From dfa1191d12ee7ace5ba89176c295af99f42f554a Mon Sep 17 00:00:00 2001
From: Scott Jackson <daneren2005@gmail.com>
Date: Wed, 3 Dec 2014 12:17:44 -0800
Subject: #395 Copy Subsonic's default album art

---
 res/layout/abstract_fragment_activity.xml         |   3 +-
 res/layout/album_cell_item.xml                    |   3 +-
 res/layout/album_list_item.xml                    |   3 +-
 res/layout/select_album_header.xml                |   1 -
 src/github/daneren2005/dsub/util/ImageLoader.java | 111 ++++++++++++++--------
 5 files changed, 74 insertions(+), 47 deletions(-)

diff --git a/res/layout/abstract_fragment_activity.xml b/res/layout/abstract_fragment_activity.xml
index 0702397f..0268ff87 100644
--- a/res/layout/abstract_fragment_activity.xml
+++ b/res/layout/abstract_fragment_activity.xml
@@ -23,8 +23,7 @@
 			android:layout_width="50dip"
 			android:layout_height="50dip"
 			android:layout_gravity="left|center"
-			android:scaleType="fitStart"
-			android:src="@drawable/unknown_album"/>
+			android:scaleType="fitStart"/>
 
 		<LinearLayout
 			android:layout_width="0dp"
diff --git a/res/layout/album_cell_item.xml b/res/layout/album_cell_item.xml
index 3dd79477..c1c8aa56 100644
--- a/res/layout/album_cell_item.xml
+++ b/res/layout/album_cell_item.xml
@@ -12,8 +12,7 @@
 		<github.daneren2005.dsub.view.SquareImageView
 			android:id="@+id/album_coverart"
 			android:layout_width="match_parent"
-			android:layout_height="match_parent"
-			android:src="@drawable/unknown_album"/>
+			android:layout_height="match_parent"/>
 
 		<RatingBar
 			android:id="@+id/album_rating"
diff --git a/res/layout/album_list_item.xml b/res/layout/album_list_item.xml
index 27ab3c63..f0d6eb97 100644
--- a/res/layout/album_list_item.xml
+++ b/res/layout/album_list_item.xml
@@ -13,8 +13,7 @@
 			android:id="@+id/album_coverart"
 			android:layout_width="@dimen/AlbumArt.Small"
 			android:layout_height="@dimen/AlbumArt.Small"
-			android:layout_gravity="left|center_vertical"
-			android:src="@drawable/unknown_album"/>
+			android:layout_gravity="left|center_vertical"/>
 
 		<RatingBar
 			android:id="@+id/album_rating"
diff --git a/res/layout/select_album_header.xml b/res/layout/select_album_header.xml
index a253aa31..8b13ee68 100644
--- a/res/layout/select_album_header.xml
+++ b/res/layout/select_album_header.xml
@@ -6,7 +6,6 @@
 		
 	<ImageView
 		android:id="@+id/select_album_art"
-		android:src="@drawable/unknown_album"
 		android:layout_width="@dimen/AlbumArt.Header"
 		android:layout_height="@dimen/AlbumArt.Header"
 		android:layout_alignParentTop="true"
diff --git a/src/github/daneren2005/dsub/util/ImageLoader.java b/src/github/daneren2005/dsub/util/ImageLoader.java
index ccdb3432..526c8106 100644
--- a/src/github/daneren2005/dsub/util/ImageLoader.java
+++ b/src/github/daneren2005/dsub/util/ImageLoader.java
@@ -18,8 +18,15 @@
  */
 package github.daneren2005.dsub.util;
 
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.LinearGradient;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Shader;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.TransitionDrawable;
@@ -55,7 +62,8 @@ public class ImageLoader {
 	private final int imageSizeDefault;
 	private final int imageSizeLarge;
 	private final int avatarSizeDefault;
-	private Drawable largeUnknownImage;
+
+	private final static int[] COLORS = {0xFF33B5E5, 0xFFAA66CC, 0xFF99CC00, 0xFFFFBB33, 0xFFFF4444};
 
 	public ImageLoader(Context context) {
 		this.context = context;
@@ -87,8 +95,6 @@ public class ImageLoader {
 		DisplayMetrics metrics = context.getResources().getDisplayMetrics();
 		imageSizeLarge = Math.round(Math.min(metrics.widthPixels, metrics.heightPixels));
 		avatarSizeDefault = context.getResources().getDrawable(R.drawable.ic_social_person).getIntrinsicHeight();
-
-		createLargeUnknownImage(context);
 	}
 
 	public void clearCache() {
@@ -96,18 +102,59 @@ public class ImageLoader {
 		cache.evictAll();
 	}
 
-	private void createLargeUnknownImage(Context context) {
-		BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.unknown_album_large);
-		Bitmap bitmap = Bitmap.createScaledBitmap(drawable.getBitmap(), imageSizeLarge, imageSizeLarge, true);
-		largeUnknownImage = Util.createDrawableFromBitmap(context, bitmap);
+	private Bitmap getUnknownImage(MusicDirectory.Entry entry, int size) {
+		String key;
+		int color;
+		if(entry == null) {
+			key = getKey("unknown", size);
+			color = COLORS[0];
+		} else {
+			key = getKey(entry.getId() + "unknown", size);
+			color = COLORS[Math.abs(entry.getAlbum().hashCode()) % COLORS.length];
+		}
+		Bitmap bitmap = cache.get(key);
+		if(bitmap == null) {
+			bitmap = createUnknownImage(entry, size, color);
+			cache.put(key, bitmap);
+		}
+
+		return bitmap;
+	}
+	private Bitmap createUnknownImage(MusicDirectory.Entry entry, int size, int primaryColor) {
+		Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
+		Canvas canvas = new Canvas(bitmap);
+
+		Paint color = new Paint();
+		color.setColor(primaryColor);
+		canvas.drawRect(0, 0, size, size * 2.0f / 3.0f, color);
+
+		color.setShader(new LinearGradient(0, 0, 0, size / 3.0f, Color.rgb(82, 82, 82), Color.BLACK, Shader.TileMode.MIRROR));
+		canvas.drawRect(0, size * 2.0f / 3.0f, size, size, color);
+
+		if(entry != null) {
+			Paint font = new Paint();
+			font.setFlags(Paint.ANTI_ALIAS_FLAG);
+			font.setColor(Color.WHITE);
+			font.setTextSize(3.0f + size * 0.07f);
+
+			if(entry.getAlbum() != null) {
+				canvas.drawText(entry.getAlbum(), size * 0.05f, size * 0.6f, font);
+			}
+
+			if(entry.getArtist() != null) {
+				canvas.drawText(entry.getArtist(), size * 0.05f, size * 0.8f, font);
+			}
+		}
+
+		return bitmap;
 	}
 
 	public Bitmap getCachedImage(Context context, MusicDirectory.Entry entry, boolean large) {
+		int size = large ? imageSizeLarge : imageSizeDefault;
 		if(entry == null || entry.getCoverArt() == null) {
-			return null;
+			return getUnknownImage(entry, size);
 		}
 
-		int size = large ? imageSizeLarge : imageSizeDefault;
 		Bitmap bitmap = cache.get(getKey(entry.getCoverArt(), size));
 		if(bitmap == null || bitmap.isRecycled()) {
 			bitmap = FileUtil.getAlbumArtBitmap(context, entry, size);
@@ -120,10 +167,6 @@ public class ImageLoader {
 	}
 
 	public ImageTask loadImage(View view, MusicDirectory.Entry entry, boolean large, boolean crossfade) {
-		if (largeUnknownImage != null && ((BitmapDrawable)largeUnknownImage).getBitmap().isRecycled()) {
-			createLargeUnknownImage(view.getContext());
-		}
-
 		if(entry != null && entry.getCoverArt() == null && entry.isDirectory() && !Util.isOffline(context)) {
 			// Try to lookup child cover art
 			MusicDirectory.Entry firstChild = FileUtil.lookupChild(context, entry, true);
@@ -131,13 +174,16 @@ public class ImageLoader {
 				entry.setCoverArt(firstChild.getCoverArt());
 			}
 		}
+
+		Bitmap bitmap;
+		int size = large ? imageSizeLarge : imageSizeDefault;
 		if (entry == null || entry.getCoverArt() == null) {
-			setUnknownImage(view, large);
+			bitmap = getUnknownImage(entry, size);
+			setImage(view, Util.createDrawableFromBitmap(context, bitmap), crossfade);
 			return null;
 		}
 
-		int size = large ? imageSizeLarge : imageSizeDefault;
-		Bitmap bitmap = cache.get(getKey(entry.getCoverArt(), size));
+		bitmap = cache.get(getKey(entry.getCoverArt(), size));
 		if (bitmap != null && !bitmap.isRecycled()) {
 			final Drawable drawable = Util.createDrawableFromBitmap(this.context, bitmap);
 			setImage(view, drawable, crossfade);
@@ -148,7 +194,8 @@ public class ImageLoader {
 		}
 
 		if (!large) {
-			setUnknownImage(view, large);
+			bitmap = getUnknownImage(entry, size);
+			setImage(view, Util.createDrawableFromBitmap(context, bitmap), crossfade);
 		}
 		ImageTask task = new ViewImageTask(view.getContext(), entry, size, imageSizeLarge, large, view, crossfade);
 		task.execute();
@@ -156,23 +203,22 @@ public class ImageLoader {
 	}
 
 	public SilentBackgroundTask<Void> loadImage(Context context, RemoteControlClient remoteControl, MusicDirectory.Entry entry) {
-		if (largeUnknownImage != null && ((BitmapDrawable)largeUnknownImage).getBitmap().isRecycled()) {
-			createLargeUnknownImage(context);
-		}
-
+		Bitmap bitmap;
 		if (entry == null || entry.getCoverArt() == null) {
-			setUnknownImage(remoteControl);
+			bitmap = getUnknownImage(entry, imageSizeLarge);
+			setImage(remoteControl, Util.createDrawableFromBitmap(context, bitmap));
 			return null;
 		}
 
-		Bitmap bitmap = cache.get(getKey(entry.getCoverArt(), imageSizeLarge));
+		bitmap = cache.get(getKey(entry.getCoverArt(), imageSizeLarge));
 		if (bitmap != null && !bitmap.isRecycled()) {
 			Drawable drawable = Util.createDrawableFromBitmap(this.context, bitmap);
 			setImage(remoteControl, drawable);
 			return null;
 		}
 
-		setUnknownImage(remoteControl);
+		bitmap = getUnknownImage(entry, imageSizeLarge);
+		setImage(remoteControl, Util.createDrawableFromBitmap(context, bitmap));
 		ImageTask task = new RemoteControlClientImageTask(context, entry, imageSizeLarge, imageSizeLarge, false, remoteControl);
 		task.execute();
 		return task;
@@ -239,6 +285,7 @@ public class ImageLoader {
 		}
 	}
 
+	@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
 	private void setImage(RemoteControlClient remoteControl, Drawable drawable) {
 		if(remoteControl != null && drawable != null) {
 			Bitmap origBitmap = ((BitmapDrawable)drawable).getBitmap();
@@ -256,22 +303,6 @@ public class ImageLoader {
 		}
 	}
 
-	private void setUnknownImage(View view, boolean large) {
-		if (large) {
-			setImage(view, largeUnknownImage, false);
-		} else {
-			if (view instanceof TextView) {
-				((TextView) view).setCompoundDrawablesWithIntrinsicBounds(R.drawable.unknown_album, 0, 0, 0);
-			} else if (view instanceof ImageView) {
-				((ImageView) view).setImageResource(R.drawable.unknown_album);
-			}
-		}
-	}
-
-	private void setUnknownImage(RemoteControlClient remoteControl) {
-		setImage(remoteControl, largeUnknownImage);
-	}
-
 	public abstract class ImageTask extends SilentBackgroundTask<Void> {
 		private final Context mContext;
 		private final MusicDirectory.Entry mEntry;
-- 
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