1 /*
2 * Copyright (C) 2021 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_SERVER_GNSS_GNSSBATCHCALLBACK_H
18 #define _ANDROID_SERVER_GNSS_GNSSBATCHCALLBACK_H
19
20 #pragma once
21
22 #ifndef LOG_TAG
23 #error LOG_TAG must be defined before including this file.
24 #endif
25
26 #include <android/hardware/gnss/1.0/IGnssBatching.h>
27 #include <android/hardware/gnss/2.0/IGnssBatching.h>
28 #include <android/hardware/gnss/BnGnssBatchingCallback.h>
29 #include <log/log.h>
30
31 #include <vector>
32
33 #include "Utils.h"
34 #include "jni.h"
35
36 namespace android::gnss {
37
38 namespace {
39
40 extern jmethodID method_reportLocationBatch;
41
42 } // anonymous namespace
43
44 void GnssBatching_class_init_once(JNIEnv* env, jclass clazz);
45
46 class GnssBatchingCallbackAidl : public hardware::gnss::BnGnssBatchingCallback {
47 public:
GnssBatchingCallbackAidl()48 GnssBatchingCallbackAidl() {}
49 android::binder::Status gnssLocationBatchCb(
50 const std::vector<android::hardware::gnss::GnssLocation>& locations) override;
51 };
52
53 class GnssBatchingCallback_V1_0 : public hardware::gnss::V1_0::IGnssBatchingCallback {
54 public:
GnssBatchingCallback_V1_0()55 GnssBatchingCallback_V1_0() {}
56 hardware::Return<void> gnssLocationBatchCb(
57 const hardware::hidl_vec<hardware::gnss::V1_0::GnssLocation>& locations) override;
58 };
59
60 class GnssBatchingCallback_V2_0 : public hardware::gnss::V2_0::IGnssBatchingCallback {
61 public:
GnssBatchingCallback_V2_0()62 GnssBatchingCallback_V2_0() {}
63 hardware::Return<void> gnssLocationBatchCb(
64 const hardware::hidl_vec<hardware::gnss::V2_0::GnssLocation>& locations) override;
65 };
66
67 class GnssBatchingCallback {
68 public:
GnssBatchingCallback()69 GnssBatchingCallback() {}
getAidl()70 sp<GnssBatchingCallbackAidl> getAidl() {
71 if (callbackAidl == nullptr) {
72 callbackAidl = sp<GnssBatchingCallbackAidl>::make();
73 }
74 return callbackAidl;
75 }
76
getV1_0()77 sp<GnssBatchingCallback_V1_0> getV1_0() {
78 if (callbackV1_0 == nullptr) {
79 callbackV1_0 = sp<GnssBatchingCallback_V1_0>::make();
80 }
81 return callbackV1_0;
82 }
83
getV2_0()84 sp<GnssBatchingCallback_V2_0> getV2_0() {
85 if (callbackV2_0 == nullptr) {
86 callbackV2_0 = sp<GnssBatchingCallback_V2_0>::make();
87 }
88 return callbackV2_0;
89 }
90
91 private:
92 sp<GnssBatchingCallbackAidl> callbackAidl;
93 sp<GnssBatchingCallback_V1_0> callbackV1_0;
94 sp<GnssBatchingCallback_V2_0> callbackV2_0;
95 };
96
97 struct GnssBatchingCallbackUtil {
98 template <class T>
99 static hardware::Return<void> gnssLocationBatchCbImpl(const hardware::hidl_vec<T>& locations);
100
101 private:
102 GnssBatchingCallbackUtil() = delete;
103 };
104
105 template <class T>
gnssLocationBatchCbImpl(const hardware::hidl_vec<T> & locations)106 hardware::Return<void> GnssBatchingCallbackUtil::gnssLocationBatchCbImpl(
107 const hardware::hidl_vec<T>& locations) {
108 JNIEnv* env = getJniEnv();
109
110 jobjectArray jLocations = env->NewObjectArray(locations.size(), class_location, nullptr);
111
112 for (uint16_t i = 0; i < locations.size(); ++i) {
113 jobject jLocation = translateGnssLocation(env, locations[i]);
114 env->SetObjectArrayElement(jLocations, i, jLocation);
115 env->DeleteLocalRef(jLocation);
116 }
117
118 env->CallVoidMethod(android::getCallbacksObj(), method_reportLocationBatch, jLocations);
119 checkAndClearExceptionFromCallback(env, __FUNCTION__);
120
121 env->DeleteLocalRef(jLocations);
122
123 return hardware::Void();
124 }
125
126 } // namespace android::gnss
127
128 #endif // _ANDROID_SERVER_GNSS_GNSSBATCHCALLBACK_H