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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 ACCESSIBILITY_DISPLAY_MANAGER_H
17 #define ACCESSIBILITY_DISPLAY_MANAGER_H
18 
19 #include <memory>
20 #include <vector>
21 
22 #include "display_manager.h"
23 #include "display.h"
24 
25 namespace OHOS {
26 namespace Accessibility {
27 class AccessibilityDisplayManager : public Rosen::DisplayManager::IDisplayListener {
28 public:
29     ~AccessibilityDisplayManager() = default;
30 
31     static AccessibilityDisplayManager &GetInstance();
32     const sptr<Rosen::Display> GetDisplay(int id);
33     std::vector<sptr<Rosen::Display>> GetDisplays();
34     const sptr<Rosen::Display> GetDefaultDisplay();
35     void RegisterDisplayChangeListener();
36 
37     virtual void OnCreate(Rosen::DisplayId dId) override;
38     virtual void OnDestroy(Rosen::DisplayId dId) override;
39     virtual void OnChange(Rosen::DisplayId dId) override;
40 
41 private:
42     AccessibilityDisplayManager();
43 };
44 } // namespace Accessibility
45 } // namespace OHOS
46 #endif  // ACCESSIBILITY_DISPLAY_MANAGER_H