car-ui-lib/car-ui-lib/src/main/java/com/android/car/ui/preference/CarUiRadioButtonPreference.java

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.car.ui.preference;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.RadioButton;

import androidx.annotation.Nullable;
import androidx.preference.Preference;
import androidx.preference.PreferenceViewHolder;
import androidx.preference.TwoStatePreference;

import com.android.car.ui.R;
import com.android.car.ui.utils.CarUiUtils;

import java.util.function.Consumer;

/** A preference which shows a radio button at the start of the preference. */
@SuppressWarnings("AndroidJdkLibsChecker")
public class CarUiRadioButtonPreference extends TwoStatePreference
        implements UxRestrictablePreference {

    private Consumer<Preference> mRestrictedClickListener;
    private boolean mUxRestricted = false;

    public CarUiRadioButtonPreference(Context context, AttributeSet attrs,
            int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
        init();
    }

    public CarUiRadioButtonPreference(Context context, AttributeSet attrs, int defStyleAttr) {
        this(context, attrs, defStyleAttr, /* defStyleRes= */ 0);
    }

    public CarUiRadioButtonPreference(Context context, AttributeSet attrs) {
        // Reusing preferenceStyle since there is no separate style for TwoStatePreference or
        // CarUiRadioButtonPreference.
        this(context, attrs, CarUiUtils.getAttr(context, R.attr.preferenceStyle,
                android.R.attr.preferenceStyle));
    }

    public CarUiRadioButtonPreference(Context context) {
        this(context, /* attrs= */ null);
    }

    private void init() {
        setLayoutResource(R.layout.car_ui_preference);
        setWidgetLayoutResource(R.layout.car_ui_radio_button_preference_widget);
    }

    @Override
    @SuppressWarnings("RestrictTo")
    public void performClick() {
        if ((isEnabled() || isSelectable()) && isUxRestricted()) {
            if (mRestrictedClickListener != null) {
                mRestrictedClickListener.accept(this);
            }
        } else {
            super.performClick();
        }
    }

    @Override
    public void onBindViewHolder(PreferenceViewHolder holder) {
        super.onBindViewHolder(holder);

        RadioButton radioButton = (RadioButton) CarUiUtils.findViewByRefId(holder.itemView,
                R.id.radio_button);
        radioButton.setChecked(isChecked());

        CarUiUtils.makeAllViewsUxRestricted(holder.itemView, mUxRestricted);
    }

    @Override
    public void setUxRestricted(boolean restricted) {
        if (restricted != mUxRestricted) {
            mUxRestricted = restricted;
            notifyChanged();
        }
    }

    @Override
    public boolean isUxRestricted() {
        return mUxRestricted;
    }

    @Override
    public void setOnClickWhileRestrictedListener(@Nullable Consumer<Preference> listener) {
        mRestrictedClickListener = listener;
    }

    @Nullable
    @Override
    public Consumer<Preference> getOnClickWhileRestrictedListener() {
        return mRestrictedClickListener;
    }
}