mirror of https://github.com/TeamNewPipe/NewPipe
57 lines
2.1 KiB
Java
57 lines
2.1 KiB
Java
package org.schabi.newpipe.player.playqueue;
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import androidx.recyclerview.widget.ItemTouchHelper;
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import androidx.recyclerview.widget.RecyclerView;
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public abstract class PlayQueueItemTouchCallback extends ItemTouchHelper.SimpleCallback {
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private static final int MINIMUM_INITIAL_DRAG_VELOCITY = 10;
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private static final int MAXIMUM_INITIAL_DRAG_VELOCITY = 25;
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public PlayQueueItemTouchCallback() {
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super(ItemTouchHelper.UP | ItemTouchHelper.DOWN, ItemTouchHelper.RIGHT);
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}
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public abstract void onMove(int sourceIndex, int targetIndex);
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public abstract void onSwiped(int index);
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@Override
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public int interpolateOutOfBoundsScroll(final RecyclerView recyclerView, final int viewSize,
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final int viewSizeOutOfBounds, final int totalSize,
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final long msSinceStartScroll) {
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final int standardSpeed = super.interpolateOutOfBoundsScroll(recyclerView, viewSize,
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viewSizeOutOfBounds, totalSize, msSinceStartScroll);
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final int clampedAbsVelocity = Math.max(MINIMUM_INITIAL_DRAG_VELOCITY,
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Math.min(Math.abs(standardSpeed), MAXIMUM_INITIAL_DRAG_VELOCITY));
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return clampedAbsVelocity * (int) Math.signum(viewSizeOutOfBounds);
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}
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@Override
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public boolean onMove(final RecyclerView recyclerView, final RecyclerView.ViewHolder source,
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final RecyclerView.ViewHolder target) {
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if (source.getItemViewType() != target.getItemViewType()) {
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return false;
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}
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final int sourceIndex = source.getLayoutPosition();
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final int targetIndex = target.getLayoutPosition();
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onMove(sourceIndex, targetIndex);
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return true;
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}
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@Override
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public boolean isLongPressDragEnabled() {
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return false;
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}
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@Override
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public boolean isItemViewSwipeEnabled() {
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return true;
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}
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@Override
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public void onSwiped(final RecyclerView.ViewHolder viewHolder, final int swipeDir) {
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onSwiped(viewHolder.getBindingAdapterPosition());
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}
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}
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