1 /*
2  * Copyright (C) 2017 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 CHRE_PLATFORM_SHARED_PLATFORM_GNSS_BASE_H_
18 #define CHRE_PLATFORM_SHARED_PLATFORM_GNSS_BASE_H_
19 
20 #include "chre/pal/gnss.h"
21 #include "chre/platform/shared/platform_pal.h"
22 
23 namespace chre {
24 
25 /**
26  * Provides an instance of the PlatformGnssBase class that uses the CHRE PAL to
27  * access the wifi subsystem.
28  */
29 class PlatformGnssBase : public PlatformPal {
30  protected:
31   //! The instance of callbacks that are provided to the CHRE PAL.
32   static const chrePalGnssCallbacks sGnssCallbacks;
33 
34   //! The instance of the CHRE PAL API. This will be set to nullptr if the
35   //! platform does not supply an implementation.
36   const chrePalGnssApi *mGnssApi;
37 
38   //! Event handlers for the CHRE GNSS PAL. Refer to chre/pal/gnss.h for futher
39   //! information.
40   static void requestStateResyncCallback();
41   static void locationStatusChangeCallback(bool enabled, uint8_t errorCode);
42   static void locationEventCallback(struct chreGnssLocationEvent *event);
43   static void measurementStatusChangeCallback(bool enabled, uint8_t errorCode);
44   static void measurementEventCallback(struct chreGnssDataEvent *event);
45 };
46 
47 }  // namespace chre
48 
49 #endif  // CHRE_PLATFORM_SHARED_PLATFORM_GNSS_BASE_H_
50