Update reaction text for GIFs.

app/src/main/java/org/thoughtcrime/securesms/mms/SlideDeck.java

@@ -151,9 +151,9 @@ public class SlideDeck {
     return null;
   }
 
-  public @Nullable String getFirstSlideContentType() {
+  public @Nullable Slide getFirstSlide() {
     if (Util.hasItems(slides)) {
-      return slides.get(0).getContentType();
+      return slides.get(0);
     }
 
     return null;

app/src/main/java/org/thoughtcrime/securesms/notifications/v2/NotificationItemV2.kt

@@ -61,15 +61,22 @@ sealed class NotificationItemV2(val threadRecipient: Recipient, protected val re
     val thumbnailSlide: Slide? = messageRecord.slideDeck.thumbnailSlide
 
     return if (thumbnailSlide == null) {
-      val slideContentType: String? = messageRecord.slideDeck.firstSlideContentType
-      if (slideContentType != null) {
-        slideContentType
+      val slide: Slide? = messageRecord.slideDeck.firstSlide
+
+      if (slide != null && slide.isVideoGif) {
+        MediaUtil.IMAGE_GIF
+      } else if (slide != null) {
+        slide.contentType
       } else {
-        Log.w(TAG, "Could not distinguish view-once content type from message record, defaulting to JPEG")
+        Log.w(TAG, "Could not distinguish content type from message record, defaulting to JPEG")
         MediaUtil.IMAGE_JPEG
       }
     } else {
-      thumbnailSlide.contentType
+      if (thumbnailSlide.isVideoGif) {
+        MediaUtil.IMAGE_GIF
+      } else {
+        thumbnailSlide.contentType
+      }
     }
   }
 
@@ -283,6 +290,8 @@ class ReactionNotification(threadRecipient: Recipient, record: MessageRecord, va
       context.getString(R.string.MessageNotifier_reacted_s_to_s, EMOJI_REPLACEMENT_STRING, body)
     } else if (record.isMediaMessage() && MediaUtil.isVideoType(getMessageContentType((record as MmsMessageRecord)))) {
       context.getString(R.string.MessageNotifier_reacted_s_to_your_video, EMOJI_REPLACEMENT_STRING)
+    } else if (record.isMediaMessage() && MediaUtil.isGif(getMessageContentType((record as MmsMessageRecord)))) {
+      context.getString(R.string.MessageNotifier_reacted_s_to_your_gif, EMOJI_REPLACEMENT_STRING)
     } else if (record.isMediaMessage() && MediaUtil.isImageType(getMessageContentType((record as MmsMessageRecord)))) {
       context.getString(R.string.MessageNotifier_reacted_s_to_your_image, EMOJI_REPLACEMENT_STRING)
     } else if (record.isMediaMessage() && MediaUtil.isAudioType(getMessageContentType((record as MmsMessageRecord)))) {

app/src/main/res/values/strings.xml

@@ -1781,6 +1781,7 @@
     <string name="MessageNotifier_reacted_s_to_s">Reacted %1$s to: \"%2$s\".</string>
     <string name="MessageNotifier_reacted_s_to_your_video">Reacted %1$s to your video.</string>
     <string name="MessageNotifier_reacted_s_to_your_image">Reacted %1$s to your image.</string>
+    <string name="MessageNotifier_reacted_s_to_your_gif">Reacted %1$s to your GIF.</string>
     <string name="MessageNotifier_reacted_s_to_your_file">Reacted %1$s to your file.</string>
     <string name="MessageNotifier_reacted_s_to_your_audio">Reacted %1$s to your audio.</string>
     <string name="MessageNotifier_reacted_s_to_your_view_once_media">Reacted %1$s to your view-once media.</string>