tdesktop/Telegram/SourceFiles/dialogs/dialogs_indexed_list.h

102 lines
3.0 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 "dialogs/dialogs_entry.h"
#include "dialogs/dialogs_list.h"
class History;
namespace Dialogs {
class IndexedList {
public:
IndexedList(SortMode sortMode, FilterId filterId = 0);
RowsByLetter addToEnd(Key key);
Row *addByName(Key key);
void adjustByDate(const RowsByLetter &links);
void moveToTop(Key key);
bool updateHeight(Key key, float64 narrowRatio);
bool updateHeights(float64 narrowRatio);
// row must belong to this indexed list all().
void movePinned(Row *row, int deltaSign);
// For sortMode != SortMode::Date && != Complex
void peerNameChanged(
not_null<PeerData*> peer,
const base::flat_set<QChar> &oldChars);
//For sortMode == SortMode::Date || == Complex
void peerNameChanged(
FilterId filterId,
not_null<PeerData*> peer,
const base::flat_set<QChar> &oldChars);
void remove(Key key, Row *replacedBy = nullptr);
void clear();
[[nodiscard]] const List &all() const {
return _list;
}
[[nodiscard]] const List *filtered(QChar ch) const {
const auto i = _index.find(ch);
return (i != _index.end()) ? &i->second : nullptr;
}
[[nodiscard]] std::vector<not_null<Row*>> filtered(
const QStringList &words) const;
// Part of List interface is duplicated here for all() list.
[[nodiscard]] int size() const { return all().size(); }
[[nodiscard]] bool empty() const { return all().empty(); }
[[nodiscard]] int height() const { return all().height(); }
[[nodiscard]] bool contains(Key key) const {
return all().contains(key);
}
[[nodiscard]] Row *getRow(Key key) const { return all().getRow(key); }
[[nodiscard]] Row *rowAtY(int y) const { return all().rowAtY(y); }
using iterator = List::iterator;
using const_iterator = List::const_iterator;
[[nodiscard]] const_iterator cbegin() const { return all().cbegin(); }
[[nodiscard]] const_iterator cend() const { return all().cend(); }
[[nodiscard]] const_iterator begin() const { return all().cbegin(); }
[[nodiscard]] const_iterator end() const { return all().cend(); }
[[nodiscard]] iterator begin() { return all().begin(); }
[[nodiscard]] iterator end() { return all().end(); }
[[nodiscard]] const_iterator cfind(Row *value) const {
return all().cfind(value);
}
[[nodiscard]] const_iterator find(Row *value) const {
return all().cfind(value);
}
[[nodiscard]] iterator find(Row *value) { return all().find(value); }
[[nodiscard]] const_iterator findByY(int y) const {
return all().findByY(y);
}
[[nodiscard]] iterator findByY(int y) { return all().findByY(y); }
private:
void adjustByName(
Key key,
const base::flat_set<QChar> &oldChars);
void adjustNames(
FilterId filterId,
not_null<History*> history,
const base::flat_set<QChar> &oldChars);
SortMode _sortMode = SortMode();
FilterId _filterId = 0;
List _list, _empty;
base::flat_map<QChar, List> _index;
};
} // namespace Dialogs