107 lines
3.0 KiB
C++
107 lines
3.0 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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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(
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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(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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return [&] {
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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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}
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