117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <rpl/producer.h>
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#include <rpl/filter.h>
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#include <rpl/then.h>
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#include <rpl/range.h>
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#include "base/observer.h"
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#include "base/flags.h"
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namespace Notify {
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// Generic notifications about updates of some PeerData.
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// You can subscribe to them by Notify::registerPeerObserver().
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// 0x0000FFFFU for general peer updates (valid for any peer).
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// 0xFFFF0000U for specific peer updates (valid for user / chat / channel).
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struct PeerUpdate {
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PeerUpdate(PeerData *updated = nullptr) : peer(updated) {
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}
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PeerData *peer;
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enum class Flag : uint32 {
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None = 0,
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// Common flags
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NameChanged = (1 << 0),
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UsernameChanged = (1 << 1),
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PhotoChanged = (1 << 2),
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AboutChanged = (1 << 3),
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NotificationsEnabled = (1 << 4),
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MigrationChanged = (1 << 6),
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ChatPinnedChanged = (1 << 7),
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UnavailableReasonChanged = (1 << 8),
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UnreadViewChanged = (1 << 9),
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PinnedMessageChanged = (1 << 10),
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// For chats and channels
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InviteLinkChanged = (1 << 11),
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MembersChanged = (1 << 12),
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AdminsChanged = (1 << 13),
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BannedUsersChanged = (1 << 14),
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UnreadMentionsChanged = (1 << 15),
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RightsChanged = (1 << 16),
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// For users
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UserCanShareContact = (1 << 17),
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UserIsContact = (1 << 18),
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UserPhoneChanged = (1 << 19),
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UserIsBlocked = (1 << 20),
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BotCommandsChanged = (1 << 21),
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UserOnlineChanged = (1 << 22),
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BotCanAddToGroups = (1 << 23),
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UserCommonChatsChanged = (1 << 24),
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UserHasCalls = (1 << 25),
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UserOccupiedChanged = (1 << 26),
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UserSupportInfoChanged = (1 << 27),
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// For channels
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ChannelAmIn = (1 << 17),
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ChannelStickersChanged = (1 << 18),
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ChannelPromotedChanged = (1 << 19),
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};
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using Flags = base::flags<Flag>;
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friend inline constexpr auto is_flag_type(Flag) { return true; }
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Flags flags = 0;
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// NameChanged data
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base::flat_set<QChar> oldNameFirstLetters;
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};
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void peerUpdatedDelayed(const PeerUpdate &update);
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inline void peerUpdatedDelayed(PeerData *peer, PeerUpdate::Flags events) {
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PeerUpdate update(peer);
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update.flags = events;
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peerUpdatedDelayed(update);
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}
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void peerUpdatedSendDelayed();
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class PeerUpdatedHandler {
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public:
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template <typename Lambda>
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PeerUpdatedHandler(PeerUpdate::Flags events, Lambda &&handler) : _events(events), _handler(std::move(handler)) {
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}
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void operator()(const PeerUpdate &update) const {
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if (update.flags & _events) {
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_handler(update);
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}
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}
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private:
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PeerUpdate::Flags _events;
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Fn<void(const PeerUpdate&)> _handler;
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};
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base::Observable<PeerUpdate, PeerUpdatedHandler> &PeerUpdated();
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rpl::producer<PeerUpdate> PeerUpdateViewer(
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PeerUpdate::Flags flags);
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rpl::producer<PeerUpdate> PeerUpdateViewer(
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not_null<PeerData*> peer,
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PeerUpdate::Flags flags);
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rpl::producer<PeerUpdate> PeerUpdateValue(
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not_null<PeerData*> peer,
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PeerUpdate::Flags flags);
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} // namespace Notify
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