1 /*
2 * Copyright (c) 2023-2023 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 "param_event_manager.h"
17
18 #include <common_event_data.h>
19 #include <common_event_manager.h>
20 #include <common_event_support.h>
21 #include <memory>
22 #include <unistd.h>
23
24 #include "common_event_subscriber.h"
25 #include "file_util.h"
26 #include "logger.h"
27 #include "param_manager.h"
28 #include "param_reader.h"
29
30 namespace OHOS {
31 namespace HiviewDFX {
32 DEFINE_LOG_TAG("Hiview-ParamUpdate");
33 const std::string EVENT_INFO_TYPE = "type";
34 const std::string EVENT_INFO_SUBTYPE = "subtype";
35
~ParamEventManager()36 ParamEventManager::~ParamEventManager()
37 {
38 UnSubscriberEvent();
39 }
40
SubscriberEvent()41 void ParamEventManager::SubscriberEvent()
42 {
43 HIVIEW_LOGI("SubscriberEvent start.");
44 if (subscriber_) {
45 HIVIEW_LOGI("Common Event is already subscribered.");
46 return;
47 }
48
49 EventFwk::MatchingSkills matchingSkills;
50 matchingSkills.AddEvent(CONFIG_UPDATED_ACTION);
51 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
52 subscriber_ = std::make_shared<ParamCommonEventSubscriber>(subscribeInfo, *this);
53
54 bool subscribeResult = EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber_);
55 if (!subscribeResult) {
56 HIVIEW_LOGE("SubscriberEvent failed.");
57 subscriber_ = nullptr;
58 return;
59 }
60 };
61
UnSubscriberEvent()62 void ParamEventManager::UnSubscriberEvent()
63 {
64 if (subscriber_) {
65 bool subscribeResult = EventFwk::CommonEventManager::UnSubscribeCommonEvent(subscriber_);
66 HIVIEW_LOGI("subscribeResult = %{public}d", subscribeResult);
67 subscriber_ = nullptr;
68 }
69 };
70
OnReceiveEvent(const AAFwk::Want & want)71 void ParamEventManager::OnReceiveEvent(const AAFwk::Want &want)
72 {
73 std::string action = want.GetAction();
74 std::string type = want.GetStringParam(EVENT_INFO_TYPE);
75 std::string subtype = want.GetStringParam(EVENT_INFO_SUBTYPE);
76 HIVIEW_LOGI("recive param update event: %{public}s, %{public}s, %{public}s", action.c_str(), type.c_str(),
77 subtype.c_str());
78 if (action != CONFIG_UPDATED_ACTION || type != CONFIG_TYPE) {
79 HIVIEW_LOGI("ignore other event.");
80 return;
81 }
82 ParamManager::InitParam();
83 };
84 } // namespace HiviewDFX
85 } // namespace OHOS
86