When encountering a .nomedia file, notify the MediaScannerClient,

so that it can erase the data column for entries that are in the
folder containing the .nomedia file. This prevents us from
deleting (via a delete trigger) files when somebody adds a
.nomedia file after the fact.

2 files changed, 19 insertions, 1 deletions

diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index 3d5aae3..fcc76ca5 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -825,6 +825,22 @@ public class MediaScanner
             }
         }
 
+        public void addNoMediaFolder(String path) {
+            ContentValues values = new ContentValues();
+            values.put(MediaStore.Images.ImageColumns.DATA, "");
+            String [] pathSpec = new String[] {path + '%'};
+            try {
+                mMediaProvider.update(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values,
+                        MediaStore.Images.ImageColumns.DATA + " LIKE ?", pathSpec);
+                mMediaProvider.update(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, values,
+                        MediaStore.Images.ImageColumns.DATA + " LIKE ?", pathSpec);
+                mMediaProvider.update(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, values,
+                        MediaStore.Images.ImageColumns.DATA + " LIKE ?", pathSpec);
+            } catch (RemoteException e) {
+                throw new RuntimeException();
+            }
+        }
+
     }; // end of anonymous MediaScannerClient instance
 
     private void prescan(String filePath) throws RemoteException {
diff --git a/media/java/android/media/MediaScannerClient.java b/media/java/android/media/MediaScannerClient.java
index cf1a8da..258c3b4 100644
--- a/media/java/android/media/MediaScannerClient.java
+++ b/media/java/android/media/MediaScannerClient.java
@@ -25,11 +25,13 @@ public interface MediaScannerClient
     
     public void scanFile(String path, String mimeType, long lastModified, long fileSize);
 
+    public void addNoMediaFolder(String path);
+
     /**
      * Called by native code to return metadata extracted from media files.
      */
     public void handleStringTag(String name, String value);
-    
+
     /**
      * Called by native code to return mime type extracted from DRM content.
      */