tdesktop/Telegram/SourceFiles/data/data_forum_topic.cpp

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/*
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 "data/data_forum_topic.h"
#include "data/data_channel.h"
#include "data/data_changes.h"
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#include "data/data_forum.h"
#include "data/data_histories.h"
#include "data/data_replies_list.h"
#include "data/data_send_action.h"
#include "data/notify/data_notify_settings.h"
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#include "data/data_session.h"
#include "data/stickers/data_custom_emoji.h"
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#include "dialogs/dialogs_main_list.h"
#include "dialogs/ui/dialogs_layout.h"
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#include "core/application.h"
#include "core/core_settings.h"
#include "apiwrap.h"
#include "api/api_unread_things.h"
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#include "history/history.h"
#include "history/history_item.h"
#include "history/history_unread_things.h"
#include "history/view/history_view_item_preview.h"
#include "main/main_session.h"
#include "ui/painter.h"
#include "ui/color_int_conversion.h"
#include "styles/style_dialogs.h"
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#include "styles/style_chat_helpers.h"
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#include <QtSvg/QSvgRenderer>
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namespace Data {
namespace {
using UpdateFlag = TopicUpdate::Flag;
} // namespace
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const base::flat_map<int32, QString> &ForumTopicIcons() {
static const auto Result = base::flat_map<int32, QString>{
{ 0x6FB9F0, u"blue"_q },
{ 0xFFD67E, u"yellow"_q },
{ 0xCB86DB, u"violet"_q },
{ 0x8EEE98, u"green"_q },
{ 0xFF93B2, u"rose"_q },
{ 0xFB6F5F, u"red"_q },
};
return Result;
}
const std::vector<int32> &ForumTopicColorIds() {
static const auto Result = ForumTopicIcons(
) | ranges::views::transform([](const auto &pair) {
return pair.first;
}) | ranges::to_vector;
return Result;
}
const QString &ForumTopicDefaultIcon() {
static const auto Result = u"gray"_q;
return Result;
}
const QString &ForumTopicIcon(int32 colorId) {
const auto &icons = ForumTopicIcons();
const auto i = icons.find(colorId);
return (i != end(icons)) ? i->second : ForumTopicDefaultIcon();
}
QString ForumTopicIconPath(const QString &name) {
return u":/gui/topic_icons/%1.svg"_q.arg(name);
}
QImage ForumTopicIconBackground(int32 colorId, int size) {
const auto ratio = style::DevicePixelRatio();
auto svg = QSvgRenderer(ForumTopicIconPath(ForumTopicIcon(colorId)));
auto result = QImage(
QSize(size, size) * ratio,
QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(ratio);
result.fill(Qt::transparent);
auto p = QPainter(&result);
svg.render(&p, QRect(0, 0, size, size));
p.end();
return result;
}
QString ExtractNonEmojiLetter(const QString &title) {
const auto begin = title.data();
const auto end = begin + title.size();
for (auto ch = begin; ch != end;) {
auto length = 0;
if (Ui::Emoji::Find(ch, end, &length)) {
ch += length;
continue;
}
uint ucs4 = ch->unicode();
length = 1;
if (QChar::isHighSurrogate(ucs4) && ch + 1 != end) {
ushort low = ch[1].unicode();
if (QChar::isLowSurrogate(low)) {
ucs4 = QChar::surrogateToUcs4(ucs4, low);
length = 2;
}
}
if (!QChar::isLetterOrNumber(ucs4)) {
ch += length;
continue;
}
return QString(ch, length);
}
return QString();
}
QImage ForumTopicIconFrame(
int32 colorId,
const QString &title,
const style::ForumTopicIcon &st) {
auto background = ForumTopicIconBackground(colorId, st.size);
if (const auto one = ExtractNonEmojiLetter(title); !one.isEmpty()) {
auto p = QPainter(&background);
p.setPen(Qt::white);
p.setFont(st.font);
p.drawText(
QRect(0, st.textTop, st.size, st.font->height * 2),
one,
style::al_top);
}
return background;
}
ForumTopic::ForumTopic(not_null<Forum*> forum, MsgId rootId)
: Thread(&forum->history()->owner(), Type::ForumTopic)
, _forum(forum)
, _list(_forum->topicsList())
, _replies(std::make_shared<RepliesList>(history(), rootId))
, _sendActionPainter(owner().sendActionManager().repliesPainter(
history(),
rootId))
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, _rootId(rootId)
, _lastKnownServerMessageId(rootId) {
Thread::setMuted(owner().notifySettings().isMuted(this));
_sendActionPainter->setTopic(this);
_replies->unreadCountValue(
) | rpl::map([=](std::optional<int> value) {
return value ? _replies->displayedUnreadCount() : value;
}) | rpl::distinct_until_changed(
) | rpl::combine_previous(
) | rpl::filter([=] {
return inChatList();
}) | rpl::start_with_next([=](
std::optional<int> previous,
std::optional<int> now) {
notifyUnreadStateChange(unreadStateFor(
previous.value_or(0),
previous.has_value()));
}, _replies->lifetime());
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}
ForumTopic::~ForumTopic() {
_sendActionPainter->setTopic(nullptr);
session().api().unreadThings().cancelRequests(this);
}
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std::shared_ptr<Data::RepliesList> ForumTopic::replies() const {
return _replies;
}
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not_null<ChannelData*> ForumTopic::channel() const {
return _forum->channel();
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}
not_null<History*> ForumTopic::history() const {
return _forum->history();
}
not_null<Forum*> ForumTopic::forum() const {
return _forum;
}
rpl::producer<> ForumTopic::destroyed() const {
using namespace rpl::mappers;
return rpl::merge(
_forum->destroyed(),
_forum->topicDestroyed() | rpl::filter(_1 == this) | rpl::to_empty);
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}
MsgId ForumTopic::rootId() const {
return _rootId;
}
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bool ForumTopic::canEdit() const {
return (_flags & Flag::My) || channel()->canEditTopics();
}
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bool ForumTopic::canDelete() const {
return !creating()
&& (channel()->canEditTopics()
// We don't know if we can delete or not.
/*|| ((_flags & Flag::My) && onlyOneMyMessage)*/);
}
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bool ForumTopic::canToggleClosed() const {
return !creating() && canEdit();
}
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bool ForumTopic::canTogglePinned() const {
return !creating() && channel()->canEditTopics();
}
bool ForumTopic::creating() const {
return _forum->creating(_rootId);
}
void ForumTopic::discard() {
Expects(creating());
_forum->discardCreatingId(_rootId);
}
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void ForumTopic::setRealRootId(MsgId realId) {
if (_rootId != realId) {
_rootId = realId;
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_lastKnownServerMessageId = realId;
_replies = std::make_shared<RepliesList>(history(), _rootId);
_sendActionPainter = owner().sendActionManager().repliesPainter(
history(),
_rootId);
}
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}
void ForumTopic::applyTopic(const MTPDforumTopic &data) {
Expects(_rootId == data.vid().v);
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applyTitle(qs(data.vtitle()));
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if (const auto iconId = data.vicon_emoji_id()) {
applyIconId(iconId->v);
} else {
applyIconId(0);
}
applyColorId(data.vicon_color().v);
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if (data.is_pinned()) {
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owner().setChatPinned(this, 0, true);
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} else {
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_list->pinned()->setPinned(this, false);
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}
owner().notifySettings().apply(this, data.vnotify_settings());
const auto draft = data.vdraft();
if (draft && draft->type() == mtpc_draftMessage) {
Data::ApplyPeerCloudDraft(
&session(),
channel()->id,
_rootId,
draft->c_draftMessage());
}
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if (data.is_my()) {
_flags |= Flag::My;
} else {
_flags &= ~Flag::My;
}
setClosed(data.is_closed());
_replies->setInboxReadTill(
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data.vread_inbox_max_id().v,
data.vunread_count().v);
_replies->setOutboxReadTill(data.vread_outbox_max_id().v);
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applyTopicTopMessage(data.vtop_message().v);
unreadMentions().setCount(data.vunread_mentions_count().v);
unreadReactions().setCount(data.vunread_reactions_count().v);
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}
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bool ForumTopic::closed() const {
return _flags & Flag::Closed;
}
void ForumTopic::setClosed(bool closed) {
if (this->closed() == closed) {
return;
} else if (closed) {
_flags |= Flag::Closed;
} else {
_flags &= ~Flag::Closed;
}
session().changes().topicUpdated(this, UpdateFlag::Closed);
}
void ForumTopic::setClosedAndSave(bool closed) {
setClosed(closed);
const auto api = &session().api();
const auto weak = base::make_weak(this);
api->request(MTPchannels_EditForumTopic(
MTP_flags(MTPchannels_EditForumTopic::Flag::f_closed),
channel()->inputChannel,
MTP_int(_rootId),
MTPstring(), // title
MTPlong(), // icon_emoji_id
MTP_bool(closed)
)).done([=](const MTPUpdates &result) {
api->applyUpdates(result);
}).fail([=](const MTP::Error &error) {
if (error.type() != u"TOPIC_NOT_MODIFIED") {
if (const auto topic = weak.get()) {
topic->forum()->requestTopic(topic->rootId());
}
}
}).send();
}
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void ForumTopic::indexTitleParts() {
_titleWords.clear();
_titleFirstLetters.clear();
auto toIndexList = QStringList();
auto appendToIndex = [&](const QString &value) {
if (!value.isEmpty()) {
toIndexList.push_back(TextUtilities::RemoveAccents(value));
}
};
appendToIndex(_title);
const auto appendTranslit = !toIndexList.isEmpty()
&& cRussianLetters().match(toIndexList.front()).hasMatch();
if (appendTranslit) {
appendToIndex(translitRusEng(toIndexList.front()));
}
auto toIndex = toIndexList.join(' ');
toIndex += ' ' + rusKeyboardLayoutSwitch(toIndex);
const auto namesList = TextUtilities::PrepareSearchWords(toIndex);
for (const auto &name : namesList) {
_titleWords.insert(name);
_titleFirstLetters.insert(name[0]);
}
}
int ForumTopic::chatListNameVersion() const {
return _titleVersion;
}
void ForumTopic::applyTopicTopMessage(MsgId topMessageId) {
if (topMessageId) {
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growLastKnownServerMessageId(topMessageId);
const auto itemId = FullMsgId(channel()->id, topMessageId);
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if (const auto item = owner().message(itemId)) {
setLastServerMessage(item);
// If we set a single album part, request the full album.
if (item->groupId() != MessageGroupId()) {
if (owner().groups().isGroupOfOne(item)
&& !item->toPreview({
.hideSender = true,
.hideCaption = true }).images.empty()
&& _requestedGroups.emplace(item->fullId()).second) {
owner().histories().requestGroupAround(item);
}
}
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} else {
setLastServerMessage(nullptr);
}
} else {
setLastServerMessage(nullptr);
}
}
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void ForumTopic::growLastKnownServerMessageId(MsgId id) {
_lastKnownServerMessageId = std::max(_lastKnownServerMessageId, id);
}
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void ForumTopic::setLastServerMessage(HistoryItem *item) {
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if (item) {
growLastKnownServerMessageId(item->id);
}
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_lastServerMessage = item;
if (_lastMessage
&& *_lastMessage
&& !(*_lastMessage)->isRegular()
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&& (!item
|| (*_lastMessage)->date() > item->date()
|| (*_lastMessage)->isSending())) {
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return;
}
setLastMessage(item);
}
void ForumTopic::setLastMessage(HistoryItem *item) {
if (_lastMessage && *_lastMessage == item) {
return;
}
_lastMessage = item;
if (!item || item->isRegular()) {
_lastServerMessage = item;
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if (item) {
growLastKnownServerMessageId(item->id);
}
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}
setChatListMessage(item);
}
void ForumTopic::setChatListMessage(HistoryItem *item) {
if (_chatListMessage && *_chatListMessage == item) {
return;
}
const auto was = _chatListMessage.value_or(nullptr);
if (item) {
if (item->isSponsored()) {
return;
}
if (_chatListMessage
&& *_chatListMessage
&& !(*_chatListMessage)->isRegular()
&& (*_chatListMessage)->date() > item->date()) {
return;
}
_chatListMessage = item;
setChatListTimeId(item->date());
} else if (!_chatListMessage || *_chatListMessage) {
_chatListMessage = nullptr;
updateChatListEntry();
}
}
void ForumTopic::loadUserpic() {
if (_icon) {
[[maybe_unused]] const auto preload = _icon->ready();
}
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}
void ForumTopic::paintUserpic(
Painter &p,
std::shared_ptr<Data::CloudImageView> &view,
const Dialogs::Ui::PaintContext &context) const {
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const auto &st = context.st;
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auto position = QPoint(st->padding.left(), st->padding.top());
if (_icon) {
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if (context.narrow) {
const auto ratio = style::DevicePixelRatio();
const auto tag = Data::CustomEmojiManager::SizeTag::Normal;
const auto size = Data::FrameSizeFromTag(tag) / ratio;
position = QPoint(
(context.width - size) / 2,
(st->height - size) / 2);
}
_icon->paint(p, {
.preview = st::windowBgOver->c,
.now = context.now,
.position = position,
.paused = context.paused,
});
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} else {
validateDefaultIcon();
const auto size = st::defaultForumTopicIcon.size;
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if (context.narrow) {
position = QPoint(
(context.width - size) / 2,
(st->height - size) / 2);
} else {
const auto esize = st::emojiSize;
const auto shift = (esize - size) / 2;
position += st::forumTopicIconPosition + QPoint(shift, 0);
}
p.drawImage(position, _defaultIcon);
}
}
void ForumTopic::validateDefaultIcon() const {
if (_defaultIcon.isNull()) {
_defaultIcon = ForumTopicIconFrame(
_colorId,
_title,
st::defaultForumTopicIcon);
}
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}
void ForumTopic::requestChatListMessage() {
if (!chatListMessageKnown() && !forum()->creating(_rootId)) {
forum()->requestTopic(_rootId);
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}
}
TimeId ForumTopic::adjustedChatListTimeId() const {
const auto result = chatListTimeId();
if (const auto draft = history()->cloudDraft(_rootId)) {
if (!Data::DraftIsNull(draft) && !session().supportMode()) {
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return std::max(result, draft->date);
}
}
return result;
}
int ForumTopic::fixedOnTopIndex() const {
return 0;
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}
bool ForumTopic::shouldBeInChatList() const {
return isPinnedDialog(FilterId())
|| !lastMessageKnown()
|| (lastMessage() != nullptr);
}
HistoryItem *ForumTopic::lastMessage() const {
return _lastMessage.value_or(nullptr);
}
bool ForumTopic::lastMessageKnown() const {
return _lastMessage.has_value();
}
HistoryItem *ForumTopic::lastServerMessage() const {
return _lastServerMessage.value_or(nullptr);
}
bool ForumTopic::lastServerMessageKnown() const {
return _lastServerMessage.has_value();
}
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MsgId ForumTopic::lastKnownServerMessageId() const {
return _lastKnownServerMessageId;
}
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QString ForumTopic::title() const {
return _title;
}
void ForumTopic::applyTitle(const QString &title) {
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if (_title == title) {
return;
}
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_title = title;
++_titleVersion;
_defaultIcon = QImage();
indexTitleParts();
updateChatListEntry();
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session().changes().topicUpdated(this, UpdateFlag::Title);
}
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DocumentId ForumTopic::iconId() const {
return _iconId;
}
void ForumTopic::applyIconId(DocumentId iconId) {
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if (_iconId == iconId) {
return;
}
_iconId = iconId;
_icon = iconId
? owner().customEmojiManager().create(
_iconId,
[=] { updateChatListEntry(); },
Data::CustomEmojiManager::SizeTag::Normal)
: nullptr;
if (iconId) {
_defaultIcon = QImage();
}
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updateChatListEntry();
session().changes().topicUpdated(this, UpdateFlag::IconId);
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}
int32 ForumTopic::colorId() const {
return _colorId;
}
void ForumTopic::applyColorId(int32 colorId) {
if (_colorId != colorId) {
_colorId = colorId;
session().changes().topicUpdated(this, UpdateFlag::ColorId);
}
}
void ForumTopic::applyItemAdded(not_null<HistoryItem*> item) {
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if (item->isRegular()) {
setLastServerMessage(item);
} else {
setLastMessage(item);
}
}
void ForumTopic::maybeSetLastMessage(not_null<HistoryItem*> item) {
Expects(item->topicRootId() == _rootId);
if (!_lastMessage
|| ((*_lastMessage)->date() < item->date())
|| ((*_lastMessage)->date() == item->date()
&& (*_lastMessage)->id < item->id)) {
setLastMessage(item);
}
}
void ForumTopic::applyItemRemoved(MsgId id) {
if (const auto lastItem = lastMessage()) {
if (lastItem->id == id) {
_lastMessage = std::nullopt;
}
}
if (const auto lastServerItem = lastServerMessage()) {
if (lastServerItem->id == id) {
_lastServerMessage = std::nullopt;
}
}
if (const auto chatListItem = _chatListMessage.value_or(nullptr)) {
if (chatListItem->id == id) {
_chatListMessage = std::nullopt;
requestChatListMessage();
}
}
}
bool ForumTopic::isServerSideUnread(
not_null<const HistoryItem*> item) const {
return _replies->isServerSideUnread(item);
}
void ForumTopic::setMuted(bool muted) {
if (this->muted() == muted) {
return;
}
const auto state = chatListBadgesState();
const auto notify = state.unread || state.reaction;
const auto notifier = unreadStateChangeNotifier(notify);
Thread::setMuted(muted);
session().changes().topicUpdated(
this,
Data::TopicUpdate::Flag::Notifications);
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}
not_null<HistoryView::SendActionPainter*> ForumTopic::sendActionPainter() {
return _sendActionPainter.get();
}
Dialogs::UnreadState ForumTopic::chatListUnreadState() const {
return unreadStateFor(
_replies->displayedUnreadCount(),
_replies->unreadCountKnown());
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}
Dialogs::BadgesState ForumTopic::chatListBadgesState() const {
return Dialogs::BadgesForUnread(
chatListUnreadState(),
Dialogs::CountInBadge::Messages,
Dialogs::IncludeInBadge::All);
}
Dialogs::UnreadState ForumTopic::unreadStateFor(
int count,
bool known) const {
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auto result = Dialogs::UnreadState();
const auto muted = this->muted();
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result.messages = count;
result.chats = count ? 1 : 0;
result.mentions = unreadMentions().has() ? 1 : 0;
result.reactions = unreadReactions().has() ? 1 : 0;
result.messagesMuted = muted ? result.messages : 0;
result.chatsMuted = muted ? result.chats : 0;
result.reactionsMuted = muted ? result.reactions : 0;
result.known = known;
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return result;
}
HistoryItem *ForumTopic::chatListMessage() const {
return _lastMessage.value_or(nullptr);
}
bool ForumTopic::chatListMessageKnown() const {
return _lastMessage.has_value();
}
const QString &ForumTopic::chatListName() const {
return _title;
}
const base::flat_set<QString> &ForumTopic::chatListNameWords() const {
return _titleWords;
}
const base::flat_set<QChar> &ForumTopic::chatListFirstLetters() const {
return _titleFirstLetters;
}
void ForumTopic::hasUnreadMentionChanged(bool has) {
auto was = chatListUnreadState();
if (has) {
was.mentions = 0;
} else {
was.mentions = 1;
}
notifyUnreadStateChange(was);
}
void ForumTopic::hasUnreadReactionChanged(bool has) {
auto was = chatListUnreadState();
if (has) {
was.reactions = was.reactionsMuted = 0;
} else {
was.reactions = 1;
was.reactionsMuted = muted() ? was.reactions : 0;
}
notifyUnreadStateChange(was);
}
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const QString &ForumTopic::chatListNameSortKey() const {
static const auto empty = QString();
return empty;
}
} // namespace Data