Add Info::Channels section + feed channels search.

Telegram/Resources/langs/lang.strings

@@ -1438,6 +1438,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_feed_select_more_channels#one" = "Select {count} channel or more.";
 "lng_feed_select_more_channels#other" = "Select {count} channels or more.";
 "lng_feed_create" = "Create";
+"lng_feed_edit_title" = "Edit feed";
+"lng_feed_channels_not_found" = "No channels found";
 
 "lng_info_feed_title" = "Feed Info";
 "lng_info_feed_is_default" = "Group new channels";

Telegram/SourceFiles/info/channels/info_channels_widget.cpp

@@ -0,0 +1,97 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "info/channels/info_channels_widget.h"
+
+#include "info/feed/info_feed_channels.h"
+#include "info/info_controller.h"
+#include "ui/widgets/scroll_area.h"
+#include "styles/style_info.h"
+
+namespace Info {
+namespace Channels {
+
+Memento::Memento(not_null<Controller*> controller)
+: Memento(controller->feed()) {
+}
+
+Memento::Memento(not_null<Data::Feed*> feed)
+: ContentMemento(feed) {
+}
+
+Section Memento::section() const {
+	return Section(Section::Type::Channels);
+}
+
+object_ptr<ContentWidget> Memento::createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) {
+	auto result = object_ptr<Widget>(
+		parent,
+		controller);
+	result->setInternalState(geometry, this);
+	return std::move(result);
+}
+
+void Memento::setState(std::unique_ptr<SavedState> state) {
+	_state = std::move(state);
+}
+
+std::unique_ptr<SavedState> Memento::state() {
+	return std::move(_state);
+}
+
+Memento::~Memento() = default;
+
+Widget::Widget(
+	QWidget *parent,
+	not_null<Controller*> controller)
+: ContentWidget(parent, controller) {
+	_inner = setInnerWidget(object_ptr<FeedProfile::Channels>(
+		this,
+		controller));
+}
+
+bool Widget::showInternal(not_null<ContentMemento*> memento) {
+	if (!controller()->validateMementoPeer(memento)) {
+		return false;
+	}
+	if (auto membersMemento = dynamic_cast<Memento*>(memento.get())) {
+		restoreState(membersMemento);
+		return true;
+	}
+	return false;
+}
+
+void Widget::setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento) {
+	setGeometry(geometry);
+	Ui::SendPendingMoveResizeEvents(this);
+	restoreState(memento);
+}
+
+std::unique_ptr<ContentMemento> Widget::doCreateMemento() {
+	auto result = std::make_unique<Memento>(controller());
+	saveState(result.get());
+	return std::move(result);
+}
+
+void Widget::saveState(not_null<Memento*> memento) {
+	memento->setScrollTop(scrollTopSave());
+	memento->setState(_inner->saveState());
+}
+
+void Widget::restoreState(not_null<Memento*> memento) {
+	_inner->restoreState(memento->state());
+	auto scrollTop = memento->scrollTop();
+	scrollTopRestore(memento->scrollTop());
+}
+
+} // namespace Channels
+} // namespace Info

Telegram/SourceFiles/info/channels/info_channels_widget.h

@@ -0,0 +1,74 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "info/info_content_widget.h"
+
+struct PeerListState;
+
+namespace Data {
+class Feed;
+} // namespace Data
+
+namespace Info {
+namespace FeedProfile {
+class Channels;
+struct ChannelsState;
+} // namespace FeedProfile
+
+namespace Channels {
+
+using SavedState = FeedProfile::ChannelsState;
+
+class Memento final : public ContentMemento {
+public:
+	explicit Memento(not_null<Controller*> controller);
+	explicit Memento(not_null<Data::Feed*> feed);
+
+	object_ptr<ContentWidget> createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) override;
+
+	Section section() const override;
+
+	void setState(std::unique_ptr<SavedState> state);
+	std::unique_ptr<SavedState> state();
+
+	~Memento();
+
+private:
+	std::unique_ptr<SavedState> _state;
+
+};
+
+class Widget final : public ContentWidget {
+public:
+	Widget(
+		QWidget *parent,
+		not_null<Controller*> controller);
+
+	bool showInternal(
+		not_null<ContentMemento*> memento) override;
+
+	void setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento);
+
+private:
+	void saveState(not_null<Memento*> memento);
+	void restoreState(not_null<Memento*> memento);
+
+	std::unique_ptr<ContentMemento> doCreateMemento() override;
+
+	FeedProfile::Channels *_inner = nullptr;
+
+};
+
+} // namespace Channels
+} // namespace Info

Telegram/SourceFiles/info/feed/info_feed_channels.cpp

@@ -11,7 +11,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/profile/info_profile_icon.h"
 #include "info/profile/info_profile_button.h"
 #include "info/profile/info_profile_values.h"
+#include "info/channels/info_channels_widget.h"
 #include "info/info_controller.h"
+#include "info/info_memento.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/scroll_area.h"
@@ -58,7 +60,7 @@ Channels::Channels(
 
 int Channels::desiredHeight() const {
 	auto desired = _header ? _header->height() : 0;
-	desired += st::infoMembersList.item.height
+	desired += st::infoChannelsList.item.height
 		* std::max(int(_feed->channels().size()), _list->fullRowsCount());
 	return qMax(height(), desired);
 }
@@ -81,7 +83,7 @@ void Channels::restoreState(std::unique_ptr<ChannelsState> state) {
 }
 
 void Channels::setupHeader() {
-	if (_controller->section().type() == Section::Type::Members) {
+	if (_controller->section().type() == Section::Type::Channels) {
 		return;
 	}
 	_header = object_ptr<Ui::FixedHeightWidget>(
@@ -135,28 +137,24 @@ void Channels::setupButtons() {
 		showChannelsWithSearch(false);
 	});
 
-	//auto addMemberShown = CanAddMemberValue(_peer)
-	//	| rpl::start_spawning(lifetime());
-	//_addChannel->showOn(rpl::duplicate(addMemberShown));
-	//_addChannel->addClickHandler([this] { // TODO throttle(ripple duration)
-	//	this->addMember();
-	//});
+	_addChannel->addClickHandler([this] { // TODO throttle(ripple duration)
+		this->addChannel();
+	});
 
-	//auto searchShown = MembersCountValue(_peer)
-	//	| rpl::map(_1 >= kEnableSearchMembersAfterCount)
-	//	| rpl::distinct_until_changed()
-	//	| rpl::start_spawning(lifetime());
-	//_search->showOn(rpl::duplicate(searchShown));
-	//_search->addClickHandler([this] { // TODO throttle(ripple duration)
-	//	this->showMembersWithSearch(true);
-	//});
+	auto searchShown = Profile::FeedChannelsCountValue(_feed)
+		| rpl::map(_1 >= kEnableSearchChannelsAfterCount)
+		| rpl::distinct_until_changed()
+		| rpl::start_spawning(lifetime());
+	_search->showOn(rpl::duplicate(searchShown));
+	_search->addClickHandler([this] { // TODO throttle(ripple duration)
+		this->showChannelsWithSearch(true);
+	});
 
-	//rpl::combine(
-	//	std::move(addMemberShown),
-	//	std::move(searchShown)
-	//) | rpl::start_with_next([this] {
-	//	updateHeaderControlsGeometry(width());
-	//}, lifetime());
+	std::move(
+		searchShown
+	) | rpl::start_with_next([this] {
+		updateHeaderControlsGeometry(width());
+	}, lifetime());
 }
 
 void Channels::setupList() {
@@ -164,7 +162,7 @@ void Channels::setupList() {
 	_list = object_ptr<ListWidget>(
 		this,
 		_listController.get(),
-		st::infoCommonGroupsList);
+		st::infoChannelsList);
 	_list->scrollToRequests(
 	) | rpl::start_with_next([this](Ui::ScrollToRequest request) {
 		auto addmin = (request.ymin < 0 || !_header)
@@ -271,34 +269,18 @@ void Channels::updateHeaderControlsGeometry(int newWidth) {
 }
 
 void Channels::addChannel() {
-	//if (const auto chat = _peer->asChat()) {
-	//	if (chat->count >= Global::ChatSizeMax() && chat->amCreator()) {
-	//		Ui::show(Box<ConvertToSupergroupBox>(chat));
-	//	} else {
-	//		AddParticipantsBoxController::Start(chat);
-	//	}
-	//} else if (const auto channel = _peer->asChannel()) {
-	//	const auto state = _listController->saveState();
-	//	const auto users = ranges::view::all(
-	//		state->list
-	//	) | ranges::view::transform([](not_null<PeerData*> peer) {
-	//		return peer->asUser();
-	//	}) | ranges::to_vector;
-	//	AddParticipantsBoxController::Start(
-	//		channel,
-	//		{ users.begin(), users.end() });
-	//}
+	EditController::Start(_feed);
 }
 
 void Channels::showChannelsWithSearch(bool withSearch) {
-	//auto contentMemento = std::make_unique<Info::Members::Memento>(
-	//	_controller);
-	//contentMemento->setState(saveState());
-	//contentMemento->setSearchStartsFocused(withSearch);
-	//auto mementoStack = std::vector<std::unique_ptr<ContentMemento>>();
-	//mementoStack.push_back(std::move(contentMemento));
-	//_controller->showSection(
-	//	Info::Memento(std::move(mementoStack)));
+	auto contentMemento = std::make_unique<Info::Channels::Memento>(
+		_controller);
+	contentMemento->setState(saveState());
+	contentMemento->setSearchStartsFocused(withSearch);
+	auto mementoStack = std::vector<std::unique_ptr<ContentMemento>>();
+	mementoStack.push_back(std::move(contentMemento));
+	_controller->showSection(
+		Info::Memento(std::move(mementoStack)));
 }
 
 void Channels::visibleTopBottomUpdated(

Telegram/SourceFiles/info/feed/info_feed_channels_controllers.cpp

@@ -114,7 +114,7 @@ std::unique_ptr<PeerListRow> ChannelsController::createRestoredRow(
 }
 
 void ChannelsController::prepare() {
-	setSearchNoResultsText(lang(lng_bot_groups_not_found));
+	setSearchNoResultsText(lang(lng_feed_channels_not_found));
 	delegate()->peerListSetSearchMode(PeerListSearchMode::Enabled);
 	delegate()->peerListSetTitle(langFactory(lng_info_feed_channels));
 
@@ -241,7 +241,7 @@ NotificationsController::NotificationsController(
 }
 
 void NotificationsController::prepare() {
-	setSearchNoResultsText(lang(lng_blocked_list_not_found));
+	setSearchNoResultsText(lang(lng_feed_channels_not_found));
 	delegate()->peerListSetSearchMode(PeerListSearchMode::Enabled);
 	delegate()->peerListSetTitle(langFactory(lng_feed_notifications));
 
@@ -377,9 +377,12 @@ EditController::EditController(
 }
 
 void EditController::prepare() {
-	setSearchNoResultsText(lang(lng_blocked_list_not_found));
+	setSearchNoResultsText(lang(lng_feed_channels_not_found));
 	delegate()->peerListSetSearchMode(PeerListSearchMode::Enabled);
-	delegate()->peerListSetTitle(langFactory(lng_feed_create_new));
+	delegate()->peerListSetTitle(langFactory(
+		(_feed->channels().size() < kChannelsInFeedMin
+			? lng_feed_create_new
+			: lng_feed_edit_title)));
 
 	loadMoreRows();
 }
@@ -429,6 +432,7 @@ void EditController::applyFeedSources(
 		setDescriptionText(lng_feed_too_few_channels(
 			lt_count,
 			kChannelsInFeedMin));
+		delegate()->peerListSetSearchMode(PeerListSearchMode::Disabled);
 	} else {
 		auto alreadyInFeed = ranges::view::all(
 			channels

Telegram/SourceFiles/info/feed/info_feed_cover.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_feed.h"
 #include "data/data_session.h"
 #include "info/info_controller.h"
+#include "info/info_memento.h"
 #include "lang/lang_keys.h"
 #include "ui/widgets/labels.h"
 #include "ui/special_buttons.h"
@@ -81,12 +82,12 @@ void Cover::refreshStatusText() {
 		}
 		return lng_feed_channels(lt_count, _feed->channels().size());
 	}();
-	_status->setRichText(statusText);
-	//_status->setLink(1, std::make_shared<LambdaClickHandler>([=] {
-	//	_controller->showSection(Info::Memento(
-	//		_feed,
-	//		Section::Type::Channels));
-	//})); // #TODO channels list
+	_status->setRichText(textcmdLink(1, statusText));
+	_status->setLink(1, std::make_shared<LambdaClickHandler>([=] {
+		_controller->showSection(Info::Memento(
+			_feed,
+			Section::Type::Channels));
+	}));
 	refreshStatusGeometry(width());
 }
 

Telegram/SourceFiles/info/info_content_widget.h

@@ -119,7 +119,7 @@ public:
 	: _peerId(peerId)
 	, _migratedPeerId(migratedPeerId) {
 	}
-	ContentMemento(not_null<Data::Feed*> feed)
+	explicit ContentMemento(not_null<Data::Feed*> feed)
 	: _feed(feed) {
 	}
 

Telegram/SourceFiles/info/info_controller.cpp

@@ -156,7 +156,9 @@ void Controller::updateSearchControllers(
 	auto hasCommonGroupsSearch
 		= (type == Type::CommonGroups);
 	auto hasMembersSearch
-		= (type == Type::Members || type == Type::Profile);
+		= (type == Type::Members
+			|| type == Type::Profile
+			|| type == Type::Channels);
 	auto searchQuery = memento->searchFieldQuery();
 	if (isMedia) {
 		_searchController

Telegram/SourceFiles/info/info_controller.h

@@ -42,6 +42,7 @@ public:
 		Media,
 		CommonGroups,
 		Members,
+		Channels,
 	};
 	using MediaType = Storage::SharedMediaType;
 

Telegram/SourceFiles/info/info_memento.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/profile/info_profile_widget.h"
 #include "info/media/info_media_widget.h"
 #include "info/members/info_members_widget.h"
+#include "info/channels/info_channels_widget.h"
 #include "info/common_groups/info_common_groups_widget.h"
 #include "info/feed/info_feed_profile_widget.h"
 #include "info/info_section_widget.h"
@@ -108,6 +109,8 @@ std::unique_ptr<ContentMemento> Memento::DefaultContent(
 	switch (section.type()) {
 	case Section::Type::Profile:
 		return std::make_unique<FeedProfile::Memento>(feed);
+	case Section::Type::Channels:
+		return std::make_unique<Channels::Memento>(feed);
 	}
 	Unexpected("Wrong feed section in Info::Memento::DefaultContent()");
 }

Telegram/SourceFiles/info/info_top_bar.cpp

@@ -584,6 +584,9 @@ rpl::producer<QString> TitleValue(
 		case Section::Type::Members:
 			return lng_profile_participants_section;
 
+		case Section::Type::Channels:
+			return lng_info_feed_channels;
+
 		}
 		Unexpected("Bad section type in Info::TitleValue()");
 	}());

Telegram/SourceFiles/info/members/info_members_widget.h

@@ -7,7 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/producer.h>
 #include "info/info_content_widget.h"
 
 struct PeerListState;

Telegram/gyp/telegram_sources.txt

@@ -286,6 +286,8 @@
 <(src_loc)/info/info_top_bar.h
 <(src_loc)/info/info_wrap_widget.cpp
 <(src_loc)/info/info_wrap_widget.h
+<(src_loc)/info/channels/info_channels_widget.cpp
+<(src_loc)/info/channels/info_channels_widget.h
 <(src_loc)/info/common_groups/info_common_groups_inner_widget.cpp
 <(src_loc)/info/common_groups/info_common_groups_inner_widget.h
 <(src_loc)/info/common_groups/info_common_groups_widget.cpp