1 /*
2 * Copyright (c) 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 "application_state_observer.h"
17
18 #include <string>
19
20 #include "app_mgr_client.h"
21 #include "app_mgr_interface.h"
22 #include "app_process_data.h"
23 #include "iservice_registry.h"
24 #include "log.h"
25 #include "sys_mgr_client.h"
26 #include "system_ability.h"
27 #include "system_ability_definition.h"
28
29 namespace OHOS::Request {
ApplicationStateObserver()30 ApplicationStateObserver::ApplicationStateObserver()
31 {
32 }
33
~ApplicationStateObserver()34 ApplicationStateObserver::~ApplicationStateObserver()
35 {
36 }
37
GetInstance()38 ApplicationStateObserver &ApplicationStateObserver::GetInstance()
39 {
40 static ApplicationStateObserver observer;
41 return observer;
42 }
43
RegisterAppStateChanged(RegCallBack && callback)44 bool ApplicationStateObserver::RegisterAppStateChanged(RegCallBack &&callback)
45 {
46 REQUEST_HILOGD("RegisterAppState In");
47 sptr<AppProcessState> appProcessState = new (std::nothrow) AppProcessState(*this);
48 if (appProcessState == nullptr) {
49 REQUEST_HILOGE("create AppProcessState fail, not enough memory");
50 return false;
51 }
52 auto systemAbilityManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
53 if (systemAbilityManager == nullptr) {
54 REQUEST_HILOGE("get SystemAbilityManager failed.");
55 return false;
56 }
57 auto systemAbility = systemAbilityManager->GetSystemAbility(APP_MGR_SERVICE_ID);
58 if (systemAbility == nullptr) {
59 REQUEST_HILOGE("get SystemAbility failed.");
60 return false;
61 }
62 sptr<AppExecFwk::IAppMgr> appObject = iface_cast<AppExecFwk::IAppMgr>(systemAbility);
63 if (appObject) {
64 int ret = appObject->RegisterApplicationStateObserver(appProcessState);
65 if (ret == ERR_OK) {
66 REQUEST_HILOGD("register success");
67 appStateCallback_ = callback;
68 return true;
69 }
70 REQUEST_HILOGE("register fail, ret = %{public}d", ret);
71 return false;
72 }
73 REQUEST_HILOGD("RegisterAppState Out");
74 return false;
75 }
76
RegisterProcessDied(ProcessCallBack && callback)77 void ApplicationStateObserver::RegisterProcessDied(ProcessCallBack &&callback)
78 {
79 processCallback_ = callback;
80 }
81
OnForegroundApplicationChanged(const AppExecFwk::AppStateData & appStateData)82 void ApplicationStateObserver::AppProcessState::OnForegroundApplicationChanged(
83 const AppExecFwk::AppStateData &appStateData)
84 {
85 }
86
OnAbilityStateChanged(const AppExecFwk::AbilityStateData & abilityStateData)87 void ApplicationStateObserver::AppProcessState::OnAbilityStateChanged(
88 const AppExecFwk::AbilityStateData &abilityStateData)
89 {
90 REQUEST_HILOGD("OnAbilityStateChanged uid=%{public}d, bundleName=%{public}s,state=%{public}d",
91 abilityStateData.uid, abilityStateData.bundleName.c_str(), abilityStateData.abilityState);
92 RunAppStateCallback(abilityStateData.uid, abilityStateData.abilityState, abilityStateData.pid);
93 }
94
OnExtensionStateChanged(const AppExecFwk::AbilityStateData & extensionStateData)95 void ApplicationStateObserver::AppProcessState::OnExtensionStateChanged(
96 const AppExecFwk::AbilityStateData &extensionStateData)
97 {
98 }
99
OnProcessCreated(const AppExecFwk::ProcessData & processData)100 void ApplicationStateObserver::AppProcessState::OnProcessCreated(const AppExecFwk::ProcessData &processData)
101 {
102 }
103
OnProcessDied(const AppExecFwk::ProcessData & processData)104 void ApplicationStateObserver::AppProcessState::OnProcessDied(const AppExecFwk::ProcessData &processData)
105 {
106 REQUEST_HILOGD("OnProcessDied uid=%{public}d, bundleName=%{public}s, state=%{public}d, pid=%{public}d",
107 processData.uid, processData.bundleName.c_str(), static_cast<int32_t>(processData.state), processData.pid);
108 RunProcessDiedCallback(
109 processData.uid, static_cast<int32_t>(processData.state), processData.pid, processData.bundleName);
110 }
111
RunAppStateCallback(int32_t uid,int32_t state,int32_t pid)112 void ApplicationStateObserver::AppProcessState::RunAppStateCallback(int32_t uid, int32_t state, int32_t pid)
113 {
114 if (appStateObserver_.appStateCallback_ == nullptr) {
115 REQUEST_HILOGE("appStateObserver callback is nullptr");
116 return;
117 }
118 appStateObserver_.appStateCallback_(uid, state, pid);
119 }
120
RunProcessDiedCallback(int32_t uid,int32_t state,int32_t pid,const std::string & bundleName)121 void ApplicationStateObserver::AppProcessState::RunProcessDiedCallback(
122 int32_t uid, int32_t state, int32_t pid, const std::string &bundleName)
123 {
124 if (appStateObserver_.processCallback_ == nullptr) {
125 REQUEST_HILOGE("processStateObserver callback is nullptr");
126 return;
127 }
128 CStringWrapper name = WrapperCString(bundleName);
129 appStateObserver_.processCallback_(uid, state, pid, name);
130 }
131 } // namespace OHOS::Request
132
133 using namespace OHOS::Request;
RegisterAPPStateCallback(APPStateCallback fun)134 void RegisterAPPStateCallback(APPStateCallback fun)
135 {
136 ApplicationStateObserver::GetInstance().RegisterAppStateChanged(fun);
137 REQUEST_HILOGD("running RegisterAPPStateCallback");
138 }
139
RegisterProcessDiedCallback(ProcessStateCallback fun)140 void RegisterProcessDiedCallback(ProcessStateCallback fun)
141 {
142 ApplicationStateObserver::GetInstance().RegisterProcessDied(fun);
143 REQUEST_HILOGD("running RegisterProcessDiedCallback");
144 }
145