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Sort room list by room priority

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This commit is contained in:
Emi Simpson 2020-03-13 19:30:50 -04:00
parent fc2f08a186
commit 08125e8c44
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GPG key ID: 68FAB2E2E6DFC98B
3 changed files with 39 additions and 10 deletions
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36
src/RoomList.cpp
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@ -16,6 +16,7 @@
*/
#include <limits>
#include <set>
#include <QObject>
#include <QPainter>
@ -328,30 +329,47 @@ RoomList::updateRoomDescription(const QString &roomid, const DescInfo &info)
emit sortRoomsByLastMessage();
}
struct room_sort {
bool operator() (const RoomInfoListItem * a, const RoomInfoListItem * b) const {
// Sort by "importance" (i.e. invites before mentions before
// notifs before new events before old events), then secondly
// by recency.
// Checking importance first
const auto a_importance = a->calculateImportance();
const auto b_importance = b->calculateImportance();
if(a_importance != b_importance) {
return a_importance > b_importance;
}
// Now sort by recency
// Zero if empty, otherwise the time that the event occured
const uint64_t a_recency = a->lastMessageInfo().userid.isEmpty() ? 0 :
a->lastMessageInfo().datetime.toMSecsSinceEpoch();
const uint64_t b_recency = b->lastMessageInfo().userid.isEmpty() ? 0 :
b->lastMessageInfo().datetime.toMSecsSinceEpoch();
return a_recency > b_recency;
}
};
void
RoomList::sortRoomsByLastMessage()
{
isSortPending_ = false;
std::multimap<uint64_t, RoomInfoListItem *, std::greater<uint64_t>> times;
std::multiset<RoomInfoListItem *, room_sort> times;
for (int ii = 0; ii < contentsLayout_->count(); ++ii) {
auto room = qobject_cast<RoomInfoListItem *>(contentsLayout_->itemAt(ii)->widget());
if (!room)
continue;
// Not a room message.
if (room->isInvite())
times.emplace(std::numeric_limits<uint64_t>::max(), room);
else if (room->lastMessageInfo().userid.isEmpty())
times.emplace(0, room);
else
times.emplace(room->lastMessageInfo().datetime.toMSecsSinceEpoch(), room);
times.insert(room);
}
for (auto it = times.cbegin(); it != times.cend(); ++it) {
const auto roomWidget = it->second;
const auto roomWidget = *it;
const auto currentIndex = contentsLayout_->indexOf(roomWidget);
const auto newIndex = std::distance(times.cbegin(), it);