Gallery.app: Remove old Gallery files.

ui/file_manager/file_manager/foreground/js/photo/gallery.js

Index: ui/file_manager/file_manager/foreground/js/photo/gallery.js
diff --git a/ui/file_manager/file_manager/foreground/js/photo/gallery.js b/ui/file_manager/file_manager/foreground/js/photo/gallery.js
deleted file mode 100644
index 242eea5cb3fe89e8e265e2c8a7cdc31e048aba75..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/foreground/js/photo/gallery.js
+++ /dev/null
@@ -1,884 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Called from the main frame when unloading.
- * @param {boolean=} opt_exiting True if the app is exiting.
- */
-function unload(opt_exiting) { Gallery.instance.onUnload(opt_exiting) }
-
-/**
- * Gallery for viewing and editing image files.
- *
- * @param {Object} context Object containing the following:
- *     {function(string)} onNameChange Called every time a selected
- *         item name changes (on rename and on selection change).
- *     {AppWindow} appWindow
- *     {function(string)} onBack
- *     {function()} onClose
- *     {function()} onMaximize
- *     {function()} onMinimize
- *     {function(boolean)} onAppRegionChanged
- *     {MetadataCache} metadataCache
- *     {Array.<Object>} shareActions
- *     {string} readonlyDirName Directory name for readonly warning or null.
- *     {DirEntry} saveDirEntry Directory to save to.
- *     {function(string)} displayStringFunction.
- * @param {VolumeManagerWrapper} volumeManager The VolumeManager instance of
- *      the system.
- * @class
- * @constructor
- */
-function Gallery(context, volumeManager) {
-  this.container_ = document.querySelector('.gallery');
-  this.document_ = document;
-  this.context_ = context;
-  this.metadataCache_ = context.metadataCache;
-  this.volumeManager_ = volumeManager;
-  this.selectedEntry_ = null;
-  this.metadataCacheObserverId_ = null;
-  this.onExternallyUnmountedBound_ = this.onExternallyUnmounted_.bind(this);
-
-  this.dataModel_ = new cr.ui.ArrayDataModel([]);
-  this.selectionModel_ = new cr.ui.ListSelectionModel();
-  loadTimeData.data = context.loadTimeData;
-
-  this.initDom_();
-  this.initListeners_();
-}
-
-/**
- * Gallery extends cr.EventTarget.
- */
-Gallery.prototype.__proto__ = cr.EventTarget.prototype;
-
-/**
- * Creates and initializes a Gallery object based on a context.
- *
- * @param {Object} context Gallery context.
- * @param {VolumeManagerWrapper} volumeManager VolumeManager of the system.
- * @param {Array.<Entry>} entries Array of entries.
- * @param {Array.<Entry>} selectedEntries Array of selected entries.
- */
-Gallery.open = function(context, volumeManager, entries, selectedEntries) {
-  Gallery.instance = new Gallery(context, volumeManager);
-  Gallery.instance.load(entries, selectedEntries);
-};
-
-/**
- * Tools fade-out timeout im milliseconds.
- * @const
- * @type {number}
- */
-Gallery.FADE_TIMEOUT = 3000;
-
-/**
- * First time tools fade-out timeout im milliseconds.
- * @const
- * @type {number}
- */
-Gallery.FIRST_FADE_TIMEOUT = 1000;
-
-/**
- * Time until mosaic is initialized in the background. Used to make gallery
- * in the slide mode load faster. In miiliseconds.
- * @const
- * @type {number}
- */
-Gallery.MOSAIC_BACKGROUND_INIT_DELAY = 1000;
-
-/**
- * Types of metadata Gallery uses (to query the metadata cache).
- * @const
- * @type {string}
- */
-Gallery.METADATA_TYPE = 'thumbnail|filesystem|media|streaming|drive';
-
-/**
- * Initializes listeners.
- * @private
- */
-Gallery.prototype.initListeners_ = function() {
-  this.document_.oncontextmenu = function(e) { e.preventDefault(); };
-  this.keyDownBound_ = this.onKeyDown_.bind(this);
-  this.document_.body.addEventListener('keydown', this.keyDownBound_);
-
-  this.inactivityWatcher_ = new MouseInactivityWatcher(
-      this.container_, Gallery.FADE_TIMEOUT, this.hasActiveTool.bind(this));
-
-  // Search results may contain files from different subdirectories so
-  // the observer is not going to work.
-  if (!this.context_.searchResults && this.context_.curDirEntry) {
-    this.metadataCacheObserverId_ = this.metadataCache_.addObserver(
-        this.context_.curDirEntry,
-        MetadataCache.CHILDREN,
-        'thumbnail',
-        this.updateThumbnails_.bind(this));
-  }
-  this.volumeManager_.addEventListener(
-      'externally-unmounted', this.onExternallyUnmountedBound_);
-};
-
-/**
- * Closes gallery when a volume containing the selected item is unmounted.
- * @param {Event} event The unmount event.
- * @private
- */
-Gallery.prototype.onExternallyUnmounted_ = function(event) {
-  if (!this.selectedEntry_)
-    return;
-
-  if (this.volumeManager_.getVolumeInfo(this.selectedEntry_) ===
-      event.volumeInfo) {
-    this.onBack_();
-  }
-};
-
-/**
- * Unloads the Gallery.
- * @param {boolean} exiting True if the app is exiting.
- */
-Gallery.prototype.onUnload = function(exiting) {
-  if (this.metadataCacheObserverId_ !== null)
-    this.metadataCache_.removeObserver(this.metadataCacheObserverId_);
-  this.volumeManager_.removeEventListener(
-      'externally-unmounted', this.onExternallyUnmountedBound_);
-  this.slideMode_.onUnload(exiting);
-};
-
-/**
- * Initializes DOM UI
- * @private
- */
-Gallery.prototype.initDom_ = function() {
-  // Initialize the dialog label.
-  cr.ui.dialogs.BaseDialog.OK_LABEL = str('GALLERY_OK_LABEL');
-  cr.ui.dialogs.BaseDialog.CANCEL_LABEL = str('GALLERY_CANCEL_LABEL');
-
-  var content = util.createChild(this.container_, 'content');
-  content.addEventListener('click', this.onContentClick_.bind(this));
-
-  this.header_ = util.createChild(this.container_, 'header tool dimmable');
-  this.toolbar_ = util.createChild(this.container_, 'toolbar tool dimmable');
-
-  var backButton = util.createChild(this.container_,
-                                    'back-button tool dimmable');
-  util.createChild(backButton);
-  backButton.addEventListener('click', this.onBack_.bind(this));
-
-  var preventDefault = function(event) { event.preventDefault(); };
-
-  var minimizeButton = util.createChild(this.header_,
-                                        'minimize-button tool dimmable',
-                                        'button');
-  minimizeButton.tabIndex = -1;
-  minimizeButton.addEventListener('click', this.onMinimize_.bind(this));
-  minimizeButton.addEventListener('mousedown', preventDefault);
-
-  var maximizeButton = util.createChild(this.header_,
-                                        'maximize-button tool dimmable',
-                                        'button');
-  maximizeButton.tabIndex = -1;
-  maximizeButton.addEventListener('click', this.onMaximize_.bind(this));
-  maximizeButton.addEventListener('mousedown', preventDefault);
-
-  var closeButton = util.createChild(this.header_,
-                                     'close-button tool dimmable',
-                                     'button');
-  closeButton.tabIndex = -1;
-  closeButton.addEventListener('click', this.onClose_.bind(this));
-  closeButton.addEventListener('mousedown', preventDefault);
-
-  this.filenameSpacer_ = util.createChild(this.toolbar_, 'filename-spacer');
-  this.filenameEdit_ = util.createChild(this.filenameSpacer_,
-                                        'namebox', 'input');
-
-  this.filenameEdit_.setAttribute('type', 'text');
-  this.filenameEdit_.addEventListener('blur',
-      this.onFilenameEditBlur_.bind(this));
-
-  this.filenameEdit_.addEventListener('focus',
-      this.onFilenameFocus_.bind(this));
-
-  this.filenameEdit_.addEventListener('keydown',
-      this.onFilenameEditKeydown_.bind(this));
-
-  util.createChild(this.toolbar_, 'button-spacer');
-
-  this.prompt_ = new ImageEditor.Prompt(this.container_, str);
-
-  this.modeButton_ = util.createChild(this.toolbar_, 'button mode', 'button');
-  this.modeButton_.addEventListener('click',
-      this.toggleMode_.bind(this, null));
-
-  this.mosaicMode_ = new MosaicMode(content,
-                                    this.dataModel_,
-                                    this.selectionModel_,
-                                    this.metadataCache_,
-                                    this.volumeManager_,
-                                    this.toggleMode_.bind(this, null));
-
-  this.slideMode_ = new SlideMode(this.container_,
-                                  content,
-                                  this.toolbar_,
-                                  this.prompt_,
-                                  this.dataModel_,
-                                  this.selectionModel_,
-                                  this.context_,
-                                  this.toggleMode_.bind(this),
-                                  str);
-
-  this.slideMode_.addEventListener('image-displayed', function() {
-    cr.dispatchSimpleEvent(this, 'image-displayed');
-  }.bind(this));
-  this.slideMode_.addEventListener('image-saved', function() {
-    cr.dispatchSimpleEvent(this, 'image-saved');
-  }.bind(this));
-
-  var deleteButton = this.createToolbarButton_('delete', 'GALLERY_DELETE');
-  deleteButton.addEventListener('click', this.delete_.bind(this));
-
-  this.shareButton_ = this.createToolbarButton_('share', 'GALLERY_SHARE');
-  this.shareButton_.setAttribute('disabled', '');
-  this.shareButton_.addEventListener('click', this.toggleShare_.bind(this));
-
-  this.shareMenu_ = util.createChild(this.container_, 'share-menu');
-  this.shareMenu_.hidden = true;
-  util.createChild(this.shareMenu_, 'bubble-point');
-
-  this.dataModel_.addEventListener('splice', this.onSplice_.bind(this));
-  this.dataModel_.addEventListener('content', this.onContentChange_.bind(this));
-
-  this.selectionModel_.addEventListener('change', this.onSelection_.bind(this));
-  this.slideMode_.addEventListener('useraction', this.onUserAction_.bind(this));
-};
-
-/**
- * Creates toolbar button.
- *
- * @param {string} className Class to add.
- * @param {string} title Button title.
- * @return {HTMLElement} Newly created button.
- * @private
- */
-Gallery.prototype.createToolbarButton_ = function(className, title) {
-  var button = util.createChild(this.toolbar_, className, 'button');
-  button.title = str(title);
-  return button;
-};
-
-/**
- * Loads the content.
- *
- * @param {Array.<Entry>} entries Array of entries.
- * @param {Array.<Entry>} selectedEntries Array of selected entries.
- */
-Gallery.prototype.load = function(entries, selectedEntries) {
-  var items = [];
-  for (var index = 0; index < entries.length; ++index) {
-    items.push(new Gallery.Item(entries[index]));
-  }
-  this.dataModel_.push.apply(this.dataModel_, items);
-
-  this.selectionModel_.adjustLength(this.dataModel_.length);
-
-  // Comparing Entries by reference is not safe. Therefore we have to use URLs.
-  var entryIndexesByURLs = {};
-  for (var index = 0; index < entries.length; index++) {
-    entryIndexesByURLs[entries[index].toURL()] = index;
-  }
-
-  for (var i = 0; i !== selectedEntries.length; i++) {
-    var selectedIndex = entryIndexesByURLs[selectedEntries[i].toURL()];
-    if (selectedIndex !== undefined)
-      this.selectionModel_.setIndexSelected(selectedIndex, true);
-    else
-      console.error('Cannot select ' + selectedEntries[i]);
-  }
-
-  if (this.selectionModel_.selectedIndexes.length === 0)
-    this.onSelection_();
-
-  var mosaic = this.mosaicMode_ && this.mosaicMode_.getMosaic();
-
-  // Mosaic view should show up if most of the selected files are images.
-  var imagesCount = 0;
-  for (var i = 0; i !== selectedEntries.length; i++) {
-    if (FileType.getMediaType(selectedEntries[i]) === 'image')
-      imagesCount++;
-  }
-  var mostlyImages = imagesCount > (selectedEntries.length / 2.0);
-
-  var forcedMosaic = (this.context_.pageState &&
-       this.context_.pageState.gallery === 'mosaic');
-
-  var showMosaic = (mostlyImages && selectedEntries.length > 1) || forcedMosaic;
-  if (mosaic && showMosaic) {
-    this.setCurrentMode_(this.mosaicMode_);
-    mosaic.init();
-    mosaic.show();
-    this.inactivityWatcher_.check();  // Show the toolbar.
-    cr.dispatchSimpleEvent(this, 'loaded');
-  } else {
-    this.setCurrentMode_(this.slideMode_);
-    var maybeLoadMosaic = function() {
-      if (mosaic)
-        mosaic.init();
-      cr.dispatchSimpleEvent(this, 'loaded');
-    }.bind(this);
-    /* TODO: consider nice blow-up animation for the first image */
-    this.slideMode_.enter(null, function() {
-        // Flash the toolbar briefly to show it is there.
-        this.inactivityWatcher_.kick(Gallery.FIRST_FADE_TIMEOUT);
-      }.bind(this),
-      maybeLoadMosaic);
-  }
-};
-
-/**
- * Closes the Gallery and go to Files.app.
- * @private
- */
-Gallery.prototype.back_ = function() {
-  if (util.isFullScreen(this.context_.appWindow)) {
-    util.toggleFullScreen(this.context_.appWindow,
-                          false);  // Leave the full screen mode.
-  }
-  this.context_.onBack(this.getSelectedEntries());
-};
-
-/**
- * Handles user's 'Back' action (Escape or a click on the X icon).
- * @private
- */
-Gallery.prototype.onBack_ = function() {
-  this.executeWhenReady(this.back_.bind(this));
-};
-
-/**
- * Handles user's 'Close' action.
- * @private
- */
-Gallery.prototype.onClose_ = function() {
-  this.executeWhenReady(this.context_.onClose);
-};
-
-/**
- * Handles user's 'Maximize' action (Escape or a click on the X icon).
- * @private
- */
-Gallery.prototype.onMaximize_ = function() {
-  this.executeWhenReady(this.context_.onMaximize);
-};
-
-/**
- * Handles user's 'Maximize' action (Escape or a click on the X icon).
- * @private
- */
-Gallery.prototype.onMinimize_ = function() {
-  this.executeWhenReady(this.context_.onMinimize);
-};
-
-/**
- * Executes a function when the editor is done with the modifications.
- * @param {function} callback Function to execute.
- */
-Gallery.prototype.executeWhenReady = function(callback) {
-  this.currentMode_.executeWhenReady(callback);
-};
-
-/**
- * @return {Object} File browser private API.
- */
-Gallery.getFileBrowserPrivate = function() {
-  return chrome.fileBrowserPrivate || window.top.chrome.fileBrowserPrivate;
-};
-
-/**
- * @return {boolean} True if some tool is currently active.
- */
-Gallery.prototype.hasActiveTool = function() {
-  return this.currentMode_.hasActiveTool() ||
-      this.isSharing_() || this.isRenaming_();
-};
-
-/**
-* External user action event handler.
-* @private
-*/
-Gallery.prototype.onUserAction_ = function() {
-  this.closeShareMenu_();
-  // Show the toolbar and hide it after the default timeout.
-  this.inactivityWatcher_.kick();
-};
-
-/**
- * Sets the current mode, update the UI.
- * @param {Object} mode Current mode.
- * @private
- */
-Gallery.prototype.setCurrentMode_ = function(mode) {
-  if (mode !== this.slideMode_ && mode !== this.mosaicMode_)
-    console.error('Invalid Gallery mode');
-
-  this.currentMode_ = mode;
-  this.container_.setAttribute('mode', this.currentMode_.getName());
-  this.updateSelectionAndState_();
-  this.updateButtons_();
-};
-
-/**
- * Mode toggle event handler.
- * @param {function=} opt_callback Callback.
- * @param {Event=} opt_event Event that caused this call.
- * @private
- */
-Gallery.prototype.toggleMode_ = function(opt_callback, opt_event) {
-  if (!this.modeButton_)
-    return;
-
-  if (this.changingMode_) // Do not re-enter while changing the mode.
-    return;
-
-  if (opt_event)
-    this.onUserAction_();
-
-  this.changingMode_ = true;
-
-  var onModeChanged = function() {
-    this.changingMode_ = false;
-    if (opt_callback) opt_callback();
-  }.bind(this);
-
-  var tileIndex = Math.max(0, this.selectionModel_.selectedIndex);
-
-  var mosaic = this.mosaicMode_.getMosaic();
-  var tileRect = mosaic.getTileRect(tileIndex);
-
-  if (this.currentMode_ === this.slideMode_) {
-    this.setCurrentMode_(this.mosaicMode_);
-    mosaic.transform(
-        tileRect, this.slideMode_.getSelectedImageRect(), true /* instant */);
-    this.slideMode_.leave(tileRect,
-        function() {
-          // Animate back to normal position.
-          mosaic.transform();
-          mosaic.show();
-          onModeChanged();
-        }.bind(this));
-  } else {
-    this.setCurrentMode_(this.slideMode_);
-    this.slideMode_.enter(tileRect,
-        function() {
-          // Animate to zoomed position.
-          mosaic.transform(tileRect, this.slideMode_.getSelectedImageRect());
-          mosaic.hide();
-        }.bind(this),
-        onModeChanged);
-  }
-};
-
-/**
- * Deletes the selected items.
- * @private
- */
-Gallery.prototype.delete_ = function() {
-  this.onUserAction_();
-
-  // Clone the sorted selected indexes array.
-  var indexesToRemove = this.selectionModel_.selectedIndexes.slice();
-  if (!indexesToRemove.length)
-    return;
-
-  /* TODO(dgozman): Implement Undo delete, Remove the confirmation dialog. */
-
-  var itemsToRemove = this.getSelectedItems();
-  var plural = itemsToRemove.length > 1;
-  var param = plural ? itemsToRemove.length : itemsToRemove[0].getFileName();
-
-  function deleteNext() {
-    if (!itemsToRemove.length)
-      return;  // All deleted.
-
-    // TODO(hirono): Use fileOperationManager.
-    var entry = itemsToRemove.pop().getEntry();
-    entry.remove(deleteNext, function() {
-      util.flog('Error deleting: ' + entry.name, deleteNext);
-    });
-  }
-
-  // Prevent the Gallery from handling Esc and Enter.
-  this.document_.body.removeEventListener('keydown', this.keyDownBound_);
-  var restoreListener = function() {
-    this.document_.body.addEventListener('keydown', this.keyDownBound_);
-  }.bind(this);
-
-
-  var confirm = new cr.ui.dialogs.ConfirmDialog(this.container_);
-  confirm.show(strf(plural ?
-      'GALLERY_CONFIRM_DELETE_SOME' : 'GALLERY_CONFIRM_DELETE_ONE', param),
-      function() {
-        restoreListener();
-        this.selectionModel_.unselectAll();
-        this.selectionModel_.leadIndex = -1;
-        // Remove items from the data model, starting from the highest index.
-        while (indexesToRemove.length)
-          this.dataModel_.splice(indexesToRemove.pop(), 1);
-        // Delete actual files.
-        deleteNext();
-      }.bind(this),
-      function() {
-        // Restore the listener after a timeout so that ESC is processed.
-        setTimeout(restoreListener, 0);
-      });
-};
-
-/**
- * @return {Array.<Gallery.Item>} Current selection.
- */
-Gallery.prototype.getSelectedItems = function() {
-  return this.selectionModel_.selectedIndexes.map(
-      this.dataModel_.item.bind(this.dataModel_));
-};
-
-/**
- * @return {Array.<Entry>} Array of currently selected entries.
- */
-Gallery.prototype.getSelectedEntries = function() {
-  return this.selectionModel_.selectedIndexes.map(function(index) {
-    return this.dataModel_.item(index).getEntry();
-  }.bind(this));
-};
-
-/**
- * @return {Gallery.Item} Current single selection.
- */
-Gallery.prototype.getSingleSelectedItem = function() {
-  var items = this.getSelectedItems();
-  if (items.length > 1)
-    throw new Error('Unexpected multiple selection');
-  return items[0];
-};
-
-/**
-  * Selection change event handler.
-  * @private
-  */
-Gallery.prototype.onSelection_ = function() {
-  this.updateSelectionAndState_();
-  this.updateShareMenu_();
-};
-
-/**
-  * Data model splice event handler.
-  * @private
-  */
-Gallery.prototype.onSplice_ = function() {
-  this.selectionModel_.adjustLength(this.dataModel_.length);
-};
-
-/**
- * Content change event handler.
- * @param {Event} event Event.
- * @private
-*/
-Gallery.prototype.onContentChange_ = function(event) {
-  var index = this.dataModel_.indexOf(event.item);
-  if (index !== this.selectionModel_.selectedIndex)
-    console.error('Content changed for unselected item');
-  this.updateSelectionAndState_();
-};
-
-/**
- * Keydown handler.
- *
- * @param {Event} event Event.
- * @private
- */
-Gallery.prototype.onKeyDown_ = function(event) {
-  var wasSharing = this.isSharing_();
-  this.closeShareMenu_();
-
-  if (this.currentMode_.onKeyDown(event))
-    return;
-
-  switch (util.getKeyModifiers(event) + event.keyIdentifier) {
-    case 'U+0008': // Backspace.
-      // The default handler would call history.back and close the Gallery.
-      event.preventDefault();
-      break;
-
-    case 'U+001B':  // Escape
-      // Swallow Esc if it closed the Share menu, otherwise close the Gallery.
-      if (!wasSharing)
-        this.onBack_();
-      break;
-
-    case 'U+004D':  // 'm' switches between Slide and Mosaic mode.
-      this.toggleMode_(null, event);
-      break;
-
-    case 'U+0056':  // 'v'
-      this.slideMode_.startSlideshow(SlideMode.SLIDESHOW_INTERVAL_FIRST, event);
-      break;
-
-    case 'U+007F':  // Delete
-    case 'Shift-U+0033':  // Shift+'3' (Delete key might be missing).
-      this.delete_();
-      break;
-  }
-};
-
-// Name box and rename support.
-
-/**
- * Updates the UI related to the selected item and the persistent state.
- *
- * @private
- */
-Gallery.prototype.updateSelectionAndState_ = function() {
-  var numSelectedItems = this.selectionModel_.selectedIndexes.length;
-  var displayName = '';
-  var selectedEntryURL = null;
-
-  // If it's selecting something, update the variable values.
-  if (numSelectedItems) {
-    var selectedItem =
-        this.dataModel_.item(this.selectionModel_.selectedIndex);
-    this.selectedEntry_ = selectedItem.getEntry();
-    selectedEntryURL = this.selectedEntry_.toURL();
-
-    if (numSelectedItems === 1) {
-      window.top.document.title = this.selectedEntry_.name;
-      displayName = ImageUtil.getDisplayNameFromName(this.selectedEntry_.name);
-    } else if (this.context_.curDirEntry) {
-      // If the Gallery was opened on search results the search query will not
-      // be recorded in the app state and the relaunch will just open the
-      // gallery in the curDirEntry directory.
-      window.top.document.title = this.context_.curDirEntry.name;
-      displayName = strf('GALLERY_ITEMS_SELECTED', numSelectedItems);
-    }
-  }
-
-  window.top.util.updateAppState(
-      null,  // Keep the current directory.
-      selectedEntryURL,  // Update the selection.
-      {gallery: (this.currentMode_ === this.mosaicMode_ ? 'mosaic' : 'slide')});
-
-  // We can't rename files in readonly directory.
-  // We can only rename a single file.
-  this.filenameEdit_.disabled = numSelectedItems !== 1 ||
-                                this.context_.readonlyDirName;
-  this.filenameEdit_.value = displayName;
-};
-
-/**
- * Click event handler on filename edit box
- * @private
- */
-Gallery.prototype.onFilenameFocus_ = function() {
-  ImageUtil.setAttribute(this.filenameSpacer_, 'renaming', true);
-  this.filenameEdit_.originalValue = this.filenameEdit_.value;
-  setTimeout(this.filenameEdit_.select.bind(this.filenameEdit_), 0);
-  this.onUserAction_();
-};
-
-/**
- * Blur event handler on filename edit box.
- *
- * @param {Event} event Blur event.
- * @return {boolean} if default action should be prevented.
- * @private
- */
-Gallery.prototype.onFilenameEditBlur_ = function(event) {
-  if (this.filenameEdit_.value && this.filenameEdit_.value[0] === '.') {
-    this.prompt_.show('GALLERY_FILE_HIDDEN_NAME', 5000);
-    this.filenameEdit_.focus();
-    event.stopPropagation();
-    event.preventDefault();
-    return false;
-  }
-
-  var item = this.getSingleSelectedItem();
-  var oldEntry = item.getEntry();
-
-  var onFileExists = function() {
-    this.prompt_.show('GALLERY_FILE_EXISTS', 3000);
-    this.filenameEdit_.value = name;
-    this.filenameEdit_.focus();
-  }.bind(this);
-
-  var onSuccess = function() {
-    var event = new Event('content');
-    event.item = item;
-    event.oldEntry = oldEntry;
-    event.metadata = null;  // Metadata unchanged.
-    this.dataModel_.dispatchEvent(event);
-  }.bind(this);
-
-  if (this.filenameEdit_.value) {
-    this.getSingleSelectedItem().rename(
-        this.filenameEdit_.value, onSuccess, onFileExists);
-  }
-
-  ImageUtil.setAttribute(this.filenameSpacer_, 'renaming', false);
-  this.onUserAction_();
-};
-
-/**
- * Keydown event handler on filename edit box
- * @private
- */
-Gallery.prototype.onFilenameEditKeydown_ = function() {
-  switch (event.keyCode) {
-    case 27:  // Escape
-      this.filenameEdit_.value = this.filenameEdit_.originalValue;
-      this.filenameEdit_.blur();
-      break;
-
-    case 13:  // Enter
-      this.filenameEdit_.blur();
-      break;
-  }
-  event.stopPropagation();
-};
-
-/**
- * @return {boolean} True if file renaming is currently in progress.
- * @private
- */
-Gallery.prototype.isRenaming_ = function() {
-  return this.filenameSpacer_.hasAttribute('renaming');
-};
-
-/**
- * Content area click handler.
- * @private
- */
-Gallery.prototype.onContentClick_ = function() {
-  this.closeShareMenu_();
-  this.filenameEdit_.blur();
-};
-
-// Share button support.
-
-/**
- * @return {boolean} True if the Share menu is active.
- * @private
- */
-Gallery.prototype.isSharing_ = function() {
-  return !this.shareMenu_.hidden;
-};
-
-/**
- * Close Share menu if it is open.
- * @private
- */
-Gallery.prototype.closeShareMenu_ = function() {
-  if (this.isSharing_())
-    this.toggleShare_();
-};
-
-/**
- * Share button handler.
- * @private
- */
-Gallery.prototype.toggleShare_ = function() {
-  if (!this.shareButton_.hasAttribute('disabled'))
-    this.shareMenu_.hidden = !this.shareMenu_.hidden;
-  this.inactivityWatcher_.check();
-};
-
-/**
- * Updates available actions list based on the currently selected urls.
- * @private.
- */
-Gallery.prototype.updateShareMenu_ = function() {
-  var entries = this.getSelectedEntries();
-
-  function isShareAction(task) {
-    var taskParts = task.taskId.split('|');
-    return taskParts[0] !== chrome.runtime.id;
-  }
-
-  var api = Gallery.getFileBrowserPrivate();
-  var mimeTypes = [];  // TODO(kaznacheev) Collect mime types properly.
-
-  var createShareMenu = function(tasks) {
-    var wasHidden = this.shareMenu_.hidden;
-    this.shareMenu_.hidden = true;
-    var items = this.shareMenu_.querySelectorAll('.item');
-    for (var i = 0; i !== items.length; i++) {
-      items[i].parentNode.removeChild(items[i]);
-    }
-
-    for (var t = 0; t !== tasks.length; t++) {
-      var task = tasks[t];
-      if (!isShareAction(task)) continue;
-
-      var item = util.createChild(this.shareMenu_, 'item');
-      item.textContent = task.title;
-      item.style.backgroundImage = 'url(' + task.iconUrl + ')';
-      item.addEventListener('click', function(taskId) {
-        this.toggleShare_();  // Hide the menu.
-        // TODO(hirono): Use entries instead of URLs.
-        this.executeWhenReady(
-            api.executeTask.bind(
-                api,
-                taskId,
-                util.entriesToURLs(entries),
-                function(result) {
-                  var alertDialog =
-                      new cr.ui.dialogs.AlertDialog(this.container_);
-                  util.isTeleported(window).then(function(teleported) {
-                    if (teleported)
-                      util.showOpenInOtherDesktopAlert(alertDialog, entries);
-                  }.bind(this));
-                }.bind(this)));
-      }.bind(this, task.taskId));
-    }
-
-    var empty = this.shareMenu_.querySelector('.item') === null;
-    ImageUtil.setAttribute(this.shareButton_, 'disabled', empty);
-    this.shareMenu_.hidden = wasHidden || empty;
-  }.bind(this);
-
-  // Create or update the share menu with a list of sharing tasks and show
-  // or hide the share button.
-  // TODO(mtomasz): Pass Entries directly, instead of URLs.
-  if (!entries.length)
-    createShareMenu([]);  // Empty list of tasks, since there is no selection.
-  else
-    api.getFileTasks(util.entriesToURLs(entries), mimeTypes, createShareMenu);
-};
-
-/**
- * Updates thumbnails.
- * @private
- */
-Gallery.prototype.updateThumbnails_ = function() {
-  if (this.currentMode_ === this.slideMode_)
-    this.slideMode_.updateThumbnails();
-
-  if (this.mosaicMode_) {
-    var mosaic = this.mosaicMode_.getMosaic();
-    if (mosaic.isInitialized())
-      mosaic.reload();
-  }
-};
-
-/**
- * Updates buttons.
- * @private
- */
-Gallery.prototype.updateButtons_ = function() {
-  if (this.modeButton_) {
-    var oppositeMode =
-        this.currentMode_ === this.slideMode_ ? this.mosaicMode_ :
-                                                this.slideMode_;
-    this.modeButton_.title = str(oppositeMode.getTitle());
-  }
-};