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