Add tutorial download support and improve the visuals "slightly"

osu.Game/Overlays/FirstRunSetup/ScreenBundledBeatmaps.cs

@@ -9,64 +9,122 @@ using osu.Game.Beatmaps.Drawables;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.UserInterface;
+using osu.Game.Graphics.UserInterfaceV2;
 using osu.Game.Online;
-using osuTK.Graphics;
+using osuTK;
 
 namespace osu.Game.Overlays.FirstRunSetup
 {
     [Description("Bundled Beatmaps")]
     public class ScreenBundledBeatmaps : FirstRunSetupScreen
     {
-        private TriangleButton downloadButton;
+        private RoundedButton downloadBundledButton;
 
-        private ProgressBar progressBar;
-        private BundledBeatmapDownloader downloader;
+        private ProgressBar progressBarBundled;
+
+        private RoundedButton downloadTutorialButton;
+        private ProgressBar progressBarTutorial;
+
+        private BundledBeatmapDownloader tutorialDownloader;
+        private BundledBeatmapDownloader bundledDownloader;
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(OsuColour colours)
         {
+            Vector2 buttonSize = new Vector2(500, 80);
+
             Content.Children = new Drawable[]
             {
                 new OsuTextFlowContainer(cp => cp.Font = OsuFont.Default.With(size: 20))
                 {
-                    Text = "osu! doesn't come with any beatmaps pre-loaded. To get started, we have some recommended beatmaps.",
+                    Text =
+                        "osu! doesn't come with any beatmaps pre-loaded. To get started, we have some recommended beatmaps. You can obtain more beatmaps from the main menu \"browse\" button at any time.",
                     RelativeSizeAxes = Axes.X,
                     AutoSizeAxes = Axes.Y
                 },
-                downloadButton = new TriangleButton
+                downloadTutorialButton = new RoundedButton
                 {
-                    Width = 300,
+                    Size = buttonSize,
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre,
-                    Text = "Download beatmap selection",
-                    Action = download
+                    BackgroundColour = colours.Pink3,
+                    Text = "Download tutorial",
+                    Action = downloadTutorial
                 },
+                downloadBundledButton = new RoundedButton
+                {
+                    Size = buttonSize,
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.TopCentre,
+                    BackgroundColour = colours.Blue3,
+                    Text = "Download beatmap selection",
+                    Action = downloadBundled
+                },
+                // TODO: add stable import button if a stable install is detected.
             };
 
-            downloadButton.Add(progressBar = new ProgressBar(false)
+            downloadTutorialButton.Add(progressBarTutorial = new ProgressBar(false)
             {
                 RelativeSizeAxes = Axes.Both,
                 Blending = BlendingParameters.Additive,
-                FillColour = Color4.Aqua,
+                FillColour = downloadTutorialButton.BackgroundColour,
+                Alpha = 0.5f,
+                Depth = float.MinValue
+            });
+
+            downloadBundledButton.Add(progressBarBundled = new ProgressBar(false)
+            {
+                RelativeSizeAxes = Axes.Both,
+                Blending = BlendingParameters.Additive,
+                FillColour = downloadBundledButton.BackgroundColour,
                 Alpha = 0.5f,
                 Depth = float.MinValue
             });
         }
 
-        private void download()
+        private void downloadTutorial()
         {
-            AddInternal(downloader = new BundledBeatmapDownloader());
-            downloadButton.Enabled.Value = false;
+            if (tutorialDownloader != null)
+                return;
 
-            foreach (var tracker in downloader.DownloadTrackers)
-                tracker.State.BindValueChanged(_ => updateProgress());
+            tutorialDownloader = new BundledBeatmapDownloader(true);
+
+            AddInternal(tutorialDownloader);
+
+            var downloadTracker = tutorialDownloader.DownloadTrackers.First();
+
+            downloadTracker.Progress.BindValueChanged(progress =>
+            {
+                progressBarTutorial.Current.Value = progress.NewValue;
+
+                if (progress.NewValue == 1)
+                    downloadTutorialButton.Enabled.Value = false;
+            }, true);
         }
 
-        private void updateProgress()
+        private void downloadBundled()
         {
-            double progress = (double)downloader.DownloadTrackers.Count(t => t.State.Value == DownloadState.LocallyAvailable) / downloader.DownloadTrackers.Count();
+            if (bundledDownloader != null)
+                return;
 
-            this.TransformBindableTo(progressBar.Current, progress, 1000, Easing.OutQuint);
+            // downloadBundledButton.Enabled.Value = false;
+
+            bundledDownloader = new BundledBeatmapDownloader(false);
+
+            AddInternal(bundledDownloader);
+
+            foreach (var tracker in bundledDownloader.DownloadTrackers)
+                tracker.State.BindValueChanged(_ => updateProgress(), true);
+
+            void updateProgress()
+            {
+                double progress = (double)bundledDownloader.DownloadTrackers.Count(t => t.State.Value == DownloadState.LocallyAvailable) / bundledDownloader.DownloadTrackers.Count();
+
+                this.TransformBindableTo(progressBarBundled.Current, progress, 1000, Easing.OutQuint);
+
+                if (progress == 1)
+                    downloadBundledButton.Enabled.Value = false;
+            }
         }
     }
 }