
|
|
#include <gui/ISensorEventConnection.h>
|
|
|
|
#include "SensorInterface.h"
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
struct sensors_poll_device_t;
|
|
struct sensors_module_t;
|
|
|
|
namespace android {
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class SensorService :
|
|
public BinderService<SensorService>,
|
|
public BnSensorServer,
|
|
protected Thread
|
|
{
|
|
friend class BinderService<SensorService>;
|
|
|
|
static const nsecs_t MINIMUM_EVENTS_PERIOD = 1000000; // 1000 Hz
|
|
|
|
SensorService();
|
|
virtual ~SensorService();
|
|
|
|
virtual void onFirstRef();
|
|
|
|
// Thread interface
|
|
virtual bool threadLoop();
|
|
|
|
// ISensorServer interface
|
|
virtual Vector<Sensor> getSensorList();
|
|
virtual sp<ISensorEventConnection> createSensorEventConnection();
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
|
|
|
|
class SensorEventConnection : public BnSensorEventConnection {
|
|
virtual ~SensorEventConnection();
|
|
virtual void onFirstRef();
|
|
virtual sp<SensorChannel> getSensorChannel() const;
|
|
virtual status_t enableDisable(int handle, bool enabled);
|
|
virtual status_t setEventRate(int handle, nsecs_t ns);
|
|
|
|
sp<SensorService> const mService;
|
|
sp<SensorChannel> const mChannel;
|
|
mutable Mutex mConnectionLock;
|
|
|
|
// protected by SensorService::mLock
|
|
SortedVector<int> mSensorInfo;
|
|
|
|
public:
|
|
SensorEventConnection(const sp<SensorService>& service);
|
|
|
|
status_t sendEvents(sensors_event_t const* buffer, size_t count,
|
|
sensors_event_t* scratch = NULL);
|
|
bool hasSensor(int32_t handle) const;
|
|
bool hasAnySensor() const;
|
|
bool addSensor(int32_t handle);
|
|
bool removeSensor(int32_t handle);
|
|
};
|
|
|
|
class SensorRecord {
|
|
SortedVector< wp<SensorEventConnection> > mConnections;
|
|
public:
|
|
SensorRecord(const sp<SensorEventConnection>& connection);
|
|
bool addConnection(const sp<SensorEventConnection>& connection);
|
|
bool removeConnection(const wp<SensorEventConnection>& connection);
|
|
size_t getNumConnections() const { return mConnections.size(); }
|
|
};
|
|
|
|
SortedVector< wp<SensorEventConnection> > getActiveConnections() const;
|
|
DefaultKeyedVector<int, SensorInterface*> getActiveVirtualSensors() const;
|
|
|
|
String8 getSensorName(int handle) const;
|
|
void recordLastValue(sensors_event_t const * buffer, size_t count);
|
|
static void sortEventBuffer(sensors_event_t* buffer, size_t count);
|
|
void registerSensor(SensorInterface* sensor);
|
|
void registerVirtualSensor(SensorInterface* sensor);
|
|
|
|
// constants
|
|
Vector<Sensor> mSensorList;
|
|
DefaultKeyedVector<int, SensorInterface*> mSensorMap;
|
|
Vector<SensorInterface *> mVirtualSensorList;
|
|
Permission mDump;
|
|
status_t mInitCheck;
|
|
|
|
// protected by mLock
|
|
mutable Mutex mLock;
|
|
DefaultKeyedVector<int, SensorRecord*> mActiveSensors;
|
|
DefaultKeyedVector<int, SensorInterface*> mActiveVirtualSensors;
|
|
SortedVector< wp<SensorEventConnection> > mActiveConnections;
|
|
|
|
// The size of this vector is constant, only the items are mutable
|
|
KeyedVector<int32_t, sensors_event_t> mLastEventSeen;
|
|
|
|
public:
|
|
static char const* getServiceName() { return "sensorservice"; }
|
|
|
|
void cleanupConnection(SensorEventConnection* connection);
|
|
status_t enable(const sp<SensorEventConnection>& connection, int handle);
|
|
status_t disable(const sp<SensorEventConnection>& connection, int handle);
|
|
status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns);
|
|
};
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_SENSOR_SERVICE_H
|