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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Linq;
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using System.Collections.Generic;
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using osu.Framework.Allocation;
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using osu.Framework.Extensions.LocalisationExtensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Localisation;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Online.Chat;
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using osu.Game.Overlays.Chat.Listing;
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using osu.Game.Resources.Localisation.Web;
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namespace osu.Game.Overlays.Chat.ChannelList
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{
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public class ChannelList : Container
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{
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public Action<Channel>? OnRequestSelect;
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public Action<Channel>? OnRequestLeave;
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public IEnumerable<Channel> Channels => groupFlow.Children
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.OfType<ChannelGroup>()
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.SelectMany(channelGroup => channelGroup.ItemFlow)
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.Select(item => item.Channel);
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public readonly ChannelListing.ChannelListingChannel ChannelListingChannel = new ChannelListing.ChannelListingChannel();
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private readonly Dictionary<Channel, ChannelListItem> channelMap = new Dictionary<Channel, ChannelListItem>();
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private OsuScrollContainer scroll = null!;
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private FillFlowContainer groupFlow = null!;
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private ChannelGroup announceChannelGroup = null!;
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private ChannelGroup publicChannelGroup = null!;
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private ChannelGroup privateChannelGroup = null!;
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private ChannelListItem selector = null!;
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[BackgroundDependencyLoader]
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private void load(OverlayColourProvider colourProvider)
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{
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Children = new Drawable[]
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{
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new Box
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{
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RelativeSizeAxes = Axes.Both,
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Colour = colourProvider.Background6,
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},
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scroll = new OsuScrollContainer
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{
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RelativeSizeAxes = Axes.Both,
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ScrollbarAnchor = Anchor.TopRight,
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ScrollDistance = 35f,
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Child = groupFlow = new FillFlowContainer
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{
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Direction = FillDirection.Vertical,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Children = new Drawable[]
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{
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announceChannelGroup = new ChannelGroup(ChatStrings.ChannelsListTitleANNOUNCE.ToUpper()),
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publicChannelGroup = new ChannelGroup(ChatStrings.ChannelsListTitlePUBLIC.ToUpper()),
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selector = new ChannelListItem(ChannelListingChannel),
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privateChannelGroup = new ChannelGroup(ChatStrings.ChannelsListTitlePM.ToUpper()),
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},
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},
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},
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};
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selector.OnRequestSelect += chan => OnRequestSelect?.Invoke(chan);
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}
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public void AddChannel(Channel channel)
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{
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if (channelMap.ContainsKey(channel))
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return;
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ChannelListItem item = new ChannelListItem(channel);
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item.OnRequestSelect += chan => OnRequestSelect?.Invoke(chan);
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item.OnRequestLeave += chan => OnRequestLeave?.Invoke(chan);
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FillFlowContainer<ChannelListItem> flow = getFlowForChannel(channel);
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channelMap.Add(channel, item);
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flow.Add(item);
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updateVisibility();
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}
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public void RemoveChannel(Channel channel)
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{
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if (!channelMap.ContainsKey(channel))
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return;
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ChannelListItem item = channelMap[channel];
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FillFlowContainer<ChannelListItem> flow = getFlowForChannel(channel);
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channelMap.Remove(channel);
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flow.Remove(item, true);
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updateVisibility();
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}
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public ChannelListItem GetItem(Channel channel)
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{
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if (!channelMap.ContainsKey(channel))
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throw new ArgumentOutOfRangeException();
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return channelMap[channel];
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}
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public void ScrollChannelIntoView(Channel channel) => scroll.ScrollIntoView(GetItem(channel));
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private FillFlowContainer<ChannelListItem> getFlowForChannel(Channel channel)
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{
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switch (channel.Type)
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{
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case ChannelType.Public:
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return publicChannelGroup.ItemFlow;
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case ChannelType.PM:
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return privateChannelGroup.ItemFlow;
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case ChannelType.Announce:
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return announceChannelGroup.ItemFlow;
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default:
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return publicChannelGroup.ItemFlow;
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}
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}
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private void updateVisibility()
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{
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if (announceChannelGroup.ItemFlow.Children.Count == 0)
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announceChannelGroup.Hide();
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else
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announceChannelGroup.Show();
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}
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private class ChannelGroup : FillFlowContainer
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{
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public readonly FillFlowContainer<ChannelListItem> ItemFlow;
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public ChannelGroup(LocalisableString label)
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{
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Direction = FillDirection.Vertical;
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RelativeSizeAxes = Axes.X;
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AutoSizeAxes = Axes.Y;
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Padding = new MarginPadding { Top = 8 };
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Children = new Drawable[]
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{
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new OsuSpriteText
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{
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Text = label,
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Margin = new MarginPadding { Left = 18, Bottom = 5 },
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Font = OsuFont.Torus.With(size: 12, weight: FontWeight.SemiBold),
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},
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ItemFlow = new FillFlowContainer<ChannelListItem>
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{
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Direction = FillDirection.Vertical,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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},
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};
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}
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}
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}
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}
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