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General comment cleanups

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This commit is contained in:
Bartłomiej Dach
2021-06-03 14:20:52 +02:00
parent b2cc2a51ec
commit 5f5f3a8c5c
1 changed files with 8 additions and 12 deletions
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20
osu.Game/Online/Chat/ChannelManager.cs
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@ -441,7 +441,7 @@ namespace osu.Game.Online.Chat
closedChannels.RemoveAt(0); closedChannels.RemoveAt(0);
} }
// For PM channels, we store the user ID; else, we store the channel id // For PM channels, we store the user ID; else, we store the channel ID
closedChannels.Add(channel.Type == ChannelType.PM closedChannels.Add(channel.Type == ChannelType.PM
? new ClosedChannel(ChannelType.PM, channel.Users.Single().Id) ? new ClosedChannel(ChannelType.PM, channel.Users.Single().Id)
: new ClosedChannel(channel.Type, channel.Id)); : new ClosedChannel(channel.Type, channel.Id));
@ -454,18 +454,14 @@ namespace osu.Game.Online.Chat
}); });
/// <summary> /// <summary>
/// Opens the most recently closed channel that has not /// Opens the most recently closed channel that has not already been reopened,
/// already been reopened
/// Works similarly to reopening the last closed tab on a web browser. /// Works similarly to reopening the last closed tab on a web browser.
/// </summary> /// </summary>
public void JoinLastClosedChannel() public void JoinLastClosedChannel()
{ {
// This loop could be eliminated if a check was added so that // This loop could be eliminated if the join channel operation ensured that every channel joined
// when the code opens a channel it removes from the closedChannel list. // is removed from the closedChannels list, but it'd require a linear scan of closed channels on every join.
// However, this would require adding an O(|closeChannels|) work operation // To keep the overhead of joining channels low, just lazily scan the list of closed channels locally.
// every time the user joins a channel, which would make joining a channel
// slower. We wanted to centralize all major slowdowns so they
// can only occur if the user actually decides to use this feature.
while (closedChannels.Count > 0) while (closedChannels.Count > 0)
{ {
ClosedChannel lastClosedChannel = closedChannels.Last(); ClosedChannel lastClosedChannel = closedChannels.Last();
@ -479,12 +475,12 @@ namespace osu.Game.Online.Chat
if (lastChannel != null) if (lastChannel != null)
{ {
// Channel exists as an availaable channel, directly join it // Channel exists as an available channel, directly join it
CurrentChannel.Value = JoinChannel(lastChannel); CurrentChannel.Value = JoinChannel(lastChannel);
} }
else if (lastClosedChannel.Type == ChannelType.PM) else if (lastClosedChannel.Type == ChannelType.PM)
{ {
// Try to get User to open PM chat // Try to get user in order to open PM chat
users.GetUserAsync((int)lastClosedChannel.Id).ContinueWith(u => users.GetUserAsync((int)lastClosedChannel.Id).ContinueWith(u =>
{ {
if (u.Result == null) return; if (u.Result == null) return;
@ -583,7 +579,7 @@ namespace osu.Game.Online.Chat
} }
/// <summary> /// <summary>
/// Class that stores information about a closed channel /// Stores information about a closed channel
/// </summary> /// </summary>
public class ClosedChannel public class ClosedChannel
{ {