1 files changed, 31 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index 93b68809..6e766dd5 100644
--- a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
@@ -1,5 +1,6 @@
 package eu.siacs.conversations.persistance;
 
+import android.content.Intent;
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Environment;
@@ -25,10 +26,40 @@ import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
 import eu.siacs.conversations.entities.DownloadableFile;
 import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.XmppConnectionService;
 
 public class FileBackend {
 	private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
 
+	public static void createNoMedia() {
+		final File nomedia = new File(getConversationsFileDirectory()+".nomedia");
+		if (!nomedia.exists()) {
+			try {
+				nomedia.createNewFile();
+			} catch (Exception e) {
+				Log.d(Config.LOGTAG, "could not create nomedia file");
+			}
+		}
+	}
+
+	public static void updateMediaScanner(File file, XmppConnectionService xmppConnectionService) {
+		if (file.getAbsolutePath().startsWith(getConversationsImageDirectory())) {
+			Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+			intent.setData(Uri.fromFile(file));
+			xmppConnectionService.sendBroadcast(intent);
+		}
+	}
+
+	public static boolean deleteFile(Message message, XmppConnectionService xmppConnectionService) {
+		File file = getFile(message);
+		if (file.delete()) {
+			updateMediaScanner(file, xmppConnectionService);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
 	public static DownloadableFile getFile(Message message) {
 		return getFile(message, true);
 	}