1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.settings.widget; 18 19 import android.content.Context; 20 import android.text.TextUtils; 21 import android.util.AttributeSet; 22 23 import androidx.preference.PreferenceViewHolder; 24 import androidx.preference.SwitchPreference; 25 26 import com.android.tv.twopanelsettings.slices.CustomContentDescriptionUtil; 27 import com.android.tv.twopanelsettings.slices.HasCustomContentDescription; 28 29 /** 30 * Preference that allows external classes to set its view's content description for accessibility 31 * purposes. 32 */ 33 public class CustomContentDescriptionSwitchPreference extends SwitchPreference implements 34 HasCustomContentDescription { 35 36 private String mContentDescription; 37 CustomContentDescriptionSwitchPreference(Context context, AttributeSet attrs)38 public CustomContentDescriptionSwitchPreference(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 } 41 42 @Override onBindViewHolder(PreferenceViewHolder holder)43 public void onBindViewHolder(PreferenceViewHolder holder) { 44 super.onBindViewHolder(holder); 45 if (!TextUtils.isEmpty(mContentDescription)) { 46 holder.itemView.setContentDescription( 47 CustomContentDescriptionUtil.getFullSwitchContentDescription( 48 getContext(), mContentDescription, this.isChecked())); 49 } 50 } 51 52 /** 53 * Sets the accessibility content description that will be read to the TalkBack users when they 54 * focus on this preference. 55 */ setContentDescription(String contentDescription)56 public void setContentDescription(String contentDescription) { 57 this.mContentDescription = contentDescription; 58 } 59 getContentDescription()60 public String getContentDescription() { 61 return mContentDescription; 62 } 63 } 64