mirror of
https://github.com/telegramdesktop/tdesktop
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08167a6a91
Currently the build without implicitly included precompiled header is not supported anyway (because Qt MOC source files do not include stdafx.h, they include plain headers). So when we decide to support building without implicitly included precompiled headers we'll have to fix all the headers anyway.
120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "observer_peer.h"
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#include "core/observer.h"
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namespace App {
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// Temp forward declaration (while all peer updates are not done through observers).
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void emitPeerUpdated();
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} // namespace App
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namespace Notify {
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namespace {
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using SmallUpdatesList = QVector<PeerUpdate>;
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NeverFreedPointer<SmallUpdatesList> SmallUpdates;
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using AllUpdatesList = QMap<PeerData*, PeerUpdate>;
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NeverFreedPointer<AllUpdatesList> AllUpdates;
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void StartCallback() {
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SmallUpdates.createIfNull();
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AllUpdates.createIfNull();
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}
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void FinishCallback() {
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SmallUpdates.clear();
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AllUpdates.clear();
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}
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base::Observable<PeerUpdate, PeerUpdatedHandler> PeerUpdatedObservable;
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} // namespace
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void mergePeerUpdate(PeerUpdate &mergeTo, const PeerUpdate &mergeFrom) {
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if (!(mergeTo.flags & PeerUpdate::Flag::NameChanged)) {
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if (mergeFrom.flags & PeerUpdate::Flag::NameChanged) {
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mergeTo.oldNames = mergeFrom.oldNames;
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mergeTo.oldNameFirstChars = mergeFrom.oldNameFirstChars;
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}
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}
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if (mergeFrom.flags & PeerUpdate::Flag::SharedMediaChanged) {
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mergeTo.mediaTypesMask |= mergeFrom.mediaTypesMask;
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}
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mergeTo.flags |= mergeFrom.flags;
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}
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void peerUpdatedDelayed(const PeerUpdate &update) {
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SmallUpdates.createIfNull();
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AllUpdates.createIfNull();
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Global::RefHandleDelayedPeerUpdates().call();
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int existingUpdatesCount = SmallUpdates->size();
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for (int i = 0; i < existingUpdatesCount; ++i) {
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auto &existingUpdate = (*SmallUpdates)[i];
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if (existingUpdate.peer == update.peer) {
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mergePeerUpdate(existingUpdate, update);
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return;
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}
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}
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if (AllUpdates->isEmpty()) {
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if (existingUpdatesCount < 5) {
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SmallUpdates->push_back(update);
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} else {
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AllUpdates->insert(update.peer, update);
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}
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} else {
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auto it = AllUpdates->find(update.peer);
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if (it != AllUpdates->cend()) {
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mergePeerUpdate(it.value(), update);
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return;
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}
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AllUpdates->insert(update.peer, update);
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}
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}
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void peerUpdatedSendDelayed() {
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App::emitPeerUpdated();
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if (!SmallUpdates || !AllUpdates || SmallUpdates->empty()) return;
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auto smallList = base::take(*SmallUpdates);
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auto allList = base::take(*AllUpdates);
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for (auto &update : smallList) {
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PeerUpdated().notify(std::move(update), true);
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}
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for (auto &update : allList) {
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PeerUpdated().notify(std::move(update), true);
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}
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if (SmallUpdates->isEmpty()) {
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std::swap(smallList, *SmallUpdates);
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SmallUpdates->resize(0);
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}
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}
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base::Observable<PeerUpdate, PeerUpdatedHandler> &PeerUpdated() {
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return PeerUpdatedObservable;
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}
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} // namespace Notify
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