1 /* 2 * Copyright (C) 2021 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.car.settings.applications; 18 19 import android.app.Application; 20 import android.app.usage.UsageStats; 21 import android.car.drivingstate.CarUxRestrictions; 22 import android.content.Context; 23 import android.os.UserHandle; 24 import android.text.format.DateUtils; 25 26 import androidx.annotation.VisibleForTesting; 27 import androidx.preference.Preference; 28 import androidx.preference.PreferenceCategory; 29 30 import com.android.car.settings.R; 31 import com.android.car.settings.common.FragmentController; 32 import com.android.car.settings.common.PreferenceController; 33 import com.android.car.ui.preference.CarUiPreference; 34 import com.android.settingslib.applications.ApplicationsState; 35 36 import java.util.ArrayList; 37 import java.util.List; 38 39 /** 40 * Class responsible for displaying recently used apps. 41 */ 42 public class RecentAppsListPreferenceController extends PreferenceController<PreferenceCategory> 43 implements RecentAppsItemManager.RecentAppStatsListener { 44 45 private ApplicationsState mApplicationsState; 46 private int mUserId; 47 private List<UsageStats> mRecentAppStats; 48 private int mMaxRecentAppsCount; 49 RecentAppsListPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)50 public RecentAppsListPreferenceController(Context context, String preferenceKey, 51 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 52 this(context, preferenceKey, fragmentController, uxRestrictions, ApplicationsState 53 .getInstance((Application) context.getApplicationContext())); 54 } 55 56 @VisibleForTesting RecentAppsListPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions, ApplicationsState applicationsState)57 RecentAppsListPreferenceController(Context context, String preferenceKey, 58 FragmentController fragmentController, CarUxRestrictions uxRestrictions, 59 ApplicationsState applicationsState) { 60 super(context, preferenceKey, fragmentController, uxRestrictions); 61 mApplicationsState = applicationsState; 62 mUserId = UserHandle.myUserId(); 63 mRecentAppStats = new ArrayList<>(); 64 mMaxRecentAppsCount = getContext().getResources().getInteger( 65 R.integer.recent_apps_max_count); 66 } 67 68 @Override onRecentAppStatsLoaded(List<UsageStats> recentAppStats)69 public void onRecentAppStatsLoaded(List<UsageStats> recentAppStats) { 70 mRecentAppStats = recentAppStats; 71 refreshUi(); 72 } 73 74 @Override getPreferenceType()75 protected Class<PreferenceCategory> getPreferenceType() { 76 return PreferenceCategory.class; 77 } 78 79 @Override updateState(PreferenceCategory preferenceCategory)80 protected void updateState(PreferenceCategory preferenceCategory) { 81 preferenceCategory.setVisible(!mRecentAppStats.isEmpty()); 82 preferenceCategory.removeAll(); 83 84 int prefCount = 0; 85 for (UsageStats usageStats : mRecentAppStats) { 86 Preference pref = createPreference(getContext(), usageStats); 87 88 if (pref != null) { 89 getPreference().addPreference(pref); 90 prefCount++; 91 if (prefCount == mMaxRecentAppsCount) { 92 break; 93 } 94 } 95 } 96 } 97 createPreference(Context context, UsageStats usageStats)98 private Preference createPreference(Context context, UsageStats usageStats) { 99 String pkgName = usageStats.getPackageName(); 100 ApplicationsState.AppEntry appEntry = mApplicationsState.getEntry(pkgName, mUserId); 101 102 if (appEntry == null) { 103 return null; 104 } 105 106 Preference pref = new CarUiPreference(context); 107 pref.setTitle(appEntry.label); 108 pref.setIcon(appEntry.icon); 109 pref.setSummary(DateUtils.getRelativeTimeSpanString(usageStats.getLastTimeStamp(), 110 System.currentTimeMillis(), DateUtils.SECOND_IN_MILLIS)); 111 pref.setOnPreferenceClickListener(p -> { 112 getFragmentController().launchFragment( 113 ApplicationDetailsFragment.getInstance(pkgName)); 114 return true; 115 }); 116 117 return pref; 118 } 119 } 120