98 lines
2.3 KiB
C++
98 lines
2.3 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/channels/info_channels_widget.h"
|
|
|
|
#include "info/feed/info_feed_channels.h"
|
|
#include "info/info_controller.h"
|
|
#include "ui/widgets/scroll_area.h"
|
|
#include "styles/style_info.h"
|
|
|
|
namespace Info {
|
|
namespace Channels {
|
|
|
|
Memento::Memento(not_null<Controller*> controller)
|
|
: Memento(controller->feed()) {
|
|
}
|
|
|
|
Memento::Memento(not_null<Data::Feed*> feed)
|
|
: ContentMemento(feed) {
|
|
}
|
|
|
|
Section Memento::section() const {
|
|
return Section(Section::Type::Channels);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void Memento::setState(std::unique_ptr<SavedState> state) {
|
|
_state = std::move(state);
|
|
}
|
|
|
|
std::unique_ptr<SavedState> Memento::state() {
|
|
return std::move(_state);
|
|
}
|
|
|
|
Memento::~Memento() = default;
|
|
|
|
Widget::Widget(
|
|
QWidget *parent,
|
|
not_null<Controller*> controller)
|
|
: ContentWidget(parent, controller) {
|
|
_inner = setInnerWidget(object_ptr<FeedProfile::Channels>(
|
|
this,
|
|
controller));
|
|
}
|
|
|
|
bool Widget::showInternal(not_null<ContentMemento*> memento) {
|
|
if (!controller()->validateMementoPeer(memento)) {
|
|
return false;
|
|
}
|
|
if (auto membersMemento = dynamic_cast<Memento*>(memento.get())) {
|
|
restoreState(membersMemento);
|
|
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>(controller());
|
|
saveState(result.get());
|
|
return result;
|
|
}
|
|
|
|
void Widget::saveState(not_null<Memento*> memento) {
|
|
memento->setScrollTop(scrollTopSave());
|
|
memento->setState(_inner->saveState());
|
|
}
|
|
|
|
void Widget::restoreState(not_null<Memento*> memento) {
|
|
_inner->restoreState(memento->state());
|
|
auto scrollTop = memento->scrollTop();
|
|
scrollTopRestore(memento->scrollTop());
|
|
}
|
|
|
|
} // namespace Channels
|
|
} // namespace Info
|