tdlight/td/telegram/BackgroundManager.h
levlam 88febd4aa0 File reference support for backgrounds.
GitOrigin-RevId: e4c7f0ee8e6be2341e51f7ef86edfcd264089e3c
2019-05-09 04:07:21 +03:00

119 lines
3.8 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/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 <unordered_map>
namespace td {
class Td;
class BackgroundManager : public Actor {
public:
BackgroundManager(Td *td, ActorShared<> parent);
void get_backgrounds(Promise<Unit> &&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);
BackgroundId search_background(const string &name, Promise<Unit> &&promise);
td_api::object_ptr<td_api::background> get_background_object(BackgroundId background_id) const;
td_api::object_ptr<td_api::backgrounds> get_backgrounds_object() const;
BackgroundId on_get_background(BackgroundId expected_background_id,
telegram_api::object_ptr<telegram_api::wallPaper> wallpaper);
FileSourceId get_background_file_source_id(BackgroundId background_id, int64 access_hash);
private:
struct BackgroundType {
enum class Type : int32 { Wallpaper, Pattern, Solid };
Type type = Type::Solid;
bool is_blurred = false;
bool is_moving = false;
int32 color = 0;
int32 intensity = 0;
BackgroundType() = default;
BackgroundType(bool is_blurred, bool is_moving)
: type(Type::Wallpaper), is_blurred(is_blurred), is_moving(is_moving) {
}
BackgroundType(bool is_moving, int32 color, int32 intensity)
: type(Type::Pattern), is_moving(is_moving), color(color), intensity(intensity) {
}
explicit BackgroundType(int32 color) : type(Type::Solid), color(color) {
}
};
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;
BackgroundType type;
FileSourceId file_source_id;
};
void tear_down() override;
void reload_background_from_server(BackgroundId background_id,
telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper,
Promise<Unit> &&promise) const;
Background *add_background(BackgroundId background_id);
Background *get_background_ref(BackgroundId background_id);
const Background *get_background(BackgroundId background_id) const;
static Result<BackgroundType> get_background_type(td_api::object_ptr<td_api::BackgroundType> type);
static BackgroundType get_background_type(bool is_pattern,
telegram_api::object_ptr<telegram_api::wallPaperSettings> settings);
void on_get_backgrounds(Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result);
static td_api::object_ptr<td_api::BackgroundType> get_background_type_object(const BackgroundType &type);
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_;
vector<BackgroundId> installed_backgrounds_;
vector<Promise<Unit>> pending_get_backgrounds_queries_;
Td *td_;
ActorShared<> parent_;
};
} // namespace td