/* * Copyright © 2013 The Android Open Source Project * SPDX-License-Identifier: Apache-2.0 */ package com.wireguard.android.widget; import android.content.Context; import android.os.Parcelable; import android.util.AttributeSet; import android.widget.Switch; public class ToggleSwitch extends Switch { private boolean isRestoringState; private OnBeforeCheckedChangeListener listener; @SuppressWarnings({"SameParameterValue", "WeakerAccess"}) public ToggleSwitch(final Context context, final AttributeSet attrs) { super(context, attrs); } public ToggleSwitch(final Context context) { this(context, null); } @Override public void onRestoreInstanceState(final Parcelable state) { isRestoringState = true; super.onRestoreInstanceState(state); isRestoringState = false; } @Override public void setChecked(final boolean checked) { if (checked == isChecked()) return; if (isRestoringState || listener == null) { super.setChecked(checked); return; } setEnabled(false); listener.onBeforeCheckedChanged(this, checked); } public void setCheckedInternal(final boolean checked) { super.setChecked(checked); setEnabled(true); } public void setOnBeforeCheckedChangeListener(final OnBeforeCheckedChangeListener listener) { this.listener = listener; } public interface OnBeforeCheckedChangeListener { void onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked); } }