Create IRoomManager interface, add test for RoomsContainer

osu.Game/Screens/Multi/IRoomManager.cs

@@ -0,0 +1,46 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Configuration;
+using osu.Game.Online.Multiplayer;
+using osu.Game.Screens.Multi.Lounge.Components;
+
+namespace osu.Game.Screens.Multi
+{
+    public interface IRoomManager
+    {
+        /// <summary>
+        /// Invoked when this <see cref="IRoomManager"/> requests a <see cref="Room"/> to be opened.
+        /// </summary>
+        event Action<Room> OpenRequested;
+
+        /// <summary>
+        /// All the active <see cref="Room"/>s.
+        /// </summary>
+        IBindableCollection<Room> Rooms { get; }
+
+        /// <summary>
+        /// Creates a new <see cref="Room"/>.
+        /// </summary>
+        /// <param name="room">The <see cref="Room"/> to create.</param>
+        void CreateRoom(Room room);
+
+        /// <summary>
+        /// Joins a <see cref="Room"/>.
+        /// </summary>
+        /// <param name="room">The <see cref="Room"/> to join. <see cref="Room.RoomID"/> must be populated.</param>
+        void JoinRoom(Room room);
+
+        /// <summary>
+        /// Parts the currently-joined <see cref="Room"/>.
+        /// </summary>
+        void PartRoom();
+
+        /// <summary>
+        /// Queries for <see cref="Room"/>s matching a new <see cref="FilterCriteria"/>.
+        /// </summary>
+        /// <param name="criteria">The <see cref="FilterCriteria"/> to match.</param>
+        void Filter(FilterCriteria criteria);
+    }
+}