1 /*
2  * Copyright (c) 2024 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 "app_manager_utils.h"
17 
18 #include "power_log.h"
19 #include <app_mgr_interface.h>
20 #include <if_system_ability_manager.h>
21 #include <iservice_registry.h>
22 
23 namespace OHOS {
24 namespace PowerMgr {
25 static constexpr uint32_t APP_MGR_SERVICE_ID = 501;
26 sptr<OHOS::AppExecFwk::IAppMgr> AppManagerUtils::appManagerInstance_ = nullptr;
27 
GetAppManagerInstance()28 sptr<OHOS::AppExecFwk::IAppMgr> AppManagerUtils::GetAppManagerInstance()
29 {
30     if (appManagerInstance_) {
31         return appManagerInstance_;
32     }
33 
34     sptr<OHOS::ISystemAbilityManager> abilityMgr =
35         OHOS::SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
36     if (abilityMgr == nullptr) {
37         POWER_HILOGE(FEATURE_UTIL, "Failed to get ISystemAbilityManager");
38         return nullptr;
39     }
40     sptr<IRemoteObject> remoteObject = abilityMgr->GetSystemAbility(APP_MGR_SERVICE_ID);
41     if (remoteObject == nullptr) {
42         POWER_HILOGE(FEATURE_UTIL, "Failed to get app manager service, id=%{public}u", APP_MGR_SERVICE_ID);
43         return nullptr;
44     }
45     sptr<OHOS::AppExecFwk::IAppMgr> appMgrProxy = iface_cast<OHOS::AppExecFwk::IAppMgr>(remoteObject);
46     if (appMgrProxy == nullptr || !appMgrProxy->AsObject()) {
47         POWER_HILOGE(FEATURE_UTIL, "Failed to get app manager proxy");
48         return nullptr;
49     }
50     appManagerInstance_ = appMgrProxy;
51     return appManagerInstance_;
52 }
53 
GetForegroundApplications(std::vector<OHOS::AppExecFwk::AppStateData> & appsData)54 void AppManagerUtils::GetForegroundApplications(std::vector<OHOS::AppExecFwk::AppStateData>& appsData)
55 {
56     auto appMgr = GetAppManagerInstance();
57     if (!appMgr) {
58         return;
59     }
60     int32_t ret = appMgr->GetForegroundApplications(appsData);
61     POWER_HILOGI(
62         FEATURE_UTIL, "GetForegroundApplications, ret: %{public}u, num of apps: %{public}zu", ret, appsData.size());
63 }
64 
IsForegroundApplication(const std::string & appName)65 bool AppManagerUtils::IsForegroundApplication(const std::string& appName)
66 {
67     if (appName.empty()) {
68         POWER_HILOGW(FEATURE_UTIL, "IsForegroundApplication: app name is empty");
69         return false;
70     }
71 
72     bool IsForeground = false;
73     std::vector<OHOS::AppExecFwk::AppStateData> appsData;
74     GetForegroundApplications(appsData);
75     for (const auto& curApp : appsData) {
76         if (curApp.bundleName == appName) {
77             IsForeground = true;
78             break;
79         }
80     }
81     POWER_HILOGI(FEATURE_UTIL, "IsForegroundApplication, ret: %{public}u", static_cast<uint32_t>(IsForeground));
82     return IsForeground;
83 }
84 
85 } // namespace PowerMgr
86 } // namespace OHOS