Add support for GIF playback in 'see replies' bottom sheet.

app/src/main/java/org/thoughtcrime/securesms/conversation/quotes/MessageQuotesBottomSheet.kt

@@ -21,6 +21,11 @@ import org.thoughtcrime.securesms.database.model.MessageId
 import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4ItemDecoration
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4PlaybackController
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4PlaybackPolicy
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4ProjectionPlayerHolder
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4ProjectionRecycler
 import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.groups.GroupMigrationMembershipChange
 import org.thoughtcrime.securesms.linkpreview.LinkPreview
@@ -101,6 +106,24 @@ class MessageQuotesBottomSheet : FixedRoundedCornerBottomSheetDialogFragment() {
       colorizer.onNameColorsChanged(map)
       messageAdapter.notifyItemRangeChanged(0, messageAdapter.itemCount, ConversationAdapter.PAYLOAD_NAME_COLORS)
     }
+
+    initializeGiphyMp4(view.findViewById(R.id.video_container) as ViewGroup, list)
+  }
+
+  private fun initializeGiphyMp4(videoContainer: ViewGroup, list: RecyclerView): GiphyMp4ProjectionRecycler {
+    val maxPlayback = GiphyMp4PlaybackPolicy.maxSimultaneousPlaybackInConversation()
+    val holders = GiphyMp4ProjectionPlayerHolder.injectVideoViews(
+      requireContext(),
+      viewLifecycleOwner.lifecycle,
+      videoContainer,
+      maxPlayback
+    )
+    val callback = GiphyMp4ProjectionRecycler(holders)
+
+    GiphyMp4PlaybackController.attach(list, callback, maxPlayback)
+    list.addItemDecoration(GiphyMp4ItemDecoration(callback) {}, 0)
+
+    return callback
   }
 
   private fun getCallback(): Callback {

app/src/main/res/layout/message_quotes_bottom_sheet.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical">
@@ -11,11 +12,28 @@
         android:layout_height="2dp"
         android:layout_gravity="center_horizontal"
         android:layout_marginTop="16dp"
-        android:background="@color/signal_icon_tint_tab_unselected" />
+        android:background="@color/signal_icon_tint_tab_unselected"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+
+    <FrameLayout
+        android:id="@+id/video_container"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="@id/quotes_list"
+        app:layout_constraintEnd_toEndOf="@id/quotes_list"
+        app:layout_constraintStart_toStartOf="@id/quotes_list"
+        app:layout_constraintTop_toTopOf="@id/quotes_list" />
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/quotes_list"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        android:paddingBottom="24dp"
+        android:clipToPadding="false"
+        app:layout_constraintTop_toBottomOf="@id/anchor"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
 
-</LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>