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.ComponentName; 21 import android.content.Context; 22 import android.graphics.drawable.Drawable; 23 24 import com.android.settings.R; 25 import com.android.settings.widget.RadioButtonPickerFragment; 26 import com.android.settingslib.dream.DreamBackend; 27 import com.android.settingslib.dream.DreamBackend.DreamInfo; 28 import com.android.settingslib.widget.CandidateInfo; 29 30 import java.util.HashMap; 31 import java.util.List; 32 import java.util.Map; 33 import java.util.stream.Collectors; 34 35 public final class CurrentDreamPicker extends RadioButtonPickerFragment { 36 37 private DreamBackend mBackend; 38 39 @Override onAttach(Context context)40 public void onAttach(Context context) { 41 super.onAttach(context); 42 43 mBackend = DreamBackend.getInstance(context); 44 } 45 46 @Override getPreferenceScreenResId()47 protected int getPreferenceScreenResId() { 48 return R.xml.current_dream_settings; 49 } 50 51 @Override getMetricsCategory()52 public int getMetricsCategory() { 53 return SettingsEnums.DREAM; 54 } 55 56 @Override setDefaultKey(String key)57 protected boolean setDefaultKey(String key) { 58 Map<String, ComponentName> componentNameMap = getDreamComponentsMap(); 59 if (componentNameMap.get(key) != null) { 60 mBackend.setActiveDream(componentNameMap.get(key)); 61 return true; 62 } 63 return false; 64 } 65 66 @Override getDefaultKey()67 protected String getDefaultKey() { 68 return mBackend.getActiveDream().flattenToString(); 69 } 70 71 @Override getCandidates()72 protected List<? extends CandidateInfo> getCandidates() { 73 final List<DreamCandidateInfo> candidates; 74 candidates = mBackend.getDreamInfos().stream() 75 .map(DreamCandidateInfo::new) 76 .collect(Collectors.toList()); 77 78 return candidates; 79 } 80 81 @Override onSelectionPerformed(boolean success)82 protected void onSelectionPerformed(boolean success) { 83 super.onSelectionPerformed(success); 84 85 getActivity().finish(); 86 } 87 getDreamComponentsMap()88 private Map<String, ComponentName> getDreamComponentsMap() { 89 Map<String, ComponentName> comps = new HashMap<>(); 90 mBackend.getDreamInfos() 91 .forEach((info) -> 92 comps.put(info.componentName.flattenToString(), info.componentName)); 93 94 return comps; 95 } 96 97 private static final class DreamCandidateInfo extends CandidateInfo { 98 private final CharSequence name; 99 private final Drawable icon; 100 private final String key; 101 DreamCandidateInfo(DreamInfo info)102 DreamCandidateInfo(DreamInfo info) { 103 super(true); 104 105 name = info.caption; 106 icon = info.icon; 107 key = info.componentName.flattenToString(); 108 } 109 110 @Override loadLabel()111 public CharSequence loadLabel() { 112 return name; 113 } 114 115 @Override loadIcon()116 public Drawable loadIcon() { 117 return icon; 118 } 119 120 @Override getKey()121 public String getKey() { 122 return key; 123 } 124 } 125 } 126