64 lines
1.7 KiB
Java
64 lines
1.7 KiB
Java
/*
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* Copyright © 2013 The Android Open Source Project
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* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.widget;
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import android.content.Context;
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import android.os.Parcelable;
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import android.util.AttributeSet;
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import android.widget.Switch;
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import com.wireguard.util.NonNullForAll;
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import androidx.annotation.Nullable;
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@NonNullForAll
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public class ToggleSwitch extends Switch {
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private boolean isRestoringState;
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@Nullable private OnBeforeCheckedChangeListener listener;
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public ToggleSwitch(final Context context) {
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this(context, null);
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}
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@SuppressWarnings({"SameParameterValue", "WeakerAccess"})
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public ToggleSwitch(final Context context, @Nullable final AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public void onRestoreInstanceState(final Parcelable state) {
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isRestoringState = true;
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super.onRestoreInstanceState(state);
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isRestoringState = false;
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}
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@Override
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public void setChecked(final boolean checked) {
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if (checked == isChecked())
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return;
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if (isRestoringState || listener == null) {
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super.setChecked(checked);
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return;
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}
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setEnabled(false);
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listener.onBeforeCheckedChanged(this, checked);
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}
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public void setCheckedInternal(final boolean checked) {
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super.setChecked(checked);
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setEnabled(true);
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}
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public void setOnBeforeCheckedChangeListener(final OnBeforeCheckedChangeListener listener) {
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this.listener = listener;
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}
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public interface OnBeforeCheckedChangeListener {
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void onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked);
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}
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}
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