From ba75aa6d9176d923a8b2b88a24b06ccca119978f Mon Sep 17 00:00:00 2001
From: Grishka <git@grishka.me>
Date: Mon, 17 Jan 2022 23:09:47 +0300
Subject: [PATCH] Clear images in StatusListFragment when it becomes invisible

---
 .../android/fragments/HomeFragment.java       |  6 +++++
 .../android/fragments/StatusListFragment.java | 22 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/HomeFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/HomeFragment.java
index 7c3c934ea..ee1552e3b 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/HomeFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/HomeFragment.java
@@ -43,4 +43,10 @@ public class HomeFragment extends AppKitFragment{
 
 		return content;
 	}
+
+	@Override
+	public void onHiddenChanged(boolean hidden){
+		super.onHiddenChanged(hidden);
+		homeTimelineFragment.onHiddenChanged(hidden);
+	}
 }
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java
index b3df11aea..5d92ffc8c 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/StatusListFragment.java
@@ -12,6 +12,7 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 import me.grishka.appkit.fragments.BaseRecyclerFragment;
 import me.grishka.appkit.imageloader.ImageLoaderRecyclerAdapter;
+import me.grishka.appkit.imageloader.ImageLoaderViewHolder;
 import me.grishka.appkit.imageloader.requests.ImageLoaderRequest;
 import me.grishka.appkit.utils.BindableViewHolder;
 import me.grishka.appkit.views.UsableRecyclerView;
@@ -54,6 +55,27 @@ public abstract class StatusListFragment extends BaseRecyclerFragment<Status>{
 		adapter.notifyItemRangeInserted(0, offset);
 	}
 
+	@Override
+	protected void onHidden(){
+		super.onHidden();
+		imgLoader.deactivate();
+		UsableRecyclerView list=(UsableRecyclerView) this.list;
+		for(int i=0;i<list.getChildCount();i++){
+			RecyclerView.ViewHolder holder=list.getChildViewHolder(list.getChildAt(i));
+			if(holder instanceof ImageLoaderViewHolder){
+				for(int j=0;j<list.getImageCountForItem(holder.getAbsoluteAdapterPosition());j++){
+					((ImageLoaderViewHolder) holder).clearImage(j);
+				}
+			}
+		}
+	}
+
+	@Override
+	protected void onShown(){
+		super.onShown();
+		imgLoader.activate();
+	}
+
 	protected class DisplayItemsAdapter extends UsableRecyclerView.Adapter<BindableViewHolder<StatusDisplayItem>> implements ImageLoaderRecyclerAdapter{
 
 		public DisplayItemsAdapter(){