Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 1 | /** |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 2 | * Copyright (C) 2015 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.server.vr; |
| 17 | |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 18 | import android.app.AppOpsManager; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 19 | import android.annotation.NonNull; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 20 | import android.content.Context; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 21 | import android.content.ComponentName; |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 22 | import android.os.Binder; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 23 | import android.os.Handler; |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 24 | import android.os.IBinder; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 25 | import android.os.IInterface; |
| 26 | import android.os.Looper; |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 27 | import android.os.RemoteException; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 28 | import android.provider.Settings; |
| 29 | import android.service.vr.IVrListener; |
| 30 | import android.service.vr.VrListenerService; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 31 | import android.util.ArraySet; |
| 32 | import android.util.Slog; |
| 33 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 34 | import com.android.internal.R; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 35 | import com.android.server.SystemService; |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 36 | import com.android.server.utils.ManagedApplicationService.PendingEvent; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 37 | import com.android.server.vr.EnabledComponentsObserver.EnabledComponentChangeListener; |
| 38 | import com.android.server.utils.ManagedApplicationService; |
| 39 | import com.android.server.utils.ManagedApplicationService.BinderChecker; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 40 | |
| 41 | import java.util.ArrayList; |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 42 | import java.util.Objects; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 43 | import java.util.Set; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 44 | |
| 45 | /** |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 46 | * Service tracking whether VR mode is active, and notifying listening services of state changes. |
| 47 | * <p/> |
| 48 | * Services running in system server may modify the state of VrManagerService via the interface in |
| 49 | * VrManagerInternal, and may register to receive callbacks when the system VR mode changes via the |
| 50 | * interface given in VrStateListener. |
| 51 | * <p/> |
| 52 | * Device vendors may choose to receive VR state changes by implementing the VR mode HAL, e.g.: |
| 53 | * hardware/libhardware/modules/vr |
| 54 | * <p/> |
| 55 | * In general applications may enable or disable VR mode by calling |
| 56 | * {@link android.app.Activity#setVrMode)}. An application may also implement a service to be run |
| 57 | * while in VR mode by implementing {@link android.service.vr.VrListenerService}. |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 58 | * |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 59 | * @see {@link android.service.vr.VrListenerService} |
| 60 | * @see {@link com.android.server.vr.VrManagerInternal} |
| 61 | * @see {@link com.android.server.vr.VrStateListener} |
| 62 | * |
| 63 | * @hide |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 64 | */ |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 65 | public class VrManagerService extends SystemService implements EnabledComponentChangeListener{ |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 66 | |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 67 | public static final String TAG = "VrManagerService"; |
| 68 | |
Ruben Brunk | baa4b55 | 2016-02-02 16:27:37 -0800 | [diff] [blame] | 69 | private static native void initializeNative(); |
| 70 | private static native void setVrModeNative(boolean enabled); |
| 71 | |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 72 | private final Object mLock = new Object(); |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 73 | |
| 74 | private final IBinder mOverlayToken = new Binder(); |
| 75 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 76 | // State protected by mLock |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 77 | private boolean mVrModeEnabled = false; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 78 | private final Set<VrStateListener> mListeners = new ArraySet<>(); |
| 79 | private EnabledComponentsObserver mComponentObserver; |
| 80 | private ManagedApplicationService mCurrentVrService; |
| 81 | private Context mContext; |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 82 | private ComponentName mCurrentVrModeComponent; |
| 83 | private int mCurrentVrModeUser; |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 84 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 85 | private static final BinderChecker sBinderChecker = new BinderChecker() { |
| 86 | @Override |
| 87 | public IInterface asInterface(IBinder binder) { |
| 88 | return IVrListener.Stub.asInterface(binder); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public boolean checkType(IInterface service) { |
| 93 | return service instanceof IVrListener; |
| 94 | } |
| 95 | }; |
| 96 | |
| 97 | /** |
| 98 | * Called when a user, package, or setting changes that could affect whether or not the |
| 99 | * currently bound VrListenerService is changed. |
| 100 | */ |
| 101 | @Override |
| 102 | public void onEnabledComponentChanged() { |
| 103 | synchronized (mLock) { |
| 104 | if (mCurrentVrService == null) { |
| 105 | return; // No active services |
| 106 | } |
| 107 | |
| 108 | // There is an active service, update it if needed |
| 109 | updateCurrentVrServiceLocked(mVrModeEnabled, mCurrentVrService.getComponent(), |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 110 | mCurrentVrService.getUserId(), null); |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 111 | } |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Implementation of VrManagerInternal. Callable only from system services. |
| 116 | */ |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 117 | private final class LocalService extends VrManagerInternal { |
| 118 | @Override |
| 119 | public boolean isInVrMode() { |
| 120 | return VrManagerService.this.getVrMode(); |
| 121 | } |
| 122 | |
| 123 | @Override |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 124 | public void setVrMode(boolean enabled, ComponentName packageName, int userId, |
| 125 | ComponentName callingPackage) { |
| 126 | VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage); |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | @Override |
Ruben Brunk | 8f1d5cb | 2016-03-22 18:08:41 -0700 | [diff] [blame] | 130 | public boolean isCurrentVrListener(String packageName, int userId) { |
| 131 | return VrManagerService.this.isCurrentVrListener(packageName, userId); |
| 132 | } |
| 133 | |
| 134 | @Override |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 135 | public void registerListener(VrStateListener listener) { |
| 136 | VrManagerService.this.addListener(listener); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void unregisterListener(VrStateListener listener) { |
| 141 | VrManagerService.this.removeListener(listener); |
| 142 | } |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 143 | |
| 144 | @Override |
| 145 | public int hasVrPackage(ComponentName packageName, int userId) { |
| 146 | return VrManagerService.this.hasVrPackage(packageName, userId); |
| 147 | } |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | public VrManagerService(Context context) { |
| 151 | super(context); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public void onStart() { |
Ruben Brunk | baa4b55 | 2016-02-02 16:27:37 -0800 | [diff] [blame] | 156 | synchronized(mLock) { |
| 157 | initializeNative(); |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 158 | mContext = getContext(); |
Ruben Brunk | baa4b55 | 2016-02-02 16:27:37 -0800 | [diff] [blame] | 159 | } |
| 160 | |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 161 | publishLocalService(VrManagerInternal.class, new LocalService()); |
| 162 | } |
| 163 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 164 | @Override |
| 165 | public void onBootPhase(int phase) { |
Ruben Brunk | 8507004 | 2016-03-21 12:10:38 -0700 | [diff] [blame] | 166 | if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 167 | synchronized (mLock) { |
| 168 | Looper looper = Looper.getMainLooper(); |
| 169 | Handler handler = new Handler(looper); |
| 170 | ArrayList<EnabledComponentChangeListener> listeners = new ArrayList<>(); |
| 171 | listeners.add(this); |
| 172 | mComponentObserver = EnabledComponentsObserver.build(mContext, handler, |
| 173 | Settings.Secure.ENABLED_VR_LISTENERS, looper, |
| 174 | android.Manifest.permission.BIND_VR_LISTENER_SERVICE, |
| 175 | VrListenerService.SERVICE_INTERFACE, mLock, listeners); |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 176 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 177 | mComponentObserver.rebuildAll(); |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 178 | } |
| 179 | } |
| 180 | } |
| 181 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 182 | @Override |
| 183 | public void onStartUser(int userHandle) { |
| 184 | synchronized (mLock) { |
| 185 | mComponentObserver.onUsersChanged(); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public void onSwitchUser(int userHandle) { |
| 191 | synchronized (mLock) { |
| 192 | mComponentObserver.onUsersChanged(); |
| 193 | } |
| 194 | |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public void onStopUser(int userHandle) { |
| 199 | synchronized (mLock) { |
| 200 | mComponentObserver.onUsersChanged(); |
| 201 | } |
| 202 | |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public void onCleanupUser(int userHandle) { |
| 207 | synchronized (mLock) { |
| 208 | mComponentObserver.onUsersChanged(); |
| 209 | } |
| 210 | } |
| 211 | |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 212 | private void updateOverlayStateLocked(ComponentName exemptedComponent) { |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 213 | final long identity = Binder.clearCallingIdentity(); |
| 214 | try { |
| 215 | AppOpsManager appOpsManager = getContext().getSystemService(AppOpsManager.class); |
| 216 | if (appOpsManager != null) { |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 217 | String[] exemptions = (exemptedComponent == null) ? new String[0] : |
| 218 | new String[] { exemptedComponent.getPackageName() }; |
| 219 | |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 220 | appOpsManager.setUserRestriction(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 221 | mVrModeEnabled, mOverlayToken, exemptions); |
Svetoslav Ganov | 47d98de | 2016-03-01 15:01:14 -0800 | [diff] [blame] | 222 | } |
| 223 | } finally { |
| 224 | Binder.restoreCallingIdentity(identity); |
| 225 | } |
| 226 | } |
| 227 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 228 | /** |
| 229 | * Send VR mode changes (if the mode state has changed), and update the bound/unbound state of |
| 230 | * the currently selected VR listener service. If the component selected for the VR listener |
| 231 | * service has changed, unbind the previous listener and bind the new listener (if enabled). |
| 232 | * <p/> |
| 233 | * Note: Must be called while holding {@code mLock}. |
| 234 | * |
| 235 | * @param enabled new state for VR mode. |
| 236 | * @param component new component to be bound as a VR listener. |
| 237 | * @param userId user owning the component to be bound. |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 238 | * @param calling the component currently using VR mode, or null to leave unchanged. |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 239 | * |
| 240 | * @return {@code true} if the component/user combination specified is valid. |
| 241 | */ |
| 242 | private boolean updateCurrentVrServiceLocked(boolean enabled, |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 243 | @NonNull ComponentName component, int userId, ComponentName calling) { |
| 244 | |
| 245 | boolean sendUpdatedCaller = false; |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 246 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 247 | boolean validUserComponent = (mComponentObserver.isValid(component, userId) == |
| 248 | EnabledComponentsObserver.NO_ERROR); |
| 249 | |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 250 | // Always send mode change events. |
| 251 | changeVrModeLocked(enabled, (enabled && validUserComponent) ? component : null); |
| 252 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 253 | if (!enabled || !validUserComponent) { |
| 254 | // Unbind whatever is running |
| 255 | if (mCurrentVrService != null) { |
| 256 | Slog.i(TAG, "Disconnecting " + mCurrentVrService.getComponent() + " for user " + |
| 257 | mCurrentVrService.getUserId()); |
| 258 | mCurrentVrService.disconnect(); |
| 259 | mCurrentVrService = null; |
| 260 | } |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 261 | } else { |
| 262 | if (mCurrentVrService != null) { |
| 263 | // Unbind any running service that doesn't match the component/user selection |
| 264 | if (mCurrentVrService.disconnectIfNotMatching(component, userId)) { |
| 265 | Slog.i(TAG, "Disconnecting " + mCurrentVrService.getComponent() + " for user " + |
| 266 | mCurrentVrService.getUserId()); |
| 267 | createAndConnectService(component, userId); |
| 268 | sendUpdatedCaller = true; |
| 269 | } |
| 270 | // The service with the correct component/user is bound |
| 271 | } else { |
| 272 | // Nothing was previously running, bind a new service |
| 273 | createAndConnectService(component, userId); |
| 274 | sendUpdatedCaller = true; |
| 275 | } |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 276 | } |
| 277 | |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 278 | if (calling != null && !Objects.equals(calling, mCurrentVrModeComponent)) { |
| 279 | mCurrentVrModeComponent = calling; |
| 280 | mCurrentVrModeUser = userId; |
| 281 | sendUpdatedCaller = true; |
| 282 | } |
| 283 | |
| 284 | if (mCurrentVrService != null && sendUpdatedCaller) { |
| 285 | final ComponentName c = mCurrentVrModeComponent; |
| 286 | mCurrentVrService.sendEvent(new PendingEvent() { |
| 287 | @Override |
| 288 | public void runEvent(IInterface service) throws RemoteException { |
| 289 | IVrListener l = (IVrListener) service; |
| 290 | l.focusedActivityChanged(c); |
| 291 | } |
| 292 | }); |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | return validUserComponent; |
| 296 | } |
| 297 | |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 298 | private void createAndConnectService(@NonNull ComponentName component, int userId) { |
| 299 | mCurrentVrService = VrManagerService.create(mContext, component, userId); |
| 300 | mCurrentVrService.connect(); |
| 301 | Slog.i(TAG, "Connecting " + component + " for user " + userId); |
| 302 | } |
| 303 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 304 | /** |
| 305 | * Send VR mode change callbacks to HAL and system services if mode has actually changed. |
| 306 | * <p/> |
| 307 | * Note: Must be called while holding {@code mLock}. |
| 308 | * |
| 309 | * @param enabled new state of the VR mode. |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 310 | * @param exemptedComponent a component to exempt from AppOps restrictions for overlays. |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 311 | */ |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 312 | private void changeVrModeLocked(boolean enabled, ComponentName exemptedComponent) { |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 313 | if (mVrModeEnabled != enabled) { |
| 314 | mVrModeEnabled = enabled; |
| 315 | |
| 316 | // Log mode change event. |
| 317 | Slog.i(TAG, "VR mode " + ((mVrModeEnabled) ? "enabled" : "disabled")); |
| 318 | setVrModeNative(mVrModeEnabled); |
| 319 | |
Ruben Brunk | 29931bc | 2016-03-11 00:24:26 -0800 | [diff] [blame] | 320 | updateOverlayStateLocked(exemptedComponent); |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 321 | onVrModeChangedLocked(); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Notify system services of VR mode change. |
| 327 | * <p/> |
| 328 | * Note: Must be called while holding {@code mLock}. |
| 329 | */ |
| 330 | private void onVrModeChangedLocked() { |
| 331 | for (VrStateListener l : mListeners) { |
| 332 | l.onVrStateChanged(mVrModeEnabled); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * Helper function for making ManagedApplicationService instances. |
| 338 | */ |
| 339 | private static ManagedApplicationService create(@NonNull Context context, |
| 340 | @NonNull ComponentName component, int userId) { |
| 341 | return ManagedApplicationService.build(context, component, userId, |
| 342 | R.string.vr_listener_binding_label, Settings.ACTION_VR_LISTENER_SETTINGS, |
| 343 | sBinderChecker); |
| 344 | } |
| 345 | |
| 346 | /* |
| 347 | * Implementation of VrManagerInternal calls. These are callable from system services. |
| 348 | */ |
| 349 | |
| 350 | private boolean setVrMode(boolean enabled, @NonNull ComponentName targetPackageName, |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 351 | int userId, @NonNull ComponentName callingPackage) { |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 352 | synchronized (mLock) { |
Ruben Brunk | c7354fe | 2016-03-07 23:37:12 -0800 | [diff] [blame] | 353 | return updateCurrentVrServiceLocked(enabled, targetPackageName, userId, callingPackage); |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 354 | } |
| 355 | } |
| 356 | |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 357 | private boolean getVrMode() { |
| 358 | synchronized (mLock) { |
| 359 | return mVrModeEnabled; |
| 360 | } |
| 361 | } |
| 362 | |
Ruben Brunk | 8f1d5cb | 2016-03-22 18:08:41 -0700 | [diff] [blame] | 363 | private boolean isCurrentVrListener(String packageName, int userId) { |
| 364 | synchronized (mLock) { |
| 365 | if (mCurrentVrService == null) { |
| 366 | return false; |
| 367 | } |
| 368 | return mCurrentVrService.getComponent().getPackageName().equals(packageName) && |
| 369 | userId == mCurrentVrService.getUserId(); |
| 370 | } |
| 371 | } |
| 372 | |
Ruben Brunk | e24b9a6 | 2016-02-16 21:38:24 -0800 | [diff] [blame] | 373 | private void addListener(VrStateListener listener) { |
| 374 | synchronized (mLock) { |
| 375 | mListeners.add(listener); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | private void removeListener(VrStateListener listener) { |
| 380 | synchronized (mLock) { |
| 381 | mListeners.remove(listener); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | private int hasVrPackage(@NonNull ComponentName targetPackageName, int userId) { |
| 386 | synchronized (mLock) { |
| 387 | return mComponentObserver.isValid(targetPackageName, userId); |
Ruben Brunk | dd18a0b | 2015-12-04 16:16:31 -0800 | [diff] [blame] | 388 | } |
| 389 | } |
| 390 | } |