fire extinguisher using item toggle (#29906)

* move SprayAttemptEvent to shared

* add SolutionTransferredEvent

* replace FireExtinguisher with SpraySafety

* update fire extinguisher yml

* invert visuals

* always handle event in solution transfer, it makes popups

* instantly fill it

* untroll

---------

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

Content.Shared/Fluids/SpraySafetySystem.cs

@@ -0,0 +1,44 @@
+using Content.Shared.Chemistry.EntitySystems;
+using Content.Shared.Fluids.Components;
+using Content.Shared.Item.ItemToggle;
+using Content.Shared.Popups;
+using Robust.Shared.Audio.Systems;
+
+namespace Content.Shared.Fluids;
+
+public sealed class SpraySafetySystem : EntitySystem
+{
+    [Dependency] private readonly ItemToggleSystem _toggle = default!;
+    [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly SharedPopupSystem _popup = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SpraySafetyComponent, SolutionTransferAttemptEvent>(OnTransferAttempt);
+        SubscribeLocalEvent<SpraySafetyComponent, SolutionTransferredEvent>(OnTransferred);
+        SubscribeLocalEvent<SpraySafetyComponent, SprayAttemptEvent>(OnSprayAttempt);
+    }
+
+    private void OnTransferAttempt(Entity<SpraySafetyComponent> ent, ref SolutionTransferAttemptEvent args)
+    {
+        var (uid, comp) = ent;
+        if (uid == args.To && !_toggle.IsActivated(uid))
+            args.Cancel(Loc.GetString(comp.Popup));
+    }
+
+    private void OnTransferred(Entity<SpraySafetyComponent> ent, ref SolutionTransferredEvent args)
+    {
+        _audio.PlayPredicted(ent.Comp.RefillSound, ent, args.User);
+    }
+
+    private void OnSprayAttempt(Entity<SpraySafetyComponent> ent, ref SprayAttemptEvent args)
+    {
+        if (!_toggle.IsActivated(ent.Owner))
+        {
+            _popup.PopupEntity(Loc.GetString(ent.Comp.Popup), ent, args.User);
+            args.Cancel();
+        }
+    }
+}