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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_ABSTRACT_SCREEN_CONTROLLER_H
17 #define FOUNDATION_DMSERVER_ABSTRACT_SCREEN_CONTROLLER_H
18 
19 #include <map>
20 #include <vector>
21 
22 #include <event_handler.h>
23 #include <refbase.h>
24 #include <surface.h>
25 #include <transaction/rs_interfaces.h>
26 
27 #include "abstract_screen.h"
28 #include "agent_death_recipient.h"
29 #include "display_manager_agent_controller.h"
30 #include "dm_common.h"
31 #include "rsscreen_change_listener.h"
32 #include "screen.h"
33 #include "zidl/display_manager_agent_interface.h"
34 
35 namespace OHOS::Rosen {
36 class AbstractScreenController : public RefBase {
37 using OnAbstractScreenConnectCb = std::function<void(sptr<AbstractScreen>)>;
38 using OnAbstractScreenChangeCb = std::function<void(sptr<AbstractScreen>, DisplayChangeEvent event)>;
39 public:
40     struct AbstractScreenCallback : public RefBase {
41         OnAbstractScreenConnectCb onConnect_;
42         OnAbstractScreenConnectCb onDisconnect_;
43         OnAbstractScreenChangeCb onChange_;
44     };
45 
46     explicit AbstractScreenController(std::recursive_mutex& mutex);
47     ~AbstractScreenController();
48     WM_DISALLOW_COPY_AND_MOVE(AbstractScreenController);
49 
50     void Init();
51     std::vector<ScreenId> GetAllScreenIds() const;
52     uint32_t GetRSScreenNum() const;
53     sptr<AbstractScreen> GetAbstractScreen(ScreenId dmsScreenId) const;
54     std::vector<ScreenId> GetAllValidScreenIds(const std::vector<ScreenId>& screenIds) const;
55     sptr<AbstractScreenGroup> GetAbstractScreenGroup(ScreenId dmsScreenId);
56     ScreenId GetDefaultAbstractScreenId();
57     ScreenId ConvertToRsScreenId(ScreenId dmsScreenId) const;
58     ScreenId ConvertToDmsScreenId(ScreenId rsScreenId) const;
59     void RegisterAbstractScreenCallback(sptr<AbstractScreenCallback> cb);
60     void RegisterRSScreenChangeListener(const sptr<IRSScreenChangeListener>& listener);
61     ScreenId CreateVirtualScreen(VirtualScreenOption option, const sptr<IRemoteObject>& displayManagerAgent);
62     DMError DestroyVirtualScreen(ScreenId screenId);
63     DMError SetVirtualScreenSurface(ScreenId screenId, sptr<Surface> surface);
64     void SetBuildInDefaultOrientation(Orientation orientation);
65     bool SetOrientation(ScreenId screenId, Orientation orientation, bool isFromWindow);
66     bool SetRotation(ScreenId screenId, Rotation rotationAfter, bool isFromWindow);
67 
68     bool SetScreenActiveMode(ScreenId screenId, uint32_t modeId);
69     const std::shared_ptr<RSDisplayNode>& GetRSDisplayNodeByScreenId(ScreenId dmsScreenId) const;
70     void UpdateRSTree(ScreenId dmsScreenId, ScreenId parentScreenId, std::shared_ptr<RSSurfaceNode>& surfaceNode,
71         bool isAdd, bool isMultiDisplay);
72     bool MakeMirror(ScreenId, std::vector<ScreenId> screens);
73     bool MakeExpand(std::vector<ScreenId> screenIds, std::vector<Point> startPoints);
74     void RemoveVirtualScreenFromGroup(std::vector<ScreenId> screens);
75     bool SetScreenPowerForAll(ScreenPowerState state, PowerStateChangeReason reason) const;
76     ScreenPowerState GetScreenPower(ScreenId dmsScreenId) const;
77     bool SetVirtualPixelRatio(ScreenId screenId, float virtualPixelRatio);
78 
79     // colorspace, gamut
80     DMError GetScreenSupportedColorGamuts(ScreenId screenId, std::vector<ScreenColorGamut>& colorGamuts);
81     DMError GetScreenColorGamut(ScreenId screenId, ScreenColorGamut& colorGamut);
82     DMError SetScreenColorGamut(ScreenId screenId, int32_t colorGamutIdx);
83     DMError GetScreenGamutMap(ScreenId screenId, ScreenGamutMap& gamutMap);
84     DMError SetScreenGamutMap(ScreenId screenId, ScreenGamutMap gamutMap);
85     DMError SetScreenColorTransform(ScreenId screenId);
86 
87 private:
IsVertical(Rotation rotation)88     static inline bool IsVertical(Rotation rotation)
89     {
90         return (rotation == Rotation::ROTATION_0 || rotation == Rotation::ROTATION_180);
91     }
92     void SetScreenRotateAnimation(sptr<AbstractScreen>& screen, ScreenId screenId, Rotation rotationAfter);
93     void RegisterRsScreenConnectionChangeListener();
94     void OnRsScreenConnectionChange(ScreenId rsScreenId, ScreenEvent screenEvent);
95     bool OnRemoteDied(const sptr<IRemoteObject>& agent);
96     void ProcessScreenConnected(ScreenId rsScreenId);
97     sptr<AbstractScreen> InitAndGetScreen(ScreenId rsScreenId);
98     void ProcessScreenDisconnected(ScreenId rsScreenId);
99     bool InitAbstractScreenModesInfo(sptr<AbstractScreen>& absScreen);
100     sptr<AbstractScreen> InitVirtualScreen(ScreenId dmsScreenId, ScreenId rsId, VirtualScreenOption option);
101     sptr<AbstractScreenGroup> AddToGroupLocked(sptr<AbstractScreen> newScreen);
102     sptr<AbstractScreenGroup> RemoveFromGroupLocked(sptr<AbstractScreen> newScreen);
103     bool RemoveChildFromGroup(sptr<AbstractScreen>, sptr<AbstractScreenGroup>);
104     bool CheckScreenInScreenGroup(sptr<AbstractScreen> newScreen) const;
105     sptr<AbstractScreenGroup> AddAsFirstScreenLocked(sptr<AbstractScreen> newScreen);
106     sptr<AbstractScreenGroup> AddAsSuccedentScreenLocked(sptr<AbstractScreen> newScreen);
107     void ProcessScreenModeChanged(ScreenId dmsScreenId);
108     void ChangeScreenGroup(sptr<AbstractScreenGroup> group, const std::vector<ScreenId>& screens,
109         const std::vector<Point>& startPoints, bool filterScreen, ScreenCombination combination);
110     void AddScreenToGroup(sptr<AbstractScreenGroup>, const std::vector<ScreenId>&,
111         const std::vector<Point>&, std::map<ScreenId, bool>&);
112     void NotifyScreenConnected(sptr<ScreenInfo>) const;
113     void NotifyScreenDisconnected(ScreenId screenId) const;
114     void NotifyScreenChanged(sptr<ScreenInfo> screenInfo, ScreenChangeEvent event) const;
115     void NotifyScreenGroupChanged(const sptr<ScreenInfo>& screenInfo, ScreenGroupChangeEvent event) const;
116     void NotifyScreenGroupChanged(const std::vector<sptr<ScreenInfo>>& screenInfo, ScreenGroupChangeEvent event) const;
117 
118     class ScreenIdManager {
119     public:
120         ScreenIdManager() = default;
121         ~ScreenIdManager() = default;
122         WM_DISALLOW_COPY_AND_MOVE(ScreenIdManager);
123         ScreenId CreateAndGetNewScreenId(ScreenId rsScreenId);
124         bool DeleteScreenId(ScreenId dmsScreenId);
125         bool HasDmsScreenId(ScreenId dmsScreenId) const;
126         bool HasRsScreenId(ScreenId dmsScreenId) const;
127         bool ConvertToRsScreenId(ScreenId, ScreenId&) const;
128         ScreenId ConvertToRsScreenId(ScreenId) const;
129         bool ConvertToDmsScreenId(ScreenId, ScreenId&) const;
130         ScreenId ConvertToDmsScreenId(ScreenId) const;
131         uint32_t GetRSScreenNum() const;
132     private:
133         std::atomic<ScreenId> dmsScreenCount_ {0};
134         std::map<ScreenId, ScreenId> rs2DmsScreenIdMap_;
135         std::map<ScreenId, ScreenId> dms2RsScreenIdMap_;
136     };
137 
138     std::recursive_mutex& mutex_;
139     OHOS::Rosen::RSInterfaces& rsInterface_;
140     ScreenIdManager screenIdManager_;
141     std::map<ScreenId, sptr<AbstractScreen>> dmsScreenMap_;
142     std::map<ScreenId, sptr<AbstractScreenGroup>> dmsScreenGroupMap_;
143     std::map<sptr<IRemoteObject>, std::vector<ScreenId>> screenAgentMap_;
144     sptr<AgentDeathRecipient> deathRecipient_ { nullptr };
145     sptr<AbstractScreenCallback> abstractScreenCallback_;
146     sptr<IRSScreenChangeListener> rSScreenChangeListener_;
147     std::shared_ptr<AppExecFwk::EventHandler> controllerHandler_;
148     std::atomic<ScreenId> defaultRsScreenId_ {SCREEN_ID_INVALID };
149     Orientation buildInDefaultOrientation_ { Orientation::UNSPECIFIED };
150     bool isExpandCombination_ = false;
151 };
152 } // namespace OHOS::Rosen
153 #endif // FOUNDATION_DMSERVER_ABSTRACT_SCREEN_CONTROLLER_H