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_ZOOM_CONTROLLER_H
17#define OHOS_ROSEN_DISPLAY_ZOOM_CONTROLLER_H
18
19#include <refbase.h>
20
21#include "window_node.h"
22#include "window_root.h"
23#include "window_node_container.h"
24#include "wm_common.h"
25
26namespace OHOS::Rosen {
27class DisplayZoomController : public RefBase {
28public:
29    explicit DisplayZoomController(sptr<WindowRoot>& root) : windowRoot_(root) {}
30    ~DisplayZoomController() = default;
31    void SetAnchorAndScale(int32_t x, int32_t y, float scale);
32    void SetAnchorOffset(int32_t deltaX, int32_t deltaY);
33    void OffWindowZoom();
34    void UpdateAllWindowsZoomInfo(DisplayId displayId);
35    void UpdateWindowZoomInfo(uint32_t windowId);
36    void ClearZoomTransform(std::vector<sptr<WindowNode>> nodes);
37private:
38    struct DisplayZoomInfo {
39        int32_t pivotX;
40        int32_t pivotY;
41        float scale;
42        int32_t translateX;
43        int32_t translateY;
44    };
45    sptr<WindowRoot> windowRoot_;
46    void ClearZoomTransformInner(sptr<WindowNode> node);
47    bool UpdateZoomTranslateInfo(sptr<WindowNodeContainer> windowNodeContainer, DisplayId displayId,
48        int32_t& deltaX, int32_t& deltaY);
49    Transform CalcuAnimateZoomTrans(sptr<WindowNode> node);
50    Transform CalcuZoomTransByZoomInfo(sptr<WindowNode> node);
51    Transform CalcuZoomTrans(sptr<WindowNode> node, const DisplayZoomInfo& zoomInfo);
52    void UpdateClientAndSurfaceZoomInfo(sptr<WindowNode> node, const Transform& zoomTrans);
53    void HandleUpdateWindowZoomInfo(sptr<WindowNode> node);
54    void TransformSurfaceNode(std::shared_ptr<RSSurfaceNode> surfaceNode, const Transform& trans);
55    DisplayZoomInfo zoomInfo_ = {0, 0, 1.0, 0, 0}; // compared with original window rect
56    std::unordered_set<WindowType> displayZoomWindowTypeSkipped_ {
57        WindowType::WINDOW_TYPE_NAVIGATION_BAR,
58        WindowType::WINDOW_TYPE_INPUT_METHOD_FLOAT,
59    };
60};
61}
62#endif // OHOS_ROSEN_DISPLAY_ZOOM_CONTROLLER_H
63