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 namespace {
24 constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_DISPLAY, "DisplayPowerController"};
25 }
26
SuspendBegin(PowerStateChangeReason reason)27 bool DisplayPowerController::SuspendBegin(PowerStateChangeReason reason)
28 {
29 WLOGFI("reason:%{public}u", reason);
30 std::map<DisplayId, sptr<DisplayInfo>> emptyMap;
31 displayStateChangeListener_(DISPLAY_ID_INVALID, nullptr, emptyMap, DisplayStateChangeType::BEFORE_SUSPEND);
32 return true;
33 }
34
SetDisplayState(DisplayState state)35 bool DisplayPowerController::SetDisplayState(DisplayState state)
36 {
37 WLOGFI("state:%{public}u", state);
38 {
39 std::lock_guard<std::recursive_mutex> lock(mutex_);
40 if (displayState_ == state) {
41 WLOGFE("state is already set");
42 return false;
43 }
44 }
45 switch (state) {
46 case DisplayState::ON: {
47 {
48 std::lock_guard<std::recursive_mutex> lock(mutex_);
49 displayState_ = state;
50 }
51 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DISPLAY_ON,
52 EventStatus::BEGIN);
53 break;
54 }
55 case DisplayState::OFF: {
56 {
57 std::lock_guard<std::recursive_mutex> lock(mutex_);
58 displayState_ = state;
59 }
60 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DISPLAY_OFF,
61 EventStatus::BEGIN);
62 break;
63 }
64 default: {
65 WLOGFW("unknown DisplayState!");
66 return false;
67 }
68 }
69 DisplayManagerAgentController::GetInstance().NotifyDisplayStateChanged(DISPLAY_ID_INVALID, state);
70 return true;
71 }
72
GetDisplayState(DisplayId displayId)73 DisplayState DisplayPowerController::GetDisplayState(DisplayId displayId)
74 {
75 return displayState_;
76 }
77
NotifyDisplayEvent(DisplayEvent event)78 void DisplayPowerController::NotifyDisplayEvent(DisplayEvent event)
79 {
80 WLOGFI("DisplayEvent:%{public}u", event);
81 if (event == DisplayEvent::UNLOCK) {
82 std::map<DisplayId, sptr<DisplayInfo>> emptyMap;
83 displayStateChangeListener_(DISPLAY_ID_INVALID, nullptr, emptyMap, DisplayStateChangeType::BEFORE_UNLOCK);
84 DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DESKTOP_READY,
85 EventStatus::BEGIN);
86 std::lock_guard<std::recursive_mutex> lock(mutex_);
87 isKeyguardDrawn_ = false;
88 return;
89 }
90 if (event == DisplayEvent::KEYGUARD_DRAWN) {
91 std::lock_guard<std::recursive_mutex> lock(mutex_);
92 isKeyguardDrawn_ = true;
93 }
94 }
95 }
96 }