512 lines
16 KiB
JavaScript
512 lines
16 KiB
JavaScript
/*
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* jQuery Media Plugin for converting elements into rich media content.
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*
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* Examples and documentation at: http://malsup.com/jquery/media/
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* Copyright (c) 2007-2010 M. Alsup
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* @author: M. Alsup
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* @version: 0.99 (05-JUN-2013)
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* @requires jQuery v1.1.2 or later
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* $Id: jquery.media.js 2460 2007-07-23 02:53:15Z malsup $
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*
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* Supported Media Players:
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* - Flash
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* - Quicktime
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* - Real Player
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* - Silverlight
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* - Windows Media Player
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* - iframe
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*
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* Supported Media Formats:
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* Any types supported by the above players, such as:
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* Video: asf, avi, flv, mov, mpg, mpeg, mp4, qt, smil, swf, wmv, 3g2, 3gp
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* Audio: aif, aac, au, gsm, mid, midi, mov, mp3, m4a, snd, rm, wav, wma
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* Other: bmp, html, pdf, psd, qif, qtif, qti, tif, tiff, xaml
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*
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* Thanks to Mark Hicken and Brent Pedersen for helping me debug this on the Mac!
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* Thanks to Dan Rossi for numerous bug reports and code bits!
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* Thanks to Skye Giordano for several great suggestions!
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* Thanks to Richard Connamacher for excellent improvements to the non-IE behavior!
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*/
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/*global SWFObject alert Sys */
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/*jshint forin:false */
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;(function($) {
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"use strict";
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var mode = document.documentMode || 0;
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var msie = /MSIE/.test(navigator.userAgent);
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var lameIE = msie && (/MSIE (6|7|8)\.0/.test(navigator.userAgent) || mode < 9);
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/**
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* Chainable method for converting elements into rich media.
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*
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* @param options
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* @param callback fn invoked for each matched element before conversion
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* @param callback fn invoked for each matched element after conversion
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*/
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$.fn.media = function(options, f1, f2) {
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if (options == 'undo') {
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return this.each(function() {
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var $this = $(this);
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var html = $this.data('media.origHTML');
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if (html)
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$this.replaceWith(html);
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});
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}
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return this.each(function() {
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if (typeof options == 'function') {
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f2 = f1;
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f1 = options;
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options = {};
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}
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var o = getSettings(this, options);
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// pre-conversion callback, passes original element and fully populated options
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if (typeof f1 == 'function') f1(this, o);
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var r = getTypesRegExp();
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var m = r.exec(o.src.toLowerCase()) || [''];
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var fn;
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if (o.type)
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m[0] = o.type;
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else
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m.shift();
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for (var i=0; i < m.length; i++) {
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fn = m[i].toLowerCase();
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if (isDigit(fn[0])) fn = 'fn' + fn; // fns can't begin with numbers
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if (!$.fn.media[fn])
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continue; // unrecognized media type
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// normalize autoplay settings
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var player = $.fn.media[fn+'_player'];
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if (!o.params) o.params = {};
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if (player) {
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var num = player.autoplayAttr == 'autostart';
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o.params[player.autoplayAttr || 'autoplay'] = num ? (o.autoplay ? 1 : 0) : o.autoplay ? true : false;
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}
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var $div = $.fn.media[fn](this, o);
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$div.css('backgroundColor', o.bgColor).width(o.width);
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if (o.canUndo) {
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var $temp = $('<div></div>').append(this);
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$div.data('media.origHTML', $temp.html()); // store original markup
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}
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// post-conversion callback, passes original element, new div element and fully populated options
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if (typeof f2 == 'function') f2(this, $div[0], o, player.name);
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break;
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}
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});
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};
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/**
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* Non-chainable method for adding or changing file format / player mapping
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* @name mapFormat
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* @param String format File format extension (ie: mov, wav, mp3)
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* @param String player Player name to use for the format (one of: flash, quicktime, realplayer, winmedia, silverlight or iframe
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*/
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$.fn.media.mapFormat = function(format, player) {
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if (!format || !player || !$.fn.media.defaults.players[player]) return; // invalid
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format = format.toLowerCase();
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if (isDigit(format[0])) format = 'fn' + format;
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$.fn.media[format] = $.fn.media[player];
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$.fn.media[format+'_player'] = $.fn.media.defaults.players[player];
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};
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// global defautls; override as needed
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$.fn.media.defaults = {
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standards: true, // use object tags only (no embeds for non-IE browsers)
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canUndo: true, // tells plugin to store the original markup so it can be reverted via: $(sel).mediaUndo()
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width: 400,
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height: 400,
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autoplay: 0, // normalized cross-player setting
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bgColor: '#ffffff', // background color
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params: { wmode: 'transparent'}, // added to object element as param elements; added to embed element as attrs
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attrs: {}, // added to object and embed elements as attrs
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flvKeyName: 'file', // key used for object src param (thanks to Andrea Ercolino)
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flashvars: {}, // added to flash content as flashvars param/attr
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flashVersion: '7', // required flash version
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expressInstaller: null, // src for express installer
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// default flash video and mp3 player (@see: http://jeroenwijering.com/?item=Flash_Media_Player)
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flvPlayer: 'mediaplayer.swf',
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mp3Player: 'mediaplayer.swf',
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// @see http://msdn2.microsoft.com/en-us/library/bb412401.aspx
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silverlight: {
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inplaceInstallPrompt: 'true', // display in-place install prompt?
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isWindowless: 'true', // windowless mode (false for wrapping markup)
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framerate: '24', // maximum framerate
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version: '0.9', // Silverlight version
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onError: null, // onError callback
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onLoad: null, // onLoad callback
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initParams: null, // object init params
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userContext: null // callback arg passed to the load callback
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}
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};
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// Media Players; think twice before overriding
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$.fn.media.defaults.players = {
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flash: {
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name: 'flash',
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title: 'Flash',
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types: 'flv,mp3,swf',
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mimetype: 'application/x-shockwave-flash',
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pluginspage: 'http://www.adobe.com/go/getflashplayer',
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ieAttrs: {
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classid: 'clsid:d27cdb6e-ae6d-11cf-96b8-444553540000',
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type: 'application/x-oleobject',
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codebase: 'http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + $.fn.media.defaults.flashVersion
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}
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},
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quicktime: {
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name: 'quicktime',
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title: 'QuickTime',
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mimetype: 'video/quicktime',
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pluginspage: 'http://www.apple.com/quicktime/download/',
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types: 'aif,aiff,aac,au,bmp,gsm,mov,mid,midi,mpg,mpeg,mp4,m4a,psd,qt,qtif,qif,qti,snd,tif,tiff,wav,3g2,3gp',
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ieAttrs: {
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classid: 'clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B',
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codebase: 'http://www.apple.com/qtactivex/qtplugin.cab'
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}
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},
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realplayer: {
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name: 'real',
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title: 'RealPlayer',
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types: 'ra,ram,rm,rpm,rv,smi,smil',
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mimetype: 'audio/x-pn-realaudio-plugin',
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pluginspage: 'http://www.real.com/player/',
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autoplayAttr: 'autostart',
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ieAttrs: {
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classid: 'clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA'
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}
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},
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winmedia: {
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name: 'winmedia',
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title: 'Windows Media',
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types: 'asx,asf,avi,wma,wmv',
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mimetype: isFirefoxWMPPluginInstalled() ? 'application/x-ms-wmp' : 'application/x-mplayer2',
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pluginspage: 'http://www.microsoft.com/Windows/MediaPlayer/',
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autoplayAttr: 'autostart',
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oUrl: 'url',
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ieAttrs: {
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classid: 'clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6',
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type: 'application/x-oleobject'
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}
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},
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// special cases
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img: {
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name: 'img',
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title: 'Image',
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types: 'gif,png,jpg'
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},
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iframe: {
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name: 'iframe',
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types: 'html,pdf'
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},
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silverlight: {
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name: 'silverlight',
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types: 'xaml'
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}
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};
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//
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// everything below here is private
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//
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// detection script for FF WMP plugin (http://www.therossman.org/experiments/wmp_play.html)
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// (hat tip to Mark Ross for this script)
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function isFirefoxWMPPluginInstalled() {
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var plugs = navigator.plugins || [];
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for (var i = 0; i < plugs.length; i++) {
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var plugin = plugs[i];
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if (plugin['filename'] == 'np-mswmp.dll')
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return true;
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}
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return false;
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}
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var counter = 1;
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for (var player in $.fn.media.defaults.players) {
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var types = $.fn.media.defaults.players[player].types;
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$.each(types.split(','), function(i,o) {
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if (isDigit(o[0])) o = 'fn' + o;
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$.fn.media[o] = $.fn.media[player] = getGenerator(player);
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$.fn.media[o+'_player'] = $.fn.media.defaults.players[player];
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});
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}
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function getTypesRegExp() {
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var types = '';
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for (var player in $.fn.media.defaults.players) {
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if (types.length) types += ',';
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types += $.fn.media.defaults.players[player].types;
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}
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return new RegExp('\\.(' + types.replace(/,/ig,'|') + ')\\b');
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}
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function getGenerator(player) {
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return function(el, options) {
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return generate(el, options, player);
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};
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}
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function isDigit(c) {
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return '0123456789'.indexOf(c) > -1;
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}
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// flatten all possible options: global defaults, meta, option obj
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function getSettings(el, options) {
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options = options || {};
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var a, n;
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var $el = $(el);
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var cls = el.className || '';
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// support metadata plugin (v1.0 and v2.0)
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var meta = $.metadata ? $el.metadata() : $.meta ? $el.data() : {};
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meta = meta || {};
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var w = meta.width || parseInt(((cls.match(/\bw:(\d+)/)||[])[1]||0),10) || parseInt(((cls.match(/\bwidth:(\d+)/)||[])[1]||0),10);
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var h = meta.height || parseInt(((cls.match(/\bh:(\d+)/)||[])[1]||0),10) || parseInt(((cls.match(/\bheight:(\d+)/)||[])[1]||0),10);
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if (w) meta.width = w;
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if (h) meta.height = h;
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if (cls) meta.cls = cls;
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// crank html5 style data attributes
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var dataName = 'data-';
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for (var i=0; i < el.attributes.length; i++) {
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a = el.attributes[i], n = $.trim(a.name);
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var index = n.indexOf(dataName);
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if (index === 0) {
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n = n.substring(dataName.length);
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meta[n] = a.value;
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}
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}
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a = $.fn.media.defaults;
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var b = options;
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var c = meta;
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var p = { params: { bgColor: options.bgColor || $.fn.media.defaults.bgColor } };
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var opts = $.extend({}, a, b, c);
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$.each(['attrs','params','flashvars','silverlight'], function(i,o) {
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opts[o] = $.extend({}, p[o] || {}, a[o] || {}, b[o] || {}, c[o] || {});
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});
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if (typeof opts.caption == 'undefined') opts.caption = $el.text();
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// make sure we have a source!
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opts.src = opts.src || $el.attr('href') || $el.attr('src') || 'unknown';
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return opts;
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}
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//
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// Flash Player
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//
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// generate flash using SWFObject library if possible
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$.fn.media.swf = function(el, opts) {
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var f, p;
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if (!window.SWFObject && !window.swfobject) {
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// roll our own
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if (opts.flashvars) {
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var a = [];
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for (f in opts.flashvars)
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a.push(f + '=' + opts.flashvars[f]);
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if (!opts.params) opts.params = {};
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opts.params.flashvars = a.join('&');
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}
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return generate(el, opts, 'flash');
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}
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var id = el.id ? (' id="'+el.id+'"') : '';
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var cls = opts.cls ? (' class="' + opts.cls + '"') : '';
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var $div = $('<div' + id + cls + '>');
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// swfobject v2+
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if (window.swfobject) {
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$(el).after($div).appendTo($div);
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if (!el.id) el.id = 'movie_player_' + counter++;
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// replace el with swfobject content
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window.swfobject.embedSWF(opts.src, el.id, opts.width, opts.height, opts.flashVersion,
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opts.expressInstaller, opts.flashvars, opts.params, opts.attrs);
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}
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// swfobject < v2
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else {
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$(el).after($div).remove();
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var so = new SWFObject(opts.src, 'movie_player_' + counter++, opts.width, opts.height, opts.flashVersion, opts.bgColor);
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if (opts.expressInstaller) so.useExpressInstall(opts.expressInstaller);
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for (p in opts.params)
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if (p != 'bgColor') so.addParam(p, opts.params[p]);
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for (f in opts.flashvars)
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so.addVariable(f, opts.flashvars[f]);
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so.write($div[0]);
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}
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if (opts.caption) $('<div>').appendTo($div).html(opts.caption);
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return $div;
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};
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// map flv and mp3 files to the swf player by default
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$.fn.media.flv = $.fn.media.mp3 = function(el, opts) {
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var src = opts.src;
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var player = /\.mp3\b/i.test(src) ? opts.mp3Player : opts.flvPlayer;
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var key = opts.flvKeyName;
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src = encodeURIComponent(src);
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opts.src = player;
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opts.src = opts.src + '?'+key+'=' + (src);
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var srcObj = {};
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srcObj[key] = src;
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opts.flashvars = $.extend({}, srcObj, opts.flashvars );
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return $.fn.media.swf(el, opts);
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};
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//
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// Silverlight
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//
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$.fn.media.xaml = function(el, opts) {
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if (!window.Sys || !window.Sys.Silverlight) {
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if ($.fn.media.xaml.warning) return;
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$.fn.media.xaml.warning = 1;
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alert('You must include the Silverlight.js script.');
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return;
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}
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var props = {
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width: opts.width,
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height: opts.height,
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background: opts.bgColor,
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inplaceInstallPrompt: opts.silverlight.inplaceInstallPrompt,
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isWindowless: opts.silverlight.isWindowless,
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framerate: opts.silverlight.framerate,
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version: opts.silverlight.version
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};
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var events = {
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onError: opts.silverlight.onError,
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onLoad: opts.silverlight.onLoad
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};
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var id1 = el.id ? (' id="'+el.id+'"') : '';
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var id2 = opts.id || 'AG' + counter++;
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// convert element to div
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var cls = opts.cls ? (' class="' + opts.cls + '"') : '';
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var $div = $('<div' + id1 + cls + '>');
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$(el).after($div).remove();
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Sys.Silverlight.createObjectEx({
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source: opts.src,
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initParams: opts.silverlight.initParams,
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userContext: opts.silverlight.userContext,
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id: id2,
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parentElement: $div[0],
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properties: props,
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events: events
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});
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if (opts.caption) $('<div>').appendTo($div).html(opts.caption);
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return $div;
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};
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//
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// generate object/embed markup
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//
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function generate(el, opts, player) {
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var $el = $(el);
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var o = $.fn.media.defaults.players[player];
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var a, key, v;
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if (player == 'iframe') {
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o = $('<iframe' + ' width="' + opts.width + '" height="' + opts.height + '" >');
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o.attr('src', opts.src);
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o.css('backgroundColor', o.bgColor);
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}
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else if (player == 'img') {
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o = $('<img>');
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o.attr('src', opts.src);
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if (opts.width)
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o.attr('width', opts.width);
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if (opts.height)
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o.attr('height', opts.height);
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o.css('backgroundColor', o.bgColor);
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}
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else if (lameIE) {
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a = ['<object width="' + opts.width + '" height="' + opts.height + '" '];
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for (key in opts.attrs)
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a.push(key + '="'+opts.attrs[key]+'" ');
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for (key in o.ieAttrs || {}) {
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v = o.ieAttrs[key];
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if (key == 'codebase' && window.location.protocol == 'https:')
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v = v.replace('http','https');
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a.push(key + '="'+v+'" ');
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}
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a.push('></ob'+'ject'+'>');
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var p = ['<param name="' + (o.oUrl || 'src') +'" value="' + opts.src + '">'];
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for (key in opts.params)
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p.push('<param name="'+ key +'" value="' + opts.params[key] + '">');
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o = document.createElement(a.join(''));
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for (var i=0; i < p.length; i++)
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o.appendChild(document.createElement(p[i]));
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}
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else if (opts.standards) {
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// Rewritten to be standards compliant by Richard Connamacher
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a = ['<object type="' + o.mimetype +'" width="' + opts.width + '" height="' + opts.height +'"'];
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if (opts.src) a.push(' data="' + opts.src + '" ');
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if (msie) {
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for (key in o.ieAttrs || {}) {
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v = o.ieAttrs[key];
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if (key == 'codebase' && window.location.protocol == 'https:')
|
|
v = v.replace('http','https');
|
|
a.push(key + '="'+v+'" ');
|
|
}
|
|
}
|
|
a.push('>');
|
|
a.push('<param name="' + (o.oUrl || 'src') +'" value="' + opts.src + '">');
|
|
for (key in opts.params) {
|
|
if (key == 'wmode' && player != 'flash') // FF3/Quicktime borks on wmode
|
|
continue;
|
|
a.push('<param name="'+ key +'" value="' + opts.params[key] + '">');
|
|
}
|
|
// Alternate HTML
|
|
a.push('<div><p><strong>'+o.title+' Required</strong></p><p>'+o.title+' is required to view this media. <a href="'+o.pluginspage+'">Download Here</a>.</p></div>');
|
|
a.push('</ob'+'ject'+'>');
|
|
}
|
|
else {
|
|
a = ['<embed width="' + opts.width + '" height="' + opts.height + '" style="display:block"'];
|
|
if (opts.src) a.push(' src="' + opts.src + '" ');
|
|
for (key in opts.attrs)
|
|
a.push(key + '="'+opts.attrs[key]+'" ');
|
|
for (key in o.eAttrs || {})
|
|
a.push(key + '="'+o.eAttrs[key]+'" ');
|
|
for (key in opts.params) {
|
|
if (key == 'wmode' && player != 'flash') // FF3/Quicktime borks on wmode
|
|
continue;
|
|
a.push(key + '="'+opts.params[key]+'" ');
|
|
}
|
|
a.push('></em'+'bed'+'>');
|
|
}
|
|
// convert element to div
|
|
var id = el.id ? (' id="'+el.id+'"') : '';
|
|
var cls = opts.cls ? (' class="' + opts.cls + '"') : '';
|
|
var $div = $('<div' + id + cls + '>');
|
|
$el.after($div).remove();
|
|
if (lameIE || player == 'iframe' || player == 'img')
|
|
$div.append(o);
|
|
else
|
|
$div.html(a.join(''));
|
|
|
|
if (opts.caption)
|
|
$('<div>').appendTo($div).html(opts.caption);
|
|
return $div;
|
|
}
|
|
|
|
|
|
})(jQuery);
|