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 
25 import com.android.tv.twopanelsettings.slices.CustomContentDescriptionUtil;
26 import com.android.tv.twopanelsettings.slices.HasCustomContentDescription;
27 
28 /**
29  * Preference that allows external classes to set its view's content description for accessibility
30  * purposes.
31  */
32 public class CustomContentDescriptionSwitchPreference extends SwitchWithSoundPreference implements
33         HasCustomContentDescription {
34 
35     private String mContentDescription;
36 
CustomContentDescriptionSwitchPreference(Context context, AttributeSet attrs)37     public CustomContentDescriptionSwitchPreference(Context context, AttributeSet attrs) {
38         super(context, attrs);
39     }
40 
41     @Override
onBindViewHolder(PreferenceViewHolder holder)42     public void onBindViewHolder(PreferenceViewHolder holder) {
43         super.onBindViewHolder(holder);
44         if (!TextUtils.isEmpty(mContentDescription)) {
45             holder.itemView.setContentDescription(
46                     CustomContentDescriptionUtil.getFullSwitchContentDescription(
47                             getContext(), mContentDescription, this.isChecked()));
48         }
49     }
50 
51     /**
52      * Sets the accessibility content description that will be read to the TalkBack users when they
53      * focus on this preference.
54      */
setContentDescription(String contentDescription)55     public void setContentDescription(String contentDescription) {
56         this.mContentDescription = contentDescription;
57     }
58 
getContentDescription()59     public String getContentDescription() {
60         return mContentDescription;
61     }
62 }
63