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.content.Context; 20 21 import androidx.preference.Preference; 22 23 import com.android.settings.Utils; 24 import com.android.settings.core.BasePreferenceController; 25 import com.android.settings.widget.GearPreference; 26 import com.android.settingslib.RestrictedPreference; 27 import com.android.settingslib.dream.DreamBackend; 28 import com.android.settingslib.dream.DreamBackend.DreamInfo; 29 30 import java.util.Optional; 31 32 public class CurrentDreamPreferenceController extends BasePreferenceController { 33 34 private final DreamBackend mBackend; 35 CurrentDreamPreferenceController(Context context, String key)36 public CurrentDreamPreferenceController(Context context, String key) { 37 super(context, key); 38 mBackend = DreamBackend.getInstance(context); 39 } 40 41 @Override getAvailabilityStatus()42 public int getAvailabilityStatus() { 43 return mBackend.getDreamInfos().size() > 0 ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; 44 } 45 46 @Override updateState(Preference preference)47 public void updateState(Preference preference) { 48 super.updateState(preference); 49 setGearClickListenerForPreference(preference); 50 setActiveDreamIcon(preference); 51 } 52 53 @Override getSummary()54 public CharSequence getSummary() { 55 return mBackend.getActiveDreamName(); 56 } 57 setGearClickListenerForPreference(Preference preference)58 private void setGearClickListenerForPreference(Preference preference) { 59 if (!(preference instanceof GearPreference)) { 60 return; 61 } 62 63 final GearPreference gearPreference = (GearPreference) preference; 64 final Optional<DreamInfo> info = getActiveDreamInfo(); 65 if (!info.isPresent() || info.get().settingsComponentName == null) { 66 gearPreference.setOnGearClickListener(null); 67 return; 68 } 69 gearPreference.setOnGearClickListener(gearPref -> launchScreenSaverSettings()); 70 } 71 launchScreenSaverSettings()72 private void launchScreenSaverSettings() { 73 final Optional<DreamInfo> info = getActiveDreamInfo(); 74 if (!info.isPresent()) return; 75 mBackend.launchSettings(mContext, info.get()); 76 } 77 getActiveDreamInfo()78 private Optional<DreamInfo> getActiveDreamInfo() { 79 return mBackend.getDreamInfos() 80 .stream() 81 .filter((info) -> info.isActive) 82 .findFirst(); 83 } 84 setActiveDreamIcon(Preference preference)85 private void setActiveDreamIcon(Preference preference) { 86 if (!(preference instanceof GearPreference)) { 87 return; 88 } 89 final GearPreference gearPref = (GearPreference) preference; 90 gearPref.setIconSize(RestrictedPreference.ICON_SIZE_SMALL); 91 gearPref.setIcon(Utils.getSafeIcon(mBackend.getActiveIcon())); 92 } 93 } 94