98 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.8 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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#include "history/history_item_text.h"
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#include "history/history_item.h"
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#include "history/history_item_components.h"
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#include "data/data_media_types.h"
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#include "data/data_web_page.h"
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#include "data/data_groups.h"
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#include "data/data_peer.h"
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#include "lang/lang_keys.h"
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#include "ui/text/text_options.h"
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TextForMimeData HistoryItemText(not_null<HistoryItem*> item) {
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	auto textResult = item->clipboardText();
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	auto logEntryOriginalResult = [&] {
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		const auto entry = item->Get<HistoryMessageLogEntryOriginal>();
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		if (!entry) {
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			return TextForMimeData();
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		}
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		const auto title = TextUtilities::SingleLine(entry->page->title.isEmpty()
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			? entry->page->author
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			: entry->page->title);
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		auto titleResult = TextForMimeData::Rich(
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			TextUtilities::ParseEntities(
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				title,
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				Ui::WebpageTextTitleOptions().flags));
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		auto descriptionResult = TextForMimeData::Rich(
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			base::duplicate(entry->page->description));
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		if (titleResult.empty()) {
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			return descriptionResult;
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		} else if (descriptionResult.empty()) {
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			return titleResult;
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		}
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		titleResult.append('\n').append(std::move(descriptionResult));
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		return titleResult;
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	}();
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	auto result = textResult;
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	if (result.empty()) {
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		result = std::move(logEntryOriginalResult);
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	} else if (!logEntryOriginalResult.empty()) {
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		result.append(u"\n\n"_q).append(std::move(logEntryOriginalResult));
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	}
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	return result;
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}
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TextForMimeData HistoryGroupText(not_null<const Data::Group*> group) {
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	Expects(!group->items.empty());
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	const auto columnAlbum = [&] {
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		const auto item = group->items.front();
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		if (const auto media = item->media()) {
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			if (const auto document = media->document()) {
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				return !document->isVideoFile();
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			}
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		}
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		return false;
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	}();
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	const auto hasCaption = [](not_null<HistoryItem*> item) {
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		return !item->clipboardText().empty();
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	};
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	if (columnAlbum) {
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		const auto simple = !ranges::any_of(group->items, hasCaption);
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		if (!simple) {
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			auto result = TextForMimeData();
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			for (const auto &item : group->items) {
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				if (result.empty()) {
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					result = HistoryItemText(item);
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				} else {
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					result.append(u"\n\n"_q).append(HistoryItemText(item));
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				}
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			}
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			return result;
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		}
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	}
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	auto caption = [&] {
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		auto &&nonempty = ranges::views::all(
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			group->items
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		) | ranges::views::filter(
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			hasCaption
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		) | ranges::views::take(2);
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		auto first = nonempty.begin();
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		auto end = nonempty.end();
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		if (first == end) {
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			return TextForMimeData();
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		}
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		auto result = (*first)->clipboardText();
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		return (++first == end) ? result : TextForMimeData();
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	}();
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	return Data::WithCaptionClipboardText(
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		tr::lng_in_dlg_album(tr::now),
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		std::move(caption));
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}
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