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
16 #include "display_event_handler.h"
17
18 #include "display_log.h"
19
20 namespace OHOS {
21 namespace DisplayPowerMgr {
DisplayEventHandler(const std::shared_ptr<AppExecFwk::EventRunner> & runner,const wptr<DisplayPowerMgrService> & parent)22 DisplayEventHandler::DisplayEventHandler(const std::shared_ptr<AppExecFwk::EventRunner>& runner,
23 const wptr<DisplayPowerMgrService>& parent) : AppExecFwk::EventHandler(runner), parent_(parent)
24 {
25 DISPLAY_HILOGD(COMP_SVC, "Instance created");
26 }
27
ProcessEvent(const AppExecFwk::InnerEvent::Pointer & event)28 void DisplayEventHandler::ProcessEvent(const AppExecFwk::InnerEvent::Pointer& event)
29 {
30 uint32_t eventId = event->GetInnerEventId();
31 int64_t param = event->GetParam();
32 auto callback = eventCallbackMap_.find(eventId);
33 if (callback != eventCallbackMap_.end()) {
34 DISPLAY_HILOGD(COMP_SVC, "Perform the display handler event callback, eventId: %{public}d", eventId);
35 callback->second(param);
36 return;
37 }
38 DISPLAY_HILOGI(COMP_SVC, "Start to process, eventId: %{public}d", eventId);
39 }
40
EmplaceCallBack(DisplayEventHandler::Event event,EventCallback & callback)41 void DisplayEventHandler::EmplaceCallBack(DisplayEventHandler::Event event, EventCallback& callback)
42 {
43 uint32_t eventId = static_cast<uint32_t>(event);
44 DISPLAY_HILOGI(COMP_SVC, "Register handler events, eventId: %{public}d", eventId);
45 if (eventCallbackMap_.find(eventId) != eventCallbackMap_.end()) {
46 DISPLAY_HILOGW(COMP_SVC, "Already registered, ignore registration eventId: %{public}d", eventId);
47 return;
48 }
49 eventCallbackMap_.emplace(eventId, callback);
50 }
51 } // namespace DisplayPowerMgr
52 } // namespace OHOS