Add support for inline video playback of gifs in Conversation.

app/src/main/java/org/thoughtcrime/securesms/messagedetails/MessageDetailsActivity.java

@@ -5,6 +5,7 @@ import android.content.Intent;
 import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
 import android.view.MenuItem;
+import android.widget.FrameLayout;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.ViewModelProviders;
@@ -15,6 +16,9 @@ import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.color.MaterialColor;
 import org.thoughtcrime.securesms.database.MmsSmsDatabase;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4PlaybackController;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4ProjectionPlayerHolder;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4ProjectionRecycler;
 import org.thoughtcrime.securesms.messagedetails.MessageDetailsAdapter.MessageDetailsViewState;
 import org.thoughtcrime.securesms.messagedetails.MessageDetailsViewModel.Factory;
 import org.thoughtcrime.securesms.mms.GlideApp;
@@ -65,6 +69,7 @@ public final class MessageDetailsActivity extends PassphraseRequiredActivity {
     initializeList();
     initializeViewModel();
     initializeActionBar();
+    initializeVideoPlayer();
   }
 
   @Override
@@ -113,6 +118,15 @@ public final class MessageDetailsActivity extends PassphraseRequiredActivity {
     });
   }
 
+  private void initializeVideoPlayer() {
+    FrameLayout                          videoContainer = findViewById(R.id.video_container);
+    RecyclerView                         recyclerView   = findViewById(R.id.message_details_list);
+    List<GiphyMp4ProjectionPlayerHolder> holders        = GiphyMp4ProjectionPlayerHolder.injectVideoViews(this, getLifecycle(), videoContainer, 1);
+    GiphyMp4ProjectionRecycler           callback       = new GiphyMp4ProjectionRecycler(holders);
+
+    GiphyMp4PlaybackController.attach(recyclerView, callback, 1);
+  }
+
   private void initializeActionBar() {
     requireSupportActionBar().setDisplayHomeAsUpEnabled(true);
     requireSupportActionBar().setTitle(R.string.AndroidManifest__message_details);

app/src/main/java/org/thoughtcrime/securesms/messagedetails/MessageHeaderViewHolder.java

@@ -3,7 +3,11 @@ package org.thoughtcrime.securesms.messagedetails;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.graphics.Color;
+import android.graphics.Rect;
+import android.graphics.drawable.ColorDrawable;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.ViewStub;
 import android.widget.TextView;
 
@@ -12,16 +16,24 @@ import androidx.annotation.Nullable;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.google.android.exoplayer2.source.MediaSource;
+
 import org.signal.core.util.ThreadUtil;
 import org.signal.core.util.concurrent.SignalExecutors;
+import org.signal.core.util.logging.Log;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.conversation.ConversationItem;
 import org.thoughtcrime.securesms.conversation.ConversationMessage;
+import org.thoughtcrime.securesms.conversation.MaskDrawable;
 import org.thoughtcrime.securesms.database.model.MessageRecord;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4Playable;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4PlaybackPolicyEnforcer;
+import org.thoughtcrime.securesms.giph.mp4.GiphyMp4Projection;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.ExpirationUtil;
+import org.thoughtcrime.securesms.video.exo.AttachmentMediaSourceFactory;
 import org.whispersystems.libsignal.util.guava.Optional;
 
 import java.sql.Date;
@@ -29,7 +41,7 @@ import java.text.SimpleDateFormat;
 import java.util.HashSet;
 import java.util.Locale;
 
-final class MessageHeaderViewHolder extends RecyclerView.ViewHolder {
+final class MessageHeaderViewHolder extends RecyclerView.ViewHolder implements GiphyMp4Playable {
   private final TextView         sentDate;
   private final TextView         receivedDate;
   private final TextView         expiresIn;
@@ -42,6 +54,7 @@ final class MessageHeaderViewHolder extends RecyclerView.ViewHolder {
   private final ViewStub         updateStub;
   private final ViewStub         sentStub;
   private final ViewStub         receivedStub;
+  private final MaskDrawable     maskDrawable;
 
   private       GlideRequests    glideRequests;
   private       ConversationItem conversationItem;
@@ -63,6 +76,9 @@ final class MessageHeaderViewHolder extends RecyclerView.ViewHolder {
     updateStub      = itemView.findViewById(R.id.message_details_header_message_view_update);
     sentStub        = itemView.findViewById(R.id.message_details_header_message_view_sent_multimedia);
     receivedStub    = itemView.findViewById(R.id.message_details_header_message_view_received_multimedia);
+
+    maskDrawable = new MaskDrawable(itemView.getBackground());
+    itemView.setBackground(maskDrawable);
   }
 
   void bind(@NonNull LifecycleOwner lifecycleOwner, @Nullable ConversationMessage conversationMessage, boolean running) {
@@ -88,7 +104,20 @@ final class MessageHeaderViewHolder extends RecyclerView.ViewHolder {
         conversationItem = (ConversationItem) receivedStub.inflate();
       }
     }
-    conversationItem.bind(lifecycleOwner, conversationMessage, Optional.absent(), Optional.absent(), glideRequests, Locale.getDefault(), new HashSet<>(), conversationMessage.getMessageRecord().getRecipient(), null, false, false, false);
+    conversationItem.bind(lifecycleOwner,
+                          conversationMessage,
+                          Optional.absent(),
+                          Optional.absent(),
+                          glideRequests,
+                          Locale.getDefault(),
+                          new HashSet<>(),
+                          conversationMessage.getMessageRecord().getRecipient(),
+                          null,
+                          false,
+                          false,
+                          false,
+                          new AttachmentMediaSourceFactory(conversationItem.getContext()),
+                          true);
   }
 
   private void bindErrorState(MessageRecord messageRecord) {
@@ -181,6 +210,39 @@ final class MessageHeaderViewHolder extends RecyclerView.ViewHolder {
     ((ClipboardManager) itemView.getContext().getSystemService(Context.CLIPBOARD_SERVICE)).setPrimaryClip(ClipData.newPlainText("text", text));
   }
 
+  @Override
+  public void showProjectionArea() {
+    conversationItem.showProjectionArea();
+    maskDrawable.setMask(null);
+  }
+
+  @Override
+  public void hideProjectionArea() {
+    conversationItem.hideProjectionArea();
+    maskDrawable.setMask(conversationItem.getThumbnailMaskingRect((ViewGroup) itemView));
+    maskDrawable.setCorners(conversationItem.getThumbnailCornerMask(itemView).getRadii());
+  }
+
+  @Override
+  public @Nullable MediaSource getMediaSource() {
+    return conversationItem.getMediaSource();
+  }
+
+  @Override
+  public @Nullable GiphyMp4PlaybackPolicyEnforcer getPlaybackPolicyEnforcer() {
+    return conversationItem.getPlaybackPolicyEnforcer();
+  }
+
+  @Override
+  public @NonNull GiphyMp4Projection getProjection(@NonNull RecyclerView recyclerview) {
+    return conversationItem.getProjection(recyclerview);
+  }
+
+  @Override public
+  boolean canPlayContent() {
+    return conversationItem.canPlayContent();
+  }
+
   private class ExpiresUpdater implements Runnable {
 
     private final long    expireStartedTimestamp;