LogLineAdapterUtil.java

package com.nolanlawson.logcat.util;

import android.content.Context;
import android.util.Log;

import com.nolanlawson.logcat.R;
import com.nolanlawson.logcat.data.ColorScheme;
import com.nolanlawson.logcat.helper.PreferenceHelper;

public class LogLineAdapterUtil {
	
	public static final int LOG_WTF = 100; // arbitrary int to signify 'wtf' log level
	
	private static final int NUM_COLORS = 17;
	
	public static int getBackgroundColorForLogLevel(Context context, int logLevel) {
		int result = android.R.color.black;
		switch (logLevel) {
		case Log.DEBUG:
			result = R.color.background_debug;
			break;
		case Log.ERROR:
			result = R.color.background_error;
			break;
		case Log.INFO:
			result = R.color.background_info;
			break;
		case Log.VERBOSE:
			result = R.color.background_verbose;
			break;
		case Log.WARN:
			result = R.color.background_warn;
			break;
		case LOG_WTF:
			result = R.color.background_wtf;
			break;
		}	

		return context.getResources().getColor(result);
	}

	public static int getForegroundColorForLogLevel(Context context, int logLevel) {
		int result = android.R.color.primary_text_dark;
		switch (logLevel) {
		case Log.DEBUG:
			result = R.color.foreground_debug;
			break;
		case Log.ERROR:
			result = R.color.foreground_error;
			break;
		case Log.INFO:
			result = R.color.foreground_info;
			break;
		case Log.VERBOSE:
			result = R.color.foreground_verbose;
			break;
		case Log.WARN:
			result = R.color.foreground_warn;
			break;
		case LOG_WTF:
			result = R.color.foreground_wtf;
			break;
		}
		return context.getResources().getColor(result);
	}	
	
	public static synchronized int getOrCreateTagColor(Context context, String tag) {
		
		int hashCode = (tag == null) ? 0 : tag.hashCode();
		
		int smear = Math.abs(hashCode) % NUM_COLORS;
		
		return getColorAt(smear, context);
				
	}
	
	private static int getColorAt(int i, Context context) {
		
		ColorScheme colorScheme = PreferenceHelper.getColorScheme(context);
		
		int[] colorArray = colorScheme.getTagColors(context);
		
		return colorArray[i];
		
	}

	public static boolean logLevelIsAcceptableGivenLogLevelLimit(int logLevel, int logLevelLimit) {
			
		int minVal = 0;
		switch (logLevel) {
			
			case Log.VERBOSE:
				minVal = 0;
				break;
			case Log.DEBUG:
				minVal = 1;
				break;
			case Log.INFO:
				minVal = 2;
				break;
			case Log.WARN:
				minVal = 3;
				break;
			case Log.ERROR:
				minVal = 4;
				break;
			case LOG_WTF:
				minVal = 5;
				break;
			default: // e.g. the starting line that says "output of log such-and-such"
				return true;
		}
		
		return minVal >= logLevelLimit;

	}
}