129 lines
3.8 KiB
C++
129 lines
3.8 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_options.h"
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TextForMimeData WrapAsReply(
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TextForMimeData &&text,
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not_null<HistoryItem*> to) {
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const auto name = to->author()->name;
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auto result = TextForMimeData();
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result.reserve(
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tr::lng_in_reply_to(tr::now).size()
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+ name.size()
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+ 4
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+ text.expanded.size());
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return result.append('['
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).append(tr::lng_in_reply_to(tr::now)
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).append(' '
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).append(name
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).append(qstr("]\n")
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).append(std::move(text));
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}
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TextForMimeData WrapAsForwarded(
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TextForMimeData &&text,
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not_null<HistoryMessageForwarded*> forwarded) {
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auto info = forwarded->text.toTextForMimeData();
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auto result = TextForMimeData();
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result.reserve(
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info.expanded.size() + 4 + text.expanded.size(),
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info.rich.entities.size() + text.rich.entities.size());
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return result.append('['
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).append(std::move(info)
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).append(qstr("]\n")
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).append(std::move(text));
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}
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TextForMimeData WrapAsItem(
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not_null<HistoryItem*> item,
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TextForMimeData &&result) {
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if (const auto reply = item->Get<HistoryMessageReply>()) {
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if (const auto message = reply->replyToMsg) {
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result = WrapAsReply(std::move(result), message);
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}
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}
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if (const auto forwarded = item->Get<HistoryMessageForwarded>()) {
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result = WrapAsForwarded(std::move(result), forwarded);
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}
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return std::move(result);
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}
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TextForMimeData HistoryItemText(not_null<HistoryItem*> item) {
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const auto media = item->media();
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auto mediaResult = media ? media->clipboardText() : TextForMimeData();
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auto textResult = mediaResult.empty()
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? item->clipboardText()
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: TextForMimeData();
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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(mediaResult);
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} else if (!mediaResult.empty()) {
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result.append(qstr("\n\n")).append(std::move(mediaResult));
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}
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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(qstr("\n\n")).append(std::move(logEntryOriginalResult));
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}
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return WrapAsItem(item, std::move(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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auto caption = [&] {
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auto &&nonempty = ranges::view::all(
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group->items
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) | ranges::view::filter([](not_null<HistoryItem*> item) {
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return !item->clipboardText().empty();
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}) | ranges::view::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 WrapAsItem(group->items.back(), 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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