1 files changed, 105 insertions, 439 deletions

diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index f4546120702..6d167851e64 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -8,8 +8,8 @@
  *
  */
 
-/* global OC, t, n, FileList, FileActions */
-/* global getURLParameter, isPublic */
+/* global OC, t, FileList */
+/* global getURLParameter */
 var Files = {
 	// file space size sync
 	_updateStorageStatistics: function() {
@@ -89,16 +89,17 @@ var Files = {
 	 */
 	isFileNameValid: function (name) {
 		var trimmedName = name.trim();
-		if (trimmedName === '.' || trimmedName === '..') {
+		if (trimmedName === '.'	|| trimmedName === '..')
+		{
 			throw t('files', '"{name}" is an invalid file name.', {name: name});
 		} else if (trimmedName.length === 0) {
 			throw t('files', 'File name cannot be empty.');
 		}
 		// check for invalid characters
-		var invalid_characters =
+		var invalidCharacters =
 			['\\', '/', '<', '>', ':', '"', '|', '?', '*', '\n'];
-		for (var i = 0; i < invalid_characters.length; i++) {
-			if (trimmedName.indexOf(invalid_characters[i]) !== -1) {
+		for (var i = 0; i < invalidCharacters.length; i++) {
+			if (trimmedName.indexOf(invalidCharacters[i]) !== -1) {
 				throw t('files', "Invalid name, '\\', '/', '<', '>', ':', '\"', '|', '?' and '*' are not allowed.");
 			}
 		}
@@ -115,7 +116,8 @@ var Files = {
 			return;
 		}
 		if (usedSpacePercent > 90) {
-			OC.Notification.show(t('files', 'Your storage is almost full ({usedSpacePercent}%)', {usedSpacePercent: usedSpacePercent}));
+			OC.Notification.show(t('files', 'Your storage is almost full ({usedSpacePercent}%)',
+				{usedSpacePercent: usedSpacePercent}));
 		}
 	},
 
@@ -128,19 +130,20 @@ var Files = {
 		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'));
+			OC.Notification.show(t('files', '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.'));
+			OC.Notification.show(t('files', '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.'));
+			OC.Notification.show(t('files', 'Encryption was disabled but your files are still encrypted. Please go to your personal settings to decrypt your files.'));
 			return;
 		}
 	},
 
+	// TODO: move to FileList class
 	setupDragAndDrop: function() {
 		var $fileList = $('#fileList');
 
@@ -158,77 +161,33 @@ var Files = {
 		});
 	},
 
-	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 += $('#navigation').get(0).offsetWidth;
+	/**
+	 * Returns the download URL of the given file(s)
+	 * @param filename string or array of file names to download
+	 * @param dir optional directory in which the file name is, defaults to the current directory
+	 */
+	getDownloadUrl: function(filename, dir) {
+		if ($.isArray(filename)) {
+			filename = JSON.stringify(filename);
 		}
-		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);
+		var params = {
+			dir: dir || FileList.getCurrentDirectory(),
+			files: filename
+		};
+		return this.getAjaxUrl('download', params);
 	},
 
-	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;
+	/**
+	 * Returns the ajax URL for a given action
+	 * @param action action string
+	 * @param params optional params map
+	 */
+	getAjaxUrl: function(action, params) {
+		var q = '';
+		if (params) {
+			q = '?' + OC.buildQueryString(params);
 		}
+		return OC.filePath('files', 'ajax', action + '.php') + q;
 	}
 };
 $(document).ready(function() {
@@ -239,14 +198,10 @@ $(document).ready(function() {
 	Files.displayEncryptionWarning();
 	Files.bindKeyboardShortcuts(document, jQuery);
 
-	FileList.postProcessList();
 	Files.setupDragAndDrop();
 
 	$('#file_action_panel').attr('activeAction', false);
 
-	// 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() {
 		$(this).parent().children('#file_upload_start').trigger('click');
@@ -256,7 +211,7 @@ $(document).ready(function() {
 	// Trigger cancelling of file upload
 	$('#uploadprogresswrapper .stop').on('click', function() {
 		OC.Upload.cancelUploads();
-		procesSelection();
+		FileList.updateSelectionSummary();
 	});
 
 	// Show trash bin
@@ -264,149 +219,15 @@ $(document).ready(function() {
 		window.location=OC.filePath('files_trashbin', '', 'index.php');
 	});
 
-	var lastChecked;
-
-	// Sets the file link behaviour :
-	$('#fileList').on('click','td.filename a',function(event) {
-		if (event.ctrlKey || event.shiftKey) {
-			event.preventDefault();
-			if (event.shiftKey) {
-				var last = $(lastChecked).parent().parent().prevAll().length;
-				var first = $(this).parent().parent().prevAll().length;
-				var start = Math.min(first, last);
-				var end = Math.max(first, last);
-				var rows = $(this).parent().parent().parent().children('tr');
-				for (var i = start; i < end; i++) {
-					$(rows).each(function(index) {
-						if (index === i) {
-							var checkbox = $(this).children().children('input:checkbox');
-							$(checkbox).attr('checked', 'checked');
-							$(checkbox).parent().parent().addClass('selected');
-						}
-					});
-				}
-			}
-			var checkbox = $(this).parent().children('input:checkbox');
-			lastChecked = checkbox;
-			if ($(checkbox).attr('checked')) {
-				$(checkbox).removeAttr('checked');
-				$(checkbox).parent().parent().removeClass('selected');
-				$('#select_all').removeAttr('checked');
-			} 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) {
-					$('#select_all').attr('checked', 'checked');
-				}
-			}
-			procesSelection();
-		} else {
-			var filename=$(this).parent().parent().attr('data-file');
-			var tr = FileList.findFileEl(filename);
-			var renaming=tr.data('renaming');
-			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) {
-					event.preventDefault();
-					action(filename);
-				}
-			}
-		}
-
-	});
-
-	// Sets the select_all checkbox behaviour :
-	$('#select_all').click(function() {
-		if ($(this).attr('checked')) {
-			// Check all
-			$('td.filename input:checkbox').attr('checked', true);
-			$('td.filename input:checkbox').parent().parent().addClass('selected');
-		} else {
-			// Uncheck all
-			$('td.filename input:checkbox').attr('checked', false);
-			$('td.filename input:checkbox').parent().parent().removeClass('selected');
-		}
-		procesSelection();
-	});
-
-	$('#fileList').on('change', 'td.filename input:checkbox',function(event) {
-		if (event.shiftKey) {
-			var last = $(lastChecked).parent().parent().prevAll().length;
-			var first = $(this).parent().parent().prevAll().length;
-			var start = Math.min(first, last);
-			var end = Math.max(first, last);
-			var rows = $(this).parent().parent().parent().children('tr');
-			for (var i = start; i < end; i++) {
-				$(rows).each(function(index) {
-					if (index === i) {
-						var checkbox = $(this).children().children('input:checkbox');
-						$(checkbox).attr('checked', 'checked');
-						$(checkbox).parent().parent().addClass('selected');
-					}
-				});
-			}
-		}
-		var selectedCount=$('td.filename input:checkbox:checked').length;
-		$(this).parent().parent().toggleClass('selected');
-		if (!$(this).attr('checked')) {
-			$('#select_all').attr('checked',false);
-		} else {
-			if (selectedCount===$('td.filename input:checkbox').length) {
-				$('#select_all').attr('checked',true);
-			}
-		}
-		procesSelection();
-	});
-
-	$('.download').click('click',function(event) {
-		var files;
-		var dir = FileList.getCurrentDirectory();
-		if (FileList.isAllSelected()) {
-			files = OC.basename(dir);
-			dir = OC.dirname(dir) || '/';
-		}
-		else {
-			files = getSelectedFilesTrash('name');
-		}
-		OC.Notification.show(t('files','Your download is being prepared. This might take some time if the files are big.'));
-		OC.redirect(FileList.getDownloadUrl(files, dir));
-		return false;
-	});
-
-	$('.delete-selected').click(function(event) {
-		var files=getSelectedFilesTrash('name');
-		event.preventDefault();
-		if (FileList.isAllSelected()) {
-			files = null;
-		}
-		FileList.do_delete(files);
-		return false;
-	});
-
 	// drag&drop support using jquery.fileupload
 	// TODO use OC.dialogs
 	$(document).bind('drop dragover', function (e) {
 			e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
-	});
+		});
 
 	//do a background scan if needed
 	scanFiles();
 
-	Files.initBreadCrumbs();
-
-	$(window).resize(function() {
-		var width = $(this).width();
-		Files.resizeBreadcrumbs(width, false);
-	});
-
-	var width = $(this).width();
-	Files.resizeBreadcrumbs(width, true);
-
 	// display storage warnings
 	setTimeout(Files.displayStorageWarnings, 100);
 	OC.Notification.setDefault(Files.displayStorageWarnings);
@@ -479,34 +300,22 @@ function scanFiles(force, dir, users) {
 }
 scanFiles.scanning=false;
 
-function boolOperationFinished(data, callback) {
-	result = jQuery.parseJSON(data.responseText);
-	Files.updateMaxUploadFilesize(result);
-	if (result.status === 'success') {
-		callback.call();
-	} else {
-		alert(result.data.message);
-	}
-}
-
+// TODO: move to FileList
 var createDragShadow = function(event) {
 	//select dragged file
 	var isDragSelected = $(event.target).parents('tr').find('td input:first').prop('checked');
 	if (!isDragSelected) {
 		//select dragged file
-		$(event.target).parents('tr').find('td input:first').prop('checked',true);
+		FileList._selectFileEl($(event.target).parents('tr:first'), true);
 	}
 
-	var selectedFiles = getSelectedFilesTrash();
+	// do not show drag shadow for too many files
+	var selectedFiles = _.first(FileList.getSelectedFiles(), FileList.pageSize);
+	selectedFiles.sort(FileList._fileInfoCompare);
 
 	if (!isDragSelected && selectedFiles.length === 1) {
 		//revert the selection
-		$(event.target).parents('tr').find('td input:first').prop('checked',false);
-	}
-
-	//also update class when we dragged more than one file
-	if (selectedFiles.length > 1) {
-		$(event.target).parents('tr').addClass('selected');
+		FileList._selectFileEl($(event.target).parents('tr:first'), false);
 	}
 
 	// build dragshadow
@@ -517,9 +326,12 @@ var createDragShadow = function(event) {
 	var dir=$('#dir').val();
 
 	$(selectedFiles).each(function(i,elem) {
-		var newtr = $('<tr/>').attr('data-dir', dir).attr('data-filename', elem.name).attr('data-origin', elem.origin);
+		var newtr = $('<tr/>')
+			.attr('data-dir', dir)
+			.attr('data-file', elem.name)
+			.attr('data-origin', elem.origin);
 		newtr.append($('<td/>').addClass('filename').text(elem.name));
-		newtr.append($('<td/>').addClass('size').text(humanFileSize(elem.size)));
+		newtr.append($('<td/>').addClass('size').text(OC.Util.humanFileSize(elem.size)));
 		tbody.append(newtr);
 		if (elem.type === 'dir') {
 			newtr.find('td.filename').attr('style','background-image:url('+OC.imagePath('core', 'filetypes/folder.png')+')');
@@ -536,205 +348,64 @@ var createDragShadow = function(event) {
 
 //options for file drag/drop
 //start&stop handlers needs some cleaning up
+// TODO: move to FileList class
 var dragOptions={
 	revert: 'invalid', revertDuration: 300,
 	opacity: 0.7, zIndex: 100, appendTo: 'body', cursorAt: { left: 24, top: 18 },
 	helper: createDragShadow, cursor: 'move',
-		start: function(event, ui){
-			var $selectedFiles = $('td.filename input:checkbox:checked');
-			if($selectedFiles.length > 1){
-				$selectedFiles.parents('tr').fadeTo(250, 0.2);
-			}
-			else{
-				$(this).fadeTo(250, 0.2);
-			}
-		},
-		stop: function(event, ui) {
-			var $selectedFiles = $('td.filename input:checkbox:checked');
-			if($selectedFiles.length > 1){
-				$selectedFiles.parents('tr').fadeTo(250, 1);
-			}
-			else{
-				$(this).fadeTo(250, 1);
-			}
-			$('#fileList tr td.filename').addClass('ui-draggable');
+	start: function(event, ui){
+		var $selectedFiles = $('td.filename input:checkbox:checked');
+		if($selectedFiles.length > 1){
+			$selectedFiles.parents('tr').fadeTo(250, 0.2);
 		}
+		else{
+			$(this).fadeTo(250, 0.2);
+		}
+	},
+	stop: function(event, ui) {
+		var $selectedFiles = $('td.filename input:checkbox:checked');
+		if($selectedFiles.length > 1){
+			$selectedFiles.parents('tr').fadeTo(250, 1);
+		}
+		else{
+			$(this).fadeTo(250, 1);
+		}
+		$('#fileList tr td.filename').addClass('ui-draggable');
+	}
 };
 // sane browsers support using the distance option
 if ( $('html.ie').length === 0) {
 	dragOptions['distance'] = 20;
 }
 
-var folderDropOptions={
+// TODO: move to FileList class
+var folderDropOptions = {
 	hoverClass: "canDrop",
 	drop: function( event, ui ) {
-		//don't allow moving a file into a selected folder
+		// don't allow moving a file into a selected folder
 		if ($(event.target).parents('tr').find('td input:first').prop('checked') === true) {
 			return false;
 		}
 
-		var target = $(this).closest('tr').data('file');
-
-		var files = ui.helper.find('tr');
-		$(files).each(function(i,row) {
-			var dir = $(row).data('dir');
-			var file = $(row).data('filename');
-							//slapdash selector, tracking down our original element that the clone budded off of.
-				var origin = $('tr[data-id=' + $(row).data('origin') + ']');
-				var td = origin.children('td.filename');
-				var oldBackgroundImage = td.css('background-image');
-				td.css('background-image', 'url('+ OC.imagePath('core', 'loading.gif') + ')');
-			$.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 oldFile = FileList.findFileEl(target);
-						var newFile = FileList.findFileEl(file);
-						var oldSize = oldFile.data('size');
-						var newSize = oldSize + newFile.data('size');
-						oldFile.data('size', newSize);
-						oldFile.find('td.filesize').text(humanFileSize(newSize));
-
-						FileList.remove(file);
-						procesSelection();
-						$('#notification').hide();
-					} else {
-						$('#notification').hide();
-						$('#notification').text(result.data.message);
-						$('#notification').fadeIn();
-					}
-				} else {
-					OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
-				}
-				td.css('background-image', oldBackgroundImage);
-			});
-		});
-	},
-	tolerance: 'pointer'
-};
+		var targetPath = FileList.getCurrentDirectory() + '/' + $(this).closest('tr').data('file');
 
-var crumbDropOptions={
-	drop: function( event, ui ) {
-		var target=$(this).data('dir');
-		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 + '/';
-		}
-		if (target === dir || target+'/' === dir) {
-			return;
+		var files = FileList.getSelectedFiles();
+		if (files.length === 0) {
+			// single one selected without checkbox?
+			files = _.map(ui.helper.find('tr'), FileList.elementToFile);
 		}
-		var files = ui.helper.find('tr');
-		$(files).each(function(i,row) {
-			var dir = $(row).data('dir');
-			var file = $(row).data('filename');
-			//slapdash selector, tracking down our original element that the clone budded off of.
-			var origin = $('tr[data-id=' + $(row).data('origin') + ']');
-			var td = origin.children('td.filename');
-			var oldBackgroundImage = td.css('background-image');
-			td.css('background-image', 'url('+ OC.imagePath('core', 'loading.gif') + ')');
-			$.post(OC.filePath('files', 'ajax', 'move.php'), { dir: dir, file: file, target: target }, function(result) {
-				if (result) {
-					if (result.status === 'success') {
-						FileList.remove(file);
-						procesSelection();
-						$('#notification').hide();
-					} else {
-						$('#notification').hide();
-						$('#notification').text(result.data.message);
-						$('#notification').fadeIn();
-					}
-				} else {
-					OC.dialogs.alert(t('files', 'Error moving file'), t('files', 'Error'));
-				}
-				td.css('background-image', oldBackgroundImage);
-			});
-		});
+
+		FileList.move(_.pluck(files, 'name'), targetPath);
 	},
 	tolerance: 'pointer'
 };
 
-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'));
-		$('table').removeClass('multiselect');
-		$('.selectedActions').hide();
-		$('#select_all').removeAttr('checked');
-	}
-	else {
-		$('.selectedActions').show();
-		var totalSize = 0;
-		for(var i=0; i<selectedFiles.length; i++) {
-			totalSize+=selectedFiles[i].size;
-		}
-		for(var i=0; i<selectedFolders.length; i++) {
-			totalSize+=selectedFolders[i].size;
-		}
-		$('#headerSize').text(humanFileSize(totalSize));
-		var selection = '';
-		if (selectedFolders.length > 0) {
-			selection += n('files', '%n folder', '%n folders', selectedFolders.length);
-			if (selectedFiles.length > 0) {
-				selection += ' & ';
-			}
-		}
-		if (selectedFiles.length>0) {
-			selection += n('files', '%n file', '%n files', selectedFiles.length);
-		}
-		$('#headerName span.name').text(selection);
-		$('#modified').text('');
-		$('table').addClass('multiselect');
-	}
-}
-
-/**
- * @brief get a list of selected files
- * @param {string} property (option) the property of the file requested
- * @return {array}
- *
- * possible values for property: name, mime, size and type
- * if property is set, an array with that property for each file is returnd
- * if it's ommited an array of objects with all properties is returned
- */
-function getSelectedFilesTrash(property) {
-	var elements=$('td.filename input:checkbox:checked').parent().parent();
-	var files=[];
-	elements.each(function(i,element) {
-		var file={
-			name:$(element).attr('data-file'),
-			mime:$(element).data('mime'),
-			type:$(element).data('type'),
-			size:$(element).data('size'),
-			etag:$(element).data('etag'),
-			origin: $(element).data('id')
-		};
-		if (property) {
-			files.push(file[property]);
-		} else {
-			files.push(file);
-		}
-	});
-	return files;
-}
-
 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) {
-			if(SVGSupport()){
+			if(OC.Util.hasSVGSupport()){
 				path = path.substr(0, path.length-4) + '.svg';
 			}
 			Files.getMimeIcon.cache[mime]=path;
@@ -749,25 +420,32 @@ function getPathForPreview(name) {
 	return path;
 }
 
+/**
+ * Generates a preview URL based on the URL space.
+ * @param urlSpec map with {x: width, y: height, file: file path}
+ * @return preview URL
+ */
+Files.generatePreviewUrl = function(urlSpec) {
+	urlSpec = urlSpec || {};
+	if (!urlSpec.x) {
+		urlSpec.x = $('#filestable').data('preview-x');
+	}
+	if (!urlSpec.y) {
+		urlSpec.y = $('#filestable').data('preview-y');
+	}
+	urlSpec.y *= window.devicePixelRatio;
+	urlSpec.x *= window.devicePixelRatio;
+	urlSpec.forceIcon = 0;
+	return OC.generateUrl('/core/preview.png?') + $.param(urlSpec);
+};
+
 Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
 	// get mime icon url
 	Files.getMimeIcon(mime, function(iconURL) {
-		var urlSpec = {};
-		var previewURL;
+		var previewURL,
+			urlSpec = {};
 		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){
@@ -778,15 +456,9 @@ Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
 			console.warn('Files.lazyLoadPreview(): missing etag argument');
 		}
 
-		if ( $('#isPublic').length ) {
-			urlSpec.t = $('#dirToken').val();
-			previewURL = OC.Router.generate('core_ajax_public_preview', urlSpec);
-		} else {
-			previewURL = OC.Router.generate('core_ajax_preview', urlSpec);
-		}
+		previewURL = Files.generatePreviewUrl(urlSpec);
 		previewURL = previewURL.replace('(', '%28');
 		previewURL = previewURL.replace(')', '%29');
-		previewURL += '&forceIcon=0';
 
 		// preload image to prevent delay
 		// this will make the browser cache the image
@@ -796,7 +468,7 @@ Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
 			if (img.width > 5) {
 				ready(previewURL);
 			}
-		}
+		};
 		img.src = previewURL;
 	});
 };
@@ -835,14 +507,8 @@ function checkTrashStatus() {
 	});
 }
 
-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));
-	}
+// override core's fileDownloadPath (legacy)
+function fileDownloadPath(dir, file) {
+	return Files.getDownloadUrl(file, dir);
 }