Added POP3 trash folder

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -1548,11 +1548,13 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
                     boolean move = !(message.folderReadOnly || message.uid == null);
                     boolean archive = (move && (hasArchive && !inArchive));
-                    boolean trash = (move || outbox || debug);
+                    boolean trash = (move || outbox || debug ||
+                            message.accountProtocol == EntityAccount.TYPE_POP);
                     boolean junk = (move && (hasJunk && !inJunk));
                     boolean unjunk = (move && inJunk);
 
-                    final boolean delete = (inTrash || !hasTrash || outbox || message.uid == null);
+                    final boolean delete = (inTrash || !hasTrash || outbox ||
+                            message.uid == null || message.accountProtocol == EntityAccount.TYPE_POP);
 
                     SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
                     boolean button_archive_trash = prefs.getBoolean("button_archive_trash", true);

app/src/main/java/eu/faircode/email/Core.java

@@ -1050,15 +1050,53 @@ class Core {
                 try {
                     ifolder.close(true);
                     ifolder.open(Folder.READ_WRITE);
+                    db.message().deleteMessage(folder.id, message.id);
                 } catch (Throwable ex) {
                     Log.e(ex);
                     state.error(new FolderClosedException(ifolder, "POP"));
                 }
             else
                 db.message().deleteMessage(folder.id, message.id);
+        } else {
+            if (!EntityFolder.INBOX.equals(folder.type))
+                db.message().deleteMessage(folder.id, message.id);
+        }
 
-        } else
+        if (!EntityFolder.TRASH.equals(folder.type)) {
-            db.message().deleteMessage(folder.id, message.id);
+            EntityFolder trash = db.folder().getFolderByType(message.account, EntityFolder.TRASH);
+            if (trash == null) {
+                trash = new EntityFolder();
+                trash.account = account.id;
+                trash.name = context.getString(R.string.title_folder_trash);
+                trash.type = EntityFolder.TRASH;
+                trash.synchronize = false;
+                trash.unified = false;
+                trash.notify = false;
+                trash.sync_days = Integer.MAX_VALUE;
+                trash.keep_days = Integer.MAX_VALUE;
+                trash.initialize = 0;
+                trash.id = db.folder().insertFolder(trash);
+            }
+
+            long id = message.id;
+
+            message.id = null;
+            message.folder = trash.id;
+            message.msgid = null;
+            message.ui_hide = false;
+            message.ui_seen = true;
+            message.id = db.message().insertMessage(message);
+
+            try {
+                File source = EntityMessage.getFile(context, id);
+                File target = message.getFile(context);
+                Helper.copy(source, target);
+            } catch (IOException ex) {
+                Log.e(ex);
+            }
+
+            EntityAttachment.copy(context, id, message.id);
+        }
     }
 
     private static void onHeaders(Context context, JSONArray jargs, EntityFolder folder, EntityMessage message, IMAPFolder ifolder) throws MessagingException {

app/src/main/java/eu/faircode/email/DaoAccount.java

@@ -104,7 +104,6 @@ public interface DaoAccount {
     @Query("SELECT account.id" +
             ", account.swipe_left, l.type AS left_type, l.name AS left_name, l.color AS left_color" +
             ", account.swipe_right, r.type AS right_type, r.name AS right_name, r.color AS right_color" +
-            ", account.leave_deleted" +
             " FROM account" +
             " LEFT JOIN folder l ON l.id = account.swipe_left" +
             " LEFT JOIN folder r ON r.id = account.swipe_right" +

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -1690,15 +1690,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
             if (message.accountProtocol != EntityAccount.TYPE_IMAP) {
                 swipes.swipe_right = FragmentAccount.SWIPE_ACTION_SEEN;
-                if (swipes.leave_deleted) {
+                swipes.swipe_left = FragmentAccount.SWIPE_ACTION_DELETE;
-                    if (message.ui_snoozed != null && message.ui_snoozed == Long.MAX_VALUE)
-                        swipes.swipe_left = FragmentAccount.SWIPE_ACTION_HIDE; // show
-                    else {
-                        swipes.swipe_left = 0L;
-                        swipes.left_type = EntityFolder.TRASH; // hide
-                    }
-                } else
-                    swipes.swipe_left = FragmentAccount.SWIPE_ACTION_DELETE;
             }
 
             Long action = (dX > 0 ? swipes.swipe_right : swipes.swipe_left);
@@ -1791,12 +1783,8 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
             if (message.accountProtocol != EntityAccount.TYPE_IMAP) {
                 if (direction == ItemTouchHelper.LEFT) {
-                    if (swipes.leave_deleted)
+                    adapter.notifyItemChanged(pos);
-                        onActionHide(message);
+                    onSwipeDelete(message);
-                    else {
-                        adapter.notifyItemChanged(pos);
-                        onSwipeDelete(message);
-                    }
                 } else
                     onActionSeenSelection(!message.ui_seen, message.id);
                 return;
@@ -4174,7 +4162,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                     }
 
                     return new Boolean[]{
-                            trash == null,
+                            trash == null || account.protocol == EntityAccount.TYPE_POP,
                             trashable,
                             snoozable,
                             archivable && archive != null};

app/src/main/java/eu/faircode/email/FragmentPop.java

@@ -454,6 +454,21 @@ public class FragmentPop extends FragmentBase {
                         sent.id = db.folder().insertFolder(sent);
                     }
 
+                    EntityFolder trash = db.folder().getFolderByType(account.id, EntityFolder.TRASH);
+                    if (trash == null) {
+                        trash = new EntityFolder();
+                        trash.account = account.id;
+                        trash.name = context.getString(R.string.title_folder_trash);
+                        trash.type = EntityFolder.TRASH;
+                        trash.synchronize = false;
+                        trash.unified = false;
+                        trash.notify = false;
+                        trash.sync_days = Integer.MAX_VALUE;
+                        trash.keep_days = Integer.MAX_VALUE;
+                        trash.initialize = 0;
+                        trash.id = db.folder().insertFolder(trash);
+                    }
+
                     db.setTransactionSuccessful();
                 } finally {
                     db.endTransaction();

app/src/main/java/eu/faircode/email/TupleAccountSwipes.java

@@ -29,5 +29,4 @@ public class TupleAccountSwipes {
     public String right_type;
     public String right_name;
     public Integer right_color;
-    public Boolean leave_deleted;
 }