123 lines
3.2 KiB
C++
123 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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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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#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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namespace Info::Stories {
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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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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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Memento::~Memento() = default;
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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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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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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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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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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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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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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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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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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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rpl::producer<SelectedItems> Widget::selectedListValue() const {
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return _inner->selectedListValue();
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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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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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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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} // namespace Info::Stories
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