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 #define MLOG_TAG "MtpSubscriber"
16
17 #include "mtp_subscriber.h"
18 #include "common_event_manager.h"
19 #include "common_event_support.h"
20 #include "media_log.h"
21 #include "usb_srv_support.h"
22 #include "mtp_service.h"
23 #include "mtp_manager.h"
24
25 namespace OHOS {
26 namespace Media {
27
MtpSubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo)28 MtpSubscriber::MtpSubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo)
29 : EventFwk::CommonEventSubscriber(subscriberInfo)
30 {
31 }
32
Subscribe(void)33 bool MtpSubscriber::Subscribe(void)
34 {
35 EventFwk::MatchingSkills matchingSkills;
36 matchingSkills.AddEvent(EventFwk::CommonEventSupport::COMMON_EVENT_USB_STATE);
37 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
38 std::shared_ptr<MtpSubscriber> subscriber = std::make_shared<MtpSubscriber>(subscribeInfo);
39 return EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber);
40 }
41
OnReceiveEvent(const EventFwk::CommonEventData & eventData)42 void MtpSubscriber::OnReceiveEvent(const EventFwk::CommonEventData &eventData)
43 {
44 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent");
45 const AAFwk::Want &want = eventData.GetWant();
46 std::string action = want.GetAction();
47 if (action != EventFwk::CommonEventSupport::COMMON_EVENT_USB_STATE) {
48 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent action = %{public}s", action.c_str());
49 }
50 for (std::string k : want.GetParams().KeySet()) {
51 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent key = %{public}s", k.c_str());
52 }
53 bool isConnected = want.GetBoolParam(std::string {USB::UsbSrvSupport::CONNECTED}, false);
54 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent eventData.GetCode = %{public}d isConnected= %{public}d",
55 eventData.GetCode(), isConnected);
56 if (!isConnected) {
57 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB disconnected");
58 MtpManager::GetInstance().StopMtpService();
59 return;
60 }
61 MtpManager::GetInstance().StopMtpService();
62 bool isMtp = want.GetBoolParam(std::string {USB::UsbSrvSupport::FUNCTION_NAME_MTP}, false);
63 if (isMtp) {
64 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB MTP connected");
65 MtpManager::GetInstance().StartMtpService(MtpManager::MtpMode::MTP_MODE);
66 return;
67 }
68 bool isPtp = want.GetBoolParam(std::string {USB::UsbSrvSupport::FUNCTION_NAME_PTP}, false);
69 if (isPtp) {
70 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB PTP connected");
71 MtpManager::GetInstance().StartMtpService(MtpManager::MtpMode::PTP_MODE);
72 return;
73 }
74 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB NOT MTP/PTP, Only HDC");
75 return;
76 }
77 } // namespace Media
78 } // namespace OHOS
79