122 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop application for the Telegram messaging service.
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| 
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| For license and copyright information please follow this link:
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| https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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| */
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| #include "info/stories/info_stories_widget.h"
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| 
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| #include "info/stories/info_stories_inner_widget.h"
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| #include "info/info_controller.h"
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| #include "info/info_memento.h"
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| #include "ui/widgets/scroll_area.h"
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| #include "lang/lang_keys.h"
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| 
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| namespace Info::Stories {
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| 
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| Memento::Memento(not_null<Controller*> controller)
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| : ContentMemento(Tag{ controller->storiesPeer(), controller->storiesTab() })
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| , _media(controller) {
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| }
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| 
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| Memento::Memento(not_null<PeerData*> peer, Tab tab)
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| : ContentMemento(Tag{ peer, tab })
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| , _media(peer, 0, Media::Type::PhotoVideo) {
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| }
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| 
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| Memento::~Memento() = default;
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| 
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| Section Memento::section() const {
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| 	return Section(Section::Type::Stories);
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| }
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| 
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| object_ptr<ContentWidget> Memento::createWidget(
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| 		QWidget *parent,
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| 		not_null<Controller*> controller,
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| 		const QRect &geometry) {
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| 	auto result = object_ptr<Widget>(parent, controller);
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| 	result->setInternalState(geometry, this);
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| 	return result;
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| }
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| 
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| Widget::Widget(
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| 	QWidget *parent,
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| 	not_null<Controller*> controller)
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| : ContentWidget(parent, controller) {
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| 	_inner = setInnerWidget(object_ptr<InnerWidget>(
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| 		this,
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| 		controller));
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| 	_inner->setScrollHeightValue(scrollHeightValue());
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| 	_inner->scrollToRequests(
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| 	) | rpl::start_with_next([this](Ui::ScrollToRequest request) {
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| 		scrollTo(request);
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| 	}, _inner->lifetime());
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| }
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| 
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| void Widget::setIsStackBottom(bool isStackBottom) {
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| 	ContentWidget::setIsStackBottom(isStackBottom);
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| 	_inner->setIsStackBottom(isStackBottom);
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| }
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| 
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| bool Widget::showInternal(not_null<ContentMemento*> memento) {
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| 	if (!controller()->validateMementoPeer(memento)) {
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| 		return false;
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| 	}
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| 	if (auto storiesMemento = dynamic_cast<Memento*>(memento.get())) {
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| 		const auto tab = controller()->key().storiesTab();
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| 		if (storiesMemento->storiesTab() == tab) {
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| 			restoreState(storiesMemento);
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| 			return true;
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| 		}
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| 	}
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| 	return false;
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| }
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| 
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| void Widget::setInternalState(
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| 		const QRect &geometry,
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| 		not_null<Memento*> memento) {
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| 		setGeometry(geometry);
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| 	Ui::SendPendingMoveResizeEvents(this);
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| 	restoreState(memento);
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| }
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| 
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| std::shared_ptr<ContentMemento> Widget::doCreateMemento() {
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| 	auto result = std::make_shared<Memento>(controller());
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| 	saveState(result.get());
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| 	return result;
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| }
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| 
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| void Widget::saveState(not_null<Memento*> memento) {
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| 	memento->setScrollTop(scrollTopSave());
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| 	_inner->saveState(memento);
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| }
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| 
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| void Widget::restoreState(not_null<Memento*> memento) {
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| 	_inner->restoreState(memento);
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| 	scrollTopRestore(memento->scrollTop());
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| }
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| 
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| rpl::producer<SelectedItems> Widget::selectedListValue() const {
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| 	return _inner->selectedListValue();
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| }
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| 
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| void Widget::selectionAction(SelectionAction action) {
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| 	_inner->selectionAction(action);
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| }
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| 
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| rpl::producer<QString> Widget::title() {
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| 	return (controller()->key().storiesTab() == Tab::Archive)
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| 		? tr::lng_stories_archive_title()
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| 		: tr::lng_stories_my_title();
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| }
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| 
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| std::shared_ptr<Info::Memento> Make(not_null<PeerData*> peer, Tab tab) {
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| 	return std::make_shared<Info::Memento>(
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| 		std::vector<std::shared_ptr<ContentMemento>>(
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| 			1,
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| 			std::make_shared<Memento>(peer, tab)));
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| }
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| 
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| } // namespace Info::Stories
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| 
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