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