52 lines
1.3 KiB
C++
52 lines
1.3 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
|
|
*/
|
|
#include "info/media/info_media_common.h"
|
|
|
|
#include "history/history_item.h"
|
|
|
|
namespace Info::Media {
|
|
|
|
UniversalMsgId GetUniversalId(FullMsgId itemId) {
|
|
return peerIsChannel(itemId.peer)
|
|
? UniversalMsgId(itemId.msg)
|
|
: UniversalMsgId(itemId.msg - ServerMaxMsgId);
|
|
}
|
|
|
|
UniversalMsgId GetUniversalId(not_null<const HistoryItem*> item) {
|
|
return GetUniversalId(item->fullId());
|
|
}
|
|
|
|
UniversalMsgId GetUniversalId(not_null<const BaseLayout*> layout) {
|
|
return GetUniversalId(layout->getItem()->fullId());
|
|
}
|
|
|
|
bool ChangeItemSelection(
|
|
ListSelectedMap &selected,
|
|
not_null<const HistoryItem*> item,
|
|
ListItemSelectionData selectionData) {
|
|
const auto changeExisting = [&](auto it) {
|
|
if (it == selected.cend()) {
|
|
return false;
|
|
} else if (it->second != selectionData) {
|
|
it->second = selectionData;
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
if (selected.size() < MaxSelectedItems) {
|
|
const auto &[i, ok] = selected.try_emplace(item, selectionData);
|
|
if (ok) {
|
|
return true;
|
|
}
|
|
return changeExisting(i);
|
|
}
|
|
return changeExisting(selected.find(item));
|
|
}
|
|
|
|
} // namespace Info::Media
|