1 /*
2  * Copyright (C) 2016 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_hardware_gnss_V1_0_GnssGeofencing_H_
18 #define android_hardware_gnss_V1_0_GnssGeofencing_H_
19 
20 #include <ThreadCreationWrapper.h>
21 #include <android/hardware/gnss/1.0/IGnssGeofencing.h>
22 #include <hidl/Status.h>
23 #include <hardware/gps.h>
24 
25 namespace android {
26 namespace hardware {
27 namespace gnss {
28 namespace V1_0 {
29 namespace implementation {
30 
31 using ::android::hardware::gnss::V1_0::IGnssGeofenceCallback;
32 using ::android::hardware::gnss::V1_0::IGnssGeofencing;
33 using ::android::hardware::Return;
34 using ::android::hardware::Void;
35 using ::android::hardware::hidl_vec;
36 using ::android::hardware::hidl_string;
37 using ::android::sp;
38 
39 /*
40  * Interface for GNSS Geofencing support. It also contains wrapper methods to allow
41  * methods from IGnssGeofenceCallback interface to be passed into the
42  * conventional implementation of the GNSS HAL.
43  */
44 struct GnssGeofencing : public IGnssGeofencing {
45     GnssGeofencing(const GpsGeofencingInterface* gpsGeofencingIface);
46     ~GnssGeofencing();
47 
48     /*
49      * Methods from ::android::hardware::gnss::V1_0::IGnssGeofencing follow.
50      * These declarations were generated from IGnssGeofencing.hal.
51      */
52     Return<void> setCallback(const sp<IGnssGeofenceCallback>& callback)  override;
53     Return<void> addGeofence(int32_t geofenceId,
54                              double latitudeDegrees,
55                              double longitudeDegrees,
56                              double radiusMeters,
57                              IGnssGeofenceCallback::GeofenceTransition lastTransition,
58                              int32_t monitorTransitions,
59                              uint32_t notificationResponsivenessMs,
60                              uint32_t unknownTimerMs)  override;
61 
62     Return<void> pauseGeofence(int32_t geofenceId)  override;
63     Return<void> resumeGeofence(int32_t geofenceId, int32_t monitorTransitions)  override;
64     Return<void> removeGeofence(int32_t geofenceId)  override;
65 
66     /*
67      * Callback methods to be passed into the conventional GNSS HAL by the default
68      * implementation. These methods are not part of the IGnssGeofencing base class.
69      */
70     static void gnssGfTransitionCb(int32_t geofence_id, GpsLocation* location,
71                                    int32_t transition, GpsUtcTime timestamp);
72     static void gnssGfStatusCb(int32_t status, GpsLocation* last_location);
73     static void gnssGfAddCb(int32_t geofence_id, int32_t status);
74     static void gnssGfRemoveCb(int32_t geofence_id, int32_t status);
75     static void gnssGfPauseCb(int32_t geofence_id, int32_t status);
76     static void gnssGfResumeCb(int32_t geofence_id, int32_t status);
77     static pthread_t createThreadCb(const char* name, void (*start)(void*), void* arg);
78 
79     /*
80      * Holds function pointers to the callback methods.
81      */
82     static GpsGeofenceCallbacks sGnssGfCb;
83 
84  private:
85     static std::vector<std::unique_ptr<ThreadFuncArgs>> sThreadFuncArgsList;
86     static sp<IGnssGeofenceCallback> mGnssGeofencingCbIface;
87     const GpsGeofencingInterface* mGnssGeofencingIface = nullptr;
88     static bool sInterfaceExists;
89 };
90 
91 }  // namespace implementation
92 }  // namespace V1_0
93 }  // namespace gnss
94 }  // namespace hardware
95 }  // namespace android
96 
97 #endif  // android_hardware_gnss_V1_0_GnssGeofencing_H_
98