X-Git-Url: https://scm.cri.mines-paristech.fr/git/Plinn.git/blobdiff_plain/620ae31539db55f2603d84fc78fb2ee471c8f403..38be86f2f98073dafe8450220f250eccd8f5f827:/skins/fileupload.js diff --git a/skins/fileupload.js b/skins/fileupload.js index 8e09907..c202bfe 100644 --- a/skins/fileupload.js +++ b/skins/fileupload.js @@ -2,6 +2,8 @@ var DDFileUploader; (function(){ +// nombre maximun d'image chargées en local +var MAX_PREVIEW = 2; DDFileUploader = function(dropbox, uploadUrl) { this.dropbox = dropbox; @@ -11,6 +13,7 @@ DDFileUploader = function(dropbox, uploadUrl) { this.thumbnailSize = 180; this.previewQueue = []; this._previewQueueRunning = false; + this.previewsLoaded = 0; this.uploadQueue = []; this._uploadQueueRunning = false; var self = this; @@ -48,8 +51,8 @@ DDFileUploader.prototype.handleFiles = function(files) { for (i = 0; i < files.length; i++) { file = files[i]; slide = this.createSlide(file); - this.previewQueuePush(slide); - this.uploadQueuePush(slide); + this.previewQueuePush(slide); + this.uploadQueuePush(slide); } }; @@ -63,13 +66,18 @@ DDFileUploader.prototype.upload = function(slide) { var self = this; addListener(req.upload, 'progress', function(evt){self.progressHandler(evt);}); - addListener(req.upload, 'load', function(evt){self.uploadCompleteHandler(evt);}); + addListener(req, 'readystatechange', + function(evt) { + if (req.readyState === 4) { + self.uploadCompleteHandler(req); + } + }); - req.open("PUT", this.uploadUrl + '/' + file.name); + req.open("PUT", this.uploadUrl); req.setRequestHeader("Content-Type", file.type); + req.setRequestHeader("X-File-Name", file.name); addListener(reader, 'load', function(evt){ - console.info('load'); try { req.sendAsBinary(evt.target.result); } @@ -78,10 +86,21 @@ DDFileUploader.prototype.upload = function(slide) { reader.readAsBinaryString(file); }; -DDFileUploader.prototype.uploadCompleteHandler = function(evt) { +DDFileUploader.prototype.uploadCompleteHandler = function(req) { var slide = this.uploadedSlide; this.uploadedSlide.removeChild(slide.label); - this.uploadedSlide.removeChild(slide.label); + this.uploadedSlide.removeChild(slide.progressBar); + var fragment = getCopyOfNode(req.responseXML.documentElement.firstChild); + var img = fragment.getElementsByTagName('img')[0]; + img.onload = function(evt) { + // accelerate GC before replacing + slide.img.src = ''; + slide.img.parentNode.removeChild(slide.img); + slide.img = undefined; + slide.parentNode.replaceChild(fragment, slide); + }; + this.previewsLoaded--; + this.previewQueueLoadNext(); this.uploadQueueLoadNext(); }; @@ -109,9 +128,10 @@ DDFileUploader.prototype.startPreviewQueue = function() { }; DDFileUploader.prototype.previewQueueLoadNext = function() { - var slide = this.previewQueue.shift(); - if (slide) { + if (this.previewQueue.length && this.previewsLoaded < MAX_PREVIEW) { + var slide = this.previewQueue.shift(); this.previewUploadedImage(slide); + this.previewsLoaded++; } else { this._previewQueueRunning = false; @@ -164,8 +184,8 @@ DDFileUploader.prototype.createSlide = function(file) { img.width = Math.round(size * img.width / img.height); img.height = size; } - img.style.marginLeft = Math.round((self.slideSize - img.width) / 2) + 'px'; - img.style.marginTop = Math.round((self.slideSize - img.height) / 2) + 'px'; + img.style.marginLeft = Math.floor((self.slideSize - img.width) / 2) + 'px'; + img.style.marginTop = Math.floor((self.slideSize - img.height) / 2) + 'px'; img.style.opacity = 0.2; img.className = undefined; };