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_MANANGER_H 17 #define PAGE_MANANGER_H 18 19 #include <filesystem> 20 #include <stack> 21 #include <string_view> 22 #include <vector> 23 #include "base_page.h" 24 #include "macros.h" 25 #include "page.h" 26 #include "updater_ui.h" 27 #include "view_api.h" 28 29 namespace Updater { 30 class PageManager final { 31 DISALLOW_COPY_MOVE(PageManager); 32 public: 33 static PageManager &GetInstance(); 34 bool Init(std::vector<UxPageInfo> &pageInfos, std::string_view entry); 35 bool ShowPage(const std::string &id); 36 void GoBack(); 37 bool IsValidCom(const ComInfo &pageComId) const; 38 Page &operator[](const std::string &id) const; 39 void ShowMainPage(); 40 ViewProxy &operator[](const ComInfo &comInfo) const; 41 void Reset(); 42 #ifdef UPDATER_UT 43 std::vector<std::string> Report(); 44 #endif 45 private: 46 PageManager() = default; 47 ~PageManager() = default; 48 bool InitImpl(UxPageInfo &pageInfo, std::string_view entry); 49 void EnQueuePage(const std::shared_ptr<Page> &page); 50 bool BuildSubPages(const std::string &pageId, const std::shared_ptr<Page> &basePage, 51 std::vector<UxSubPageInfo> &subPageInfos, std::string_view entry); 52 bool IsValidPage(const std::shared_ptr<Page> &pg) const; 53 static constexpr size_t MAX_PAGE_QUEUE_SZ = 3; 54 std::deque<std::shared_ptr<Page>> pageQueue_ {}; 55 std::unordered_map<std::string, std::shared_ptr<Page>> pageMap_ {}; 56 std::vector<std::shared_ptr<Page>> pages_ {}; 57 std::shared_ptr<Page> curPage_ {}; 58 std::shared_ptr<Page> mainPage_ {}; 59 }; 60 } // namespace Updater 61 #endif 62