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
22#include <stdint.h>
23#include <sys/types.h>
24
25#include <binder/IBinder.h>
26#include <binder/IPCThreadState.h>
27#include <binder/IServiceManager.h>
28
29#include <utils/Errors.h>
30#include <utils/RefBase.h>
31#include <utils/Singleton.h>
32#include <utils/Vector.h>
33#include <utils/String8.h>
34
35#include <gui/SensorEventQueue.h>
36
37// ----------------------------------------------------------------------------
38// Concrete types for the NDK
39struct ASensorManager { };
40
41// ----------------------------------------------------------------------------
42namespace android {
43// ----------------------------------------------------------------------------
44
45class ISensorServer;
46class Sensor;
47class SensorEventQueue;
48// ----------------------------------------------------------------------------
49
50class SensorManager :
51    public ASensorManager
52{
53public:
54    static SensorManager& getInstanceForPackage(const String16& packageName);
55    ~SensorManager();
56
57    ssize_t getSensorList(Sensor const* const** list);
58    ssize_t getDynamicSensorList(Vector<Sensor>& list);
59    Sensor const* getDefaultSensor(int type);
60    sp<SensorEventQueue> createEventQueue(String8 packageName = String8(""), int mode = 0);
61    bool isDataInjectionEnabled();
62
63private:
64    // DeathRecipient interface
65    void sensorManagerDied();
66
67    SensorManager(const String16& opPackageName);
68    status_t assertStateLocked();
69
70private:
71    static Mutex sLock;
72    static std::map<String16, SensorManager*> sPackageInstances;
73
74    Mutex mLock;
75    sp<ISensorServer> mSensorServer;
76    Sensor const** mSensorList;
77    Vector<Sensor> mSensors;
78    sp<IBinder::DeathRecipient> mDeathObserver;
79    const String16 mOpPackageName;
80};
81
82// ----------------------------------------------------------------------------
83}; // namespace android
84
85#endif // ANDROID_GUI_SENSOR_MANAGER_H
86