Allow current VrListenerService to read thermal info. (8f1d5cba) · Commits · e / os / android_frameworks_base

core/java/android/os/HardwarePropertiesManager.java

+6 −3

Original line number	Diff line number	Diff line
		@@ -101,7 +101,8 @@ public class HardwarePropertiesManager {
		* {@link #UNDEFINED_TEMPERATURE} if undefined.
		* Empty if platform doesn't provide the queried temperature.
		*
		* @throws SecurityException if a non profile or device owner tries to call this method.
		* @throws SecurityException if something other than the profile or device owner, or the
		* current VR service tries to retrieve information provided by this service.
		*/
		public @NonNull float[] getDeviceTemperatures(@DeviceTemperatureType int type,
		@TemperatureSource int source) {
		@@ -137,7 +138,8 @@ public class HardwarePropertiesManager {
		* each unplugged core.
		* Empty if CPU usage is not supported on this system.
		*
		* @throws SecurityException if a non profile or device owner tries to call this method.
		* @throws SecurityException if something other than the profile or device owner, or the
		* current VR service tries to retrieve information provided by this service.
		*/
		public @NonNull CpuUsageInfo[] getCpuUsages() {
		try {
		@@ -153,7 +155,8 @@ public class HardwarePropertiesManager {
		* @return an array of float fan speeds in RPM. Empty if there are no fans or fan speed is not
		* supported on this system.
		*
		* @throws SecurityException if a non profile or device owner tries to call this method.
		* @throws SecurityException if something other than the profile or device owner, or the
		* current VR service tries to retrieve information provided by this service.
		*/
		public @NonNull float[] getFanSpeeds() {
		try {

services/core/java/com/android/server/HardwarePropertiesManagerService.java

+11 −5

Original line number	Diff line number	Diff line
		@@ -23,6 +23,8 @@ import android.os.Binder;
		import android.os.CpuUsageInfo;
		import android.os.IHardwarePropertiesManager;
		import android.os.Process;
		import android.os.UserHandle;
		import com.android.server.vr.VrManagerInternal;

		import java.util.Arrays;

		@@ -78,14 +80,15 @@ public class HardwarePropertiesManagerService extends IHardwarePropertiesManager
		*
		* @param callingPackage The calling package name.
		*
		* @throws SecurityException if a non profile or device owner or system tries to retrieve
		* information provided by the service.
		* @throws SecurityException if something other than the profile or device owner, or the
		* current VR service tries to retrieve information provided by this service.
		*/
		private void enforceHardwarePropertiesRetrievalAllowed(String callingPackage)
		throws SecurityException {
		final PackageManager pm = mContext.getPackageManager();
		int uid = 0;
		try {
		final int uid = pm.getPackageUid(callingPackage, 0);
		uid = pm.getPackageUid(callingPackage, 0);
		if (Binder.getCallingUid() != uid) {
		throw new SecurityException("The caller has faked the package name.");
		}
		@@ -93,10 +96,13 @@ public class HardwarePropertiesManagerService extends IHardwarePropertiesManager
		throw new SecurityException("The caller has faked the package name.");
		}

		final int userId = UserHandle.getUserId(uid);
		final VrManagerInternal vrService = LocalServices.getService(VrManagerInternal.class);
		final DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
		if (!dpm.isDeviceOwnerApp(callingPackage) && !dpm.isProfileOwnerApp(callingPackage)
		&& Binder.getCallingUid() != Process.SYSTEM_UID) {
		throw new SecurityException("The caller is not a device or profile owner or system.");
		&& !vrService.isCurrentVrListener(callingPackage, userId)) {
		throw new SecurityException("The caller is not a device or profile owner or bound "
		+ "VrListenerService.");
		}
		}
		}

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

+11 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,17 @@ public abstract class VrManagerInternal {
		*/
		public abstract boolean isInVrMode();

		/**
		* Return {@code true} if the given package is the currently bound VrListenerService for the
		* given user.
		*
		* @param packageName The package name to check.
		* @param userId the user ID to check the package name for.
		*
		* @return {@code true} if the given package is the currently bound VrListenerService.
		*/
		public abstract boolean isCurrentVrListener(String packageName, int userId);

		/**
		* Set the current VR mode state.
		*

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

+15 −0

Original line number	Diff line number	Diff line
		@@ -126,6 +126,11 @@ public class VrManagerService extends SystemService implements EnabledComponentC
		VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage);
		}

		@Override
		public boolean isCurrentVrListener(String packageName, int userId) {
		return VrManagerService.this.isCurrentVrListener(packageName, userId);
		}

		@Override
		public void registerListener(VrStateListener listener) {
		VrManagerService.this.addListener(listener);
		@@ -355,6 +360,16 @@ public class VrManagerService extends SystemService implements EnabledComponentC
		}
		}

		private boolean isCurrentVrListener(String packageName, int userId) {
		synchronized (mLock) {
		if (mCurrentVrService == null) {
		return false;
		}
		return mCurrentVrService.getComponent().getPackageName().equals(packageName) &&
		userId == mCurrentVrService.getUserId();
		}
		}

		private void addListener(VrStateListener listener) {
		synchronized (mLock) {
		mListeners.add(listener);