tdesktop/Telegram/SourceFiles/info/media/info_media_inner_widget.h

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/*
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"
#include "info/media/info_media_widget.h"
#include "info/media/info_media_list_widget.h"
namespace Ui {
class SettingsSlider;
class VerticalLayout;
class SearchFieldController;
} // namespace Ui
namespace Info {
class Controller;
namespace Media {
class Memento;
class ListWidget;
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class EmptyWidget;
class InnerWidget final : public Ui::RpWidget {
public:
InnerWidget(
QWidget *parent,
not_null<Controller*> controller);
bool showInternal(not_null<Memento*> memento);
void setIsStackBottom(bool isStackBottom) {
_isStackBottom = isStackBottom;
setupOtherTypes();
}
void saveState(not_null<Memento*> memento);
void restoreState(not_null<Memento*> memento);
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void setScrollHeightValue(rpl::producer<int> value);
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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();
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// Allows showing additional shared media links and tabs.
// Used for shared media in Saved Messages.
void setupOtherTypes();
void createOtherTypes();
void createTypeButtons();
Type type() const;
object_ptr<ListWidget> setupList();
const not_null<Controller*> _controller;
object_ptr<Ui::VerticalLayout> _otherTypes = { nullptr };
object_ptr<ListWidget> _list = { nullptr };
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object_ptr<EmptyWidget> _empty;
bool _inResize = false;
bool _isStackBottom = false;
rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
rpl::event_stream<rpl::producer<SelectedItems>> _selectedLists;
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rpl::event_stream<rpl::producer<int>> _listTops;
};
} // namespace Media
} // namespace Info