| /* |
| * Copyright (C) 2018 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.content.res.TypedArray; |
| import android.util.AttributeSet; |
| |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| |
| import com.android.car.ui.R; |
| import com.android.car.ui.preference.CarUiEditTextPreference; |
| import com.android.car.ui.preference.CarUiPreference; |
| |
| /** |
| * {@link PreferenceGroup} which does not display a title, icon, or summary. This allows for |
| * logical grouping of preferences without indications in the UI. |
| */ |
| public class LogicalPreferenceGroup extends PreferenceGroup { |
| |
| private final boolean mShouldShowChevron; |
| |
| public LogicalPreferenceGroup(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| setLayoutResource(R.layout.logical_preference_group); |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, |
| R.styleable.PreferenceGroup, |
| defStyleAttr, |
| defStyleRes); |
| |
| mShouldShowChevron = a.getBoolean(R.styleable.PreferenceGroup_showChevron, true); |
| a.recycle(); |
| } |
| |
| public LogicalPreferenceGroup(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public LogicalPreferenceGroup(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public LogicalPreferenceGroup(Context context) { |
| this(context, null); |
| } |
| |
| @Override |
| public boolean addPreference(Preference preference) { |
| updateShowChevron(preference); |
| |
| return super.addPreference(preference); |
| } |
| |
| protected void updateShowChevron(Preference preference) { |
| if (!mShouldShowChevron && (preference instanceof CarUiPreference |
| || preference instanceof CarUiEditTextPreference)) { |
| ((CarUiPreference) preference).setShowChevron(false); |
| } |
| } |
| } |