add gateway for admeme (#17587)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Client/Gateway/UI/GatewayWindow.xaml.cs

@@ -0,0 +1,180 @@
+using Content.Client.Computer;
+using Content.Client.Stylesheets;
+using Content.Client.UserInterface.Controls;
+using Content.Shared.Gateway;
+using Content.Shared.Shuttles.BUIStates;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Timing;
+
+namespace Content.Client.Gateway.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class GatewayWindow : FancyWindow,
+    IComputerWindow<EmergencyConsoleBoundUserInterfaceState>
+{
+    private readonly IGameTiming _timing;
+
+    public event Action<EntityUid>? OpenPortal;
+    private List<(EntityUid, string, TimeSpan, bool)> _destinations = default!;
+    private EntityUid? _current;
+    private TimeSpan _nextClose;
+    private TimeSpan _lastOpen;
+    private List<Label> _readyLabels = default!;
+    private List<Button> _openButtons = default!;
+
+    public GatewayWindow()
+    {
+        RobustXamlLoader.Load(this);
+        _timing = IoCManager.Resolve<IGameTiming>();
+    }
+
+    public void UpdateState(GatewayBoundUserInterfaceState state)
+    {
+        _destinations = state.Destinations;
+        _current = state.Current;
+        _nextClose = state.NextClose;
+        _lastOpen = state.LastOpen;
+
+        Container.DisposeAllChildren();
+        _readyLabels = new List<Label>(_destinations.Count);
+        _openButtons = new List<Button>(_destinations.Count);
+
+        if (_destinations.Count == 0)
+        {
+            Container.AddChild(new BoxContainer()
+            {
+                HorizontalExpand = true,
+                VerticalExpand = true,
+                Children =
+                {
+                    new Label()
+                    {
+                        Text = Loc.GetString("gateway-window-no-destinations"),
+                        HorizontalAlignment = HAlignment.Center
+                    }
+                }
+            });
+            return;
+        }
+
+        var now = _timing.CurTime;
+        foreach (var dest in _destinations)
+        {
+            var uid = dest.Item1;
+            var name = dest.Item2;
+            var nextReady = dest.Item3;
+            var busy = dest.Item4;
+
+            var box = new BoxContainer()
+            {
+                Orientation = BoxContainer.LayoutOrientation.Horizontal,
+                Margin = new Thickness(5f, 5f)
+            };
+
+            box.AddChild(new Label()
+            {
+                Text = name
+            });
+
+            var readyLabel = new Label
+            {
+                Text = ReadyText(now, nextReady),
+                Margin = new Thickness(10f, 0f, 0f, 0f)
+            };
+            _readyLabels.Add(readyLabel);
+            box.AddChild(readyLabel);
+
+            var openButton = new Button()
+            {
+                Text = Loc.GetString("gateway-window-open-portal"),
+                Pressed = uid == _current,
+                ToggleMode = true,
+                Disabled = _current != null || busy || now < nextReady
+            };
+
+            openButton.OnPressed += args =>
+            {
+                OpenPortal?.Invoke(uid);
+            };
+
+            if (uid == state.Current)
+            {
+                openButton.AddStyleClass(StyleBase.ButtonCaution);
+            }
+
+            _openButtons.Add(openButton);
+            box.AddChild(new BoxContainer()
+            {
+                HorizontalExpand = true,
+                Align = BoxContainer.AlignMode.End,
+                Children =
+                {
+                    openButton
+                }
+            });
+
+            Container.AddChild(new PanelContainer()
+            {
+                PanelOverride = new StyleBoxFlat(new Color(30, 30, 34)),
+                Margin = new Thickness(10f, 5f),
+                Children =
+                {
+                    box
+                }
+            });
+        }
+    }
+
+    protected override void FrameUpdate(FrameEventArgs args)
+    {
+        base.FrameUpdate(args);
+
+        var now = _timing.CurTime;
+
+        // if its not going to close then show it as empty
+        if (_current == null)
+        {
+            NextCloseBar.Value = 0f;
+            NextCloseText.Text = "00:00";
+        }
+        else
+        {
+            var remaining = _nextClose - _timing.CurTime;
+            if (remaining < TimeSpan.Zero)
+            {
+                NextCloseBar.Value = 1f;
+                NextCloseText.Text = "00:00";
+            }
+            else
+            {
+                var openTime = _nextClose - _lastOpen;
+                NextCloseBar.Value = 1f - (float) (remaining / openTime);
+                NextCloseText.Text = $"{remaining.Minutes:00}:{remaining.Seconds:00}";
+            }
+        }
+
+        for (var i = 0; i < _destinations.Count; i++)
+        {
+            var dest = _destinations[i];
+            var nextReady = dest.Item3;
+            var busy = dest.Item4;
+            _readyLabels[i].Text = ReadyText(now, nextReady);
+            _openButtons[i].Disabled = _current != null || busy || now < nextReady;
+        }
+    }
+
+    private string ReadyText(TimeSpan now, TimeSpan nextReady)
+    {
+        if (now < nextReady)
+        {
+            var time = nextReady - now;
+            return Loc.GetString("gateway-window-ready-in", ("time", $"{time.Minutes:00}:{time.Seconds:00}"));
+        }
+
+        return Loc.GetString("gateway-window-ready");
+    }
+}