3 lines
11 KiB
JavaScript
3 lines
11 KiB
JavaScript
/*! fileStorage - v0.1.0 - 2013-03-28 */var fileStorage = fileStorage || {};
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fileStorage.core=fileStorage.core||{},fileStorage.core.dataURLToBlob=function(e){var t=";base64,";if(e.indexOf(t)==-1){var n=e.split(","),r=n[0].split(":")[1],i=n[1];return new Blob([i],{type:r})}var n=e.split(t),r=n[0].split(":")[1],i=window.atob(n[1]),s=i.length,o=new Uint8Array(s);for(var u=0;u<s;++u)o[u]=i.charCodeAt(u);return new Blob([o],{type:r})},fileStorage.core.loadFile=function(e,t,n){var r=new XMLHttpRequest;return this.succeeded=function(e){t&&t(e)},this.failed=function(e){console.log("Error:",e)},this.start=function(){var t=this;r.open("GET",e,!0),r.responseType="blob",r.onload=function(e){this.status==200&&t.succeeded(this.response)},r.onerror=function(e){t.failed(this.status)},r.send()},{start:this.start,succeeded:this.succeeded,failed:this.failed}},fileStorage.Queue=function(e,t){this._q=[],this._tasks={},this.idCount=0,this.concurrency=0,this.workers=[],this.available=[],typeof e=="string"&&(this.workerStr=e,this.addWorkers(t||1)),typeof e=="function"&&(this.workerFunction=e,this.addFakeWorkers(t||1))},fileStorage.Queue.prototype.addWorkers=function(e){var t=this.concurrency,n=t+e;for(var r=t;r<e;r++){var i=new Worker(this.workerStr);this.workers.push(i),this.available.push(r)}this.concurrency=e},fileStorage.Queue.prototype.addFakeWorkers=function(e){var t=this.concurrency,n=t+e;for(var r=t;r<e;r++){var i=new fileStorage.FakeWorker(this.workerFunction);this.workers.push(i),this.available.push(r)}this.concurrency=e},fileStorage.Queue.prototype.add=function(e,t,n){var r=this.idCount;return this._tasks[r]={msg:e,callback:t||function(){}},n?(this._q.unshift(r),this.running||this.run()):this._q.push(r),this.idCount++,r},fileStorage.Queue.prototype.addGroup=function(e,t){var n=this,r=e.length,i=function(){r--,r<=0&&t()};return e.forEach(function(e){n.add(e,i)}),this.running||this.run(),i},fileStorage.Queue.prototype.run=function(e){if(this.running)return;this.running=!0;while(this.available.length){var 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indexeddb websql ram".split(" "),t="RequestFileSystem IndexedDB openDatabase URL".split(" ");for(var n=-1,r=e.length;++n<r;){var i=e[n],s=t[n];this._supported[i]=this.testSupport(s)}},fileStorage.storage.prototype.testSupport=function(e){prefixes=["webkit","moz","o","ms"];for(var t=-1,n=prefixes.length;++t<n;)if(window[prefixes[t]+e])return!0;return e in window},fileStorage.store=fileStorage.store||{},fileStorage.store.filesystem=function(){function o(e){if(r){e(r);return}n(s,i,function(t){r=t,e(t)},v)}function u(e){}function a(e,n){t.addGroup(e,n)}function f(n,r){if(typeof e[n]!="undefined")return e[n];l(n,function(e){var i;e?(i=d(n,e),typeof r!="undefined"&&r(i)):t.add(n,function(e){l(e,function(t){e=d(n,t),typeof r!="undefined"&&r(e)})},!0)})}function l(e,t){var n,r;o(function(n){n.root.getFile(e,{},function(e){t(e)},function(){t(!1)})})}function c(e,t){var n=new fileStorage.core.loadFile(e);n.succeeded=function(e){typeof t!="undefined"&&t(e)},n.failed=v,n.start()}function 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