tdesktop/Telegram/SourceFiles/history/history_item_text.cpp

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