Quit dropping inline attachments on the floor

If we have image/* attachments with "Content-Disposition: inline" we would
fetch the images immediately, then drop them on the floor instead of saving
them to the DB.

Add code to catch these attachments and save them.

b/13132802

Change-Id: I5203bb1aa518aa46cdb3a38ead6f79af63b521ac

src/com/android/email/LegacyConversions.java

@@ -21,6 +21,7 @@ import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
+import android.text.TextUtils;
 
 import com.android.emailcommon.Logging;
 import com.android.emailcommon.internet.MimeBodyPart;
@@ -170,6 +171,18 @@ public class LegacyConversions {
         }
     }
 
+    public static void updateInlineAttachments(Context context, EmailContent.Message localMessage,
+            ArrayList<Part> inlineAttachments) throws MessagingException, IOException {
+        for (final Part inlinePart : inlineAttachments) {
+            final String disposition = MimeUtility.getHeaderParameter(
+                    MimeUtility.unfoldAndDecode(inlinePart.getDisposition()), null);
+            if (!TextUtils.isEmpty(disposition)) {
+                // Treat inline parts as attachments
+                addOneAttachment(context, localMessage, inlinePart);
+            }
+        }
+    }
+
     /**
      * Add a single attachment part to the message
      *

src/com/android/email/provider/Utilities.java

@@ -137,6 +137,7 @@ public class Utilities {
                         && loadStatus != EmailContent.Message.FLAG_LOADED_UNKNOWN) {
                     // TODO(pwestbro): What should happen with unknown status?
                     LegacyConversions.updateAttachments(context, localMessage, attachments);
+                    LegacyConversions.updateInlineAttachments(context, localMessage, viewables);
                 } else {
                     EmailContent.Attachment att = new EmailContent.Attachment();
                     // Since we haven't actually loaded the attachment, we're just putting