tdesktop/Telegram/SourceFiles/history/history.cpp

3321 lines
87 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.h"
#include "history/view/history_view_element.h"
#include "history/view/history_view_item_preview.h"
#include "history/history_message.h"
#include "history/history_service.h"
#include "history/history_item_components.h"
#include "history/history_inner_widget.h"
#include "dialogs/dialogs_indexed_list.h"
#include "data/stickers/data_stickers.h"
#include "data/data_drafts.h"
#include "data/data_session.h"
#include "data/data_media_types.h"
#include "data/data_channel_admins.h"
#include "data/data_changes.h"
#include "data/data_chat_filters.h"
#include "data/data_scheduled_messages.h"
#include "data/data_sponsored_messages.h"
#include "data/data_send_action.h"
#include "data/data_folder.h"
#include "data/data_photo.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "data/data_user.h"
#include "data/data_document.h"
#include "data/data_histories.h"
#include "lang/lang_keys.h"
#include "apiwrap.h"
#include "api/api_chat_participants.h"
#include "mainwidget.h"
#include "mainwindow.h"
#include "main/main_session.h"
#include "window/notifications_manager.h"
#include "calls/calls_instance.h"
#include "storage/localstorage.h"
#include "storage/storage_facade.h"
#include "storage/storage_shared_media.h"
#include "storage/storage_account.h"
#include "support/support_helper.h"
#include "ui/image/image.h"
#include "ui/text/text_options.h"
#include "ui/toasts/common_toasts.h"
#include "ui/text/text_utilities.h"
#include "payments/payments_checkout_process.h"
#include "core/crash_reports.h"
#include "core/application.h"
#include "base/unixtime.h"
#include "base/qt/qt_common_adapters.h"
#include "styles/style_dialogs.h"
namespace {
constexpr auto kNewBlockEachMessage = 50;
constexpr auto kSkipCloudDraftsFor = TimeId(2);
using UpdateFlag = Data::HistoryUpdate::Flag;
} // namespace
History::History(not_null<Data::Session*> owner, PeerId peerId)
: Entry(owner, Type::History)
, peer(owner->peer(peerId))
, cloudDraftTextCache(st::dialogsTextWidthMin)
, _delegateMixin(HistoryInner::DelegateMixin())
, _mute(owner->notifyIsMuted(peer))
, _chatListNameSortKey(owner->nameSortKey(peer->name))
, _sendActionPainter(this) {
if (const auto user = peer->asUser()) {
if (user->isBot()) {
_outboxReadBefore = std::numeric_limits<MsgId>::max();
}
}
}
void History::clearLastKeyboard() {
if (lastKeyboardId) {
if (lastKeyboardId == lastKeyboardHiddenId) {
lastKeyboardHiddenId = 0;
}
lastKeyboardId = 0;
session().changes().historyUpdated(this, UpdateFlag::BotKeyboard);
}
lastKeyboardInited = true;
lastKeyboardFrom = 0;
}
int History::height() const {
return _height;
}
void History::removeNotification(not_null<HistoryItem*> item) {
_notifications.erase(
ranges::remove(_notifications, item, &ItemNotification::item),
end(_notifications));
}
auto History::currentNotification() const -> std::optional<ItemNotification> {
return empty(_notifications)
? std::nullopt
: std::make_optional(_notifications.front());
}
bool History::hasNotification() const {
return !empty(_notifications);
}
void History::skipNotification() {
if (!empty(_notifications)) {
_notifications.pop_front();
}
}
void History::pushNotification(ItemNotification notification) {
_notifications.push_back(notification);
}
void History::popNotification(ItemNotification notification) {
if (!empty(_notifications) && (_notifications.back() == notification)) {
_notifications.pop_back();
}
}
bool History::hasPendingResizedItems() const {
return _flags & Flag::f_has_pending_resized_items;
}
void History::setHasPendingResizedItems() {
_flags |= Flag::f_has_pending_resized_items;
}
void History::itemRemoved(not_null<HistoryItem*> item) {
if (item == _joinedMessage) {
_joinedMessage = nullptr;
}
item->removeMainView();
if (_lastServerMessage == item) {
_lastServerMessage = std::nullopt;
}
if (lastMessage() == item) {
_lastMessage = std::nullopt;
if (loadedAtBottom()) {
if (const auto last = lastAvailableMessage()) {
setLastMessage(last);
}
}
}
checkChatListMessageRemoved(item);
itemVanished(item);
if (IsClientMsgId(item->id)) {
unregisterClientSideMessage(item);
}
if (const auto chat = peer->asChat()) {
if (const auto to = chat->getMigrateToChannel()) {
if (const auto history = owner().historyLoaded(to)) {
history->checkChatListMessageRemoved(item);
}
}
}
}
void History::checkChatListMessageRemoved(not_null<HistoryItem*> item) {
if (chatListMessage() != item) {
return;
}
setChatListMessageUnknown();
refreshChatListMessage();
}
void History::itemVanished(not_null<HistoryItem*> item) {
removeNotification(item);
if (lastKeyboardId == item->id) {
clearLastKeyboard();
}
if ((!item->out() || item->isPost())
&& item->unread()
&& unreadCount() > 0) {
setUnreadCount(unreadCount() - 1);
}
}
void History::takeLocalDraft(not_null<History*> from) {
const auto i = from->_drafts.find(Data::DraftKey::Local());
if (i == end(from->_drafts)) {
return;
}
auto &draft = i->second;
if (!draft->textWithTags.text.isEmpty()
&& !_drafts.contains(Data::DraftKey::Local())) {
// Edit and reply to drafts can't migrate.
// Cloud drafts do not migrate automatically.
draft->msgId = 0;
setLocalDraft(std::move(draft));
}
from->clearLocalDraft();
session().api().saveDraftToCloudDelayed(from);
}
void History::createLocalDraftFromCloud() {
const auto draft = cloudDraft();
if (!draft) {
clearLocalDraft();
return;
} else if (Data::draftIsNull(draft) || !draft->date) {
return;
}
auto existing = localDraft();
if (Data::draftIsNull(existing)
|| !existing->date
|| draft->date >= existing->date) {
if (!existing) {
setLocalDraft(std::make_unique<Data::Draft>(
draft->textWithTags,
draft->msgId,
draft->cursor,
draft->previewState));
existing = localDraft();
} else if (existing != draft) {
existing->textWithTags = draft->textWithTags;
existing->msgId = draft->msgId;
existing->cursor = draft->cursor;
existing->previewState = draft->previewState;
}
existing->date = draft->date;
}
}
Data::Draft *History::draft(Data::DraftKey key) const {
if (!key) {
return nullptr;
}
const auto i = _drafts.find(key);
return (i != _drafts.end()) ? i->second.get() : nullptr;
}
void History::setDraft(Data::DraftKey key, std::unique_ptr<Data::Draft> &&draft) {
if (!key) {
return;
}
const auto changingCloudDraft = (key == Data::DraftKey::Cloud());
if (changingCloudDraft) {
cloudDraftTextCache.clear();
}
if (draft) {
_drafts[key] = std::move(draft);
} else if (_drafts.remove(key) && changingCloudDraft) {
updateChatListSortPosition();
}
}
const Data::HistoryDrafts &History::draftsMap() const {
return _drafts;
}
void History::setDraftsMap(Data::HistoryDrafts &&map) {
for (auto &[key, draft] : _drafts) {
map[key] = std::move(draft);
}
_drafts = std::move(map);
}
void History::clearDraft(Data::DraftKey key) {
setDraft(key, nullptr);
}
void History::clearDrafts() {
const auto changingCloudDraft = _drafts.contains(Data::DraftKey::Cloud());
_drafts.clear();
if (changingCloudDraft) {
cloudDraftTextCache.clear();
updateChatListSortPosition();
}
}
Data::Draft *History::createCloudDraft(const Data::Draft *fromDraft) {
if (Data::draftIsNull(fromDraft)) {
setCloudDraft(std::make_unique<Data::Draft>(
TextWithTags(),
0,
MessageCursor(),
Data::PreviewState::Allowed));
cloudDraft()->date = TimeId(0);
} else {
auto existing = cloudDraft();
if (!existing) {
setCloudDraft(std::make_unique<Data::Draft>(
fromDraft->textWithTags,
fromDraft->msgId,
fromDraft->cursor,
fromDraft->previewState));
existing = cloudDraft();
} else if (existing != fromDraft) {
existing->textWithTags = fromDraft->textWithTags;
existing->msgId = fromDraft->msgId;
existing->cursor = fromDraft->cursor;
existing->previewState = fromDraft->previewState;
}
existing->date = base::unixtime::now();
}
cloudDraftTextCache.clear();
updateChatListSortPosition();
return cloudDraft();
}
bool History::skipCloudDraftUpdate(TimeId date) const {
return (_savingCloudDraftRequests > 0)
|| (date < _acceptCloudDraftsAfter);
}
void History::startSavingCloudDraft() {
++_savingCloudDraftRequests;
}
void History::finishSavingCloudDraft(TimeId savedAt) {
if (_savingCloudDraftRequests > 0) {
--_savingCloudDraftRequests;
}
const auto acceptAfter = savedAt + kSkipCloudDraftsFor;
_acceptCloudDraftsAfter = std::max(_acceptCloudDraftsAfter, acceptAfter);
}
void History::applyCloudDraft() {
if (session().supportMode()) {
updateChatListEntry();
session().supportHelper().cloudDraftChanged(this);
} else {
createLocalDraftFromCloud();
updateChatListSortPosition();
session().changes().historyUpdated(this, UpdateFlag::CloudDraft);
}
}
void History::draftSavedToCloud() {
updateChatListEntry();
session().local().writeDrafts(this);
}
Data::ResolvedForwardDraft History::resolveForwardDraft(
const Data::ForwardDraft &draft) const {
return Data::ResolvedForwardDraft{
.items = owner().idsToItems(draft.ids),
.options = draft.options,
};
}
Data::ResolvedForwardDraft History::resolveForwardDraft() {
auto result = resolveForwardDraft(_forwardDraft);
if (result.items.size() != _forwardDraft.ids.size()) {
setForwardDraft({
.ids = owner().itemsToIds(result.items),
.options = result.options,
});
}
return result;
}
void History::setForwardDraft(Data::ForwardDraft &&draft) {
_forwardDraft = std::move(draft);
}
not_null<HistoryItem*> History::createItem(
MsgId id,
const MTPMessage &message,
MessageFlags localFlags,
bool detachExistingItem) {
if (const auto result = owner().message(peer, id)) {
if (detachExistingItem) {
result->removeMainView();
}
return result;
}
return HistoryItem::Create(this, id, message, localFlags);
}
std::vector<not_null<HistoryItem*>> History::createItems(
const QVector<MTPMessage> &data) {
auto result = std::vector<not_null<HistoryItem*>>();
result.reserve(data.size());
const auto localFlags = MessageFlags();
const auto detachExistingItem = true;
for (auto i = data.cend(), e = data.cbegin(); i != e;) {
const auto &data = *--i;
result.emplace_back(createItem(
IdFromMessage(data),
data,
localFlags,
detachExistingItem));
}
return result;
}
not_null<HistoryItem*> History::addNewMessage(
MsgId id,
const MTPMessage &msg,
MessageFlags localFlags,
NewMessageType type) {
const auto detachExistingItem = (type == NewMessageType::Unread);
const auto item = createItem(id, msg, localFlags, detachExistingItem);
if (type == NewMessageType::Existing || item->mainView()) {
return item;
}
const auto unread = (type == NewMessageType::Unread);
if (unread && item->isHistoryEntry()) {
applyMessageChanges(item, msg);
}
return addNewItem(item, unread);
}
not_null<HistoryItem*> History::insertItem(
std::unique_ptr<HistoryItem> item) {
Expects(item != nullptr);
const auto [i, ok] = _messages.insert(std::move(item));
const auto result = i->get();
owner().registerMessage(result);
Ensures(ok);
return result;
}
void History::destroyMessage(not_null<HistoryItem*> item) {
Expects(item->isHistoryEntry() || !item->mainView());
const auto peerId = peer->id;
if (item->isHistoryEntry()) {
// All this must be done for all items manually in History::clear()!
item->destroyHistoryEntry();
if (item->isRegular()) {
if (const auto types = item->sharedMediaTypes()) {
session().storage().remove(Storage::SharedMediaRemoveOne(
peerId,
types,
item->id));
}
}
itemRemoved(item);
}
if (item->isSending()) {
session().api().cancelLocalItem(item);
}
const auto document = [&] {
const auto media = item->media();
return media ? media->document() : nullptr;
}();
owner().unregisterMessage(item);
Core::App().notifications().clearFromItem(item);
auto hack = std::unique_ptr<HistoryItem>(item.get());
const auto i = _messages.find(hack);
hack.release();
Assert(i != end(_messages));
_messages.erase(i);
if (document) {
session().data().documentMessageRemoved(document);
}
}
void History::destroyMessagesByDates(TimeId minDate, TimeId maxDate) {
auto toDestroy = std::vector<not_null<HistoryItem*>>();
for (const auto &message : _messages) {
if (message->isRegular()
&& message->date() > minDate
&& message->date() < maxDate) {
toDestroy.push_back(message.get());
}
}
for (const auto item : toDestroy) {
item->destroy();
}
}
void History::unpinAllMessages() {
session().storage().remove(
Storage::SharedMediaRemoveAll(
peer->id,
Storage::SharedMediaType::Pinned));
setHasPinnedMessages(false);
for (const auto &message : _messages) {
if (message->isPinned()) {
message->setIsPinned(false);
}
}
}
not_null<HistoryItem*> History::addNewItem(
not_null<HistoryItem*> item,
bool unread) {
if (item->isScheduled()) {
owner().scheduledMessages().appendSending(item);
return item;
} else if (!item->isHistoryEntry()) {
return item;
}
// In case we've loaded a new 'last' message
// and it is not in blocks and we think that
// we have all the messages till the bottom
// we should unload known history or mark
// currently loaded slice as not reaching bottom.
const auto shouldMarkBottomNotLoaded = loadedAtBottom()
&& !unread
&& !isEmpty();
if (shouldMarkBottomNotLoaded) {
setNotLoadedAtBottom();
}
if (!loadedAtBottom() || peer->migrateTo()) {
setLastMessage(item);
if (unread) {
newItemAdded(item);
}
} else {
addNewToBack(item, unread);
checkForLoadedAtTop(item);
if (!unread) {
// When we add just one last item, like we do while loading dialogs,
// we want to remove a single added grouped media, otherwise it will
// jump once we open the message history (first we show only that
// media, then we load the rest of the group and show the group).
//
// That way when we open the message history we show nothing until a
// whole history part is loaded, it certainly will contain the group.
removeOrphanMediaGroupPart();
}
}
return item;
}
void History::checkForLoadedAtTop(not_null<HistoryItem*> added) {
if (peer->isChat()) {
if (added->isGroupEssential() && !added->isGroupMigrate()) {
// We added the first message about group creation.
_loadedAtTop = true;
addEdgesToSharedMedia();
}
} else if (peer->isChannel()) {
if (added->id == 1) {
_loadedAtTop = true;
checkLocalMessages();
addEdgesToSharedMedia();
}
}
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
MessageFlags flags,
UserId viaBotId,
MsgId replyTo,
TimeId date,
PeerId from,
const QString &postAuthor,
const TextWithEntities &text,
const MTPMessageMedia &media,
HistoryMessageMarkupData &&markup,
uint64 groupedId) {
return addNewItem(
makeMessage(
id,
flags | MessageFlag::Local,
replyTo,
viaBotId,
date,
from,
postAuthor,
text,
media,
std::move(markup),
groupedId),
true);
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
MessageFlags flags,
TimeId date,
PeerId from,
const QString &postAuthor,
not_null<HistoryItem*> forwardOriginal) {
return addNewItem(
makeMessage(
id,
flags | MessageFlag::Local,
date,
from,
postAuthor,
forwardOriginal),
true);
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
MessageFlags flags,
UserId viaBotId,
MsgId replyTo,
TimeId date,
PeerId from,
const QString &postAuthor,
not_null<DocumentData*> document,
const TextWithEntities &caption,
HistoryMessageMarkupData &&markup) {
return addNewItem(
makeMessage(
id,
flags | MessageFlag::Local,
replyTo,
viaBotId,
date,
from,
postAuthor,
document,
caption,
std::move(markup)),
true);
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
MessageFlags flags,
UserId viaBotId,
MsgId replyTo,
TimeId date,
PeerId from,
const QString &postAuthor,
not_null<PhotoData*> photo,
const TextWithEntities &caption,
HistoryMessageMarkupData &&markup) {
return addNewItem(
makeMessage(
id,
flags | MessageFlag::Local,
replyTo,
viaBotId,
date,
from,
postAuthor,
photo,
caption,
std::move(markup)),
true);
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
MessageFlags flags,
UserId viaBotId,
MsgId replyTo,
TimeId date,
PeerId from,
const QString &postAuthor,
not_null<GameData*> game,
HistoryMessageMarkupData &&markup) {
return addNewItem(
makeMessage(
id,
flags | MessageFlag::Local,
replyTo,
viaBotId,
date,
from,
postAuthor,
game,
std::move(markup)),
true);
}
not_null<HistoryItem*> History::addNewLocalMessage(
MsgId id,
Data::SponsoredFrom from,
const TextWithEntities &textWithEntities) {
return addNewItem(
makeMessage(
id,
from,
textWithEntities),
true);
}
void History::setUnreadMentionsCount(int count) {
const auto had = _unreadMentionsCount && (*_unreadMentionsCount > 0);
if (_unreadMentions.size() > count) {
LOG(("API Warning: real mentions count is greater than received mentions count"));
count = _unreadMentions.size();
}
_unreadMentionsCount = count;
const auto has = (count > 0);
if (has != had) {
owner().chatsFilters().refreshHistory(this);
updateChatListEntry();
}
}
bool History::addToUnreadMentions(
MsgId msgId,
UnreadMentionType type) {
if (peer->isChannel() && !peer->isMegagroup()) {
return false;
}
auto allLoaded = _unreadMentionsCount
? (_unreadMentions.size() >= *_unreadMentionsCount)
: false;
if (allLoaded) {
if (type == UnreadMentionType::New) {
_unreadMentions.insert(msgId);
setUnreadMentionsCount(*_unreadMentionsCount + 1);
return true;
}
} else if (!_unreadMentions.empty() && type != UnreadMentionType::New) {
_unreadMentions.insert(msgId);
return true;
}
return false;
}
void History::eraseFromUnreadMentions(MsgId msgId) {
_unreadMentions.remove(msgId);
if (_unreadMentionsCount && *_unreadMentionsCount > 0) {
setUnreadMentionsCount(*_unreadMentionsCount - 1);
}
session().changes().historyUpdated(this, UpdateFlag::UnreadMentions);
}
void History::addUnreadMentionsSlice(const MTPmessages_Messages &result) {
auto count = 0;
auto messages = (const QVector<MTPMessage>*)nullptr;
auto getMessages = [&](auto &list) {
owner().processUsers(list.vusers());
owner().processChats(list.vchats());
return &list.vmessages().v;
};
switch (result.type()) {
case mtpc_messages_messages: {
auto &d = result.c_messages_messages();
messages = getMessages(d);
count = messages->size();
} break;
case mtpc_messages_messagesSlice: {
auto &d = result.c_messages_messagesSlice();
messages = getMessages(d);
count = d.vcount().v;
} break;
case mtpc_messages_channelMessages: {
LOG(("API Error: unexpected messages.channelMessages! (History::addUnreadMentionsSlice)"));
auto &d = result.c_messages_channelMessages();
messages = getMessages(d);
count = d.vcount().v;
} break;
case mtpc_messages_messagesNotModified: {
LOG(("API Error: received messages.messagesNotModified! (History::addUnreadMentionsSlice)"));
} break;
default: Unexpected("type in History::addUnreadMentionsSlice");
}
auto added = false;
if (messages) {
const auto localFlags = MessageFlags();
const auto type = NewMessageType::Existing;
for (const auto &message : *messages) {
const auto item = addNewMessage(
IdFromMessage(message),
message,
localFlags,
type);
if (item && item->isUnreadMention()) {
_unreadMentions.insert(item->id);
added = true;
}
}
}
if (!added) {
count = _unreadMentions.size();
}
setUnreadMentionsCount(count);
session().changes().historyUpdated(this, UpdateFlag::UnreadMentions);
}
not_null<HistoryItem*> History::addNewToBack(
not_null<HistoryItem*> item,
bool unread) {
Expects(!isBuildingFrontBlock());
addItemToBlock(item);
if (!unread && item->isRegular()) {
if (const auto sharedMediaTypes = item->sharedMediaTypes()) {
auto from = loadedAtTop() ? 0 : minMsgId();
auto till = loadedAtBottom() ? ServerMaxMsgId : maxMsgId();
session().storage().add(Storage::SharedMediaAddExisting(
peer->id,
sharedMediaTypes,
item->id,
{ from, till }));
if (sharedMediaTypes.test(Storage::SharedMediaType::Pinned)) {
setHasPinnedMessages(true);
}
}
}
if (item->from()->id) {
if (auto user = item->from()->asUser()) {
auto getLastAuthors = [this]() -> std::deque<not_null<UserData*>>* {
if (auto chat = peer->asChat()) {
return &chat->lastAuthors;
} else if (auto channel = peer->asMegagroup()) {
return &channel->mgInfo->lastParticipants;
}
return nullptr;
};
if (auto megagroup = peer->asMegagroup()) {
if (user->isBot()) {
auto mgInfo = megagroup->mgInfo.get();
Assert(mgInfo != nullptr);
mgInfo->bots.insert(user);
if (mgInfo->botStatus != 0 && mgInfo->botStatus < 2) {
mgInfo->botStatus = 2;
}
}
}
if (auto lastAuthors = getLastAuthors()) {
auto prev = ranges::find(
*lastAuthors,
user,
[](not_null<UserData*> user) { return user.get(); });
auto index = (prev != lastAuthors->end())
? (lastAuthors->end() - prev)
: -1;
if (index > 0) {
lastAuthors->erase(prev);
} else if (index < 0 && peer->isMegagroup()) { // nothing is outdated if just reordering
// admins information outdated
}
if (index) {
lastAuthors->push_front(user);
}
if (auto megagroup = peer->asMegagroup()) {
session().changes().peerUpdated(
peer,
Data::PeerUpdate::Flag::Members);
owner().addNewMegagroupParticipant(megagroup, user);
}
}
}
if (item->definesReplyKeyboard()) {
auto markupFlags = item->replyKeyboardFlags();
if (!(markupFlags & ReplyMarkupFlag::Selective)
|| item->mentionsMe()) {
auto getMarkupSenders = [this]() -> base::flat_set<not_null<PeerData*>>* {
if (auto chat = peer->asChat()) {
return &chat->markupSenders;
} else if (auto channel = peer->asMegagroup()) {
return &channel->mgInfo->markupSenders;
}
return nullptr;
};
if (auto markupSenders = getMarkupSenders()) {
markupSenders->insert(item->from());
}
if (markupFlags & ReplyMarkupFlag::None) {
// None markup means replyKeyboardHide.
if (lastKeyboardFrom == item->from()->id
|| (!lastKeyboardInited
&& !peer->isChat()
&& !peer->isMegagroup()
&& !item->out())) {
clearLastKeyboard();
}
} else {
bool botNotInChat = false;
if (peer->isChat()) {
botNotInChat = item->from()->isUser()
&& (!peer->asChat()->participants.empty()
|| !peer->canWrite())
&& !peer->asChat()->participants.contains(
item->from()->asUser());
} else if (peer->isMegagroup()) {
botNotInChat = item->from()->isUser()
&& (peer->asChannel()->mgInfo->botStatus != 0
|| !peer->canWrite())
&& !peer->asChannel()->mgInfo->bots.contains(
item->from()->asUser());
}
if (botNotInChat) {
clearLastKeyboard();
} else {
lastKeyboardInited = true;
lastKeyboardId = item->id;
lastKeyboardFrom = item->from()->id;
lastKeyboardUsed = false;
}
}
}
}
}
setLastMessage(item);
if (unread) {
newItemAdded(item);
}
owner().notifyHistoryChangeDelayed(this);
return item;
}
void History::applyMessageChanges(
not_null<HistoryItem*> item,
const MTPMessage &data) {
if (data.type() == mtpc_messageService) {
applyServiceChanges(item, data.c_messageService());
}
owner().stickers().checkSavedGif(item);
session().changes().messageUpdated(
item,
Data::MessageUpdate::Flag::NewAdded);
}
void History::applyServiceChanges(
not_null<HistoryItem*> item,
const MTPDmessageService &data) {
const auto replyTo = data.vreply_to();
const auto processJoinedUser = [&](
not_null<ChannelData*> megagroup,
not_null<MegagroupInfo*> mgInfo,
not_null<UserData*> user) {
if (!base::contains(mgInfo->lastParticipants, user)) {
mgInfo->lastParticipants.push_front(user);
session().changes().peerUpdated(
peer,
Data::PeerUpdate::Flag::Members);
owner().addNewMegagroupParticipant(megagroup, user);
}
if (user->isBot()) {
mgInfo->bots.insert(user);
if (mgInfo->botStatus != 0 && mgInfo->botStatus < 2) {
mgInfo->botStatus = 2;
}
}
};
const auto processJoinedPeer = [&](not_null<PeerData*> joined) {
if (const auto megagroup = peer->asMegagroup()) {
const auto mgInfo = megagroup->mgInfo.get();
Assert(mgInfo != nullptr);
if (const auto user = joined->asUser()) {
processJoinedUser(megagroup, mgInfo, user);
}
}
};
data.vaction().match([&](const MTPDmessageActionChatAddUser &data) {
if (const auto megagroup = peer->asMegagroup()) {
const auto mgInfo = megagroup->mgInfo.get();
Assert(mgInfo != nullptr);
for (const auto &userId : data.vusers().v) {
if (const auto user = owner().userLoaded(userId.v)) {
processJoinedUser(megagroup, mgInfo, user);
}
}
}
}, [&](const MTPDmessageActionChatJoinedByLink &data) {
processJoinedPeer(item->from());
}, [&](const MTPDmessageActionChatDeletePhoto &data) {
if (const auto chat = peer->asChat()) {
chat->setPhoto(MTP_chatPhotoEmpty());
}
}, [&](const MTPDmessageActionChatDeleteUser &data) {
const auto uid = data.vuser_id().v;
if (lastKeyboardFrom == peerFromUser(uid)) {
clearLastKeyboard();
}
if (const auto megagroup = peer->asMegagroup()) {
if (const auto user = owner().userLoaded(uid)) {
const auto mgInfo = megagroup->mgInfo.get();
Assert(mgInfo != nullptr);
const auto i = ranges::find(
mgInfo->lastParticipants,
user,
[](not_null<UserData*> user) { return user.get(); });
if (i != mgInfo->lastParticipants.end()) {
mgInfo->lastParticipants.erase(i);
session().changes().peerUpdated(
peer,
Data::PeerUpdate::Flag::Members);
}
owner().removeMegagroupParticipant(megagroup, user);
if (megagroup->membersCount() > 1) {
megagroup->setMembersCount(
megagroup->membersCount() - 1);
} else {
mgInfo->lastParticipantsStatus
|= MegagroupInfo::LastParticipantsCountOutdated;
mgInfo->lastParticipantsCount = 0;
}
if (mgInfo->lastAdmins.contains(user)) {
mgInfo->lastAdmins.remove(user);
if (megagroup->adminsCount() > 1) {
megagroup->setAdminsCount(
megagroup->adminsCount() - 1);
}
session().changes().peerUpdated(
peer,
Data::PeerUpdate::Flag::Admins);
}
mgInfo->bots.remove(user);
if (mgInfo->bots.empty() && mgInfo->botStatus > 0) {
mgInfo->botStatus = -1;
}
}
Data::ChannelAdminChanges(megagroup).remove(uid);
}
}, [&](const MTPDmessageActionChatEditPhoto &data) {
data.vphoto().match([&](const MTPDphoto &data) {
using Flag = MTPDchatPhoto::Flag;
const auto photo = owner().processPhoto(data);
photo->peer = peer;
const auto chatPhoto = MTP_chatPhoto(
MTP_flags((photo->hasVideo() ? Flag::f_has_video : Flag(0))
| (photo->inlineThumbnailBytes().isEmpty()
? Flag(0)
: Flag::f_stripped_thumb)),
MTP_long(photo->id),
MTP_bytes(photo->inlineThumbnailBytes()),
data.vdc_id());
if (const auto chat = peer->asChat()) {
chat->setPhoto(chatPhoto);
} else if (const auto channel = peer->asChannel()) {
channel->setPhoto(chatPhoto);
}
peer->loadUserpic();
}, [&](const MTPDphotoEmpty &data) {
if (const auto chat = peer->asChat()) {
chat->setPhoto(MTP_chatPhotoEmpty());
} else if (const auto channel = peer->asChannel()) {
channel->setPhoto(MTP_chatPhotoEmpty());
}
});
}, [&](const MTPDmessageActionChatEditTitle &data) {
if (const auto chat = peer->asChat()) {
chat->setName(qs(data.vtitle()));
}
}, [&](const MTPDmessageActionChatMigrateTo &data) {
if (const auto chat = peer->asChat()) {
chat->addFlags(ChatDataFlag::Deactivated);
if (const auto channel = owner().channelLoaded(
data.vchannel_id().v)) {
Data::ApplyMigration(chat, channel);
}
}
}, [&](const MTPDmessageActionChannelMigrateFrom &data) {
if (const auto channel = peer->asChannel()) {
channel->addFlags(ChannelDataFlag::Megagroup);
if (const auto chat = owner().chatLoaded(data.vchat_id().v)) {
Data::ApplyMigration(chat, channel);
}
}
}, [&](const MTPDmessageActionPinMessage &data) {
if (replyTo) {
replyTo->match([&](const MTPDmessageReplyHeader &data) {
const auto id = data.vreply_to_msg_id().v;
if (item) {
session().storage().add(Storage::SharedMediaAddSlice(
peer->id,
Storage::SharedMediaType::Pinned,
{ id },
{ id, ServerMaxMsgId }));
setHasPinnedMessages(true);
}
});
}
}, [&](const MTPDmessageActionGroupCall &data) {
if (const auto channel = peer->asChannel()) {
channel->setGroupCall(data.vcall());
} else if (const auto chat = peer->asChat()) {
chat->setGroupCall(data.vcall());
}
}, [&](const MTPDmessageActionGroupCallScheduled &data) {
if (const auto channel = peer->asChannel()) {
channel->setGroupCall(data.vcall(), data.vschedule_date().v);
} else if (const auto chat = peer->asChat()) {
chat->setGroupCall(data.vcall(), data.vschedule_date().v);
}
}, [&](const MTPDmessageActionPaymentSent &data) {
if (const auto payment = item->Get<HistoryServicePayment>()) {
if (const auto message = payment->msg) {
if (const auto media = message->media()) {
if (const auto invoice = media->invoice()) {
using Payments::CheckoutProcess;
if (CheckoutProcess::TakePaymentStarted(message)) {
// Toast on a current active window.
Ui::ShowMultilineToast({
.text = tr::lng_payments_success(
tr::now,
lt_amount,
Ui::Text::Bold(payment->amount),
lt_title,
Ui::Text::Bold(invoice->title),
Ui::Text::WithEntities),
});
}
}
}
}
}
}, [&](const MTPDmessageActionSetChatTheme &data) {
peer->setThemeEmoji(qs(data.vemoticon()));
}, [&](const MTPDmessageActionChatJoinedByRequest &data) {
processJoinedPeer(item->from());
}, [](const auto &) {
});
}
void History::mainViewRemoved(
not_null<HistoryBlock*> block,
not_null<HistoryView::Element*> view) {
Expects(_joinedMessage != view->data());
if (_firstUnreadView == view) {
getNextFirstUnreadMessage();
}
if (_unreadBarView == view) {
_unreadBarView = nullptr;
}
if (scrollTopItem == view) {
getNextScrollTopItem(block, view->indexInBlock());
}
}
void History::newItemAdded(not_null<HistoryItem*> item) {
item->indexAsNewItem();
if (const auto from = item->from() ? item->from()->asUser() : nullptr) {
if (from == item->author()) {
_sendActionPainter.clear(from);
owner().sendActionManager().repliesPaintersClear(this, from);
}
from->madeAction(item->date());
}
item->contributeToSlowmode();
auto notification = ItemNotification{
item,
ItemNotificationType::Message,
};
if (item->showNotification()) {
pushNotification(notification);
}
owner().notifyNewItemAdded(item);
const auto stillShow = item->showNotification(); // Could be read already.
if (stillShow) {
Core::App().notifications().schedule(notification);
if (!item->out() && item->unread()) {
if (unreadCountKnown()) {
setUnreadCount(unreadCount() + 1);
} else {
owner().histories().requestDialogEntry(this);
}
}
} else if (item->out()) {
destroyUnreadBar();
} else if (!item->unread()) {
inboxRead(item);
}
if (item->out() && !item->unread()) {
outboxRead(item);
}
item->incrementReplyToTopCounter();
if (!folderKnown()) {
owner().histories().requestDialogEntry(this);
}
}
void History::registerClientSideMessage(not_null<HistoryItem*> item) {
Expects(item->isHistoryEntry());
Expects(IsClientMsgId(item->id));
_clientSideMessages.emplace(item);
session().changes().historyUpdated(this, UpdateFlag::ClientSideMessages);
}
void History::unregisterClientSideMessage(not_null<HistoryItem*> item) {
const auto removed = _clientSideMessages.remove(item);
Assert(removed);
session().changes().historyUpdated(this, UpdateFlag::ClientSideMessages);
}
const base::flat_set<not_null<HistoryItem*>> &History::clientSideMessages() {
return _clientSideMessages;
}
HistoryItem *History::latestSendingMessage() const {
auto sending = ranges::views::all(
_clientSideMessages
) | ranges::views::filter([](not_null<HistoryItem*> item) {
return item->isSending();
});
const auto i = ranges::max_element(sending, ranges::less(), [](
not_null<HistoryItem*> item) {
return std::pair(item->date(), item->id.bare);
});
return (i == sending.end()) ? nullptr : i->get();
}
HistoryBlock *History::prepareBlockForAddingItem() {
if (isBuildingFrontBlock()) {
if (_buildingFrontBlock->block) {
return _buildingFrontBlock->block;
}
blocks.push_front(std::make_unique<HistoryBlock>(this));
for (auto i = 0, l = int(blocks.size()); i != l; ++i) {
blocks[i]->setIndexInHistory(i);
}
_buildingFrontBlock->block = blocks.front().get();
if (_buildingFrontBlock->expectedItemsCount > 0) {
_buildingFrontBlock->block->messages.reserve(
_buildingFrontBlock->expectedItemsCount + 1);
}
return _buildingFrontBlock->block;
}
const auto addNewBlock = blocks.empty()
|| (blocks.back()->messages.size() >= kNewBlockEachMessage);
if (addNewBlock) {
blocks.push_back(std::make_unique<HistoryBlock>(this));
blocks.back()->setIndexInHistory(blocks.size() - 1);
blocks.back()->messages.reserve(kNewBlockEachMessage);
}
return blocks.back().get();
}
void History::viewReplaced(not_null<const Element*> was, Element *now) {
if (scrollTopItem == was) scrollTopItem = now;
if (_firstUnreadView == was) _firstUnreadView = now;
if (_unreadBarView == was) _unreadBarView = now;
}
void History::addItemToBlock(not_null<HistoryItem*> item) {
Expects(!item->mainView());
auto block = prepareBlockForAddingItem();
block->messages.push_back(item->createView(_delegateMixin->delegate()));
const auto view = block->messages.back().get();
view->attachToBlock(block, block->messages.size() - 1);
if (isBuildingFrontBlock() && _buildingFrontBlock->expectedItemsCount > 0) {
--_buildingFrontBlock->expectedItemsCount;
}
}
void History::addEdgesToSharedMedia() {
auto from = loadedAtTop() ? 0 : minMsgId();
auto till = loadedAtBottom() ? ServerMaxMsgId : maxMsgId();
for (auto i = 0; i != Storage::kSharedMediaTypeCount; ++i) {
const auto type = static_cast<Storage::SharedMediaType>(i);
session().storage().add(Storage::SharedMediaAddSlice(
peer->id,
type,
{},
{ from, till }));
}
}
void History::addOlderSlice(const QVector<MTPMessage> &slice) {
if (slice.isEmpty()) {
_loadedAtTop = true;
checkLocalMessages();
return;
}
if (const auto added = createItems(slice); !added.empty()) {
addCreatedOlderSlice(added);
} else {
// If no items were added it means we've loaded everything old.
_loadedAtTop = true;
addEdgesToSharedMedia();
}
checkLocalMessages();
checkLastMessage();
}
void History::addCreatedOlderSlice(
const std::vector<not_null<HistoryItem*>> &items) {
startBuildingFrontBlock(items.size());
for (const auto &item : items) {
addItemToBlock(item);
}
finishBuildingFrontBlock();
if (loadedAtBottom()) {
// Add photos to overview and authors to lastAuthors.
addItemsToLists(items);
}
addToSharedMedia(items);
}
void History::addNewerSlice(const QVector<MTPMessage> &slice) {
bool wasLoadedAtBottom = loadedAtBottom();
if (slice.isEmpty()) {
_loadedAtBottom = true;
if (!lastMessage()) {
setLastMessage(lastAvailableMessage());
}
}
if (const auto added = createItems(slice); !added.empty()) {
Assert(!isBuildingFrontBlock());
for (const auto &item : added) {
addItemToBlock(item);
}
addToSharedMedia(added);
} else {
_loadedAtBottom = true;
setLastMessage(lastAvailableMessage());
addEdgesToSharedMedia();
}
if (!wasLoadedAtBottom) {
checkAddAllToUnreadMentions();
}
checkLocalMessages();
checkLastMessage();
}
void History::checkLastMessage() {
if (const auto last = lastMessage()) {
if (!_loadedAtBottom && last->mainView()) {
_loadedAtBottom = true;
checkAddAllToUnreadMentions();
}
} else if (_loadedAtBottom) {
setLastMessage(lastAvailableMessage());
}
}
void History::addItemsToLists(
const std::vector<not_null<HistoryItem*>> &items) {
std::deque<not_null<UserData*>> *lastAuthors = nullptr;
base::flat_set<not_null<PeerData*>> *markupSenders = nullptr;
if (peer->isChat()) {
lastAuthors = &peer->asChat()->lastAuthors;
markupSenders = &peer->asChat()->markupSenders;
} else if (peer->isMegagroup()) {
// We don't add users to mgInfo->lastParticipants here.
// We're scrolling back and we see messages from users that
// could be gone from the megagroup already. It is fine for
// chat->lastAuthors, because they're used only for field
// autocomplete, but this is bad for megagroups, because its
// lastParticipants are displayed in Profile as members list.
markupSenders = &peer->asChannel()->mgInfo->markupSenders;
}
for (const auto &item : ranges::views::reverse(items)) {
item->addToUnreadMentions(UnreadMentionType::Existing);
if (item->from()->id) {
if (lastAuthors) { // chats
if (auto user = item->from()->asUser()) {
if (!base::contains(*lastAuthors, user)) {
lastAuthors->push_back(user);
}
}
}
}
if (item->author()->id) {
if (markupSenders) { // chats with bots
if (!lastKeyboardInited && item->definesReplyKeyboard() && !item->out()) {
const auto markupFlags = item->replyKeyboardFlags();
if (!(markupFlags & ReplyMarkupFlag::Selective) || item->mentionsMe()) {
bool wasKeyboardHide = markupSenders->contains(item->author());
if (!wasKeyboardHide) {
markupSenders->insert(item->author());
}
if (!(markupFlags & ReplyMarkupFlag::None)) {
if (!lastKeyboardInited) {
bool botNotInChat = false;
if (peer->isChat()) {
botNotInChat = (!peer->canWrite() || !peer->asChat()->participants.empty()) && item->author()->isUser() && !peer->asChat()->participants.contains(item->author()->asUser());
} else if (peer->isMegagroup()) {
botNotInChat = (!peer->canWrite() || peer->asChannel()->mgInfo->botStatus != 0) && item->author()->isUser() && !peer->asChannel()->mgInfo->bots.contains(item->author()->asUser());
}
if (wasKeyboardHide || botNotInChat) {
clearLastKeyboard();
} else {
lastKeyboardInited = true;
lastKeyboardId = item->id;
lastKeyboardFrom = item->author()->id;
lastKeyboardUsed = false;
}
}
}
}
}
} else if (!lastKeyboardInited && item->definesReplyKeyboard() && !item->out()) { // conversations with bots
const auto markupFlags = item->replyKeyboardFlags();
if (!(markupFlags & ReplyMarkupFlag::Selective) || item->mentionsMe()) {
if (markupFlags & ReplyMarkupFlag::None) {
clearLastKeyboard();
} else {
lastKeyboardInited = true;
lastKeyboardId = item->id;
lastKeyboardFrom = item->author()->id;
lastKeyboardUsed = false;
}
}
}
}
}
}
void History::checkAddAllToUnreadMentions() {
if (!loadedAtBottom()) {
return;
}
for (const auto &block : blocks) {
for (const auto &message : block->messages) {
const auto item = message->data();
item->addToUnreadMentions(UnreadMentionType::Existing);
}
}
}
void History::addToSharedMedia(
const std::vector<not_null<HistoryItem*>> &items) {
std::vector<MsgId> medias[Storage::kSharedMediaTypeCount];
for (const auto &item : items) {
if (const auto types = item->sharedMediaTypes()) {
for (auto i = 0; i != Storage::kSharedMediaTypeCount; ++i) {
const auto type = static_cast<Storage::SharedMediaType>(i);
if (types.test(type)) {
if (medias[i].empty()) {
medias[i].reserve(items.size());
}
medias[i].push_back(item->id);
}
}
}
}
const auto from = loadedAtTop() ? 0 : minMsgId();
const auto till = loadedAtBottom() ? ServerMaxMsgId : maxMsgId();
for (auto i = 0; i != Storage::kSharedMediaTypeCount; ++i) {
if (!medias[i].empty()) {
const auto type = static_cast<Storage::SharedMediaType>(i);
session().storage().add(Storage::SharedMediaAddSlice(
peer->id,
type,
std::move(medias[i]),
{ from, till }));
if (type == Storage::SharedMediaType::Pinned) {
setHasPinnedMessages(true);
}
}
}
}
void History::calculateFirstUnreadMessage() {
if (!_inboxReadBefore) {
return;
}
_firstUnreadView = nullptr;
if (!unreadCount() || !trackUnreadMessages()) {
return;
}
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &message : ranges::views::reverse(block->messages)) {
const auto item = message->data();
if (!item->isRegular()) {
continue;
} else if (!item->out()) {
if (item->id >= *_inboxReadBefore) {
_firstUnreadView = message.get();
} else {
return;
}
}
}
}
}
bool History::readInboxTillNeedsRequest(MsgId tillId) {
Expects(!tillId || IsServerMsgId(tillId));
readClientSideMessages();
if (unreadMark()) {
owner().histories().changeDialogUnreadMark(this, false);
}
DEBUG_LOG(("Reading: readInboxTillNeedsRequest is_server %1, before %2."
).arg(Logs::b(IsServerMsgId(tillId))
).arg(_inboxReadBefore.value_or(-666).bare));
return IsServerMsgId(tillId) && (_inboxReadBefore.value_or(1) <= tillId);
}
void History::readClientSideMessages() {
auto &histories = owner().histories();
for (const auto &item : _clientSideMessages) {
histories.readClientSideMessage(item);
}
}
bool History::unreadCountRefreshNeeded(MsgId readTillId) const {
return !unreadCountKnown()
|| ((readTillId + 1) > _inboxReadBefore.value_or(0));
}
std::optional<int> History::countStillUnreadLocal(MsgId readTillId) const {
if (isEmpty() || !folderKnown()) {
DEBUG_LOG(("Reading: countStillUnreadLocal unknown %1 and %2.").arg(
Logs::b(isEmpty()),
Logs::b(folderKnown())));
return std::nullopt;
}
if (_inboxReadBefore) {
const auto before = *_inboxReadBefore;
DEBUG_LOG(("Reading: check before %1 with min %2 and max %3."
).arg(before.bare
).arg(minMsgId().bare
).arg(maxMsgId().bare));
if (minMsgId() <= before && maxMsgId() >= readTillId) {
auto result = 0;
for (const auto &block : blocks) {
for (const auto &message : block->messages) {
const auto item = message->data();
if (!item->isRegular()
|| (item->out() && !item->isFromScheduled())) {
continue;
} else if (item->id > readTillId) {
break;
} else if (item->id >= before) {
++result;
}
}
}
DEBUG_LOG(("Reading: check before result %1 with existing %2"
).arg(result
).arg(_unreadCount.value_or(-666)));
if (_unreadCount) {
return std::max(*_unreadCount - result, 0);
}
}
}
const auto minimalServerId = minMsgId();
DEBUG_LOG(("Reading: check at end loaded from %1 loaded %2 - %3").arg(
QString::number(minimalServerId.bare),
Logs::b(loadedAtBottom()),
Logs::b(loadedAtTop())));
if (!loadedAtBottom()
|| (!loadedAtTop() && !minimalServerId)
|| minimalServerId > readTillId) {
return std::nullopt;
}
auto result = 0;
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &message : ranges::views::reverse(block->messages)) {
const auto item = message->data();
if (item->isRegular()) {
if (item->id <= readTillId) {
return result;
} else if (!item->out()) {
++result;
}
}
}
}
DEBUG_LOG(("Reading: check at end counted %1").arg(result));
return result;
}
void History::applyInboxReadUpdate(
FolderId folderId,
MsgId upTo,
int stillUnread,
int32 channelPts) {
const auto folder = folderId ? owner().folderLoaded(folderId) : nullptr;
if (folder && this->folder() != folder) {
// If history folder is unknown or not synced, request both.
owner().histories().requestDialogEntry(this);
owner().histories().requestDialogEntry(folder);
}
if (_inboxReadBefore.value_or(1) <= upTo) {
if (!peer->isChannel() || peer->asChannel()->pts() == channelPts) {
inboxRead(upTo, stillUnread);
} else {
inboxRead(upTo);
}
}
}
void History::inboxRead(MsgId upTo, std::optional<int> stillUnread) {
if (stillUnread.has_value() && folderKnown()) {
setUnreadCount(*stillUnread);
} else if (const auto still = countStillUnreadLocal(upTo)) {
setUnreadCount(*still);
} else {
owner().histories().requestDialogEntry(this);
}
setInboxReadTill(upTo);
updateChatListEntry();
if (const auto to = peer->migrateTo()) {
if (const auto migrated = peer->owner().historyLoaded(to->id)) {
migrated->updateChatListEntry();
}
}
_firstUnreadView = nullptr;
Core::App().notifications().clearIncomingFromHistory(this);
}
void History::inboxRead(not_null<const HistoryItem*> wasRead) {
if (wasRead->isRegular()) {
inboxRead(wasRead->id);
}
}
void History::outboxRead(MsgId upTo) {
setOutboxReadTill(upTo);
if (const auto last = chatListMessage()) {
if (last->out() && last->isRegular() && last->id <= upTo) {
session().changes().messageUpdated(
last,
Data::MessageUpdate::Flag::DialogRowRepaint);
}
}
updateChatListEntry();
session().changes().historyUpdated(this, UpdateFlag::OutboxRead);
}
void History::outboxRead(not_null<const HistoryItem*> wasRead) {
if (wasRead->isRegular()) {
outboxRead(wasRead->id);
}
}
MsgId History::loadAroundId() const {
if (_unreadCount && *_unreadCount > 0 && _inboxReadBefore) {
return *_inboxReadBefore;
}
return MsgId(0);
}
MsgId History::inboxReadTillId() const {
return _inboxReadBefore.value_or(1) - 1;
}
MsgId History::outboxReadTillId() const {
return _outboxReadBefore.value_or(1) - 1;
}
HistoryItem *History::lastAvailableMessage() const {
return isEmpty() ? nullptr : blocks.back()->messages.back()->data().get();
}
int History::unreadCount() const {
return _unreadCount ? *_unreadCount : 0;
}
int History::unreadCountForBadge() const {
const auto result = unreadCount();
return (!result && unreadMark()) ? 1 : result;
}
bool History::unreadCountKnown() const {
return _unreadCount.has_value();
}
void History::setUnreadCount(int newUnreadCount) {
Expects(folderKnown());
if (_unreadCount == newUnreadCount) {
return;
}
const auto wasForBadge = (unreadCountForBadge() > 0);
const auto refresher = gsl::finally([&] {
if (wasForBadge != (unreadCountForBadge() > 0)) {
owner().chatsFilters().refreshHistory(this);
}
session().changes().historyUpdated(this, UpdateFlag::UnreadView);
});
const auto notifier = unreadStateChangeNotifier(true);
_unreadCount = newUnreadCount;
const auto lastOutgoing = [&] {
const auto last = lastMessage();
return last
&& last->isRegular()
&& loadedAtBottom()
&& !isEmpty()
&& blocks.back()->messages.back()->data() == last
&& last->out();
}();
if (newUnreadCount == 1 && !lastOutgoing) {
if (loadedAtBottom()) {
_firstUnreadView = !isEmpty()
? blocks.back()->messages.back().get()
: nullptr;
}
if (const auto last = msgIdForRead()) {
setInboxReadTill(last - 1);
}
} else if (!newUnreadCount) {
_firstUnreadView = nullptr;
if (const auto last = msgIdForRead()) {
setInboxReadTill(last);
}
} else if (!_firstUnreadView && !_unreadBarView && loadedAtBottom()) {
calculateFirstUnreadMessage();
}
}
void History::setUnreadMark(bool unread) {
if (clearUnreadOnClientSide()) {
unread = false;
}
if (_unreadMark == unread) {
return;
}
const auto noUnreadMessages = !unreadCount();
const auto refresher = gsl::finally([&] {
if (inChatList() && noUnreadMessages) {
owner().chatsFilters().refreshHistory(this);
updateChatListEntry();
}
session().changes().historyUpdated(this, UpdateFlag::UnreadView);
});
const auto notifier = unreadStateChangeNotifier(noUnreadMessages);
_unreadMark = unread;
}
bool History::unreadMark() const {
return _unreadMark;
}
void History::setFakeUnreadWhileOpened(bool enabled) {
if (_fakeUnreadWhileOpened == enabled
|| (enabled
&& (!inChatList()
|| (!unreadCount()
&& !unreadMark()
&& !hasUnreadMentions())))) {
return;
}
_fakeUnreadWhileOpened = enabled;
owner().chatsFilters().refreshHistory(this);
}
[[nodiscard]] bool History::fakeUnreadWhileOpened() const {
return _fakeUnreadWhileOpened;
}
bool History::mute() const {
return _mute;
}
bool History::changeMute(bool newMute) {
if (_mute == newMute) {
return false;
}
const auto refresher = gsl::finally([&] {
if (inChatList()) {
owner().chatsFilters().refreshHistory(this);
updateChatListEntry();
}
session().changes().peerUpdated(
peer,
Data::PeerUpdate::Flag::Notifications);
});
const auto notify = (unreadCountForBadge() > 0);
const auto notifier = unreadStateChangeNotifier(notify);
_mute = newMute;
return true;
}
void History::getNextFirstUnreadMessage() {
Expects(_firstUnreadView != nullptr);
const auto block = _firstUnreadView->block();
const auto index = _firstUnreadView->indexInBlock();
const auto setFromMessage = [&](const auto &view) {
if (view->data()->isRegular()) {
_firstUnreadView = view.get();
return true;
}
return false;
};
if (index >= 0) {
const auto count = int(block->messages.size());
for (auto i = index + 1; i != count; ++i) {
const auto &message = block->messages[i];
if (setFromMessage(message)) {
return;
}
}
}
const auto count = int(blocks.size());
for (auto j = block->indexInHistory() + 1; j != count; ++j) {
for (const auto &message : blocks[j]->messages) {
if (setFromMessage(message)) {
return;
}
}
}
_firstUnreadView = nullptr;
}
MsgId History::nextNonHistoryEntryId() {
return owner().nextNonHistoryEntryId();
}
bool History::folderKnown() const {
return _folder.has_value();
}
Data::Folder *History::folder() const {
return _folder.value_or(nullptr);
}
void History::setFolder(
not_null<Data::Folder*> folder,
HistoryItem *folderDialogItem) {
setFolderPointer(folder);
if (folderDialogItem) {
setLastServerMessage(folderDialogItem);
}
}
void History::clearFolder() {
setFolderPointer(nullptr);
}
void History::setFolderPointer(Data::Folder *folder) {
if (_folder == folder) {
return;
}
if (isPinnedDialog(FilterId())) {
owner().setChatPinned(this, FilterId(), false);
}
const auto wasKnown = folderKnown();
const auto wasInList = inChatList();
if (wasInList) {
removeFromChatList(0, owner().chatsList(this->folder()));
}
const auto was = _folder.value_or(nullptr);
_folder = folder;
if (was) {
was->unregisterOne(this);
}
if (wasInList) {
addToChatList(0, owner().chatsList(folder));
owner().chatsFilters().refreshHistory(this);
updateChatListEntry();
owner().chatsListChanged(was);
owner().chatsListChanged(folder);
} else if (!wasKnown) {
updateChatListSortPosition();
}
if (folder) {
folder->registerOne(this);
}
session().changes().historyUpdated(this, UpdateFlag::Folder);
}
void History::applyPinnedUpdate(const MTPDupdateDialogPinned &data) {
const auto folderId = data.vfolder_id().value_or_empty();
if (!folderKnown()) {
if (folderId) {
setFolder(owner().folder(folderId));
} else {
clearFolder();
}
}
owner().setChatPinned(this, FilterId(), data.is_pinned());
}
TimeId History::adjustedChatListTimeId() const {
const auto result = chatListTimeId();
if (const auto draft = cloudDraft()) {
if (!Data::draftIsNull(draft) && !session().supportMode()) {
return std::max(result, draft->date);
}
}
return result;
}
void History::countScrollState(int top) {
std::tie(scrollTopItem, scrollTopOffset) = findItemAndOffset(top);
}
auto History::findItemAndOffset(int top) const -> std::pair<Element*, int> {
if (const auto element = findScrollTopItem(top)) {
return { element, (top - element->block()->y() - element->y()) };
}
return {};
}
auto History::findScrollTopItem(int top) const -> Element* {
if (isEmpty()) {
return nullptr;
}
auto itemIndex = 0;
auto blockIndex = 0;
auto itemTop = 0;
if (scrollTopItem) {
itemIndex = scrollTopItem->indexInBlock();
blockIndex = scrollTopItem->block()->indexInHistory();
itemTop = blocks[blockIndex]->y() + scrollTopItem->y();
}
if (itemTop > top) {
// go backward through history while we don't find an item that starts above
do {
const auto &block = blocks[blockIndex];
for (--itemIndex; itemIndex >= 0; --itemIndex) {
const auto view = block->messages[itemIndex].get();
itemTop = block->y() + view->y();
if (itemTop <= top) {
return view;
}
}
if (--blockIndex >= 0) {
itemIndex = blocks[blockIndex]->messages.size();
} else {
break;
}
} while (true);
return blocks.front()->messages.front().get();
}
// go forward through history while we don't find the last item that starts above
for (auto blocksCount = int(blocks.size()); blockIndex < blocksCount; ++blockIndex) {
const auto &block = blocks[blockIndex];
for (auto itemsCount = int(block->messages.size()); itemIndex < itemsCount; ++itemIndex) {
itemTop = block->y() + block->messages[itemIndex]->y();
if (itemTop > top) {
Assert(itemIndex > 0 || blockIndex > 0);
if (itemIndex > 0) {
return block->messages[itemIndex - 1].get();
}
return blocks[blockIndex - 1]->messages.back().get();
}
}
itemIndex = 0;
}
return blocks.back()->messages.back().get();
}
void History::getNextScrollTopItem(HistoryBlock *block, int32 i) {
++i;
if (i > 0 && i < block->messages.size()) {
scrollTopItem = block->messages[i].get();
return;
}
int j = block->indexInHistory() + 1;
if (j > 0 && j < blocks.size()) {
scrollTopItem = blocks[j]->messages.front().get();
return;
}
scrollTopItem = nullptr;
}
void History::addUnreadBar() {
if (_unreadBarView || !_firstUnreadView || !unreadCount()) {
return;
}
if (const auto count = chatListUnreadCount()) {
_unreadBarView = _firstUnreadView;
_unreadBarView->createUnreadBar(tr::lng_unread_bar_some());
}
}
void History::destroyUnreadBar() {
if (const auto view = base::take(_unreadBarView)) {
view->destroyUnreadBar();
}
}
void History::unsetFirstUnreadMessage() {
_firstUnreadView = nullptr;
}
HistoryView::Element *History::unreadBar() const {
return _unreadBarView;
}
HistoryView::Element *History::firstUnreadMessage() const {
return _firstUnreadView;
}
not_null<HistoryItem*> History::addNewInTheMiddle(
not_null<HistoryItem*> item,
int blockIndex,
int itemIndex) {
Expects(blockIndex >= 0);
Expects(blockIndex < blocks.size());
Expects(itemIndex >= 0);
Expects(itemIndex <= blocks[blockIndex]->messages.size());
const auto &block = blocks[blockIndex];
const auto it = block->messages.insert(
block->messages.begin() + itemIndex,
item->createView(_delegateMixin->delegate()));
(*it)->attachToBlock(block.get(), itemIndex);
if (itemIndex + 1 < block->messages.size()) {
for (auto i = itemIndex + 1, l = int(block->messages.size()); i != l; ++i) {
block->messages[i]->setIndexInBlock(i);
}
block->messages[itemIndex + 1]->previousInBlocksChanged();
} else if (blockIndex + 1 < blocks.size() && !blocks[blockIndex + 1]->messages.empty()) {
blocks[blockIndex + 1]->messages.front()->previousInBlocksChanged();
} else {
(*it)->nextInBlocksRemoved();
}
return item;
}
History *History::migrateSibling() const {
const auto addFromId = [&] {
if (const auto from = peer->migrateFrom()) {
return from->id;
} else if (const auto to = peer->migrateTo()) {
return to->id;
}
return PeerId(0);
}();
return owner().historyLoaded(addFromId);
}
int History::chatListUnreadCount() const {
const auto result = unreadCount();
if (const auto migrated = migrateSibling()) {
return result + migrated->unreadCount();
}
return result;
}
bool History::chatListUnreadMark() const {
if (unreadMark()) {
return true;
} else if (const auto migrated = migrateSibling()) {
return migrated->unreadMark();
}
return false;
}
bool History::chatListMutedBadge() const {
return mute();
}
Dialogs::UnreadState History::chatListUnreadState() const {
auto result = Dialogs::UnreadState();
const auto count = _unreadCount.value_or(0);
const auto mark = !count && _unreadMark;
result.messages = count;
result.messagesMuted = mute() ? count : 0;
result.chats = count ? 1 : 0;
result.chatsMuted = (count && mute()) ? 1 : 0;
result.marks = mark ? 1 : 0;
result.marksMuted = (mark && mute()) ? 1 : 0;
result.known = _unreadCount.has_value();
return result;
}
HistoryItem *History::chatListMessage() const {
return _chatListMessage.value_or(nullptr);
}
bool History::chatListMessageKnown() const {
return _chatListMessage.has_value();
}
const QString &History::chatListName() const {
return peer->name;
}
const QString &History::chatListNameSortKey() const {
return _chatListNameSortKey;
}
void History::refreshChatListNameSortKey() {
_chatListNameSortKey = owner().nameSortKey(peer->name);
}
const base::flat_set<QString> &History::chatListNameWords() const {
return peer->nameWords();
}
const base::flat_set<QChar> &History::chatListFirstLetters() const {
return peer->nameFirstLetters();
}
void History::loadUserpic() {
peer->loadUserpic();
}
void History::paintUserpic(
Painter &p,
std::shared_ptr<Data::CloudImageView> &view,
int x,
int y,
int size) const {
peer->paintUserpic(p, view, x, y, size);
}
void History::startBuildingFrontBlock(int expectedItemsCount) {
Assert(!isBuildingFrontBlock());
Assert(expectedItemsCount > 0);
_buildingFrontBlock = std::make_unique<BuildingBlock>();
_buildingFrontBlock->expectedItemsCount = expectedItemsCount;
}
void History::finishBuildingFrontBlock() {
Expects(isBuildingFrontBlock());
// Some checks if there was some message history already
if (const auto block = base::take(_buildingFrontBlock)->block) {
if (blocks.size() > 1) {
// ... item, item, item, last ], [ first, item, item ...
const auto first = blocks[1]->messages.front().get();
// we've added a new front block, so previous item for
// the old first item of a first block was changed
first->previousInBlocksChanged();
} else {
block->messages.back()->nextInBlocksRemoved();
}
}
}
void History::clearNotifications() {
_notifications.clear();
}
void History::clearIncomingNotifications() {
if (!peer->isSelf()) {
const auto proj = [](ItemNotification notification) {
return notification.item->out();
};
_notifications.erase(
ranges::remove(_notifications, false, proj),
end(_notifications));
}
}
bool History::loadedAtBottom() const {
return _loadedAtBottom;
}
bool History::loadedAtTop() const {
return _loadedAtTop;
}
bool History::isReadyFor(MsgId msgId) {
if (msgId < 0 && -msgId < ServerMaxMsgId && peer->migrateFrom()) {
// Old group history.
return owner().history(peer->migrateFrom()->id)->isReadyFor(-msgId);
}
if (msgId == ShowAtTheEndMsgId) {
return loadedAtBottom();
}
if (msgId == ShowAtUnreadMsgId) {
if (const auto migratePeer = peer->migrateFrom()) {
if (const auto migrated = owner().historyLoaded(migratePeer)) {
if (migrated->unreadCount()) {
return migrated->isReadyFor(msgId);
}
}
}
if (unreadCount() && _inboxReadBefore) {
if (!isEmpty()) {
return (loadedAtTop() || minMsgId() <= *_inboxReadBefore)
&& (loadedAtBottom() || maxMsgId() >= *_inboxReadBefore);
}
return false;
}
return loadedAtBottom();
}
const auto item = owner().message(peer, msgId);
return item && (item->history() == this) && item->mainView();
}
void History::getReadyFor(MsgId msgId) {
if (msgId < 0 && -msgId < ServerMaxMsgId && peer->migrateFrom()) {
const auto migrated = owner().history(peer->migrateFrom()->id);
migrated->getReadyFor(-msgId);
if (migrated->isEmpty()) {
clear(ClearType::Unload);
}
return;
}
if (msgId == ShowAtUnreadMsgId) {
if (const auto migratePeer = peer->migrateFrom()) {
if (const auto migrated = owner().historyLoaded(migratePeer)) {
if (migrated->unreadCount()) {
clear(ClearType::Unload);
migrated->getReadyFor(msgId);
return;
}
}
}
}
if (!isReadyFor(msgId)) {
clear(ClearType::Unload);
if (const auto migratePeer = peer->migrateFrom()) {
if (const auto migrated = owner().historyLoaded(migratePeer)) {
migrated->clear(ClearType::Unload);
}
}
if ((msgId == ShowAtTheEndMsgId)
|| (msgId == ShowAtUnreadMsgId && !unreadCount())) {
_loadedAtBottom = true;
}
}
}
void History::setNotLoadedAtBottom() {
_loadedAtBottom = false;
session().storage().invalidate(
Storage::SharedMediaInvalidateBottom(peer->id));
}
void History::clearSharedMedia() {
session().storage().remove(
Storage::SharedMediaRemoveAll(peer->id));
}
void History::setLastServerMessage(HistoryItem *item) {
_lastServerMessage = item;
if (_lastMessage
&& *_lastMessage
&& !(*_lastMessage)->isRegular()
&& (!item || (*_lastMessage)->date() > item->date())) {
return;
}
setLastMessage(item);
}
void History::setLastMessage(HistoryItem *item) {
if (_lastMessage && *_lastMessage == item) {
return;
}
_lastMessage = item;
if (!item || item->isRegular()) {
_lastServerMessage = item;
}
if (peer->migrateTo()) {
// We don't want to request last message for all deactivated chats.
// This is a heavy request for them, because we need to get last
// two items by messages.getHistory to skip the migration message.
setChatListMessageUnknown();
} else {
setChatListMessageFromLast();
if (!chatListMessageKnown()) {
setFakeChatListMessage();
}
}
}
void History::refreshChatListMessage() {
const auto known = chatListMessageKnown();
setChatListMessageFromLast();
if (known && !_chatListMessage) {
requestChatListMessage();
}
}
void History::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());
// If we have a single message from a group, request the full album.
if (hasOrphanMediaGroupPart()
&& !item->toPreview({
.hideSender = true,
.hideCaption = true }).images.empty()) {
owner().histories().requestGroupAround(item);
}
} else if (!_chatListMessage || *_chatListMessage) {
_chatListMessage = nullptr;
updateChatListEntry();
}
if (const auto folder = this->folder()) {
folder->oneListMessageChanged(was, item);
}
if (const auto to = peer->migrateTo()) {
if (const auto history = owner().historyLoaded(to)) {
if (!history->chatListMessageKnown()) {
history->requestChatListMessage();
}
}
}
}
auto History::computeChatListMessageFromLast() const
-> std::optional<HistoryItem*> {
if (!_lastMessage) {
return _lastMessage;
}
// In migrated groups we want to skip essential message
// about migration in the chats list and display the last
// non-migration message from the original legacy group.
const auto last = lastMessage();
if (!last || !last->isGroupMigrate()) {
return _lastMessage;
}
if (const auto chat = peer->asChat()) {
// In chats we try to take the item before the 'last', which
// is the empty-displayed migration message.
if (!loadedAtBottom()) {
// We don't know the tail of the history.
return std::nullopt;
}
const auto before = [&]() -> HistoryItem* {
for (const auto &block : ranges::views::reverse(blocks)) {
const auto &messages = block->messages;
for (const auto &item : ranges::views::reverse(messages)) {
if (item->data() != last) {
return item->data();
}
}
}
return nullptr;
}();
if (before) {
// We found a message that is not the migration one.
return before;
} else if (loadedAtTop()) {
// No other messages in this history.
return _lastMessage;
}
return std::nullopt;
} else if (const auto from = migrateFrom()) {
// In megagroups we just try to use
// the message from the original group.
return from->chatListMessageKnown()
? std::make_optional(from->chatListMessage())
: std::nullopt;
}
return _lastMessage;
}
void History::setChatListMessageFromLast() {
if (const auto good = computeChatListMessageFromLast()) {
setChatListMessage(*good);
} else {
setChatListMessageUnknown();
}
}
void History::setChatListMessageUnknown() {
if (!_chatListMessage.has_value()) {
return;
}
const auto was = *_chatListMessage;
_chatListMessage = std::nullopt;
if (const auto folder = this->folder()) {
folder->oneListMessageChanged(was, nullptr);
}
}
void History::requestChatListMessage() {
if (!lastMessageKnown()) {
owner().histories().requestDialogEntry(this, [=] {
requestChatListMessage();
});
return;
} else if (chatListMessageKnown()) {
return;
}
setChatListMessageFromLast();
if (!chatListMessageKnown()) {
setFakeChatListMessage();
}
}
void History::setFakeChatListMessage() {
if (const auto chat = peer->asChat()) {
// In chats we try to take the item before the 'last', which
// is the empty-displayed migration message.
owner().histories().requestFakeChatListMessage(this);
} else if (const auto from = migrateFrom()) {
// In megagroups we just try to use
// the message from the original group.
from->requestChatListMessage();
}
}
void History::setFakeChatListMessageFrom(const MTPmessages_Messages &data) {
if (!lastMessageKnown()) {
requestChatListMessage();
return;
}
const auto finalize = gsl::finally([&] {
// Make sure that we have chatListMessage when we get out of here.
if (!chatListMessageKnown()) {
setChatListMessage(lastMessage());
}
});
const auto last = lastMessage();
if (!last || !last->isGroupMigrate()) {
// Last message is good enough.
return;
}
const auto other = data.match([&](
const MTPDmessages_messagesNotModified &) {
return static_cast<const MTPMessage*>(nullptr);
}, [&](const auto &data) {
for (const auto &message : data.vmessages().v) {
const auto id = message.match([](const auto &data) {
return data.vid().v;
});
if (id != last->id) {
return &message;
}
}
return static_cast<const MTPMessage*>(nullptr);
});
if (!other) {
// Other (non equal to the last one) message not found.
return;
}
const auto item = owner().addNewMessage(
*other,
MessageFlags(),
NewMessageType::Existing);
if (!item || item->isGroupMigrate()) {
// Not better than the last one.
return;
}
setChatListMessage(item);
}
void History::applyChatListGroup(
PeerId dataPeerId,
const MTPmessages_Messages &data) {
if (!isEmpty()
|| !_chatListMessage
|| !*_chatListMessage
|| (*_chatListMessage)->history() != this
|| !_lastMessage
|| !*_lastMessage
|| dataPeerId != peer->id) {
return;
}
// Apply loaded album as a last slice.
const auto processMessages = [&](const MTPVector<MTPMessage> &messages) {
auto items = std::vector<not_null<HistoryItem*>>();
items.reserve(messages.v.size());
for (const auto &message : messages.v) {
const auto id = IdFromMessage(message);
if (const auto message = owner().message(dataPeerId, id)) {
items.push_back(message);
}
}
if (!ranges::contains(items, not_null(*_lastMessage))
|| !ranges::contains(items, not_null(*_chatListMessage))) {
return;
}
_loadedAtBottom = true;
ranges::sort(items, ranges::less{}, &HistoryItem::id);
addCreatedOlderSlice(items);
checkLocalMessages();
checkLastMessage();
};
data.match([&](const MTPDmessages_messagesNotModified &) {
}, [&](const auto &data) {
processMessages(data.vmessages());
});
}
HistoryItem *History::lastMessage() const {
return _lastMessage.value_or(nullptr);
}
bool History::lastMessageKnown() const {
return _lastMessage.has_value();
}
HistoryItem *History::lastServerMessage() const {
return _lastServerMessage.value_or(nullptr);
}
bool History::lastServerMessageKnown() const {
return _lastServerMessage.has_value();
}
void History::updateChatListExistence() {
Entry::updateChatListExistence();
}
bool History::useTopPromotion() const {
if (!isTopPromoted()) {
return false;
} else if (const auto channel = peer->asChannel()) {
return !isPinnedDialog(FilterId()) && !channel->amIn();
} else if (const auto user = peer->asUser()) {
return !isPinnedDialog(FilterId()) && user->isBot() && isEmpty();
}
return false;
}
int History::fixedOnTopIndex() const {
return useTopPromotion() ? kTopPromotionFixOnTopIndex : 0;
}
bool History::trackUnreadMessages() const {
if (const auto channel = peer->asChannel()) {
return channel->amIn();
}
return true;
}
bool History::shouldBeInChatList() const {
if (peer->migrateTo() || !folderKnown()) {
return false;
} else if (isPinnedDialog(FilterId())) {
return true;
} else if (const auto channel = peer->asChannel()) {
if (!channel->amIn()) {
return isTopPromoted();
}
} else if (const auto chat = peer->asChat()) {
return chat->amIn()
|| !lastMessageKnown()
|| (lastMessage() != nullptr);
} else if (const auto user = peer->asUser()) {
if (user->isBot() && isTopPromoted()) {
return true;
}
}
return !lastMessageKnown()
|| (lastMessage() != nullptr);
}
void History::unknownMessageDeleted(MsgId messageId) {
if (_inboxReadBefore && messageId >= *_inboxReadBefore) {
owner().histories().requestDialogEntry(this);
}
}
bool History::isServerSideUnread(not_null<const HistoryItem*> item) const {
Expects(item->isRegular());
return item->out()
? (!_outboxReadBefore || (item->id >= *_outboxReadBefore))
: (!_inboxReadBefore || (item->id >= *_inboxReadBefore));
}
void History::applyDialog(
Data::Folder *requestFolder,
const MTPDdialog &data) {
const auto folderId = data.vfolder_id();
const auto folder = !folderId
? requestFolder
: folderId->v
? owner().folder(folderId->v).get()
: nullptr;
applyDialogFields(
folder,
data.vunread_count().v,
data.vread_inbox_max_id().v,
data.vread_outbox_max_id().v);
applyDialogTopMessage(data.vtop_message().v);
setUnreadMark(data.is_unread_mark());
setUnreadMentionsCount(data.vunread_mentions_count().v);
if (const auto channel = peer->asChannel()) {
if (const auto pts = data.vpts()) {
channel->ptsReceived(pts->v);
}
if (!channel->amCreator()) {
const auto topMessageId = FullMsgId(
channel->id,
data.vtop_message().v);
if (const auto item = owner().message(topMessageId)) {
if (item->date() <= channel->date) {
session().api().chatParticipants().requestSelf(channel);
}
}
}
}
owner().applyNotifySetting(
MTP_notifyPeer(data.vpeer()),
data.vnotify_settings());
const auto draft = data.vdraft();
if (draft && draft->type() == mtpc_draftMessage) {
Data::ApplyPeerCloudDraft(
&session(),
peer->id,
draft->c_draftMessage());
}
owner().histories().dialogEntryApplied(this);
}
void History::dialogEntryApplied() {
if (!lastServerMessageKnown()) {
setLastServerMessage(nullptr);
} else if (!lastMessageKnown()) {
setLastMessage(nullptr);
}
if (peer->migrateTo()) {
return;
} else if (!chatListMessageKnown()) {
requestChatListMessage();
return;
}
if (!chatListMessage()) {
clear(ClearType::Unload);
addNewerSlice(QVector<MTPMessage>());
addOlderSlice(QVector<MTPMessage>());
if (const auto channel = peer->asChannel()) {
const auto inviter = channel->inviter;
if (inviter && channel->amIn()) {
if (const auto from = owner().userLoaded(inviter)) {
insertJoinedMessage();
}
}
}
return;
}
if (chatListTimeId() != 0 && loadedAtBottom()) {
if (const auto channel = peer->asChannel()) {
const auto inviter = channel->inviter;
if (inviter
&& chatListTimeId() <= channel->inviteDate
&& channel->amIn()) {
if (const auto from = owner().userLoaded(inviter)) {
insertJoinedMessage();
}
}
}
}
}
void History::cacheTopPromotion(
bool promoted,
const QString &type,
const QString &message) {
const auto changed = (isTopPromoted() != promoted);
cacheTopPromoted(promoted);
if (topPromotionType() != type || _topPromotedMessage != message) {
_topPromotedType = type;
_topPromotedMessage = message;
cloudDraftTextCache.clear();
} else if (changed) {
cloudDraftTextCache.clear();
}
}
QStringView History::topPromotionType() const {
return topPromotionAboutShown()
? base::StringViewMid(_topPromotedType, 5)
: QStringView(_topPromotedType);
}
bool History::topPromotionAboutShown() const {
return _topPromotedType.startsWith("seen^");
}
void History::markTopPromotionAboutShown() {
if (!topPromotionAboutShown()) {
_topPromotedType = "seen^" + _topPromotedType;
}
}
QString History::topPromotionMessage() const {
return _topPromotedMessage;
}
bool History::clearUnreadOnClientSide() const {
if (!session().supportMode()) {
return false;
}
if (const auto user = peer->asUser()) {
if (user->isInaccessible()) {
return true;
}
}
return false;
}
bool History::skipUnreadUpdate() const {
return clearUnreadOnClientSide();
}
void History::applyDialogFields(
Data::Folder *folder,
int unreadCount,
MsgId maxInboxRead,
MsgId maxOutboxRead) {
if (folder) {
setFolder(folder);
} else {
clearFolder();
}
if (!skipUnreadUpdate()
&& maxInboxRead + 1 >= _inboxReadBefore.value_or(1)) {
setUnreadCount(unreadCount);
setInboxReadTill(maxInboxRead);
}
setOutboxReadTill(maxOutboxRead);
}
void History::applyDialogTopMessage(MsgId topMessageId) {
if (topMessageId) {
const auto itemId = FullMsgId(peer->id, topMessageId);
if (const auto item = owner().message(itemId)) {
setLastServerMessage(item);
} else {
setLastServerMessage(nullptr);
}
} else {
setLastServerMessage(nullptr);
}
if (clearUnreadOnClientSide()) {
setUnreadCount(0);
if (const auto last = lastMessage()) {
setInboxReadTill(last->id);
}
}
}
void History::setInboxReadTill(MsgId upTo) {
if (_inboxReadBefore) {
accumulate_max(*_inboxReadBefore, upTo + 1);
} else {
_inboxReadBefore = upTo + 1;
}
}
void History::setOutboxReadTill(MsgId upTo) {
if (_outboxReadBefore) {
accumulate_max(*_outboxReadBefore, upTo + 1);
} else {
_outboxReadBefore = upTo + 1;
}
}
MsgId History::minMsgId() const {
for (const auto &block : blocks) {
for (const auto &message : block->messages) {
const auto item = message->data();
if (item->isRegular()) {
return item->id;
}
}
}
return 0;
}
MsgId History::maxMsgId() const {
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &message : ranges::views::reverse(block->messages)) {
const auto item = message->data();
if (item->isRegular()) {
return item->id;
}
}
}
return 0;
}
MsgId History::msgIdForRead() const {
const auto last = lastMessage();
const auto result = (last && last->isRegular())
? last->id
: MsgId(0);
return loadedAtBottom()
? std::max(result, maxMsgId())
: result;
}
HistoryItem *History::lastEditableMessage() const {
if (!loadedAtBottom()) {
return nullptr;
}
const auto now = base::unixtime::now();
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &message : ranges::views::reverse(block->messages)) {
const auto item = message->data();
if (item->allowsEdit(now)) {
return owner().groups().findItemToEdit(item);
}
}
}
return nullptr;
}
void History::resizeToWidth(int newWidth) {
const auto resizeAllItems = (_width != newWidth);
if (!resizeAllItems && !hasPendingResizedItems()) {
return;
}
_flags &= ~(Flag::f_has_pending_resized_items);
_width = newWidth;
int y = 0;
for (const auto &block : blocks) {
block->setY(y);
y += block->resizeGetHeight(newWidth, resizeAllItems);
}
_height = y;
}
void History::forceFullResize() {
_width = 0;
_flags |= Flag::f_has_pending_resized_items;
}
not_null<History*> History::migrateToOrMe() const {
if (const auto to = peer->migrateTo()) {
return owner().history(to);
}
// We could get it by owner().history(peer), but we optimize.
return const_cast<History*>(this);
}
History *History::migrateFrom() const {
if (const auto from = peer->migrateFrom()) {
return owner().history(from);
}
return nullptr;
}
MsgRange History::rangeForDifferenceRequest() const {
auto fromId = MsgId(0);
auto toId = MsgId(0);
for (const auto &block : blocks) {
for (const auto &item : block->messages) {
const auto id = item->data()->id;
if (id > 0) {
fromId = id;
break;
}
}
if (fromId) break;
}
if (fromId) {
for (auto blockIndex = blocks.size(); blockIndex > 0;) {
const auto &block = blocks[--blockIndex];
for (auto itemIndex = block->messages.size(); itemIndex > 0;) {
const auto id = block->messages[--itemIndex]->data()->id;
if (id > 0) {
toId = id;
break;
}
}
if (toId) break;
}
return { fromId, toId + 1 };
}
return MsgRange();
}
HistoryService *History::insertJoinedMessage() {
const auto channel = peer->asChannel();
if (!channel
|| _joinedMessage
|| !channel->amIn()
|| (peer->isMegagroup()
&& channel->mgInfo->joinedMessageFound)) {
return _joinedMessage;
}
const auto inviter = (channel->inviter.bare > 0)
? owner().userLoaded(channel->inviter)
: nullptr;
if (!inviter) {
return nullptr;
}
if (peer->isMegagroup()
&& peer->migrateFrom()
&& !blocks.empty()
&& blocks.front()->messages.front()->data()->id == 1) {
channel->mgInfo->joinedMessageFound = true;
return nullptr;
}
_joinedMessage = GenerateJoinedMessage(
this,
channel->inviteDate,
inviter,
channel->inviteViaRequest);
insertMessageToBlocks(_joinedMessage);
return _joinedMessage;
}
void History::insertMessageToBlocks(not_null<HistoryItem*> item) {
Expects(item->mainView() == nullptr);
if (isEmpty()) {
addNewToBack(item, false);
return;
}
const auto itemDate = item->date();
for (auto blockIndex = blocks.size(); blockIndex > 0;) {
const auto &block = blocks[--blockIndex];
for (auto itemIndex = block->messages.size(); itemIndex > 0;) {
if (block->messages[--itemIndex]->data()->date() <= itemDate) {
++itemIndex;
addNewInTheMiddle(item, blockIndex, itemIndex);
const auto lastDate = chatListTimeId();
if (!lastDate || itemDate >= lastDate) {
setLastMessage(item);
}
return;
}
}
}
startBuildingFrontBlock();
addItemToBlock(item);
finishBuildingFrontBlock();
}
void History::checkLocalMessages() {
if (isEmpty() && (!loadedAtTop() || !loadedAtBottom())) {
return;
}
const auto firstDate = loadedAtTop()
? 0
: blocks.front()->messages.front()->data()->date();
const auto lastDate = loadedAtBottom()
? std::numeric_limits<TimeId>::max()
: blocks.back()->messages.back()->data()->date();
const auto goodDate = [&](TimeId date) {
return (date >= firstDate && date < lastDate);
};
for (const auto &item : _clientSideMessages) {
if (!item->mainView() && goodDate(item->date())) {
insertMessageToBlocks(item);
}
}
if (peer->isChannel()
&& !_joinedMessage
&& peer->asChannel()->inviter
&& goodDate(peer->asChannel()->inviteDate)) {
insertJoinedMessage();
}
}
void History::removeJoinedMessage() {
if (_joinedMessage) {
_joinedMessage->destroy();
}
}
void History::reactionsEnabledChanged(bool enabled) {
if (!enabled) {
for (const auto &item : _messages) {
item->updateReactions(nullptr);
}
} else {
for (const auto &item : _messages) {
item->updateReactionsUnknown();
}
}
}
bool History::isEmpty() const {
return blocks.empty();
}
bool History::isDisplayedEmpty() const {
if (!loadedAtTop() || !loadedAtBottom()) {
return false;
}
const auto first = findFirstNonEmpty();
if (!first) {
return true;
}
const auto chat = peer->asChat();
if (!chat || !chat->amCreator()) {
return false;
}
// For legacy chats we want to show the chat with only
// messages about you creating the group and maybe about you
// changing the group photo as an empty chat with
// a nice information about the group features.
if (nonEmptyCountMoreThan(2)) {
return false;
}
const auto isChangePhoto = [](not_null<HistoryItem*> item) {
if (const auto media = item->media()) {
return (media->photo() != nullptr) && item->isService();
}
return false;
};
const auto last = findLastNonEmpty();
if (first == last) {
return first->data()->isGroupEssential()
|| isChangePhoto(first->data());
}
return first->data()->isGroupEssential() && isChangePhoto(last->data());
}
auto History::findFirstNonEmpty() const -> Element* {
for (const auto &block : blocks) {
for (const auto &element : block->messages) {
if (!element->data()->isEmpty()) {
return element.get();
}
}
}
return nullptr;
}
auto History::findFirstDisplayed() const -> Element* {
for (const auto &block : blocks) {
for (const auto &element : block->messages) {
if (!element->data()->isEmpty() && !element->isHidden()) {
return element.get();
}
}
}
return nullptr;
}
auto History::findLastNonEmpty() const -> Element* {
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &element : ranges::views::reverse(block->messages)) {
if (!element->data()->isEmpty()) {
return element.get();
}
}
}
return nullptr;
}
auto History::findLastDisplayed() const -> Element* {
for (const auto &block : ranges::views::reverse(blocks)) {
for (const auto &element : ranges::views::reverse(block->messages)) {
if (!element->data()->isEmpty() && !element->isHidden()) {
return element.get();
}
}
}
return nullptr;
}
bool History::nonEmptyCountMoreThan(int count) const {
Expects(count >= 0);
for (const auto &block : blocks) {
for (const auto &element : block->messages) {
if (!element->data()->isEmpty()) {
if (!count--) {
return true;
}
}
}
}
return false;
}
bool History::hasOrphanMediaGroupPart() const {
if (loadedAtTop() || !loadedAtBottom()) {
return false;
} else if (blocks.size() != 1) {
return false;
} else if (blocks.front()->messages.size() != 1) {
return false;
}
const auto last = blocks.front()->messages.front()->data();
return last->groupId() != MessageGroupId();
}
bool History::removeOrphanMediaGroupPart() {
if (hasOrphanMediaGroupPart()) {
clear(ClearType::Unload);
return true;
}
return false;
}
std::vector<MsgId> History::collectMessagesFromParticipantToDelete(
not_null<PeerData*> participant) const {
auto result = std::vector<MsgId>();
for (const auto &block : blocks) {
for (const auto &message : block->messages) {
const auto item = message->data();
if (item->from() == participant && item->canDelete()) {
result.push_back(item->id);
}
}
}
return result;
}
void History::clear(ClearType type) {
_unreadBarView = nullptr;
_firstUnreadView = nullptr;
removeJoinedMessage();
forgetScrollState();
blocks.clear();
owner().notifyHistoryUnloaded(this);
lastKeyboardInited = false;
if (type == ClearType::Unload) {
_loadedAtTop = _loadedAtBottom = false;
} else {
// Leave the 'sending' messages in local messages.
auto local = base::flat_set<not_null<HistoryItem*>>();
for (const auto &item : _clientSideMessages) {
if (!item->isSending()) {
local.emplace(item);
}
}
for (const auto &item : local) {
item->destroy();
}
_notifications.clear();
owner().notifyHistoryCleared(this);
if (unreadCountKnown()) {
setUnreadCount(0);
}
if (type == ClearType::DeleteChat) {
setLastServerMessage(nullptr);
} else if (_lastMessage && *_lastMessage) {
if ((*_lastMessage)->isRegular()) {
(*_lastMessage)->applyEditionToHistoryCleared();
} else {
_lastMessage = std::nullopt;
}
}
const auto tillId = (_lastMessage && *_lastMessage)
? (*_lastMessage)->id
: std::numeric_limits<MsgId>::max();
clearUpTill(tillId);
if (blocks.empty() && _lastMessage && *_lastMessage) {
addItemToBlock(*_lastMessage);
}
_loadedAtTop = _loadedAtBottom = _lastMessage.has_value();
clearSharedMedia();
clearLastKeyboard();
}
if (const auto chat = peer->asChat()) {
chat->lastAuthors.clear();
chat->markupSenders.clear();
} else if (const auto channel = peer->asMegagroup()) {
channel->mgInfo->markupSenders.clear();
}
owner().notifyHistoryChangeDelayed(this);
owner().sendHistoryChangeNotifications();
}
void History::clearUpTill(MsgId availableMinId) {
auto remove = std::vector<not_null<HistoryItem*>>();
remove.reserve(_messages.size());
for (const auto &item : _messages) {
const auto itemId = item->id;
if (!item->isRegular()) {
continue;
} else if (itemId == availableMinId) {
item->applyEditionToHistoryCleared();
} else if (itemId < availableMinId) {
remove.push_back(item.get());
}
}
for (const auto item : remove) {
item->destroy();
}
requestChatListMessage();
}
void History::applyGroupAdminChanges(const base::flat_set<UserId> &changes) {
for (const auto &block : blocks) {
for (const auto &message : block->messages) {
message->applyGroupAdminChanges(changes);
}
}
}
void History::changedChatListPinHook() {
session().changes().historyUpdated(this, UpdateFlag::IsPinned);
}
void History::removeBlock(not_null<HistoryBlock*> block) {
Expects(block->messages.empty());
if (_buildingFrontBlock && block == _buildingFrontBlock->block) {
_buildingFrontBlock->block = nullptr;
}
int index = block->indexInHistory();
blocks.erase(blocks.begin() + index);
if (index < blocks.size()) {
for (int i = index, l = blocks.size(); i < l; ++i) {
blocks[i]->setIndexInHistory(i);
}
blocks[index]->messages.front()->previousInBlocksChanged();
} else if (!blocks.empty() && !blocks.back()->messages.empty()) {
blocks.back()->messages.back()->nextInBlocksRemoved();
}
}
bool History::hasPinnedMessages() const {
return _hasPinnedMessages;
}
void History::setHasPinnedMessages(bool has) {
_hasPinnedMessages = has;
session().changes().historyUpdated(this, UpdateFlag::PinnedMessages);
}
History::~History() = default;
HistoryBlock::HistoryBlock(not_null<History*> history)
: _history(history) {
}
int HistoryBlock::resizeGetHeight(int newWidth, bool resizeAllItems) {
auto y = 0;
for (const auto &message : messages) {
message->setY(y);
if (resizeAllItems || message->pendingResize()) {
y += message->resizeGetHeight(newWidth);
} else {
y += message->height();
}
}
_height = y;
return _height;
}
void HistoryBlock::remove(not_null<Element*> view) {
Expects(view->block() == this);
_history->mainViewRemoved(this, view);
const auto blockIndex = indexInHistory();
const auto itemIndex = view->indexInBlock();
const auto item = view->data();
item->clearMainView();
messages.erase(messages.begin() + itemIndex);
for (auto i = itemIndex, l = int(messages.size()); i < l; ++i) {
messages[i]->setIndexInBlock(i);
}
if (messages.empty()) {
// Deletes this.
_history->removeBlock(this);
} else if (itemIndex < messages.size()) {
messages[itemIndex]->previousInBlocksChanged();
} else if (blockIndex + 1 < _history->blocks.size()) {
_history->blocks[blockIndex + 1]->messages.front()->previousInBlocksChanged();
} else if (!_history->blocks.empty() && !_history->blocks.back()->messages.empty()) {
_history->blocks.back()->messages.back()->nextInBlocksRemoved();
}
}
void HistoryBlock::refreshView(not_null<Element*> view) {
Expects(view->block() == this);
const auto item = view->data();
auto refreshed = item->createView(
_history->delegateMixin()->delegate(),
view);
auto blockIndex = indexInHistory();
auto itemIndex = view->indexInBlock();
_history->viewReplaced(view, refreshed.get());
messages[itemIndex] = std::move(refreshed);
messages[itemIndex]->attachToBlock(this, itemIndex);
if (itemIndex + 1 < messages.size()) {
messages[itemIndex + 1]->previousInBlocksChanged();
} else if (blockIndex + 1 < _history->blocks.size()) {
_history->blocks[blockIndex + 1]->messages.front()->previousInBlocksChanged();
} else if (!_history->blocks.empty() && !_history->blocks.back()->messages.empty()) {
_history->blocks.back()->messages.back()->nextInBlocksRemoved();
}
}
HistoryBlock::~HistoryBlock() = default;