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_data_manager.h"
26 #include "medialibrary_errno.h"
27 #include "media_log.h"
28 #include "media_scanner_manager.h"
29
30 using namespace OHOS::AAFwk;
31
32 namespace OHOS {
33 namespace Media {
34 const std::vector<std::string> MedialibrarySubscriber::events_ = {
35 EventFwk::CommonEventSupport::COMMON_EVENT_POWER_CONNECTED,
36 EventFwk::CommonEventSupport::COMMON_EVENT_POWER_DISCONNECTED,
37 EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF,
38 EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_ON
39 };
40
MedialibrarySubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo)41 MedialibrarySubscriber::MedialibrarySubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo)
42 : EventFwk::CommonEventSubscriber(subscriberInfo)
43 {
44 isScreenOff_ = false;
45 isPowerConnected_ = false;
46 }
47
Subscribe(void)48 bool MedialibrarySubscriber::Subscribe(void)
49 {
50 EventFwk::MatchingSkills matchingSkills;
51 for (auto event : events_) {
52 matchingSkills.AddEvent(event);
53 }
54 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
55
56 std::shared_ptr<MedialibrarySubscriber> subscriber = std::make_shared<MedialibrarySubscriber>(subscribeInfo);
57 return EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber);
58 }
59
OnReceiveEvent(const EventFwk::CommonEventData & eventData)60 void MedialibrarySubscriber::OnReceiveEvent(const EventFwk::CommonEventData &eventData)
61 {
62 const AAFwk::Want& want = eventData.GetWant();
63 std::string action = want.GetAction();
64 MEDIA_INFO_LOG("OnReceiveEvent action:%{public}s.", action.c_str());
65
66 if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF) == 0) {
67 isScreenOff_ = true;
68 DoBackgroundOperation();
69 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_POWER_CONNECTED) == 0) {
70 isPowerConnected_ = true;
71 DoBackgroundOperation();
72 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_ON) == 0) {
73 isScreenOff_ = false;
74 StopBackgroundOperation();
75 } else if (action.compare(EventFwk::CommonEventSupport::COMMON_EVENT_POWER_DISCONNECTED) == 0) {
76 isPowerConnected_ = false;
77 StopBackgroundOperation();
78 }
79 }
80
DoBackgroundOperation()81 void MedialibrarySubscriber::DoBackgroundOperation()
82 {
83 if (isScreenOff_ && isPowerConnected_) {
84 std::shared_ptr<MediaLibraryDataManager> dataManager = MediaLibraryDataManager::GetInstance();
85 if (dataManager == nullptr) {
86 return;
87 }
88 auto result = dataManager->GenerateThumbnails();
89 if (result != E_OK) {
90 MEDIA_ERR_LOG("GenerateThumbnails faild");
91 }
92
93 result = dataManager->DoAging();
94 if (result != E_OK) {
95 MEDIA_ERR_LOG("DoAging faild");
96 }
97 } else {
98 MEDIA_DEBUG_LOG("DoBackgroundOperation success isScreenOff_ %{public}d, isPowerConnected_ %{public}d",
99 isScreenOff_, isPowerConnected_);
100 }
101 }
102
StopBackgroundOperation()103 void MedialibrarySubscriber::StopBackgroundOperation()
104 {
105 MediaLibraryDataManager::GetInstance()->InterruptBgworker();
106 }
107 } // namespace Media
108 } // namespace OHOS
109