kepka/Telegram/SourceFiles/data/data_feed.h

110 lines
2.5 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 "dialogs/dialogs_entry.h"
class ChannelData;
namespace Data {
struct FeedPosition {
FeedPosition() = default;
explicit FeedPosition(const MTPFeedPosition &position);
explicit FeedPosition(not_null<HistoryItem*> item);
FeedPosition(TimeId date, FullMsgId msgId) : date(date), msgId(msgId) {
}
explicit operator bool() const {
return (msgId.msg != 0);
}
inline bool operator<(const FeedPosition &other) const {
if (date < other.date) {
return true;
} else if (other.date < date) {
return false;
}
return (msgId < other.msgId);
}
inline bool operator>(const FeedPosition &other) const {
return other < *this;
}
inline bool operator<=(const FeedPosition &other) const {
return !(other < *this);
}
inline bool operator>=(const FeedPosition &other) const {
return !(*this < other);
}
inline bool operator==(const FeedPosition &other) const {
return (date == other.date)
&& (msgId == other.msgId);
}
inline bool operator!=(const FeedPosition &other) const {
return !(*this == other);
}
TimeId date = 0;
FullMsgId msgId;
};
class Feed : public Dialogs::Entry {
public:
Feed(FeedId id);
FeedId id() const {
return _id;
}
void registerOne(not_null<ChannelData*> channel);
void unregisterOne(not_null<ChannelData*> channel);
void updateLastMessage(not_null<HistoryItem*> item);
void messageRemoved(not_null<HistoryItem*> item);
void historyCleared(not_null<History*> history);
void setUnreadCounts(int unreadCount, int unreadMutedCount);
void setUnreadPosition(const FeedPosition &position);
bool toImportant() const override {
return false; // TODO feeds workmode
}
int chatListUnreadCount() const override {
return _unreadCount;
}
bool chatListMutedBadge() const override {
return _unreadCount <= _unreadMutedCount;
}
HistoryItem *chatsListItem() const override {
return _lastMessage;
}
void loadUserpic() override;
void paintUserpic(
Painter &p,
int x,
int y,
int size) const override;
private:
void recountLastMessage();
bool justSetLastMessage(not_null<HistoryItem*> item);
FeedId _id = 0;
std::vector<not_null<History*>> _channels;
HistoryItem *_lastMessage = nullptr;
FeedPosition _unreadPosition;
int _unreadCount = 0;
int _unreadMutedCount = 0;
bool _complete = false;
};
} // namespace Data