Implement a login placeholder (#7438)

Implement a login placeholder

osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapLeaderboard.cs

@@ -7,6 +7,7 @@ using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Leaderboards;
+using osu.Game.Online.Placeholders;
 using osu.Game.Rulesets.Osu.Mods;
 using osu.Game.Scoring;
 using osu.Game.Screens.Select.Leaderboards;

osu.Game/Online/Leaderboards/Leaderboard.cs

@@ -14,6 +14,7 @@ using osu.Framework.Threading;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Online.API;
+using osu.Game.Online.Placeholders;
 using osuTK;
 using osuTK.Graphics;
 
@@ -150,7 +151,7 @@ namespace osu.Game.Online.Leaderboards
                         break;
 
                     case PlaceholderState.NotLoggedIn:
-                        replacePlaceholder(new MessagePlaceholder(@"Please sign in to view online leaderboards!"));
+                        replacePlaceholder(new LoginPlaceholder());
                         break;
 
                     case PlaceholderState.NotSupporter:

osu.Game/Online/Leaderboards/RetrievalFailurePlaceholder.cs

@@ -6,6 +6,7 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Input.Events;
 using osu.Game.Graphics.Containers;
+using osu.Game.Online.Placeholders;
 using osuTK;
 
 namespace osu.Game.Online.Leaderboards

osu.Game/Online/Placeholders/LoginPlaceholder.cs

@@ -0,0 +1,46 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Input.Events;
+using osu.Game.Overlays;
+
+namespace osu.Game.Online.Placeholders
+{
+    public sealed class LoginPlaceholder : Placeholder
+    {
+        [Resolved(CanBeNull = true)]
+        private LoginOverlay login { get; set; }
+
+        public LoginPlaceholder()
+        {
+            AddIcon(FontAwesome.Solid.UserLock, cp =>
+            {
+                cp.Font = cp.Font.With(size: TEXT_SIZE);
+                cp.Padding = new MarginPadding { Right = 10 };
+            });
+
+            AddText(@"Please sign in to view online leaderboards!");
+        }
+
+        protected override bool OnMouseDown(MouseDownEvent e)
+        {
+            this.ScaleTo(0.8f, 4000, Easing.OutQuint);
+            return base.OnMouseDown(e);
+        }
+
+        protected override bool OnMouseUp(MouseUpEvent e)
+        {
+            this.ScaleTo(1, 1000, Easing.OutElastic);
+            return base.OnMouseUp(e);
+        }
+
+        protected override bool OnClick(ClickEvent e)
+        {
+            login?.Show();
+            return base.OnClick(e);
+        }
+    }
+}

osu.Game/Online/Placeholders/MessagePlaceholder.cs

@@ -4,7 +4,7 @@
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 
-namespace osu.Game.Online.Leaderboards
+namespace osu.Game.Online.Placeholders
 {
     public class MessagePlaceholder : Placeholder
     {

osu.Game/Online/Placeholders/Placeholder.cs

@@ -5,7 +5,7 @@ using System;
 using osu.Framework.Graphics;
 using osu.Game.Graphics.Containers;
 
-namespace osu.Game.Online.Leaderboards
+namespace osu.Game.Online.Placeholders
 {
     public abstract class Placeholder : OsuTextFlowContainer, IEquatable<Placeholder>
     {