/*
 * Copyright 2010-2011 Research In Motion Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var _event = require("../../lib/event"),
    ONCE_EVENT_ERROR = "Error occured while adding once event listener.",
    ERROR_ID = -1;

module.exports = {
    once: function (request, success, fail, args, env) {
        try {
            var eventName = decodeURIComponent(args.eventName).replace(/\"/g, ""),
                action = {
                    once: true,
                    event: eventName
                };

            _event.add(action, env.webview);

            if (success) {
                success();
            }
        }
        catch (e) {
            if (fail) {
                fail(ERROR_ID, ONCE_EVENT_ERROR);
            }
        }
    }
};
