Merge remote-tracking branch 'owncloud/master' into fixing-3417-master

* owncloud/master: (1989 commits)
  [tx-robot] updated from transifex
  dont try to register background jobs if we haven't upgraded yet
  adjust test
  coding style
  coding style
  On webdav sesssions, loginname was compared to username which does not need to match necessarily
  rely only on php DateTime to parse the db datetime string
  LDAP: fix method behind save button on advancend and expert tabs, fixes at least Home Folder setinng
  Fix webroot for update page
  Update 3rdparty ref
  update 3rdparty
  toggle select all checkbox
  remove unneeded ; in comment
  LDAP: the browser shall not autofill userdn and password, usually login credentials are inserted. fixes #6283
  Add test for having utf8 filenames in the cache
  fix fallback overwriting result of getHome
  [tx-robot] updated from transifex
  fix smbclient directory listing parser
  cache the home folder of a User
  Send "SET NAMES utf8" to MySQL for PHP below 5.3.6
  ...

Conflicts:
	lib/util.php

1 files changed, 368 insertions, 441 deletions

diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 3fad3fae7d3..fdaa3aa3342 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -1,45 +1,54 @@
-var uploadingFiles = {};
 Files={
-	cancelUpload:function(filename) {
-		if(uploadingFiles[filename]) {
-			uploadingFiles[filename].abort();
-			delete uploadingFiles[filename];
-			return true;
-		}
-		return false;
-	},
-	cancelUploads:function() {
-		$.each(uploadingFiles,function(index,file) {
-			if(typeof file['abort'] === 'function') {
-				file.abort();
-				var filename = $('tr').filterAttr('data-file',index);
-				filename.hide();
-				filename.find('input[type="checkbox"]').removeAttr('checked');
-				filename.removeClass('selected');
-			} else {
-				$.each(file,function(i,f) {
-					f.abort();
-					delete file[i];
-				});
+	// file space size sync
+	_updateStorageStatistics: function() {
+		Files._updateStorageStatisticsTimeout = null;
+		var currentDir = FileList.getCurrentDirectory(),
+			state = Files.updateStorageStatistics;
+		if (state.dir){
+			if (state.dir === currentDir) {
+				return;
 			}
-			delete uploadingFiles[index];
+			// cancel previous call, as it was for another dir
+			state.call.abort();
+		}
+		state.dir = currentDir;
+		state.call = $.getJSON(OC.filePath('files','ajax','getstoragestats.php') + '?dir=' + encodeURIComponent(currentDir),function(response) {
+			state.dir = null;
+			state.call = null;
+			Files.updateMaxUploadFilesize(response);
 		});
-		procesSelection();
 	},
+	updateStorageStatistics: function(force) {
+		if (!OC.currentUser) {
+			return;
+		}
+
+		// debounce to prevent calling too often
+		if (Files._updateStorageStatisticsTimeout) {
+			clearTimeout(Files._updateStorageStatisticsTimeout);
+		}
+		if (force) {
+			Files._updateStorageStatistics();
+		}
+		else {
+			Files._updateStorageStatisticsTimeout = setTimeout(Files._updateStorageStatistics, 250);
+		}
+	},
+
 	updateMaxUploadFilesize:function(response) {
-		if(response == undefined) {
+		if (response === undefined) {
 			return;
 		}
-		if(response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
+		if (response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
 			$('#max_upload').val(response.data.uploadMaxFilesize);
 			$('#upload.button').attr('original-title', response.data.maxHumanFilesize);
 			$('#usedSpacePercent').val(response.data.usedSpacePercent);
 			Files.displayStorageWarnings();
 		}
-		if(response[0] == undefined) {
+		if (response[0] === undefined) {
 			return;
 		}
-		if(response[0].uploadMaxFilesize !== undefined) {
+		if (response[0].uploadMaxFilesize !== undefined) {
 			$('#max_upload').val(response[0].uploadMaxFilesize);
 			$('#upload.button').attr('original-title', response[0].maxHumanFilesize);
 			$('#usedSpacePercent').val(response[0].usedSpacePercent);
@@ -47,25 +56,31 @@ Files={
 		}
 
 	},
+
+	/**
+	 * Fix path name by removing double slash at the beginning, if any
+	 */
+	fixPath: function(fileName) {
+		if (fileName.substr(0, 2) == '//') {
+			return fileName.substr(1);
+		}
+		return fileName;
+	},
+
 	isFileNameValid:function (name) {
 		if (name === '.') {
-			OC.Notification.show(t('files', '\'.\' is an invalid file name.'));
-			return false;
-		}
-		if (name.length == 0) {
-			OC.Notification.show(t('files', 'File name cannot be empty.'));
-			return false;
+			throw t('files', '\'.\' is an invalid file name.');
+		} else if (name.length === 0) {
+			throw t('files', 'File name cannot be empty.');
 		}
 
 		// check for invalid characters
 		var invalid_characters = ['\\', '/', '<', '>', ':', '"', '|', '?', '*'];
 		for (var i = 0; i < invalid_characters.length; i++) {
-			if (name.indexOf(invalid_characters[i]) != -1) {
-				OC.Notification.show(t('files', "Invalid name, '\\', '/', '<', '>', ':', '\"', '|', '?' and '*' are not allowed."));
-				return false;
+			if (name.indexOf(invalid_characters[i]) !== -1) {
+				throw t('files', "Invalid name, '\\', '/', '<', '>', ':', '\"', '|', '?' and '*' are not allowed.");
 			}
 		}
-		OC.Notification.hide();
 		return true;
 	},
 	displayStorageWarnings: function() {
@@ -81,33 +96,135 @@ Files={
 		if (usedSpacePercent > 90) {
 			OC.Notification.show(t('files', 'Your storage is almost full ({usedSpacePercent}%)', {usedSpacePercent: usedSpacePercent}));
 		}
+	},
+
+	displayEncryptionWarning: function() {
+
+		if (!OC.Notification.isHidden()) {
+			return;
+		}
+
+		var encryptedFiles = $('#encryptedFiles').val();
+		var initStatus = $('#encryptionInitStatus').val();
+		if (initStatus === '0') { // enc not initialized, but should be
+			OC.Notification.show(t('files_encryption', 'Encryption App is enabled but your keys are not initialized, please log-out and log-in again'));
+			return;
+		}
+		if (initStatus === '1') { // encryption tried to init but failed
+			OC.Notification.showHtml(t('files_encryption', 'Invalid private key for Encryption App. Please update your private key password in your personal settings to recover access to your encrypted files.'));
+			return;
+		}
+		if (encryptedFiles === '1') {
+			OC.Notification.show(t('files_encryption', 'Encryption was disabled but your files are still encrypted. Please go to your personal settings to decrypt your files.'));
+			return;
+		}
+	},
+
+	setupDragAndDrop: function() {
+		var $fileList = $('#fileList');
+
+		//drag/drop of files
+		$fileList.find('tr td.filename').each(function(i,e) {
+			if ($(e).parent().data('permissions') & OC.PERMISSION_DELETE) {
+				$(e).draggable(dragOptions);
+			}
+		});
+
+		$fileList.find('tr[data-type="dir"] td.filename').each(function(i,e) {
+			if ($(e).parent().data('permissions') & OC.PERMISSION_CREATE) {
+				$(e).droppable(folderDropOptions);
+			}
+		});
+	},
+
+	lastWidth: 0,
+
+	initBreadCrumbs: function () {
+		var $controls = $('#controls');
+
+		Files.lastWidth = 0;
+		Files.breadcrumbs = [];
+
+		// initialize with some extra space
+		Files.breadcrumbsWidth = 64;
+		if ( document.getElementById("navigation") ) {
+			Files.breadcrumbsWidth += $('#navigation').get(0).offsetWidth;
+		}
+		Files.hiddenBreadcrumbs = 0;
+
+		$.each($('.crumb'), function(index, breadcrumb) {
+			Files.breadcrumbs[index] = breadcrumb;
+			Files.breadcrumbsWidth += $(breadcrumb).get(0).offsetWidth;
+		});
+
+		$.each($('#controls .actions>div'), function(index, action) {
+			Files.breadcrumbsWidth += $(action).get(0).offsetWidth;
+		});
+
+		// event handlers for breadcrumb items
+		$controls.find('.crumb a').on('click', onClickBreadcrumb);
+
+		// setup drag and drop
+		$controls.find('.crumb:not(.last)').droppable(crumbDropOptions);
+	},
+
+	resizeBreadcrumbs: function (width, firstRun) {
+		if (width !== Files.lastWidth) {
+			if ((width < Files.lastWidth || firstRun) && width < Files.breadcrumbsWidth) {
+				if (Files.hiddenBreadcrumbs === 0) {
+					Files.breadcrumbsWidth -= $(Files.breadcrumbs[1]).get(0).offsetWidth;
+					$(Files.breadcrumbs[1]).find('a').hide();
+					$(Files.breadcrumbs[1]).append('<span>...</span>');
+					Files.breadcrumbsWidth += $(Files.breadcrumbs[1]).get(0).offsetWidth;
+					Files.hiddenBreadcrumbs = 2;
+				}
+				var i = Files.hiddenBreadcrumbs;
+				while (width < Files.breadcrumbsWidth && i > 1 && i < Files.breadcrumbs.length - 1) {
+					Files.breadcrumbsWidth -= $(Files.breadcrumbs[i]).get(0).offsetWidth;
+					$(Files.breadcrumbs[i]).hide();
+					Files.hiddenBreadcrumbs = i;
+					i++;
+				}
+			} else if (width > Files.lastWidth && Files.hiddenBreadcrumbs > 0) {
+				var i = Files.hiddenBreadcrumbs;
+				while (width > Files.breadcrumbsWidth && i > 0) {
+					if (Files.hiddenBreadcrumbs === 1) {
+						Files.breadcrumbsWidth -= $(Files.breadcrumbs[1]).get(0).offsetWidth;
+						$(Files.breadcrumbs[1]).find('span').remove();
+						$(Files.breadcrumbs[1]).find('a').show();
+						Files.breadcrumbsWidth += $(Files.breadcrumbs[1]).get(0).offsetWidth;
+					} else {
+						$(Files.breadcrumbs[i]).show();
+						Files.breadcrumbsWidth += $(Files.breadcrumbs[i]).get(0).offsetWidth;
+						if (Files.breadcrumbsWidth > width) {
+							Files.breadcrumbsWidth -= $(Files.breadcrumbs[i]).get(0).offsetWidth;
+							$(Files.breadcrumbs[i]).hide();
+							break;
+						}
+					}
+					i--;
+					Files.hiddenBreadcrumbs = i;
+				}
+			}
+			Files.lastWidth = width;
+		}
 	}
 };
 $(document).ready(function() {
+	// FIXME: workaround for trashbin app
+	if (window.trashBinApp) {
+		return;
+	}
+	Files.displayEncryptionWarning();
 	Files.bindKeyboardShortcuts(document, jQuery);
-	$('#fileList tr').each(function(){
-		//little hack to set unescape filenames in attribute
-		$(this).attr('data-file',decodeURIComponent($(this).attr('data-file')));
-	});
+
+	FileList.postProcessList();
+	Files.setupDragAndDrop();
 
 	$('#file_action_panel').attr('activeAction', false);
 
-	//drag/drop of files
-	$('#fileList tr td.filename').each(function(i,e){
-		if ($(e).parent().data('permissions') & OC.PERMISSION_DELETE) {
-			$(e).draggable(dragOptions);
-		}
-	});
-	$('#fileList tr[data-type="dir"] td.filename').each(function(i,e){
-		if ($(e).parent().data('permissions') & OC.PERMISSION_CREATE){
-			$(e).droppable(folderDropOptions);
-		}
-	});
-	$('div.crumb:not(.last)').droppable(crumbDropOptions);
-	$('ul#apps>li:first-child').data('dir','');
-	if($('div.crumb').length){
-		$('ul#apps>li:first-child').droppable(crumbDropOptions);
-	}
+	// allow dropping on the "files" app icon
+	$('ul#apps li:first-child').data('dir','').droppable(crumbDropOptions);
 
 	// Triggers invisible file input
 	$('#upload a').on('click', function() {
@@ -117,7 +234,8 @@ $(document).ready(function() {
 
 	// Trigger cancelling of file upload
 	$('#uploadprogresswrapper .stop').on('click', function() {
-		Files.cancelUploads();
+		OC.Upload.cancelUploads();
+		procesSelection();
 	});
 
 	// Show trash bin
@@ -139,7 +257,7 @@ $(document).ready(function() {
 				var rows = $(this).parent().parent().parent().children('tr');
 				for (var i = start; i < end; i++) {
 					$(rows).each(function(index) {
-						if (index == i) {
+						if (index === i) {
 							var checkbox = $(this).children().children('input:checkbox');
 							$(checkbox).attr('checked', 'checked');
 							$(checkbox).parent().parent().addClass('selected');
@@ -156,23 +274,23 @@ $(document).ready(function() {
 			} else {
 				$(checkbox).attr('checked', 'checked');
 				$(checkbox).parent().parent().toggleClass('selected');
-				var selectedCount=$('td.filename input:checkbox:checked').length;
-				if (selectedCount == $('td.filename input:checkbox').length) {
+				var selectedCount = $('td.filename input:checkbox:checked').length;
+				if (selectedCount === $('td.filename input:checkbox').length) {
 					$('#select_all').attr('checked', 'checked');
 				}
 			}
 			procesSelection();
 		} else {
 			var filename=$(this).parent().parent().attr('data-file');
-			var tr=$('tr').filterAttr('data-file',filename);
+			var tr=$('tr[data-file="'+filename+'"]');
 			var renaming=tr.data('renaming');
-			if(!renaming && !FileList.isLoading(filename)){
+			if (!renaming && !FileList.isLoading(filename)) {
 				FileActions.currentFile = $(this).parent();
 				var mime=FileActions.getCurrentMimeType();
 				var type=FileActions.getCurrentType();
 				var permissions = FileActions.getCurrentPermissions();
 				var action=FileActions.getDefault(mime,type, permissions);
-				if(action){
+				if (action) {
 					event.preventDefault();
 					action(filename);
 				}
@@ -183,11 +301,11 @@ $(document).ready(function() {
 
 	// Sets the select_all checkbox behaviour :
 	$('#select_all').click(function() {
-		if($(this).attr('checked')){
+		if ($(this).attr('checked')) {
 			// Check all
 			$('td.filename input:checkbox').attr('checked', true);
 			$('td.filename input:checkbox').parent().parent().addClass('selected');
-		}else{
+		} else {
 			// Uncheck all
 			$('td.filename input:checkbox').attr('checked', false);
 			$('td.filename input:checkbox').parent().parent().removeClass('selected');
@@ -204,7 +322,7 @@ $(document).ready(function() {
 			var rows = $(this).parent().parent().parent().children('tr');
 			for (var i = start; i < end; i++) {
 				$(rows).each(function(index) {
-					if (index == i) {
+					if (index === i) {
 						var checkbox = $(this).children().children('input:checkbox');
 						$(checkbox).attr('checked', 'checked');
 						$(checkbox).parent().parent().addClass('selected');
@@ -214,10 +332,10 @@ $(document).ready(function() {
 		}
 		var selectedCount=$('td.filename input:checkbox:checked').length;
 		$(this).parent().parent().toggleClass('selected');
-		if(!$(this).attr('checked')){
+		if (!$(this).attr('checked')) {
 			$('#select_all').attr('checked',false);
-		}else{
-			if(selectedCount==$('td.filename input:checkbox').length){
+		} else {
+			if (selectedCount===$('td.filename input:checkbox').length) {
 				$('#select_all').attr('checked',true);
 			}
 		}
@@ -225,21 +343,22 @@ $(document).ready(function() {
 	});
 
 	$('.download').click('click',function(event) {
-		var files=getSelectedFiles('name');
+		var files=getSelectedFilesTrash('name');
 		var fileslist = JSON.stringify(files);
 		var dir=$('#dir').val()||'/';
 		OC.Notification.show(t('files','Your download is being prepared. This might take some time if the files are big.'));
 		// use special download URL if provided, e.g. for public shared files
-		if ( (downloadURL = document.getElementById("downloadURL")) ) {
-			window.location=downloadURL.value+"&download&files="+encodeURIComponent(fileslist);
+		var downloadURL = document.getElementById("downloadURL");
+		if ( downloadURL ) {
+			window.location = downloadURL.value+"&download&files=" + encodeURIComponent(fileslist);
 		} else {
-			window.location=OC.filePath('files', 'ajax', 'download.php') + '?'+ $.param({ dir: dir, files: fileslist });
+			window.location = OC.filePath('files', 'ajax', 'download.php') + '?'+ $.param({ dir: dir, files: fileslist });
 		}
 		return false;
 	});
 
 	$('.delete-selected').click(function(event) {
-		var files=getSelectedFiles('name');
+		var files=getSelectedFilesTrash('name');
 		event.preventDefault();
 		FileList.do_delete(files);
 		return false;
@@ -251,309 +370,57 @@ $(document).ready(function() {
 			e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
 	});
 
-	$.assocArraySize = function(obj) {
-		// http://stackoverflow.com/a/6700/11236
-		var size = 0, key;
-		for (key in obj) {
-			if (obj.hasOwnProperty(key)) size++;
-		}
-		return size;
-	};
-
-	// warn user not to leave the page while upload is in progress
-	$(window).bind('beforeunload', function(e) {
-		if ($.assocArraySize(uploadingFiles) > 0)
-			return t('files','File upload is in progress. Leaving the page now will cancel the upload.');
-	});
-
-	//add multiply file upload attribute to all browsers except konqueror (which crashes when it's used)
-	if(navigator.userAgent.search(/konqueror/i)==-1){
-		$('#file_upload_start').attr('multiple','multiple')
-	}
-
-	//if the breadcrumb is to long, start by replacing foldernames with '...' except for the current folder
-	var crumb=$('div.crumb').first();
-	while($('div.controls').height()>40 && crumb.next('div.crumb').length>0){
-		crumb.children('a').text('...');
-		crumb=crumb.next('div.crumb');
-	}
-	//if that isn't enough, start removing items from the breacrumb except for the current folder and it's parent
-	var crumb=$('div.crumb').first();
-	var next=crumb.next('div.crumb');
-	while($('div.controls').height()>40 && next.next('div.crumb').length>0){
-		crumb.remove();
-		crumb=next;
-		next=crumb.next('div.crumb');
-	}
-	//still not enough, start shorting down the current folder name
-	var crumb=$('div.crumb>a').last();
-	while($('div.controls').height()>40 && crumb.text().length>6){
-		var text=crumb.text()
-		text=text.substr(0,text.length-6)+'...';
-		crumb.text(text);
-	}
-
-	$(document).click(function(){
-		$('#new>ul').hide();
-		$('#new').removeClass('active');
-		$('#new li').each(function(i,element){
-			if($(element).children('p').length==0){
-				$(element).children('form').remove();
-				$(element).append('<p>'+$(element).data('text')+'</p>');
-			}
-		});
-	});
-	$('#new').click(function(event){
-		event.stopPropagation();
-	});
-	$('#new>a').click(function(){
-		$('#new>ul').toggle();
-		$('#new').toggleClass('active');
-	});
-	$('#new li').click(function(){
-		if($(this).children('p').length==0){
-			return;
-		}
-
-		$('#new li').each(function(i,element){
-			if($(element).children('p').length==0){
-				$(element).children('form').remove();
-				$(element).append('<p>'+$(element).data('text')+'</p>');
-			}
-		});
-
-		var type=$(this).data('type');
-		var text=$(this).children('p').text();
-		$(this).data('text',text);
-		$(this).children('p').remove();
-		var form=$('<form></form>');
-		var input=$('<input>');
-		form.append(input);
-		$(this).append(form);
-		input.focus();
-		form.submit(function(event){
-			event.stopPropagation();
-			event.preventDefault();
-			var newname=input.val();
-			if(type == 'web' && newname.length == 0) {
-				OC.Notification.show(t('files', 'URL cannot be empty.'));
-				return false;
-			} else if (type != 'web' && !Files.isFileNameValid(newname)) {
-				return false;
-			} else if( type == 'folder' && $('#dir').val() == '/' && newname == 'Shared') {
-				OC.Notification.show(t('files','Invalid folder name. Usage of \'Shared\' is reserved by Owncloud'));
-				return false;
-			}
-			if (FileList.lastAction) {
-				FileList.lastAction();
-			}
-			var name = getUniqueName(newname);
-			if (newname != name) {
-				FileList.checkName(name, newname, true);
-				var hidden = true;
-			} else {
-				var hidden = false;
-			}
-			switch(type){
-				case 'file':
-					$.post(
-						OC.filePath('files','ajax','newfile.php'),
-						{dir:$('#dir').val(),filename:name},
-						function(result){
-							if (result.status == 'success') {
-								var date=new Date();
-								FileList.addFile(name,0,date,false,hidden);
-								var tr=$('tr').filterAttr('data-file',name);
-								tr.attr('data-mime',result.data.mime);
-								tr.attr('data-id', result.data.id);
-								getMimeIcon(result.data.mime,function(path){
-									tr.find('td.filename').attr('style','background-image:url('+path+')');
-								});
-							} else {
-								OC.dialogs.alert(result.data.message, t('core', 'Error'));
-							}
-						}
-					);
-					break;
-				case 'folder':
-					$.post(
-						OC.filePath('files','ajax','newfolder.php'),
-						{dir:$('#dir').val(),foldername:name},
-						function(result){
-							if (result.status == 'success') {
-								var date=new Date();
-								FileList.addDir(name,0,date,hidden);
-								var tr=$('tr').filterAttr('data-file',name);
-								tr.attr('data-id', result.data.id);
-							} else {
-								OC.dialogs.alert(result.data.message, t('core', 'Error'));
-							}
-						}
-					);
-					break;
-				case 'web':
-					if(name.substr(0,8)!='https://' && name.substr(0,7)!='http://'){
-						name='http://'+name;
-					}
-					var localName=name;
-					if(localName.substr(localName.length-1,1)=='/'){//strip /
-						localName=localName.substr(0,localName.length-1)
-					}
-					if(localName.indexOf('/')){//use last part of url
-						localName=localName.split('/').pop();
-					}else{//or the domain
-						localName=(localName.match(/:\/\/(.[^/]+)/)[1]).replace('www.','');
-					}
-					localName = getUniqueName(localName);
-					//IE < 10 does not fire the necessary events for the progress bar.
-					if($('html.lte9').length > 0) {
-					} else {
-						$('#uploadprogressbar').progressbar({value:0});
-						$('#uploadprogressbar').fadeIn();
-					}
-
-					var eventSource=new OC.EventSource(OC.filePath('files','ajax','newfile.php'),{dir:$('#dir').val(),source:name,filename:localName});
-					eventSource.listen('progress',function(progress){
-						//IE < 10 does not fire the necessary events for the progress bar.
-						if($('html.lte9').length > 0) {
-						} else {
-							$('#uploadprogressbar').progressbar('value',progress);
-						}
-					});
-					eventSource.listen('success',function(data){
-						var mime=data.mime;
-						var size=data.size;
-						var id=data.id;
-						$('#uploadprogressbar').fadeOut();
-						var date=new Date();
-						FileList.addFile(localName,size,date,false,hidden);
-						var tr=$('tr').filterAttr('data-file',localName);
-						tr.data('mime',mime).data('id',id);
-						tr.attr('data-id', id);
-						getMimeIcon(mime,function(path){
-							tr.find('td.filename').attr('style','background-image:url('+path+')');
-						});
-					});
-					eventSource.listen('error',function(error){
-						$('#uploadprogressbar').fadeOut();
-						alert(error);
-					});
-					break;
-			}
-			var li=form.parent();
-			form.remove();
-			li.append('<p>'+li.data('text')+'</p>');
-			$('#new>a').click();
-		});
-	});
-
 	//do a background scan if needed
 	scanFiles();
 
-	var lastWidth = 0;
-	var breadcrumbs = [];
-	var breadcrumbsWidth = 0;
-	if ( document.getElementById("navigation") ) {
-		breadcrumbsWidth = $('#navigation').get(0).offsetWidth;
-	}
-	var hiddenBreadcrumbs = 0;
-
-	$.each($('.crumb'), function(index, breadcrumb) {
-		breadcrumbs[index] = breadcrumb;
-		breadcrumbsWidth += $(breadcrumb).get(0).offsetWidth;
-	});
-
-
-	$.each($('#controls .actions>div'), function(index, action) {
-		breadcrumbsWidth += $(action).get(0).offsetWidth;
-	});
-
-	function resizeBreadcrumbs(firstRun) {
-		var width = $(this).width();
-		if (width != lastWidth) {
-			if ((width < lastWidth || firstRun) && width < breadcrumbsWidth) {
-				if (hiddenBreadcrumbs == 0) {
-					breadcrumbsWidth -= $(breadcrumbs[1]).get(0).offsetWidth;
-					$(breadcrumbs[1]).find('a').hide();
-					$(breadcrumbs[1]).append('<span>...</span>');
-					breadcrumbsWidth += $(breadcrumbs[1]).get(0).offsetWidth;
-					hiddenBreadcrumbs = 2;
-				}
-				var i = hiddenBreadcrumbs;
-				while (width < breadcrumbsWidth && i > 1 && i < breadcrumbs.length - 1) {
-					breadcrumbsWidth -= $(breadcrumbs[i]).get(0).offsetWidth;
-					$(breadcrumbs[i]).hide();
-					hiddenBreadcrumbs = i;
-					i++
-				}
-			} else if (width > lastWidth && hiddenBreadcrumbs > 0) {
-				var i = hiddenBreadcrumbs;
-				while (width > breadcrumbsWidth && i > 0) {
-					if (hiddenBreadcrumbs == 1) {
-						breadcrumbsWidth -= $(breadcrumbs[1]).get(0).offsetWidth;
-						$(breadcrumbs[1]).find('span').remove();
-						$(breadcrumbs[1]).find('a').show();
-						breadcrumbsWidth += $(breadcrumbs[1]).get(0).offsetWidth;
-					} else {
-						$(breadcrumbs[i]).show();
-						breadcrumbsWidth += $(breadcrumbs[i]).get(0).offsetWidth;
-						if (breadcrumbsWidth > width) {
-							breadcrumbsWidth -= $(breadcrumbs[i]).get(0).offsetWidth;
-							$(breadcrumbs[i]).hide();
-							break;
-						}
-					}
-					i--;
-					hiddenBreadcrumbs = i;
-				}
-			}
-			lastWidth = width;
-		}
-	}
+	Files.initBreadCrumbs();
 
 	$(window).resize(function() {
-		resizeBreadcrumbs(false);
+		var width = $(this).width();
+		Files.resizeBreadcrumbs(width, false);
 	});
 
-	resizeBreadcrumbs(true);
+	var width = $(this).width();
+	Files.resizeBreadcrumbs(width, true);
 
 	// display storage warnings
 	setTimeout ( "Files.displayStorageWarnings()", 100 );
 	OC.Notification.setDefault(Files.displayStorageWarnings);
 
-	// file space size sync
-	function update_storage_statistics() {
-		$.getJSON(OC.filePath('files','ajax','getstoragestats.php'),function(response) {
-			Files.updateMaxUploadFilesize(response);
-		});
+	// only possible at the moment if user is logged in
+	if (OC.currentUser) {
+		// start on load - we ask the server every 5 minutes
+		var updateStorageStatisticsInterval = 5*60*1000;
+		var updateStorageStatisticsIntervalId = setInterval(Files.updateStorageStatistics, updateStorageStatisticsInterval);
+
+		// Use jquery-visibility to de-/re-activate file stats sync
+		if ($.support.pageVisibility) {
+			$(document).on({
+				'show.visibility': function() {
+					if (!updateStorageStatisticsIntervalId) {
+						updateStorageStatisticsIntervalId = setInterval(Files.updateStorageStatistics, updateStorageStatisticsInterval);
+					}
+				},
+				'hide.visibility': function() {
+					clearInterval(updateStorageStatisticsIntervalId);
+					updateStorageStatisticsIntervalId = 0;
+				}
+			});
+		}
 	}
 
-	// start on load - we ask the server every 5 minutes
-	var update_storage_statistics_interval = 5*60*1000;
-	var update_storage_statistics_interval_id = setInterval(update_storage_statistics, update_storage_statistics_interval);
-
-	// Use jquery-visibility to de-/re-activate file stats sync
-	if ($.support.pageVisibility) {
-		$(document).on({
-			'show.visibility': function() {
-				if (!update_storage_statistics_interval_id) {
-					update_storage_statistics_interval_id = setInterval(update_storage_statistics, update_storage_statistics_interval);
-				}
-			},
-			'hide.visibility': function() {
-				clearInterval(update_storage_statistics_interval_id);
-				update_storage_statistics_interval_id = 0;
-			}
-		});
+	//scroll to and highlight preselected file
+	if (getURLParameter('scrollto')) {
+		FileList.scrollTo(getURLParameter('scrollto'));
 	}
 });
 
-function scanFiles(force, dir, users){
+function scanFiles(force, dir, users) {
 	if (!OC.currentUser) {
 		return;
 	}
 
-	if(!dir){
+	if (!dir) {
 		dir = '';
 	}
 	force = !!force; //cast to bool
@@ -571,17 +438,18 @@ function scanFiles(force, dir, users){
 		scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force: force,dir: dir});
 	}
 	scanFiles.cancel = scannerEventSource.close.bind(scannerEventSource);
-	scannerEventSource.listen('count',function(count){
-		console.log(count + ' files scanned')
+	scannerEventSource.listen('count',function(count) {
+		console.log(count + ' files scanned');
 	});
-	scannerEventSource.listen('folder',function(path){
-		console.log('now scanning ' + path)
+	scannerEventSource.listen('folder',function(path) {
+		console.log('now scanning ' + path);
 	});
-	scannerEventSource.listen('done',function(count){
+	scannerEventSource.listen('done',function(count) {
 		scanFiles.scanning=false;
 		console.log('done after ' + count + ' files');
+		Files.updateStorageStatistics();
 	});
-	scannerEventSource.listen('user',function(user){
+	scannerEventSource.listen('user',function(user) {
 		console.log('scanning files for ' + user);
 	});
 }
@@ -590,18 +458,14 @@ scanFiles.scanning=false;
 function boolOperationFinished(data, callback) {
 	result = jQuery.parseJSON(data.responseText);
 	Files.updateMaxUploadFilesize(result);
-	if(result.status == 'success'){
+	if (result.status === 'success') {
 		callback.call();
 	} else {
 		alert(result.data.message);
 	}
 }
 
-function updateBreadcrumb(breadcrumbHtml) {
-	$('p.nav').empty().html(breadcrumbHtml);
-}
-
-var createDragShadow = function(event){
+var createDragShadow = function(event) {
 	//select dragged file
 	var isDragSelected = $(event.target).parents('tr').find('td input:first').prop('checked');
 	if (!isDragSelected) {
@@ -609,9 +473,9 @@ var createDragShadow = function(event){
 		$(event.target).parents('tr').find('td input:first').prop('checked',true);
 	}
 
-	var selectedFiles = getSelectedFiles();
+	var selectedFiles = getSelectedFilesTrash();
 
-	if (!isDragSelected && selectedFiles.length == 1) {
+	if (!isDragSelected && selectedFiles.length === 1) {
 		//revert the selection
 		$(event.target).parents('tr').find('td input:first').prop('checked',false);
 	}
@@ -628,7 +492,7 @@ var createDragShadow = function(event){
 
 	var dir=$('#dir').val();
 
-	$(selectedFiles).each(function(i,elem){
+	$(selectedFiles).each(function(i,elem) {
 		var newtr = $('<tr/>').attr('data-dir', dir).attr('data-filename', elem.name);
 		newtr.append($('<td/>').addClass('filename').text(elem.name));
 		newtr.append($('<td/>').addClass('size').text(humanFileSize(elem.size)));
@@ -636,24 +500,25 @@ var createDragShadow = function(event){
 		if (elem.type === 'dir') {
 			newtr.find('td.filename').attr('style','background-image:url('+OC.imagePath('core', 'filetypes/folder.png')+')');
 		} else {
-			getMimeIcon(elem.mime,function(path){
-				newtr.find('td.filename').attr('style','background-image:url('+path+')');
-			});
+			var path = getPathForPreview(elem.name);
+			Files.lazyLoadPreview(path, elem.mime, function(previewpath) {
+				newtr.find('td.filename').attr('style','background-image:url('+previewpath+')');
+			}, null, null, elem.etag);
 		}
 	});
 
 	return dragshadow;
-}
+};
 
 //options for file drag/drop
 var dragOptions={
 	revert: 'invalid', revertDuration: 300,
-	opacity: 0.7, zIndex: 100, appendTo: 'body', cursorAt: { left: -5, top: -5 },
+	opacity: 0.7, zIndex: 100, appendTo: 'body', cursorAt: { left: 24, top: 18 },
 	helper: createDragShadow, cursor: 'move',
 	stop: function(event, ui) {
 		$('#fileList tr td.filename').addClass('ui-draggable');
 	}
-}
+};
 // sane browsers support using the distance option
 if ( $('html.ie').length === 0) {
 	dragOptions['distance'] = 20;
@@ -666,20 +531,20 @@ var folderDropOptions={
 			return false;
 		}
 
-		var target=$.trim($(this).find('.nametext').text());
+		var target = $(this).closest('tr').data('file');
 
 		var files = ui.helper.find('tr');
-		$(files).each(function(i,row){
+		$(files).each(function(i,row) {
 			var dir = $(row).data('dir');
 			var file = $(row).data('filename');
 			$.post(OC.filePath('files', 'ajax', 'move.php'), { dir: dir, file: file, target: dir+'/'+target }, function(result) {
 				if (result) {
 					if (result.status === 'success') {
 						//recalculate folder size
-						var oldSize = $('#fileList tr').filterAttr('data-file',target).data('size');
-						var newSize = oldSize + $('#fileList tr').filterAttr('data-file',file).data('size');
-						$('#fileList tr').filterAttr('data-file',target).data('size', newSize);
-						$('#fileList tr').filterAttr('data-file',target).find('td.filesize').text(humanFileSize(newSize));
+						var oldSize = $('#fileList tr[data-file="'+target+'"]').data('size');
+						var newSize = oldSize + $('#fileList tr[data-file="'+file+'"]').data('size');
+						$('#fileList tr[data-file="'+target+'"]').data('size', newSize);
+						$('#fileList tr[data-file="'+target+'"]').find('td.filesize').text(humanFileSize(newSize));
 
 						FileList.remove(file);
 						procesSelection();
@@ -690,30 +555,30 @@ var folderDropOptions={
 						$('#notification').fadeIn();
 					}
 				} else {
-					OC.dialogs.alert(t('Error moving file'), t('core', 'Error'));
+					OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
 				}
 			});
 		});
 	},
 	tolerance: 'pointer'
-}
+};
 
 var crumbDropOptions={
 	drop: function( event, ui ) {
 		var target=$(this).data('dir');
-		var dir=$('#dir').val();
-		while(dir.substr(0,1)=='/'){//remove extra leading /'s
+		var dir = $('#dir').val();
+		while(dir.substr(0,1) === '/') {//remove extra leading /'s
 				dir=dir.substr(1);
 		}
-		dir='/'+dir;
-		if(dir.substr(-1,1)!='/'){
-			dir=dir+'/';
+		dir = '/' + dir;
+		if (dir.substr(-1,1) !== '/') {
+			dir = dir + '/';
 		}
-		if(target==dir || target+'/'==dir){
+		if (target === dir || target+'/' === dir) {
 			return;
 		}
 		var files = ui.helper.find('tr');
-		$(files).each(function(i,row){
+		$(files).each(function(i,row) {
 			var dir = $(row).data('dir');
 			var file = $(row).data('filename');
 			$.post(OC.filePath('files', 'ajax', 'move.php'), { dir: dir, file: file, target: target }, function(result) {
@@ -728,19 +593,23 @@ var crumbDropOptions={
 						$('#notification').fadeIn();
 					}
 				} else {
-					OC.dialogs.alert(t('Error moving file'), t('core', 'Error'));
+					OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
 				}
 			});
 		});
 	},
 	tolerance: 'pointer'
-}
+};
 
-function procesSelection(){
-	var selected=getSelectedFiles();
-	var selectedFiles=selected.filter(function(el){return el.type=='file'});
-	var selectedFolders=selected.filter(function(el){return el.type=='dir'});
-	if(selectedFiles.length==0 && selectedFolders.length==0) {
+function procesSelection() {
+	var selected = getSelectedFilesTrash();
+	var selectedFiles = selected.filter(function(el) {
+		return el.type==='file';
+	});
+	var selectedFolders = selected.filter(function(el) {
+		return el.type==='dir';
+	});
+	if (selectedFiles.length === 0 && selectedFolders.length === 0) {
 		$('#headerName>span.name').text(t('files','Name'));
 		$('#headerSize').text(t('files','Size'));
 		$('#modified').text(t('files','Modified'));
@@ -749,33 +618,25 @@ function procesSelection(){
 	}
 	else {
 		$('.selectedActions').show();
-		var totalSize=0;
-		for(var i=0;i<selectedFiles.length;i++){
+		var totalSize = 0;
+		for(var i=0; i<selectedFiles.length; i++) {
 			totalSize+=selectedFiles[i].size;
 		};
-		for(var i=0;i<selectedFolders.length;i++){
+		for(var i=0; i<selectedFolders.length; i++) {
 			totalSize+=selectedFolders[i].size;
 		};
 		$('#headerSize').text(humanFileSize(totalSize));
-		var selection='';
-		if(selectedFolders.length>0){
-			if(selectedFolders.length==1){
-				selection+=t('files','1 folder');
-			}else{
-				selection+=t('files','{count} folders',{count: selectedFolders.length});
-			}
-			if(selectedFiles.length>0){
-				selection+=' & ';
+		var selection = '';
+		if (selectedFolders.length > 0) {
+			selection += n('files', '%n folder', '%n folders', selectedFolders.length);
+			if (selectedFiles.length > 0) {
+				selection += ' & ';
 			}
 		}
-		if(selectedFiles.length>0){
-			if(selectedFiles.length==1){
-				selection+=t('files','1 file');
-			}else{
-				selection+=t('files','{count} files',{count: selectedFiles.length});
-			}
+		if (selectedFiles.length>0) {
+			selection += n('files', '%n file', '%n files', selectedFiles.length);
 		}
-		$('#headerName>span.name').text(selection);
+		$('#headerName span.name').text(selection);
 		$('#modified').text('');
 		$('table').addClass('multiselect');
 	}
@@ -783,46 +644,101 @@ function procesSelection(){
 
 /**
  * @brief get a list of selected files
- * @param string property (option) the property of the file requested
- * @return array
+ * @param {string} property (option) the property of the file requested
+ * @return {array}
  *
  * possible values for property: name, mime, size and type
  * if property is set, an array with that property for each file is returnd
  * if it's ommited an array of objects with all properties is returned
  */
-function getSelectedFiles(property){
+function getSelectedFilesTrash(property) {
 	var elements=$('td.filename input:checkbox:checked').parent().parent();
 	var files=[];
-	elements.each(function(i,element){
+	elements.each(function(i,element) {
 		var file={
 			name:$(element).attr('data-file'),
 			mime:$(element).data('mime'),
 			type:$(element).data('type'),
-			size:$(element).data('size')
+			size:$(element).data('size'),
+			etag:$(element).data('etag')
 		};
-		if(property){
+		if (property) {
 			files.push(file[property]);
-		}else{
+		} else {
 			files.push(file);
 		}
 	});
 	return files;
 }
 
-function getMimeIcon(mime, ready){
-	if(getMimeIcon.cache[mime]){
-		ready(getMimeIcon.cache[mime]);
-	}else{
-		$.get( OC.filePath('files','ajax','mimeicon.php'), {mime: mime}, function(path){
-			getMimeIcon.cache[mime]=path;
-			ready(getMimeIcon.cache[mime]);
+Files.getMimeIcon = function(mime, ready) {
+	if (Files.getMimeIcon.cache[mime]) {
+		ready(Files.getMimeIcon.cache[mime]);
+	} else {
+		$.get( OC.filePath('files','ajax','mimeicon.php'), {mime: mime}, function(path) {
+			Files.getMimeIcon.cache[mime]=path;
+			ready(Files.getMimeIcon.cache[mime]);
 		});
 	}
 }
-getMimeIcon.cache={};
+Files.getMimeIcon.cache={};
+
+function getPathForPreview(name) {
+	var path = $('#dir').val() + '/' + name;
+	return path;
+}
+
+Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
+	// get mime icon url
+	Files.getMimeIcon(mime, function(iconURL) {
+		var urlSpec = {};
+		var previewURL;
+		ready(iconURL); // set mimeicon URL
+
+		// now try getting a preview thumbnail URL
+		if ( ! width ) {
+			width = $('#filestable').data('preview-x');
+		}
+		if ( ! height ) {
+			height = $('#filestable').data('preview-y');
+		}
+		// note: the order of arguments must match the one
+		// from the server's template so that the browser
+		// knows it's the same file for caching
+		urlSpec.x = width;
+		urlSpec.y = height;
+		urlSpec.file = Files.fixPath(path);
+
+		if (etag){
+			// use etag as cache buster
+			urlSpec.c = etag;
+		}
+		else {
+			console.warn('Files.lazyLoadPreview(): missing etag argument');
+		}
+
+		if ( $('#publicUploadButtonMock').length ) {
+			urlSpec.t = $('#dirToken').val();
+			previewURL = OC.Router.generate('core_ajax_public_preview', urlSpec);
+		} else {
+			previewURL = OC.Router.generate('core_ajax_preview', urlSpec);
+		}
+		previewURL = previewURL.replace('(', '%28');
+		previewURL = previewURL.replace(')', '%29');
+
+		// preload image to prevent delay
+		// this will make the browser cache the image
+		var img = new Image();
+		img.onload = function(){
+			//set preview thumbnail URL
+			ready(previewURL);
+		}
+		img.src = previewURL;
+	});
+}
 
-function getUniqueName(name){
-	if($('tr').filterAttr('data-file',name).length>0){
+function getUniqueName(name) {
+	if ($('tr[data-file="'+name+'"]').exists()) {
 		var parts=name.split('.');
 		var extension = "";
 		if (parts.length > 1) {
@@ -831,9 +747,9 @@ function getUniqueName(name){
 		var base=parts.join('.');
 		numMatch=base.match(/\((\d+)\)/);
 		var num=2;
-		if(numMatch && numMatch.length>0){
+		if (numMatch && numMatch.length>0) {
 			num=parseInt(numMatch[numMatch.length-1])+1;
-			base=base.split('(')
+			base=base.split('(');
 			base.pop();
 			base=$.trim(base.join('('));
 		}
@@ -847,9 +763,20 @@ function getUniqueName(name){
 }
 
 function checkTrashStatus() {
-	$.post(OC.filePath('files_trashbin', 'ajax', 'isEmpty.php'), function(result){
+	$.post(OC.filePath('files_trashbin', 'ajax', 'isEmpty.php'), function(result) {
 		if (result.data.isEmpty === false) {
 			$("input[type=button][id=trash]").removeAttr("disabled");
 		}
 	});
-}
\ No newline at end of file
+}
+
+function onClickBreadcrumb(e) {
+	var $el = $(e.target).closest('.crumb'),
+		$targetDir = $el.data('dir');
+		isPublic = !!$('#isPublic').val();
+
+	if ($targetDir !== undefined && !isPublic) {
+		e.preventDefault();
+		FileList.changeDirectory(decodeURIComponent($targetDir));
+	}
+}