static/components/video.js
/*!
* # Semantic UI 1.12.3 - Video
* http://github.com/semantic-org/semantic-ui/
*
*
* Copyright 2014 Contributorss
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ($, window, document, undefined) {
"use strict";
$.fn.video = function(parameters) {
var
$allModules = $(this),
moduleSelector = $allModules.selector || '',
time = new Date().getTime(),
performance = [],
query = arguments[0],
methodInvoked = (typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
requestAnimationFrame = window.requestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(callback) { setTimeout(callback, 0); },
returnedValue
;
$allModules
.each(function() {
var
settings = ( $.isPlainObject(parameters) )
? $.extend(true, {}, $.fn.video.settings, parameters)
: $.extend({}, $.fn.video.settings),
selector = settings.selector,
className = settings.className,
error = settings.error,
metadata = settings.metadata,
namespace = settings.namespace,
templates = settings.templates,
eventNamespace = '.' + namespace,
moduleNamespace = 'module-' + namespace,
$window = $(window),
$module = $(this),
$placeholder = $module.find(selector.placeholder),
$playButton = $module.find(selector.playButton),
$embed = $module.find(selector.embed),
element = this,
instance = $module.data(moduleNamespace),
module
;
module = {
initialize: function() {
module.debug('Initializing video');
module.create();
$placeholder
.on('click' + eventNamespace, module.play)
;
$playButton
.on('click' + eventNamespace, module.play)
;
module.instantiate();
},
instantiate: function() {
module.verbose('Storing instance of module', module);
instance = module;
$module
.data(moduleNamespace, module)
;
},
create: function() {
var
image = $module.data(metadata.image),
html = templates.video(image)
;
$module.html(html);
module.refresh();
if(!image) {
module.play();
}
module.debug('Creating html for video element', html);
},
destroy: function() {
module.verbose('Destroying previous instance of video');
module.reset();
$module
.removeData(moduleNamespace)
.off(eventNamespace)
;
$placeholder
.off(eventNamespace)
;
$playButton
.off(eventNamespace)
;
},
refresh: function() {
module.verbose('Refreshing selector cache');
$placeholder = $module.find(selector.placeholder);
$playButton = $module.find(selector.playButton);
$embed = $module.find(selector.embed);
},
// sets new video
change: function(source, id, url) {
module.debug('Changing video to ', source, id, url);
$module
.data(metadata.source, source)
.data(metadata.id, id)
.data(metadata.url, url)
;
settings.onChange();
},
// clears video embed
reset: function() {
module.debug('Clearing video embed and showing placeholder');
$module
.removeClass(className.active)
;
$embed
.html(' ')
;
$placeholder
.show()
;
settings.onReset();
},
// plays current video
play: function() {
module.debug('Playing video');
var
source = $module.data(metadata.source) || false,
url = $module.data(metadata.url) || false,
id = $module.data(metadata.id) || false
;
$embed
.html( module.generate.html(source, id, url) )
;
$module
.addClass(className.active)
;
settings.onPlay();
},
get: {
source: function(url) {
if(typeof url !== 'string') {
return false;
}
if(url.search('youtube.com') !== -1) {
return 'youtube';
}
else if(url.search('vimeo.com') !== -1) {
return 'vimeo';
}
return false;
},
id: function(url) {
if(url.match(settings.regExp.youtube)) {
return url.match(settings.regExp.youtube)[1];
}
else if(url.match(settings.regExp.vimeo)) {
return url.match(settings.regExp.vimeo)[2];
}
return false;
}
},
generate: {
// generates iframe html
html: function(source, id, url) {
module.debug('Generating embed html');
var
html
;
// allow override of settings
source = source || settings.source;
id = id || settings.id;
if((source && id) || url) {
if(!source || !id) {
source = module.get.source(url);
id = module.get.id(url);
}
if(source == 'vimeo') {
html = ''
+ '<iframe src="//player.vimeo.com/video/' + id + '?=' + module.generate.url(source) + '"'
+ ' width="100%" height="100%"'
+ ' frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>'
;
}
else if(source == 'youtube') {
html = ''
+ '<iframe src="//www.youtube.com/embed/' + id + '?=' + module.generate.url(source) + '"'
+ ' width="100%" height="100%"'
+ ' frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>'
;
}
}
else {
module.error(error.noVideo);
}
return html;
},
// generate url parameters
url: function(source) {
var
api = (settings.api)
? 1
: 0,
autoplay = (settings.autoplay === 'auto')
? ($module.data('image') !== undefined)
: settings.autoplay,
hd = (settings.hd)
? 1
: 0,
showUI = (settings.showUI)
? 1
: 0,
// opposite used for some params
hideUI = !(settings.showUI)
? 1
: 0,
url = ''
;
if(source == 'vimeo') {
url = ''
+ 'api=' + api
+ '&title=' + showUI
+ '&byline=' + showUI
+ '&portrait=' + showUI
+ '&autoplay=' + autoplay
;
if(settings.color) {
url += '&color=' + settings.color;
}
}
if(source == 'ustream') {
url = ''
+ 'autoplay=' + autoplay
;
if(settings.color) {
url += '&color=' + settings.color;
}
}
else if(source == 'youtube') {
url = ''
+ 'enablejsapi=' + api
+ '&autoplay=' + autoplay
+ '&autohide=' + hideUI
+ '&hq=' + hd
+ '&modestbranding=1'
;
if(settings.color) {
url += '&color=' + settings.color;
}
}
return url;
}
},
setting: function(name, value) {
module.debug('Changing setting', name, value);
if( $.isPlainObject(name) ) {
$.extend(true, settings, name);
}
else if(value !== undefined) {
settings[name] = value;
}
else {
return settings[name];
}
},
internal: function(name, value) {
if( $.isPlainObject(name) ) {
$.extend(true, module, name);
}
else if(value !== undefined) {
module[name] = value;
}
else {
return module[name];
}
},
debug: function() {
if(settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.debug.apply(console, arguments);
}
}
},
verbose: function() {
if(settings.verbose && settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.verbose.apply(console, arguments);
}
}
},
error: function() {
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
module.error.apply(console, arguments);
},
performance: {
log: function(message) {
var
currentTime,
executionTime,
previousTime
;
if(settings.performance) {
currentTime = new Date().getTime();
previousTime = time || currentTime;
executionTime = currentTime - previousTime;
time = currentTime;
performance.push({
'Name' : message[0],
'Arguments' : [].slice.call(message, 1) || '',
'Element' : element,
'Execution Time' : executionTime
});
}
clearTimeout(module.performance.timer);
module.performance.timer = setTimeout(module.performance.display, 100);
},
display: function() {
var
title = settings.name + ':',
totalTime = 0
;
time = false;
clearTimeout(module.performance.timer);
$.each(performance, function(index, data) {
totalTime += data['Execution Time'];
});
title += ' ' + totalTime + 'ms';
if(moduleSelector) {
title += ' \'' + moduleSelector + '\'';
}
if($allModules.length > 1) {
title += ' ' + '(' + $allModules.length + ')';
}
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
console.groupCollapsed(title);
if(console.table) {
console.table(performance);
}
else {
$.each(performance, function(index, data) {
console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
});
}
console.groupEnd();
}
performance = [];
}
},
invoke: function(query, passedArguments, context) {
var
object = instance,
maxDepth,
found,
response
;
passedArguments = passedArguments || queryArguments;
context = element || context;
if(typeof query == 'string' && object !== undefined) {
query = query.split(/[\. ]/);
maxDepth = query.length - 1;
$.each(query, function(depth, value) {
var camelCaseValue = (depth != maxDepth)
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
: query
;
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
object = object[camelCaseValue];
}
else if( object[camelCaseValue] !== undefined ) {
found = object[camelCaseValue];
return false;
}
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
object = object[value];
}
else if( object[value] !== undefined ) {
found = object[value];
return false;
}
else {
module.error(error.method, query);
return false;
}
});
}
if ( $.isFunction( found ) ) {
response = found.apply(context, passedArguments);
}
else if(found !== undefined) {
response = found;
}
if($.isArray(returnedValue)) {
returnedValue.push(response);
}
else if(returnedValue !== undefined) {
returnedValue = [returnedValue, response];
}
else if(response !== undefined) {
returnedValue = response;
}
return found;
}
};
if(methodInvoked) {
if(instance === undefined) {
module.initialize();
}
module.invoke(query);
}
else {
if(instance !== undefined) {
instance.invoke('destroy');
}
module.initialize();
}
})
;
return (returnedValue !== undefined)
? returnedValue
: this
;
};
$.fn.video.settings = {
name : 'Video',
namespace : 'video',
debug : false,
verbose : true,
performance : true,
metadata : {
id : 'id',
image : 'image',
source : 'source',
url : 'url'
},
source : false,
url : false,
id : false,
aspectRatio : (16/9),
onPlay : function(){},
onReset : function(){},
onChange : function(){},
// callbacks not coded yet (needs to use jsapi)
onPause : function() {},
onStop : function() {},
width : 'auto',
height : 'auto',
autoplay : 'auto',
color : '#442359',
hd : true,
showUI : false,
api : true,
regExp : {
youtube : /^(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/,
vimeo : /http:\/\/(www\.)?vimeo.com\/(\d+)($|\/)/
},
error : {
noVideo : 'No video specified',
method : 'The method you called is not defined'
},
className : {
active : 'active'
},
selector : {
embed : '.embed',
placeholder : '.placeholder',
playButton : '.play'
}
};
$.fn.video.settings.templates = {
video: function(image) {
var
html = ''
;
if(image) {
html += ''
+ '<i class="video play icon"></i>'
+ '<img class="placeholder" src="' + image + '">'
;
}
html += '<div class="embed"></div>';
return html;
}
};
})( jQuery, window , document );