From 8031e1e521f5e051f11c48ac5ebdda0956837e9c Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Sun, 10 Dec 2017 21:33:48 +0100
Subject: Refined avatar generation a bit

---
 .../java/de/pixart/messenger/utils/UIHelper.java   | 69 ++++++++++++++++++----
 1 file changed, 58 insertions(+), 11 deletions(-)

(limited to 'src/main/java/de/pixart/messenger/utils')

diff --git a/src/main/java/de/pixart/messenger/utils/UIHelper.java b/src/main/java/de/pixart/messenger/utils/UIHelper.java
index a5c0aa317..d3e44999f 100644
--- a/src/main/java/de/pixart/messenger/utils/UIHelper.java
+++ b/src/main/java/de/pixart/messenger/utils/UIHelper.java
@@ -30,34 +30,75 @@ import de.pixart.messenger.xmpp.jid.Jid;
 
 public class UIHelper {
 
-    private static int COLORS[] = {
+    private static int[] UNSAFE_COLORS = {
+            0xFFF44336, //red 500
+            0xFFE53935, //red 600
+            0xFFD32F2F, //red 700
+            0xFFC62828, //red 800
+            0xFFEF6C00, //orange 800
+            0xFFF4511E, //deep orange 600
+            0xFFE64A19, //deep orange 700
+            0xFFD84315, //deep orange 800,
+    };
+
+    private static int[] SAFE_COLORS = {
             0xFFE91E63, //pink 500
+            0xFFD81B60, //pink 600
+            0xFFC2185B, //pink 700
             0xFFAD1457, //pink 800
+
             0xFF9C27B0, //purple 500
+            0xFF8E24AA, //purple 600
+            0xFF7B1FA2, //purple 700
             0xFF6A1B9A, //purple 800
+
             0xFF673AB7, //deep purple 500,
+            0xFF5E35B1, //deep purple 600
+            0xFF512DA8, //deep purple 700
             0xFF4527A0, //deep purple 800,
+
             0xFF3F51B5, //indigo 500,
+            0xFF3949AB,//indigo 600
+            0xFF303F9F,//indigo 700
             0xFF283593, //indigo 800
+
             0xFF2196F3, //blue 500
+            0xFF1E88E5, //blue 600
+            0xFF1976D2, //blue 700
             0xFF1565C0, //blue 800
+
             0xFF03A9F4, //light blue 500
+            0xFF039BE5, //light blue 600
+            0xFF0288D1, //light blue 700
             0xFF0277BD, //light blue 800
+
             0xFF00BCD4, //cyan 500
+            0xFF00ACC1, //cyan 600
+            0xFF0097A7, //cyan 700
             0xFF00838F, //cyan 800
+
             0xFF009688, //teal 500,
+            0xFF00897B, //teal 600
+            0xFF00796B, //teal 700
             0xFF00695C, //teal 800,
+
             //0xFF558B2F, //light green 800
-            0xFFC0CA33, //lime 600
+            //0xFFC0CA33, //lime 600
             0xFF9E9D24, //lime 800
-            0xFFEF6C00, //orange 800
-            0xFFD84315, //deep orange 800,
+
             0xFF795548, //brown 500,
             //0xFF4E342E, //brown 800
             0xFF607D8B, //blue grey 500,
-            0xFF37474F //blue grey 800
+            //0xFF37474F //blue grey 800
     };
 
+    private static final int[] COLORS;
+
+    static {
+        COLORS = Arrays.copyOf(SAFE_COLORS, SAFE_COLORS.length + UNSAFE_COLORS.length);
+        System.arraycopy(UNSAFE_COLORS, 0, COLORS, SAFE_COLORS.length, UNSAFE_COLORS.length);
+    }
+
     private static final List<String> LOCATION_QUESTIONS = Arrays.asList(
             "where are you", //en
             "where are you now", //en
@@ -78,7 +119,7 @@ public class UIHelper {
             "donde estas" //es
     );
 
-    private static final List<Character> PUNCTIONATION = Arrays.asList('.',',','?','!',';',':');
+    private static final List<Character> PUNCTIONATION = Arrays.asList('.', ',', '?', '!', ';', ':');
 
     private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
             | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
@@ -177,18 +218,24 @@ public class UIHelper {
     }
 
     public static int getColorForName(String name) {
+        return getColorForName(name, false);
+    }
+
+    public static int getColorForName(String name, boolean safe) {
         if (name == null || name.isEmpty()) {
             return 0xFF202020;
         }
-        return COLORS[getIntForName(name) % COLORS.length];
+        if (safe) {
+            return SAFE_COLORS[(int) (getLongForName(name) % SAFE_COLORS.length)];
+        } else {
+            return COLORS[(int) (getLongForName(name) % COLORS.length)];
+        }
     }
 
-    private static int getIntForName(String name) {
+    private static long getLongForName(String name) {
         try {
             final MessageDigest messageDigest = MessageDigest.getInstance("MD5");
-            messageDigest.update(name.getBytes());
-            byte[] bytes = messageDigest.digest();
-            return Math.abs(new BigInteger(bytes).intValue());
+            return Math.abs(new BigInteger(messageDigest.digest(name.getBytes())).longValue());
         } catch (Exception e) {
             return 0;
         }
-- 
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