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package de.luhmer.owncloudnewsreader.helper;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import de.luhmer.owncloudnewsreader.R;
import de.luhmer.owncloudnewsreader.database.model.Feed;
public class ColorHelper {
public static String getCssColor(int color) {
// using %f for the double value would result in a localized string, e.g. 0,12 which
// would be an invalid css color string
return String.format("rgba(%d,%d,%d,%s)",
Color.red(color),
Color.green(color),
Color.blue(color),
Double.toString(Color.alpha(color)/255.0));
}
public static int[] getColorsFromAttributes(Context context, int... attr) {
final TypedArray a = context
.obtainStyledAttributes(attr);
int[] colors = new int[a.getIndexCount()];
for(int i=0; i<a.getIndexCount(); i++) {
colors[i] = a.getColor(i,0);
}
a.recycle();
return colors;
}
public static int getColorFromAttribute(Context context, int attr) {
int[] colors = getColorsFromAttributes(context, attr);
if(colors.length >= 1)
return colors[0];
else
return 0;
}
public static int getFeedColor(Context context, Feed item) {
int color;
if(item != null && item.getAvgColour() != null)
color = Integer.parseInt(item.getAvgColour());
else
color = getColorFromAttribute(context, R.attr.dividerLineColor);
return color;
}
}
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