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Telegram/SourceFiles/info/polls/info_polls_results_widget.cpp

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+/*
+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"
+#include "boxes/peer_list_box.h"
+#include "lang/lang_keys.h"
+#include "data/data_poll.h"
+#include "ui/ui_utility.h"
+
+namespace Info::Polls {
+
+Memento::Memento(not_null<PollData*> poll, FullMsgId contextId)
+: ContentMemento(poll, contextId) {
+}
+
+Section Memento::section() const {
+	return Section(Section::Type::PollResults);
+}
+
+void Memento::setListStates(base::flat_map<
+		QByteArray,
+		std::unique_ptr<PeerListState>> states) {
+	_listStates = std::move(states);
+}
+
+auto Memento::listStates()
+-> base::flat_map<QByteArray, std::unique_ptr<PeerListState>> {
+	return std::move(_listStates);
+}
+
+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::on_next([=](not_null<PeerData*> peer) {
+		controller->showPeerInfo(peer);
+	}, _inner->lifetime());
+	_inner->scrollToRequests(
+	) | rpl::on_next([=](const Ui::ScrollToRequest &request) {
+		scrollTo(request);
+	}, _inner->lifetime());
+}
+
+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);
+}
+
+rpl::producer<QString> Widget::title() {
+	return poll()->quiz()
+		? tr::lng_polls_quiz_results_title()
+		: tr::lng_polls_poll_results_title();
+}
+
+std::shared_ptr<ContentMemento> Widget::doCreateMemento() {
+	auto result = std::make_shared<Memento>(poll(), contextId());
+	saveState(result.get());
+	return result;
+}
+
+void Widget::saveState(not_null<Memento*> memento) {
+	memento->setScrollTop(scrollTopSave());
+	_inner->saveState(memento);
+}
+
+void Widget::restoreState(not_null<Memento*> memento) {
+	_inner->restoreState(memento);
+	scrollTopRestore(memento->scrollTop());
+}
+
+} // namespace Info::Polls