show attachment emoji in conversation previews

src/org/thoughtcrime/securesms/database/ThreadDatabase.java

@@ -620,13 +620,18 @@ public class ThreadDatabase extends Database {
   private @NonNull String getFormattedBodyFor(@NonNull MessageRecord messageRecord) {
     if (messageRecord.isMms()) {
       MmsMessageRecord record = (MmsMessageRecord) messageRecord;
-      if (record.getSlideDeck().getBody())
       if (record.getSharedContacts().size() > 0) {
         Contact contact = ((MmsMessageRecord) messageRecord).getSharedContacts().get(0);
         return ContactUtil.getStringSummary(context, contact).toString();
       }
+      String attachmentString = record.getSlideDeck().getBody();
+      if (!attachmentString.isEmpty()) {
+        if (!messageRecord.getBody().isEmpty()) {
+          attachmentString = attachmentString + ": " + messageRecord.getBody();
+        }
+        return attachmentString;
+      }
     }
-
     return messageRecord.getBody();
   }
 

src/org/thoughtcrime/securesms/mms/OutgoingMediaMessage.java

@@ -146,13 +146,10 @@ public class OutgoingMediaMessage {
   }
 
   private static String buildMessage(SlideDeck slideDeck, String message) {
-    if (!TextUtils.isEmpty(message) && !TextUtils.isEmpty(slideDeck.getBody())) {
+    if (!TextUtils.isEmpty(message)) {
-      return slideDeck.getBody() + "\n\n" + message;
-    } else if (!TextUtils.isEmpty(message)) {
       return message;
-    } else {
-      return slideDeck.getBody();
     }
+    return "";
   }
 
 }

src/org/thoughtcrime/securesms/mms/Slide.java

@@ -22,8 +22,6 @@ import android.net.Uri;
 import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import com.google.android.exoplayer2.util.MimeTypes;
-
 import org.thoughtcrime.securesms.attachments.Attachment;
 import org.thoughtcrime.securesms.attachments.UriAttachment;
 import org.thoughtcrime.securesms.database.AttachmentDatabase;
@@ -64,7 +62,7 @@ public abstract class Slide {
   public Optional<String> getBody() {
     String attachmentString = context.getString(R.string.attachment);
 
-    if (MimeTypes.isAudio(attachment.getContentType())) {
+    if (MediaUtil.isAudio(attachment)) {
       // a missing filename is the legacy way to determine if an audio attachment is
       // a voice note vs. other arbitrary audio attachments.
       if (attachment.isVoiceNote() || !attachment.getFileName().isEmpty()) {
@@ -72,20 +70,20 @@ public abstract class Slide {
         return Optional.fromNullable("🎤 " + attachmentString);
       }
     }
-    return Optional.fromNullable(emojiForMimeType(attachment.getContentType()) + attachmentString);
+    return Optional.fromNullable(emojiForMimeType() + attachmentString);
   }
 
-  private String emojiForMimeType(String contentType) {
+  private String emojiForMimeType() {
-    if (MimeTypes.isVideo(contentType)) {
+    if (MediaUtil.isImage(attachment)) {
       return "📷 ";
-    } else if (MimeTypes.isVideo(contentType)) {
+    } else if (MediaUtil.isVideo(attachment)) {
       return "🎥 ";
-    } else if (MimeTypes.isAudio(contentType)) {
+    } else if (MediaUtil.isAudio(attachment)) {
       return "🎧 ";
-    } else if (MimeTypes.is) {
+    } else if (MediaUtil.isFile(attachment)) {
-      return "🎡 ";
-    } else {
       return "📎 ";
+    } else {
+      return "🎡 ";
     }
   }