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2b69ae2d66
tdlib-fork/td/telegram/BackgroundManager.cpp
levlam 2b69ae2d66 Support setting default background. 
GitOrigin-RevId: 756e41775f3ee60faaa36f0a244f7f43ff82ef1d
2019-07-18 21:09:48 +03:00

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//
// 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)
//
#include "td/telegram/BackgroundManager.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/BackgroundType.hpp"
#include "td/telegram/ConfigShared.h"
#include "td/telegram/DialogId.h"
#include "td/telegram/Document.h"
#include "td/telegram/DocumentsManager.h"
#include "td/telegram/DocumentsManager.hpp"
#include "td/telegram/FileReferenceManager.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/files/FileType.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/Photo.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/tl_helpers.h"
#include <algorithm>
namespace td {
class GetBackgroundQuery : public Td::ResultHandler {
Promise<Unit> promise_;
BackgroundId background_id_;
public:
explicit GetBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(BackgroundId background_id, telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper) {
background_id_ = background_id;
LOG(INFO) << "Load " << background_id << " from server: " << to_string(input_wallpaper);
send_query(
G()->net_query_creator().create(create_storer(telegram_api::account_getWallPaper(std::move(input_wallpaper)))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_getWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
td->background_manager_->on_get_background(background_id_, result_ptr.move_as_ok());
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
LOG(INFO) << "Receive error for getBackground: " << status;
promise_.set_error(std::move(status));
}
};
class GetBackgroundsQuery : public Td::ResultHandler {
Promise<telegram_api::object_ptr<telegram_api::account_WallPapers>> promise_;
public:
explicit GetBackgroundsQuery(Promise<telegram_api::object_ptr<telegram_api::account_WallPapers>> &&promise)
: promise_(std::move(promise)) {
}
void send() {
send_query(G()->net_query_creator().create(create_storer(telegram_api::account_getWallPapers(0))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_getWallPapers>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
promise_.set_value(result_ptr.move_as_ok());
}
void on_error(uint64 id, Status status) override {
promise_.set_error(std::move(status));
}
};
class InstallBackgroundQuery : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit InstallBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(BackgroundId background_id, int64 access_hash, const BackgroundType &type) {
send_query(G()->net_query_creator().create(create_storer(telegram_api::account_installWallPaper(
telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), access_hash),
get_input_wallpaper_settings(type)))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_installWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
LOG_IF(INFO, !result_ptr.ok()) << "Receive false from account.installWallPaper";
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
promise_.set_error(std::move(status));
}
};
class UploadBackgroundQuery : public Td::ResultHandler {
Promise<Unit> promise_;
FileId file_id_;
BackgroundType type_;
bool for_dark_theme_;
public:
explicit UploadBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(FileId file_id, tl_object_ptr<telegram_api::InputFile> &&input_file, const BackgroundType &type,
bool for_dark_theme) {
CHECK(input_file != nullptr);
file_id_ = file_id;
type_ = type;
for_dark_theme_ = for_dark_theme;
string mime_type = type.type == BackgroundType::Type::Pattern ? "image/png" : "image/jpeg";
send_query(G()->net_query_creator().create(create_storer(
telegram_api::account_uploadWallPaper(std::move(input_file), mime_type, get_input_wallpaper_settings(type)))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_uploadWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
td->background_manager_->on_uploaded_background_file(file_id_, type_, for_dark_theme_, result_ptr.move_as_ok(),
std::move(promise_));
}
void on_error(uint64 id, Status status) override {
CHECK(status.is_error());
CHECK(file_id_.is_valid());
if (begins_with(status.message(), "FILE_PART_") && ends_with(status.message(), "_MISSING")) {
// TODO td->background_manager_->on_upload_background_file_part_missing(file_id_, to_integer<int32>(status.message().substr(10)));
// return;
} else {
if (status.code() != 429 && status.code() < 500 && !G()->close_flag()) {
td->file_manager_->delete_partial_remote_location(file_id_);
}
}
td->file_manager_->cancel_upload(file_id_);
promise_.set_error(std::move(status));
}
};
class SaveBackgroundQuery : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit SaveBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(BackgroundId background_id, int64 access_hash, const BackgroundType &type, bool unsave) {
send_query(G()->net_query_creator().create(create_storer(telegram_api::account_saveWallPaper(
telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), access_hash), unsave,
get_input_wallpaper_settings(type)))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_saveWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
bool result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for save background: " << result;
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
if (!G()->close_flag()) {
LOG(ERROR) << "Receive error for save background: " << status;
}
promise_.set_error(std::move(status));
}
};
class ResetBackgroundsQuery : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit ResetBackgroundsQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send() {
send_query(G()->net_query_creator().create(create_storer(telegram_api::account_resetWallPapers())));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::account_resetWallPapers>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
bool result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for reset backgrounds: " << result;
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
if (!G()->close_flag()) {
LOG(ERROR) << "Receive error for reset backgrounds: " << status;
}
promise_.set_error(std::move(status));
}
};
class BackgroundManager::UploadBackgroundFileCallback : public FileManager::UploadCallback {
public:
void on_upload_ok(FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file) override {
send_closure_later(G()->background_manager(), &BackgroundManager::on_upload_background_file, file_id,
std::move(input_file));
}
void on_upload_encrypted_ok(FileId file_id, tl_object_ptr<telegram_api::InputEncryptedFile> input_file) override {
UNREACHABLE();
}
void on_upload_secure_ok(FileId file_id, tl_object_ptr<telegram_api::InputSecureFile> input_file) override {
UNREACHABLE();
}
void on_upload_error(FileId file_id, Status error) override {
send_closure_later(G()->background_manager(), &BackgroundManager::on_upload_background_file_error, file_id,
std::move(error));
}
};
BackgroundManager::BackgroundManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
upload_background_file_callback_ = std::make_shared<UploadBackgroundFileCallback>();
}
class BackgroundManager::BackgroundLogEvent {
public:
BackgroundId background_id_;
int64 access_hash_;
string name_;
FileId file_id_;
bool is_creator_;
bool is_default_;
bool is_dark_;
BackgroundType type_;
BackgroundType set_type_;
template <class StorerT>
void store(StorerT &storer) const {
bool has_file_id = file_id_.is_valid();
BEGIN_STORE_FLAGS();
STORE_FLAG(is_creator_);
STORE_FLAG(is_default_);
STORE_FLAG(is_dark_);
STORE_FLAG(has_file_id);
END_STORE_FLAGS();
td::store(background_id_, storer);
td::store(access_hash_, storer);
td::store(name_, storer);
if (has_file_id) {
storer.context()->td().get_actor_unsafe()->documents_manager_->store_document(file_id_, storer);
}
td::store(type_, storer);
td::store(set_type_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
bool has_file_id;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(is_creator_);
PARSE_FLAG(is_default_);
PARSE_FLAG(is_dark_);
PARSE_FLAG(has_file_id);
END_PARSE_FLAGS();
td::parse(background_id_, parser);
td::parse(access_hash_, parser);
td::parse(name_, parser);
if (has_file_id) {
file_id_ = parser.context()->td().get_actor_unsafe()->documents_manager_->parse_document(parser);
} else {
file_id_ = FileId();
}
td::parse(type_, parser);
td::parse(set_type_, parser);
}
};
void BackgroundManager::start_up() {
for (int i = 0; i < 2; i++) {
bool for_dark_theme = static_cast<bool>(i);
// G()->td_db()->get_binlog_pmc()->erase(get_background_database_key(for_dark_theme));
auto logevent_string = G()->td_db()->get_binlog_pmc()->get(get_background_database_key(for_dark_theme));
if (!logevent_string.empty()) {
BackgroundLogEvent logevent;
log_event_parse(logevent, logevent_string).ensure();
CHECK(logevent.background_id_.is_valid());
set_background_id_[for_dark_theme] = logevent.background_id_;
set_background_type_[for_dark_theme] = logevent.set_type_;
auto *background = add_background(set_background_id_[for_dark_theme]);
CHECK(!background->id.is_valid());
background->id = set_background_id_[for_dark_theme];
background->access_hash = logevent.access_hash_;
background->is_creator = logevent.is_creator_;
background->is_default = logevent.is_default_;
background->is_dark = logevent.is_dark_;
background->type = logevent.type_;
background->name = std::move(logevent.name_);
background->file_id = logevent.file_id_;
name_to_background_id_.emplace(background->name, background->id);
if (background->file_id.is_valid()) {
background->file_source_id =
td_->file_reference_manager_->create_background_file_source(background->id, background->access_hash);
for (auto file_id : Document(Document::Type::General, background->file_id).get_file_ids(td_)) {
td_->file_manager_->add_file_source(file_id, background->file_source_id);
}
file_id_to_background_id_.emplace(background->file_id, background->id);
}
}
send_update_selected_background(for_dark_theme);
}
}
void BackgroundManager::tear_down() {
parent_.reset();
}
void BackgroundManager::get_backgrounds(Promise<Unit> &&promise) {
pending_get_backgrounds_queries_.push_back(std::move(promise));
if (pending_get_backgrounds_queries_.size() == 1) {
auto request_promise = PromiseCreator::lambda(
[actor_id = actor_id(this)](Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result) {
send_closure(actor_id, &BackgroundManager::on_get_backgrounds, std::move(result));
});
td_->create_handler<GetBackgroundsQuery>(std::move(request_promise))->send();
}
}
Result<string> BackgroundManager::get_background_url(const string &name,
td_api::object_ptr<td_api::BackgroundType> background_type) const {
TRY_RESULT(type, get_background_type(background_type.get()));
vector<string> modes;
if (type.is_blurred) {
modes.emplace_back("blur");
}
if (type.is_moving) {
modes.emplace_back("motion");
}
string mode = implode(modes, '+');
string url = PSTRING() << G()->shared_config().get_option_string("t_me_url", "https://t.me/") << "bg/";
switch (type.type) {
case BackgroundType::Type::Wallpaper:
url += name;
if (!mode.empty()) {
url += "?mode=";
url += mode;
}
return url;
case BackgroundType::Type::Pattern:
url += name;
url += "?intensity=";
url += to_string(type.intensity);
url += "&bg_color=";
url += type.get_color_hex_string();
if (!mode.empty()) {
url += "&mode=";
url += mode;
}
return url;
case BackgroundType::Type::Solid:
url += type.get_color_hex_string();
return url;
default:
UNREACHABLE();
return url;
}
}
void BackgroundManager::reload_background_from_server(
BackgroundId background_id, telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper,
Promise<Unit> &&promise) const {
if (G()->close_flag()) {
return promise.set_error(Status::Error(500, "Request aborted"));
}
td_->create_handler<GetBackgroundQuery>(std::move(promise))->send(background_id, std::move(input_wallpaper));
}
void BackgroundManager::reload_background(BackgroundId background_id, int64 access_hash, Promise<Unit> &&promise) {
reload_background_from_server(
background_id, telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), access_hash),
std::move(promise));
}
BackgroundId BackgroundManager::search_background(const string &name, Promise<Unit> &&promise) {
auto it = name_to_background_id_.find(name);
if (it != name_to_background_id_.end()) {
promise.set_value(Unit());
return it->second;
}
if (name.empty()) {
promise.set_error(Status::Error(400, "Background name must be non-empty"));
return BackgroundId();
}
if (name.size() <= 6) {
for (auto c : name) {
if (!is_hex_digit(c)) {
promise.set_error(Status::Error(400, "WALLPAPER_INVALID"));
return BackgroundId();
}
}
int32 color = static_cast<int32>(hex_to_integer<uint32>(name));
auto background_id = add_solid_background(color);
promise.set_value(Unit());
return background_id;
}
reload_background_from_server(BackgroundId(), telegram_api::make_object<telegram_api::inputWallPaperSlug>(name),
std::move(promise));
return BackgroundId();
}
td_api::object_ptr<td_api::updateSelectedBackground> BackgroundManager::get_update_selected_background_object(
bool for_dark_theme) const {
return td_api::make_object<td_api::updateSelectedBackground>(
for_dark_theme, get_background_object(set_background_id_[for_dark_theme], for_dark_theme));
}
void BackgroundManager::send_update_selected_background(bool for_dark_theme) const {
send_closure(G()->td(), &Td::send_update, get_update_selected_background_object(for_dark_theme));
}
Result<FileId> BackgroundManager::prepare_input_file(const tl_object_ptr<td_api::InputFile> &input_file) {
auto r_file_id = td_->file_manager_->get_input_file_id(FileType::Background, input_file, {}, false, false);
if (r_file_id.is_error()) {
return Status::Error(400, r_file_id.error().message());
}
auto file_id = r_file_id.move_as_ok();
FileView file_view = td_->file_manager_->get_file_view(file_id);
if (file_view.is_encrypted()) {
return Status::Error(400, "Can't use encrypted file");
}
if (!file_view.has_local_location() && !file_view.has_generate_location()) {
return Status::Error(400, "Need local or generate location to upload background");
}
return std::move(file_id);
}
BackgroundId BackgroundManager::add_solid_background(int32 color) {
CHECK(0 <= color && color < 0x1000000);
BackgroundId background_id(static_cast<int64>(color) + 1);
auto *background = add_background(background_id);
if (background->id != background_id) {
background->id = background_id;
background->access_hash = 0;
background->is_creator = true;
background->is_default = false;
background->is_dark = (color & 0x808080) == 0;
background->type = BackgroundType(color);
background->name = background->type.get_color_hex_string();
background->file_id = FileId();
background->file_source_id = FileSourceId();
}
return background_id;
}
BackgroundId BackgroundManager::set_background(const td_api::InputBackground *input_background,
const td_api::BackgroundType *background_type, bool for_dark_theme,
Promise<Unit> &&promise) {
if (background_type == nullptr) {
set_background_id(BackgroundId(), BackgroundType(), for_dark_theme);
promise.set_value(Unit());
return BackgroundId();
}
auto r_type = get_background_type(background_type);
if (r_type.is_error()) {
promise.set_error(r_type.move_as_error());
return BackgroundId();
}
auto type = r_type.move_as_ok();
if (type.type == BackgroundType::Type::Solid) {
auto background_id = add_solid_background(type.color);
if (set_background_id_[for_dark_theme] != background_id) {
set_background_id(background_id, type, for_dark_theme);
}
promise.set_value(Unit());
return background_id;
}
if (input_background == nullptr) {
promise.set_error(Status::Error(400, "Input background must be non-empty"));
return BackgroundId();
}
switch (input_background->get_id()) {
case td_api::inputBackgroundLocal::ID: {
auto background_local = static_cast<const td_api::inputBackgroundLocal *>(input_background);
auto r_file_id = prepare_input_file(background_local->background_);
if (r_file_id.is_error()) {
promise.set_error(r_file_id.move_as_error());
return BackgroundId();
}
auto file_id = r_file_id.move_as_ok();
LOG(INFO) << "Receive file " << file_id << " for input background";
auto it = file_id_to_background_id_.find(file_id);
if (it != file_id_to_background_id_.end()) {
return set_background(it->second, type, for_dark_theme, std::move(promise));
}
upload_background_file(file_id, type, for_dark_theme, std::move(promise));
break;
}
case td_api::inputBackgroundRemote::ID: {
auto background_remote = static_cast<const td_api::inputBackgroundRemote *>(input_background);
return set_background(BackgroundId(background_remote->background_id_), type, for_dark_theme, std::move(promise));
}
default:
UNREACHABLE();
}
return BackgroundId();
}
BackgroundId BackgroundManager::set_background(BackgroundId background_id, const BackgroundType &type,
bool for_dark_theme, Promise<Unit> &&promise) {
auto *background = get_background(background_id);
if (background == nullptr) {
promise.set_error(Status::Error(400, "Background to set not found"));
return BackgroundId();
}
if (background->type.type != type.type) {
promise.set_error(Status::Error(400, "Background type mismatch"));
return BackgroundId();
}
if (set_background_id_[for_dark_theme] == background_id) {
promise.set_value(Unit());
return background_id;
}
LOG(INFO) << "Install " << background_id << " with " << type;
auto query_promise = PromiseCreator::lambda([actor_id = actor_id(this), background_id, type, for_dark_theme,
promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_installed_background, background_id, type, for_dark_theme,
std::move(result), std::move(promise));
});
td_->create_handler<InstallBackgroundQuery>(std::move(query_promise))
->send(background_id, background->access_hash, type);
return BackgroundId();
}
void BackgroundManager::on_installed_background(BackgroundId background_id, BackgroundType type, bool for_dark_theme,
Result<Unit> &&result, Promise<Unit> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
auto it = std::find(installed_background_ids_.begin(), installed_background_ids_.end(), background_id);
if (it == installed_background_ids_.end()) {
installed_background_ids_.insert(installed_background_ids_.begin(), background_id);
}
set_background_id(background_id, type, for_dark_theme);
promise.set_value(Unit());
}
string BackgroundManager::get_background_database_key(bool for_dark_theme) {
return for_dark_theme ? "bgd" : "bg";
}
void BackgroundManager::save_background_id(bool for_dark_theme) const {
string key = get_background_database_key(for_dark_theme);
auto background_id = set_background_id_[for_dark_theme];
if (background_id.is_valid()) {
const Background *background = get_background(background_id);
CHECK(background != nullptr);
BackgroundLogEvent logevent{background_id, background->access_hash, background->name,
background->file_id, background->is_creator, background->is_default,
background->is_dark, background->type, set_background_type_[for_dark_theme]};
G()->td_db()->get_binlog_pmc()->set(key, log_event_store(logevent).as_slice().str());
} else {
G()->td_db()->get_binlog_pmc()->erase(key);
}
}
void BackgroundManager::set_background_id(BackgroundId background_id, const BackgroundType &type, bool for_dark_theme) {
if (background_id == set_background_id_[for_dark_theme] && set_background_type_[for_dark_theme] == type) {
return;
}
set_background_id_[for_dark_theme] = background_id;
set_background_type_[for_dark_theme] = type;
save_background_id(for_dark_theme);
send_update_selected_background(for_dark_theme);
}
void BackgroundManager::upload_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
Promise<Unit> &&promise) {
auto upload_file_id = td_->file_manager_->dup_file_id(file_id);
being_uploaded_files_[upload_file_id] = {type, for_dark_theme, std::move(promise)};
LOG(INFO) << "Ask to upload background file " << upload_file_id;
td_->file_manager_->upload(upload_file_id, upload_background_file_callback_, 1, 0);
}
void BackgroundManager::on_upload_background_file(FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file) {
LOG(INFO) << "Background file " << file_id << " has been uploaded";
auto it = being_uploaded_files_.find(file_id);
CHECK(it != being_uploaded_files_.end());
auto type = it->second.type;
auto for_dark_theme = it->second.for_dark_theme;
auto promise = std::move(it->second.promise);
being_uploaded_files_.erase(it);
do_upload_background_file(file_id, type, for_dark_theme, std::move(input_file), std::move(promise));
}
void BackgroundManager::on_upload_background_file_error(FileId file_id, Status status) {
if (G()->close_flag()) {
// do not fail upload if closing
return;
}
LOG(WARNING) << "Background file " << file_id << " has upload error " << status;
CHECK(status.is_error());
auto it = being_uploaded_files_.find(file_id);
CHECK(it != being_uploaded_files_.end());
auto promise = std::move(it->second.promise);
being_uploaded_files_.erase(it);
promise.set_error(Status::Error(status.code() > 0 ? status.code() : 500,
status.message())); // TODO CHECK that status has always a code
}
void BackgroundManager::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) {
if (input_file == nullptr) {
FileView file_view = td_->file_manager_->get_file_view(file_id);
file_id = file_view.file_id();
auto it = file_id_to_background_id_.find(file_id);
if (it != file_id_to_background_id_.end()) {
set_background(it->second, type, for_dark_theme, std::move(promise));
return;
}
return promise.set_error(Status::Error(500, "Failed to reupload background"));
}
td_->create_handler<UploadBackgroundQuery>(std::move(promise))
->send(file_id, std::move(input_file), type, for_dark_theme);
}
void BackgroundManager::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) {
CHECK(wallpaper != nullptr);
BackgroundId background_id = on_get_background(BackgroundId(), std::move(wallpaper));
if (!background_id.is_valid()) {
td_->file_manager_->cancel_upload(file_id);
return promise.set_error(Status::Error(500, "Receive wrong uploaded background"));
}
auto background = get_background(background_id);
CHECK(background != nullptr);
LOG_STATUS(td_->file_manager_->merge(background->file_id, file_id));
set_background_id(background_id, type, for_dark_theme);
promise.set_value(Unit());
}
void BackgroundManager::remove_background(BackgroundId background_id, Promise<Unit> &&promise) {
auto background = get_background(background_id);
if (background == nullptr) {
return promise.set_error(Status::Error(400, "Background not found"));
}
auto query_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), background_id, promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_removed_background, background_id, std::move(result),
std::move(promise));
});
if (background->type.type == BackgroundType::Type::Solid) {
return query_promise.set_value(Unit());
}
td_->create_handler<SaveBackgroundQuery>(std::move(query_promise))
->send(background_id, background->access_hash, background->type, true);
}
void BackgroundManager::on_removed_background(BackgroundId background_id, Result<Unit> &&result,
Promise<Unit> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
auto it = std::find(installed_background_ids_.begin(), installed_background_ids_.end(), background_id);
if (it != installed_background_ids_.end()) {
installed_background_ids_.erase(it);
}
if (background_id == set_background_id_[0]) {
set_background_id(BackgroundId(), BackgroundType(), false);
}
if (background_id == set_background_id_[1]) {
set_background_id(BackgroundId(), BackgroundType(), true);
}
promise.set_value(Unit());
}
void BackgroundManager::reset_backgrounds(Promise<Unit> &&promise) {
auto query_promise =
PromiseCreator::lambda([actor_id = actor_id(this), promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_reset_background, std::move(result), std::move(promise));
});
td_->create_handler<ResetBackgroundsQuery>(std::move(query_promise))->send();
}
void BackgroundManager::on_reset_background(Result<Unit> &&result, Promise<Unit> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
installed_background_ids_.clear();
set_background_id(BackgroundId(), BackgroundType(), false);
set_background_id(BackgroundId(), BackgroundType(), true);
promise.set_value(Unit());
}
BackgroundManager::Background *BackgroundManager::add_background(BackgroundId background_id) {
CHECK(background_id.is_valid());
auto *result = &backgrounds_[background_id];
if (!result->id.is_valid()) {
auto it = background_id_to_file_source_id_.find(background_id);
if (it != background_id_to_file_source_id_.end()) {
result->file_source_id = it->second.second;
background_id_to_file_source_id_.erase(it);
}
}
return result;
}
BackgroundManager::Background *BackgroundManager::get_background_ref(BackgroundId background_id) {
auto p = backgrounds_.find(background_id);
if (p == backgrounds_.end()) {
return nullptr;
} else {
return &p->second;
}
}
const BackgroundManager::Background *BackgroundManager::get_background(BackgroundId background_id) const {
auto p = backgrounds_.find(background_id);
if (p == backgrounds_.end()) {
return nullptr;
} else {
return &p->second;
}
}
BackgroundId BackgroundManager::on_get_background(BackgroundId expected_background_id,
telegram_api::object_ptr<telegram_api::wallPaper> wallpaper) {
CHECK(wallpaper != nullptr);
auto id = BackgroundId(wallpaper->id_);
if (!id.is_valid()) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return BackgroundId();
}
if (expected_background_id.is_valid() && id != expected_background_id) {
LOG(ERROR) << "Expected " << expected_background_id << ", but receive " << to_string(wallpaper);
}
if (wallpaper->slug_.size() <= 6 || (0 < wallpaper->id_ && wallpaper->id_ <= 0x1000000)) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return BackgroundId();
}
int32 document_id = wallpaper->document_->get_id();
if (document_id == telegram_api::documentEmpty::ID) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return BackgroundId();
}
CHECK(document_id == telegram_api::document::ID);
int32 flags = wallpaper->flags_;
bool is_pattern = (flags & telegram_api::wallPaper::PATTERN_MASK) != 0;
Document document = td_->documents_manager_->on_get_document(
telegram_api::move_object_as<telegram_api::document>(wallpaper->document_), DialogId(), nullptr,
Document::Type::General, true, is_pattern);
if (!document.file_id.is_valid()) {
LOG(ERROR) << "Receive wrong document in " << to_string(wallpaper);
return BackgroundId();
}
CHECK(document.type == Document::Type::General);
auto *background = add_background(id);
background->id = id;
background->access_hash = wallpaper->access_hash_;
background->is_creator = (flags & telegram_api::wallPaper::CREATOR_MASK) != 0;
background->is_default = (flags & telegram_api::wallPaper::DEFAULT_MASK) != 0;
background->is_dark = (flags & telegram_api::wallPaper::DARK_MASK) != 0;
background->type = get_background_type(is_pattern, std::move(wallpaper->settings_));
if (background->name != wallpaper->slug_) {
if (!background->name.empty()) {
LOG(ERROR) << "Background name has changed from " << background->name << " to " << wallpaper->slug_;
name_to_background_id_.erase(background->name);
}
background->name = std::move(wallpaper->slug_);
name_to_background_id_.emplace(background->name, id);
}
if (background->file_id != document.file_id) {
if (background->file_id.is_valid()) {
LOG(ERROR) << "Background file has changed from " << background->file_id << " to " << document.file_id;
file_id_to_background_id_.erase(background->file_id);
}
if (!background->file_source_id.is_valid()) {
background->file_source_id =
td_->file_reference_manager_->create_background_file_source(id, background->access_hash);
}
for (auto file_id : document.get_file_ids(td_)) {
td_->file_manager_->add_file_source(file_id, background->file_source_id);
}
background->file_id = document.file_id;
file_id_to_background_id_.emplace(background->file_id, id);
}
return id;
}
void BackgroundManager::on_get_backgrounds(Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result) {
auto promises = std::move(pending_get_backgrounds_queries_);
CHECK(!promises.empty());
reset_to_empty(pending_get_backgrounds_queries_);
if (result.is_error()) {
// do not clear installed_background_ids_
auto error = result.move_as_error();
for (auto &promise : promises) {
promise.set_error(error.clone());
}
return;
}
auto wallpapers_ptr = result.move_as_ok();
LOG(INFO) << "Receive " << to_string(wallpapers_ptr);
if (wallpapers_ptr->get_id() == telegram_api::account_wallPapersNotModified::ID) {
for (auto &promise : promises) {
promise.set_value(Unit());
}
return;
}
installed_background_ids_.clear();
auto wallpapers = telegram_api::move_object_as<telegram_api::account_wallPapers>(wallpapers_ptr);
for (auto &wallpaper : wallpapers->wallpapers_) {
auto background_id = on_get_background(BackgroundId(), std::move(wallpaper));
if (background_id.is_valid()) {
installed_background_ids_.push_back(background_id);
}
}
for (auto &promise : promises) {
promise.set_value(Unit());
}
}
td_api::object_ptr<td_api::background> BackgroundManager::get_background_object(BackgroundId background_id,
bool for_dark_theme) const {
auto background = get_background(background_id);
if (background == nullptr) {
return nullptr;
}
auto type = &background->type;
// first check another set_background_id to get correct type if both backgrounds are the same
if (background_id == set_background_id_[1 - static_cast<int>(for_dark_theme)]) {
type = &set_background_type_[1 - static_cast<int>(for_dark_theme)];
}
if (background_id == set_background_id_[for_dark_theme]) {
type = &set_background_type_[for_dark_theme];
}
return td_api::make_object<td_api::background>(
background->id.get(), background->is_default, background->is_dark, background->name,
td_->documents_manager_->get_document_object(background->file_id), get_background_type_object(*type));
}
td_api::object_ptr<td_api::backgrounds> BackgroundManager::get_backgrounds_object(bool for_dark_theme) const {
auto backgrounds = transform(installed_background_ids_, [this, for_dark_theme](BackgroundId background_id) {
return get_background_object(background_id, for_dark_theme);
});
auto background_id = set_background_id_[for_dark_theme];
if (background_id.is_valid() && std::find(installed_background_ids_.begin(), installed_background_ids_.end(),
background_id) == installed_background_ids_.end()) {
backgrounds.push_back(get_background_object(background_id, for_dark_theme));
}
std::stable_sort(backgrounds.begin(), backgrounds.end(),
[background_id, for_dark_theme](const td_api::object_ptr<td_api::background> &lhs,
const td_api::object_ptr<td_api::background> &rhs) {
auto get_order = [background_id,
for_dark_theme](const td_api::object_ptr<td_api::background> &background) {
if (background->id_ == background_id.get()) {
return 0;
}
if (background->is_dark_ == for_dark_theme) {
return 1;
}
return 2;
};
return get_order(lhs) < get_order(rhs);
});
return td_api::make_object<td_api::backgrounds>(std::move(backgrounds));
}
FileSourceId BackgroundManager::get_background_file_source_id(BackgroundId background_id, int64 access_hash) {
Background *background = get_background_ref(background_id);
if (background != nullptr) {
if (!background->file_source_id.is_valid()) {
background->file_source_id =
td_->file_reference_manager_->create_background_file_source(background_id, background->access_hash);
}
return background->file_source_id;
}
auto &result = background_id_to_file_source_id_[background_id];
if (result.first == 0) {
result.first = access_hash;
}
if (!result.second.is_valid()) {
result.second = td_->file_reference_manager_->create_background_file_source(background_id, result.first);
}
return result.second;
}
void BackgroundManager::get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const {
if (td_->auth_manager_->is_bot()) {
return;
}
updates.push_back(get_update_selected_background_object(false));
updates.push_back(get_update_selected_background_object(true));
}
} // namespace td
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