filereader-xhr.js 14.5 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
webshim.register('filereader-xhr', function($, webshim, window, document, undefined, featureOptions){
	"use strict";
	var mOxie, moxie, hasXDomain;
	var sel = 'input[type="file"].ws-filereader, input[type="file"].ws-capture';
	var hasFlash = swfmini.hasFlashPlayerVersion('10.3');
	var loadMoxie = function (){
		webshim.loader.loadList(['moxie']);
	};
	var _createFilePicker = function(){
		var $input, picker, $parent, onReset;
		var input = this;

		if(webshim.implement(input, 'filepicker')){

			input = this;
			$input = $(this);
			$parent = $input.parent();
			onReset = function(){
				if(!input.value){
					$input.prop('value', '');
				}
			};

			$input.attr('tabindex', '-1').on('mousedown.filereaderwaiting click.filereaderwaiting', false);
			$parent.addClass('ws-loading');
			picker = new mOxie.FileInput({
				browse_button: this,
				accept: $.prop(this, 'accept'),
				multiple: $.prop(this, 'multiple')
			});

			$input.jProp('form').on('reset', function(){
				setTimeout(onReset);
			});
			picker.onready = function(){
				$input.off('.fileraderwaiting');
				$parent.removeClass('ws-waiting');
			};

			picker.onchange = function(e){
				webshim.data(input, 'fileList', e.target.files);
				$input.trigger('change');
			};
			picker.onmouseenter = function(){
				$input.trigger('mouseover');
				$parent.addClass('ws-mouseenter');
			};
			picker.onmouseleave = function(){
				$input.trigger('mouseout');
				$parent.removeClass('ws-mouseenter');
			};
			picker.onmousedown = function(){
				$input.trigger('mousedown');
				$parent.addClass('ws-active');
			};
			picker.onmouseup = function(){
				$input.trigger('mouseup');
				$parent.removeClass('ws-active');
			};

			webshim.data(input, 'filePicker', picker);

			webshim.ready('WINDOWLOAD', function(){
				var lastWidth;
				$input.onWSOff('updateshadowdom', function(){
					var curWitdth = input.offsetWidth;
					if(curWitdth && lastWidth != curWitdth){
						lastWidth = curWitdth;
						picker.refresh();
					}
				});
			});

			webshim.addShadowDom();

			picker.init();
			if(input.disabled){
				picker.disable(true);
			}
		}
	};
	var getFileNames = function(file){
		return file.name;
	};
	var createFilePicker = function(){
		var elem = this;
		loadMoxie();
		$(elem)
			.on('mousedown.filereaderwaiting click.filereaderwaiting', false)
			.parent()
			.addClass('ws-loading')
		;
		webshim.ready('moxie', function(){
			createFilePicker.call(elem);
		});
	};
	var noxhr = /^(?:script|jsonp)$/i;
	var notReadyYet = function(){
		loadMoxie();
		webshim.error('filereader/formdata not ready yet. please wait for moxie to load `webshim.ready("moxie", callbackFn);`` or wait for the first change event on input[type="file"].ws-filereader.')
	};
	var inputValueDesc = webshim.defineNodeNameProperty('input', 'value', {
			prop: {
				get: function(){
					var fileList = webshim.data(this, 'fileList');

					if(fileList && fileList.map){
						return fileList.map(getFileNames).join(', ');
					}

					return inputValueDesc.prop._supget.call(this);
				}
			}
		}
	);
	var shimMoxiePath = webshim.cfg.basePath+'moxie/';
	var crossXMLMessage = 'You nedd a crossdomain.xml to get all "filereader" / "XHR2" / "CORS" features to work. Or host moxie.swf on your server an configure filereader options: "swfpath"';
	var testMoxie = function(options){
		return (options.wsType == 'moxie' || (options.data && options.data instanceof mOxie.FormData) || (options.crossDomain && $.support.cors !== false && hasXDomain != 'no' && !noxhr.test(options.dataType || '')));
	};
	var createMoxieTransport = function (options){

		if(testMoxie(options)){
			var ajax;
			webshim.info('moxie transfer used for $.ajax');
			if(hasXDomain == 'no'){
				webshim.error(crossXMLMessage);
			}
			return {
				send: function( headers, completeCallback ) {

					var proressEvent = function(obj, name){
						if(options[name]){
							var called = false;
							ajax.addEventListener('load', function(e){
								if(!called){
									options[name]({type: 'progress', lengthComputable: true, total: 1, loaded: 1});
								} else if(called.lengthComputable && called.total > called.loaded){
									options[name]({type: 'progress', lengthComputable: true, total: called.total, loaded: called.total});
								}
							});
							obj.addEventListener('progress', function(e){
								called = e;
								options[name](e);
							});
						}
					};
					ajax = new moxie.xhr.XMLHttpRequest();

					ajax.open(options.type, options.url, options.async, options.username, options.password);

					proressEvent(ajax.upload, featureOptions.uploadprogress);
					proressEvent(ajax.upload, featureOptions.progress);

					ajax.addEventListener('load', function(e){
						var responses = {
							text: ajax.responseText,
							xml: ajax.responseXML
						};
						completeCallback(ajax.status, ajax.statusText, responses, ajax.getAllResponseHeaders());
					});

					if(options.xhrFields && options.xhrFields.withCredentials){
						ajax.withCredentials = true;
					}

					if(options.timeout){
						ajax.timeout = options.timeout;
					}

					$.each(headers, function(name, value){
						ajax.setRequestHeader(name, value);
					});


					ajax.send(options.data);

				},
				abort: function() {
					if(ajax){
						ajax.abort();
					}
				}
			};
		}
	};
	var transports = {
		//based on script: https://github.com/MoonScript/jQuery-ajaxTransport-XDomainRequest
		xdomain: (function(){
			var httpRegEx = /^https?:\/\//i;
			var getOrPostRegEx = /^get|post$/i;
			var sameSchemeRegEx = new RegExp('^'+location.protocol, 'i');
			return function(options, userOptions, jqXHR) {

				// Only continue if the request is: asynchronous, uses GET or POST method, has HTTP or HTTPS protocol, and has the same scheme as the calling page
				if (!options.crossDomain || options.username || (options.xhrFields && options.xhrFields.withCredentials) || !options.async || !getOrPostRegEx.test(options.type) || !httpRegEx.test(options.url) || !sameSchemeRegEx.test(options.url) || (options.data && options.data instanceof mOxie.FormData) || noxhr.test(options.dataType || '')) {
					return;
				}

				var xdr = null;
				webshim.info('xdomain transport used.');

				return {
					send: function(headers, complete) {
						var postData = '';
						var userType = (userOptions.dataType || '').toLowerCase();

						xdr = new XDomainRequest();
						if (/^\d+$/.test(userOptions.timeout)) {
							xdr.timeout = userOptions.timeout;
						}

						xdr.ontimeout = function() {
							complete(500, 'timeout');
						};

						xdr.onload = function() {
							var allResponseHeaders = 'Content-Length: ' + xdr.responseText.length + '\r\nContent-Type: ' + xdr.contentType;
							var status = {
								code: xdr.status || 200,
								message: xdr.statusText || 'OK'
							};
							var responses = {
								text: xdr.responseText,
								xml: xdr.responseXML
							};
							try {
								if (userType === 'html' || /text\/html/i.test(xdr.contentType)) {
									responses.html = xdr.responseText;
								} else if (userType === 'json' || (userType !== 'text' && /\/json/i.test(xdr.contentType))) {
									try {
										responses.json = $.parseJSON(xdr.responseText);
									} catch(e) {

									}
								} else if (userType === 'xml' && !xdr.responseXML) {
									var doc;
									try {
										doc = new ActiveXObject('Microsoft.XMLDOM');
										doc.async = false;
										doc.loadXML(xdr.responseText);
									} catch(e) {

									}

									responses.xml = doc;
								}
							} catch(parseMessage) {}
							complete(status.code, status.message, responses, allResponseHeaders);
						};

						// set an empty handler for 'onprogress' so requests don't get aborted
						xdr.onprogress = function(){};
						xdr.onerror = function() {
							complete(500, 'error', {
								text: xdr.responseText
							});
						};

						if (userOptions.data) {
							postData = ($.type(userOptions.data) === 'string') ? userOptions.data : $.param(userOptions.data);
						}
						xdr.open(options.type, options.url);
						xdr.send(postData);
					},
					abort: function() {
						if (xdr) {
							xdr.abort();
						}
					}
				};
			};
		})(),
		moxie: function (options, originalOptions, jqXHR){
			if(testMoxie(options)){
				loadMoxie(options);
				var ajax;

				var tmpTransport = {
					send: function( headers, completeCallback ) {
						ajax = true;
						webshim.ready('moxie', function(){
							if(ajax){
								ajax = createMoxieTransport(options, originalOptions, jqXHR);
								tmpTransport.send = ajax.send;
								tmpTransport.abort = ajax.abort;
								ajax.send(headers, completeCallback);
							}
						});
					},
					abort: function() {
						ajax = false;
					}
				};
				return tmpTransport;
			}
		}
	};

	webshim.loader.addModule('moxie', {
		src: 'moxie/js/moxie-'+ (hasFlash ? 'swf' : 'html4')
	});

	if(!featureOptions.progress){
		featureOptions.progress = 'onprogress';
	}

	if(!featureOptions.uploadprogress){
		featureOptions.uploadprogress = 'onuploadprogress';
	}

	if(!featureOptions.swfpath){
		featureOptions.swfpath = shimMoxiePath+'flash/Moxie.min.swf';
	}

	if($.support.cors !== false || !window.XDomainRequest){
		delete transports.xdomain;
	}


	$.ajaxTransport("+*", function( options, originalOptions, jqXHR ) {
		var ajax, type;

		if(options.wsType || transports[transports]){
			ajax = transports[transports](options, originalOptions, jqXHR);
		}
		if(!ajax){
			for(type in transports){
				ajax = transports[type](options, originalOptions, jqXHR);
				if(ajax){break;}
			}
		}
		return ajax;
	});

	webshim.defineNodeNameProperty('input', 'files', {
			prop: {
				writeable: false,
				get: function(){
					if(this.type != 'file'){return null;}
					if(!$(this).is('.ws-filereader, .ws-capture')){
						webshim.info("please add the 'ws-filereader'/'ws-capture' class to your input[type='file'] to implement files-property");
					}
					return webshim.data(this, 'fileList') || [];
				}
			}
		}
	);

	webshim.reflectProperties(['input'], ['accept']);

	if($('<input />').prop('multiple') == null){
		webshim.defineNodeNamesBooleanProperty(['input'], ['multiple']);
	}

	webshim.onNodeNamesPropertyModify('input', 'disabled', function(value, boolVal, type){
		var picker = webshim.data(this, 'filePicker');
		if(picker){
			picker.disable(boolVal);
		}
	});

	webshim.onNodeNamesPropertyModify('input', 'value', function(value, boolVal, type){
		if(value === '' && this.type == 'file' && $(this).is('.ws-filereader, .ws-capture')){
			webshim.data(this, 'fileList', []);
		}
	});

	if(!document.createElement('canvas').toBlob){

		webshim.defineNodeNameProperty('canvas', 'toBlob', {
			prop: {
				value: function(cb, type, qualitiy){
					var dataURL;
					var $canvas = $(this);
					if(!type){
						type = 'image/jpeg';
					}
					if(type == 'image/jpeg' && !qualitiy){
						qualitiy = 0.8;
					}
					loadMoxie();
					webshim.ready('moxie', function(){
						var img = new mOxie.Image();
						dataURL = $canvas.callProp('getAsDataURL', [type, qualitiy]);
						img.onload = function() {
							var blob = img.getAsBlob();
							webshim.defineProperty(blob, '_wsDataURL', {
								value: dataURL,
								enumerable: false
							});
							cb(blob);
						};
						img.load(dataURL);
					});
				}
			}
		});

		webshim.ready('url', function(){
			var _nativeCreateObjectURL = URL.createObjectURL;
			var _nativeRevokeObjectURL = URL.revokeObjectURL;

			URL.createObjectURL = function(obj){
				var url = obj;
				if(obj._wsimgDataURL) {
					url = obj._wsimgDataURL;
				} else if(_nativeCreateObjectURL){
					return _nativeCreateObjectURL.apply(this, arguments);
				}
				return url;
			};

			URL.revokeObjectURL = function(url){
				if (_nativeRevokeObjectURL){
					return _nativeRevokeObjectURL.apply(this, arguments);
				}
			};
		});
	}

	window.FileReader = notReadyYet;
	window.FormData = notReadyYet;
	webshim.ready('moxie', function(){
		var wsMimes = 'application/xml,xml';
		moxie = window.moxie;
		mOxie = window.mOxie;

		mOxie.Env.swf_url = featureOptions.swfpath;

		window.FileReader = mOxie.FileReader;

		window.FormData = function(form){
			var appendData, i, len, files, fileI, fileLen, inputName;
			var moxieData = new mOxie.FormData();
			if(form && $.nodeName(form, 'form')){
				appendData = $(form).serializeArray();
				for(i = 0; i < appendData.length; i++){
					if(Array.isArray(appendData[i].value)){
						appendData[i].value.forEach(function(val){
							moxieData.append(appendData[i].name, val);
						});
					} else {
						moxieData.append(appendData[i].name, appendData[i].value);
					}
				}

				appendData = form.querySelectorAll('input[type="file"][name]');

				for(i = 0, len = appendData.length; i < appendData.length; i++){
					inputName = appendData[i].name;
					if(inputName && !$(appendData[i]).is(':disabled')){
						files = $.prop(appendData[i], 'files') || [];
						if(files.length){
							if(files.length > 1 || (moxieData.hasBlob && moxieData.hasBlob())){
								webshim.error('FormData shim can only handle one file per ajax. Use multiple ajax request. One per file.');
							}
							for(fileI = 0, fileLen = files.length; fileI < fileLen; fileI++){
								moxieData.append(inputName, files[fileI]);
							}
						}
					}
				}
			}

			return moxieData;
		};

		createFilePicker = _createFilePicker;
		transports.moxie = createMoxieTransport;

		featureOptions.mimeTypes = (featureOptions.mimeTypes) ? wsMimes+','+featureOptions.mimeTypes : wsMimes;
		try {
			mOxie.Mime.addMimeType(featureOptions.mimeTypes);
		} catch(e){
			webshim.warn('mimetype to moxie error: '+e);
		}

	});

	webshim.addReady(function(context, contextElem){
		$(context.querySelectorAll(sel)).add(contextElem.filter(sel)).each(createFilePicker);
	});
	webshim.ready('WINDOWLOAD', loadMoxie);

	if(webshim.cfg.debug !== false && featureOptions.swfpath.indexOf((location.protocol+'//'+location.hostname)) && featureOptions.swfpath.indexOf(('https://'+location.hostname))){
		webshim.ready('WINDOWLOAD', function(){

			var printMessage = function(){
				if(hasXDomain == 'no'){
					webshim.error(crossXMLMessage);
				}
			};

			try {
				hasXDomain = sessionStorage.getItem('wsXdomain.xml');
			} catch(e){}
			printMessage();
			if(hasXDomain == null){
				try {
					$.ajax({
						url: 'crossdomain.xml',
						type: 'HEAD',
						dataType: 'xml',
						success: function(){
							hasXDomain = 'yes';
						},
						error: function(){
							hasXDomain = 'no';
						},
						complete: function(){
							try {
								sessionStorage.setItem('wsXdomain.xml', hasXDomain);
							} catch(e){}
							printMessage();
						}
					});
				} catch(e){}
			}
		});
	}
	if(document.readyState == 'complete'){
		webshims.isReady('WINDOWLOAD', true);
	}
});