From c0d5c22a2163ab58c2d1b7cf5e383643a55d67fa Mon Sep 17 00:00:00 2001
From: Ryan ZHAO <ryanzhaors@qq.com>
Date: Wed, 2 Sep 2020 16:59:52 +1000
Subject: [PATCH] WIP: show attachment in conversation preview as iOS

---
 res/values/strings.xml                        |  4 +++
 .../securesms/database/ThreadDatabase.java    | 10 +++++--
 src/org/thoughtcrime/securesms/mms/Slide.java | 29 ++++++++++++++++++-
 3 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4a2b5ca5e3..d61a5ce87c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1855,4 +1855,8 @@
 
     <string name="view_reset_secure_session_done_message">Secure session reset done</string>
 
+    <!-- Attachment message -->
+    <string name="attachment">Attachment</string>
+    <string name="attachment_type_voice_message">Voice Message</string>
+
 </resources>
diff --git a/src/org/thoughtcrime/securesms/database/ThreadDatabase.java b/src/org/thoughtcrime/securesms/database/ThreadDatabase.java
index 1de021e206..d614b412f7 100644
--- a/src/org/thoughtcrime/securesms/database/ThreadDatabase.java
+++ b/src/org/thoughtcrime/securesms/database/ThreadDatabase.java
@@ -618,9 +618,13 @@ public class ThreadDatabase extends Database {
   }
 
   private @NonNull String getFormattedBodyFor(@NonNull MessageRecord messageRecord) {
-    if (messageRecord.isMms() && ((MmsMessageRecord) messageRecord).getSharedContacts().size() > 0) {
-      Contact contact = ((MmsMessageRecord) messageRecord).getSharedContacts().get(0);
-      return ContactUtil.getStringSummary(context, contact).toString();
+    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();
+      }
     }
 
     return messageRecord.getBody();
diff --git a/src/org/thoughtcrime/securesms/mms/Slide.java b/src/org/thoughtcrime/securesms/mms/Slide.java
index 2c5dc1cb16..bd3838c4aa 100644
--- a/src/org/thoughtcrime/securesms/mms/Slide.java
+++ b/src/org/thoughtcrime/securesms/mms/Slide.java
@@ -22,6 +22,7 @@ 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;
@@ -33,6 +34,8 @@ import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.security.SecureRandom;
 
+import network.loki.messenger.R;
+
 public abstract class Slide {
 
   protected final Attachment attachment;
@@ -59,7 +62,31 @@ public abstract class Slide {
 
   @NonNull
   public Optional<String> getBody() {
-    return Optional.absent();
+    String attachmentString = context.getString(R.string.attachment);
+
+    if (MimeTypes.isAudio(attachment.getContentType())) {
+      // 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()) {
+        attachmentString = context.getString(R.string.attachment_type_voice_message);
+        return Optional.fromNullable("🎤 " + attachmentString);
+      }
+    }
+    return Optional.fromNullable(emojiForMimeType(attachment.getContentType()) + attachmentString);
+  }
+
+  private String emojiForMimeType(String contentType) {
+    if (MimeTypes.isVideo(contentType)) {
+      return "📷 ";
+    } else if (MimeTypes.isVideo(contentType)) {
+      return "🎥 ";
+    } else if (MimeTypes.isAudio(contentType)) {
+      return "🎧 ";
+    } else if (MimeTypes.is) {
+      return "🎡 ";
+    } else {
+      return "📎 ";
+    }
   }
 
   @NonNull