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/*
* Copyright © 2018 Harsh Shandilya <msfjarvis@gmail.com>
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.widget.fab;
import android.content.Context;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.Snackbar;
import android.util.AttributeSet;
import android.view.View;
public class FloatingActionButtonBehavior extends CoordinatorLayout.Behavior<FloatingActionsMenu> {
public FloatingActionButtonBehavior(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
@Override
public boolean layoutDependsOn(final CoordinatorLayout parent, final FloatingActionsMenu child,
final View dependency) {
return dependency instanceof Snackbar.SnackbarLayout;
}
@Override
public boolean onDependentViewChanged(final CoordinatorLayout parent, final FloatingActionsMenu child,
final View dependency) {
child.setBehaviorYTranslation(Math.min(0, dependency.getTranslationY() - dependency.getMeasuredHeight()));
return true;
}
@Override
public void onDependentViewRemoved(final CoordinatorLayout parent, FloatingActionsMenu child,
final View dependency) {
// TODO(msf): animate this so it isn't so dramatic when the snackbar is swiped away
child.setBehaviorYTranslation(0);
}
}
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