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_WINDOW_ACCESSIBILITY_CONTROLLER_H
17#define OHOS_ROSEN_WINDOW_ACCESSIBILITY_CONTROLLER_H
18
19#include <cstdint>
20#include "wm_single_instance.h"
21
22namespace OHOS::Rosen {
23/**
24 * @class WindowAccessibilityController
25 *
26 * @brief Controller of window accessibility.
27 */
28class WindowAccessibilityController {
29WM_DECLARE_SINGLE_INSTANCE_BASE(WindowAccessibilityController);
30public:
31    /**
32     * @brief Set anchor and scale, only take effect for the main display.
33     *
34     * @param x Point x coordinate of Anchor.
35     * @param y Point y coordinate of Anchor.
36     * @param scale Parameter of zooming.
37     */
38    void SetAnchorAndScale(int32_t x, int32_t y, float scale);
39    /**
40     * @brief Set anchor offset, only take effect for the main display.
41     *
42     * @param deltaX X coordinate offset of anchor.
43     * @param deltaY Y coordinate offset of anchor.
44     */
45    void SetAnchorOffset(int32_t deltaX, int32_t deltaY);
46    /**
47     * @brief Turn off the func of window zoom.
48     */
49    void OffWindowZoom();
50private:
51    WindowAccessibilityController();
52    ~WindowAccessibilityController() = default;
53};
54} // namespace OHOS::Rosen
55#endif // OHOS_ROSEN_WINDOW_ACCESSIBILITY_CONTROLLER_H