2020-06-12 12:12:34 +00:00
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "data/data_changes.h"
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#include "main/main_session.h"
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namespace Data {
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template <typename DataType, typename UpdateType>
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void Changes::Manager<DataType, UpdateType>::updated(
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not_null<DataType*> data,
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2020-06-12 14:09:04 +00:00
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Flags flags,
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bool dropScheduled) {
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2020-06-12 12:12:34 +00:00
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sendRealtimeNotifications(data, flags);
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2020-06-12 14:09:04 +00:00
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if (dropScheduled) {
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const auto i = _updates.find(data);
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if (i != _updates.end()) {
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flags |= i->second;
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_updates.erase(i);
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}
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_stream.fire({ data, flags });
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} else {
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_updates[data] |= flags;
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}
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2020-06-12 12:12:34 +00:00
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}
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template <typename DataType, typename UpdateType>
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void Changes::Manager<DataType, UpdateType>::sendRealtimeNotifications(
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not_null<DataType*> data,
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Flags flags) {
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auto clearRealtime = false;
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for (auto i = 0; i != kCount; ++i) {
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const auto flag = static_cast<Flag>(1U << i);
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if (flags & flag) {
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_realtimeStreams[i].fire({ data, flags });
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}
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}
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}
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template <typename DataType, typename UpdateType>
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rpl::producer<UpdateType> Changes::Manager<DataType, UpdateType>::updates(
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Flags flags) const {
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return _stream.events(
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) | rpl::filter([=](const UpdateType &update) {
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return (update.flags & flags);
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});
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}
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template <typename DataType, typename UpdateType>
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rpl::producer<UpdateType> Changes::Manager<DataType, UpdateType>::updates(
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not_null<DataType*> data,
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Flags flags) const {
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return _stream.events(
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) | rpl::filter([=](const UpdateType &update) {
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const auto [updateData, updateFlags] = update;
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return (updateData == data) && (updateFlags & flags);
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});
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}
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template <typename DataType, typename UpdateType>
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auto Changes::Manager<DataType, UpdateType>::realtimeUpdates(Flag flag) const
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-> rpl::producer<UpdateType> {
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2020-06-11 17:40:27 +00:00
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return _realtimeStreams[details::CountBit(flag)].events();
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2020-06-12 12:12:34 +00:00
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}
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template <typename DataType, typename UpdateType>
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rpl::producer<UpdateType> Changes::Manager<DataType, UpdateType>::flagsValue(
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not_null<DataType*> data,
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Flags flags) const {
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return rpl::single(
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UpdateType{ data, flags }
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) | rpl::then(updates(data, flags));
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}
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template <typename DataType, typename UpdateType>
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void Changes::Manager<DataType, UpdateType>::sendNotifications() {
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for (const auto [data, flags] : base::take(_updates)) {
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_stream.fire({ data, flags });
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}
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}
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Changes::Changes(not_null<Main::Session*> session) : _session(session) {
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}
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Main::Session &Changes::session() const {
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return *_session;
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}
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void Changes::nameUpdated(
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not_null<PeerData*> peer,
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base::flat_set<QChar> oldFirstLetters) {
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_nameStream.fire({ peer, std::move(oldFirstLetters) });
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}
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rpl::producer<NameUpdate> Changes::realtimeNameUpdates() const {
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return _nameStream.events();
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}
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rpl::producer<NameUpdate> Changes::realtimeNameUpdates(
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not_null<PeerData*> peer) const {
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return _nameStream.events() | rpl::filter([=](const NameUpdate &update) {
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return (update.peer == peer);
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});
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}
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void Changes::peerUpdated(not_null<PeerData*> peer, PeerUpdate::Flags flags) {
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_peerChanges.updated(peer, flags);
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scheduleNotifications();
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}
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rpl::producer<PeerUpdate> Changes::peerUpdates(
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PeerUpdate::Flags flags) const {
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return _peerChanges.updates(flags);
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}
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rpl::producer<PeerUpdate> Changes::peerUpdates(
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not_null<PeerData*> peer,
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PeerUpdate::Flags flags) const {
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return _peerChanges.updates(peer, flags);
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}
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rpl::producer<PeerUpdate> Changes::peerFlagsValue(
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not_null<PeerData*> peer,
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PeerUpdate::Flags flags) const {
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return _peerChanges.flagsValue(peer, flags);
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}
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rpl::producer<PeerUpdate> Changes::realtimePeerUpdates(
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PeerUpdate::Flag flag) const {
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return _peerChanges.realtimeUpdates(flag);
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}
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void Changes::historyUpdated(
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not_null<History*> history,
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HistoryUpdate::Flags flags) {
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_historyChanges.updated(history, flags);
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scheduleNotifications();
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}
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rpl::producer<HistoryUpdate> Changes::historyUpdates(
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HistoryUpdate::Flags flags) const {
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return _historyChanges.updates(flags);
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}
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rpl::producer<HistoryUpdate> Changes::historyUpdates(
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not_null<History*> history,
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HistoryUpdate::Flags flags) const {
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return _historyChanges.updates(history, flags);
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}
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rpl::producer<HistoryUpdate> Changes::historyFlagsValue(
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not_null<History*> history,
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HistoryUpdate::Flags flags) const {
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return _historyChanges.flagsValue(history, flags);
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}
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2020-06-12 14:09:04 +00:00
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rpl::producer<HistoryUpdate> Changes::realtimeHistoryUpdates(
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HistoryUpdate::Flag flag) const {
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return _historyChanges.realtimeUpdates(flag);
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}
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void Changes::messageUpdated(
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not_null<HistoryItem*> item,
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MessageUpdate::Flags flags) {
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const auto drop = (flags & MessageUpdate::Flag::Destroyed);
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_messageChanges.updated(item, flags, drop);
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if (!drop) {
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scheduleNotifications();
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}
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}
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rpl::producer<MessageUpdate> Changes::messageUpdates(
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MessageUpdate::Flags flags) const {
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return _messageChanges.updates(flags);
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}
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rpl::producer<MessageUpdate> Changes::messageUpdates(
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not_null<HistoryItem*> item,
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MessageUpdate::Flags flags) const {
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return _messageChanges.updates(item, flags);
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}
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rpl::producer<MessageUpdate> Changes::messageFlagsValue(
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not_null<HistoryItem*> item,
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MessageUpdate::Flags flags) const {
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return _messageChanges.flagsValue(item, flags);
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}
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rpl::producer<MessageUpdate> Changes::realtimeMessageUpdates(
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MessageUpdate::Flag flag) const {
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return _messageChanges.realtimeUpdates(flag);
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}
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void Changes::entryUpdated(
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not_null<Dialogs::Entry*> entry,
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EntryUpdate::Flags flags) {
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_entryChanges.updated(entry, flags);
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scheduleNotifications();
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}
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rpl::producer<EntryUpdate> Changes::entryUpdates(
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EntryUpdate::Flags flags) const {
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return _entryChanges.updates(flags);
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}
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rpl::producer<EntryUpdate> Changes::entryUpdates(
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not_null<Dialogs::Entry*> entry,
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EntryUpdate::Flags flags) const {
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return _entryChanges.updates(entry, flags);
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}
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rpl::producer<EntryUpdate> Changes::entryFlagsValue(
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not_null<Dialogs::Entry*> entry,
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EntryUpdate::Flags flags) const {
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return _entryChanges.flagsValue(entry, flags);
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}
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rpl::producer<EntryUpdate> Changes::realtimeEntryUpdates(
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EntryUpdate::Flag flag) const {
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return _entryChanges.realtimeUpdates(flag);
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}
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2020-06-12 12:12:34 +00:00
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void Changes::scheduleNotifications() {
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if (!_notify) {
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_notify = true;
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crl::on_main(&session(), [=] {
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sendNotifications();
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});
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}
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}
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void Changes::sendNotifications() {
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if (!_notify) {
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return;
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}
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_notify = false;
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_peerChanges.sendNotifications();
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_historyChanges.sendNotifications();
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2020-06-12 14:09:04 +00:00
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_messageChanges.sendNotifications();
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_entryChanges.sendNotifications();
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2020-06-12 12:12:34 +00:00
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}
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} // namespace Data
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