1 /* 2 * Copyright (C) 2017 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.dream; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.graphics.drawable.Drawable; 22 23 import com.android.settings.R; 24 import com.android.settings.widget.RadioButtonPickerFragment; 25 import com.android.settingslib.dream.DreamBackend; 26 import com.android.settingslib.widget.CandidateInfo; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 public class WhenToDreamPicker extends RadioButtonPickerFragment { 32 33 private static final String TAG = "WhenToDreamPicker"; 34 private DreamBackend mBackend; 35 36 @Override onAttach(Context context)37 public void onAttach(Context context) { 38 super.onAttach(context); 39 40 mBackend = DreamBackend.getInstance(context); 41 } 42 43 @Override getPreferenceScreenResId()44 protected int getPreferenceScreenResId() { 45 return R.xml.when_to_dream_settings; 46 } 47 48 @Override getMetricsCategory()49 public int getMetricsCategory() { 50 return SettingsEnums.DREAM; 51 } 52 53 @Override getCandidates()54 protected List<? extends CandidateInfo> getCandidates() { 55 final String[] entries = entries(); 56 final String[] values = keys(); 57 final List<WhenToDreamCandidateInfo> candidates = new ArrayList<>(); 58 59 if (entries == null || entries.length <= 0) return null; 60 if (values == null || values.length != entries.length) { 61 throw new IllegalArgumentException("Entries and values must be of the same length."); 62 } 63 64 for (int i = 0; i < entries.length; i++) { 65 candidates.add(new WhenToDreamCandidateInfo(entries[i], values[i])); 66 } 67 68 return candidates; 69 } 70 entries()71 private String[] entries() { 72 return getResources().getStringArray(R.array.when_to_start_screensaver_entries); 73 } 74 keys()75 private String[] keys() { 76 return getResources().getStringArray(R.array.when_to_start_screensaver_values); 77 } 78 79 @Override getDefaultKey()80 protected String getDefaultKey() { 81 return DreamSettings.getKeyFromSetting(mBackend.getWhenToDreamSetting()); 82 } 83 84 @Override setDefaultKey(String key)85 protected boolean setDefaultKey(String key) { 86 mBackend.setWhenToDream(DreamSettings.getSettingFromPrefKey(key)); 87 return true; 88 } 89 90 @Override onSelectionPerformed(boolean success)91 protected void onSelectionPerformed(boolean success) { 92 super.onSelectionPerformed(success); 93 94 getActivity().finish(); 95 } 96 97 private final class WhenToDreamCandidateInfo extends CandidateInfo { 98 private final String name; 99 private final String key; 100 WhenToDreamCandidateInfo(String title, String value)101 WhenToDreamCandidateInfo(String title, String value) { 102 super(true); 103 104 name = title; 105 key = value; 106 } 107 108 @Override loadLabel()109 public CharSequence loadLabel() { 110 return name; 111 } 112 113 @Override loadIcon()114 public Drawable loadIcon() { 115 return null; 116 } 117 118 @Override getKey()119 public String getKey() { 120 return key; 121 } 122 } 123 } 124