diff options
Diffstat (limited to 'connection.cpp')
| -rw-r--r-- | connection.cpp | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/connection.cpp b/connection.cpp index fdf58e9e..513d9242 100644 --- a/connection.cpp +++ b/connection.cpp @@ -299,26 +299,28 @@ Room* Connection::provideRoom(const QString& id, JoinState joinState) return nullptr; } - // Room transitions from the Connection standpoint: - // - none -> (new) Invite - // - none -> (new) Join - // - none -> (new) Leave - // - Invite -> (new) Join replaces Invite (deleted) - // - Invite -> (new) Leave (archived) replaces Invite (deleted) - // - Join -> (moves to) Leave - // - Leave -> (new) Invite, Leave - // - Leave -> (moves to) Join - // Room transitions from the user's standpoint (what's seen in signals): - // - none -> Invite: newRoom(Invite) - // - none -> Join: newRoom(Join) or Room::joinStateChanged(Join); joinedRoom - // - Invite -> Invite replaced with Join: - // newRoom(Join); joinedRoom; aboutToDeleteRoom(Invite) - // - Invite -> Invite replaced with Leave (none): - // newRoom(Leave); leftRoom; aboutToDeleteRoom(Invite) - // - Join -> Leave (none): leftRoom + // Room transitions: + // 1. none -> Invite: r=createRoom, emit invitedRoom(r,null) + // 2. none -> Join: r=createRoom, emit joinedRoom(r,null) + // 3. none -> Leave: r=createRoom, emit leftRoom(r,null) + // 4. inv=Invite -> Join: r=createRoom, emit joinedRoom(r,inv), delete Invite + // 4a. Leave, inv=Invite -> Join: change state, emit joinedRoom(r,inv), delete Invite + // 5. inv=Invite -> Leave: r=createRoom, emit leftRoom(r,inv), delete Invite + // 5a. r=Leave, inv=Invite -> Leave: emit leftRoom(r,inv), delete Invite + // 6. Join -> Leave: change state + // 7. r=Leave -> Invite: inv=createRoom, emit invitedRoom(inv,r) + // 8. Leave -> (changes to) Join const auto roomKey = qMakePair(id, joinState == JoinState::Invite); auto* room = d->roomMap.value(roomKey, nullptr); - if (!room) + if (room) + { + // Leave is a special case because in transition (5a) above + // joinState == room->joinState but we still have to preempt the Invite + // and emit a signal. For Invite and Join, there's no such problem. + if (room->joinState() == joinState && joinState != JoinState::Leave) + return room; + } + else { room = createRoom(this, id, joinState); if (!room) @@ -326,20 +328,25 @@ Room* Connection::provideRoom(const QString& id, JoinState joinState) qCCritical(MAIN) << "Failed to create a room" << id; return nullptr; } - qCDebug(MAIN) << "Created Room" << id << ", invited:" << roomKey.second; - d->roomMap.insert(roomKey, room); + qCDebug(MAIN) << "Created Room" << id << ", invited:" << roomKey.second; emit newRoom(room); } - - if (joinState != JoinState::Invite) + if (joinState == JoinState::Invite) + { + // prev is either Leave or nullptr + auto* prev = d->roomMap.value({id, false}, nullptr); + emit invitedRoom(room, prev); + } + else { + room->setJoinState(joinState); // Preempt the Invite room (if any) with a room in Join/Leave state. - auto prevInvite = d->roomMap.take({id, true}); + auto* prevInvite = d->roomMap.take({id, true}); if (joinState == JoinState::Join) - joinedRoom(room, prevInvite); + emit joinedRoom(room, prevInvite); else if (joinState == JoinState::Leave) - leftRoom(room, prevInvite); + emit leftRoom(room, prevInvite); if (prevInvite) { qCDebug(MAIN) << "Deleting Invite state for room" << prevInvite->id(); |