1 /*
2  * Copyright (c) 2021-2023 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 "form_ams_helper.h"
17 
18 #include "ability_manager_interface.h"
19 #include "app_mgr_client.h"
20 #include "form_resource_observer.h"
21 #include "fms_log_wrapper.h"
22 #include "form_mgr_errors.h"
23 #include "form_serial_queue.h"
24 #include "if_system_ability_manager.h"
25 #include "in_process_call_wrapper.h"
26 #include "ipc_skeleton.h"
27 #include "iservice_registry.h"
28 #include "system_ability_definition.h"
29 
30 namespace OHOS {
31 namespace AppExecFwk {
FormAmsHelper()32 FormAmsHelper::FormAmsHelper()
33 {}
34 
~FormAmsHelper()35 FormAmsHelper::~FormAmsHelper()
36 {}
37 
38 /**
39  * @brief acquire a form ability manager, if it not existed,
40  * @return returns the ability manager ipc object, or nullptr for failed.
41  */
GetAbilityManager()42 sptr<AAFwk::IAbilityManager> FormAmsHelper::GetAbilityManager()
43 {
44     if (abilityManager_ == nullptr) {
45         sptr<ISystemAbilityManager> systemManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
46         if (systemManager == nullptr) {
47             HILOG_ERROR("get registry failed");
48             return nullptr;
49         }
50         sptr<IRemoteObject> remoteObject = systemManager->GetSystemAbility(ABILITY_MGR_SERVICE_ID);
51         if (remoteObject == nullptr) {
52             HILOG_ERROR("connect AbilityMgrService failed");
53             return nullptr;
54         }
55         HILOG_DEBUG("connect AbilityMgrService success");
56 
57         abilityManager_ = iface_cast<AAFwk::IAbilityManager>(remoteObject);
58     }
59 
60     return abilityManager_;
61 }
62 
63 /**
64  * @brief ConnectAbility, connect session with service ability.
65  * @param want Special want for service type's ability.
66  * @param connect Callback used to notify caller the result of connecting or disconnecting.
67  * @return Returns ERR_OK on success, others on failure.
68  */
ConnectServiceAbility(const Want & want,const sptr<AAFwk::IAbilityConnection> & connect)69 ErrCode FormAmsHelper::ConnectServiceAbility(
70     const Want &want, const sptr<AAFwk::IAbilityConnection> &connect)
71 {
72     HILOG_DEBUG("connect service ability");
73     sptr<AAFwk::IAbilityManager> ams = GetAbilityManager();
74     if (ams == nullptr) {
75         HILOG_ERROR("ability service not connect");
76         return ERR_APPEXECFWK_FORM_BIND_PROVIDER_FAILED;
77     }
78     return IN_PROCESS_CALL(ams->ConnectAbility(want, connect, nullptr));
79 }
80 /**
81  * @brief Disconnect ability, disconnect session with service ability.
82  * @param connect Callback used to notify caller the result of connecting or disconnecting.
83  * @return Returns ERR_OK on success, others on failure.
84  */
DisconnectServiceAbility(const sptr<AAFwk::IAbilityConnection> & connect)85 ErrCode FormAmsHelper::DisconnectServiceAbility(const sptr<AAFwk::IAbilityConnection> &connect)
86 {
87     HILOG_INFO("call");
88     sptr<AAFwk::IAbilityManager> ams = GetAbilityManager();
89     if (ams == nullptr) {
90         HILOG_ERROR("ability service not connect");
91         return ERR_APPEXECFWK_FORM_BIND_PROVIDER_FAILED;
92     }
93     return IN_PROCESS_CALL(ams->DisconnectAbility(connect));
94 }
95 /**
96  * @brief Disconnect ability delay, disconnect session with service ability.
97  * @param connect Callback used to notify caller the result of connecting or disconnecting.
98  * @param delayTime Specifying time to delay, default is FORM_DISCONNECT_DELAY_TIME.
99  * @return Returns ERR_OK on success, others on failure.
100  */
DisconnectServiceAbilityDelay(const sptr<AAFwk::IAbilityConnection> & connect,int delayTime)101 ErrCode FormAmsHelper::DisconnectServiceAbilityDelay(const sptr<AAFwk::IAbilityConnection> &connect, int delayTime)
102 {
103     if (serialQueue_ == nullptr) {
104         HILOG_ERROR("null serialQueue_");
105         return ERR_INVALID_OPERATION;
106     }
107     auto disConnectAbilityFunc = [connect]() {
108         FormAmsHelper::GetInstance().DisconnectAbilityTask(connect);
109     };
110     if (!serialQueue_->ScheduleTask(delayTime, disConnectAbilityFunc)) {
111         HILOG_ERROR("fail disconnect ability");
112         return ERR_APPEXECFWK_FORM_BIND_PROVIDER_FAILED;
113     }
114     return ERR_OK;
115 }
116 /**
117  * @brief StopExtensionAbility with want, send want to ability manager service.
118  * @param want The want of the ability to start.
119  * @return Returns ERR_OK on success, others on failure.
120  */
StopExtensionAbility(const Want & want)121 ErrCode FormAmsHelper::StopExtensionAbility(const Want &want)
122 {
123     HILOG_DEBUG("call");
124     sptr<AAFwk::IAbilityManager> ams = GetAbilityManager();
125     if (ams == nullptr) {
126         HILOG_ERROR("StopExtensionAbility ability service not connect");
127         return ERR_APPEXECFWK_FORM_BIND_PROVIDER_FAILED;
128     }
129     return IN_PROCESS_CALL(ams->StopExtensionAbility(want, nullptr));
130 }
131 /**
132  * @brief Add the ability manager instance for debug.
133  * @param abilityManager the ability manager ipc object.
134  */
SetAbilityManager(const sptr<AAFwk::IAbilityManager> & abilityManager)135 void FormAmsHelper::SetAbilityManager(const sptr<AAFwk::IAbilityManager> &abilityManager)
136 {
137     abilityManager_ = abilityManager;
138 }
139 
140 /**
141  * @brief Disconnect ability task, disconnect session with service ability.
142  * @param want Special want for service type's ability.
143  * @param connect Callback used to notify caller the result of connecting or disconnecting.
144  */
DisconnectAbilityTask(const sptr<AAFwk::IAbilityConnection> & connect)145 void FormAmsHelper::DisconnectAbilityTask(const sptr<AAFwk::IAbilityConnection> &connect)
146 {
147     sptr<AAFwk::IAbilityManager> ams = GetAbilityManager();
148     if (ams == nullptr) {
149         HILOG_ERROR("ability service not connect");
150         return;
151     }
152     IN_PROCESS_CALL_WITHOUT_RET(ams->DisconnectAbility(connect));
153 }
154 
StartAbility(const Want & want,int32_t userId)155 ErrCode FormAmsHelper::StartAbility(const Want &want, int32_t userId)
156 {
157     sptr<AAFwk::IAbilityManager> ams = GetAbilityManager();
158     if (ams == nullptr) {
159         HILOG_ERROR("ability service not connect");
160         return ERR_APPEXECFWK_FORM_BIND_PROVIDER_FAILED;
161     }
162     return IN_PROCESS_CALL(ams->StartAbility(want, userId));
163 }
164 
RegisterConfigurationObserver()165 void FormAmsHelper::RegisterConfigurationObserver()
166 {
167     HILOG_INFO("begin");
168     if (configurationObserver != nullptr) {
169         HILOG_WARN("configurationObserver not null");
170         return;
171     }
172     sptr<IConfigurationObserver> configurationObserver(new (std::nothrow) FormFwkResourceObserver());
173     if (configurationObserver == nullptr) {
174         HILOG_ERROR("create configurationObserver failed");
175         return;
176     }
177     auto appMgrClient = std::make_unique<AppMgrClient>();
178     if (appMgrClient == nullptr) {
179         HILOG_ERROR("create appMgrClient failed");
180         return;
181     }
182     appMgrClient->RegisterConfigurationObserver(configurationObserver);
183     HILOG_INFO("end");
184 }
185 
UnRegisterConfigurationObserver()186 void FormAmsHelper::UnRegisterConfigurationObserver()
187 {
188     HILOG_INFO("begin");
189     if (configurationObserver == nullptr) {
190         HILOG_WARN("null configurationObserver");
191         return;
192     }
193     auto appMgrClient = std::make_unique<AppMgrClient>();
194     if (appMgrClient == nullptr) {
195         HILOG_ERROR("create appMgrClient failed");
196         return;
197     }
198     appMgrClient->UnregisterConfigurationObserver(configurationObserver);
199     HILOG_INFO("end");
200 }
201 
202 }  // namespace AppExecFwk
203 }  // namespace OHOS
204