Merge "AudioService: evaluate permissions for min stream index" into rvc-dev... (d256ce85) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/audio/AudioService.java

+22 −2

Original line number	Diff line number	Diff line
		@@ -109,6 +109,7 @@ import android.os.IBinder;
		import android.os.Looper;
		import android.os.Message;
		import android.os.PowerManager;
		import android.os.Process;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.SystemClock;
		@@ -3186,10 +3187,17 @@ public class AudioService extends IAudioService.Stub
		return (mStreamStates[streamType].getMaxIndex() + 5) / 10;
		}

		/** @see AudioManager#getStreamMinVolumeInt(int) */
		/** @see AudioManager#getStreamMinVolumeInt(int)
		* Part of service interface, check permissions here */
		public int getStreamMinVolume(int streamType) {
		ensureValidStreamType(streamType);
		return (mStreamStates[streamType].getMinIndex() + 5) / 10;
		final boolean isPrivileged =
		Binder.getCallingUid() == Process.SYSTEM_UID
		\|\| (mContext.checkCallingPermission(Manifest.permission.MODIFY_AUDIO_SETTINGS)
		== PackageManager.PERMISSION_GRANTED)
		\|\| (mContext.checkCallingPermission(Manifest.permission.MODIFY_AUDIO_ROUTING)
		== PackageManager.PERMISSION_GRANTED);
		return (mStreamStates[streamType].getMinIndex(isPrivileged) + 5) / 10;
		}

		/** Get last audible volume before stream was muted. */
		@@ -5796,10 +5804,22 @@ public class AudioService extends IAudioService.Stub
		return mIndexMax;
		}

		/**
		* @return the lowest index regardless of permissions
		*/
		public int getMinIndex() {
		return mIndexMin;
		}

		/**
		* @param isPrivileged true if the caller is privileged and not subject to minimum
		* volume index thresholds
		* @return the lowest index that this caller can set or adjust to
		*/
		public int getMinIndex(boolean isPrivileged) {
		return isPrivileged ? mIndexMin : mIndexMinNoPerm;
		}

		/**
		* Copies all device/index pairs from the given VolumeStreamState after initializing
		* them with the volume for DEVICE_OUT_DEFAULT. No-op if the source VolumeStreamState