144 lines
5.1 KiB
C++
144 lines
5.1 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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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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#include "td/telegram/WallpaperManager.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/telegram/DialogId.h"
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#include "td/telegram/FileReferenceManager.h"
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#include "td/telegram/files/FileManager.h"
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#include "td/telegram/files/FileType.h"
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#include "td/telegram/Global.h"
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#include "td/telegram/Photo.h"
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#include "td/telegram/Td.h"
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#include "td/utils/buffer.h"
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#include "td/utils/common.h"
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#include "td/utils/misc.h"
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namespace td {
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class GetWallpapersQuery : public Td::ResultHandler {
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Promise<vector<telegram_api::object_ptr<telegram_api::WallPaper>>> promise_;
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public:
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explicit GetWallpapersQuery(Promise<vector<telegram_api::object_ptr<telegram_api::WallPaper>>> &&promise)
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: promise_(std::move(promise)) {
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}
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void send() {
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send_query(G()->net_query_creator().create(create_storer(telegram_api::account_getWallPapers())));
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}
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void on_result(uint64 id, BufferSlice packet) override {
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auto result_ptr = fetch_result<telegram_api::account_getWallPapers>(packet);
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if (result_ptr.is_error()) {
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return on_error(id, result_ptr.move_as_error());
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}
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promise_.set_value(result_ptr.move_as_ok());
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}
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void on_error(uint64 id, Status status) override {
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promise_.set_error(std::move(status));
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}
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};
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WallpaperManager::WallpaperManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
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}
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void WallpaperManager::tear_down() {
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parent_.reset();
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}
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void WallpaperManager::get_wallpapers(Promise<Unit> &&promise) {
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if (!wallpapers_.empty()) {
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return promise.set_value(Unit());
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}
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reload_wallpapers(std::move(promise));
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}
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void WallpaperManager::reload_wallpapers(Promise<Unit> &&promise) {
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pending_get_wallpapers_queries_.push_back(std::move(promise));
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if (pending_get_wallpapers_queries_.size() == 1) {
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auto request_promise = PromiseCreator::lambda(
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[actor_id = actor_id(this)](Result<vector<telegram_api::object_ptr<telegram_api::WallPaper>>> result) {
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send_closure(actor_id, &WallpaperManager::on_get_wallpapers, std::move(result));
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});
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td_->create_handler<GetWallpapersQuery>(std::move(request_promise))->send();
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}
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}
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void WallpaperManager::on_get_wallpapers(Result<vector<telegram_api::object_ptr<telegram_api::WallPaper>>> result) {
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auto promises = std::move(pending_get_wallpapers_queries_);
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CHECK(!promises.empty());
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reset_to_empty(pending_get_wallpapers_queries_);
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if (result.is_error()) {
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// do not clear wallpapers_
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auto error = result.move_as_error();
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for (auto &promise : promises) {
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promise.set_error(error.clone());
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}
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return;
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}
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wallpapers_ = transform(result.move_as_ok(), [file_manager = td_->file_manager_.get()](
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tl_object_ptr<telegram_api::WallPaper> &&wallpaper_ptr) {
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CHECK(wallpaper_ptr != nullptr);
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switch (wallpaper_ptr->get_id()) {
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case telegram_api::wallPaper::ID: {
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auto wallpaper = move_tl_object_as<telegram_api::wallPaper>(wallpaper_ptr);
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vector<PhotoSize> sizes = transform(std::move(wallpaper->sizes_),
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[file_manager](tl_object_ptr<telegram_api::PhotoSize> &&photo_size) {
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return get_photo_size(file_manager, FileType::Wallpaper, 0, 0, "",
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DialogId(), std::move(photo_size), false);
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});
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return Wallpaper{wallpaper->id_, std::move(sizes), wallpaper->color_};
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}
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case telegram_api::wallPaperSolid::ID: {
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auto wallpaper = move_tl_object_as<telegram_api::wallPaperSolid>(wallpaper_ptr);
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return Wallpaper{wallpaper->id_, {}, wallpaper->bg_color_};
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}
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default:
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UNREACHABLE();
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return Wallpaper{0, {}, 0};
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}
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});
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vector<FileId> new_file_ids;
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for (auto &wallpaper : wallpapers_) {
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append(new_file_ids, transform(wallpaper.sizes, [](auto &size) { return size.file_id; }));
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};
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td_->file_manager_->change_files_source(get_wallpapers_file_source_id(), wallpaper_file_ids_, new_file_ids);
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wallpaper_file_ids_ = std::move(new_file_ids);
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for (auto &promise : promises) {
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promise.set_value(Unit());
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}
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}
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FileSourceId WallpaperManager::get_wallpapers_file_source_id() {
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if (!wallpaper_source_id_.is_valid()) {
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wallpaper_source_id_ = td_->file_reference_manager_->create_wallpapers_file_source();
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}
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return wallpaper_source_id_;
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}
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td_api::object_ptr<td_api::wallpapers> WallpaperManager::get_wallpapers_object() const {
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return td_api::make_object<td_api::wallpapers>(
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transform(wallpapers_, [file_manager = td_->file_manager_.get()](const Wallpaper &wallpaper) {
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return td_api::make_object<td_api::wallpaper>(
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wallpaper.id, get_photo_sizes_object(file_manager, wallpaper.sizes), wallpaper.color);
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}));
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}
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} // namespace td
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