tdesktop/Telegram/SourceFiles/info/downloads/info_downloads_inner_widget.h

81 lines
1.7 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
*/
#pragma once
#include "ui/rp_widget.h"
#include "ui/widgets/scroll_area.h"
#include "base/unique_qptr.h"
namespace Ui {
class SettingsSlider;
class VerticalLayout;
class SearchFieldController;
} // namespace Ui
namespace Info {
class Controller;
struct SelectedItems;
enum class SelectionAction;
namespace Media {
class ListWidget;
} // namespace Media
namespace Downloads {
class Memento;
class EmptyWidget;
class InnerWidget final : public Ui::RpWidget {
public:
InnerWidget(
QWidget *parent,
not_null<Controller*> controller);
bool showInternal(not_null<Memento*> memento);
void saveState(not_null<Memento*> memento);
void restoreState(not_null<Memento*> memento);
void setScrollHeightValue(rpl::producer<int> value);
rpl::producer<Ui::ScrollToRequest> scrollToRequests() const;
rpl::producer<SelectedItems> selectedListValue() const;
void selectionAction(SelectionAction action);
~InnerWidget();
protected:
int resizeGetHeight(int newWidth) override;
void visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) override;
private:
int recountHeight();
void refreshHeight();
object_ptr<Media::ListWidget> setupList();
const not_null<Controller*> _controller;
object_ptr<Media::ListWidget> _list = { nullptr };
object_ptr<EmptyWidget> _empty;
bool _inResize = false;
rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
rpl::event_stream<rpl::producer<SelectedItems>> _selectedLists;
rpl::event_stream<rpl::producer<int>> _listTops;
};
} // namespace Downloads
} // namespace Info