Load chat cloud themes list.

Telegram/SourceFiles/data/data_channel.cpp

@@ -887,6 +887,7 @@ void ApplyChannelUpdate(
 			session->changes().peerUpdated(channel, UpdateFlag::StickersSet);
 		}
 	}
+	channel->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
 	channel->fullUpdated();
 
 	if (canViewAdmins != channel->canViewAdmins()

Telegram/SourceFiles/data/data_chat.cpp

@@ -428,6 +428,7 @@ void ApplyChatUpdate(not_null<ChatData*> chat, const MTPDchatFull &update) {
 		SetTopPinnedMessageId(chat, pinned->v);
 	}
 	chat->checkFolder(update.vfolder_id().value_or_empty());
+	chat->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
 	chat->fullUpdated();
 	chat->setAbout(qs(update.vabout()));
 

Telegram/SourceFiles/data/data_cloud_themes.cpp

@@ -31,21 +31,69 @@ constexpr auto kReloadTimeout = 3600 * crl::time(1000);
 
 CloudTheme CloudTheme::Parse(
 		not_null<Main::Session*> session,
-		const MTPDtheme &data) {
+		const MTPDtheme &data,
+		bool parseSettings) {
+	constexpr auto size = sizeof(CloudTheme);
 	const auto document = data.vdocument();
+	const auto paper = [&]() -> std::optional<WallPaper> {
+		if (const auto settings = data.vsettings()) {
+			settings->match([&](const MTPDthemeSettings &data) {
+				return data.vwallpaper()
+					? std::make_optional(
+						WallPaper::Create(session, *data.vwallpaper()))
+					: std::nullopt;
+			});
+		}
+		return {};
+	};
+	const auto outgoingMessagesColors = [&] {
+		auto result = std::vector<QColor>();
+		if (const auto settings = data.vsettings()) {
+			settings->match([&](const MTPDthemeSettings &data) {
+				if (const auto colors = data.vmessage_colors()) {
+					for (const auto color : colors->v) {
+						result.push_back(ColorFromSerialized(color));
+					}
+				}
+			});
+		}
+		return result;
+	};
+	const auto accentColor = [&]() -> std::optional<QColor> {
+		if (const auto settings = data.vsettings()) {
+			settings->match([&](const MTPDthemeSettings &data) {
+				return ColorFromSerialized(data.vaccent_color().v);
+			});
+		}
+		return {};
+	};
 	return {
-		data.vid().v,
-		data.vaccess_hash().v,
-		qs(data.vslug()),
-		qs(data.vtitle()),
-		(document
+		.id = data.vid().v,
+		.accessHash = data.vaccess_hash().v,
+		.slug = qs(data.vslug()),
+		.title = qs(data.vtitle()),
+		.documentId = (document
 			? session->data().processDocument(*document)->id
 			: DocumentId(0)),
-		data.is_creator() ? session->userId() : UserId(0),
-		data.vinstalls_count().value_or_empty()
+		.createdBy = data.is_creator() ? session->userId() : UserId(0),
+		.usersCount = data.vinstalls_count().value_or_empty(),
+		.paper = parseSettings ? paper() : std::nullopt,
+		.accentColor = parseSettings ? accentColor() : std::nullopt,
+		.outgoingMessagesColors = (parseSettings
+			? outgoingMessagesColors()
+			: std::vector<QColor>()),
 	};
 }
 
+CloudTheme CloudTheme::Parse(
+		not_null<Main::Session*> session,
+		const MTPTheme &data,
+		bool parseSettings) {
+	return data.match([&](const MTPDtheme &data) {
+		return CloudTheme::Parse(session, data, parseSettings);
+	});
+}
+
 QString CloudThemes::Format() {
 	static const auto kResult = QString::fromLatin1("tdesktop");
 	return kResult;
@@ -256,14 +304,14 @@ void CloudThemes::scheduleReload() {
 }
 
 void CloudThemes::refresh() {
-	if (_refreshRquestId) {
+	if (_refreshRequestId) {
 		return;
 	}
-	_refreshRquestId = _session->api().request(MTPaccount_GetThemes(
+	_refreshRequestId = _session->api().request(MTPaccount_GetThemes(
 		MTP_string(Format()),
 		MTP_int(_hash)
 	)).done([=](const MTPaccount_Themes &result) {
-		_refreshRquestId = 0;
+		_refreshRequestId = 0;
 		result.match([&](const MTPDaccount_themes &data) {
 			_hash = data.vhash().v;
 			parseThemes(data.vthemes().v);
@@ -271,7 +319,7 @@ void CloudThemes::refresh() {
 		}, [](const MTPDaccount_themesNotModified &) {
 		});
 	}).fail([=](const MTP::Error &error) {
-		_refreshRquestId = 0;
+		_refreshRequestId = 0;
 	}).send();
 }
 
@@ -279,13 +327,61 @@ void CloudThemes::parseThemes(const QVector<MTPTheme> &list) {
 	_list.clear();
 	_list.reserve(list.size());
 	for (const auto &theme : list) {
-		theme.match([&](const MTPDtheme &data) {
-			_list.push_back(CloudTheme::Parse(_session, data));
-		});
+		_list.push_back(CloudTheme::Parse(_session, theme));
 	}
 	checkCurrentTheme();
 }
 
+void CloudThemes::refreshChatThemes() {
+	if (_chatThemesRequestId) {
+		return;
+	}
+	_chatThemesRequestId = _session->api().request(MTPaccount_GetChatThemes(
+		MTP_int(_chatThemesHash)
+	)).done([=](const MTPaccount_ChatThemes &result) {
+		_chatThemesRequestId = 0;
+		result.match([&](const MTPDaccount_chatThemes &data) {
+			_hash = data.vhash().v;
+			parseChatThemes(data.vthemes().v);
+			_chatThemesUpdates.fire({});
+		}, [](const MTPDaccount_chatThemesNotModified &) {
+		});
+	}).fail([=](const MTP::Error &error) {
+		_chatThemesRequestId = 0;
+	}).send();
+}
+
+const std::vector<ChatTheme> &CloudThemes::chatThemes() const {
+	return _chatThemes;
+}
+
+rpl::producer<> CloudThemes::chatThemesUpdated() const {
+	return _chatThemesUpdates.events();
+}
+
+std::optional<ChatTheme> CloudThemes::themeForEmoji(
+		const QString &emoji) const {
+	if (emoji.isEmpty()) {
+		return {};
+	}
+	const auto i = ranges::find(_chatThemes, emoji, &ChatTheme::emoji);
+	return (i != end(_chatThemes)) ? std::make_optional(*i) : std::nullopt;
+}
+
+void CloudThemes::parseChatThemes(const QVector<MTPChatTheme> &list) {
+	_chatThemes.clear();
+	_chatThemes.reserve(list.size());
+	for (const auto &theme : list) {
+		theme.match([&](const MTPDchatTheme &data) {
+			_chatThemes.push_back({
+				.emoji = qs(data.vemoticon()),
+				.light = CloudTheme::Parse(_session, data.vtheme(), true),
+				.dark = CloudTheme::Parse(_session, data.vdark_theme(), true),
+			});
+		});
+	}
+}
+
 void CloudThemes::checkCurrentTheme() {
 	const auto &object = Window::Theme::Background()->themeObject();
 	if (!object.cloud.id || !object.cloud.documentId) {

Telegram/SourceFiles/data/data_cloud_themes.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "base/timer.h"
+#include "data/data_wall_paper.h"
 
 class DocumentData;
 
@@ -31,10 +32,24 @@ struct CloudTheme {
 	DocumentId documentId = 0;
 	UserId createdBy = 0;
 	int usersCount = 0;
+	std::optional<WallPaper> paper;
+	std::optional<QColor> accentColor;
+	std::vector<QColor> outgoingMessagesColors;
 
 	static CloudTheme Parse(
 		not_null<Main::Session*> session,
-		const MTPDtheme &data);
+		const MTPDtheme &data,
+		bool parseSettings = false);
+	static CloudTheme Parse(
+		not_null<Main::Session*> session,
+		const MTPTheme &data,
+		bool parseSettings = false);
+};
+
+struct ChatTheme {
+	QString emoji;
+	CloudTheme light;
+	CloudTheme dark;
 };
 
 class CloudThemes final {
@@ -49,6 +64,12 @@ public:
 	void savedFromEditor(const CloudTheme &data);
 	void remove(uint64 cloudThemeId);
 
+	void refreshChatThemes();
+	[[nodiscard]] const std::vector<ChatTheme> &chatThemes() const;
+	[[nodiscard]] rpl::producer<> chatThemesUpdated() const;
+	[[nodiscard]] std::optional<ChatTheme> themeForEmoji(
+		const QString &emoji) const;
+
 	void applyUpdate(const MTPTheme &theme);
 
 	void resolve(
@@ -90,13 +111,20 @@ private:
 		Fn<void(std::shared_ptr<Data::DocumentMedia>)> callback);
 	void invokeForLoaded(LoadingDocument &value);
 
+	void parseChatThemes(const QVector<MTPChatTheme> &list);
+
 	const not_null<Main::Session*> _session;
 	int32 _hash = 0;
-	mtpRequestId _refreshRquestId = 0;
+	mtpRequestId _refreshRequestId = 0;
 	mtpRequestId _resolveRequestId = 0;
 	std::vector<CloudTheme> _list;
 	rpl::event_stream<> _updates;
 
+	int32 _chatThemesHash = 0;
+	mtpRequestId _chatThemesRequestId = 0;
+	std::vector<ChatTheme> _chatThemes;
+	rpl::event_stream<> _chatThemesUpdates;
+
 	base::Timer _reloadCurrentTimer;
 	LoadingDocument _updatingFrom;
 	LoadingDocument _previewFrom;

Telegram/SourceFiles/data/data_peer.cpp

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
 #include "data/data_histories.h"
+#include "data/data_cloud_themes.h"
 #include "base/unixtime.h"
 #include "base/crc32hash.h"
 #include "lang/lang_keys.h"
@@ -1012,6 +1013,17 @@ PeerId PeerData::groupCallDefaultJoinAs() const {
 	return 0;
 }
 
+void PeerData::setThemeEmoji(const QString &emoji) {
+	_themeEmoji = emoji;
+	if (!emoji.isEmpty() && !owner().cloudThemes().themeForEmoji(emoji)) {
+		owner().cloudThemes().refreshChatThemes();
+	}
+}
+
+const QString &PeerData::themeEmoji() const {
+	return _themeEmoji;
+}
+
 void PeerData::setIsBlocked(bool is) {
 	const auto status = is
 		? BlockStatus::Blocked

Telegram/SourceFiles/data/data_peer.h

@@ -470,6 +470,9 @@ public:
 	[[nodiscard]] Data::GroupCall *groupCall() const;
 	[[nodiscard]] PeerId groupCallDefaultJoinAs() const;
 
+	void setThemeEmoji(const QString &emoji);
+	[[nodiscard]] const QString &themeEmoji() const;
+
 	const PeerId id;
 	QString name;
 	MTPinputPeer input = MTP_inputPeerEmpty();
@@ -515,6 +518,7 @@ private:
 	LoadedStatus _loadedStatus = LoadedStatus::Not;
 
 	QString _about;
+	QString _themeEmoji;
 
 };
 

Telegram/SourceFiles/data/data_user.cpp

@@ -225,6 +225,7 @@ void ApplyUserUpdate(not_null<UserData*> user, const MTPDuserFull &update) {
 	user->setAbout(qs(update.vabout().value_or_empty()));
 	user->setCommonChatsCount(update.vcommon_chats_count().v);
 	user->checkFolder(update.vfolder_id().value_or_empty());
+	user->setThemeEmoji(qs(update.vtheme_emoticon().value_or_empty()));
 	user->fullUpdated();
 }
 

Telegram/SourceFiles/data/data_wall_paper.cpp

@@ -45,25 +45,10 @@ constexpr auto kVersion = 1;
 	return color ? SerializeColor(*color) : quint32(-1);
 }
 
-[[nodiscard]] std::optional<QColor> MaybeColorFromSerialized(
-		quint32 serialized) {
-	return (serialized == quint32(-1))
-		? std::nullopt
-		: std::make_optional(QColor(
-			int((serialized >> 16) & 0xFFU),
-			int((serialized >> 8) & 0xFFU),
-			int(serialized & 0xFFU)));
-}
-
 [[nodiscard]] QColor DefaultBackgroundColor() {
 	return QColor(213, 223, 233);
 }
 
-[[nodiscard]] std::optional<QColor> MaybeColorFromSerialized(
-		const tl::conditional<MTPint> &mtp) {
-	return mtp ? MaybeColorFromSerialized(mtp->v) : std::nullopt;
-}
-
 [[nodiscard]] std::vector<QColor> ColorsFromMTP(
 		const MTPDwallPaperSettings &data) {
 	auto result = std::vector<QColor>();
@@ -791,6 +776,29 @@ QImage GenerateDitheredGradient(const Data::WallPaper &paper) {
 		paper.gradientRotation());
 }
 
+QColor ColorFromSerialized(quint32 serialized) {
+	return QColor(
+		int((serialized >> 16) & 0xFFU),
+		int((serialized >> 8) & 0xFFU),
+		int(serialized & 0xFFU));
+}
+
+QColor ColorFromSerialized(MTPint serialized) {
+	return ColorFromSerialized(serialized.v);
+}
+
+std::optional<QColor> MaybeColorFromSerialized(
+		quint32 serialized) {
+	return (serialized == quint32(-1))
+		? std::nullopt
+		: std::make_optional(ColorFromSerialized(serialized));
+}
+
+std::optional<QColor> MaybeColorFromSerialized(
+		const tl::conditional<MTPint> &mtp) {
+	return mtp ? std::make_optional(ColorFromSerialized(*mtp)) : std::nullopt;
+}
+
 namespace details {
 
 WallPaper UninitializedWallPaper() {

Telegram/SourceFiles/data/data_wall_paper.h

@@ -139,6 +139,13 @@ private:
 	int rotation);
 [[nodiscard]] QImage GenerateDitheredGradient(const WallPaper &paper);
 
+[[nodiscard]] QColor ColorFromSerialized(quint32 serialized);
+[[nodiscard]] QColor ColorFromSerialized(MTPint serialized);
+[[nodiscard]] std::optional<QColor> MaybeColorFromSerialized(
+	quint32 serialized);
+[[nodiscard]] std::optional<QColor> MaybeColorFromSerialized(
+	const tl::conditional<MTPint> &mtp);
+
 namespace details {
 
 [[nodiscard]] WallPaper UninitializedWallPaper();

Telegram/SourceFiles/history/history.cpp

@@ -1061,6 +1061,8 @@ void History::applyServiceChanges(
 				}
 			}
 		}
+	}, [&](const MTPDmessageActionSetChatTheme &data) {
+		peer->setThemeEmoji(qs(data.vemoticon()));
 	}, [](const auto &) {
 	});
 }