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