288 lines
		
	
	
	
		
			7.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			288 lines
		
	
	
	
		
			7.5 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              = (1U << 0),
 | 
						|
		Username          = (1U << 1),
 | 
						|
		Photo             = (1U << 2),
 | 
						|
		About             = (1U << 3),
 | 
						|
		Notifications     = (1U << 4),
 | 
						|
		Migration         = (1U << 5),
 | 
						|
		UnavailableReason = (1U << 6),
 | 
						|
		PinnedMessages    = (1U << 7),
 | 
						|
		IsBlocked         = (1U << 8),
 | 
						|
		MessagesTTL       = (1U << 9),
 | 
						|
 | 
						|
		// For users
 | 
						|
		CanShareContact   = (1U << 10),
 | 
						|
		IsContact         = (1U << 11),
 | 
						|
		PhoneNumber       = (1U << 12),
 | 
						|
		OnlineStatus      = (1U << 13),
 | 
						|
		BotCommands       = (1U << 14),
 | 
						|
		BotCanBeInvited   = (1U << 15),
 | 
						|
		BotStartToken     = (1U << 16),
 | 
						|
		CommonChats       = (1U << 17),
 | 
						|
		HasCalls          = (1U << 18),
 | 
						|
		SupportInfo       = (1U << 19),
 | 
						|
		IsBot             = (1U << 20),
 | 
						|
 | 
						|
		// For chats and channels
 | 
						|
		InviteLinks       = (1U << 21),
 | 
						|
		Members           = (1U << 22),
 | 
						|
		Admins            = (1U << 23),
 | 
						|
		BannedUsers       = (1U << 24),
 | 
						|
		Rights            = (1U << 25),
 | 
						|
 | 
						|
		// For channels
 | 
						|
		ChannelAmIn       = (1U << 26),
 | 
						|
		StickersSet       = (1U << 27),
 | 
						|
		ChannelLinkedChat = (1U << 28),
 | 
						|
		ChannelLocation   = (1U << 29),
 | 
						|
		Slowmode          = (1U << 30),
 | 
						|
		GroupCall         = (1U << 31),
 | 
						|
 | 
						|
		// For iteration
 | 
						|
		LastUsedBit       = (1U << 31),
 | 
						|
	};
 | 
						|
	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       = (1U << 0),
 | 
						|
		UnreadView     = (1U << 1),
 | 
						|
		TopPromoted    = (1U << 2),
 | 
						|
		Folder         = (1U << 3),
 | 
						|
		UnreadMentions = (1U << 4),
 | 
						|
		LocalMessages  = (1U << 5),
 | 
						|
		ChatOccupied   = (1U << 6),
 | 
						|
		MessageSent    = (1U << 7),
 | 
						|
		ScheduledSent  = (1U << 8),
 | 
						|
		ForwardDraft   = (1U << 9),
 | 
						|
		OutboxRead     = (1U << 10),
 | 
						|
		BotKeyboard    = (1U << 11),
 | 
						|
		CloudDraft     = (1U << 12),
 | 
						|
		LocalDraftSet  = (1U << 13),
 | 
						|
 | 
						|
		LastUsedBit    = (1U << 13),
 | 
						|
	};
 | 
						|
	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           = (1U << 0),
 | 
						|
		Destroyed        = (1U << 1),
 | 
						|
		DialogRowRepaint = (1U << 2),
 | 
						|
		DialogRowRefresh = (1U << 3),
 | 
						|
		NewAdded         = (1U << 4),
 | 
						|
		ReplyMarkup      = (1U << 5),
 | 
						|
		BotCallbackSent  = (1U << 6),
 | 
						|
		NewMaybeAdded    = (1U << 7),
 | 
						|
 | 
						|
		LastUsedBit      = (1U << 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 = (1U << 0),
 | 
						|
 | 
						|
		LastUsedBit = (1U << 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
 |