tdlight/td/telegram/BackgroundManager.h
2021-09-04 16:03:33 +02:00

198 lines
7.0 KiB
C++

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