1 /* 2 * Copyright (C) 2018 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.connecteddevice.usb; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.provider.SearchIndexableResource; 22 23 import androidx.annotation.VisibleForTesting; 24 25 import com.android.settings.R; 26 import com.android.settings.dashboard.DashboardFragment; 27 import com.android.settings.search.BaseSearchIndexProvider; 28 import com.android.settings.search.Indexable; 29 import com.android.settingslib.core.AbstractPreferenceController; 30 import com.android.settingslib.search.SearchIndexable; 31 32 import com.google.android.collect.Lists; 33 34 import java.util.ArrayList; 35 import java.util.List; 36 37 /** 38 * Controls the USB device details and provides updates to individual controllers. 39 */ 40 @SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC) 41 public class UsbDetailsFragment extends DashboardFragment { 42 private static final String TAG = UsbDetailsFragment.class.getSimpleName(); 43 44 private List<UsbDetailsController> mControllers; 45 private UsbBackend mUsbBackend; 46 47 @VisibleForTesting 48 UsbConnectionBroadcastReceiver mUsbReceiver; 49 50 private UsbConnectionBroadcastReceiver.UsbConnectionListener mUsbConnectionListener = 51 (connected, functions, powerRole, dataRole) -> { 52 for (UsbDetailsController controller : mControllers) { 53 controller.refresh(connected, functions, powerRole, dataRole); 54 } 55 }; 56 57 @Override getMetricsCategory()58 public int getMetricsCategory() { 59 return SettingsEnums.USB_DEVICE_DETAILS; 60 } 61 62 @Override getLogTag()63 protected String getLogTag() { 64 return TAG; 65 } 66 67 @Override getPreferenceScreenResId()68 protected int getPreferenceScreenResId() { 69 return R.xml.usb_details_fragment; 70 } 71 72 @Override createPreferenceControllers(Context context)73 protected List<AbstractPreferenceController> createPreferenceControllers(Context context) { 74 mUsbBackend = new UsbBackend(context); 75 mControllers = createControllerList(context, mUsbBackend, this); 76 mUsbReceiver = new UsbConnectionBroadcastReceiver(context, mUsbConnectionListener, 77 mUsbBackend); 78 this.getSettingsLifecycle().addObserver(mUsbReceiver); 79 80 return new ArrayList<>(mControllers); 81 } 82 createControllerList(Context context, UsbBackend usbBackend, UsbDetailsFragment fragment)83 private static List<UsbDetailsController> createControllerList(Context context, 84 UsbBackend usbBackend, UsbDetailsFragment fragment) { 85 List<UsbDetailsController> ret = new ArrayList<>(); 86 ret.add(new UsbDetailsHeaderController(context, fragment, usbBackend)); 87 ret.add(new UsbDetailsDataRoleController(context, fragment, usbBackend)); 88 ret.add(new UsbDetailsFunctionsController(context, fragment, usbBackend)); 89 ret.add(new UsbDetailsPowerRoleController(context, fragment, usbBackend)); 90 return ret; 91 } 92 93 /** 94 * For Search. 95 */ 96 public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 97 new BaseSearchIndexProvider() { 98 @Override 99 public List<SearchIndexableResource> getXmlResourcesToIndex( 100 Context context, boolean enabled) { 101 SearchIndexableResource res = new SearchIndexableResource(context); 102 res.xmlResId = R.xml.usb_details_fragment; 103 return Lists.newArrayList(res); 104 } 105 106 @Override 107 public List<AbstractPreferenceController> createPreferenceControllers( 108 Context context) { 109 return new ArrayList<>( 110 createControllerList(context, new UsbBackend(context), null)); 111 } 112 }; 113 } 114