diff options
| -rw-r--r-- | media/java/android/media/MtpDatabase.java | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/media/java/android/media/MtpDatabase.java b/media/java/android/media/MtpDatabase.java index 630d7112e8c1..fa015cc67b2d 100644 --- a/media/java/android/media/MtpDatabase.java +++ b/media/java/android/media/MtpDatabase.java @@ -42,6 +42,7 @@ public class MtpDatabase { private final IContentProvider mMediaProvider; private final String mVolumeName; private final Uri mObjectsUri; + private final String mMediaStoragePath; // true if the database has been modified in the current MTP session private boolean mDatabaseModified; @@ -84,12 +85,13 @@ public class MtpDatabase { System.loadLibrary("media_jni"); } - public MtpDatabase(Context context, String volumeName) { + public MtpDatabase(Context context, String volumeName, String storagePath) { native_setup(); mContext = context; mMediaProvider = context.getContentResolver().acquireProvider("media"); mVolumeName = volumeName; + mMediaStoragePath = storagePath; mObjectsUri = Files.getMtpObjectsUri(volumeName); mMediaScanner = new MediaScanner(context); openDevicePropertiesDatabase(context); @@ -701,6 +703,13 @@ public class MtpDatabase { private int getObjectFilePath(int handle, char[] outFilePath, long[] outFileLength) { Log.d(TAG, "getObjectFilePath: " + handle); + if (handle == 0) { + // special case root directory + mMediaStoragePath.getChars(0, mMediaStoragePath.length(), outFilePath, 0); + outFilePath[mMediaStoragePath.length()] = 0; + outFileLength[0] = 0; + return MtpConstants.RESPONSE_OK; + } Cursor c = null; try { c = mMediaProvider.query(mObjectsUri, PATH_SIZE_PROJECTION, |