1 /*
2  * Copyright (C) 2019 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.settings.widget;
18 
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 import android.util.AttributeSet;
22 import android.widget.SeekBar;
23 import android.widget.TextView;
24 
25 import androidx.core.content.res.TypedArrayUtils;
26 import androidx.preference.PreferenceViewHolder;
27 
28 import com.android.settings.R;
29 
30 /** A slider preference with left and right labels **/
31 public class LabeledSeekBarPreference extends SeekBarPreference {
32 
33     private final int mTextStartId;
34     private final int mTextEndId;
35     private OnPreferenceChangeListener mStopListener;
36 
LabeledSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)37     public LabeledSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
38             int defStyleRes) {
39 
40         super(context, attrs, defStyleAttr, defStyleRes);
41         setLayoutResource(R.layout.preference_labeled_slider);
42 
43         final TypedArray styledAttrs = context.obtainStyledAttributes(attrs,
44                 R.styleable.LabeledSeekBarPreference);
45         mTextStartId = styledAttrs.getResourceId(
46                 R.styleable.LabeledSeekBarPreference_textStart,
47                 R.string.summary_placeholder);
48         mTextEndId = styledAttrs.getResourceId(
49                 R.styleable.LabeledSeekBarPreference_textEnd,
50                 R.string.summary_placeholder);
51         styledAttrs.recycle();
52     }
53 
LabeledSeekBarPreference(Context context, AttributeSet attrs)54     public LabeledSeekBarPreference(Context context, AttributeSet attrs) {
55         this(context, attrs, TypedArrayUtils.getAttr(context,
56                 androidx.preference.R.attr.seekBarPreferenceStyle,
57                 com.android.internal.R.attr.seekBarPreferenceStyle), 0);
58     }
59 
60     @Override
onBindViewHolder(PreferenceViewHolder holder)61     public void onBindViewHolder(PreferenceViewHolder holder) {
62         super.onBindViewHolder(holder);
63 
64         final TextView startText = (TextView) holder.findViewById(android.R.id.text1);
65         final TextView endText = (TextView) holder.findViewById(android.R.id.text2);
66         startText.setText(mTextStartId);
67         endText.setText(mTextEndId);
68     }
69 
setOnPreferenceChangeStopListener(OnPreferenceChangeListener listener)70     public void setOnPreferenceChangeStopListener(OnPreferenceChangeListener listener) {
71         mStopListener = listener;
72     }
73 
74     @Override
onStopTrackingTouch(SeekBar seekBar)75     public void onStopTrackingTouch(SeekBar seekBar) {
76         super.onStopTrackingTouch(seekBar);
77 
78         if (mStopListener != null) {
79             mStopListener.onPreferenceChange(this, seekBar.getProgress());
80         }
81     }
82 }
83 
84