Remove some platform specific stuff from views.

ui/file_manager/file_manager/foreground/js/navigation_list_model.js

Index: ui/file_manager/file_manager/foreground/js/navigation_list_model.js
diff --git a/ui/file_manager/file_manager/foreground/js/navigation_list_model.js b/ui/file_manager/file_manager/foreground/js/navigation_list_model.js
deleted file mode 100644
index 62b031d9ea59072f4c3f314794dd95d6699703d0..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/foreground/js/navigation_list_model.js
+++ /dev/null
@@ -1,290 +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';
-
-/**
- * Base item of NavigationListModel. Should not be created directly.
- * @param {string} label Label.
- * @constructor
- */
-function NavigationModelItem(label) {
-  this.label_ = label;
-}
-
-NavigationModelItem.prototype = {
-  get label() { return this.label_; }
-};
-
-/**
- * Check whether given two model items are same.
- * @param {NavigationModelItem} item1 The first item to be compared.
- * @param {NavigationModelItem} item2 The second item to be compared.
- * @return {boolean} True if given two model items are same.
- */
-NavigationModelItem.isSame = function(item1, item2) {
-  if (item1.isVolume != item2.isVolume)
-    return false;
-
-  if (item1.isVolume)
-    return item1.volumeInfo === item2.volumeInfo;
-  else
-    return util.isSameEntry(item1.entry, item2.entry);
-};
-
-/**
- * Item of NavigationListModel for shortcuts.
- *
- * @param {string} label Label.
- * @param {!DirectoryEntry} entry Entry. Cannot be null.
- * @constructor
- * @extends {NavigationModelItem}
- */
-function NavigationModelShortcutItem(label, entry) {
-  NavigationModelItem.call(this, label);
-  this.entry_ = entry;
-  Object.freeze(this);
-}
-
-NavigationModelShortcutItem.prototype = {
-  __proto__: NavigationModelItem.prototype,
-  get entry() { return this.entry_; },
-  get isVolume() { return false; },
-  get isShortcut() { return true; }
-};
-
-/**
- * Item of NavigationListModel for volumes.
- *
- * @param {string} label Label.
- * @param {!VolumeInfo} volumeInfo Volume info for the volume. Cannot be null.
- * @constructor
- * @extends {NavigationModelItem}
- */
-function NavigationModelVolumeItem(label, volumeInfo) {
-  NavigationModelItem.call(this, label);
-  this.volumeInfo_ = volumeInfo;
-  // Start resolving the display root because it is used
-  // for determining executability of commands.
-  this.volumeInfo_.resolveDisplayRoot(
-      function() {}, function() {});
-  Object.freeze(this);
-}
-
-NavigationModelVolumeItem.prototype = {
-  __proto__: NavigationModelItem.prototype,
-  get volumeInfo() { return this.volumeInfo_; },
-  get isVolume() { return true; },
-  get isShortcut() { return false; }
-};
-
-/**
- * A navigation list model. This model combines the 2 lists.
- * @param {VolumeManagerWrapper} volumeManager VolumeManagerWrapper instance.
- * @param {(cr.ui.ArrayDataModel|FolderShortcutsDataModel)} shortcutListModel
- *     The list of folder shortcut.
- * @constructor
- * @extends {cr.EventTarget}
- */
-function NavigationListModel(volumeManager, shortcutListModel) {
-  cr.EventTarget.call(this);
-
-  this.volumeManager_ = volumeManager;
-  this.shortcutListModel_ = shortcutListModel;
-
-  var volumeInfoToModelItem = function(volumeInfo) {
-    return new NavigationModelVolumeItem(
-        volumeInfo.label,
-        volumeInfo);
-  }.bind(this);
-
-  var entryToModelItem = function(entry) {
-    var item = new NavigationModelShortcutItem(
-        entry.name,
-        entry);
-    return item;
-  }.bind(this);
-
-  /**
-   * Type of updated list.
-   * @enum {number}
-   * @const
-   */
-  var ListType = {
-    VOLUME_LIST: 1,
-    SHORTCUT_LIST: 2
-  };
-  Object.freeze(ListType);
-
-  // Generates this.volumeList_ and this.shortcutList_ from the models.
-  this.volumeList_ =
-      this.volumeManager_.volumeInfoList.slice().map(volumeInfoToModelItem);
-
-  this.shortcutList_ = [];
-  for (var i = 0; i < this.shortcutListModel_.length; i++) {
-    var shortcutEntry = /** @type {Entry} */ (this.shortcutListModel_.item(i));
-    var volumeInfo = this.volumeManager_.getVolumeInfo(shortcutEntry);
-    this.shortcutList_.push(entryToModelItem(shortcutEntry));
-  }
-
-  // Generates a combined 'permuted' event from an event of either list.
-  var permutedHandler = function(listType, event) {
-    var permutation;
-
-    // Build the volumeList.
-    if (listType == ListType.VOLUME_LIST) {
-      // The volume is mounted or unmounted.
-      var newList = [];
-
-      // Use the old instances if they just move.
-      for (var i = 0; i < event.permutation.length; i++) {
-        if (event.permutation[i] >= 0)
-          newList[event.permutation[i]] = this.volumeList_[i];
-      }
-
-      // Create missing instances.
-      for (var i = 0; i < event.newLength; i++) {
-        if (!newList[i]) {
-          newList[i] = volumeInfoToModelItem(
-              this.volumeManager_.volumeInfoList.item(i));
-        }
-      }
-      this.volumeList_ = newList;
-
-      permutation = event.permutation.slice();
-
-      // shortcutList part has not been changed, so the permutation should be
-      // just identity mapping with a shift.
-      for (var i = 0; i < this.shortcutList_.length; i++) {
-        permutation.push(i + this.volumeList_.length);
-      }
-    } else {
-      // Build the shortcutList.
-
-      // volumeList part has not been changed, so the permutation should be
-      // identity mapping.
-
-      permutation = [];
-      for (var i = 0; i < this.volumeList_.length; i++) {
-        permutation[i] = i;
-      }
-
-      var modelIndex = 0;
-      var oldListIndex = 0;
-      var newList = [];
-      while (modelIndex < this.shortcutListModel_.length &&
-             oldListIndex < this.shortcutList_.length) {
-        var shortcutEntry = this.shortcutListModel_.item(modelIndex);
-        var cmp = this.shortcutListModel_.compare(
-            shortcutEntry, this.shortcutList_[oldListIndex].entry);
-        if (cmp > 0) {
-          // The shortcut at shortcutList_[oldListIndex] is removed.
-          permutation.push(-1);
-          oldListIndex++;
-          continue;
-        }
-
-        if (cmp === 0) {
-          // Reuse the old instance.
-          permutation.push(newList.length + this.volumeList_.length);
-          newList.push(this.shortcutList_[oldListIndex]);
-          oldListIndex++;
-        } else {
-          // We needs to create a new instance for the shortcut entry.
-          newList.push(entryToModelItem(shortcutEntry));
-        }
-        modelIndex++;
-      }
-
-      // Add remaining (new) shortcuts if necessary.
-      for (; modelIndex < this.shortcutListModel_.length; modelIndex++) {
-        var shortcutEntry = this.shortcutListModel_.item(modelIndex);
-        newList.push(entryToModelItem(shortcutEntry));
-      }
-
-      // Fill remaining permutation if necessary.
-      for (; oldListIndex < this.shortcutList_.length; oldListIndex++)
-        permutation.push(-1);
-
-      this.shortcutList_ = newList;
-    }
-
-    // Dispatch permuted event.
-    var permutedEvent = new Event('permuted');
-    permutedEvent.newLength =
-        this.volumeList_.length + this.shortcutList_.length;
-    permutedEvent.permutation = permutation;
-    this.dispatchEvent(permutedEvent);
-  };
-
-  this.volumeManager_.volumeInfoList.addEventListener(
-      'permuted', permutedHandler.bind(this, ListType.VOLUME_LIST));
-  this.shortcutListModel_.addEventListener(
-      'permuted', permutedHandler.bind(this, ListType.SHORTCUT_LIST));
-
-  // 'change' event is just ignored, because it is not fired neither in
-  // the folder shortcut list nor in the volume info list.
-  // 'splice' and 'sorted' events are not implemented, since they are not used
-  // in list.js.
-}
-
-/**
- * NavigationList inherits cr.EventTarget.
- */
-NavigationListModel.prototype = {
-  __proto__: cr.EventTarget.prototype,
-  get length() { return this.length_(); },
-  get folderShortcutList() { return this.shortcutList_; }
-};
-
-/**
- * Returns the item at the given index.
- * @param {number} index The index of the entry to get.
- * @return {NavigationModelItem} The item at the given index.
- */
-NavigationListModel.prototype.item = function(index) {
-  var offset = this.volumeList_.length;
-  if (index < offset)
-    return this.volumeList_[index];
-  return this.shortcutList_[index - offset];
-};
-
-/**
- * Returns the number of items in the model.
- * @return {number} The length of the model.
- * @private
- */
-NavigationListModel.prototype.length_ = function() {
-  return this.volumeList_.length + this.shortcutList_.length;
-};
-
-/**
- * Returns the first matching item.
- * @param {NavigationModelItem} modelItem The entry to find.
- * @param {number=} opt_fromIndex If provided, then the searching start at
- *     the {@code opt_fromIndex}.
- * @return {number} The index of the first found element or -1 if not found.
- */
-NavigationListModel.prototype.indexOf = function(modelItem, opt_fromIndex) {
-  for (var i = opt_fromIndex || 0; i < this.length; i++) {
-    if (modelItem === this.item(i))
-      return i;
-  }
-  return -1;
-};
-
-/**
- * Called externally when one of the items is not found on the filesystem.
- * @param {NavigationModelItem} modelItem The entry which is not found.
- */
-NavigationListModel.prototype.onItemNotFoundError = function(modelItem) {
-  if (modelItem.isVolume) {
-    // TODO(mtomasz, yoshiki): Implement when needed.
-    return;
-  }
-  if (modelItem.isShortcut) {
-    // For shortcuts, lets the shortcut model handle this situation.
-    this.shortcutListModel_.onItemNotFoundError(modelItem.entry);
-  }
-};