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 "parameters.h"
22 #include "usb_srv_client.h"
23 #include "usb_srv_support.h"
24 #include "mtp_service.h"
25 #include "mtp_manager.h"
26
27 namespace OHOS {
28 namespace Media {
29 const char *MTP_SERVER_DISABLE = "persist.edm.mtp_server_disable";
30
MtpSubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo)31 MtpSubscriber::MtpSubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo)
32 : EventFwk::CommonEventSubscriber(subscriberInfo)
33 {
34 }
35
Subscribe(void)36 bool MtpSubscriber::Subscribe(void)
37 {
38 EventFwk::MatchingSkills matchingSkills;
39 matchingSkills.AddEvent(EventFwk::CommonEventSupport::COMMON_EVENT_USB_STATE);
40 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
41 std::shared_ptr<MtpSubscriber> subscriber = std::make_shared<MtpSubscriber>(subscribeInfo);
42 return EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber);
43 }
44
OnReceiveEvent(const EventFwk::CommonEventData & eventData)45 void MtpSubscriber::OnReceiveEvent(const EventFwk::CommonEventData &eventData)
46 {
47 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent");
48 const AAFwk::Want &want = eventData.GetWant();
49 std::string action = want.GetAction();
50 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent action = %{public}s", action.c_str());
51 if (action != EventFwk::CommonEventSupport::COMMON_EVENT_USB_STATE) {
52 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent action = %{public}s", action.c_str());
53 }
54 for (std::string k : want.GetParams().KeySet()) {
55 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent key = %{public}s", k.c_str());
56 }
57 bool isConnected = want.GetBoolParam(std::string {USB::UsbSrvSupport::CONNECTED}, false);
58 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent eventData.GetCode = %{public}d isConnected= %{public}d",
59 eventData.GetCode(), isConnected);
60 if (!isConnected) {
61 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB disconnected");
62 MtpManager::GetInstance().StopMtpService();
63 return;
64 }
65 MtpManager::GetInstance().StopMtpService();
66 bool isMtp = want.GetBoolParam(std::string {USB::UsbSrvSupport::FUNCTION_NAME_MTP}, false);
67 if (isMtp) {
68 std::string param(MTP_SERVER_DISABLE);
69 bool mtpDisable = system::GetBoolParameter(param, false);
70 if (mtpDisable) {
71 MEDIA_INFO_LOG("MtpSubscriber MTP Manager persist.edm.mtp_server_disable = true");
72 } else {
73 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB MTP connected");
74 MtpManager::GetInstance().StartMtpService(MtpManager::MtpMode::MTP_MODE);
75 }
76 return;
77 }
78 bool isPtp = want.GetBoolParam(std::string {USB::UsbSrvSupport::FUNCTION_NAME_PTP}, false);
79 if (isPtp) {
80 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB PTP connected");
81 MtpManager::GetInstance().StartMtpService(MtpManager::MtpMode::PTP_MODE);
82 return;
83 }
84 MEDIA_INFO_LOG("MtpSubscriber OnReceiveEvent USB NOT MTP/PTP, Only HDC");
85 return;
86 }
87 } // namespace Media
88 } // namespace OHOS
89