Move Files.app files to ui/file_manager

chrome/browser/resources/file_manager/foreground/js/directory_tree.js

Index: chrome/browser/resources/file_manager/foreground/js/directory_tree.js
diff --git a/chrome/browser/resources/file_manager/foreground/js/directory_tree.js b/chrome/browser/resources/file_manager/foreground/js/directory_tree.js
deleted file mode 100644
index cfb5f176790c365078a0352dce531b0b756a6b31..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/file_manager/foreground/js/directory_tree.js
+++ /dev/null
@@ -1,634 +0,0 @@
-// Copyright (c) 2013 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';
-
-////////////////////////////////////////////////////////////////////////////////
-// DirectoryTreeBase
-
-/**
- * Implementation of methods for DirectoryTree and DirectoryItem. These classes
- * inherits cr.ui.Tree/TreeItem so we can't make them inherit this class.
- * Instead, we separate their implementations to this separate object and call
- * it with setting 'this' from DirectoryTree/Item.
- */
-var DirectoryItemTreeBaseMethods = {};
-
-/**
- * Updates sub-elements of {@code this} reading {@code DirectoryEntry}.
- * The list of {@code DirectoryEntry} are not updated by this method.
- *
- * @param {boolean} recursive True if the all visible sub-directories are
- *     updated recursively including left arrows. If false, the update walks
- *     only immediate child directories without arrows.
- */
-DirectoryItemTreeBaseMethods.updateSubElementsFromList = function(recursive) {
-  var index = 0;
-  var tree = this.parentTree_ || this;  // If no parent, 'this' itself is tree.
-  while (this.entries_[index]) {
-    var currentEntry = this.entries_[index];
-    var currentElement = this.items[index];
-    var label = util.getEntryLabel(tree.volumeManager_, currentEntry);
-
-    if (index >= this.items.length) {
-      var item = new DirectoryItem(label, currentEntry, this, tree);
-      this.add(item);
-      index++;
-    } else if (util.isSameEntry(currentEntry, currentElement.entry)) {
-      if (recursive && this.expanded)
-        currentElement.updateSubDirectories(true /* recursive */);
-
-      index++;
-    } else if (currentEntry.toURL() < currentElement.entry.toURL()) {
-      var item = new DirectoryItem(label, currentEntry, this, tree);
-      this.addAt(item, index);
-      index++;
-    } else if (currentEntry.toURL() > currentElement.entry.toURL()) {
-      this.remove(currentElement);
-    }
-  }
-
-  var removedChild;
-  while (removedChild = this.items[index]) {
-    this.remove(removedChild);
-  }
-
-  if (index === 0) {
-    this.hasChildren = false;
-    this.expanded = false;
-  } else {
-    this.hasChildren = true;
-  }
-};
-
-/**
- * Finds a parent directory of the {@code entry} in {@code this}, and
- * invokes the DirectoryItem.selectByEntry() of the found directory.
- *
- * @param {DirectoryEntry|Object} entry The entry to be searched for. Can be
- *     a fake.
- * @return {boolean} True if the parent item is found.
- */
-DirectoryItemTreeBaseMethods.searchAndSelectByEntry = function(entry) {
-  for (var i = 0; i < this.items.length; i++) {
-    var item = this.items[i];
-    if (util.isDescendantEntry(item.entry, entry) ||
-        util.isSameEntry(item.entry, entry)) {
-      item.selectByEntry(entry);
-      return true;
-    }
-  }
-  return false;
-};
-
-Object.freeze(DirectoryItemTreeBaseMethods);
-
-////////////////////////////////////////////////////////////////////////////////
-// DirectoryItem
-
-/**
- * A directory in the tree. Each element represents one directory.
- *
- * @param {string} label Label for this item.
- * @param {DirectoryEntry} dirEntry DirectoryEntry of this item.
- * @param {DirectoryItem|DirectoryTree} parentDirItem Parent of this item.
- * @param {DirectoryTree} tree Current tree, which contains this item.
- * @extends {cr.ui.TreeItem}
- * @constructor
- */
-function DirectoryItem(label, dirEntry, parentDirItem, tree) {
-  var item = new cr.ui.TreeItem();
-  DirectoryItem.decorate(item, label, dirEntry, parentDirItem, tree);
-  return item;
-}
-
-/**
- * @param {HTMLElement} el Element to be DirectoryItem.
- * @param {string} label Label for this item.
- * @param {DirectoryEntry} dirEntry DirectoryEntry of this item.
- * @param {DirectoryItem|DirectoryTree} parentDirItem Parent of this item.
- * @param {DirectoryTree} tree Current tree, which contains this item.
- */
-DirectoryItem.decorate =
-    function(el, label, dirEntry, parentDirItem, tree) {
-  el.__proto__ = DirectoryItem.prototype;
-  (/** @type {DirectoryItem} */ el).decorate(
-      label, dirEntry, parentDirItem, tree);
-};
-
-DirectoryItem.prototype = {
-  __proto__: cr.ui.TreeItem.prototype,
-
-  /**
-   * The DirectoryEntry corresponding to this DirectoryItem. This may be
-   * a dummy DirectoryEntry.
-   * @type {DirectoryEntry|Object}
-   */
-  get entry() {
-    return this.dirEntry_;
-  },
-
-  /**
-   * The element containing the label text and the icon.
-   * @type {!HTMLElement}
-   * @override
-   */
-  get labelElement() {
-    return this.firstElementChild.querySelector('.label');
-  }
-};
-
-/**
- * Calls DirectoryItemTreeBaseMethods.updateSubElementsFromList().
- *
- * @param {boolean} recursive True if the all visible sub-directories are
- *     updated recursively including left arrows. If false, the update walks
- *     only immediate child directories without arrows.
- */
-DirectoryItem.prototype.updateSubElementsFromList = function(recursive) {
-  DirectoryItemTreeBaseMethods.updateSubElementsFromList.call(this, recursive);
-};
-
-/**
- * Calls DirectoryItemTreeBaseMethods.updateSubElementsFromList().
- *
- * @param {DirectoryEntry|Object} entry The entry to be searched for. Can be
- *     a fake.
- * @return {boolean} True if the parent item is found.
- */
-DirectoryItem.prototype.searchAndSelectByEntry = function(entry) {
-  return DirectoryItemTreeBaseMethods.searchAndSelectByEntry.call(this, entry);
-};
-
-/**
- * @param {string} label Localized label for this item.
- * @param {DirectoryEntry} dirEntry DirectoryEntry of this item.
- * @param {DirectoryItem|DirectoryTree} parentDirItem Parent of this item.
- * @param {DirectoryTree} tree Current tree, which contains this item.
- */
-DirectoryItem.prototype.decorate = function(
-    label, dirEntry, parentDirItem, tree) {
-  this.innerHTML =
-      '<div class="tree-row">' +
-      ' <span class="expand-icon"></span>' +
-      ' <span class="icon"></span>' +
-      ' <span class="label"></span>' +
-      '</div>' +
-      '<div class="tree-children"></div>';
-
-  this.parentTree_ = tree;
-  this.directoryModel_ = tree.directoryModel;
-  this.parent_ = parentDirItem;
-  this.label = label;
-  this.dirEntry_ = dirEntry;
-  this.fileFilter_ = this.directoryModel_.getFileFilter();
-
-  // Sets hasChildren=false tentatively. This will be overridden after
-  // scanning sub-directories in updateSubElementsFromList().
-  this.hasChildren = false;
-
-  this.addEventListener('expand', this.onExpand_.bind(this), false);
-  var icon = this.querySelector('.icon');
-  icon.classList.add('volume-icon');
-  var location = tree.volumeManager.getLocationInfo(dirEntry);
-  if (location && location.rootType && location.isRootEntry)
-    icon.setAttribute('volume-type-icon', location.rootType);
-  else
-    icon.setAttribute('file-type-icon', 'folder');
-
-  if (this.parentTree_.contextMenuForSubitems)
-    this.setContextMenu(this.parentTree_.contextMenuForSubitems);
-  // Adds handler for future change.
-  this.parentTree_.addEventListener(
-      'contextMenuForSubitemsChange',
-      function(e) { this.setContextMenu(e.newValue); }.bind(this));
-
-  if (parentDirItem.expanded)
-    this.updateSubDirectories(false /* recursive */);
-};
-
-/**
- * Overrides WebKit's scrollIntoViewIfNeeded, which doesn't work well with
- * a complex layout. This call is not necessary, so we are ignoring it.
- *
- * @param {boolean} unused Unused.
- * @override
- */
-DirectoryItem.prototype.scrollIntoViewIfNeeded = function(unused) {
-};
-
-/**
- * Removes the child node, but without selecting the parent item, to avoid
- * unintended changing of directories. Removing is done externally, and other
- * code will navigate to another directory.
- *
- * @param {!cr.ui.TreeItem} child The tree item child to remove.
- * @override
- */
-DirectoryItem.prototype.remove = function(child) {
-  this.lastElementChild.removeChild(child);
-  if (this.items.length == 0)
-    this.hasChildren = false;
-};
-
-/**
- * Invoked when the item is being expanded.
- * @param {!UIEvent} e Event.
- * @private
- **/
-DirectoryItem.prototype.onExpand_ = function(e) {
-  this.updateSubDirectories(
-      true /* recursive */,
-      function() {},
-      function() {
-        this.expanded = false;
-      }.bind(this));
-
-  e.stopPropagation();
-};
-
-/**
- * Invoked when the tree item is clicked.
- *
- * @param {Event} e Click event.
- * @override
- */
-DirectoryItem.prototype.handleClick = function(e) {
-  cr.ui.TreeItem.prototype.handleClick.call(this, e);
-
-  if (e.target.classList.contains('expand-icon'))
-    return;
-
-  var currentDirectoryEntry = this.directoryModel_.getCurrentDirEntry();
-  if (currentDirectoryEntry &&
-      util.isSameEntry(this.entry, currentDirectoryEntry)) {
-    // On clicking the current directory, clears the selection on the file list.
-    this.directoryModel_.clearSelection();
-  } else {
-    // Otherwise, changes the current directory.
-    this.directoryModel_.changeDirectoryEntry(this.entry);
-  }
-};
-
-/**
- * Retrieves the latest subdirectories and update them on the tree.
- * @param {boolean} recursive True if the update is recursively.
- * @param {function()=} opt_successCallback Callback called on success.
- * @param {function()=} opt_errorCallback Callback called on error.
- */
-DirectoryItem.prototype.updateSubDirectories = function(
-    recursive, opt_successCallback, opt_errorCallback) {
-  if (util.isFakeEntry(this.entry)) {
-    if (opt_errorCallback)
-      opt_errorCallback();
-    return;
-  }
-
-  var sortEntries = function(fileFilter, entries) {
-    entries.sort(function(a, b) {
-      return (a.name.toLowerCase() > b.name.toLowerCase()) ? 1 : -1;
-    });
-    return entries.filter(fileFilter.filter.bind(fileFilter));
-  };
-
-  var onSuccess = function(entries) {
-    this.entries_ = entries;
-    this.redrawSubDirectoryList_(recursive);
-    opt_successCallback && opt_successCallback();
-  }.bind(this);
-
-  var reader = this.entry.createReader();
-  var entries = [];
-  var readEntry = function() {
-    reader.readEntries(function(results) {
-      if (!results.length) {
-        onSuccess(sortEntries(this.fileFilter_, entries));
-        return;
-      }
-
-      for (var i = 0; i < results.length; i++) {
-        var entry = results[i];
-        if (entry.isDirectory)
-          entries.push(entry);
-      }
-      readEntry();
-    }.bind(this));
-  }.bind(this);
-  readEntry();
-};
-
-/**
- * Searches for the changed directory in the current subtree, and if it is found
- * then updates it.
- *
- * @param {DirectoryEntry} changedDirectoryEntry The entry ot the changed
- *     directory.
- */
-DirectoryItem.prototype.updateItemByEntry = function(changedDirectoryEntry) {
-  if (util.isSameEntry(changedDirectoryEntry, this.entry)) {
-    this.updateSubDirectories(false /* recursive */);
-    return;
-  }
-
-  // Traverse the entire subtree to find the changed element.
-  for (var i = 0; i < this.items.length; i++) {
-    var item = this.items[i];
-    if (util.isDescendantEntry(item.entry, changedDirectoryEntry)) {
-      item.updateItemByEntry(changedDirectoryEntry);
-      break;
-    }
-  }
-};
-
-/**
- * Redraw subitems with the latest information. The items are sorted in
- * alphabetical order, case insensitive.
- * @param {boolean} recursive True if the update is recursively.
- * @private
- */
-DirectoryItem.prototype.redrawSubDirectoryList_ = function(recursive) {
-  this.updateSubElementsFromList(recursive);
-};
-
-/**
- * Select the item corresponding to the given {@code entry}.
- * @param {DirectoryEntry|Object} entry The entry to be selected. Can be a fake.
- */
-DirectoryItem.prototype.selectByEntry = function(entry) {
-  if (util.isSameEntry(entry, this.entry)) {
-    this.selected = true;
-    return;
-  }
-
-  if (this.searchAndSelectByEntry(entry))
-    return;
-
-  // If the entry doesn't exist, updates sub directories and tries again.
-  this.updateSubDirectories(
-      false /* recursive */,
-      this.searchAndSelectByEntry.bind(this, entry));
-};
-
-/**
- * Executes the assigned action as a drop target.
- */
-DirectoryItem.prototype.doDropTargetAction = function() {
-  this.expanded = true;
-};
-
-/**
- * Sets the context menu for directory tree.
- * @param {cr.ui.Menu} menu Menu to be set.
- */
-DirectoryItem.prototype.setContextMenu = function(menu) {
-  var tree = this.parentTree_ || this;  // If no parent, 'this' itself is tree.
-  var locationInfo = tree.volumeManager_.getLocationInfo(this.entry);
-  if (locationInfo && locationInfo.isEligibleForFolderShortcut)
-    cr.ui.contextMenuHandler.setContextMenu(this, menu);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// DirectoryTree
-
-/**
- * Tree of directories on the middle bar. This element is also the root of
- * items, in other words, this is the parent of the top-level items.
- *
- * @constructor
- * @extends {cr.ui.Tree}
- */
-function DirectoryTree() {}
-
-/**
- * Decorates an element.
- * @param {HTMLElement} el Element to be DirectoryTree.
- * @param {DirectoryModel} directoryModel Current DirectoryModel.
- * @param {VolumeManagerWrapper} volumeManager VolumeManager of the system.
- */
-DirectoryTree.decorate = function(el, directoryModel, volumeManager) {
-  el.__proto__ = DirectoryTree.prototype;
-  (/** @type {DirectoryTree} */ el).decorate(directoryModel, volumeManager);
-};
-
-DirectoryTree.prototype = {
-  __proto__: cr.ui.Tree.prototype,
-
-  // DirectoryTree is always expanded.
-  get expanded() { return true; },
-  /**
-   * @param {boolean} value Not used.
-   */
-  set expanded(value) {},
-
-  /**
-   * The DirectoryEntry corresponding to this DirectoryItem. This may be
-   * a dummy DirectoryEntry.
-   * @type {DirectoryEntry|Object}
-   * @override
-   **/
-  get entry() {
-    return this.dirEntry_;
-  },
-
-  /**
-   * The DirectoryModel this tree corresponds to.
-   * @type {DirectoryModel}
-   */
-  get directoryModel() {
-    return this.directoryModel_;
-  },
-
-  /**
-   * The VolumeManager instance of the system.
-   * @type {VolumeManager}
-   */
-  get volumeManager() {
-    return this.volumeManager_;
-  },
-};
-
-cr.defineProperty(DirectoryTree, 'contextMenuForSubitems', cr.PropertyKind.JS);
-
-/**
- * Calls DirectoryItemTreeBaseMethods.updateSubElementsFromList().
- *
- * @param {boolean} recursive True if the all visible sub-directories are
- *     updated recursively including left arrows. If false, the update walks
- *     only immediate child directories without arrows.
- */
-DirectoryTree.prototype.updateSubElementsFromList = function(recursive) {
-  DirectoryItemTreeBaseMethods.updateSubElementsFromList.call(this, recursive);
-};
-
-/**
- * Calls DirectoryItemTreeBaseMethods.updateSubElementsFromList().
- *
- * @param {DirectoryEntry|Object} entry The entry to be searched for. Can be
- *     a fake.
- * @return {boolean} True if the parent item is found.
- */
-DirectoryTree.prototype.searchAndSelectByEntry = function(entry) {
-  return DirectoryItemTreeBaseMethods.searchAndSelectByEntry.call(this, entry);
-};
-
-/**
- * Decorates an element.
- * @param {DirectoryModel} directoryModel Current DirectoryModel.
- * @param {VolumeManagerWrapper} volumeManager VolumeManager of the system.
- */
-DirectoryTree.prototype.decorate = function(directoryModel, volumeManager) {
-  cr.ui.Tree.prototype.decorate.call(this);
-
-  this.sequence_ = 0;
-  this.directoryModel_ = directoryModel;
-  this.volumeManager_ = volumeManager;
-  this.entries_ = [];
-  this.currentVolumeInfo_ = null;
-
-  this.fileFilter_ = this.directoryModel_.getFileFilter();
-  this.fileFilter_.addEventListener('changed',
-                                    this.onFilterChanged_.bind(this));
-
-  this.directoryModel_.addEventListener('directory-changed',
-      this.onCurrentDirectoryChanged_.bind(this));
-
-  this.privateOnDirectoryChangedBound_ =
-      this.onDirectoryContentChanged_.bind(this);
-  chrome.fileBrowserPrivate.onDirectoryChanged.addListener(
-      this.privateOnDirectoryChangedBound_);
-
-  this.scrollBar_ = MainPanelScrollBar();
-  this.scrollBar_.initialize(this.parentNode, this);
-};
-
-/**
- * Select the item corresponding to the given entry.
- * @param {DirectoryEntry|Object} entry The directory entry to be selected. Can
- *     be a fake.
- */
-DirectoryTree.prototype.selectByEntry = function(entry) {
-  // If the target directory is not in the tree, do nothing.
-  var locationInfo = this.volumeManager_.getLocationInfo(entry);
-  if (!locationInfo || !locationInfo.isDriveBased)
-    return;
-
-  var volumeInfo = this.volumeManager_.getVolumeInfo(entry);
-  if (this.selectedItem && util.isSameEntry(entry, this.selectedItem.entry))
-    return;
-
-  if (this.searchAndSelectByEntry(entry))
-    return;
-
-  this.updateSubDirectories(false /* recursive */);
-  var currentSequence = ++this.sequence_;
-  volumeInfo.resolveDisplayRoot(function() {
-    if (this.sequence_ !== currentSequence)
-      return;
-    if (!this.searchAndSelectByEntry(entry))
-      this.selectedItem = null;
-  }.bind(this));
-};
-
-/**
- * Retrieves the latest subdirectories and update them on the tree.
- *
- * @param {boolean} recursive True if the update is recursively.
- * @param {function()=} opt_callback Called when subdirectories are fully
- *     updated.
- */
-DirectoryTree.prototype.updateSubDirectories = function(
-    recursive, opt_callback) {
-  var callback = opt_callback || function() {};
-  this.entries_ = [];
-
-  var compareEntries = function(a, b) {
-    return a.toURL() < b.toURL();
-  };
-
-  // Add fakes (if any).
-  for (var key in this.currentVolumeInfo_.fakeEntries) {
-    this.entries_.push(this.currentVolumeInfo_.fakeEntries[key]);
-  }
-
-  // If the display root is not available yet, then redraw anyway with what
-  // we have. However, concurrently try to resolve the display root and then
-  // redraw.
-  if (!this.currentVolumeInfo_.displayRoot) {
-    this.entries_.sort(compareEntries);
-    this.redraw(recursive);
-  }
-
-  this.currentVolumeInfo_.resolveDisplayRoot(function(displayRoot) {
-    this.entries_.push(this.currentVolumeInfo_.displayRoot);
-    this.entries_.sort(compareEntries);
-    this.redraw(recursive);  // Redraw.
-    callback();
-  }.bind(this), callback /* Ignore errors. */);
-};
-
-/**
- * Redraw the list.
- * @param {boolean} recursive True if the update is recursively. False if the
- *     only root items are updated.
- */
-DirectoryTree.prototype.redraw = function(recursive) {
-  this.updateSubElementsFromList(recursive);
-};
-
-/**
- * Invoked when the filter is changed.
- * @private
- */
-DirectoryTree.prototype.onFilterChanged_ = function() {
-  // Returns immediately, if the tree is hidden.
-  if (this.hidden)
-    return;
-
-  this.redraw(true /* recursive */);
-};
-
-/**
- * Invoked when a directory is changed.
- * @param {!UIEvent} event Event.
- * @private
- */
-DirectoryTree.prototype.onDirectoryContentChanged_ = function(event) {
-  if (event.eventType !== 'changed')
-    return;
-
-  var locationInfo = this.volumeManager_.getLocationInfo(event.entry);
-  if (!locationInfo || !locationInfo.isDriveBased)
-    return;
-
-  var myDriveItem = this.items[0];
-  if (myDriveItem)
-    myDriveItem.updateItemByEntry(event.entry);
-};
-
-/**
- * Invoked when the current directory is changed.
- * @param {!UIEvent} event Event.
- * @private
- */
-DirectoryTree.prototype.onCurrentDirectoryChanged_ = function(event) {
-  this.currentVolumeInfo_ =
-      this.volumeManager_.getVolumeInfo(event.newDirEntry);
-  this.selectByEntry(event.newDirEntry);
-};
-
-/**
- * Sets the margin height for the transparent preview panel at the bottom.
- * @param {number} margin Margin to be set in px.
- */
-DirectoryTree.prototype.setBottomMarginForPanel = function(margin) {
-  this.style.paddingBottom = margin + 'px';
-  this.scrollBar_.setBottomMarginForPanel(margin);
-};
-
-/**
- * Updates the UI after the layout has changed.
- */
-DirectoryTree.prototype.relayout = function() {
-  cr.dispatchSimpleEvent(this, 'relayout');
-};