86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "dialogs/dialogs_row.h"
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class PeerData;
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namespace Dialogs {
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enum class SortMode;
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class List final {
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public:
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List(SortMode sortMode);
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List(const List &other) = delete;
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List &operator=(const List &other) = delete;
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List(List &&other) = default;
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List &operator=(List &&other) = default;
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~List() = default;
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int size() const {
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return _rows.size();
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}
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bool empty() const {
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return _rows.empty();
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}
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bool contains(Key key) const {
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return _rowByKey.find(key) != _rowByKey.end();
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}
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Row *getRow(Key key) const {
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const auto i = _rowByKey.find(key);
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return (i != _rowByKey.end()) ? i->second.get() : nullptr;
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}
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Row *rowAtY(int y, int h) const {
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const auto i = cfind(y, h);
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if (i == cend() || (*i)->pos() != ((y > 0) ? (y / h) : 0)) {
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return nullptr;
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}
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return *i;
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}
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not_null<Row*> addToEnd(Key key);
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Row *adjustByName(Key key);
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not_null<Row*> addByName(Key key);
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bool moveToTop(Key key);
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void adjustByDate(not_null<Row*> row);
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bool del(Key key, Row *replacedBy = nullptr);
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using const_iterator = std::vector<not_null<Row*>>::const_iterator;
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using iterator = const_iterator;
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const_iterator cbegin() const { return _rows.cbegin(); }
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const_iterator cend() const { return _rows.cend(); }
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const_iterator begin() const { return cbegin(); }
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const_iterator end() const { return cend(); }
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iterator begin() { return cbegin(); }
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iterator end() { return cend(); }
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const_iterator cfind(Row *value) const;
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const_iterator find(Row *value) const { return cfind(value); }
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iterator find(Row *value) { return cfind(value); }
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const_iterator cfind(int y, int h) const {
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const auto index = std::max(y, 0) / h;
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return _rows.begin() + std::min(index, size());
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}
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const_iterator find(int y, int h) const { return cfind(y, h); }
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iterator find(int y, int h) { return cfind(y, h); }
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private:
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void adjustByName(not_null<Row*> row);
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void rotate(
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std::vector<not_null<Row*>>::iterator first,
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std::vector<not_null<Row*>>::iterator middle,
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std::vector<not_null<Row*>>::iterator last);
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SortMode _sortMode = SortMode();
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std::vector<not_null<Row*>> _rows;
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std::map<Key, std::unique_ptr<Row>> _rowByKey;
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};
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} // namespace Dialogs
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