Tin stars according to theme

1 files changed, 83 insertions, 0 deletions

diff --git a/app/src/main/java/github/daneren2005/dsub/util/DrawableTint.java b/app/src/main/java/github/daneren2005/dsub/util/DrawableTint.java
new file mode 100644
index 00000000..d3c4ebb4
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/util/DrawableTint.java
@@ -0,0 +1,83 @@
+/*
+  This file is part of Subsonic.
+	Subsonic is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	Subsonic is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+	You should have received a copy of the GNU General Public License
+	along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+	Copyright 2015 (C) Scott Jackson
+*/
+
+package github.daneren2005.dsub.util;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.AttrRes;
+import android.support.annotation.DrawableRes;
+import android.util.TypedValue;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.WeakHashMap;
+
+import github.daneren2005.dsub.R;
+
+public class DrawableTint {
+	private static final Map<Integer, Integer> attrMap = new HashMap<>();
+	private static final WeakHashMap<Integer, Drawable> tintedDrawables = new WeakHashMap<>();
+
+	public static Drawable getTintedDrawable(Context context, @DrawableRes int drawableRes, @AttrRes int colorAttr) {
+		if(tintedDrawables.containsKey(drawableRes)) {
+			return tintedDrawables.get(drawableRes);
+		}
+
+		int color;
+		if(attrMap.containsKey(colorAttr)) {
+			color = attrMap.get(colorAttr);
+		} else {
+			TypedValue typedValue = new TypedValue();
+			Resources.Theme theme = context.getTheme();
+			theme.resolveAttribute(colorAttr, typedValue, true);
+			color = typedValue.data;
+			attrMap.put(colorAttr, color);
+		}
+
+		Drawable background = context.getResources().getDrawable(drawableRes);
+		background.setColorFilter(color, PorterDuff.Mode.SRC_IN);
+		tintedDrawables.put(drawableRes, background);
+		return background;
+	}
+	public static int getDrawableRes(Context context, @AttrRes int drawableAttr) {
+		if(attrMap.containsKey(drawableAttr)) {
+			return attrMap.get(drawableAttr);
+		} else {
+			int[] attrs = new int[]{drawableAttr};
+			TypedArray typedArray = context.obtainStyledAttributes(attrs);
+			@DrawableRes int drawableRes = typedArray.getResourceId(0, 0);
+			typedArray.recycle();
+			attrMap.put(drawableAttr, drawableRes);
+			return drawableRes;
+		}
+	}
+	public static Drawable getTintedAttrDrawable(Context context, @AttrRes int drawableAttr, @AttrRes int colorAttr) {
+		if(tintedDrawables.containsKey(drawableAttr)) {
+			return getTintedDrawable(context, attrMap.get(drawableAttr), colorAttr);
+		}
+
+		@DrawableRes int drawableRes = getDrawableRes(context, drawableAttr);
+		return getTintedDrawable(context, drawableRes, colorAttr);
+	}
+
+	public static void wipeTintCache() {
+		attrMap.clear();
+		tintedDrawables.clear();
+	}
+}