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.twopanelsettings.slices; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 22 /** 23 * An embedded slice preference which would be embedded in common TvSettings preference 24 * items, but will automatically update its status and communicates with external apps through 25 * slice api. 26 */ 27 public class EmbeddedSlicePreference extends SlicePreference 28 implements HasCustomContentDescription { 29 private static final String TAG = "EmbeddedSlicePreference"; 30 private final EmbeddedSlicePreferenceHelper mHelper; 31 private String mContentDescription; 32 EmbeddedSlicePreference(Context context, String uri)33 public EmbeddedSlicePreference(Context context, String uri) { 34 super(context); 35 setUri(uri); 36 mHelper = new EmbeddedSlicePreferenceHelper(this, getUri()); 37 } 38 EmbeddedSlicePreference(Context context, AttributeSet attrs)39 public EmbeddedSlicePreference(Context context, AttributeSet attrs) { 40 super(context, attrs); 41 mHelper = new EmbeddedSlicePreferenceHelper(this, getUri()); 42 } 43 44 @Override onAttached()45 public void onAttached() { 46 super.onAttached(); 47 mHelper.onAttached(); 48 } 49 50 @Override onDetached()51 public void onDetached() { 52 super.onDetached(); 53 mHelper.onDetached(); 54 } 55 addListener(EmbeddedSlicePreferenceHelper.SlicePreferenceListener listener)56 public void addListener(EmbeddedSlicePreferenceHelper.SlicePreferenceListener listener) { 57 mHelper.mListener = listener; 58 } 59 removeListener(EmbeddedSlicePreferenceHelper.SlicePreferenceListener listener)60 public void removeListener(EmbeddedSlicePreferenceHelper.SlicePreferenceListener listener) { 61 mHelper.mListener = null; 62 } 63 update()64 void update() { 65 setEnabled(mHelper.mNewPref.isEnabled()); 66 setTitle(mHelper.mNewPref.getTitle()); 67 setSummary(mHelper.mNewPref.getSummary()); 68 setIcon(mHelper.mNewPref.getIcon()); 69 if (mHelper.mNewPref instanceof HasSliceAction 70 && ((HasSliceAction) mHelper.mNewPref).getSliceAction() != null) { 71 setIntent(((HasSliceAction) mHelper.mNewPref).getSliceAction().getAction().getIntent()); 72 } 73 } 74 75 76 /** 77 * Sets the accessibility content description that will be read to the TalkBack users when they 78 * focus on this preference. 79 */ setContentDescription(String contentDescription)80 public void setContentDescription(String contentDescription) { 81 this.mContentDescription = contentDescription; 82 } 83 getContentDescription()84 public String getContentDescription() { 85 return mContentDescription; 86 } 87 } 88