201 lines
7.3 KiB
C++
201 lines
7.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/telegram/BackgroundId.h"
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#include "td/telegram/BackgroundType.h"
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#include "td/telegram/files/FileId.h"
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#include "td/telegram/files/FileSourceId.h"
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#include "td/telegram/logevent/LogEvent.h"
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#include "td/telegram/Photo.h"
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#include "td/telegram/td_api.h"
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#include "td/telegram/telegram_api.h"
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#include "td/actor/actor.h"
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#include "td/actor/PromiseFuture.h"
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#include "td/utils/common.h"
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#include "td/utils/Status.h"
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#include <memory>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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namespace td {
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class Td;
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class BackgroundManager final : public Actor {
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public:
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BackgroundManager(Td *td, ActorShared<> parent);
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void memory_stats(vector<string> &output);
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void get_backgrounds(bool for_dark_theme, Promise<td_api::object_ptr<td_api::backgrounds>> &&promise);
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static Result<string> get_background_url(const string &name,
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td_api::object_ptr<td_api::BackgroundType> background_type);
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void reload_background(BackgroundId background_id, int64 access_hash, Promise<Unit> &&promise);
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std::pair<BackgroundId, BackgroundType> search_background(const string &name, Promise<Unit> &&promise);
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BackgroundId set_background(const td_api::InputBackground *input_background,
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const td_api::BackgroundType *background_type, bool for_dark_theme,
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Promise<Unit> &&promise);
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void remove_background(BackgroundId background_id, Promise<Unit> &&promise);
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void reset_backgrounds(Promise<Unit> &&promise);
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td_api::object_ptr<td_api::background> get_background_object(BackgroundId background_id, bool for_dark_theme,
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const BackgroundType *type) const;
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std::pair<BackgroundId, BackgroundType> on_get_background(
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BackgroundId expected_background_id, const string &expected_background_name,
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telegram_api::object_ptr<telegram_api::WallPaper> wallpaper_ptr, bool replace_type);
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FileSourceId get_background_file_source_id(BackgroundId background_id, int64 access_hash);
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void on_uploaded_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
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telegram_api::object_ptr<telegram_api::WallPaper> wallpaper,
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Promise<Unit> &&promise);
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void get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const;
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void store_background(BackgroundId background_id, LogEventStorerCalcLength &storer);
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void store_background(BackgroundId background_id, LogEventStorerUnsafe &storer);
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void parse_background(BackgroundId &background_id, LogEventParser &parser);
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private:
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struct Background {
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BackgroundId id;
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int64 access_hash = 0;
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string name;
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FileId file_id;
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bool is_creator = false;
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bool is_default = false;
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bool is_dark = false;
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bool has_new_local_id = true;
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BackgroundType type;
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FileSourceId file_source_id;
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template <class StorerT>
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void store(StorerT &storer) const;
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template <class ParserT>
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void parse(ParserT &parser);
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};
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class BackgroundLogEvent;
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class BackgroundsLogEvent;
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class UploadBackgroundFileCallback;
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void start_up() final;
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void tear_down() final;
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static string get_background_database_key(bool for_dark_theme);
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static string get_local_backgrounds_database_key(bool for_dark_theme);
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void save_background_id(bool for_dark_theme);
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void save_local_backgrounds(bool for_dark_theme);
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void reload_background_from_server(BackgroundId background_id, const string &background_name,
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telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper,
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Promise<Unit> &&promise) const;
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td_api::object_ptr<td_api::updateSelectedBackground> get_update_selected_background_object(bool for_dark_theme) const;
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td_api::object_ptr<td_api::backgrounds> get_backgrounds_object(bool for_dark_theme) const;
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void send_update_selected_background(bool for_dark_theme) const;
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void set_max_local_background_id(BackgroundId background_id);
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BackgroundId get_next_local_background_id();
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BackgroundId add_local_background(const BackgroundType &type);
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void add_background(const Background &background, bool replace_type);
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Background *get_background_ref(BackgroundId background_id);
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const Background *get_background(BackgroundId background_id) const;
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static string get_background_name_database_key(const string &name);
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void on_load_background_from_database(string name, string value);
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void on_get_backgrounds(Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result);
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Result<FileId> prepare_input_file(const tl_object_ptr<td_api::InputFile> &input_file);
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BackgroundId set_background(BackgroundId background_id, BackgroundType type, bool for_dark_theme,
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Promise<Unit> &&promise);
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void on_installed_background(BackgroundId background_id, BackgroundType type, bool for_dark_theme,
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Result<Unit> &&result, Promise<Unit> &&promise);
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void set_background_id(BackgroundId background_id, const BackgroundType &type, bool for_dark_theme);
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void on_removed_background(BackgroundId background_id, Result<Unit> &&result, Promise<Unit> &&promise);
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void on_reset_background(Result<Unit> &&result, Promise<Unit> &&promise);
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void upload_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme, Promise<Unit> &&promise);
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void on_upload_background_file(FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file);
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void on_upload_background_file_error(FileId file_id, Status status);
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void do_upload_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
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tl_object_ptr<telegram_api::InputFile> &&input_file, Promise<Unit> &&promise);
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std::unordered_map<BackgroundId, Background, BackgroundIdHash> backgrounds_;
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std::unordered_map<BackgroundId, std::pair<int64, FileSourceId>, BackgroundIdHash>
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background_id_to_file_source_id_; // id -> [access_hash, file_source_id]
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std::unordered_map<string, BackgroundId> name_to_background_id_;
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std::unordered_map<FileId, BackgroundId, FileIdHash> file_id_to_background_id_;
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std::unordered_set<string> loaded_from_database_backgrounds_;
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std::unordered_map<string, vector<Promise<Unit>>> being_loaded_from_database_backgrounds_;
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BackgroundId set_background_id_[2];
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BackgroundType set_background_type_[2];
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vector<std::pair<BackgroundId, BackgroundType>> installed_backgrounds_;
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vector<std::pair<bool, Promise<td_api::object_ptr<td_api::backgrounds>>>> pending_get_backgrounds_queries_;
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std::shared_ptr<UploadBackgroundFileCallback> upload_background_file_callback_;
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struct UploadedFileInfo {
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BackgroundType type;
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bool for_dark_theme;
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Promise<Unit> promise;
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};
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std::unordered_map<FileId, UploadedFileInfo, FileIdHash> being_uploaded_files_;
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BackgroundId max_local_background_id_;
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vector<BackgroundId> local_background_ids_[2];
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Td *td_;
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ActorShared<> parent_;
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};
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} // namespace td
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