Move poll results to a Info-like layer.

Telegram/CMakeLists.txt

@@ -188,8 +188,6 @@ PRIVATE
     boxes/passcode_box.h
     boxes/photo_crop_box.cpp
     boxes/photo_crop_box.h
-    boxes/poll_results_box.cpp
-    boxes/poll_results_box.h
     boxes/rate_call_box.cpp
     boxes/rate_call_box.h
     boxes/report_box.cpp
@@ -520,6 +518,10 @@ PRIVATE
     info/media/info_media_widget.h
     info/members/info_members_widget.cpp
     info/members/info_members_widget.h
+    info/polls/info_polls_results_inner_widget.cpp
+    info/polls/info_polls_results_inner_widget.h
+    info/polls/info_polls_results_widget.cpp
+    info/polls/info_polls_results_widget.h
     info/profile/info_profile_actions.cpp
     info/profile/info_profile_actions.h
     info/profile/info_profile_cover.cpp

Telegram/SourceFiles/boxes/poll_results_box.h

@@ -1,23 +0,0 @@
-/*
-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 "ui/layers/generic_box.h"
-
-class PollData;
-class HistoryItem;
-
-namespace Window {
-class SessionController;
-} // namespace Window
-
-void PollResultsBox(
-	not_null<Ui::GenericBox*> box,
-	not_null<Window::SessionController*> window,
-	not_null<PollData*> poll,
-	FullMsgId context);

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -34,7 +34,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/confirm_box.h"
 #include "boxes/report_box.h"
 #include "boxes/sticker_set_box.h"
-#include "boxes/poll_results_box.h"
 #include "chat_helpers/message_field.h"
 #include "chat_helpers/stickers.h"
 #include "history/history_widget.h"
@@ -2423,8 +2422,7 @@ void HistoryInner::elementStartStickerLoop(
 void HistoryInner::elementShowPollResults(
 		not_null<PollData*> poll,
 		FullMsgId context) {
-	_controller->window().show(
-		Box(PollResultsBox, _controller, poll, context));
+	_controller->showPollResults(poll, context);
 }
 
 auto HistoryInner::getSelectionState() const

Telegram/SourceFiles/history/view/media/history_view_poll.cpp

@@ -18,7 +18,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/effects/radial_animation.h"
 #include "ui/effects/ripple_animation.h"
-#include "boxes/poll_results_box.h"
 #include "data/data_media_types.h"
 #include "data/data_poll.h"
 #include "data/data_user.h"

Telegram/SourceFiles/info/info_content_widget.cpp

@@ -266,6 +266,8 @@ Key ContentMemento::key() const {
 		return Key(Auth().data().peer(peerId));
 	//} else if (const auto feed = this->feed()) { // #feed
 	//	return Key(feed);
+	} else if (const auto poll = this->poll()) {
+		return Key(poll, pollContextId());
 	} else {
 		return Settings::Tag{ settingsSelf() };
 	}

Telegram/SourceFiles/info/info_content_widget.h

@@ -123,6 +123,10 @@ public:
 	//explicit ContentMemento(not_null<Data::Feed*> feed) : _feed(feed) { // #feed
 	//}
 	explicit ContentMemento(Settings::Tag settings);
+	ContentMemento(not_null<PollData*> poll, FullMsgId contextId)
+	: _poll(poll)
+	, _pollContextId(contextId) {
+	}
 
 	virtual object_ptr<ContentWidget> createWidget(
 		QWidget *parent,
@@ -141,6 +145,12 @@ public:
 	UserData *settingsSelf() const {
 		return _settingsSelf;
 	}
+	PollData *poll() const {
+		return _poll;
+	}
+	FullMsgId pollContextId() const {
+		return _pollContextId;
+	}
 	Key key() const;
 
 	virtual Section section() const = 0;
@@ -177,6 +187,9 @@ private:
 	const PeerId _migratedPeerId = 0;
 	//Data::Feed * const _feed = nullptr; // #feed
 	UserData * const _settingsSelf = nullptr;
+	PollData * const _poll = nullptr;
+	const FullMsgId _pollContextId;
+
 	int _scrollTop = 0;
 	QString _searchFieldQuery;
 	bool _searchEnabledByContent = false;

Telegram/SourceFiles/info/info_controller.cpp

@@ -19,6 +19,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_session.h"
+#include "data/data_media_types.h"
+#include "history/history_item.h"
 #include "main/main_session.h"
 #include "window/window_session_controller.h"
 
@@ -46,6 +48,10 @@ Key::Key(not_null<PeerData*> peer) : _value(peer) {
 Key::Key(Settings::Tag settings) : _value(settings) {
 }
 
+Key::Key(not_null<PollData*> poll, FullMsgId contextId)
+: _value(PollKey{ poll, contextId }) {
+}
+
 PeerData *Key::peer() const {
 	if (const auto peer = base::get_if<not_null<PeerData*>>(&_value)) {
 		return *peer;
@@ -67,6 +73,20 @@ UserData *Key::settingsSelf() const {
 	return nullptr;
 }
 
+PollData *Key::poll() const {
+	if (const auto data = base::get_if<PollKey>(&_value)) {
+		return data->poll;
+	}
+	return nullptr;
+}
+
+FullMsgId Key::pollContextId() const {
+	if (const auto data = base::get_if<PollKey>(&_value)) {
+		return data->contextId;
+	}
+	return FullMsgId();
+}
+
 rpl::producer<SparseIdsMergedSlice> AbstractController::mediaSource(
 		SparseIdsMergedSlice::UniversalMsgId aroundId,
 		int limitBefore,
@@ -106,6 +126,15 @@ PeerId AbstractController::migratedPeerId() const {
 	return PeerId(0);
 }
 
+PollData *AbstractController::poll() const {
+	if (const auto item = session().data().message(pollContextId())) {
+		if (const auto media = item->media()) {
+			return media->poll();
+		}
+	}
+	return nullptr;
+}
+
 void AbstractController::showSection(
 		Window::SectionMemento &&memento,
 		const Window::SectionShow &params) {

Telegram/SourceFiles/info/info_controller.h

@@ -33,16 +33,24 @@ public:
 	Key(not_null<PeerData*> peer);
 	//Key(not_null<Data::Feed*> feed); // #feed
 	Key(Settings::Tag settings);
+	Key(not_null<PollData*> poll, FullMsgId contextId);
 
 	PeerData *peer() const;
 	//Data::Feed *feed() const; // #feed
 	UserData *settingsSelf() const;
+	PollData *poll() const;
+	FullMsgId pollContextId() const;
 
 private:
+	struct PollKey {
+		not_null<PollData*> poll;
+		FullMsgId contextId;
+	};
 	base::variant<
 		not_null<PeerData*>,
 		//not_null<Data::Feed*>, // #feed
-		Settings::Tag> _value;
+		Settings::Tag,
+		PollKey> _value;
 
 };
 
@@ -60,6 +68,7 @@ public:
 		Members,
 		//Channels, // #feed
 		Settings,
+		PollResults,
 	};
 	using SettingsType = ::Settings::Type;
 	using MediaType = Storage::SharedMediaType;
@@ -113,6 +122,10 @@ public:
 	UserData *settingsSelf() const {
 		return key().settingsSelf();
 	}
+	PollData *poll() const;
+	FullMsgId pollContextId() const {
+		return key().pollContextId();
+	}
 
 	virtual void setSearchEnabledByContent(bool enabled) {
 	}

Telegram/SourceFiles/info/info_memento.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/common_groups/info_common_groups_widget.h"
 //#include "info/feed/info_feed_profile_widget.h" // #feed
 #include "info/settings/info_settings_widget.h"
+#include "info/polls/info_polls_results_widget.h"
 #include "info/info_section_widget.h"
 #include "info/info_layer_widget.h"
 #include "info/info_controller.h"
@@ -42,6 +43,10 @@ Memento::Memento(Settings::Tag settings, Section section)
 : Memento(DefaultStack(settings, section)) {
 }
 
+Memento::Memento(not_null<PollData*> poll, FullMsgId contextId)
+: Memento(DefaultStack(poll, contextId)) {
+}
+
 Memento::Memento(std::vector<std::unique_ptr<ContentMemento>> stack)
 : _stack(std::move(stack)) {
 }
@@ -72,6 +77,14 @@ std::vector<std::unique_ptr<ContentMemento>> Memento::DefaultStack(
 	return result;
 }
 
+std::vector<std::unique_ptr<ContentMemento>> Memento::DefaultStack(
+		not_null<PollData*> poll,
+		FullMsgId contextId) {
+	auto result = std::vector<std::unique_ptr<ContentMemento>>();
+	result.push_back(std::make_unique<Polls::Memento>(poll, contextId));
+	return result;
+}
+
 Section Memento::DefaultSection(not_null<PeerData*> peer) {
 	if (peer->isSelf()) {
 		return Section(Section::MediaType::Photo);

Telegram/SourceFiles/info/info_memento.h

@@ -36,6 +36,7 @@ public:
 	Memento(PeerId peerId, Section section);
 	//Memento(not_null<Data::Feed*> feed, Section section); // #feed
 	Memento(Settings::Tag settings, Section section);
+	Memento(not_null<PollData*> poll, FullMsgId contextId);
 	explicit Memento(std::vector<std::unique_ptr<ContentMemento>> stack);
 
 	object_ptr<Window::SectionWidget> createWidget(
@@ -76,10 +77,13 @@ private:
 	static std::vector<std::unique_ptr<ContentMemento>> DefaultStack(
 		Settings::Tag settings,
 		Section section);
+	static std::vector<std::unique_ptr<ContentMemento>> DefaultStack(
+		not_null<PollData*> poll,
+		FullMsgId contextId);
+
 	//static std::unique_ptr<ContentMemento> DefaultContent( // #feed
 	//	not_null<Data::Feed*> feed,
 	//	Section section);
-
 	static std::unique_ptr<ContentMemento> DefaultContent(
 		PeerId peerId,
 		Section section);

Telegram/SourceFiles/info/info_top_bar.cpp

@@ -628,6 +628,11 @@ rpl::producer<QString> TitleValue(
 			return tr::lng_settings_section_call_settings();
 		}
 		Unexpected("Bad settings type in Info::TitleValue()");
+
+	case Section::Type::PollResults:
+		return key.poll()->quiz()
+			? tr::lng_polls_quiz_results_title()
+			: tr::lng_polls_poll_results_title();
 	}
 	Unexpected("Bad section type in Info::TitleValue()");
 }

Telegram/SourceFiles/info/polls/info_polls_results_inner_widget.cpp

@@ -5,8 +5,9 @@ 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 "boxes/poll_results_box.h"
+#include "info/polls/info_polls_results_inner_widget.h"
 
+#include "info/info_controller.h"
 #include "lang/lang_keys.h"
 #include "data/data_poll.h"
 #include "data/data_peer.h"
@@ -14,11 +15,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/buttons.h"
+#include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/wrap/slide_wrap.h"
 #include "ui/text/text_utilities.h"
 #include "boxes/peer_list_box.h"
-#include "window/window_session_controller.h"
 #include "main/main_session.h"
 #include "history/history.h"
 #include "history/history_item.h"
@@ -27,12 +28,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "styles/style_boxes.h"
 #include "styles/style_info.h"
 
+namespace Info {
+namespace Polls {
 namespace {
 
 constexpr auto kFirstPage = 10;
 constexpr auto kPerPage = 100;
 
-class Delegate final : public PeerListContentDelegate {
+class ListDelegate final : public PeerListContentDelegate {
 public:
 	void peerListSetTitle(rpl::producer<QString> title) override;
 	void peerListSetAdditionalTitle(rpl::producer<QString> title) override;
@@ -48,10 +51,10 @@ public:
 
 };
 
-class Controller final : public PeerListController {
+class ListController final : public PeerListController {
 public:
-	Controller(
-		not_null<Window::SessionController*> window,
+	ListController(
+		not_null<Main::Session*> session,
 		not_null<PollData*> poll,
 		FullMsgId context,
 		QByteArray option);
@@ -63,11 +66,13 @@ public:
 
 	void allowLoadAll();
 
+	rpl::producer<not_null<PeerData*>> showPeerInfoRequests() const;
+
 private:
 	bool appendRow(not_null<UserData*> user);
 	std::unique_ptr<PeerListRow> createRow(not_null<UserData*> user) const;
 
-	const not_null<Window::SessionController*> _window;
+	const not_null<Main::Session*> _session;
 	const not_null<PollData*> _poll;
 	const FullMsgId _context;
 	const QByteArray _option;
@@ -80,62 +85,65 @@ private:
 	bool _allLoaded = false;
 	bool _loadingAll = false;
 
+	rpl::event_stream<not_null<PeerData*>> _showPeerInfoRequests;
+
 };
 
-void Delegate::peerListSetTitle(rpl::producer<QString> title) {
+void ListDelegate::peerListSetTitle(rpl::producer<QString> title) {
 }
 
-void Delegate::peerListSetAdditionalTitle(rpl::producer<QString> title) {
+void ListDelegate::peerListSetAdditionalTitle(rpl::producer<QString> title) {
 }
 
-bool Delegate::peerListIsRowSelected(not_null<PeerData*> peer) {
+bool ListDelegate::peerListIsRowSelected(not_null<PeerData*> peer) {
 	return false;
 }
 
-int Delegate::peerListSelectedRowsCount() {
+int ListDelegate::peerListSelectedRowsCount() {
 	return 0;
 }
 
-std::vector<not_null<PeerData*>> Delegate::peerListCollectSelectedRows() {
+auto ListDelegate::peerListCollectSelectedRows()
+-> std::vector<not_null<PeerData*>> {
 	return {};
 }
 
-void Delegate::peerListScrollToTop() {
+void ListDelegate::peerListScrollToTop() {
 }
 
-void Delegate::peerListAddSelectedRowInBunch(not_null<PeerData*> peer) {
+void ListDelegate::peerListAddSelectedRowInBunch(not_null<PeerData*> peer) {
 	Unexpected("Item selection in Info::Profile::Members.");
 }
 
-void Delegate::peerListFinishSelectedRowsBunch() {
+void ListDelegate::peerListFinishSelectedRowsBunch() {
 }
 
-void Delegate::peerListSetDescription(
+void ListDelegate::peerListSetDescription(
 		object_ptr<Ui::FlatLabel> description) {
 	description.destroy();
 }
 
-Controller::Controller(
-	not_null<Window::SessionController*> window,
+ListController::ListController(
+	not_null<Main::Session*> session,
 	not_null<PollData*> poll,
 	FullMsgId context,
 	QByteArray option)
-: _window(window)
+: _session(session)
 , _poll(poll)
 , _context(context)
 , _option(option)
-, _api(_window->session().api().instance()) {
+, _api(_session->api().instance()) {
 }
 
-Main::Session &Controller::session() const {
-	return _window->session();
+Main::Session &ListController::session() const {
+	return *_session;
 }
 
-void Controller::prepare() {
+void ListController::prepare() {
 	delegate()->peerListRefreshRows();
 }
 
-void Controller::loadMoreRows() {
+void ListController::loadMoreRows() {
 	if (_loadRequestId
 		|| _allLoaded
 		|| (!_loadingAll && !_offset.isEmpty())) {
@@ -180,16 +188,21 @@ void Controller::loadMoreRows() {
 	}).send();
 }
 
-void Controller::allowLoadAll() {
+void ListController::allowLoadAll() {
 	_loadingAll = true;
 	loadMoreRows();
 }
 
-void Controller::rowClicked(not_null<PeerListRow*> row) {
-	_window->showPeerHistory(row->peer(), Window::SectionShow::Way::Forward);
+auto ListController::showPeerInfoRequests() const
+-> rpl::producer<not_null<PeerData*>> {
+	return _showPeerInfoRequests.events();
 }
 
-bool Controller::appendRow(not_null<UserData*> user) {
+void ListController::rowClicked(not_null<PeerListRow*> row) {
+	_showPeerInfoRequests.fire(row->peer());
+}
+
+bool ListController::appendRow(not_null<UserData*> user) {
 	if (delegate()->peerListFindRow(user->id)) {
 		return false;
 	}
@@ -197,21 +210,21 @@ bool Controller::appendRow(not_null<UserData*> user) {
 	return true;
 }
 
-std::unique_ptr<PeerListRow> Controller::createRow(
+std::unique_ptr<PeerListRow> ListController::createRow(
 		not_null<UserData*> user) const {
 	auto row = std::make_unique<PeerListRow>(user);
 	row->setCustomStatus(QString());
 	return row;
 }
 
-void CreateAnswerRows(
-		not_null<Ui::GenericBox*> box,
-		not_null<Window::SessionController*> window,
+ListController *CreateAnswerRows(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<Main::Session*> session,
 		not_null<PollData*> poll,
 		FullMsgId context,
 		const PollAnswer &answer) {
 	if (!answer.votes) {
-		return;
+		return nullptr;
 	}
 
 	const auto percent = answer.votes * 100 / poll->totalVoters;
@@ -224,12 +237,12 @@ void CreateAnswerRows(
 	const auto &font = st::boxDividerLabel.style.font;
 	const auto rightWidth = font->width(rightText);
 	const auto rightSkip = rightWidth + font->spacew * 4;
-	const auto header = box->addRow(
+	const auto header = container->add(
 		object_ptr<Ui::DividerLabel>(
-			box,
+			container,
 			object_ptr<Ui::FlatLabel>(
-				box,
-				(answer.text.repeated(20)
+				container,
+				(answer.text
 					+ QString::fromUtf8(" \xe2\x80\x94 ")
 					+ QString::number(percent)
 					+ "%"),
@@ -238,8 +251,7 @@ void CreateAnswerRows(
 				st::pollResultsHeaderPadding.left(),
 				st::pollResultsHeaderPadding.top(),
 				st::pollResultsHeaderPadding.right() + rightSkip,
-				st::pollResultsHeaderPadding.bottom())),
-		style::margins());
+				st::pollResultsHeaderPadding.bottom())));
 	const auto votes = Ui::CreateChild<Ui::FlatLabel>(
 		header,
 		rightText,
@@ -251,72 +263,128 @@ void CreateAnswerRows(
 			st::pollResultsHeaderPadding.top(),
 			width);
 	}, votes->lifetime());
-	box->addRow(object_ptr<Ui::FixedHeightWidget>(box, st::boxLittleSkip));
+	container->add(object_ptr<Ui::FixedHeightWidget>(
+		container,
+		st::boxLittleSkip));
 
-	const auto delegate = box->lifetime().make_state<Delegate>();
-	const auto controller = box->lifetime().make_state<Controller>(
-		window,
+	const auto delegate = container->lifetime().make_state<ListDelegate>();
+	const auto controller = container->lifetime().make_state<ListController>(
+		session,
 		poll,
 		context,
 		answer.option);
-	const auto content = box->addRow(
-		object_ptr<PeerListContent>(
-			box,
-			controller,
-			st::infoCommonGroupsList),
-		style::margins());
+	const auto content = container->add(object_ptr<PeerListContent>(
+		container,
+		controller,
+		st::infoCommonGroupsList));
 	delegate->setContent(content);
 	controller->setDelegate(delegate);
 
-	const auto more = box->addRow(
+	const auto more = container->add(
 		object_ptr<Ui::SlideWrap<Ui::SettingsButton>>(
-			box,
+			container,
 			object_ptr<Ui::SettingsButton>(
-				box,
+				container,
 				tr::lng_polls_show_more(
 					lt_count_decimal,
 					rpl::single(answer.votes + 0.),
 					Ui::Text::Upper),
-				st::pollResultsShowMore)),
-		style::margins());
+				st::pollResultsShowMore)));
 	more->toggle(answer.votes > kFirstPage, anim::type::instant);
 	more->entity()->setClickedCallback([=] {
 		controller->allowLoadAll();
 		more->hide(anim::type::instant);
 	});
 
-	box->addRow(object_ptr<Ui::FixedHeightWidget>(box, st::boxLittleSkip));
+	container->add(object_ptr<Ui::FixedHeightWidget>(
+		container,
+		st::boxLittleSkip));
+
+	return controller;
 }
 
 } // namespace
 
-void PollResultsBox(
-		not_null<Ui::GenericBox*> box,
-		not_null<Window::SessionController*> window,
-		not_null<PollData*> poll,
-		FullMsgId context) {
-	const auto quiz = poll->quiz();
-	box->setWidth(st::boxWideWidth);
-	box->setTitle(quiz
-		? tr::lng_polls_quiz_results_title()
-		: tr::lng_polls_poll_results_title());
-	box->setAdditionalTitle((quiz
-		? tr::lng_polls_answers_count
-		: tr::lng_polls_votes_count)(
-			lt_count_decimal,
-			rpl::single(poll->totalVoters * 1.)));
-	box->addRow(
+InnerWidget::InnerWidget(
+	QWidget *parent,
+	not_null<Controller*> controller,
+	not_null<PollData*> poll,
+	FullMsgId contextId)
+: RpWidget(parent)
+, _controller(controller)
+, _poll(poll)
+, _contextId(contextId)
+, _content(setupContent(this)) {
+}
+
+void InnerWidget::visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) {
+	setChildVisibleTopBottom(_content, visibleTop, visibleBottom);
+}
+
+void InnerWidget::saveState(not_null<Memento*> memento) {
+	//memento->setListState(_listController->saveState());
+}
+
+void InnerWidget::restoreState(not_null<Memento*> memento) {
+	//_listController->restoreState(memento->listState());
+}
+
+int InnerWidget::desiredHeight() const {
+	auto desired = 0;
+	//auto count = qMax(_user->commonChatsCount(), 1);
+	//desired += qMax(count, _list->fullRowsCount())
+	//	* st::infoCommonGroupsList.item.height;
+	return qMax(height(), desired);
+}
+
+object_ptr<Ui::VerticalLayout> InnerWidget::setupContent(
+		RpWidget *parent) {
+	auto result = object_ptr<Ui::VerticalLayout>(parent);
+
+	const auto quiz = _poll->quiz();
+	result->add(
 		object_ptr<Ui::FlatLabel>(
-			box,
-			poll->question,
+			result,
+			_poll->question,
 			st::pollResultsQuestion),
 		style::margins{
 			st::boxRowPadding.left(),
 			0,
 			st::boxRowPadding.right(),
 			st::boxMediumSkip });
-	for (const auto &answer : poll->answers) {
-		CreateAnswerRows(box, window, poll, context, answer);
+	for (const auto &answer : _poll->answers) {
+		const auto session = &_controller->parentController()->session();
+		const auto controller = CreateAnswerRows(
+			result,
+			session,
+			_poll,
+			_contextId,
+			answer);
+		if (controller) {
+			controller->showPeerInfoRequests(
+			) | rpl::start_to_stream(
+				_showPeerInfoRequests,
+				lifetime());
+		}
 	}
-	box->addButton(tr::lng_close(), [=] { box->closeBox(); });
+	parent->widthValue(
+	) | rpl::start_with_next([content = result.data()](int newWidth) {
+		content->resizeToWidth(newWidth);
+	}, result->lifetime());
+	result->heightValue(
+	) | rpl::start_with_next([=](int height) {
+		parent->resize(parent->width(), height);
+	}, result->lifetime());
+	return result;
 }
+
+auto InnerWidget::showPeerInfoRequests() const
+-> rpl::producer<not_null<PeerData*>> {
+	return _showPeerInfoRequests.events();
+}
+
+} // namespace Polls
+} // namespace Info
+

Telegram/SourceFiles/info/polls/info_polls_results_inner_widget.h

@@ -0,0 +1,65 @@
+/*
+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 "ui/rp_widget.h"
+#include "base/object_ptr.h"
+
+namespace Ui {
+class VerticalLayout;
+} // namespace Ui
+
+namespace Info {
+
+class Controller;
+
+namespace Polls {
+
+class Memento;
+
+class InnerWidget final : public Ui::RpWidget {
+public:
+	InnerWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		not_null<PollData*> poll,
+		FullMsgId contextId);
+
+	[[nodiscard]] not_null<PollData*> poll() const {
+		return _poll;
+	}
+	[[nodiscard]] FullMsgId contextId() const {
+		return _contextId;
+	}
+
+	[[nodiscard]] auto showPeerInfoRequests() const
+		-> rpl::producer<not_null<PeerData*>>;
+
+	[[nodiscard]] int desiredHeight() const;
+
+	void saveState(not_null<Memento*> memento);
+	void restoreState(not_null<Memento*> memento);
+
+protected:
+	void visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) override;
+
+private:
+	object_ptr<Ui::VerticalLayout> setupContent(RpWidget *parent);
+
+	not_null<Controller*> _controller;
+	not_null<PollData*> _poll;
+	FullMsgId _contextId;
+	object_ptr<Ui::VerticalLayout> _content;
+	rpl::event_stream<not_null<PeerData*>> _showPeerInfoRequests;
+
+};
+
+} // namespace Polls
+} // namespace Info

Telegram/SourceFiles/info/polls/info_polls_results_widget.cpp

@@ -0,0 +1,93 @@
+/*
+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/polls/info_polls_results_widget.h"
+
+#include "info/polls/info_polls_results_inner_widget.h"
+
+namespace Info {
+namespace Polls {
+
+Memento::Memento(not_null<PollData*> poll, FullMsgId contextId)
+: ContentMemento(poll, contextId) {
+}
+
+Section Memento::section() const {
+	return Section(Section::Type::PollResults);
+}
+
+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 result;
+}
+
+Memento::~Memento() = default;
+
+Widget::Widget(QWidget *parent, not_null<Controller*> controller)
+: ContentWidget(parent, controller)
+, _inner(setInnerWidget(
+	object_ptr<InnerWidget>(
+		this,
+		controller,
+		controller->poll(),
+		controller->pollContextId()))) {
+	_inner->showPeerInfoRequests(
+	) | rpl::start_with_next([=](not_null<PeerData*> peer) {
+		controller->showPeerInfo(peer);
+	}, _inner->lifetime());
+
+	controller->setCanSaveChanges(rpl::single(false));
+}
+
+not_null<PollData*> Widget::poll() const {
+	return _inner->poll();
+}
+
+FullMsgId Widget::contextId() const {
+	return _inner->contextId();
+}
+
+bool Widget::showInternal(not_null<ContentMemento*> memento) {
+	//if (const auto myMemento = dynamic_cast<Memento*>(memento.get())) {
+	//	Assert(myMemento->self() == self());
+
+	//	if (_inner->showInternal(myMemento)) {
+	//		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>(poll(), contextId());
+	saveState(result.get());
+	return result;
+}
+
+void Widget::saveState(not_null<Memento*> memento) {
+	memento->setScrollTop(scrollTopSave());
+}
+
+void Widget::restoreState(not_null<Memento*> memento) {
+	const auto scrollTop = memento->scrollTop();
+	scrollTopRestore(memento->scrollTop());
+}
+
+} // namespace Polls
+} // namespace Info

Telegram/SourceFiles/info/polls/info_polls_results_widget.h

@@ -0,0 +1,58 @@
+/*
+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"
+#include "info/info_controller.h"
+
+namespace Info {
+namespace Polls {
+
+class InnerWidget;
+
+class Memento final : public ContentMemento {
+public:
+	Memento(not_null<PollData*> poll, FullMsgId contextId);
+
+	object_ptr<ContentWidget> createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) override;
+
+	Section section() const override;
+
+	~Memento();
+
+};
+
+class Widget final : public ContentWidget {
+public:
+	Widget(QWidget *parent, not_null<Controller*> controller);
+
+	[[nodiscard]] not_null<PollData*> poll() const;
+	[[nodiscard]] FullMsgId contextId() const;
+
+	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;
+
+	not_null<InnerWidget*> _inner;
+
+};
+
+} // namespace Settings
+} // namespace Info

Telegram/SourceFiles/info/settings/info_settings_widget.h

@@ -20,7 +20,6 @@ namespace Settings {
 using Type = Section::SettingsType;
 
 struct Tag;
-class InnerWidget;
 
 class Memento final : public ContentMemento {
 public:

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -100,6 +100,13 @@ void SessionNavigation::showSettings(const SectionShow &params) {
 	showSettings(Settings::Type::Main, params);
 }
 
+void SessionNavigation::showPollResults(
+		not_null<PollData*> poll,
+		FullMsgId contextId,
+		const SectionShow &params) {
+	showSection(Info::Memento(poll, contextId), params);
+}
+
 SessionController::SessionController(
 	not_null<Main::Session*> session,
 	not_null<Controller*> window)

Telegram/SourceFiles/window/window_session_controller.h

@@ -148,6 +148,11 @@ public:
 		const SectionShow &params = SectionShow());
 	void showSettings(const SectionShow &params = SectionShow());
 
+	void showPollResults(
+		not_null<PollData*> poll,
+		FullMsgId contextId,
+		const SectionShow &params = SectionShow());
+
 	virtual ~SessionNavigation() = default;
 
 private: