tdesktop/Telegram/SourceFiles/data/data_changes.h

287 lines
7.4 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
*/
#pragma once
#include "base/flags.h"
class History;
class PeerData;
class HistoryItem;
namespace Dialogs {
class Entry;
} // namespace Dialogs
namespace Data {
namespace details {
template <typename Flag>
inline constexpr int CountBit(Flag Last = Flag::LastUsedBit) {
auto i = 0;
while ((1ULL << i) != static_cast<uint64>(Last)) {
++i;
Assert(i != 64);
}
return (i + 1);
}
} // namespace details
struct NameUpdate {
NameUpdate(
not_null<PeerData*> peer,
base::flat_set<QChar> oldFirstLetters)
: peer(peer)
, oldFirstLetters(std::move(oldFirstLetters)) {
}
not_null<PeerData*> peer;
base::flat_set<QChar> oldFirstLetters;
};
struct PeerUpdate {
enum class Flag : uint32 {
None = 0,
// Common flags
Name = (1 << 0),
Username = (1 << 1),
Photo = (1 << 2),
About = (1 << 3),
Notifications = (1 << 4),
Migration = (1 << 5),
UnavailableReason = (1 << 6),
PinnedMessages = (1 << 7),
IsBlocked = (1 << 8),
// For users
CanShareContact = (1 << 9),
IsContact = (1 << 10),
PhoneNumber = (1 << 11),
OnlineStatus = (1 << 12),
BotCommands = (1 << 13),
BotCanBeInvited = (1 << 14),
BotStartToken = (1 << 15),
CommonChats = (1 << 16),
HasCalls = (1 << 17),
SupportInfo = (1 << 18),
IsBot = (1 << 19),
// For chats and channels
InviteLink = (1 << 20),
Members = (1 << 21),
Admins = (1 << 22),
BannedUsers = (1 << 23),
Rights = (1 << 24),
// For channels
ChannelAmIn = (1 << 25),
StickersSet = (1 << 26),
ChannelLinkedChat = (1 << 27),
ChannelLocation = (1 << 28),
Slowmode = (1 << 29),
GroupCall = (1 << 30),
// For iteration
LastUsedBit = (1 << 30),
};
using Flags = base::flags<Flag>;
friend inline constexpr auto is_flag_type(Flag) { return true; }
not_null<PeerData*> peer;
Flags flags = 0;
};
struct HistoryUpdate {
enum class Flag : uint32 {
None = 0,
IsPinned = (1 << 0),
UnreadView = (1 << 1),
TopPromoted = (1 << 2),
Folder = (1 << 3),
UnreadMentions = (1 << 4),
LocalMessages = (1 << 5),
ChatOccupied = (1 << 6),
MessageSent = (1 << 7),
ScheduledSent = (1 << 8),
ForwardDraft = (1 << 9),
OutboxRead = (1 << 10),
BotKeyboard = (1 << 11),
CloudDraft = (1 << 12),
LastUsedBit = (1 << 12),
};
using Flags = base::flags<Flag>;
friend inline constexpr auto is_flag_type(Flag) { return true; }
not_null<History*> history;
Flags flags = 0;
};
struct MessageUpdate {
enum class Flag : uint32 {
None = 0,
Edited = (1 << 0),
Destroyed = (1 << 1),
DialogRowRepaint = (1 << 2),
DialogRowRefresh = (1 << 3),
NewAdded = (1 << 4),
ReplyMarkup = (1 << 5),
BotCallbackSent = (1 << 6),
NewMaybeAdded = (1 << 7),
LastUsedBit = (1 << 7),
};
using Flags = base::flags<Flag>;
friend inline constexpr auto is_flag_type(Flag) { return true; }
not_null<HistoryItem*> item;
Flags flags = 0;
};
struct EntryUpdate {
enum class Flag : uint32 {
None = 0,
Repaint = (1 << 0),
LastUsedBit = (1 << 0),
};
using Flags = base::flags<Flag>;
friend inline constexpr auto is_flag_type(Flag) { return true; }
not_null<Dialogs::Entry*> entry;
Flags flags = 0;
};
class Changes final {
public:
explicit Changes(not_null<Main::Session*> session);
[[nodiscard]] Main::Session &session() const;
void nameUpdated(
not_null<PeerData*> peer,
base::flat_set<QChar> oldFirstLetters);
[[nodiscard]] rpl::producer<NameUpdate> realtimeNameUpdates() const;
[[nodiscard]] rpl::producer<NameUpdate> realtimeNameUpdates(
not_null<PeerData*> peer) const;
void peerUpdated(not_null<PeerData*> peer, PeerUpdate::Flags flags);
[[nodiscard]] rpl::producer<PeerUpdate> peerUpdates(
PeerUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<PeerUpdate> peerUpdates(
not_null<PeerData*> peer,
PeerUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<PeerUpdate> peerFlagsValue(
not_null<PeerData*> peer,
PeerUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<PeerUpdate> realtimePeerUpdates(
PeerUpdate::Flag flag) const;
void historyUpdated(
not_null<History*> history,
HistoryUpdate::Flags flags);
[[nodiscard]] rpl::producer<HistoryUpdate> historyUpdates(
HistoryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<HistoryUpdate> historyUpdates(
not_null<History*> history,
HistoryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<HistoryUpdate> historyFlagsValue(
not_null<History*> history,
HistoryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<HistoryUpdate> realtimeHistoryUpdates(
HistoryUpdate::Flag flag) const;
void messageUpdated(
not_null<HistoryItem*> item,
MessageUpdate::Flags flags);
[[nodiscard]] rpl::producer<MessageUpdate> messageUpdates(
MessageUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<MessageUpdate> messageUpdates(
not_null<HistoryItem*> item,
MessageUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<MessageUpdate> messageFlagsValue(
not_null<HistoryItem*> item,
MessageUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<MessageUpdate> realtimeMessageUpdates(
MessageUpdate::Flag flag) const;
void entryUpdated(
not_null<Dialogs::Entry*> entry,
EntryUpdate::Flags flags);
[[nodiscard]] rpl::producer<EntryUpdate> entryUpdates(
EntryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<EntryUpdate> entryUpdates(
not_null<Dialogs::Entry*> entry,
EntryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<EntryUpdate> entryFlagsValue(
not_null<Dialogs::Entry*> entry,
EntryUpdate::Flags flags) const;
[[nodiscard]] rpl::producer<EntryUpdate> realtimeEntryUpdates(
EntryUpdate::Flag flag) const;
void sendNotifications();
private:
template <typename DataType, typename UpdateType>
class Manager final {
public:
using Flag = typename UpdateType::Flag;
using Flags = typename UpdateType::Flags;
void updated(
not_null<DataType*> data,
Flags flags,
bool dropScheduled = false);
[[nodiscard]] rpl::producer<UpdateType> updates(Flags flags) const;
[[nodiscard]] rpl::producer<UpdateType> updates(
not_null<DataType*> data,
Flags flags) const;
[[nodiscard]] rpl::producer<UpdateType> flagsValue(
not_null<DataType*> data,
Flags flags) const;
[[nodiscard]] rpl::producer<UpdateType> realtimeUpdates(
Flag flag) const;
void sendNotifications();
private:
static constexpr auto kCount = details::CountBit<Flag>();
void sendRealtimeNotifications(not_null<DataType*> data, Flags flags);
std::array<rpl::event_stream<UpdateType>, kCount> _realtimeStreams;
base::flat_map<not_null<DataType*>, Flags> _updates;
rpl::event_stream<UpdateType> _stream;
};
void scheduleNotifications();
const not_null<Main::Session*> _session;
rpl::event_stream<NameUpdate> _nameStream;
Manager<PeerData, PeerUpdate> _peerChanges;
Manager<History, HistoryUpdate> _historyChanges;
Manager<HistoryItem, MessageUpdate> _messageChanges;
Manager<Dialogs::Entry, EntryUpdate> _entryChanges;
bool _notify = false;
};
} // namespace Data