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 PAGE_H
17 #define PAGE_H
18 
19 #include <string>
20 #include <unordered_set>
21 #include <vector>
22 #include "components/ui_view_group.h"
23 #include "view_api.h"
24 #include "view_proxy.h"
25 
26 namespace Updater {
27 class Page {
28     DISALLOW_COPY_MOVE(Page);
29 public:
30     virtual ~Page() = default;
31     virtual std::string GetPageId() = 0;
32     virtual void SetVisible(bool isVisible) = 0;
33     [[nodiscard]] virtual bool IsVisible() const = 0;
34     [[nodiscard]] virtual OHOS::UIViewGroup *GetView() const = 0;
35     [[nodiscard]] virtual bool IsValid() const = 0;
36     [[nodiscard]] virtual bool IsValidCom(const std::string &id) const = 0;
37     virtual ViewProxy &operator[](const std::string &id) = 0;
38     void UpdateFocus(bool isVisible);
39     template<typename T, typename ... Args>
Create(Args &&...args)40     static std::shared_ptr<T> Create(Args && ... args)
41     {
42         static_assert(std::is_base_of_v<Page, T>, "T should be derived class of Page");
43         return std::shared_ptr<T>(new(std::nothrow) T(std::forward<Args>(args)...));
44     }
45 protected:
46     OHOS::UIView *focusedView_;
Page()47     Page() : focusedView_ {nullptr} {}
48 };
49 } // namespace Updater
50 #endif
51