Handle adding/removing/renaming nomedia paths (ca78f3d9) · Commits · e / os / android_frameworks_base

core/java/android/provider/MediaStore.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,14 @@ public final class MediaStore {
		*/
		public static final String ACTION_MTP_SESSION_END = "android.provider.action.MTP_SESSION_END";

		/**
		* The method name used by the media scanner and mtp to tell the media provider to
		* rescan and reclassify that have become unhidden because of renaming folders or
		* removing nomedia files
		* @hide
		*/
		public static final String UNHIDE_CALL = "unhide";

		/**
		* Activity Action: Launch a music player.
		* The activity should be able to play, browse, or manipulate music files stored on the device.

media/java/android/media/MediaScanner.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import android.os.Process;
		import android.os.RemoteException;
		import android.os.SystemProperties;
		import android.provider.MediaStore;
		import android.provider.MediaStore.Files.FileColumns;
		import android.provider.Settings;
		import android.provider.MediaStore.Audio;
		import android.provider.MediaStore.Files;
		@@ -58,6 +59,7 @@ import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.Iterator;
		import java.util.Locale;

		/**
		* Internal service helper that no-one should use directly.
		@@ -946,6 +948,22 @@ public class MediaScanner
		// path should never change, and we want to avoid replacing mixed cased paths
		// with squashed lower case paths
		values.remove(MediaStore.MediaColumns.DATA);

		int mediaType = 0;
		if (!MediaScanner.isNoMediaPath(entry.mPath)) {
		int fileType = MediaFile.getFileTypeForMimeType(mMimeType);
		if (MediaFile.isAudioFileType(fileType)) {
		mediaType = FileColumns.MEDIA_TYPE_AUDIO;
		} else if (MediaFile.isVideoFileType(fileType)) {
		mediaType = FileColumns.MEDIA_TYPE_VIDEO;
		} else if (MediaFile.isImageFileType(fileType)) {
		mediaType = FileColumns.MEDIA_TYPE_IMAGE;
		} else if (MediaFile.isPlayListFileType(fileType)) {
		mediaType = FileColumns.MEDIA_TYPE_PLAYLIST;
		}
		values.put(FileColumns.MEDIA_TYPE, mediaType);
		}

		mMediaProvider.update(result, values, null, null);
		}

		@@ -1180,6 +1198,10 @@ public class MediaScanner
		mMediaProvider.delete(ContentUris.withAppendedId(mFilesUri, entry.mRowId),
		null, null);
		iterator.remove();
		if (entry.mPath.toLowerCase(Locale.US).endsWith("/.nomedia")) {
		File f = new File(path);
		mMediaProvider.call(MediaStore.UNHIDE_CALL, f.getParent(), null);
		}
		}
		}
		}

media/java/android/mtp/MtpDatabase.java

+32 −0

Original line number	Diff line number	Diff line
		@@ -752,6 +752,29 @@ public class MtpDatabase {
		return MtpConstants.RESPONSE_GENERAL_ERROR;
		}

		// check if nomedia status changed
		if (newFile.isDirectory()) {
		// for directories, check if renamed from something hidden to something non-hidden
		if (oldFile.getName().startsWith(".") && !newPath.startsWith(".")) {
		// directory was unhidden
		try {
		mMediaProvider.call(MediaStore.UNHIDE_CALL, newPath, null);
		} catch (RemoteException e) {
		Log.e(TAG, "failed to unhide/rescan for " + newPath);
		}
		}
		} else {
		// for files, check if renamed from .nomedia to something else
		if (oldFile.getName().toLowerCase(Locale.US).equals(".nomedia")
		&& !newPath.toLowerCase(Locale.US).equals(".nomedia")) {
		try {
		mMediaProvider.call(MediaStore.UNHIDE_CALL, oldFile.getParent(), null);
		} catch (RemoteException e) {
		Log.e(TAG, "failed to unhide/rescan for " + newPath);
		}
		}
		}

		return MtpConstants.RESPONSE_OK;
		}

		@@ -915,6 +938,15 @@ public class MtpDatabase {

		Uri uri = Files.getMtpObjectsUri(mVolumeName, handle);
		if (mMediaProvider.delete(uri, null, null) > 0) {
		if (format != MtpConstants.FORMAT_ASSOCIATION
		&& path.toLowerCase(Locale.US).endsWith("/.nomedia")) {
		try {
		String parentPath = path.substring(0, path.lastIndexOf("/"));
		mMediaProvider.call(MediaStore.UNHIDE_CALL, parentPath, null);
		} catch (RemoteException e) {
		Log.e(TAG, "failed to unhide/rescan for " + path);
		}
		}
		return MtpConstants.RESPONSE_OK;
		} else {
		return MtpConstants.RESPONSE_INVALID_OBJECT_HANDLE;