osu/osu.Game/Overlays/ChatOverlay.cs
2018-02-22 14:17:35 +09:00

557 lines
20 KiB
C#

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using OpenTK;
using OpenTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Configuration;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Transforms;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.MathUtils;
using osu.Framework.Threading;
using osu.Game.Configuration;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Online.Chat;
using osu.Game.Overlays.Chat;
namespace osu.Game.Overlays
{
public class ChatOverlay : OsuFocusedOverlayContainer, IOnlineComponent
{
private const float textbox_height = 60;
private const float channel_selection_min_height = 0.3f;
private ScheduledDelegate messageRequest;
private readonly Container<DrawableChannel> currentChannelContainer;
private readonly LoadingAnimation loading;
private readonly FocusedTextBox textbox;
private APIAccess api;
private const int transition_length = 500;
public const float DEFAULT_HEIGHT = 0.4f;
public const float TAB_AREA_HEIGHT = 50;
private GetMessagesRequest fetchReq;
private readonly ChatTabControl channelTabs;
private readonly Container chatContainer;
private readonly Container tabsArea;
private readonly Box chatBackground;
private readonly Box tabBackground;
public Bindable<double> ChatHeight { get; set; }
public List<Channel> AvailableChannels { get; private set; } = new List<Channel>();
private readonly Container channelSelectionContainer;
private readonly ChannelSelectionOverlay channelSelection;
public override bool Contains(Vector2 screenSpacePos) => chatContainer.ReceiveMouseInputAt(screenSpacePos) || channelSelection.State == Visibility.Visible && channelSelection.ReceiveMouseInputAt(screenSpacePos);
public ChatOverlay()
{
RelativeSizeAxes = Axes.Both;
RelativePositionAxes = Axes.Both;
Anchor = Anchor.BottomLeft;
Origin = Anchor.BottomLeft;
const float padding = 5;
Children = new Drawable[]
{
channelSelectionContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Height = 1f - DEFAULT_HEIGHT,
Masking = true,
Children = new[]
{
channelSelection = new ChannelSelectionOverlay
{
RelativeSizeAxes = Axes.Both,
},
},
},
chatContainer = new Container
{
Name = @"chat container",
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.Both,
Height = DEFAULT_HEIGHT,
Children = new[]
{
new Container
{
Name = @"chat area",
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding { Top = TAB_AREA_HEIGHT },
Children = new Drawable[]
{
chatBackground = new Box
{
RelativeSizeAxes = Axes.Both,
},
currentChannelContainer = new Container<DrawableChannel>
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding
{
Bottom = textbox_height
},
},
new Container
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft,
RelativeSizeAxes = Axes.X,
Height = textbox_height,
Padding = new MarginPadding
{
Top = padding * 2,
Bottom = padding * 2,
Left = ChatLine.LEFT_PADDING + padding * 2,
Right = padding * 2,
},
Children = new Drawable[]
{
textbox = new FocusedTextBox
{
RelativeSizeAxes = Axes.Both,
Height = 1,
PlaceholderText = "type your message",
Exit = () => State = Visibility.Hidden,
OnCommit = postMessage,
ReleaseFocusOnCommit = false,
HoldFocus = true,
}
}
},
loading = new LoadingAnimation(),
}
},
tabsArea = new Container
{
Name = @"tabs area",
RelativeSizeAxes = Axes.X,
Height = TAB_AREA_HEIGHT,
Children = new Drawable[]
{
tabBackground = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black,
},
channelTabs = new ChatTabControl
{
RelativeSizeAxes = Axes.Both,
OnRequestLeave = removeChannel,
},
}
},
},
},
};
channelTabs.Current.ValueChanged += newChannel => CurrentChannel = newChannel;
channelTabs.ChannelSelectorActive.ValueChanged += value => channelSelection.State = value ? Visibility.Visible : Visibility.Hidden;
channelSelection.StateChanged += state =>
{
channelTabs.ChannelSelectorActive.Value = state == Visibility.Visible;
if (state == Visibility.Visible)
{
textbox.HoldFocus = false;
if (1f - ChatHeight.Value < channel_selection_min_height)
transformChatHeightTo(1f - channel_selection_min_height, 800, Easing.OutQuint);
}
else
textbox.HoldFocus = true;
};
}
private double startDragChatHeight;
private bool isDragging;
public void OpenChannel(Channel channel) => addChannel(channel);
protected override bool OnDragStart(InputState state)
{
isDragging = tabsArea.IsHovered;
if (!isDragging)
return base.OnDragStart(state);
startDragChatHeight = ChatHeight.Value;
return true;
}
protected override bool OnDrag(InputState state)
{
if (isDragging)
{
Trace.Assert(state.Mouse.PositionMouseDown != null);
double targetChatHeight = startDragChatHeight - (state.Mouse.Position.Y - state.Mouse.PositionMouseDown.Value.Y) / Parent.DrawSize.Y;
// If the channel selection screen is shown, mind its minimum height
if (channelSelection.State == Visibility.Visible && targetChatHeight > 1f - channel_selection_min_height)
targetChatHeight = 1f - channel_selection_min_height;
ChatHeight.Value = targetChatHeight;
}
return true;
}
protected override bool OnDragEnd(InputState state)
{
isDragging = false;
return base.OnDragEnd(state);
}
public void APIStateChanged(APIAccess api, APIState state)
{
switch (state)
{
case APIState.Online:
initializeChannels();
break;
default:
messageRequest?.Cancel();
break;
}
}
public override bool AcceptsFocus => true;
protected override void OnFocus(InputState state)
{
//this is necessary as textbox is masked away and therefore can't get focus :(
GetContainingInputManager().ChangeFocus(textbox);
base.OnFocus(state);
}
protected override void PopIn()
{
this.MoveToY(0, transition_length, Easing.OutQuint);
this.FadeIn(transition_length, Easing.OutQuint);
textbox.HoldFocus = true;
base.PopIn();
}
protected override void PopOut()
{
this.MoveToY(Height, transition_length, Easing.InSine);
this.FadeOut(transition_length, Easing.InSine);
textbox.HoldFocus = false;
base.PopOut();
}
[BackgroundDependencyLoader]
private void load(APIAccess api, OsuConfigManager config, OsuColour colours)
{
this.api = api;
api.Register(this);
ChatHeight = config.GetBindable<double>(OsuSetting.ChatDisplayHeight);
ChatHeight.ValueChanged += h =>
{
chatContainer.Height = (float)h;
channelSelectionContainer.Height = 1f - (float)h;
tabBackground.FadeTo(h == 1 ? 1 : 0.8f, 200);
};
ChatHeight.TriggerChange();
chatBackground.Colour = colours.ChatBlue;
}
private long? lastMessageId;
private readonly List<Channel> careChannels = new List<Channel>();
private readonly List<DrawableChannel> loadedChannels = new List<DrawableChannel>();
private void initializeChannels()
{
loading.Show();
messageRequest?.Cancel();
ListChannelsRequest req = new ListChannelsRequest();
req.Success += delegate (List<Channel> channels)
{
AvailableChannels = channels;
Scheduler.Add(delegate
{
addChannel(channels.Find(c => c.Name == @"#lazer"));
addChannel(channels.Find(c => c.Name == @"#osu"));
addChannel(channels.Find(c => c.Name == @"#lobby"));
channelSelection.OnRequestJoin = addChannel;
channelSelection.OnRequestLeave = removeChannel;
channelSelection.Sections = new[]
{
new ChannelSection
{
Header = "All Channels",
Channels = channels,
},
};
});
messageRequest = Scheduler.AddDelayed(fetchNewMessages, 1000, true);
};
api.Queue(req);
}
private Channel currentChannel;
protected Channel CurrentChannel
{
get
{
return currentChannel;
}
set
{
if (currentChannel == value) return;
if (value == null)
{
currentChannel = null;
textbox.Current.Disabled = true;
currentChannelContainer.Clear(false);
return;
}
currentChannel = value;
textbox.Current.Disabled = currentChannel.ReadOnly;
channelTabs.Current.Value = value;
var loaded = loadedChannels.Find(d => d.Channel == value);
if (loaded == null)
{
currentChannelContainer.FadeOut(500, Easing.OutQuint);
loading.Show();
loaded = new DrawableChannel(currentChannel);
loadedChannels.Add(loaded);
LoadComponentAsync(loaded, l =>
{
if (currentChannel.Messages.Any())
loading.Hide();
currentChannelContainer.Clear(false);
currentChannelContainer.Add(loaded);
currentChannelContainer.FadeIn(500, Easing.OutQuint);
});
}
else
{
currentChannelContainer.Clear(false);
currentChannelContainer.Add(loaded);
}
}
}
private void addChannel(Channel channel)
{
if (channel == null) return;
var existing = careChannels.Find(c => c.Id == channel.Id);
if (existing != null)
{
// if we already have this channel loaded, we don't want to make a second one.
channel = existing;
}
else
{
careChannels.Add(channel);
channelTabs.AddItem(channel);
}
// let's fetch a small number of messages to bring us up-to-date with the backlog.
fetchInitialMessages(channel);
if (CurrentChannel == null)
CurrentChannel = channel;
channel.Joined.Value = true;
}
private void removeChannel(Channel channel)
{
if (channel == null) return;
if (channel == CurrentChannel) CurrentChannel = null;
careChannels.Remove(channel);
loadedChannels.Remove(loadedChannels.Find(c => c.Channel == channel));
channelTabs.RemoveItem(channel);
channel.Joined.Value = false;
}
private void fetchInitialMessages(Channel channel)
{
var req = new GetMessagesRequest(new List<Channel> { channel }, null);
req.Success += delegate (List<Message> messages)
{
loading.Hide();
channel.AddNewMessages(messages.ToArray());
Debug.Write("success!");
};
req.Failure += delegate
{
Debug.Write("failure!");
};
api.Queue(req);
}
private void fetchNewMessages()
{
if (fetchReq != null) return;
fetchReq = new GetMessagesRequest(careChannels, lastMessageId);
fetchReq.Success += delegate (List<Message> messages)
{
foreach (var group in messages.Where(m => m.TargetType == TargetType.Channel).GroupBy(m => m.TargetId))
careChannels.Find(c => c.Id == group.Key)?.AddNewMessages(group.ToArray());
lastMessageId = messages.LastOrDefault()?.Id ?? lastMessageId;
Debug.Write("success!");
fetchReq = null;
};
fetchReq.Failure += delegate
{
Debug.Write("failure!");
fetchReq = null;
};
api.Queue(fetchReq);
}
private void postMessage(TextBox textbox, bool newText)
{
var postText = textbox.Text;
textbox.Text = string.Empty;
if (string.IsNullOrWhiteSpace(postText))
return;
var target = currentChannel;
if (target == null) return;
if (!api.IsLoggedIn)
{
target.AddNewMessages(new ErrorMessage("Please sign in to participate in chat!"));
return;
}
bool isAction = false;
if (postText[0] == '/')
{
string[] parameters = postText.Substring(1).Split(new[] { ' ' }, 2);
string command = parameters[0];
string content = parameters.Length == 2 ? parameters[1] : string.Empty;
switch (command)
{
case "me":
if (string.IsNullOrWhiteSpace(content))
{
currentChannel.AddNewMessages(new ErrorMessage("Usage: /me [action]"));
return;
}
isAction = true;
postText = content;
break;
case "help":
currentChannel.AddNewMessages(new InfoMessage("Supported commands: /help, /me [action]"));
return;
default:
currentChannel.AddNewMessages(new ErrorMessage($@"""/{command}"" is not supported! For a list of supported commands see /help"));
return;
}
}
var message = new LocalEchoMessage
{
Sender = api.LocalUser.Value,
Timestamp = DateTimeOffset.Now,
TargetType = TargetType.Channel, //TODO: read this from channel
TargetId = target.Id,
IsAction = isAction,
Content = postText
};
var req = new PostMessageRequest(message);
target.AddLocalEcho(message);
req.Failure += e => target.ReplaceMessage(message, null);
req.Success += m => target.ReplaceMessage(message, m);
api.Queue(req);
}
private void transformChatHeightTo(double newChatHeight, double duration = 0, Easing easing = Easing.None)
{
this.TransformTo(this.PopulateTransform(new TransformChatHeight(), newChatHeight, duration, easing));
}
private class TransformChatHeight : Transform<double, ChatOverlay>
{
private double valueAt(double time)
{
if (time < StartTime) return StartValue;
if (time >= EndTime) return EndValue;
return Interpolation.ValueAt(time, StartValue, EndValue, StartTime, EndTime, Easing);
}
public override string TargetMember => "ChatHeight.Value";
protected override void Apply(ChatOverlay d, double time) => d.ChatHeight.Value = valueAt(time);
protected override void ReadIntoStartValue(ChatOverlay d) => StartValue = d.ChatHeight.Value;
}
}
}