class SetTaskAsDone implements Runnable, View.OnClickListener {

            final int taskId;
            final boolean done;

            public SetTaskAsDone(int taskId, boolean done) {

                this.taskId = taskId;
                this.done = done;
            }

            @SuppressWarnings("WrongConstant") @Override
            public void run() {

                int updated = updateTask(done);

                UndoTaskLayout.make(fragment.getView(), 5000).setAction(this).show();

                // Snackbar snackbar = Snackbar.make(fragment.getView(),
                //         "Task Completed", Snackbar.LENGTH_INDEFINITE);
                // snackbar.setDuration(5000);
                // snackbar.setAction("Undo", this);
                // snackbar.show();

                if (updated != 1) Log.e("TaskUpdateError",
                        "Set task(id:" + taskId + ") as completed returned " + updated + " instead of 1");

                TasksAdapter.this.refreshList();
            }

            private int updateTask(boolean b) {
                HauteDbHelper dbHelper = HauteDbHelper.getInstance(fragment.getContext());
                SQLiteDatabase db = dbHelper.getReadableDatabase();

                ContentValues cv;

                if (b) {

                    cv = new ContentValues(2);
                    cv.put(TasksEntry.COLUMN_DONE, 1);
                    cv.put(TasksEntry.COLUMN_DONE_DATETIME, System.currentTimeMillis());

                } else {

                    cv = new ContentValues(1);
                    cv.put(TasksEntry.COLUMN_DONE, 0);
                }

                return db.update(TasksEntry.TABLE_NAME, cv,
                        TasksEntry.FULL_ID + " = " + taskId, null);
            }

            @Override
            public void onClick(View v) {

                int updated = updateTask(!done);

                if (updated != 1) Log.e("TaskUpdateError",
                        "Set task(id:" + taskId + ") as completed returned " + updated + " instead of 1");

                TasksAdapter.this.refreshList();
            }
        }