Add gmail-style "to me" and "cc me" indicators in messagelist

res/values/strings.xml

@@ -975,4 +975,6 @@ Welcome to K-9 Mail setup.  K-9 is an open source mail client for Android origin
 
     <string name="debug_logging_enabled">Debug logging to Android logging system enabled</string>
 
+    <string name="messagelist_sent_to_me_format">» <xliff:g id="sender">%s</xliff:g></string>
+    <string name="messagelist_sent_cc_me_format">› <xliff:g id="sender">%s</xliff:g></string>
 </resources>

src/com/fsck/k9/activity/MessageInfoHolder.java

@@ -23,6 +23,8 @@ public class MessageInfoHolder
     public boolean downloaded;
     public boolean partially_downloaded;
     public boolean dirty;
+    public boolean toMe;
+    public boolean ccMe;
     public Message message;
     public FolderInfoHolder folder;
     public boolean selected;

src/com/fsck/k9/activity/MessageList.java

@@ -2678,25 +2678,28 @@ public class MessageList
                  * compose a custom view containing the preview and the
                  * from.
                  */
-                holder.preview.setText(new SpannableStringBuilder(message.sender).append(" ").append(message.preview),
+
+                CharSequence sender = formatSender(message);
+                holder.preview.setText(new SpannableStringBuilder(sender).append(" ").append(message.preview),
                                        TextView.BufferType.SPANNABLE);
                 Spannable str = (Spannable)holder.preview.getText();
 
                 // Create our span sections, and assign a format to each.
                 str.setSpan(new StyleSpan(Typeface.BOLD),
                             0,
-                            message.sender.length(),
+                            sender.length(),
                             Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
                            );
                 str.setSpan(new ForegroundColorSpan(Color.rgb(128,128,128)), // TODO: How do I can specify the android.R.attr.textColorTertiary
-                            message.sender.length(),
+                            sender.length(),
                             str.length(),
                             Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
                            );
             }
             else
             {
-                holder.from.setText(message.sender);
+                holder.from.setText(formatSender(message));
+
                 holder.from.setTypeface(null, message.read ? Typeface.NORMAL : Typeface.BOLD);
             }
 
@@ -2709,6 +2712,22 @@ public class MessageList
             holder.position = position;
         }
 
+        private CharSequence formatSender (MessageInfoHolder message)
+        {
+            if (message.toMe)
+            {
+                return String.format(getString(R.string.messagelist_sent_to_me_format), message.sender);
+            } else if (message.ccMe)
+            {
+                return String.format(getString(R.string.messagelist_sent_cc_me_format), message.sender);
+            }
+            else
+            {
+                return message.sender;
+            }
+        }
+
+
         public View getFooterView(int position, View convertView, ViewGroup parent)
         {
             if (footerView == null)

src/com/fsck/k9/helper/MessageHelper.java

@@ -98,6 +98,24 @@ public class MessageHelper
                 target.senderAddress = target.compareCounterparty;
             }
 
+
+
+            for (Address address : message.getRecipients(RecipientType.TO)) {
+                if (account.isAnIdentity(address))
+                    {
+                        target.toMe = true;
+                    }
+            }
+
+           if (target.toMe == false ) {
+            for(Address address : message.getRecipients(RecipientType.CC)) {
+                if (account.isAnIdentity(address))
+                    {
+                        target.ccMe = true;
+                    }
+            }
+            }
+
             target.subject = message.getSubject();
 
             target.uid = message.getUid();