1 /*
2  * Copyright (C) 2015 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.deskclock.settings;
18 
19 import android.app.AlertDialog;
20 import android.content.Context;
21 import android.content.res.Resources;
22 import android.content.res.TypedArray;
23 import android.os.Parcelable;
24 import android.preference.DialogPreference;
25 import android.support.annotation.NonNull;
26 import android.util.AttributeSet;
27 import android.view.View;
28 import android.widget.NumberPicker;
29 import android.widget.TextView;
30 
31 import com.android.deskclock.NumberPickerCompat;
32 import com.android.deskclock.R;
33 import com.android.deskclock.Utils;
34 
35 /**
36  * A dialog preference that shows a number picker for selecting snooze length
37  */
38 public final class SnoozeLengthDialog extends DialogPreference {
39 
40     private static final String DEFAULT_SNOOZE_TIME = "10";
41 
42     private NumberPickerCompat mNumberPickerView;
43     private TextView mNumberPickerMinutesView;
44     private final Context mContext;
45     private int mSnoozeMinutes;
46 
SnoozeLengthDialog(Context context, AttributeSet attrs)47     public SnoozeLengthDialog(Context context, AttributeSet attrs) {
48         super(context, attrs);
49         mContext = context;
50         setDialogLayoutResource(R.layout.snooze_length_picker);
51         setTitle(R.string.snooze_duration_title);
52     }
53 
54     @Override
onPrepareDialogBuilder(AlertDialog.Builder builder)55     protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
56         super.onPrepareDialogBuilder(builder);
57         builder.setTitle(getContext().getString(R.string.snooze_duration_title))
58                 .setCancelable(true);
59     }
60 
61     @Override
onBindDialogView(@onNull View view)62     protected void onBindDialogView(@NonNull View view) {
63         super.onBindDialogView(view);
64         mNumberPickerMinutesView = (TextView) view.findViewById(R.id.title);
65         mNumberPickerView = (NumberPickerCompat) view.findViewById(R.id.minutes_picker);
66         mNumberPickerView.setMinValue(1);
67         mNumberPickerView.setMaxValue(30);
68         mNumberPickerView.setValue(mSnoozeMinutes);
69         updateUnits();
70 
71         mNumberPickerView.setOnAnnounceValueChangedListener(
72                 new NumberPickerCompat.OnAnnounceValueChangedListener() {
73             @Override
74             public void onAnnounceValueChanged(NumberPicker picker, int value,
75                     String displayedValue) {
76                 final String announceString = Utils.getNumberFormattedQuantityString(
77                         mContext, R.plurals.snooze_duration, value);
78                 picker.announceForAccessibility(announceString);
79             }
80         });
81     }
82 
83     @Override
onSetInitialValue(boolean restorePersistedValue, Object defaultValue)84     protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) {
85         String val;
86         if (restorePersistedValue) {
87             val = getPersistedString(DEFAULT_SNOOZE_TIME);
88             if (val != null) {
89                 mSnoozeMinutes = Integer.parseInt(val);
90             }
91         } else {
92             val = (String) defaultValue;
93             if (val != null) {
94                 mSnoozeMinutes = Integer.parseInt(val);
95             }
96             persistString(val);
97         }
98     }
99 
100     @Override
onGetDefaultValue(TypedArray a, int index)101     protected Object onGetDefaultValue(TypedArray a, int index) {
102         return a.getString(index);
103     }
104 
105     @Override
onRestoreInstanceState(Parcelable state)106     protected void onRestoreInstanceState(Parcelable state) {
107         // Restore the value to the NumberPicker.
108         super.onRestoreInstanceState(state);
109 
110         // Update the unit display in response to the new value.
111         updateUnits();
112     }
113 
updateUnits()114     private void updateUnits() {
115         if (mNumberPickerView != null) {
116             final Resources res = mContext.getResources();
117             final int value = mNumberPickerView.getValue();
118             final CharSequence units = res.getQuantityText(R.plurals.snooze_picker_label, value);
119             mNumberPickerMinutesView.setText(units);
120         }
121     }
122 
123     @Override
onDialogClosed(boolean positiveResult)124     protected void onDialogClosed(boolean positiveResult) {
125         if (positiveResult) {
126             mNumberPickerView.clearFocus();
127             mSnoozeMinutes = mNumberPickerView.getValue();
128             persistString(Integer.toString(mSnoozeMinutes));
129             setSummary();
130         }
131     }
132 
setSummary()133     public void setSummary() {
134         setSummary(Utils.getNumberFormattedQuantityString(mContext, R.plurals.snooze_duration,
135                 mSnoozeMinutes));
136     }
137 }