1/*
2 * Copyright (C) 2010 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_GUI_SENSOR_MANAGER_H
18#define ANDROID_GUI_SENSOR_MANAGER_H
19
20#include <map>
21#include <unordered_map>
22
23#include <stdint.h>
24#include <sys/types.h>
25
26#include <binder/IBinder.h>
27#include <binder/IPCThreadState.h>
28#include <binder/IServiceManager.h>
29
30#include <utils/Errors.h>
31#include <utils/StrongPointer.h>
32#include <utils/Vector.h>
33#include <utils/String8.h>
34
35#include <sensor/SensorEventQueue.h>
36
37// ----------------------------------------------------------------------------
38// Concrete types for the NDK
39struct ASensorManager { };
40
41struct native_handle;
42typedef struct native_handle native_handle_t;
43
44// ----------------------------------------------------------------------------
45namespace android {
46// ----------------------------------------------------------------------------
47
48class ISensorServer;
49class Sensor;
50class SensorEventQueue;
51// ----------------------------------------------------------------------------
52
53class SensorManager : public ASensorManager
54{
55public:
56    static SensorManager& getInstanceForPackage(const String16& packageName);
57    ~SensorManager();
58
59    ssize_t getSensorList(Sensor const* const** list);
60    ssize_t getDynamicSensorList(Vector<Sensor>& list);
61    Sensor const* getDefaultSensor(int type);
62    sp<SensorEventQueue> createEventQueue(String8 packageName = String8(""), int mode = 0);
63    bool isDataInjectionEnabled();
64    int createDirectChannel(size_t size, int channelType, const native_handle_t *channelData);
65    void destroyDirectChannel(int channelNativeHandle);
66    int configureDirectChannel(int channelNativeHandle, int sensorHandle, int rateLevel);
67    int setOperationParameter(int type, const Vector<float> &floats, const Vector<int32_t> &ints);
68
69private:
70    // DeathRecipient interface
71    void sensorManagerDied();
72    static status_t waitForSensorService(sp<ISensorServer> *server);
73
74    SensorManager(const String16& opPackageName);
75    status_t assertStateLocked();
76
77private:
78    static Mutex sLock;
79    static std::map<String16, SensorManager*> sPackageInstances;
80
81    Mutex mLock;
82    sp<ISensorServer> mSensorServer;
83    Sensor const** mSensorList;
84    Vector<Sensor> mSensors;
85    sp<IBinder::DeathRecipient> mDeathObserver;
86    const String16 mOpPackageName;
87    std::unordered_map<int, sp<ISensorEventConnection>> mDirectConnection;
88    int32_t mDirectConnectionHandle;
89};
90
91// ----------------------------------------------------------------------------
92}; // namespace android
93
94#endif // ANDROID_GUI_SENSOR_MANAGER_H
95