1 files changed, 32 insertions, 2 deletions
diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index 4bdf080cf..18c195f12 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.graphics.BitmapFactory;
 import android.graphics.Canvas;
@@ -26,7 +27,6 @@ import java.security.DigestOutputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.text.SimpleDateFormat;
-import java.util.Arrays;
 import java.util.Date;
 import java.util.Locale;
 
@@ -34,7 +34,6 @@ 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.entities.Transferable;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.utils.CryptoHelper;
 import eu.siacs.conversations.utils.ExifHelper;
@@ -50,6 +49,37 @@ public class FileBackend {
 		this.mXmppConnectionService = service;
 	}
 
+	private 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 void updateMediaScanner(File file) {
+		if (file.getAbsolutePath().startsWith(getConversationsImageDirectory())) {
+			Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
+			intent.setData(Uri.fromFile(file));
+			mXmppConnectionService.sendBroadcast(intent);
+		} else {
+			createNoMedia();
+		}
+	}
+
+	public boolean deleteFile(Message message) {
+		File file = getFile(message);
+		if (file.delete()) {
+			updateMediaScanner(file);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
 	public DownloadableFile getFile(Message message) {
 		return getFile(message, true);
 	}