1 /*
2  * Copyright (c) 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 WINDOW_DISPLAY_H
17 #define WINDOW_DISPLAY_H
18 
19 #include <string>
20 #include <vector>
21 #include <functional>
22 
23 #include "window.h"
24 #include "fold_screen_info.h"
25 
26 namespace OHOS {
27 namespace Previewer {
28 using namespace OHOS::Rosen;
29 
30 class WINDOW_EXPORT PreviewerDisplay {
31 using DisplayCallback = std::function<void(const FoldStatus&)>;
32 
33 public:
34     static PreviewerDisplay& GetInstance();
35 
36     void SetFoldable(const bool foldable);
37     void SetFoldStatus(const FoldStatus foldStatus);
38     void SetCurrentFoldCreaseRegion(const sptr<FoldCreaseRegion> currentFoldCreaseRegion);
39     void ExecStatusChangedCallback();
40 
41     bool IsFoldable() const;
42     FoldStatus GetFoldStatus() const;
43     sptr<FoldCreaseRegion> GetCurrentFoldCreaseRegion() const;
44     void RegisterStatusChangedCallback(const DisplayCallback callback);
45 
46 private:
47     PreviewerDisplay() = default;
48     ~PreviewerDisplay() = default;
49 
50     bool foldable_ = false;
51     FoldStatus foldStatus_ = FoldStatus::UNKNOWN;
52     sptr<FoldCreaseRegion> currentFoldCreaseRegion_ = nullptr;
53     DisplayCallback displayCallback_;
54 };
55 } // namespace Previewer
56 } // namespace OHOS
57 #endif // WINDOW_DISPLAY_H