1 /*
2  * Copyright (c) 2022-2023 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 #ifndef OHOS_ROSEN_WINDOW_LAYOUT_POLICY_TILE_H
17 #define OHOS_ROSEN_WINDOW_LAYOUT_POLICY_TILE_H
18 
19 #include <map>
20 #include <queue>
21 #include <refbase.h>
22 #include <set>
23 
24 #include "window_layout_policy.h"
25 #include "window_node.h"
26 #include "wm_common.h"
27 
28 namespace OHOS {
29 namespace Rosen {
30 class WindowLayoutPolicyTile : public WindowLayoutPolicy {
31 public:
32     WindowLayoutPolicyTile() = delete;
33     WindowLayoutPolicyTile(DisplayGroupWindowTree& displayGroupWindowTree);
34     ~WindowLayoutPolicyTile() = default;
35     void Launch() override;
36     bool IsTileRectSatisfiedWithSizeLimits(const sptr<WindowNode>& node) override;
37     void PerformWindowLayout(const sptr<WindowNode>& node, WindowUpdateType type) override;
38 
39 private:
40     /*
41      * methods for calculate maxTileNum and preset tileRects
42      */
43     void InitTileRects(DisplayId displayId);
44     uint32_t GetMaxTileWinNum(DisplayId displayId) const;
45 
46     /*
47      * methods for update tile queue
48      */
49     void InitTileQueue(DisplayId displayId);
50     void LayoutTileQueue(DisplayId displayId);
51     void RefreshTileQueue(DisplayId displayId, std::vector<sptr<WindowNode>>& needMinimizeNodes,
52         std::vector<sptr<WindowNode>>& needRecoverNodes);
53     void PushBackNodeInTileQueue(const sptr<WindowNode>& node, DisplayId displayId);
54     void RemoveNodeFromTileQueue(const sptr<WindowNode>& node);
55 
56     /*
57      * methods for calculate tile window rect
58      */
59     void ApplyPresetRectForTileWindows(DisplayId displayId);
60     void UpdateLayoutRect(const sptr<WindowNode>& node) override;
61     bool IsWindowAlreadyInTileQueue(const sptr<WindowNode>& node);
62     bool IsValidTileQueueAndPresetRects(DisplayId displayId);
63 
64     std::map<DisplayId, uint32_t> maxTileWinNumMap_;
65     std::map<DisplayId, std::vector<std::vector<Rect>>> presetRectsMap_;
66     std::map<DisplayId, std::deque<sptr<WindowNode>>> foregroundNodesMap_;
67 };
68 }
69 }
70 #endif // OHOS_ROSEN_WINDOW_LAYOUT_POLICY_TILE_H
71