1 /*
2 * Copyright (c) 2021 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 "thermal_common_event_receiver.h"
17 #include <common_event_manager.h>
18 #include <common_event_support.h>
19 #include <unistd.h>
20 #include "thermal_common.h"
21
22 using namespace OHOS::AAFwk;
23 using namespace OHOS::EventFwk;
24
25 namespace OHOS {
26 namespace PowerMgr {
27 namespace {
28 const int32_t DELAY_TIME = 50000;
29 }
~ThermalCommonEventReceiver()30 ThermalCommonEventReceiver::~ThermalCommonEventReceiver()
31 {
32 if (subscriber_ != nullptr) {
33 CommonEventManager::UnSubscribeCommonEvent(subscriber_);
34 }
35 }
36
AddEvent(std::string eventName,EventHandle callback)37 void ThermalCommonEventReceiver::AddEvent(std::string eventName, EventHandle callback)
38 {
39 THERMAL_HILOGI(COMP_SVC, "add common event: %{public}s", eventName.c_str());
40 InitEventHandles(eventName, callback);
41 }
42
Register()43 bool ThermalCommonEventReceiver::Register()
44 {
45 return RegisterSubscriber(GetSubscribeInfo());
46 }
47
InitEventHandles(std::string eventName,EventHandle callback)48 void ThermalCommonEventReceiver::InitEventHandles(std::string eventName, EventHandle callback)
49 {
50 THERMAL_HILOGD(COMP_SVC, "Add Event: %{public}s", eventName.c_str());
51 eventHandles_.insert(std::make_pair(eventName, callback));
52 }
53
GetSubscribeInfo() const54 sptr<CesInfo> ThermalCommonEventReceiver::GetSubscribeInfo() const
55 {
56 MatchingSkills skill;
57 for (auto &eh : eventHandles_) {
58 skill.AddEvent(eh.first);
59 }
60 sptr<CesInfo> info = new CesInfo(skill);
61 info->SetThreadMode(CesInfo::COMMON);
62 return info;
63 }
64
RegisterSubscriber(const sptr<CesInfo> & info)65 bool ThermalCommonEventReceiver::RegisterSubscriber(const sptr<CesInfo>& info)
66 {
67 THERMAL_HILOGD(COMP_SVC, "Enter");
68 static const int32_t MAX_RETRY_TIMES = 2;
69
70 auto succeed = false;
71 std::shared_ptr<Ces> s = std::make_shared<EventSubscriber>(info, eventHandles_);
72 for (int32_t tryTimes = 0; tryTimes < MAX_RETRY_TIMES; tryTimes++) {
73 THERMAL_HILOGI(COMP_SVC, "start subscribe");
74 succeed = CommonEventManager::SubscribeCommonEvent(s);
75 if (succeed) {
76 break;
77 }
78 THERMAL_HILOGE(COMP_SVC, "Sleep for a while and retry to register subscriber");
79 usleep(DELAY_TIME);
80 }
81 if (!succeed) {
82 THERMAL_HILOGE(COMP_SVC, "Failed to register subscriber");
83 return false;
84 }
85 subscriber_ = s;
86 THERMAL_HILOGI(COMP_SVC, "Succeed to register subscriber");
87 return true;
88 }
89
HandleEventChanged(const CommonEventData & data) const90 void ThermalCommonEventReceiver::HandleEventChanged(const CommonEventData& __attribute__((unused))data) const
91 {
92 THERMAL_HILOGD(COMP_SVC, "Enter");
93 }
94
HandleEvent(const OHOS::EventFwk::CommonEventData & data)95 void ThermalCommonEventReceiver::EventSubscriber::HandleEvent(const OHOS::EventFwk::CommonEventData &data)
96 {
97 auto action = data.GetWant().GetAction();
98 auto it = eventHandles_.find(action);
99 if (it == eventHandles_.end()) {
100 THERMAL_HILOGE(COMP_SVC, "Ignore event: %{public}s", action.c_str());
101 return;
102 }
103 THERMAL_HILOGD(COMP_SVC, "Handle Event: %{public}s", action.c_str());
104 auto func = it->second;
105 if (func) {
106 it->second(data);
107 }
108 }
109 } // namespace PowerMgr
110 } // namespace OHOS