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 #ifndef GEO_CONVERT_SERVICE_H
17 #define GEO_CONVERT_SERVICE_H
18 #ifdef FEATURE_GEOCODE_SUPPORT
19 
20 #include <mutex>
21 #include <singleton.h>
22 #include <string>
23 #include <vector>
24 
25 #include "event_runner.h"
26 #include "event_handler.h"
27 #include "ffrt.h"
28 #include "if_system_ability_manager.h"
29 #include "iremote_object.h"
30 #include "message_parcel.h"
31 #include "message_option.h"
32 #include "system_ability.h"
33 
34 #include "common_utils.h"
35 #include "constant_definition.h"
36 #include "geo_coding_mock_info.h"
37 #include "geo_convert_skeleton.h"
38 #include "ability_connect_callback_interface.h"
39 
40 namespace OHOS {
41 namespace Location {
42 enum class ServiceConnectState {
43     STATE_DISCONNECT,
44     STATE_CONNECTTING,
45     STATE_CONNECTTED,
46 };
47 
48 class GeoConvertHandler : public AppExecFwk::EventHandler {
49 public:
50     explicit GeoConvertHandler(const std::shared_ptr<AppExecFwk::EventRunner>& runner);
51     ~GeoConvertHandler() override;
52     void ProcessEvent(const AppExecFwk::InnerEvent::Pointer& event) override;
53 };
54 
55 class GeoServiceDeathRecipient : public IRemoteObject::DeathRecipient {
56 public:
57     void OnRemoteDied(const wptr<IRemoteObject> &remote) override;
58     GeoServiceDeathRecipient();
59     ~GeoServiceDeathRecipient() override;
60 };
61 
62 class GeoConvertService : public SystemAbility, public GeoConvertServiceStub {
63 DECLEAR_SYSTEM_ABILITY(GeoConvertService);
64 
65 public:
66     DISALLOW_COPY_AND_MOVE(GeoConvertService);
67     static GeoConvertService* GetInstance();
68 
69     GeoConvertService();
70     ~GeoConvertService() override;
71     void OnStart() override;
72     void OnStop() override;
QueryServiceState()73     ServiceRunningState QueryServiceState() const
74     {
75         return state_;
76     }
77     int IsGeoConvertAvailable(MessageParcel &reply) override;
78     int GetAddressByCoordinate(MessageParcel &data, MessageParcel &reply) override;
79     int GetAddressByLocationName(MessageParcel &data, MessageParcel &reply) override;
80     bool EnableReverseGeocodingMock() override;
81     bool DisableReverseGeocodingMock() override;
82     LocationErrCode SetReverseGeocodingMockInfo(std::vector<std::shared_ptr<GeocodingMockInfo>>& mockInfo) override;
83     int32_t Dump(int32_t fd, const std::vector<std::u16string>& args) override;
84     bool CancelIdleState() override;
85     void UnloadGeoConvertSystemAbility() override;
86 
87     bool ConnectService();
88     void NotifyConnected(const sptr<IRemoteObject>& remoteObject);
89     void DisconnectAbilityConnect();
90     void NotifyDisConnected();
91     bool ResetServiceProxy();
92     bool SendGeocodeRequest(int code, MessageParcel& dataParcel, MessageParcel& replyParcel, MessageOption& option);
93     ServiceConnectState GetServiceConnectState();
94     void SetServiceConnectState(ServiceConnectState connectState);
95 private:
96     bool Init();
97     static void SaDumpInfo(std::string& result);
98     int RemoteToService(uint32_t code, MessageParcel &data, MessageParcel &rep);
99     void ReportAddressMock(MessageParcel &data, MessageParcel &reply);
100     bool CheckIfGeoConvertConnecting();
101     bool GetService();
102     bool IsConnect();
103     bool IsConnecting();
104     void RegisterGeoServiceDeathRecipient();
105     void UnRegisterGeoServiceDeathRecipient();
106 
107     bool mockEnabled_ = false;
108     bool registerToService_ = false;
109     ServiceRunningState state_ = ServiceRunningState::STATE_NOT_START;
110     std::vector<std::shared_ptr<GeocodingMockInfo>> mockInfo_;
111     std::mutex mockInfoMutex_;
112     std::shared_ptr<GeoConvertHandler> geoConvertHandler_;
113 
114     std::mutex mutex_;
115     sptr<IRemoteObject> serviceProxy_ = nullptr;
116     std::condition_variable connectCondition_;
117     sptr<AAFwk::IAbilityConnection> conn_;
118     sptr<IRemoteObject::DeathRecipient> geoServiceRecipient_ =
119         sptr<GeoServiceDeathRecipient>(new (std::nothrow) GeoServiceDeathRecipient());
120     std::mutex connectStateMutex_;
121     ServiceConnectState connectState_ = ServiceConnectState::STATE_DISCONNECT;
122 };
123 } // namespace OHOS
124 } // namespace Location
125 #endif // FEATURE_GEOCODE_SUPPORT
126 #endif // GEO_CONVERT_SERVICE_H
127