Port instrument menu UI to use XAML (#3066)

Content.Client/Instruments/InstrumentMenu.xaml.cs

@@ -0,0 +1,169 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Content.Client.GameObjects.Components.Instruments;
+using Content.Client.UserInterface.Stylesheets;
+using Content.Client.Utility;
+using Robust.Client.Audio.Midi;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics.Drawing;
+using Robust.Client.Interfaces.UserInterface;
+using Robust.Client.Player;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Containers;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Log;
+using Robust.Shared.Maths;
+using Robust.Shared.Timers;
+
+namespace Content.Client.Instruments
+{
+    [GenerateTypedNameReferences]
+    public partial class InstrumentMenu : SS14Window
+    {
+        [Dependency] private readonly IMidiManager _midiManager = default!;
+        [Dependency] private readonly IFileDialogManager _fileDialogManager = default!;
+
+        private readonly InstrumentBoundUserInterface _owner;
+
+        protected override Vector2? CustomSize => (400, 150);
+
+        public InstrumentMenu(InstrumentBoundUserInterface owner)
+        {
+            RobustXamlLoader.Load(this);
+            IoCManager.InjectDependencies(this);
+
+            _owner = owner;
+
+            _owner.Instrument.OnMidiPlaybackEnded += InstrumentOnMidiPlaybackEnded;
+
+            Title = _owner.Instrument.Owner.Name;
+
+            LoopButton.Disabled = !_owner.Instrument.IsMidiOpen;
+            LoopButton.Pressed = _owner.Instrument.LoopMidi;
+            StopButton.Disabled = !_owner.Instrument.IsMidiOpen;
+
+            if (!_midiManager.IsAvailable)
+            {
+                Margin.AddChild(new PanelContainer
+                {
+                    MouseFilter = MouseFilterMode.Stop,
+                    PanelOverride = new StyleBoxFlat {BackgroundColor = Color.Black.WithAlpha(0.90f)},
+                    Children =
+                    {
+                        new Label
+                        {
+                            Align = Label.AlignMode.Center,
+                            SizeFlagsVertical = SizeFlags.ShrinkCenter,
+                            SizeFlagsHorizontal = SizeFlags.ShrinkCenter,
+                            StyleClasses = {StyleNano.StyleClassLabelBig},
+                            Text = Loc.GetString("MIDI support is currently\nnot available on your platform.")
+                        }
+                    }
+                });
+
+                // We return early as to not give the buttons behavior.
+                return;
+            }
+
+            InputButton.OnToggled += MidiInputButtonOnOnToggled;
+            FileButton.OnPressed += MidiFileButtonOnOnPressed;
+            LoopButton.OnToggled += MidiLoopButtonOnOnToggled;
+            StopButton.OnPressed += MidiStopButtonOnPressed;
+        }
+
+        private void InstrumentOnMidiPlaybackEnded()
+        {
+            MidiPlaybackSetButtonsDisabled(true);
+        }
+
+        public void MidiPlaybackSetButtonsDisabled(bool disabled)
+        {
+            LoopButton.Disabled = disabled;
+            StopButton.Disabled = disabled;
+        }
+
+        private async void MidiFileButtonOnOnPressed(BaseButton.ButtonEventArgs obj)
+        {
+            var filters = new FileDialogFilters(new FileDialogFilters.Group("mid", "midi"));
+            var file = await _fileDialogManager.OpenFile(filters);
+
+            // The following checks are only in place to prevent players from playing MIDI songs locally.
+            // There are equivalents for these checks on the server.
+
+            if (file == null) return;
+
+            /*if (!_midiManager.IsMidiFile(filename))
+            {
+                Logger.Warning($"Not a midi file! Chosen file: {filename}");
+                return;
+            }*/
+
+            if (!PlayCheck())
+                return;
+
+            MidiStopButtonOnPressed(null);
+            var memStream = new MemoryStream((int) file.Length);
+            // 100ms delay is due to a race condition or something idk.
+            // While we're waiting, load it into memory.
+            await Task.WhenAll(Timer.Delay(100), file.CopyToAsync(memStream));
+
+            if (!_owner.Instrument.OpenMidi(memStream.GetBuffer().AsSpan(0, (int) memStream.Length)))
+                return;
+
+            MidiPlaybackSetButtonsDisabled(false);
+            if (InputButton.Pressed)
+                InputButton.Pressed = false;
+        }
+
+        private void MidiInputButtonOnOnToggled(BaseButton.ButtonToggledEventArgs obj)
+        {
+            if (obj.Pressed)
+            {
+                if (!PlayCheck())
+                    return;
+
+                MidiStopButtonOnPressed(null);
+                _owner.Instrument.OpenInput();
+            }
+            else
+                _owner.Instrument.CloseInput();
+        }
+
+        private bool PlayCheck()
+        {
+            var instrumentEnt = _owner.Instrument.Owner;
+            var instrument = _owner.Instrument;
+
+            _owner.Instrument.Owner.TryGetContainerMan(out var conMan);
+
+            var localPlayer = IoCManager.Resolve<IPlayerManager>().LocalPlayer;
+
+            // If we don't have a player or controlled entity, we return.
+            if (localPlayer?.ControlledEntity == null) return false;
+
+            // If the instrument is handheld and we're not holding it, we return.
+            if ((instrument.Handheld && (conMan == null
+                                         || conMan.Owner != localPlayer.ControlledEntity))) return false;
+
+            // We check that we're in range unobstructed just in case.
+            return localPlayer.InRangeUnobstructed(instrumentEnt,
+                predicate: (e) => e == instrumentEnt || e == localPlayer.ControlledEntity);
+        }
+
+        private void MidiStopButtonOnPressed(BaseButton.ButtonEventArgs obj)
+        {
+            MidiPlaybackSetButtonsDisabled(true);
+            _owner.Instrument.CloseMidi();
+        }
+
+        private void MidiLoopButtonOnOnToggled(BaseButton.ButtonToggledEventArgs obj)
+        {
+            _owner.Instrument.LoopMidi = obj.Pressed;
+        }
+    }
+}