@Override
public boolean animateChange(
RecyclerView.ViewHolder oldHolder,
RecyclerView.ViewHolder newHolder,
int fromX,
int fromY,
int toX,
int toY) {
if (oldHolder == newHolder) {
// Don't know how to run change animations when the same view holder is re-used.
// run a move animation to handle position changes.
return animateMove(oldHolder, fromX, fromY, toX, toY);
}
final float prevTranslationX = ViewCompat.getTranslationX(oldHolder.itemView);
final float prevTranslationY = ViewCompat.getTranslationY(oldHolder.itemView);
final float prevAlpha = ViewCompat.getAlpha(oldHolder.itemView);
resetAnimation(oldHolder);
int deltaX = (int) (toX - fromX - prevTranslationX);
int deltaY = (int) (toY - fromY - prevTranslationY);
// recover prev translation state after ending animation
ViewCompat.setTranslationX(oldHolder.itemView, prevTranslationX);
ViewCompat.setTranslationY(oldHolder.itemView, prevTranslationY);
ViewCompat.setAlpha(oldHolder.itemView, prevAlpha);
if (newHolder != null) {
// carry over translation values
resetAnimation(newHolder);
ViewCompat.setTranslationX(newHolder.itemView, -deltaX);
ViewCompat.setTranslationY(newHolder.itemView, -deltaY);
ViewCompat.setAlpha(newHolder.itemView, 0);
}
mPendingChanges.add(new ChangeInfo(oldHolder, newHolder, fromX, fromY, toX, toY));
return true;
}
public boolean animateChange(RecyclerView.ViewHolder paramViewHolder1, RecyclerView.ViewHolder paramViewHolder2, int paramInt1, int paramInt2, int paramInt3, int paramInt4)
{
float f1 = ViewCompat.getTranslationX(itemView);
float f2 = ViewCompat.getTranslationY(itemView);
float f3 = ViewCompat.getAlpha(itemView);
endAnimation(paramViewHolder1);
int i = (int)(paramInt3 - paramInt1 - f1);
int j = (int)(paramInt4 - paramInt2 - f2);
ViewCompat.setTranslationX(itemView, f1);
ViewCompat.setTranslationY(itemView, f2);
ViewCompat.setAlpha(itemView, f3);
if ((paramViewHolder2 != null) && (itemView != null))
{
endAnimation(paramViewHolder2);
ViewCompat.setTranslationX(itemView, -i);
ViewCompat.setTranslationY(itemView, -j);
ViewCompat.setAlpha(itemView, 0.0F);
}
mPendingChanges.add(new DefaultItemAnimator.ChangeInfo(paramViewHolder1, paramViewHolder2, paramInt1, paramInt2, paramInt3, paramInt4, null));
return true;
}
@Override
public boolean animateChange(
ViewHolder oldHolder, ViewHolder newHolder, int fromX, int fromY, int toX, int toY) {
final float prevTranslationX = ViewCompat.getTranslationX(oldHolder.itemView);
final float prevTranslationY = ViewCompat.getTranslationY(oldHolder.itemView);
final float prevAlpha = ViewCompat.getAlpha(oldHolder.itemView);
endAnimation(oldHolder);
int deltaX = (int) (toX - fromX - prevTranslationX);
int deltaY = (int) (toY - fromY - prevTranslationY);
// recover prev translation state after ending animation
ViewCompat.setTranslationX(oldHolder.itemView, prevTranslationX);
ViewCompat.setTranslationY(oldHolder.itemView, prevTranslationY);
ViewCompat.setAlpha(oldHolder.itemView, prevAlpha);
if (newHolder != null && newHolder.itemView != null) {
// carry over translation values
endAnimation(newHolder);
ViewCompat.setTranslationX(newHolder.itemView, -deltaX);
ViewCompat.setTranslationY(newHolder.itemView, -deltaY);
ViewCompat.setAlpha(newHolder.itemView, 0);
}
mPendingChanges.add(new ChangeInfo(oldHolder, newHolder, fromX, fromY, toX, toY));
return true;
}
private boolean intersectVisibleToUser(Rect rect) {
if (rect == null || rect.isEmpty()) {
return false;
}
if (mView.getWindowVisibility() != 0) {
return false;
}
Object obj;
for (obj = mView.getParent(); obj instanceof View; obj = ((View) (obj)).getParent()) {
obj = (View) obj;
if (ViewCompat.getAlpha(((View) (obj))) <= 0.0F || ((View) (obj)).getVisibility() != 0) {
return false;
}
}
if (obj == null) {
return false;
}
if (!mView.getLocalVisibleRect(mTempVisibleRect)) {
return false;
} else {
return rect.intersect(mTempVisibleRect);
}
}