Moved interaction interfaces from Server to Shared.

Content.Shared/Interfaces/GameObjects/Components/Interaction/IHandDeselected.cs

@@ -0,0 +1,53 @@
+using System;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+
+namespace Content.Shared.Interfaces.GameObjects.Components
+{
+    /// <summary>
+    ///     This interface gives components behavior when they're held on a deselected hand.
+    /// </summary>
+    public interface IHandDeselected
+    {
+        void HandDeselected(HandDeselectedEventArgs eventArgs);
+    }
+
+    public class HandDeselectedEventArgs : EventArgs
+    {
+        public HandDeselectedEventArgs(IEntity user)
+        {
+            User = user;
+        }
+
+        public IEntity User { get; }
+    }
+
+    /// <summary>
+    ///     Raised when an entity item in a hand is deselected.
+    /// </summary>
+    [PublicAPI]
+    public class HandDeselectedMessage : EntitySystemMessage
+    {
+        /// <summary>
+        ///     If this message has already been "handled" by a previous system.
+        /// </summary>
+        public bool Handled { get; set; }
+
+        /// <summary>
+        ///     Entity that owns the deselected hand.
+        /// </summary>
+        public IEntity User { get; }
+
+        /// <summary>
+        ///     The item in question.
+        /// </summary>
+        public IEntity Item { get; }
+
+        public HandDeselectedMessage(IEntity user, IEntity item)
+        {
+            User = user;
+            Item = item;
+        }
+    }
+}