/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OHOS_ROSEN_WINDOW_LAYOUT_POLICY_CASCADE_H
#define OHOS_ROSEN_WINDOW_LAYOUT_POLICY_CASCADE_H

#include <map>
#include <refbase.h>
#include <set>

#include "window_layout_policy.h"
#include "window_node.h"
#include "wm_common.h"

namespace OHOS {
namespace Rosen {
class WindowLayoutPolicyCascade : public WindowLayoutPolicy {
public:
    WindowLayoutPolicyCascade() = delete;
    WindowLayoutPolicyCascade(const sptr<DisplayGroupInfo>& displayGroupInfo,
        DisplayGroupWindowTree& displayGroupWindowTree);
    ~WindowLayoutPolicyCascade() = default;
    void Launch() override;
    void Clean() override;
    void Reset() override;
    void Reorder() override;
    void AddWindowNode(const sptr<WindowNode>& node) override;
    void UpdateWindowNode(const sptr<WindowNode>& node, bool isAddWindow = false) override;
    void UpdateLayoutRect(const sptr<WindowNode>& node) override;
    void SetSplitDividerWindowRects(std::map<DisplayId, Rect> dividerWindowRects) override;
    void RemoveWindowNode(const sptr<WindowNode>& node) override;
    Rect GetDividerRect(DisplayId displayId) const override;
    std::vector<int32_t> GetExitSplitPoints(DisplayId displayId) const override;

private:
    void InitAllRects();
    void InitSplitRects(DisplayId displayId);
    int32_t GetSplitRatioPoint(float ratio, DisplayId displayId);
    void SetSplitRect(const Rect& rect, DisplayId displayId);
    void UpdateSplitLimitRect(const Rect& limitRect, Rect& limitSplitRect);
    void UpdateSplitRatioPoints(DisplayId displayId);
    void UpdateDockSlicePosition(DisplayId displayId, int32_t& origin) const;
    void LayoutWindowNode(const sptr<WindowNode>& node) override;
    void LayoutWindowTree(DisplayId displayId) override;
    void InitLimitRects(DisplayId displayId);
    void LimitDividerMoveBounds(Rect& rect, DisplayId displayId) const;
    void InitCascadeRect(DisplayId displayId);
    void SetCascadeRect(const sptr<WindowNode>& node);
    void ApplyWindowRectConstraints(const sptr<WindowNode>& node, Rect& winRect) const;
    void UpdateWindowNodeRectOffset(const sptr<WindowNode>& node) const;
    bool SpecialReasonProcess(const sptr<WindowNode>& node, bool isAddWindow) const;

    Rect GetRectByWindowMode(const WindowMode& mode) const;
    Rect GetLimitRect(const WindowMode mode, DisplayId displayId) const;
    Rect GetDisplayRect(const WindowMode mode, DisplayId displayId) const;
    Rect GetCurCascadeRect(const sptr<WindowNode>& node) const;
    Rect StepCascadeRect(Rect rect, DisplayId displayId) const;

    struct CascadeRects {
        Rect primaryRect_;
        Rect secondaryRect_;
        Rect primaryLimitRect_;
        Rect secondaryLimitRect_;
        Rect dividerRect_;
        Rect firstCascadeRect_;
    };
    mutable std::map<DisplayId, LayoutRects> cascadeRectsMap_;
    std::map<DisplayId, Rect> restoringDividerWindowRects_;
};
}
}
#endif // OHOS_ROSEN_WINDOW_LAYOUT_POLICY_CASCADE_H