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 #ifndef FOUNDATION_DMSERVER_DISPLAY_MANAGER_SERVICE_H
17 #define FOUNDATION_DMSERVER_DISPLAY_MANAGER_SERVICE_H
18 
19 #include <map>
20 #include <mutex>
21 
22 #include <system_ability.h>
23 #include <surface.h>
24 #include <ui/rs_display_node.h>
25 
26 #include "atomic_map.h"
27 #include "dm_common.h"
28 #include "display_dumper.h"
29 #include "screen.h"
30 #include "abstract_display.h"
31 #include "abstract_display_controller.h"
32 #include "abstract_screen_controller.h"
33 #include "display_change_listener.h"
34 #include "display_cutout_controller.h"
35 #include "display_manager_stub.h"
36 #include "display_power_controller.h"
37 #include "singleton_delegator.h"
38 #include "window_info_queried_listener.h"
39 
40 namespace OHOS::Rosen {
41 class DisplayManagerService : public SystemAbility, public DisplayManagerStub {
42 DECLARE_SYSTEM_ABILITY(DisplayManagerService);
43 WM_DECLARE_SINGLE_INSTANCE_BASE(DisplayManagerService);
44 
45 public:
46     int Dump(int fd, const std::vector<std::u16string>& args) override;
47     void OnStart() override;
48     void OnStop() override;
49     ScreenId CreateVirtualScreen(VirtualScreenOption option,
50         const sptr<IRemoteObject>& displayManagerAgent) override;
51     DMError DestroyVirtualScreen(ScreenId screenId) override;
52     DMError SetVirtualScreenSurface(ScreenId screenId, sptr<IBufferProducer> surface) override;
53     DMError IsScreenRotationLocked(bool& isLocked) override;
54     DMError SetScreenRotationLocked(bool isLocked) override;
55     DMError SetScreenRotationLockedFromJs(bool isLocked) override;
56 
57     sptr<DisplayInfo> GetDefaultDisplayInfo() override;
58     sptr<DisplayInfo> GetDisplayInfoById(DisplayId displayId) override;
59     sptr<DisplayInfo> GetDisplayInfoByScreen(ScreenId screenId) override;
60     sptr<CutoutInfo> GetCutoutInfo(DisplayId displayId) override;
61     DMError SetOrientation(ScreenId screenId, Orientation orientation) override;
62     DMError SetOrientationFromWindow(ScreenId screenId, Orientation orientation, bool withAnimation);
63     bool SetRotationFromWindow(ScreenId screenId, Rotation targetRotation, bool withAnimation);
64     void SetGravitySensorSubscriptionEnabled();
65     std::shared_ptr<Media::PixelMap> GetDisplaySnapshot(DisplayId displayId,
66         DmErrorCode* errorCode, bool isUseDma) override;
67     DMError HasPrivateWindow(DisplayId id, bool& hasPrivateWindow) override;
68     // colorspace, gamut
69     DMError GetScreenSupportedColorGamuts(ScreenId screenId, std::vector<ScreenColorGamut>& colorGamuts) override;
70     DMError GetScreenColorGamut(ScreenId screenId, ScreenColorGamut& colorGamut) override;
71     DMError SetScreenColorGamut(ScreenId screenId, int32_t colorGamutIdx) override;
72     DMError GetScreenGamutMap(ScreenId screenId, ScreenGamutMap& gamutMap) override;
73     DMError SetScreenGamutMap(ScreenId screenId, ScreenGamutMap gamutMap) override;
74     DMError SetScreenColorTransform(ScreenId screenId) override;
75 
76     DMError RegisterDisplayManagerAgent(const sptr<IDisplayManagerAgent>& displayManagerAgent,
77         DisplayManagerAgentType type) override;
78     DMError UnregisterDisplayManagerAgent(const sptr<IDisplayManagerAgent>& displayManagerAgent,
79         DisplayManagerAgentType type) override;
80     bool WakeUpBegin(PowerStateChangeReason reason) override;
81     bool WakeUpEnd() override;
82     bool SuspendBegin(PowerStateChangeReason reason) override;
83     bool SuspendEnd() override;
84     bool SetSpecifiedScreenPower(ScreenId, ScreenPowerState, PowerStateChangeReason) override;
85     bool SetScreenPowerForAll(ScreenPowerState state, PowerStateChangeReason reason) override;
86     ScreenPowerState GetScreenPower(ScreenId dmsScreenId) override;
87     bool SetDisplayState(DisplayState state) override;
88     void UpdateRSTree(DisplayId displayId, DisplayId parentDisplayId, std::shared_ptr<RSSurfaceNode>& surfaceNode,
89         bool isAdd, bool isMultiDisplay);
90     DMError AddSurfaceNodeToDisplay(DisplayId displayId,
91         std::shared_ptr<RSSurfaceNode>& surfaceNode, bool onTop = true) override;
92     DMError RemoveSurfaceNodeFromDisplay(DisplayId displayId, std::shared_ptr<RSSurfaceNode>& surfaceNode) override;
93     DisplayState GetDisplayState(DisplayId displayId) override;
94     bool TryToCancelScreenOff() override;
95     bool SetScreenBrightness(uint64_t screenId, uint32_t level) override;
96     uint32_t GetScreenBrightness(uint64_t screenId) override;
97     void NotifyDisplayEvent(DisplayEvent event) override;
98     bool SetFreeze(std::vector<DisplayId> displayIds, bool isFreeze) override;
99 
100     DMError MakeMirror(ScreenId mainScreenId, std::vector<ScreenId> mirrorScreenIds, ScreenId& screenGroupId) override;
101     DMError MakeExpand(std::vector<ScreenId> screenId, std::vector<Point> startPoints,
102         ScreenId& screenGroupId) override;
103     DMError StopMirror(const std::vector<ScreenId>& mirrorScreenIds) override;
104     DMError StopExpand(const std::vector<ScreenId>& expandScreenIds) override;
105     void RemoveVirtualScreenFromGroup(std::vector<ScreenId> screens) override;
106     sptr<ScreenInfo> GetScreenInfoById(ScreenId screenId) override;
107     sptr<ScreenGroupInfo> GetScreenGroupInfoById(ScreenId screenId) override;
108     ScreenId GetScreenGroupIdByScreenId(ScreenId screenId);
109     DMError GetAllScreenInfos(std::vector<sptr<ScreenInfo>>& screenInfos) override;
110 
111     std::vector<DisplayId> GetAllDisplayIds() override;
112     DMError SetScreenActiveMode(ScreenId screenId, uint32_t modeId) override;
113     DMError SetVirtualPixelRatio(ScreenId screenId, float virtualPixelRatio) override;
SetResolution(ScreenId screenId,uint32_t width,uint32_t height,float virtualPixelRatio)114     DMError SetResolution(ScreenId screenId, uint32_t width, uint32_t height,
115         float virtualPixelRatio) override { return DMError::DM_OK; }
GetDensityInCurResolution(ScreenId screenId,float & virtualPixelRatio)116     DMError GetDensityInCurResolution(ScreenId screenId,
117         float& virtualPixelRatio) override { return DMError::DM_OK; }
118     void RegisterDisplayChangeListener(sptr<IDisplayChangeListener> listener);
119     void RegisterWindowInfoQueriedListener(const sptr<IWindowInfoQueriedListener>& listener);
120     void NotifyPrivateWindowStateChanged(bool hasPrivate);
121     std::vector<DisplayPhysicalResolution> GetAllDisplayPhysicalResolution() override;
122 
123 private:
124     DisplayManagerService();
125     ~DisplayManagerService() = default;
126     bool Init();
127     void NotifyDisplayStateChange(DisplayId defaultDisplayId, sptr<DisplayInfo> displayInfo,
128         const std::map<DisplayId, sptr<DisplayInfo>>& displayInfoMap, DisplayStateChangeType type);
129     void NotifyScreenshot(DisplayId displayId);
130     ScreenId GetScreenIdByDisplayId(DisplayId displayId) const;
131     void ConfigureDisplayManagerService();
132     void ConfigureWaterfallDisplayCompressionParams();
133 
134     std::recursive_mutex mutex_;
135     static inline SingletonDelegator<DisplayManagerService> delegator_;
136     sptr<AbstractDisplayController> abstractDisplayController_;
137     sptr<AbstractScreenController> abstractScreenController_;
138     sptr<DisplayPowerController> displayPowerController_;
139     sptr<DisplayCutoutController> displayCutoutController_;
140     sptr<IDisplayChangeListener> displayChangeListener_;
141     sptr<IWindowInfoQueriedListener> windowInfoQueriedListener_;
142     sptr<DisplayDumper> displayDumper_;
143     AtomicMap<ScreenId, uint32_t> accessTokenIdMaps_;
144     bool isAutoRotationOpen_;
145     std::vector<DisplayPhysicalResolution> allDisplayPhysicalResolution_ {};
146 };
147 } // namespace OHOS::Rosen
148 
149 #endif // FOUNDATION_DMSERVER_DISPLAY_MANAGER_SERVICE_H