tdesktop/Telegram/SourceFiles/info/downloads/info_downloads_widget.cpp

118 lines
2.9 KiB
C++

/*
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/downloads/info_downloads_widget.h"
#include "info/downloads/info_downloads_inner_widget.h"
#include "info/info_controller.h"
#include "info/info_memento.h"
#include "ui/search_field_controller.h"
#include "ui/widgets/scroll_area.h"
#include "data/data_download_manager.h"
#include "data/data_user.h"
#include "core/application.h"
#include "lang/lang_keys.h"
#include "styles/style_info.h"
namespace Info::Downloads {
Memento::Memento(not_null<Controller*> controller)
: ContentMemento(Tag{})
, _media(controller) {
}
Memento::Memento(not_null<UserData*> self)
: ContentMemento(Downloads::Tag{})
, _media(self, 0, Media::Type::File) {
}
Memento::~Memento() = default;
Section Memento::section() const {
return Section(Section::Type::Downloads);
}
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;
}
Widget::Widget(
QWidget *parent,
not_null<Controller*> controller)
: ContentWidget(parent, controller) {
_inner = setInnerWidget(object_ptr<InnerWidget>(
this,
controller));
_inner->setScrollHeightValue(scrollHeightValue());
_inner->scrollToRequests(
) | rpl::start_with_next([this](Ui::ScrollToRequest request) {
scrollTo(request);
}, _inner->lifetime());
}
bool Widget::showInternal(not_null<ContentMemento*> memento) {
if (!controller()->validateMementoPeer(memento)) {
return false;
}
if (auto downloadsMemento = dynamic_cast<Memento*>(memento.get())) {
restoreState(downloadsMemento);
return true;
}
return false;
}
void Widget::setInternalState(
const QRect &geometry,
not_null<Memento*> memento) {
setGeometry(geometry);
Ui::SendPendingMoveResizeEvents(this);
restoreState(memento);
}
std::shared_ptr<ContentMemento> Widget::doCreateMemento() {
auto result = std::make_shared<Memento>(controller());
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());
}
rpl::producer<SelectedItems> Widget::selectedListValue() const {
return _inner->selectedListValue();
}
void Widget::selectionAction(SelectionAction action) {
_inner->selectionAction(action);
}
rpl::producer<QString> Widget::title() {
return tr::lng_downloads_section();
}
std::shared_ptr<Info::Memento> Make(not_null<UserData*> self) {
return std::make_shared<Info::Memento>(
std::vector<std::shared_ptr<ContentMemento>>(
1,
std::make_shared<Memento>(self)));
}
} // namespace Info::Downloads