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1 /*
2  * Copyright (C) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "fusion_controller.h"
17 #include "system_ability_definition.h"
18 #include "common_utils.h"
19 #include "constant_definition.h"
20 #include "location_log.h"
21 #ifdef FEATURE_NETWORK_SUPPORT
22 #include "network_ability_proxy.h"
23 #endif
24 
25 namespace OHOS {
26 namespace Location {
27 const uint32_t FUSION_DEFAULT_FLAG = 0;
28 const uint32_t FUSION_BASE_FLAG = 1;
29 const uint32_t REPORT_FUSED_LOCATION_FLAG = FUSION_BASE_FLAG;
30 const uint32_t QUICK_FIX_FLAG = FUSION_BASE_FLAG << 1;
31 #ifdef FEATURE_NETWORK_SUPPORT
32 const uint32_t NETWORK_SELF_REQUEST = 4;
33 #endif
34 
ActiveFusionStrategies(int type)35 void FusionController::ActiveFusionStrategies(int type)
36 {
37     if (needReset_) {
38         fusedFlag_ = FUSION_DEFAULT_FLAG;
39         needReset_ = false;
40     }
41     switch (type) {
42         case SCENE_NAVIGATION:
43         case SCENE_TRAJECTORY_TRACKING:
44             break;
45         case PRIORITY_FAST_FIRST_FIX:
46             fusedFlag_ = fusedFlag_ | REPORT_FUSED_LOCATION_FLAG;
47             LBSLOGI(FUSION_CONTROLLER, "enable basic fused report");
48             break;
49         default:
50             break;
51     }
52 }
53 
Process(std::string abilityName)54 void FusionController::Process(std::string abilityName)
55 {
56     needReset_ = true;
57     if (GNSS_ABILITY.compare(abilityName) != 0) {
58         return;
59     }
60     LBSLOGI(FUSION_CONTROLLER, "fused flag:%{public}u", fusedFlag_);
61 #ifdef FEATURE_NETWORK_SUPPORT
62     RequestQuickFix(fusedFlag_ & QUICK_FIX_FLAG);
63 #endif
64 }
65 
FuseResult(std::string abilityName,const std::unique_ptr<Location> & location)66 void FusionController::FuseResult(std::string abilityName, const std::unique_ptr<Location>& location)
67 {
68     if (GNSS_ABILITY.compare(abilityName) == 0) {
69 #ifdef FEATURE_NETWORK_SUPPORT
70         RequestQuickFix(false);
71 #endif
72     }
73 }
74 
75 #ifdef FEATURE_NETWORK_SUPPORT
RequestQuickFix(bool state)76 void FusionController::RequestQuickFix(bool state)
77 {
78     sptr<IRemoteObject> remoteObject = CommonUtils::GetRemoteObject(LOCATION_NETWORK_LOCATING_SA_ID);
79     if (remoteObject == nullptr) {
80         LBSLOGW(FUSION_CONTROLLER, "can not get network ability remote object");
81         return;
82     }
83     MessageParcel data;
84     MessageParcel reply;
85     MessageOption option;
86     if (!data.WriteInterfaceToken(NetworkAbilityProxy::GetDescriptor())) {
87         return;
88     }
89     data.WriteBool(state);
90     remoteObject->SendRequest(NETWORK_SELF_REQUEST, data, reply, option);
91 }
92 #endif
93 } // namespace Location
94 } // namespace OHOS