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1 /*
2  * Copyright (c) 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 OHOS_ROSEN_DISPLAY_GROUP_CONTROLLER_H
17 #define OHOS_ROSEN_DISPLAY_GROUP_CONTROLLER_H
18 
19 #include <refbase.h>
20 
21 #include "avoid_area_controller.h"
22 #include "display_group_info.h"
23 #include "display_info.h"
24 #include "display_manager_service_inner.h"
25 #include "window_layout_policy.h"
26 #include "window_manager.h"
27 #include "window_node.h"
28 #include "window_pair.h"
29 #include "wm_common.h"
30 
31 namespace OHOS {
32 namespace Rosen {
33 using SysBarNodeMap = std::unordered_map<WindowType, sptr<WindowNode>>;
34 using SysBarTintMap = std::unordered_map<WindowType, SystemBarRegionTint>;
35 class WindowNodeContainer;
36 
37 class DisplayGroupController : public RefBase {
38 public:
DisplayGroupController(const sptr<WindowNodeContainer> & windowNodeContainer,const sptr<DisplayGroupInfo> & displayGroupInfo)39     DisplayGroupController(const sptr<WindowNodeContainer>& windowNodeContainer,
40         const sptr<DisplayGroupInfo>& displayGroupInfo)
41         : windowNodeContainer_(windowNodeContainer), displayGroupInfo_(displayGroupInfo) {}
42     ~DisplayGroupController() = default;
43 
44     void InitNewDisplay(DisplayId displayId);
45     void UpdateDisplayGroupWindowTree();
46     void PreProcessWindowNode(const sptr<WindowNode>& node, WindowUpdateType type);
47     void PostProcessWindowNode(const sptr<WindowNode>& node);
48     void ProcessDisplayCreate(DisplayId defaultDisplayId, sptr<DisplayInfo> displayInfo,
49                               const std::map<DisplayId, Rect>& displayRectMap);
50     void ProcessDisplayDestroy(DisplayId defaultDisplayId, sptr<DisplayInfo> displayInfo,
51                                const std::map<DisplayId, Rect>& displayRectMap,
52                                std::vector<uint32_t>& windowIds);
53     void ProcessDisplayChange(DisplayId defaultDisplayId, sptr<DisplayInfo> displayInfo,
54                               const std::map<DisplayId, Rect>& displayRectMap,
55                               DisplayStateChangeType type);
56     sptr<WindowPair> GetWindowPairByDisplayId(DisplayId displayId);
57     void SetDividerRect(DisplayId displayId, const Rect& rect);
58 
59     DisplayGroupWindowTree displayGroupWindowTree_;
60     std::map<DisplayId, SysBarNodeMap> sysBarNodeMaps_;
61     std::map<DisplayId, SysBarTintMap> sysBarTintMaps_;
62 
63 private:
64     std::vector<sptr<WindowNode>>* GetWindowNodesByDisplayIdAndRootType(DisplayId displayId, WindowRootNodeType type);
65     void AddWindowNodeOnWindowTree(sptr<WindowNode>& node, WindowRootNodeType rootType);
66     void ProcessNotCrossNodesOnDestroyedDisplay(DisplayId displayId, std::vector<uint32_t>& windowIds);
67     void ProcessDisplaySizeChangeOrRotation(DisplayId defaultDisplayId, DisplayId displayId,
68         const std::map<DisplayId, Rect>& displayRectMap, DisplayStateChangeType type);
69     void ProcessCrossNodes(DisplayId defaultDisplayId, DisplayStateChangeType type);
70     void MoveCrossNodeToTargetDisplay(const sptr<WindowNode>& node, DisplayId targetDisplayId);
71     void MoveNotCrossNodeToDefaultDisplay(const sptr<WindowNode>& node, DisplayId displayId);
72     void UpdateWindowDisplayIdIfNeeded(const sptr<WindowNode>& node);
73     void UpdateWindowShowingDisplays(const sptr<WindowNode>& node);
74     void UpdateWindowDisplayId(const sptr<WindowNode>& node, DisplayId newDisplayId);
75     void ClearMapOfDestroyedDisplay(DisplayId displayId);
76     void ChangeToRectInDisplayGroup(const sptr<WindowNode>& node, DisplayId displayId);
77     void UpdateNodeSizeChangeReasonWithRotation(DisplayId displayId);
78 
79     sptr<WindowNodeContainer> windowNodeContainer_;
80     sptr<DisplayGroupInfo> displayGroupInfo_;
81     std::map<DisplayId, sptr<WindowPair>> windowPairMap_;
82     DisplayId defaultDisplayId_ { 0 };
83 };
84 } // namespace Rosen
85 } // namespace OHOS
86 #endif // OHOS_ROSEN_DISPLAY_GROUP_CONTROLLER_H
87