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 #define MLOG_TAG "Subscribe"
16
17 #include "medialibrary_subscriber.h"
18
19 #include "appexecfwk_errors.h"
20 #include "bundle_info.h"
21 #include "common_event_manager.h"
22 #include "common_event_support.h"
23 #include "want.h"
24
25 #include "medialibrary_bundle_manager.h"
26 #include "medialibrary_data_manager.h"
27 #include "medialibrary_errno.h"
28 #include "media_log.h"
29 #include "media_scanner_manager.h"
30 #include "medialibrary_inotify.h"
31 #include "application_context.h"
32 #include "ability_manager_client.h"
33 using namespace OHOS::AAFwk;
34
35 namespace OHOS {
36 namespace Media {
37 const std::vector<std::string> MedialibrarySubscriber::events_ = {
38 EventFwk::CommonEventSupport::COMMON_EVENT_POWER_CONNECTED,
39 EventFwk::CommonEventSupport::COMMON_EVENT_POWER_DISCONNECTED,
40 EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF,
41 EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_ON,
42 EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED
43 };
44
MedialibrarySubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo)45 MedialibrarySubscriber::MedialibrarySubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo)
46 : EventFwk::CommonEventSubscriber(subscriberInfo)
47 {
48 isScreenOff_ = false;
49 isPowerConnected_ = false;
50 }
51
Subscribe(void)52 bool MedialibrarySubscriber::Subscribe(void)
53 {
54 EventFwk::MatchingSkills matchingSkills;
55 for (auto event : events_) {
56 matchingSkills.AddEvent(event);
57 }
58 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
59
60 std::shared_ptr<MedialibrarySubscriber> subscriber = std::make_shared<MedialibrarySubscriber>(subscribeInfo);
61 return EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber);
62 }
63
OnReceiveEvent(const EventFwk::CommonEventData & eventData)64 void MedialibrarySubscriber::OnReceiveEvent(const EventFwk::CommonEventData &eventData)
65 {
66 const AAFwk::Want& want = eventData.GetWant();
67 std::string action = want.GetAction();
68 MEDIA_INFO_LOG("OnReceiveEvent action:%{public}s.", action.c_str());
69 if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF) == 0) {
70 isScreenOff_ = true;
71 DoBackgroundOperation();
72 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_POWER_CONNECTED) == 0) {
73 isPowerConnected_ = true;
74 DoBackgroundOperation();
75 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_ON) == 0) {
76 isScreenOff_ = false;
77 StopBackgroundOperation();
78 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_POWER_DISCONNECTED) == 0) {
79 isPowerConnected_ = false;
80 StopBackgroundOperation();
81 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED) == 0) {
82 string packageName = want.GetElement().GetBundleName();
83 RevertPendingByPackage(packageName);
84 MediaLibraryBundleManager::GetInstance()->Clear();
85 }
86 }
87
DoBackgroundOperation()88 void MedialibrarySubscriber::DoBackgroundOperation()
89 {
90 if (isScreenOff_ && isPowerConnected_) {
91 std::shared_ptr<MediaLibraryDataManager> dataManager = MediaLibraryDataManager::GetInstance();
92 if (dataManager == nullptr) {
93 return;
94 }
95 auto result = dataManager->GenerateThumbnails();
96 if (result != E_OK) {
97 MEDIA_ERR_LOG("GenerateThumbnails faild");
98 }
99
100 result = dataManager->DoAging();
101 if (result != E_OK) {
102 MEDIA_ERR_LOG("DoAging faild");
103 }
104
105 result = dataManager->DoTrashAging();
106 if (result != E_OK) {
107 MEDIA_ERR_LOG("DoTrashAging faild");
108 }
109 auto watch = MediaLibraryInotify::GetInstance();
110 if (watch != nullptr) {
111 watch->DoAging();
112 }
113 auto scannerManager = MediaScannerManager::GetInstance();
114 if (scannerManager == nullptr) {
115 return;
116 }
117 scannerManager->ScanError();
118
119 MEDIA_DEBUG_LOG("DoBackgroundOperation success isScreenOff_ %{public}d, isPowerConnected_ %{public}d",
120 isScreenOff_, isPowerConnected_);
121 }
122 }
123
StopBackgroundOperation()124 void MedialibrarySubscriber::StopBackgroundOperation()
125 {
126 MediaLibraryDataManager::GetInstance()->InterruptBgworker();
127 }
128
DoStartMtpService()129 void MedialibrarySubscriber::DoStartMtpService()
130 {
131 AAFwk::Want want;
132 want.SetElementName("com.ohos.medialibrary.medialibrarydata", "MtpService");
133 auto abilityContext = AbilityRuntime::Context::GetApplicationContext();
134 ErrCode err = AAFwk::AbilityManagerClient::GetInstance()->StartAbility(want, abilityContext->GetToken(),
135 OHOS::AAFwk::DEFAULT_INVAL_VALUE);
136 MEDIA_INFO_LOG("MedialibrarySubscriber::DoStartMtpService. End calling StartAbility. ret=%{public}d", err);
137 }
138
RevertPendingByPackage(const std::string & bundleName)139 void MedialibrarySubscriber::RevertPendingByPackage(const std::string &bundleName)
140 {
141 MediaLibraryDataManager::GetInstance()->RevertPendingByPackage(bundleName);
142 }
143 } // namespace Media
144 } // namespace OHOS
145