diff -r 4c7b33bf2795 -r f11b234497f7 src/js/modules/mediafragment.js --- a/src/js/modules/mediafragment.js Thu Apr 26 19:18:57 2012 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,121 +0,0 @@ -/* mediafragment module */ - -IriSP.MediaFragment = function(Popcorn, config, Serializer) { - IriSP.Module.call(this, Popcorn, config, Serializer); - - this.mutex = false; /* a mutex because we access the url from two different functions */ - - this._Popcorn.listen( "loadedmetadata", IriSP.wrap(this,this.advanceTime)); - this._Popcorn.listen( "pause", IriSP.wrap(this,this.updateTime)); - this._Popcorn.listen( "seeked", IriSP.wrap(this,this.updateTime)); - this._Popcorn.listen( "IriSP.PolemicTweet.click", IriSP.wrap(this,this.updateAnnotation)); - this._Popcorn.listen( "IriSP.SegmentsWidget.click", IriSP.wrap(this,this.updateAnnotation)); - - window.onhashchange = IriSP.wrap(this, this.advanceTime); -}; - -IriSP.MediaFragment.prototype = new IriSP.Module(); - -IriSP.MediaFragment.prototype.advanceTime = function() { - var url = window.location.href; - - if ( url.split( "#" )[ 1 ] != null ) { - pageoffset = url.split( "#" )[1]; - - if ( pageoffset.substring(0, 2) === "t=") { - // timecode - if ( pageoffset.substring( 2 ) != null ) { - var offsettime = pageoffset.substring( 2 ); - this._Popcorn.currentTime( parseFloat(offsettime) ); - - /* we have to trigger this signal manually because of a - bug in the jwplayer */ - this._Popcorn.trigger("seeked", parseFloat(offsettime)); - } - } else if ( pageoffset.substring(0, 3) === "id=") { - // annotation - var annotationId = pageoffset.substring( 3 ); - // there's no better way than that because - // of possible race conditions - this._serializer.sync(IriSP.wrap(this, function() { - this.lookupAnnotation.call(this, annotationId); - })); - } - } -}; - -/** handler for the seeked signal. It may have or may have not an argument. - @param time if not undefined, the time we're seeking to -*/ -IriSP.MediaFragment.prototype.updateTime = function(time) { - if (this.mutex === true) { - return; - } - - var history = window.history; - if ( !history.pushState ) { - return false; - } - - if (IriSP.null_or_undefined(time) || typeof(time) != "number") { - var ntime = this._Popcorn.currentTime().toFixed(2) - } else { - var ntime = time.toFixed(2); - } - - // used to relay the new hash to the embedder - this._Popcorn.trigger("IriSP.Mediafragment.hashchange", "#t=" + ntime); - - splitArr = window.location.href.split( "#" ) - history.replaceState( {}, "", splitArr[0] + "#t=" + ntime ); -}; - - -IriSP.MediaFragment.prototype.updateAnnotation = function(annotationId) { - var _this = this; - this.mutex = true; - - var history = window.history; - if ( !history.pushState ) { - return false; - } - - - // used to relay the new hash to the embedder - this._Popcorn.trigger("IriSP.Mediafragment.hashchange", "#id=" + annotationId); - - splitArr = window.location.href.split( "#" ) - history.replaceState( {}, "", splitArr[0] + "#id=" + annotationId); - - - // reset the mutex afterwards to prevent the module from reacting to his own changes. - window.setTimeout(function() { _this.mutex = false }, 50); -}; - -// lookup and seek to the beginning of an annotation -IriSP.MediaFragment.prototype.lookupAnnotation = function(annotationId) { - var _this = this; - this.mutex = true; - - var annotation = undefined; - var annotations = this._serializer._data.annotations; - - var i; - for (i = 0; i < annotations.length; i++) { - if (annotations[i].id === annotationId) { - annotation = annotations[i]; - break; - } - } - - if (typeof(annotation) !== "undefined") { - this._Popcorn.currentTime(annotation.begin / 1000); - - /* we have to trigger this signal manually because of a - bug in the jwplayer */ - this._Popcorn.trigger("seeked", annotation.begin / 1000); - this._Popcorn.trigger("IriSP.Mediafragment.showAnnotation", annotationId); - } - - window.setTimeout(function() { _this.mutex = false }, 50); -};