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Prevent change animation from firing on thread updates.

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This commit is contained in:
Cody Henthorne
2026-03-05 11:48:14 -05:00
committed by jeffrey-signal
parent 5b543c5212
commit 49d3f7652d
1 changed files with 34 additions and 1 deletions
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35
app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListItemAnimator.java
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@@ -3,10 +3,14 @@ package org.thoughtcrime.securesms.conversationlist;
import android.os.Handler;
import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.DefaultItemAnimator;
import androidx.recyclerview.widget.RecyclerView;
import org.signal.core.util.logging.Log;
import java.util.List;
public class ConversationListItemAnimator extends DefaultItemAnimator {
private static final String TAG = Log.tag(ConversationListItemAnimator.class);
@@ -14,6 +18,7 @@ public class ConversationListItemAnimator extends DefaultItemAnimator {
private static final long ANIMATION_DURATION = 200;
private boolean shouldDisable;
private int pendingChangeMoves;
public ConversationListItemAnimator() {
setMoveDuration(0);
@@ -21,6 +26,35 @@ public class ConversationListItemAnimator extends DefaultItemAnimator {
setChangeDuration(ANIMATION_DURATION);
}
@Override
public boolean animateChange(@NonNull RecyclerView.ViewHolder oldHolder, @NonNull RecyclerView.ViewHolder newHolder, int fromX, int fromY, int toX, int toY) {
if (fromX != toX || fromY != toY) {
pendingChangeMoves++;
return animateMove(newHolder, fromX, fromY, toX, toY);
}
dispatchChangeFinished(newHolder, true);
return false;
}
@Override
public void runPendingAnimations() {
if (pendingChangeMoves > 0) {
pendingChangeMoves = 0;
long previousMoveDuration = getMoveDuration();
setMoveDuration(getChangeDuration());
super.runPendingAnimations();
setMoveDuration(previousMoveDuration);
} else {
super.runPendingAnimations();
}
}
@Override
public boolean canReuseUpdatedViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, @NonNull List<Object> payloads) {
return true;
}
@MainThread
public void enable() {
setMoveDuration(ANIMATION_DURATION);
@@ -42,7 +76,6 @@ public class ConversationListItemAnimator extends DefaultItemAnimator {
setChangeDuration(ANIMATION_DURATION);
}
/**
* We need to reasonably ensure that the animation has started before we disable things here, so we add a slight delay.
*/