From ba2a219168721680cd6e5e553a35a7cbf2614e22 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Mon, 6 Jul 2020 22:14:58 +0800
Subject: Show a preview image before autoplaying video is loaded.

---
 .../infinityforreddit/Adapter/PostRecyclerViewAdapter.java | 14 +++++++++++++-
 .../main/res/layout/item_post_detail_video_autoplay.xml    |  7 +++++++
 app/src/main/res/layout/item_post_video_type_autoplay.xml  |  9 ++++++++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
index 0537e0e8..7bc347b6 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
@@ -522,6 +522,8 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
 
                 if (holder instanceof PostVideoAutoplayViewHolder) {
                     ((PostVideoAutoplayViewHolder) holder).aspectRatioFrameLayout.setAspectRatio((float) post.getPreviewWidth() / post.getPreviewHeight());
+                    ((PostVideoAutoplayViewHolder) holder).previewImageView.setVisibility(View.VISIBLE);
+                    mGlide.load(post.getPreviewUrl()).apply(RequestOptions.noTransformation()).into(((PostVideoAutoplayViewHolder) holder).previewImageView);
                     ((PostVideoAutoplayViewHolder) holder).bindVideoUri(Uri.parse(post.getVideoUrl()));
                 } else if (holder instanceof PostVideoAndGifPreviewViewHolder) {
                     if (post.getPostType() == Post.VIDEO_TYPE) {
@@ -1351,6 +1353,8 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
             if (holder instanceof PostVideoAutoplayViewHolder) {
                 ((PostVideoAutoplayViewHolder) holder).muteButton.setVisibility(View.GONE);
                 ((PostVideoAutoplayViewHolder) holder).resetVolume();
+                mGlide.clear(((PostVideoAutoplayViewHolder) holder).previewImageView);
+                ((PostVideoAutoplayViewHolder) holder).previewImageView.setVisibility(View.GONE);
             } else if (holder instanceof PostImageAndGifAutoplayViewHolder) {
                 mGlide.clear(((PostImageAndGifAutoplayViewHolder) holder).imageView);
                 ((PostImageAndGifAutoplayViewHolder) holder).imageView.setScaleType(ImageView.ScaleType.FIT_START);
@@ -1884,6 +1888,8 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
         CustomTextView awardsTextView;
         @BindView(R.id.aspect_ratio_frame_layout_item_post_video_type_autoplay)
         AspectRatioFrameLayout aspectRatioFrameLayout;
+        @BindView(R.id.preview_image_view_item_post_video_type_autoplay)
+        ImageView previewImageView;
         @BindView(R.id.player_view_item_post_video_type_autoplay)
         PlayerView videoPlayer;
         @BindView(R.id.mute_exo_playback_control_view)
@@ -2024,6 +2030,12 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                     public void onCues(List<Cue> cues) {
 
                     }
+
+                    @Override
+                    public void onRenderedFirstFrame() {
+                        mGlide.clear(previewImageView);
+                        previewImageView.setVisibility(View.GONE);
+                    }
                 });
             }
             helper.initialize(container, playbackInfo);
@@ -2054,7 +2066,7 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
 
         @Override
         public boolean wantsToPlay() {
-            return ToroUtil.visibleAreaOffset(this, itemView.getParent()) >= 0.85;
+            return ToroUtil.visibleAreaOffset(this, itemView.getParent()) >= 0.75;
         }
 
         @Override
diff --git a/app/src/main/res/layout/item_post_detail_video_autoplay.xml b/app/src/main/res/layout/item_post_detail_video_autoplay.xml
index 6ee5736a..b8b75860 100644
--- a/app/src/main/res/layout/item_post_detail_video_autoplay.xml
+++ b/app/src/main/res/layout/item_post_detail_video_autoplay.xml
@@ -202,6 +202,13 @@
         android:background="#000000"
         app:resize_mode="fixed_width">
 
+        <ImageView
+            android:id="@+id/preview_image_view_item_post_detail_video_autoplay"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scaleType="fitStart"
+            android:visibility="gone" />
+
         <com.google.android.exoplayer2.ui.PlayerView
             android:id="@+id/player_view_item_post_detail_video_autoplay"
             android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/item_post_video_type_autoplay.xml b/app/src/main/res/layout/item_post_video_type_autoplay.xml
index 5db83d38..c5713565 100644
--- a/app/src/main/res/layout/item_post_video_type_autoplay.xml
+++ b/app/src/main/res/layout/item_post_video_type_autoplay.xml
@@ -206,7 +206,14 @@
                 android:id="@+id/player_view_item_post_video_type_autoplay"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                app:controller_layout_id="@layout/exo_autoplay_playback_control_view"/>
+                app:controller_layout_id="@layout/exo_autoplay_playback_control_view" />
+
+            <ImageView
+                android:id="@+id/preview_image_view_item_post_video_type_autoplay"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:scaleType="fitStart"
+                android:visibility="gone" />
 
         </com.google.android.exoplayer2.ui.AspectRatioFrameLayout>
 
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