Merge "Disables VR components by default, but enables them if a VR app is installed." into nyc-dev (de5dbec3) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/vr/VrManagerService.java

+94 −0

Original line number	Diff line number	Diff line
		@@ -19,10 +19,15 @@ import android.Manifest;
		import android.app.AppOpsManager;
		import android.app.NotificationManager;
		import android.annotation.NonNull;
		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.FeatureInfo;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.os.Binder;
		@@ -44,6 +49,7 @@ import android.util.ArraySet;
		import android.util.Slog;

		import com.android.internal.R;
		import com.android.server.SystemConfig;
		import com.android.server.SystemService;
		import com.android.server.utils.ManagedApplicationService.PendingEvent;
		import com.android.server.vr.EnabledComponentsObserver.EnabledComponentChangeListener;
		@@ -56,6 +62,7 @@ import java.lang.StringBuilder;
		import java.lang.ref.WeakReference;
		import java.util.ArrayList;
		import java.util.Collection;
		import java.util.List;
		import java.util.Objects;
		import java.util.Set;

		@@ -289,6 +296,93 @@ public class VrManagerService extends SystemService implements EnabledComponentC

		publishLocalService(VrManagerInternal.class, new LocalService());
		publishBinderService(VR_MANAGER_BINDER_SERVICE, mVrManager.asBinder());

		// If there are no VR packages installed on the device, then disable VR
		// components, otherwise, enable them.
		setEnabledStatusOfVrComponents();
		}

		private void setEnabledStatusOfVrComponents() {
		ArraySet<ComponentName> vrComponents = SystemConfig.getInstance().getDefaultVrComponents();
		if (vrComponents == null) {
		return;
		}

		// We only want to enable VR components if there is a VR package installed on the device.
		// The VR components themselves do not quality as a VR package, so exclude them.
		ArraySet<String> vrComponentPackageNames = new ArraySet<>();
		for (ComponentName componentName : vrComponents) {
		vrComponentPackageNames.add(componentName.getPackageName());
		}

		// Check to see if there are any packages on the device, other than the VR component
		// packages.
		PackageManager pm = mContext.getPackageManager();
		List<PackageInfo> packageInfos = pm.getInstalledPackages(
		PackageManager.GET_CONFIGURATIONS);
		boolean vrModeIsUsed = false;
		for (PackageInfo packageInfo : packageInfos) {
		if (packageInfo != null && packageInfo.packageName != null &&
		pm.getApplicationEnabledSetting(packageInfo.packageName) ==
		PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) {
		vrModeIsUsed = enableVrComponentsIfVrModeUsed(pm, packageInfo,
		vrComponentPackageNames, vrComponents);
		if (vrModeIsUsed) {
		break;
		}
		}
		}

		if (!vrModeIsUsed) {
		Slog.i(TAG, "No VR packages found, disabling VR components");
		for (ComponentName componentName : vrComponents) {
		pm.setApplicationEnabledSetting(componentName.getPackageName(),
		PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0);
		}

		// Register to receive an intent when a new package is installed, in case that package
		// requires VR components.
		IntentFilter intentFilter = new IntentFilter();
		intentFilter.addAction(Intent.ACTION_PACKAGE_ADDED);
		intentFilter.addDataScheme("package");
		mContext.registerReceiver(new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		PackageManager pm = context.getPackageManager();
		final String packageName = intent.getData().getSchemeSpecificPart();
		if (packageName != null) {
		try {
		PackageInfo packageInfo = pm.getPackageInfo(packageName,
		PackageManager.GET_CONFIGURATIONS);
		enableVrComponentsIfVrModeUsed(pm, packageInfo,
		vrComponentPackageNames, vrComponents);
		} catch (NameNotFoundException e) {
		}
		}
		};
		}, intentFilter);
		}
		}

		private boolean enableVrComponentsIfVrModeUsed(PackageManager pm, PackageInfo packageInfo,
		ArraySet<String> vrComponentPackageNames, ArraySet<ComponentName> vrComponents) {
		boolean isVrComponent = vrComponents != null &&
		vrComponentPackageNames.contains(packageInfo.packageName);
		if (packageInfo != null && packageInfo.reqFeatures != null && !isVrComponent) {
		for (FeatureInfo featureInfo : packageInfo.reqFeatures) {
		if (featureInfo.name != null &&
		(featureInfo.name.equals(PackageManager.FEATURE_VR_MODE) \|\|
		featureInfo.name.equals(PackageManager.FEATURE_VR_MODE_HIGH_PERFORMANCE))) {
		Slog.i(TAG, "VR package found, enabling VR components");
		for (ComponentName componentName : vrComponents) {
		pm.setApplicationEnabledSetting(componentName.getPackageName(),
		PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
		}
		return true;
		}
		}
		}
		return false;
		}

		@Override