nextcloud/apps/files/js/file-upload.js

1205 lines
34 KiB
JavaScript

/*
* Copyright (c) 2014
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
/**
* The file upload code uses several hooks to interact with blueimps jQuery file upload library:
* 1. the core upload handling hooks are added when initializing the plugin,
* 2. if the browser supports progress events they are added in a separate set after the initialization
* 3. every app can add it's own triggers for fileupload
* - files adds d'n'd handlers and also reacts to done events to add new rows to the filelist
* - TODO pictures upload button
* - TODO music upload button
*/
/* global jQuery, humanFileSize, md5 */
/**
* File upload object
*
* @class OC.FileUpload
* @classdesc
*
* Represents a file upload
*
* @param {OC.Uploader} uploader uploader
* @param {Object} data blueimp data
*/
OC.FileUpload = function(uploader, data) {
this.uploader = uploader;
this.data = data;
var path = '';
if (this.uploader.fileList) {
path = OC.joinPaths(this.uploader.fileList.getCurrentDirectory(), this.getFile().name);
} else {
path = this.getFile().name;
}
this.id = 'web-file-upload-' + md5(path) + '-' + (new Date()).getTime();
};
OC.FileUpload.CONFLICT_MODE_DETECT = 0;
OC.FileUpload.CONFLICT_MODE_OVERWRITE = 1;
OC.FileUpload.CONFLICT_MODE_AUTORENAME = 2;
OC.FileUpload.prototype = {
/**
* Unique upload id
*
* @type string
*/
id: null,
/**
* Upload element
*
* @type Object
*/
$uploadEl: null,
/**
* Target folder
*
* @type string
*/
_targetFolder: '',
/**
* @type int
*/
_conflictMode: OC.FileUpload.CONFLICT_MODE_DETECT,
/**
* New name from server after autorename
*
* @type String
*/
_newName: null,
/**
* Returns the unique upload id
*
* @return string
*/
getId: function() {
return this.id;
},
/**
* Returns the file to be uploaded
*
* @return {File} file
*/
getFile: function() {
return this.data.files[0];
},
/**
* Return the final filename.
*
* @return {String} file name
*/
getFileName: function() {
// autorenamed name
if (this._newName) {
return this._newName;
}
return this.getFile().name;
},
setTargetFolder: function(targetFolder) {
this._targetFolder = targetFolder;
},
getTargetFolder: function() {
return this._targetFolder;
},
/**
* Get full path for the target file, including relative path,
* without the file name.
*
* @return {String} full path
*/
getFullPath: function() {
return OC.joinPaths(this._targetFolder, this.getFile().relativePath || '');
},
/**
* Get full path for the target file,
* including relative path and file name.
*
* @return {String} full path
*/
getFullFilePath: function() {
return OC.joinPaths(this.getFullPath(), this.getFile().name);
},
/**
* Returns conflict resolution mode.
*
* @return {int} conflict mode
*/
getConflictMode: function() {
return this._conflictMode || OC.FileUpload.CONFLICT_MODE_DETECT;
},
/**
* Set conflict resolution mode.
* See CONFLICT_MODE_* constants.
*
* @param {int} mode conflict mode
*/
setConflictMode: function(mode) {
this._conflictMode = mode;
},
deleteUpload: function() {
delete this.data.jqXHR;
},
/**
* Trigger autorename and append "(2)".
* Multiple calls will increment the appended number.
*/
autoRename: function() {
var name = this.getFile().name;
if (!this._renameAttempt) {
this._renameAttempt = 1;
}
var dotPos = name.lastIndexOf('.');
var extPart = '';
if (dotPos > 0) {
this._newName = name.substr(0, dotPos);
extPart = name.substr(dotPos);
} else {
this._newName = name;
}
// generate new name
this._renameAttempt++;
this._newName = this._newName + ' (' + this._renameAttempt + ')' + extPart;
},
/**
* Submit the upload
*/
submit: function() {
var self = this;
var data = this.data;
var file = this.getFile();
// it was a folder upload, so make sure the parent directory exists alrady
var folderPromise;
if (file.relativePath) {
folderPromise = this.uploader.ensureFolderExists(this.getFullPath());
} else {
folderPromise = $.Deferred().resolve().promise();
}
if (this.uploader.fileList) {
this.data.url = this.uploader.fileList.getUploadUrl(this.getFileName(), this.getFullPath());
}
if (!this.data.headers) {
this.data.headers = {};
}
// webdav without multipart
this.data.multipart = false;
this.data.type = 'PUT';
delete this.data.headers['If-None-Match'];
if (this._conflictMode === OC.FileUpload.CONFLICT_MODE_DETECT
|| this._conflictMode === OC.FileUpload.CONFLICT_MODE_AUTORENAME) {
this.data.headers['If-None-Match'] = '*';
}
var userName = this.uploader.davClient.getUserName();
var password = this.uploader.davClient.getPassword();
if (userName) {
// copy username/password from DAV client
this.data.headers['Authorization'] =
'Basic ' + btoa(userName + ':' + (password || ''));
}
var chunkFolderPromise;
if ($.support.blobSlice
&& this.uploader.fileUploadParam.maxChunkSize
&& this.getFile().size > this.uploader.fileUploadParam.maxChunkSize
) {
data.isChunked = true;
chunkFolderPromise = this.uploader.davClient.createDirectory(
'uploads/' + encodeURIComponent(OC.getCurrentUser().uid) + '/' + encodeURIComponent(this.getId())
);
// TODO: if fails, it means same id already existed, need to retry
} else {
chunkFolderPromise = $.Deferred().resolve().promise();
}
// wait for creation of the required directory before uploading
$.when(folderPromise, chunkFolderPromise).then(function() {
data.submit();
}, function() {
self.abort();
});
},
/**
* Process end of transfer
*/
done: function() {
if (!this.data.isChunked) {
return $.Deferred().resolve().promise();
}
var uid = OC.getCurrentUser().uid;
return this.uploader.davClient.move(
'uploads/' + encodeURIComponent(uid) + '/' + encodeURIComponent(this.getId()) + '/.file',
'files/' + encodeURIComponent(uid) + '/' + OC.joinPaths(this.getFullPath(), this.getFileName()),
true,
{
'X-OC-Mtime': this.getFile().lastModified / 1000,
'OC-Total-Length': this.getFile().size
}
);
},
_deleteChunkFolder: function() {
// delete transfer directory for this upload
this.uploader.davClient.remove(
'uploads/' + encodeURIComponent(OC.getCurrentUser().uid) + '/' + encodeURIComponent(this.getId())
);
},
/**
* Abort the upload
*/
abort: function() {
if (this.data.isChunked) {
this._deleteChunkFolder();
}
this.data.abort();
this.deleteUpload();
},
/**
* Fail the upload
*/
fail: function() {
this.deleteUpload();
if (this.data.isChunked) {
this._deleteChunkFolder();
}
},
/**
* Returns the server response
*
* @return {Object} response
*/
getResponse: function() {
var response = this.data.response();
if (response.errorThrown) {
// attempt parsing Sabre exception is available
var xml = response.jqXHR.responseXML;
if (xml.documentElement.localName === 'error' && xml.documentElement.namespaceURI === 'DAV:') {
var messages = xml.getElementsByTagNameNS('http://sabredav.org/ns', 'message');
var exceptions = xml.getElementsByTagNameNS('http://sabredav.org/ns', 'exception');
if (messages.length) {
response.message = messages[0].textContent;
}
if (exceptions.length) {
response.exception = exceptions[0].textContent;
}
return response;
}
}
if (typeof response.result !== 'string' && response.result) {
//fetch response from iframe
response = $.parseJSON(response.result[0].body.innerText);
if (!response) {
// likely due to internal server error
response = {status: 500};
}
} else {
response = response.result;
}
return response;
},
/**
* Returns the status code from the response
*
* @return {int} status code
*/
getResponseStatus: function() {
if (this.uploader.isXHRUpload()) {
var xhr = this.data.response().jqXHR;
if (xhr) {
return xhr.status;
}
return null;
}
return this.getResponse().status;
},
/**
* Returns the response header by name
*
* @param {String} headerName header name
* @return {Array|String} response header value(s)
*/
getResponseHeader: function(headerName) {
headerName = headerName.toLowerCase();
if (this.uploader.isXHRUpload()) {
return this.data.response().jqXHR.getResponseHeader(headerName);
}
var headers = this.getResponse().headers;
if (!headers) {
return null;
}
var value = _.find(headers, function(value, key) {
return key.toLowerCase() === headerName;
});
if (_.isArray(value) && value.length === 1) {
return value[0];
}
return value;
}
};
/**
* keeps track of uploads in progress and implements callbacks for the conflicts dialog
* @namespace
*/
OC.Uploader = function() {
this.init.apply(this, arguments);
};
OC.Uploader.prototype = _.extend({
/**
* @type Array<OC.FileUpload>
*/
_uploads: {},
/**
* List of directories known to exist.
*
* Key is the fullpath and value is boolean, true meaning that the directory
* was already created so no need to create it again.
*/
_knownDirs: {},
/**
* @type OCA.Files.FileList
*/
fileList: null,
/**
* @type OC.Files.Client
*/
filesClient: null,
/**
* Webdav client pointing at the root "dav" endpoint
*
* @type OC.Files.Client
*/
davClient: null,
/**
* Function that will allow us to know if Ajax uploads are supported
* @link https://github.com/New-Bamboo/example-ajax-upload/blob/master/public/index.html
* also see article @link http://blog.new-bamboo.co.uk/2012/01/10/ridiculously-simple-ajax-uploads-with-formdata
*/
_supportAjaxUploadWithProgress: function() {
if (window.TESTING) {
return true;
}
return supportFileAPI() && supportAjaxUploadProgressEvents() && supportFormData();
// Is the File API supported?
function supportFileAPI() {
var fi = document.createElement('INPUT');
fi.type = 'file';
return 'files' in fi;
}
// Are progress events supported?
function supportAjaxUploadProgressEvents() {
var xhr = new XMLHttpRequest();
return !! (xhr && ('upload' in xhr) && ('onprogress' in xhr.upload));
}
// Is FormData supported?
function supportFormData() {
return !! window.FormData;
}
},
/**
* Returns whether an XHR upload will be used
*
* @return {bool} true if XHR upload will be used,
* false for iframe upload
*/
isXHRUpload: function () {
return !this.fileUploadParam.forceIframeTransport &&
((!this.fileUploadParam.multipart && $.support.xhrFileUpload) ||
$.support.xhrFormDataFileUpload);
},
/**
* Makes sure that the upload folder and its parents exists
*
* @param {String} fullPath full path
* @return {Promise} promise that resolves when all parent folders
* were created
*/
ensureFolderExists: function(fullPath) {
if (!fullPath || fullPath === '/') {
return $.Deferred().resolve().promise();
}
// remove trailing slash
if (fullPath.charAt(fullPath.length - 1) === '/') {
fullPath = fullPath.substr(0, fullPath.length - 1);
}
var self = this;
var promise = this._knownDirs[fullPath];
if (this.fileList) {
// assume the current folder exists
this._knownDirs[this.fileList.getCurrentDirectory()] = $.Deferred().resolve().promise();
}
if (!promise) {
var deferred = new $.Deferred();
promise = deferred.promise();
this._knownDirs[fullPath] = promise;
// make sure all parents already exist
var parentPath = OC.dirname(fullPath);
var parentPromise = this._knownDirs[parentPath];
if (!parentPromise) {
parentPromise = this.ensureFolderExists(parentPath);
}
parentPromise.then(function() {
self.filesClient.createDirectory(fullPath).always(function(status) {
// 405 is expected if the folder already exists
if ((status >= 200 && status < 300) || status === 405) {
self.trigger('createdfolder', fullPath);
deferred.resolve();
return;
}
OC.Notification.show(t('files', 'Could not create folder "{dir}"', {dir: fullPath}), {type: 'error'});
deferred.reject();
});
}, function() {
deferred.reject();
});
}
return promise;
},
/**
* Submit the given uploads
*
* @param {Array} array of uploads to start
*/
submitUploads: function(uploads) {
var self = this;
_.each(uploads, function(upload) {
self._uploads[upload.data.uploadId] = upload;
upload.submit();
});
},
/**
* Show conflict for the given file object
*
* @param {OC.FileUpload} file upload object
*/
showConflict: function(fileUpload) {
//show "file already exists" dialog
var self = this;
var file = fileUpload.getFile();
// already attempted autorename but the server said the file exists ? (concurrently added)
if (fileUpload.getConflictMode() === OC.FileUpload.CONFLICT_MODE_AUTORENAME) {
// attempt another autorename, defer to let the current callback finish
_.defer(function() {
self.onAutorename(fileUpload);
});
return;
}
// retrieve more info about this file
this.filesClient.getFileInfo(fileUpload.getFullFilePath()).then(function(status, fileInfo) {
var original = fileInfo;
var replacement = file;
original.directory = original.path;
OC.dialogs.fileexists(fileUpload, original, replacement, self);
});
},
/**
* cancels all uploads
*/
cancelUploads:function() {
this.log('canceling uploads');
jQuery.each(this._uploads, function(i, upload) {
upload.abort();
});
this.clear();
},
/**
* Clear uploads
*/
clear: function() {
this._uploads = {};
this._knownDirs = {};
},
/**
* Returns an upload by id
*
* @param {int} data uploadId
* @return {OC.FileUpload} file upload
*/
getUpload: function(data) {
if (_.isString(data)) {
return this._uploads[data];
} else if (data.uploadId && this._uploads[data.uploadId]) {
this._uploads[data.uploadId].data = data;
return this._uploads[data.uploadId];
}
return null;
},
showUploadCancelMessage: _.debounce(function() {
OC.Notification.show(t('files', 'Upload cancelled.'), {timeout : 7, type: 'error'});
}, 500),
/**
* callback for the conflicts dialog
*/
onCancel:function() {
this.cancelUploads();
},
/**
* callback for the conflicts dialog
* calls onSkip, onReplace or onAutorename for each conflict
* @param {object} conflicts - list of conflict elements
*/
onContinue:function(conflicts) {
var self = this;
//iterate over all conflicts
jQuery.each(conflicts, function (i, conflict) {
conflict = $(conflict);
var keepOriginal = conflict.find('.original input[type="checkbox"]:checked').length === 1;
var keepReplacement = conflict.find('.replacement input[type="checkbox"]:checked').length === 1;
if (keepOriginal && keepReplacement) {
// when both selected -> autorename
self.onAutorename(conflict.data('data'));
} else if (keepReplacement) {
// when only replacement selected -> overwrite
self.onReplace(conflict.data('data'));
} else {
// when only original seleted -> skip
// when none selected -> skip
self.onSkip(conflict.data('data'));
}
});
},
/**
* handle skipping an upload
* @param {OC.FileUpload} upload
*/
onSkip:function(upload) {
this.log('skip', null, upload);
upload.deleteUpload();
},
/**
* handle replacing a file on the server with an uploaded file
* @param {FileUpload} data
*/
onReplace:function(upload) {
this.log('replace', null, upload);
upload.setConflictMode(OC.FileUpload.CONFLICT_MODE_OVERWRITE);
this.submitUploads([upload]);
},
/**
* handle uploading a file and letting the server decide a new name
* @param {object} upload
*/
onAutorename:function(upload) {
this.log('autorename', null, upload);
upload.setConflictMode(OC.FileUpload.CONFLICT_MODE_AUTORENAME);
do {
upload.autoRename();
// if file known to exist on the client side, retry
} while (this.fileList && this.fileList.inList(upload.getFileName()));
// resubmit upload
this.submitUploads([upload]);
},
_trace:false, //TODO implement log handler for JS per class?
log:function(caption, e, data) {
if (this._trace) {
console.log(caption);
console.log(data);
}
},
/**
* checks the list of existing files prior to uploading and shows a simple dialog to choose
* skip all, replace all or choose which files to keep
*
* @param {array} selection of files to upload
* @param {object} callbacks - object with several callback methods
* @param {function} callbacks.onNoConflicts
* @param {function} callbacks.onSkipConflicts
* @param {function} callbacks.onReplaceConflicts
* @param {function} callbacks.onChooseConflicts
* @param {function} callbacks.onCancel
*/
checkExistingFiles: function (selection, callbacks) {
var fileList = this.fileList;
var conflicts = [];
// only keep non-conflicting uploads
selection.uploads = _.filter(selection.uploads, function(upload) {
var file = upload.getFile();
if (file.relativePath) {
// can't check in subfolder contents
return true;
}
if (!fileList) {
// no list to check against
return true;
}
var fileInfo = fileList.findFile(file.name);
if (fileInfo) {
conflicts.push([
// original
_.extend(fileInfo, {
directory: fileInfo.directory || fileInfo.path || fileList.getCurrentDirectory()
}),
// replacement (File object)
upload
]);
return false;
}
return true;
});
if (conflicts.length) {
// wait for template loading
OC.dialogs.fileexists(null, null, null, this).done(function() {
_.each(conflicts, function(conflictData) {
OC.dialogs.fileexists(conflictData[1], conflictData[0], conflictData[1].getFile(), this);
});
});
}
// upload non-conflicting files
// note: when reaching the server they might still meet conflicts
// if the folder was concurrently modified, these will get added
// to the already visible dialog, if applicable
callbacks.onNoConflicts(selection);
},
_hideProgressBar: function() {
var self = this;
$('#uploadprogresswrapper .stop').fadeOut();
$('#uploadprogressbar').fadeOut(function() {
self.$uploadEl.trigger(new $.Event('resized'));
});
},
_showProgressBar: function() {
$('#uploadprogressbar').fadeIn();
this.$uploadEl.trigger(new $.Event('resized'));
},
/**
* Returns whether the given file is known to be a received shared file
*
* @param {Object} file file
* @return {bool} true if the file is a shared file
*/
_isReceivedSharedFile: function(file) {
if (!window.FileList) {
return false;
}
var $tr = window.FileList.findFileEl(file.name);
if (!$tr.length) {
return false;
}
return ($tr.attr('data-mounttype') === 'shared-root' && $tr.attr('data-mime') !== 'httpd/unix-directory');
},
/**
* Initialize the upload object
*
* @param {Object} $uploadEl upload element
* @param {Object} options
* @param {OCA.Files.FileList} [options.fileList] file list object
* @param {OC.Files.Client} [options.filesClient] files client object
* @param {Object} [options.dropZone] drop zone for drag and drop upload
*/
init: function($uploadEl, options) {
var self = this;
options = options || {};
this.fileList = options.fileList;
this.filesClient = options.filesClient || OC.Files.getClient();
this.davClient = new OC.Files.Client({
host: this.filesClient.getHost(),
root: OC.linkToRemoteBase('dav'),
useHTTPS: OC.getProtocol() === 'https',
userName: this.filesClient.getUserName(),
password: this.filesClient.getPassword()
});
$uploadEl = $($uploadEl);
this.$uploadEl = $uploadEl;
if ($uploadEl.exists()) {
$('#uploadprogresswrapper .stop').on('click', function() {
self.cancelUploads();
});
this.fileUploadParam = {
type: 'PUT',
dropZone: options.dropZone, // restrict dropZone to content div
autoUpload: false,
sequentialUploads: true,
//singleFileUploads is on by default, so the data.files array will always have length 1
/**
* on first add of every selection
* - check all files of originalFiles array with files in dir
* - on conflict show dialog
* - skip all -> remember as single skip action for all conflicting files
* - replace all -> remember as single replace action for all conflicting files
* - choose -> show choose dialog
* - mark files to keep
* - when only existing -> remember as single skip action
* - when only new -> remember as single replace action
* - when both -> remember as single autorename action
* - start uploading selection
* @param {object} e
* @param {object} data
* @returns {boolean}
*/
add: function(e, data) {
self.log('add', e, data);
var that = $(this), freeSpace;
var upload = new OC.FileUpload(self, data);
// can't link directly due to jQuery not liking cyclic deps on its ajax object
data.uploadId = upload.getId();
// we need to collect all data upload objects before
// starting the upload so we can check their existence
// and set individual conflict actions. Unfortunately,
// there is only one variable that we can use to identify
// the selection a data upload is part of, so we have to
// collect them in data.originalFiles turning
// singleFileUploads off is not an option because we want
// to gracefully handle server errors like 'already exists'
// create a container where we can store the data objects
if ( ! data.originalFiles.selection ) {
// initialize selection and remember number of files to upload
data.originalFiles.selection = {
uploads: [],
filesToUpload: data.originalFiles.length,
totalBytes: 0
};
}
// TODO: move originalFiles to a separate container, maybe inside OC.Upload
var selection = data.originalFiles.selection;
// add uploads
if ( selection.uploads.length < selection.filesToUpload ) {
// remember upload
selection.uploads.push(upload);
}
//examine file
var file = upload.getFile();
try {
// FIXME: not so elegant... need to refactor that method to return a value
Files.isFileNameValid(file.name);
}
catch (errorMessage) {
data.textStatus = 'invalidcharacters';
data.errorThrown = errorMessage;
}
if (data.targetDir) {
upload.setTargetFolder(data.targetDir);
delete data.targetDir;
}
// in case folder drag and drop is not supported file will point to a directory
// http://stackoverflow.com/a/20448357
if ( ! file.type && file.size % 4096 === 0 && file.size <= 102400) {
var dirUploadFailure = false;
try {
var reader = new FileReader();
reader.readAsBinaryString(file);
} catch (NS_ERROR_FILE_ACCESS_DENIED) {
//file is a directory
dirUploadFailure = true;
}
if (dirUploadFailure) {
data.textStatus = 'dirorzero';
data.errorThrown = t('files',
'Unable to upload {filename} as it is a directory or has 0 bytes',
{filename: file.name}
);
}
}
// only count if we're not overwriting an existing shared file
if (self._isReceivedSharedFile(file)) {
file.isReceivedShare = true;
} else {
// add size
selection.totalBytes += file.size;
}
// check free space
freeSpace = $('#free_space').val();
if (freeSpace >= 0 && selection.totalBytes > freeSpace) {
data.textStatus = 'notenoughspace';
data.errorThrown = t('files',
'Not enough free space, you are uploading {size1} but only {size2} is left', {
'size1': humanFileSize(selection.totalBytes),
'size2': humanFileSize($('#free_space').val())
});
}
// end upload for whole selection on error
if (data.errorThrown) {
// trigger fileupload fail handler
var fu = that.data('blueimp-fileupload') || that.data('fileupload');
fu._trigger('fail', e, data);
return false; //don't upload anything
}
// check existing files when all is collected
if ( selection.uploads.length >= selection.filesToUpload ) {
//remove our selection hack:
delete data.originalFiles.selection;
var callbacks = {
onNoConflicts: function (selection) {
self.submitUploads(selection.uploads);
},
onSkipConflicts: function (selection) {
//TODO mark conflicting files as toskip
},
onReplaceConflicts: function (selection) {
//TODO mark conflicting files as toreplace
},
onChooseConflicts: function (selection) {
//TODO mark conflicting files as chosen
},
onCancel: function (selection) {
$.each(selection.uploads, function(i, upload) {
upload.abort();
});
}
};
self.checkExistingFiles(selection, callbacks);
}
return true; // continue adding files
},
/**
* called after the first add, does NOT have the data param
* @param {object} e
*/
start: function(e) {
self.log('start', e, null);
//hide the tooltip otherwise it covers the progress bar
$('#upload').tooltip('hide');
},
fail: function(e, data) {
var upload = self.getUpload(data);
var status = null;
if (upload) {
status = upload.getResponseStatus();
}
self.log('fail', e, upload);
self._hideProgressBar();
if (data.textStatus === 'abort') {
self.showUploadCancelMessage();
} else if (status === 412) {
// file already exists
self.showConflict(upload);
} else if (status === 404) {
// target folder does not exist any more
OC.Notification.show(t('files', 'Target folder "{dir}" does not exist any more', {dir: upload.getFullPath()} ), {type: 'error'});
self.cancelUploads();
} else if (status === 507) {
// not enough space
OC.Notification.show(t('files', 'Not enough free space'), {type: 'error'});
self.cancelUploads();
} else {
// HTTP connection problem or other error
var message = '';
if (upload) {
var response = upload.getResponse();
message = response.message;
}
OC.Notification.show(message || data.errorThrown, {type: 'error'});
}
if (upload) {
upload.fail();
}
},
/**
* called for every successful upload
* @param {object} e
* @param {object} data
*/
done:function(e, data) {
var upload = self.getUpload(data);
var that = $(this);
self.log('done', e, upload);
var status = upload.getResponseStatus();
if (status < 200 || status >= 300) {
// trigger fail handler
var fu = that.data('blueimp-fileupload') || that.data('fileupload');
fu._trigger('fail', e, data);
return;
}
},
/**
* called after last upload
* @param {object} e
* @param {object} data
*/
stop: function(e, data) {
self.log('stop', e, data);
}
};
if (options.maxChunkSize) {
this.fileUploadParam.maxChunkSize = options.maxChunkSize;
}
// initialize jquery fileupload (blueimp)
var fileupload = this.$uploadEl.fileupload(this.fileUploadParam);
if (this._supportAjaxUploadWithProgress()) {
//remaining time
var lastUpdate, lastSize, bufferSize, buffer, bufferIndex, bufferIndex2, bufferTotal;
// add progress handlers
fileupload.on('fileuploadadd', function(e, data) {
self.log('progress handle fileuploadadd', e, data);
self.trigger('add', e, data);
});
// add progress handlers
fileupload.on('fileuploadstart', function(e, data) {
self.log('progress handle fileuploadstart', e, data);
$('#uploadprogresswrapper .stop').show();
$('#uploadprogresswrapper .label').show();
$('#uploadprogressbar').progressbar({value: 0});
$('#uploadprogressbar .ui-progressbar-value').
html('<em class="label inner"><span class="desktop">'
+ t('files', 'Uploading …')
+ '</span><span class="mobile">'
+ t('files', '…')
+ '</span></em>');
$('#uploadprogressbar').tooltip({placement: 'bottom'});
self._showProgressBar();
// initial remaining time variables
lastUpdate = new Date().getTime();
lastSize = 0;
bufferSize = 20;
buffer = [];
bufferIndex = 0;
bufferIndex2 = 0;
bufferTotal = 0;
for(var i = 0; i < bufferSize; i++){
buffer[i] = 0;
}
self.trigger('start', e, data);
});
fileupload.on('fileuploadprogress', function(e, data) {
self.log('progress handle fileuploadprogress', e, data);
//TODO progressbar in row
self.trigger('progress', e, data);
});
fileupload.on('fileuploadprogressall', function(e, data) {
self.log('progress handle fileuploadprogressall', e, data);
var progress = (data.loaded / data.total) * 100;
var thisUpdate = new Date().getTime();
var diffUpdate = (thisUpdate - lastUpdate)/1000; // eg. 2s
lastUpdate = thisUpdate;
var diffSize = data.loaded - lastSize;
lastSize = data.loaded;
diffSize = diffSize / diffUpdate; // apply timing factor, eg. 1MiB/2s = 0.5MiB/s, unit is byte per second
var remainingSeconds = ((data.total - data.loaded) / diffSize);
if(remainingSeconds >= 0) {
bufferTotal = bufferTotal - (buffer[bufferIndex]) + remainingSeconds;
buffer[bufferIndex] = remainingSeconds; //buffer to make it smoother
bufferIndex = (bufferIndex + 1) % bufferSize;
bufferIndex2++;
}
var smoothRemainingSeconds;
if (bufferIndex2 > 0 && bufferIndex2 < 20) {
smoothRemainingSeconds = bufferTotal / bufferIndex2;
} else if (bufferSize > 0) {
smoothRemainingSeconds = bufferTotal / bufferSize;
} else {
smoothRemainingSeconds = 1;
}
var h = moment.duration(smoothRemainingSeconds, "seconds").humanize();
if (!(smoothRemainingSeconds >= 0 && smoothRemainingSeconds < 14400)) {
// show "Uploading ..." for durations longer than 4 hours
h = t('files', 'Uploading …');
}
$('#uploadprogressbar .label .mobile').text(h);
$('#uploadprogressbar .label .desktop').text(h);
$('#uploadprogressbar').attr('original-title',
t('files', '{loadedSize} of {totalSize} ({bitrate})' , {
loadedSize: humanFileSize(data.loaded),
totalSize: humanFileSize(data.total),
bitrate: humanFileSize(data.bitrate / 8) + '/s'
})
);
$('#uploadprogressbar').progressbar('value', progress);
self.trigger('progressall', e, data);
});
fileupload.on('fileuploadstop', function(e, data) {
self.log('progress handle fileuploadstop', e, data);
self.clear();
self.trigger('stop', e, data);
});
fileupload.on('fileuploadfail', function(e, data) {
self.log('progress handle fileuploadfail', e, data);
//if user pressed cancel hide upload progress bar and cancel button
if (data.errorThrown === 'abort') {
self._hideProgressBar();
}
self.trigger('fail', e, data);
});
var disableDropState = function() {
$('#app-content').removeClass('file-drag');
$('.dropping-to-dir').removeClass('dropping-to-dir');
$('.dir-drop').removeClass('dir-drop');
$('.icon-filetype-folder-drag-accept').removeClass('icon-filetype-folder-drag-accept');
};
var disableClassOnFirefox = _.debounce(function() {
disableDropState();
}, 100);
fileupload.on('fileuploaddragover', function(e){
$('#app-content').addClass('file-drag');
// dropping a folder in firefox doesn't cause a drop event
// this is simulated by simply invoke disabling all classes
// once no dragover event isn't noticed anymore
if (/Firefox/i.test(navigator.userAgent)) {
disableClassOnFirefox();
}
$('#emptycontent .icon-folder').addClass('icon-filetype-folder-drag-accept');
var filerow = $(e.delegatedEvent.target).closest('tr');
if(!filerow.hasClass('dropping-to-dir')){
$('.dropping-to-dir .icon-filetype-folder-drag-accept').removeClass('icon-filetype-folder-drag-accept');
$('.dropping-to-dir').removeClass('dropping-to-dir');
$('.dir-drop').removeClass('dir-drop');
}
if(filerow.attr('data-type') === 'dir'){
$('#app-content').addClass('dir-drop');
filerow.addClass('dropping-to-dir');
filerow.find('.thumbnail').addClass('icon-filetype-folder-drag-accept');
}
});
fileupload.on('fileuploaddragleave fileuploaddrop', function (){
$('#app-content').removeClass('file-drag');
$('.dropping-to-dir').removeClass('dropping-to-dir');
$('.dir-drop').removeClass('dir-drop');
$('.icon-filetype-folder-drag-accept').removeClass('icon-filetype-folder-drag-accept');
});
fileupload.on('fileuploadchunksend', function(e, data) {
// modify the request to adjust it to our own chunking
var upload = self.getUpload(data);
var range = data.contentRange.split(' ')[1];
var chunkId = range.split('/')[0].split('-')[0];
data.url = OC.getRootPath() +
'/remote.php/dav/uploads' +
'/' + encodeURIComponent(OC.getCurrentUser().uid) +
'/' + encodeURIComponent(upload.getId()) +
'/' + encodeURIComponent(chunkId);
delete data.contentRange;
delete data.headers['Content-Range'];
});
fileupload.on('fileuploaddone', function(e, data) {
var upload = self.getUpload(data);
upload.done().then(function() {
self._hideProgressBar();
self.trigger('done', e, upload);
}).fail(function(status, response) {
var message = response.message;
self._hideProgressBar();
if (status === 507) {
// not enough space
OC.Notification.show(message || t('files', 'Not enough free space'), {type: 'error'});
self.cancelUploads();
} else if (status === 409) {
OC.Notification.show(message || t('files', 'Target folder does not exist any more'), {type: 'error'});
} else {
OC.Notification.show(message || t('files', 'Error when assembling chunks, status code {status}', {status: status}), {type: 'error'});
}
self.trigger('fail', e, data);
});
});
fileupload.on('fileuploaddrop', function(e, data) {
self.trigger('drop', e, data);
if (e.isPropagationStopped()) {
return false;
}
});
}
}
//add multiply file upload attribute to all browsers except konqueror (which crashes when it's used)
if (navigator.userAgent.search(/konqueror/i) === -1) {
this.$uploadEl.attr('multiple', 'multiple');
}
return this.fileUploadParam;
}
}, OC.Backbone.Events);