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 package com.android.settings.connecteddevice; 17 18 import static com.android.settings.connecteddevice.display.ExternalDisplaySettingsConfiguration.isExternalDisplaySettingsPageEnabled; 19 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.hardware.input.InputManager; 23 import android.util.FeatureFlagUtils; 24 import android.util.Log; 25 import android.view.InputDevice; 26 27 import androidx.annotation.NonNull; 28 import androidx.annotation.Nullable; 29 import androidx.annotation.VisibleForTesting; 30 import androidx.preference.Preference; 31 import androidx.preference.PreferenceGroup; 32 import androidx.preference.PreferenceScreen; 33 34 import com.android.settings.R; 35 import com.android.settings.bluetooth.BluetoothDeviceUpdater; 36 import com.android.settings.bluetooth.ConnectedBluetoothDeviceUpdater; 37 import com.android.settings.bluetooth.Utils; 38 import com.android.settings.connecteddevice.display.ExternalDisplayUpdater; 39 import com.android.settings.connecteddevice.dock.DockUpdater; 40 import com.android.settings.connecteddevice.stylus.StylusDeviceUpdater; 41 import com.android.settings.connecteddevice.usb.ConnectedUsbDeviceUpdater; 42 import com.android.settings.core.BasePreferenceController; 43 import com.android.settings.core.PreferenceControllerMixin; 44 import com.android.settings.dashboard.DashboardFragment; 45 import com.android.settings.flags.FeatureFlags; 46 import com.android.settings.flags.FeatureFlagsImpl; 47 import com.android.settings.overlay.DockUpdaterFeatureProvider; 48 import com.android.settings.overlay.FeatureFactory; 49 import com.android.settingslib.bluetooth.BluetoothDeviceFilter; 50 import com.android.settingslib.bluetooth.BluetoothUtils; 51 import com.android.settingslib.bluetooth.CachedBluetoothDevice; 52 import com.android.settingslib.bluetooth.LocalBluetoothManager; 53 import com.android.settingslib.core.lifecycle.LifecycleObserver; 54 import com.android.settingslib.core.lifecycle.events.OnStart; 55 import com.android.settingslib.core.lifecycle.events.OnStop; 56 import com.android.settingslib.search.SearchIndexableRaw; 57 58 import java.util.List; 59 60 /** 61 * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all 62 * connected devices. It uses {@link DevicePreferenceCallback} to add/remove {@link Preference} 63 */ 64 public class ConnectedDeviceGroupController extends BasePreferenceController 65 implements PreferenceControllerMixin, LifecycleObserver, OnStart, OnStop, 66 DevicePreferenceCallback { 67 68 private static final String KEY = "connected_device_list"; 69 private static final String TAG = "ConnectedDeviceGroupController"; 70 71 @VisibleForTesting 72 PreferenceGroup mPreferenceGroup; 73 @Nullable 74 private ExternalDisplayUpdater mExternalDisplayUpdater; 75 private BluetoothDeviceUpdater mBluetoothDeviceUpdater; 76 private ConnectedUsbDeviceUpdater mConnectedUsbDeviceUpdater; 77 private DockUpdater mConnectedDockUpdater; 78 private StylusDeviceUpdater mStylusDeviceUpdater; 79 private final PackageManager mPackageManager; 80 private final InputManager mInputManager; 81 private final LocalBluetoothManager mLocalBluetoothManager; 82 @NonNull 83 private final FeatureFlags mFeatureFlags = new FeatureFlagsImpl(); 84 ConnectedDeviceGroupController(Context context)85 public ConnectedDeviceGroupController(Context context) { 86 super(context, KEY); 87 mPackageManager = context.getPackageManager(); 88 mInputManager = context.getSystemService(InputManager.class); 89 mLocalBluetoothManager = Utils.getLocalBluetoothManager(context); 90 } 91 92 @Override onStart()93 public void onStart() { 94 if (mExternalDisplayUpdater != null) { 95 mExternalDisplayUpdater.registerCallback(); 96 mExternalDisplayUpdater.refreshPreference(); 97 } 98 99 if (mBluetoothDeviceUpdater != null) { 100 mBluetoothDeviceUpdater.registerCallback(); 101 mBluetoothDeviceUpdater.refreshPreference(); 102 } 103 104 if (mConnectedUsbDeviceUpdater != null) { 105 mConnectedUsbDeviceUpdater.registerCallback(); 106 } 107 108 if (mConnectedDockUpdater != null) { 109 mConnectedDockUpdater.registerCallback(); 110 } 111 112 if (mStylusDeviceUpdater != null) { 113 mStylusDeviceUpdater.registerCallback(); 114 } 115 } 116 117 @Override onStop()118 public void onStop() { 119 if (mExternalDisplayUpdater != null) { 120 mExternalDisplayUpdater.unregisterCallback(); 121 } 122 123 if (mBluetoothDeviceUpdater != null) { 124 mBluetoothDeviceUpdater.unregisterCallback(); 125 } 126 127 if (mConnectedUsbDeviceUpdater != null) { 128 mConnectedUsbDeviceUpdater.unregisterCallback(); 129 } 130 131 if (mConnectedDockUpdater != null) { 132 mConnectedDockUpdater.unregisterCallback(); 133 } 134 135 if (mStylusDeviceUpdater != null) { 136 mStylusDeviceUpdater.unregisterCallback(); 137 } 138 } 139 140 @Override displayPreference(PreferenceScreen screen)141 public void displayPreference(PreferenceScreen screen) { 142 super.displayPreference(screen); 143 144 mPreferenceGroup = screen.findPreference(KEY); 145 mPreferenceGroup.setVisible(false); 146 147 if (isAvailable()) { 148 final Context context = screen.getContext(); 149 if (mExternalDisplayUpdater != null) { 150 mExternalDisplayUpdater.initPreference(context); 151 } 152 153 if (mBluetoothDeviceUpdater != null) { 154 mBluetoothDeviceUpdater.setPrefContext(context); 155 mBluetoothDeviceUpdater.forceUpdate(); 156 } 157 158 if (mConnectedUsbDeviceUpdater != null) { 159 mConnectedUsbDeviceUpdater.initUsbPreference(context); 160 } 161 162 if (mConnectedDockUpdater != null) { 163 mConnectedDockUpdater.setPreferenceContext(context); 164 mConnectedDockUpdater.forceUpdate(); 165 } 166 167 if (mStylusDeviceUpdater != null) { 168 mStylusDeviceUpdater.setPreferenceContext(context); 169 mStylusDeviceUpdater.forceUpdate(); 170 } 171 } 172 } 173 174 @Override getAvailabilityStatus()175 public int getAvailabilityStatus() { 176 return (hasExternalDisplayFeature() 177 || hasBluetoothFeature() 178 || hasUsbFeature() 179 || hasUsiStylusFeature() 180 || mConnectedDockUpdater != null) 181 ? AVAILABLE_UNSEARCHABLE 182 : UNSUPPORTED_ON_DEVICE; 183 } 184 185 @Override getPreferenceKey()186 public String getPreferenceKey() { 187 return KEY; 188 } 189 190 @Override onDeviceAdded(Preference preference)191 public void onDeviceAdded(Preference preference) { 192 if (mPreferenceGroup.getPreferenceCount() == 0) { 193 mPreferenceGroup.setVisible(true); 194 } 195 mPreferenceGroup.addPreference(preference); 196 } 197 198 @Override onDeviceRemoved(Preference preference)199 public void onDeviceRemoved(Preference preference) { 200 mPreferenceGroup.removePreference(preference); 201 if (mPreferenceGroup.getPreferenceCount() == 0) { 202 mPreferenceGroup.setVisible(false); 203 } 204 } 205 206 @VisibleForTesting init(@ullable ExternalDisplayUpdater externalDisplayUpdater, BluetoothDeviceUpdater bluetoothDeviceUpdater, ConnectedUsbDeviceUpdater connectedUsbDeviceUpdater, DockUpdater connectedDockUpdater, StylusDeviceUpdater connectedStylusDeviceUpdater)207 void init(@Nullable ExternalDisplayUpdater externalDisplayUpdater, 208 BluetoothDeviceUpdater bluetoothDeviceUpdater, 209 ConnectedUsbDeviceUpdater connectedUsbDeviceUpdater, 210 DockUpdater connectedDockUpdater, 211 StylusDeviceUpdater connectedStylusDeviceUpdater) { 212 213 mExternalDisplayUpdater = externalDisplayUpdater; 214 mBluetoothDeviceUpdater = bluetoothDeviceUpdater; 215 mConnectedUsbDeviceUpdater = connectedUsbDeviceUpdater; 216 mConnectedDockUpdater = connectedDockUpdater; 217 mStylusDeviceUpdater = connectedStylusDeviceUpdater; 218 } 219 init(DashboardFragment fragment)220 public void init(DashboardFragment fragment) { 221 final Context context = fragment.getContext(); 222 DockUpdaterFeatureProvider dockUpdaterFeatureProvider = 223 FeatureFactory.getFeatureFactory().getDockUpdaterFeatureProvider(); 224 final DockUpdater connectedDockUpdater = 225 dockUpdaterFeatureProvider.getConnectedDockUpdater(context, this); 226 init(hasExternalDisplayFeature() 227 ? new ExternalDisplayUpdater(this, fragment.getMetricsCategory()) 228 : null, 229 hasBluetoothFeature() 230 ? new ConnectedBluetoothDeviceUpdater(context, this, 231 fragment.getMetricsCategory()) 232 : null, 233 hasUsbFeature() 234 ? new ConnectedUsbDeviceUpdater(context, fragment, this) 235 : null, 236 connectedDockUpdater, 237 hasUsiStylusFeature() 238 ? new StylusDeviceUpdater(context, fragment, this) 239 : null); 240 } 241 242 /** 243 * @return trunk stable feature flags. 244 */ 245 @VisibleForTesting 246 @NonNull getFeatureFlags()247 public FeatureFlags getFeatureFlags() { 248 return mFeatureFlags; 249 } 250 hasExternalDisplayFeature()251 private boolean hasExternalDisplayFeature() { 252 return isExternalDisplaySettingsPageEnabled(getFeatureFlags()); 253 } 254 hasBluetoothFeature()255 private boolean hasBluetoothFeature() { 256 return mPackageManager.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH); 257 } 258 hasUsbFeature()259 private boolean hasUsbFeature() { 260 return mPackageManager.hasSystemFeature(PackageManager.FEATURE_USB_ACCESSORY) 261 || mPackageManager.hasSystemFeature(PackageManager.FEATURE_USB_HOST); 262 } 263 hasUsiStylusFeature()264 private boolean hasUsiStylusFeature() { 265 if (!FeatureFlagUtils.isEnabled(mContext, 266 FeatureFlagUtils.SETTINGS_SHOW_STYLUS_PREFERENCES)) { 267 return false; 268 } 269 270 for (int deviceId : mInputManager.getInputDeviceIds()) { 271 InputDevice device = mInputManager.getInputDevice(deviceId); 272 if (device != null 273 && device.supportsSource(InputDevice.SOURCE_STYLUS) 274 && !device.isExternal()) { 275 return true; 276 } 277 } 278 return false; 279 } 280 281 @Override updateDynamicRawDataToIndex(List<SearchIndexableRaw> rawData)282 public void updateDynamicRawDataToIndex(List<SearchIndexableRaw> rawData) { 283 if (mLocalBluetoothManager == null) { 284 Log.d(TAG, "Bluetooth is not supported"); 285 return; 286 } 287 for (CachedBluetoothDevice cachedDevice : 288 mLocalBluetoothManager.getCachedDeviceManager().getCachedDevicesCopy()) { 289 if (!BluetoothDeviceFilter.BONDED_DEVICE_FILTER.matches(cachedDevice.getDevice())) { 290 continue; 291 } 292 if (BluetoothUtils.isExclusivelyManagedBluetoothDevice(mContext, 293 cachedDevice.getDevice())) { 294 continue; 295 } 296 SearchIndexableRaw data = new SearchIndexableRaw(mContext); 297 // Include the identity address as well to ensure the key is unique. 298 data.key = cachedDevice.getName() + cachedDevice.getIdentityAddress(); 299 data.title = cachedDevice.getName(); 300 data.summaryOn = mContext.getString(R.string.connected_devices_dashboard_title); 301 rawData.add(data); 302 } 303 } 304 } 305