119 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
	
		
			2.5 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 "base/value_ordering.h"
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class History;
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namespace Data {
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class Folder;
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} // namespace Data
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namespace Dialogs {
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class Entry;
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class Key {
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public:
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	Key() = default;
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	Key(History *history) : _value(history) {
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	}
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	Key(not_null<History*> history) : _value(history) {
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	}
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	Key(Data::Folder *folder) : _value(folder) {
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	}
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	Key(not_null<Data::Folder*> folder) : _value(folder) {
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	}
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	explicit operator bool() const {
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		return !!_value;
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	}
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	not_null<Entry*> entry() const;
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	History *history() const;
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	Data::Folder *folder() const;
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	PeerData *peer() const;
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	inline bool operator<(const Key &other) const {
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		return _value < other._value;
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	}
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	inline bool operator>(const Key &other) const {
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		return (other < *this);
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	}
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	inline bool operator<=(const Key &other) const {
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		return !(other < *this);
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	}
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	inline bool operator>=(const Key &other) const {
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		return !(*this < other);
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	}
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	inline bool operator==(const Key &other) const {
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		return _value == other._value;
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	}
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	inline bool operator!=(const Key &other) const {
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		return !(*this == other);
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	}
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	base::optional_variant<
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		not_null<History*>,
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		not_null<Data::Folder*>> raw() const {
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		return _value;
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	}
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	// Not working :(
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	//friend inline auto value_ordering_helper(const Key &key) {
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	//	return key.value;
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	//}
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private:
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	base::optional_variant<
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		not_null<History*>,
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		not_null<Data::Folder*>> _value;
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};
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struct RowDescriptor {
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	RowDescriptor() = default;
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	RowDescriptor(Key key, FullMsgId fullId) : key(key), fullId(fullId) {
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	}
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	Key key;
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	FullMsgId fullId;
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};
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inline bool operator==(const RowDescriptor &a, const RowDescriptor &b) {
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	return (a.key == b.key)
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		&& ((a.fullId == b.fullId) || (!a.fullId.msg && !b.fullId.msg));
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}
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inline bool operator!=(const RowDescriptor &a, const RowDescriptor &b) {
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	return !(a == b);
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}
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inline bool operator<(const RowDescriptor &a, const RowDescriptor &b) {
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	if (a.key < b.key) {
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		return true;
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	} else if (a.key > b.key) {
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		return false;
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	}
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	return a.fullId < b.fullId;
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}
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inline bool operator>(const RowDescriptor &a, const RowDescriptor &b) {
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	return (b < a);
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}
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inline bool operator<=(const RowDescriptor &a, const RowDescriptor &b) {
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	return !(b < a);
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}
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inline bool operator>=(const RowDescriptor &a, const RowDescriptor &b) {
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	return !(a < b);
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}
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} // namespace Dialogs
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