tdesktop/Telegram/SourceFiles/info/feed/info_feed_channels.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 "boxes/peer_list_box.h"
namespace Ui {
class InputField;
class CrossButton;
class IconButton;
class FlatLabel;
struct ScrollToRequest;
class AbstractButton;
} // namespace Ui
namespace Info {
class Controller;
enum class Wrap;
namespace Profile {
class Button;
} // namespace Profile
namespace FeedProfile {
class Memento;
struct ChannelsState {
std::unique_ptr<PeerListState> list;
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std::optional<QString> search;
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};
class Channels
: public Ui::RpWidget
, private PeerListContentDelegate {
public:
Channels(
QWidget *parent,
not_null<Controller*> controller);
rpl::producer<Ui::ScrollToRequest> scrollToRequests() const;
std::unique_ptr<ChannelsState> saveState();
void restoreState(std::unique_ptr<ChannelsState> state);
int desiredHeight() const;
protected:
void visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) override;
int resizeGetHeight(int newWidth) override;
private:
using ListWidget = PeerListContent;
// PeerListContentDelegate interface.
void peerListSetTitle(Fn<QString()> title) override;
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void peerListSetAdditionalTitle(
Fn<QString()> title) override;
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bool peerListIsRowSelected(not_null<PeerData*> peer) override;
int peerListSelectedRowsCount() override;
std::vector<not_null<PeerData*>> peerListCollectSelectedRows() override;
void peerListScrollToTop() override;
void peerListAddSelectedRowInBunch(
not_null<PeerData*> peer) override;
void peerListFinishSelectedRowsBunch() override;
void peerListSetDescription(
object_ptr<Ui::FlatLabel> description) override;
void setupHeader();
object_ptr<Ui::FlatLabel> setupTitle();
void setupList();
void setupButtons();
void addChannel();
void showChannelsWithSearch(bool withSearch);
void updateHeaderControlsGeometry(int newWidth);
not_null<Controller*> _controller;
not_null<Data::Feed*> _feed;
std::unique_ptr<PeerListController> _listController;
object_ptr<Ui::RpWidget> _header = { nullptr };
object_ptr<ListWidget> _list = { nullptr };
Profile::Button *_openChannels = nullptr;
Ui::RpWidget *_titleWrap = nullptr;
Ui::FlatLabel *_title = nullptr;
Ui::IconButton *_addChannel = nullptr;
Ui::IconButton *_search = nullptr;
rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
};
} // namespace FeedProfile
} // namespace Info