cleanup for clear conversation history. small otr fixes

2 files changed, 18 insertions, 22 deletions

diff --git a/src/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/eu/siacs/conversations/persistance/DatabaseBackend.java
index b49cf4e61..12e5e2510 100644
--- a/src/eu/siacs/conversations/persistance/DatabaseBackend.java
+++ b/src/eu/siacs/conversations/persistance/DatabaseBackend.java
@@ -332,4 +332,22 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 		cursor.moveToFirst();
 		return Account.fromCursor(cursor);
 	}
+
+	public List<Message> getImageMessages(Conversation conversation) {
+		ArrayList<Message> list = new ArrayList<Message>();
+		SQLiteDatabase db = this.getReadableDatabase();
+		Cursor cursor;
+			String[] selectionArgs = { conversation.getUuid(), String.valueOf(Message.TYPE_IMAGE) };
+			cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+					+ "=? AND "+Message.TYPE+"=?", selectionArgs, null, null,null);
+		if (cursor.getCount() > 0) {
+			cursor.moveToLast();
+			do {
+				Message message = Message.fromCursor(cursor);
+				message.setConversation(conversation);
+				list.add(message);
+			} while (cursor.moveToPrevious());
+		}
+		return list;
+	}
 }
diff --git a/src/eu/siacs/conversations/persistance/FileBackend.java b/src/eu/siacs/conversations/persistance/FileBackend.java
index 5eccf15ca..13daa27b1 100644
--- a/src/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/eu/siacs/conversations/persistance/FileBackend.java
@@ -28,7 +28,6 @@ import android.util.Base64OutputStream;
 import android.util.Log;
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
-import eu.siacs.conversations.entities.Conversation;
 import eu.siacs.conversations.entities.DownloadableFile;
 import eu.siacs.conversations.entities.Message;
 import eu.siacs.conversations.services.XmppConnectionService;
@@ -215,27 +214,6 @@ public class FileBackend {
 		return thumbnail;
 	}
 
-	public void removeFiles(Conversation conversation) {
-		String prefix = mXmppConnectionService.getFilesDir().getAbsolutePath();
-		String path = prefix + "/" + conversation.getAccount().getJid() + "/"
-				+ conversation.getContactJid();
-		File file = new File(path);
-		try {
-			this.deleteFile(file);
-		} catch (IOException e) {
-			Log.d(Config.LOGTAG,
-					"error deleting file: " + file.getAbsolutePath());
-		}
-	}
-
-	private void deleteFile(File f) throws IOException {
-		if (f.isDirectory()) {
-			for (File c : f.listFiles())
-				deleteFile(c);
-		}
-		f.delete();
-	}
-
 	public Uri getTakePhotoUri() {
 		StringBuilder pathBuilder = new StringBuilder();
 		pathBuilder.append(Environment