/*
 * Copyright (c) 2010 Grzegorz Biesiadecki <biesiad@rushbean.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software.  * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
*/

(function( $ ){

    var links = [],
    methods = {
        add: function() { 
            return this.each(function() {
                $(this).addClass('multi-download-item');
                links.push(this);
            });
        },

        remove: function () {
            return this.each(function () {
                $(this).removeClass('multi-download-item');
                links.pop(this);
            });
        },

        clear: function () {
            $.each(links, function (index, link) {
                $(link).removeClass('multi-download-item');
            });
            links = [];
            return this;
        },

        bind: function( e, options ) {
            var delay = (options && options.delay) || 1000;
            return this.each(function () {
                $(this).addClass('multi-download-trigger');
                $(this).bind(e, function(event) {
                    event.preventDefault();
                    $.each(links, function (index, element) {
                        var frame = $('<iframe style="display: none;" class="multi-download-frame"></iframe>');
                        frame.attr('src', $(element).attr('href'));
                        $(element).after(frame);
                        setTimeout(function () { frame.remove(); }, delay);
                    });
                });
            });
        }
    };

    $.fn.multiDownload = function( bindEvent, options ) {
        if( bindEvent ) {
            return methods.bind.apply( this, arguments, options );
        } else {
            console.log('multiDownload() is obsolete. Please use multiDownloadAdd for adding new link.');
            return methods.add.apply( this, arguments );
        }
    };

    $.fn.multiDownloadAdd = function () {
        return methods.add.apply( this, arguments );
    };

    $.fn.multiDownloadRemove = function () {
        return methods.remove.apply( this, arguments );
    };

    $.fn.multiDownloadClear = function () {
        return methods.clear.apply( this, arguments );
    };

})( jQuery );