30 lines
		
	
	
	
		
			739 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
	
		
			739 B
		
	
	
	
		
			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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| 
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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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| 
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| class HistoryItem;
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| 
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| namespace style {
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| struct WhoRead;
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| } // namespace style
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| 
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| namespace Ui {
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| struct WhoReadContent;
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| } // namespace Ui
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| 
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| namespace Api {
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| 
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| [[nodiscard]] bool WhoReadExists(not_null<HistoryItem*> item);
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| 
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| // The context must be destroyed before the session holding this item.
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| [[nodiscard]] rpl::producer<Ui::WhoReadContent> WhoRead(
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| 	not_null<HistoryItem*> item,
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| 	not_null<QWidget*> context,
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| 	const style::WhoRead &st); // Cache results for this lifetime.
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| 
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| } // namespace Api
 | 
