1 /*
2 * Copyright (c) 2021-2022 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_power_controller.h"
17 #include "display_manager_service.h"
18 #include "display_manager_agent_controller.h"
19 #include "window_manager_hilog.h"
20
21 namespace OHOS {
22 namespace Rosen {
23
SuspendBegin(PowerStateChangeReason reason)24 bool DisplayPowerController::SuspendBegin(PowerStateChangeReason reason)
25 {
26 TLOGI(WmsLogTag::DMS, "reason:%{public}u", reason);
27 std::map<DisplayId, sptr<DisplayInfo>> emptyMap;
28 displayStateChangeListener_(DISPLAY_ID_INVALID, nullptr, emptyMap, DisplayStateChangeType::BEFORE_SUSPEND);
29 return true;
30 }
31
SetDisplayState(DisplayState state)32 bool DisplayPowerController::SetDisplayState(DisplayState state)
33 {
34 TLOGI(WmsLogTag::DMS, "state:%{public}u", state);
35 {
36 std::lock_guard<std::recursive_mutex> lock(mutex_);
37 if (displayState_ == state) {
38 TLOGE(WmsLogTag::DMS, "state is already set");
39 return false;
40 }
41 }
42 switch (state) {
43 case DisplayState::ON: {
44 {
45 std::lock_guard<std::recursive_mutex> lock(mutex_);
46 displayState_ = state;
47 }
48 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DISPLAY_ON,
49 EventStatus::BEGIN);
50 break;
51 }
52 case DisplayState::OFF: {
53 {
54 std::lock_guard<std::recursive_mutex> lock(mutex_);
55 displayState_ = state;
56 }
57 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DISPLAY_OFF,
58 EventStatus::BEGIN);
59 break;
60 }
61 default: {
62 TLOGW(WmsLogTag::DMS, "unknown DisplayState!");
63 return false;
64 }
65 }
66 DisplayManagerAgentController::GetInstance().NotifyDisplayStateChanged(DISPLAY_ID_INVALID, state);
67 return true;
68 }
69
GetDisplayState(DisplayId displayId)70 DisplayState DisplayPowerController::GetDisplayState(DisplayId displayId)
71 {
72 return displayState_;
73 }
74
NotifyDisplayEvent(DisplayEvent event)75 void DisplayPowerController::NotifyDisplayEvent(DisplayEvent event)
76 {
77 TLOGI(WmsLogTag::DMS, "DisplayEvent:%{public}u", event);
78 if (event == DisplayEvent::UNLOCK) {
79 std::map<DisplayId, sptr<DisplayInfo>> emptyMap;
80 displayStateChangeListener_(DISPLAY_ID_INVALID, nullptr, emptyMap, DisplayStateChangeType::BEFORE_UNLOCK);
81 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DESKTOP_READY,
82 EventStatus::BEGIN);
83 std::lock_guard<std::recursive_mutex> lock(mutex_);
84 isKeyguardDrawn_ = false;
85 return;
86 }
87 if (event == DisplayEvent::KEYGUARD_DRAWN) {
88 std::lock_guard<std::recursive_mutex> lock(mutex_);
89 isKeyguardDrawn_ = true;
90 }
91 }
92 }
93 }