* {@link android.app.Activity#setVrModeEnabled)}. An application may also implement a service to
* be run while in VR mode by implementing {@link android.service.vr.VrListenerService}.
*
- * @see {@link android.service.vr.VrListenerService}
- * @see {@link com.android.server.vr.VrManagerInternal}
- * @see {@link com.android.server.vr.VrStateListener}
+ * @see android.service.vr.VrListenerService
+ * @see com.android.server.vr.VrManagerInternal
+ * @see com.android.server.vr.VrStateListener
*
* @hide
*/
private static final int PENDING_STATE_DELAY_MS = 300;
private static final int EVENT_LOG_SIZE = 32;
private static final int INVALID_APPOPS_MODE = -1;
+ /** Null set of sleep sleep flags. */
+ private static final int FLAG_NONE = 0;
+ /** Flag set when the device is not sleeping. */
+ private static final int FLAG_AWAKE = 1;
+ /** Flag set when the screen has been turned on. */
+ private static final int FLAG_SCREEN_ON = 2;
+ /** Flag indicating that all system sleep flags have been set.*/
+ private static final int FLAG_ALL = FLAG_AWAKE | FLAG_SCREEN_ON;
private static native void initializeNative();
private static native void setVrModeNative(boolean enabled);
private final IBinder mOverlayToken = new Binder();
// State protected by mLock
+ private boolean mVrModeAllowed;
private boolean mVrModeEnabled;
private EnabledComponentsObserver mComponentObserver;
private ManagedApplicationService mCurrentVrService;
private VrState mPendingState;
private final ArrayDeque<VrState> mLoggingDeque = new ArrayDeque<>(EVENT_LOG_SIZE);
private final NotificationAccessManager mNotifAccessManager = new NotificationAccessManager();
+ /** Tracks the state of the screen and keyguard UI.*/
+ private int mSystemSleepFlags = FLAG_NONE;
private static final int MSG_VR_STATE_CHANGE = 0;
private static final int MSG_PENDING_VR_STATE_CHANGE = 1;
+ /**
+ * Set whether VR mode may be enabled.
+ * <p/>
+ * If VR mode is not allowed to be enabled, calls to set VR mode will be cached. When VR mode
+ * is again allowed to be enabled, the most recent cached state will be applied.
+ *
+ * @param allowed {@code true} if calling any of the setVrMode methods may cause the device to
+ * enter VR mode.
+ */
+ private void setVrModeAllowedLocked(boolean allowed) {
+ if (mVrModeAllowed != allowed) {
+ mVrModeAllowed = allowed;
+ Slog.i(TAG, "VR mode is " + ((allowed) ? "allowed" : "disallowed"));
+ if (mVrModeAllowed) {
+ consumeAndApplyPendingStateLocked();
+ } else {
+ // Set pending state to current state.
+ mPendingState = (mVrModeEnabled && mCurrentVrService != null)
+ ? new VrState(mVrModeEnabled, mCurrentVrService.getComponent(),
+ mCurrentVrService.getUserId(), mCurrentVrModeComponent)
+ : null;
+
+ // Unbind current VR service and do necessary callbacks.
+ updateCurrentVrServiceLocked(false, null, 0, null);
+ }
+ }
+ }
+
+ private void setSleepState(boolean isAsleep) {
+ synchronized(mLock) {
+
+ if (!isAsleep) {
+ mSystemSleepFlags |= FLAG_AWAKE;
+ } else {
+ mSystemSleepFlags &= ~FLAG_AWAKE;
+ }
+
+ setVrModeAllowedLocked(mSystemSleepFlags == FLAG_ALL);
+ }
+ }
+
+ private void setScreenOn(boolean isScreenOn) {
+ synchronized(mLock) {
+ if (isScreenOn) {
+ mSystemSleepFlags |= FLAG_SCREEN_ON;
+ } else {
+ mSystemSleepFlags &= ~FLAG_SCREEN_ON;
+ }
+ setVrModeAllowedLocked(mSystemSleepFlags == FLAG_ALL);
+ }
+ }
+
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
} break;
case MSG_PENDING_VR_STATE_CHANGE : {
synchronized(mLock) {
- VrManagerService.this.consumeAndApplyPendingStateLocked();
+ if (mVrModeAllowed) {
+ VrManagerService.this.consumeAndApplyPendingStateLocked();
+ }
}
} break;
default :
public void onEnabledComponentChanged() {
synchronized (mLock) {
int currentUser = ActivityManager.getCurrentUser();
-
// Update listeners
ArraySet<ComponentName> enabledListeners = mComponentObserver.getEnabled(currentUser);
}
mNotifAccessManager.update(enabledPackages);
- if (mCurrentVrService == null) {
- return; // No active services
+ if (!mVrModeAllowed) {
+ return; // Don't do anything, we shouldn't be in VR mode.
}
// If there is a pending state change, we'd better deal with that first
- consumeAndApplyPendingStateLocked();
+ consumeAndApplyPendingStateLocked(false);
if (mCurrentVrService == null) {
return; // No active services
return;
}
pw.println("********* Dump of VrManagerService *********");
+ pw.println("VR mode is currently: " + ((mVrModeAllowed) ? "allowed" : "disallowed"));
pw.println("Previous state transitions:\n");
String tab = " ";
dumpStateTransitions(pw);
@Override
public void setVrMode(boolean enabled, ComponentName packageName, int userId,
ComponentName callingPackage) {
- VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage, false);
+ VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage);
}
@Override
- public void setVrModeImmediate(boolean enabled, ComponentName packageName, int userId,
- ComponentName callingPackage) {
- VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage, true);
+ public void onSleepStateChanged(boolean isAsleep) {
+ VrManagerService.this.setSleepState(isAsleep);
+ }
+
+ @Override
+ public void onScreenStateChanged(boolean isScreenOn) {
+ VrManagerService.this.setScreenOn(isScreenOn);
}
@Override
mComponentObserver.rebuildAll();
}
+ } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) {
+ synchronized (mLock) {
+ mVrModeAllowed = true;
+ }
}
}
boolean validUserComponent = (mComponentObserver.isValid(component, userId) ==
EnabledComponentsObserver.NO_ERROR);
- if (!mVrModeEnabled && !enabled) {
+ boolean goingIntoVrMode = validUserComponent && enabled;
+ if (!mVrModeEnabled && !goingIntoVrMode) {
return validUserComponent; // Disabled -> Disabled transition does nothing.
}
? mCurrentVrService.getComponent().getPackageName() : null;
final int oldUserId = mCurrentVrModeUser;
- // Always send mode change events.
- changeVrModeLocked(enabled);
+ // Notify system services and VR HAL of mode change.
+ changeVrModeLocked(goingIntoVrMode);
- if (!enabled || !validUserComponent) {
- // Unbind whatever is running
+ boolean nothingChanged = false;
+ if (!goingIntoVrMode) {
+ // Not going into VR mode, unbind whatever is running
if (mCurrentVrService != null) {
- Slog.i(TAG, "Disconnecting " + mCurrentVrService.getComponent() + " for user " +
- mCurrentVrService.getUserId());
+ Slog.i(TAG, "Leaving VR mode, disconnecting "
+ + mCurrentVrService.getComponent() + " for user "
+ + mCurrentVrService.getUserId());
mCurrentVrService.disconnect();
mCurrentVrService = null;
+ } else {
+ nothingChanged = true;
}
} else {
+ // Going into VR mode
if (mCurrentVrService != null) {
- // Unbind any running service that doesn't match the component/user selection
+ // Unbind any running service that doesn't match the latest component/user
+ // selection.
if (mCurrentVrService.disconnectIfNotMatching(component, userId)) {
- Slog.i(TAG, "Disconnecting " + mCurrentVrService.getComponent() +
- " for user " + mCurrentVrService.getUserId());
+ Slog.i(TAG, "VR mode component changed to " + component
+ + ", disconnecting " + mCurrentVrService.getComponent()
+ + " for user " + mCurrentVrService.getUserId());
createAndConnectService(component, userId);
sendUpdatedCaller = true;
+ } else {
+ nothingChanged = true;
}
- // The service with the correct component/user is bound
+ // The service with the correct component/user is already bound, do nothing.
} else {
- // Nothing was previously running, bind a new service
+ // Nothing was previously running, bind a new service for the latest
+ // component/user selection.
createAndConnectService(component, userId);
sendUpdatedCaller = true;
}
}
});
}
- logStateLocked();
+
+ if (!nothingChanged) {
+ logStateLocked();
+ }
return validUserComponent;
} finally {
private void grantCoarseLocationPermissionIfNeeded(String pkg, int userId) {
// Don't clobber the user if permission set in current state explicitly
if (!isPermissionUserUpdated(Manifest.permission.ACCESS_COARSE_LOCATION, pkg, userId)) {
- mContext.getPackageManager().grantRuntimePermission(pkg,
- Manifest.permission.ACCESS_COARSE_LOCATION, new UserHandle(userId));
+ try {
+ mContext.getPackageManager().grantRuntimePermission(pkg,
+ Manifest.permission.ACCESS_COARSE_LOCATION, new UserHandle(userId));
+ } catch (IllegalArgumentException e) {
+ // Package was removed during update.
+ Slog.w(TAG, "Could not grant coarse location permission, package " + pkg
+ + " was removed.");
+ }
}
}
private void revokeCoarseLocationPermissionIfNeeded(String pkg, int userId) {
// Don't clobber the user if permission set in current state explicitly
if (!isPermissionUserUpdated(Manifest.permission.ACCESS_COARSE_LOCATION, pkg, userId)) {
- mContext.getPackageManager().revokeRuntimePermission(pkg,
- Manifest.permission.ACCESS_COARSE_LOCATION, new UserHandle(userId));
+ try {
+ mContext.getPackageManager().revokeRuntimePermission(pkg,
+ Manifest.permission.ACCESS_COARSE_LOCATION, new UserHandle(userId));
+ } catch (IllegalArgumentException e) {
+ // Package was removed during update.
+ Slog.w(TAG, "Could not revoke coarse location permission, package " + pkg
+ + " was removed.");
+ }
}
}
sBinderChecker);
}
+ /**
+ * Apply the pending VR state. If no state is pending, disconnect any currently bound
+ * VR listener service.
+ */
private void consumeAndApplyPendingStateLocked() {
+ consumeAndApplyPendingStateLocked(true);
+ }
+
+ /**
+ * Apply the pending VR state.
+ *
+ * @param disconnectIfNoPendingState if {@code true}, then any currently bound VR listener
+ * service will be disconnected if no state is pending. If this is {@code false} then the
+ * nothing will be changed when there is no pending state.
+ */
+ private void consumeAndApplyPendingStateLocked(boolean disconnectIfNoPendingState) {
if (mPendingState != null) {
updateCurrentVrServiceLocked(mPendingState.enabled,
mPendingState.targetPackageName, mPendingState.userId,
mPendingState.callingPackage);
mPendingState = null;
+ } else if (disconnectIfNoPendingState) {
+ updateCurrentVrServiceLocked(false, null, 0, null);
}
}
/*
* Implementation of VrManagerInternal calls. These are callable from system services.
*/
-
private void setVrMode(boolean enabled, @NonNull ComponentName targetPackageName,
- int userId, @NonNull ComponentName callingPackage, boolean immediate) {
+ int userId, @NonNull ComponentName callingPackage) {
synchronized (mLock) {
+ VrState pending = new VrState(enabled, targetPackageName, userId, callingPackage);
+ if (!mVrModeAllowed) {
+ // We're not allowed to be in VR mode. Make this state pending. This will be
+ // applied the next time we are allowed to enter VR mode unless it is superseded by
+ // another call.
+ mPendingState = pending;
+ return;
+ }
- if (!enabled && mCurrentVrService != null && !immediate) {
+ if (!enabled && mCurrentVrService != null) {
// If we're transitioning out of VR mode, delay briefly to avoid expensive HAL calls
// and service bind/unbind in case we are immediately switching to another VR app.
if (mPendingState == null) {
PENDING_STATE_DELAY_MS);
}
- mPendingState = new VrState(enabled, targetPackageName, userId, callingPackage);
+ mPendingState = pending;
return;
} else {
mHandler.removeMessages(MSG_PENDING_VR_STATE_CHANGE);
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