/* * Copyright (C) 2021 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.settings.common; import android.content.Context; import android.util.AttributeSet; import androidx.annotation.Nullable; import androidx.preference.Preference; import androidx.preference.PreferenceViewHolder; import com.android.car.ui.preference.CarUiPreference; import java.util.function.Consumer; /** * Preference that can be given a disabled look but still be clickable. This enables behavior such * as showing a Toast message when clicking on a disabled preference to explain why it's disabled. */ public class ClickableWhileDisabledPreference extends CarUiPreference { private Consumer mClickListener; public ClickableWhileDisabledPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); } public ClickableWhileDisabledPreference(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } public ClickableWhileDisabledPreference(Context context, AttributeSet attrs) { super(context, attrs); } public ClickableWhileDisabledPreference(Context context) { super(context); } @Override public void onBindViewHolder(PreferenceViewHolder holder) { super.onBindViewHolder(holder); holder.itemView.setAllowClickWhenDisabled(true); } @Override @SuppressWarnings("RestrictTo") public void performClick() { if (!isEnabled()) { if (mClickListener != null) { mClickListener.accept(this); } } else { super.performClick(); } } /** * Sets the click listener for when the preference is disabled. * @param listener Listener to call when the preference is disabled and clicked. */ public void setDisabledClickListener(@Nullable Consumer listener) { mClickListener = listener; } }