Implement notifications.

osu.Game/Overlays/Notifications/SimpleNotification.cs

@@ -0,0 +1,66 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
+
+namespace osu.Game.Overlays.Notifications
+{
+    public class SimpleNotification : Notification
+    {
+        private string text;
+
+        public SimpleNotification(string text)
+        {
+            this.text = text;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours)
+        {
+            IconContent.Add(new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    ColourInfo = ColourInfo.GradientVertical(OsuColour.Gray(0.2f), OsuColour.Gray(0.5f))
+                },
+                new TextAwesome
+                {
+                    Anchor = Anchor.Centre,
+                    Icon = FontAwesome.fa_info_circle,
+                }
+            });
+
+            Content.Add(new SpriteText
+            {
+                TextSize = 16,
+                Colour = OsuColour.Gray(128),
+                AutoSizeAxes = Axes.Y,
+                RelativeSizeAxes = Axes.X,
+                Text = text
+            });
+
+            Light.Colour = colours.Green;
+        }
+
+        public override bool Read
+        {
+            get
+            {
+                return base.Read;
+            }
+
+            set
+            {
+                if (base.Read = value)
+                    Light.FadeOut(100);
+                else
+                    Light.FadeIn(100);
+            }
+        }
+    }
+}