Website/static/slides/cse562sp2015/35-Replication/assets/player/TextureManager.js

var KNStaticAssets={};KNStaticAssets["KNTransitionSwoosh_Shadow.png"]=new Image();KNStaticAssets["KNTransitionSwoosh_Shadow.png"].src=static_url("KNTransitionSwoosh_Shadow.png");KNStaticAssets["KNTransitionSlide_Black.png"]=new Image();KNStaticAssets["KNTransitionSlide_Black.png"].src=static_url("KNTransitionSlide_Black.png");var TextureManager=Class.create({initialize:function(a){this.script=null;this.showUrl=a;this.sceneCache={};this.slideCache={};this.sceneDidLoadCallbackHandler=null;this.viewScale=1;document.observe(kScriptDidDownloadEvent,(function(b){this.handleScriptDidDownloadEvent(b)}).bind(this),false)},setSceneDidLoadCallbackHandler:function(a,b){this.sceneDidLoadCallbackHandler={handler:a,sceneIndex:b}},processTextureDidLoadCallback:function(d,b){if(this.sceneDidLoadCallbackHandler==null){return}var c=this.sceneDidLoadCallbackHandler.sceneIndex;var a=this.script.slideIndexFromSceneIndexLookup[c];if(a!=b){return}if(this.isSlidePreloaded(b)){this.callSceneDidLoadCallback()}},processSlideDidLoadCallback:function(b){if(this.sceneDidLoadCallbackHandler==null){return}var c=this.sceneDidLoadCallbackHandler.sceneIndex;var a=this.script.slideIndexFromSceneIndexLookup[c];if(a!=b){return}this.callSceneDidLoadCallback()},processSceneDidLoadCallback:function(a){if(this.sceneDidLoadCallbackHandler&&a===this.sceneDidLoadCallbackHandler.sceneIndex&&this.isScenePreloaded(a)){this.callSceneDidLoadCallback()}},callSceneDidLoadCallback:function(){this.sceneDidLoadCallbackHandler.handler();this.sceneDidLoadCallbackHandler=null},loadScene:function(c,a){if(c<0||c>this.script.numScenes){return}if(a){this.setSceneDidLoadCallbackHandler(a,c)}var b=this.script.slideIndexFromSceneIndexLookup[c];if(this.delegate.loadTextureBySlideIndex){this.assetForSlide(b)}else{this.requestTexturesForSlide(b)}},preloadScenes:function(a){for(var c in a){var b=this.script.slideIndexFromSceneIndexLookup[c];if(b==null){continue}if(this.slideCache.hasOwnProperty(b)===false){this.loadScene(c)}}},isSlidePreloaded:function(b){var a=false;if(this.slideCache[b]){a=true;for(var c in this.slideCache[b].textureRequests){if(this.slideCache[b].textureRequests[c]===false){a=false;break}}}return a},isScenePreloaded:function(c){var b=this.script.slideIndexFromSceneIndexLookup[c];var a=this.isSlidePreloaded(b);return a},handleScriptDidDownloadEvent:function(a){this.script=a.memo.script;this.delegate=a.memo.delegate},assetForSlide:function(f){var d=this.slideCache[f];var c=this.script.slideList[f];var b=this.script.slides[c];var a=b.assets;if(d==null){this.slideCache[f]={};this.slideCache[f].textureAssets={};this.slideCache[f].textureRequests={};for(var g in a){var e=a[g];if(e.type==="texture"){this.slideCache[f].textureRequests[g]=false;this.requestAsset(g,e,c,f)}}}else{if(this.isSlidePreloaded(f)){this.processSlideDidLoadCallback(f)}else{for(var g in a){var e=a[g];if(this.slideCache[f].textureRequests[g]===false&&e.type==="texture"){this.requestAsset(g,e,c,f)}}}}},requestAsset:function(d,b,a,c){requestedSlideIndex=c;if(b.assetRequest.type==="slide"){if(b.assetRequest.state==="incoming"||b.assetRequest.state==="incoming-reflection"){if(b.assetRequest.slide){requestedSlideIndex=this.script.slideList.indexOf(b.assetRequest.slide);if(requestedSlideIndex===-1){if(this.script.loopSlideshow){requestedSlideIndex=0}else{requestedSlideIndex=c;b.assetRequest.state="KNTransitionSlide_Black.png"}}}else{if(c<this.script.slideList.length-1){requestedSlideIndex=c+1}else{if(this.script.loopSlideshow){requestedSlideIndex=0}else{requestedSlideIndex=c;b.assetRequest.state="KNTransitionSlide_Black.png"}}}}}if(b.assetRequest.state==="incoming"||b.assetRequest.state==="incoming-reflection"||b.assetRequest.state==="outgoing"||b.assetRequest.state==="outgoing-reflection"){this.delegate.loadTextureBySlideIndex(requestedSlideIndex,b.assetRequest,(function(e,g,f){this.slideCache[g].textureAssets[e]=f;this.slideCache[g].textureRequests[e]=true;this.processTextureDidLoadCallback(d,c)}).bind(this,d,c))}else{this.slideCache[c].textureAssets[d]=KNStaticAssets[b.assetRequest.state];this.slideCache[c].textureRequests[d]=true}},requestTexturesForSlide:function(f){var d=this.slideCache[f];var c=this.script.slideList[f];var b=this.script.slides[c];var a=b.assets;if(d==null){this.slideCache[f]={};this.slideCache[f].textureAssets={};this.slideCache[f].textureRequests={};for(var g in a){var e=a[g];if(e.type==="texture"){this.slideCache[f].textureRequests[g]=false;this.fetchTexture(g,c,f)}}}else{if(this.isSlidePreloaded(f)){this.processSlideDidLoadCallback(f)}else{for(var g in a){var e=a[g];if(this.slideCache[f].textureRequests[g]===false&&e.type==="texture"){this.fetchTexture(g,c,f)}}}}},fetchTexture:function(h,d,f){var c=this.urlForTexture(h,d);var g=c.substr(c.length-3);if(g==="png"){var b=new Image();Event.observe(b,"load",this.handleImageOnloadEvent.bind(this,h,f));b.src=c;return}if(window.location.protocol==="file:"){c=c+"p";if(window.local_svg==null||window.local_svg==undefined){window.local_svg=(function(i){this.handleFetchCompleted(null,i,true)}).bind(this)}var a=document.createElement("script");a.setAttribute("src",c);document.head.appendChild(a)}else{var e={textureId:h,slideId:d,slideIndex:f};new Ajax.Request(c,{method:"get",onSuccess:this.handleFetchCompleted.bind(this,e)})}},handleFetchCompleted:function(r,d,n){var a=this.viewScale;var t;var s;if(n){t=d.name;slideId=d.slide;s=this.script.slideList.indexOf(slideId)}else{t=r.textureId;slideId=r.slideId;s=r.slideIndex}var f=this.urlForTexture(t,slideId);var l=f.substring(0,f.lastIndexOf("/")+1);var j;var b=new DOMParser();if(n){j=b.parseFromString(d.svg,"text/xml")}else{if(browserPrefix==="ms"&&browserVersion<10){j=b.parseFromString(d.responseText,"text/xml")}else{j=d.responseXML}}var h=j.documentElement.getAttribute("viewBox").split(" ");var g=h[2];var m=h[3];var c=j.getElementsByTagName("image");for(var p=0,e=c.length;p<e;p++){var q=c[p];var o=q.getAttributeNS("http://www.w3.org/1999/xlink","href");q.setAttributeNS("http://www.w3.org/1999/xlink","href",l+o)}var k=document.importNode(j.documentElement,true);k.setAttributeNS("http://www.w3.org/2000/svg","width",g);k.setAttributeNS("http://www.w3.org/2000/svg","height",m);this.slideCache[s].textureAssets[t]=k;this.slideCache[s].textureRequests[t]=true;this.processTextureDidLoadCallback(t,s)},setViewScale:function(a){if(this.viewScale!==a){this.viewScale=a;this.sceneCache=null;this.sceneCache={}}},handleImageOnloadEvent:function(d,c,b){b=b||window.event;var a=b.target||b.srcElement;this.slideCache[c].textureAssets[d]=a;this.slideCache[c].textureRequests[d]=true;this.processTextureDidLoadCallback(d,c)},getTextureObject:function(d,c){var a;var b=this.script.slideIndexFromSceneIndexLookup[d];a=this.slideCache[b].textureAssets[c];return a},getTextureInfo:function(e,d){var c=this.script.slideIndexFromSceneIndexLookup[e];if(c==null){return null}var a=this.script.slideList[c];var b=this.script.slides[a].assets[d];return b},getTextureUrl:function(d,c){var b=this.script.slideIndexFromSceneIndexLookup[d];if(b==null){return null}var a=this.script.slideList[b];return this.urlForTexture(c,a)},getMovieUrl:function(d,c){var b=this.script.slideIndexFromSceneIndexLookup[d];if(b==null){return null}var a=this.script.slideList[b];return this.urlForMovie(c,a)},urlForAsset:function(e,c){var b="";var d=this.script.slides[c].assets[e];if(d==null){return b}var a=d.url;if((a!=null)&&(a!="")){if(a.toLowerCase().substring(0,4)==="http"){b=a}else{b=this.showUrl+(c?c+"/":"")+a}}return b},urlForMovie:function(b,a){return this.generateUrl(b,a,true)},urlForTexture:function(b,a){return this.generateUrl(b,a,false)},generateUrl:function(g,c,f){var b="";var d="";var e=this.script.slides[c].assets[g];if(e===null){return b}if(f){var a=this.script.slides[c].assets[e.movie];d=a.url}else{d=e.url}if((d!=null)&&(d!="")){if(d.toLowerCase().substring(0,4)==="http"){b=d}else{b=this.showUrl+(c?c+"/":"")+d}}return b},scenesInCache:function(){var a="";for(var b in this.sceneCache){if(a!=""){a+=", "}a+=b}return a}});