Move preview panel's components to toolbar and footer.

ui/file_manager/file_manager/foreground/js/preview_panel_model.js

Index: ui/file_manager/file_manager/foreground/js/preview_panel_model.js
diff --git a/ui/file_manager/file_manager/foreground/js/preview_panel_model.js b/ui/file_manager/file_manager/foreground/js/preview_panel_model.js
deleted file mode 100644
index c696ec6eeb8e448f47571d3c281f9537e9f3ed40..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/foreground/js/preview_panel_model.js
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright 2014 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.
-
-/**
- * @param {PreviewPanelModel.VisibilityType} initialVisibilityType
- * @extends {cr.EventTarget}
- * @constructor
- * @struct
- * @suppress {checkStructDictInheritance}
- */
-function PreviewPanelModel(initialVisibilityType) {
-  cr.EventTarget.call(this);
-
-  /**
-   * @type {!PreviewPanelModel.VisibilityType}
-   * @private
-   */
-  this.visibilityType_ = initialVisibilityType;
-
-  /**
-   * @type {!Array<!cr.ui.Command>}
-   * @const
-   * @private
-   */
-  this.autoVisibilityCommands_ = Array.prototype.slice.call(
-      document.querySelectorAll('command.auto-visibility'));
-  cr.ui.decorate('command.auto-visibility', cr.ui.Command);
-
-  /**
-   * FileSelection to be displayed.
-   * @type {FileSelection}
-   * @private
-   */
-  this.selection_ = /** @type {FileSelection} */
-      ({entries: [], computeBytes: function() {}, totalCount: 0});
-
-  /**
-   * Visibility type of the preview panel.
-   * @type {boolean}
-   * @private
-   */
-  this.visible = false;
-
-  for (var i = 0; i < this.autoVisibilityCommands_.length; i++) {
-    this.autoVisibilityCommands_[i].addEventListener(
-        'hiddenChange', this.updateVisibility_.bind(this));
-  }
-  this.updateVisibility_();
-}
-
-PreviewPanelModel.prototype.__proto__ = cr.EventTarget.prototype;
-
-/**
- * Visibility type of the preview panel.
- * @enum {string}
- * @const
- */
-PreviewPanelModel.VisibilityType = {
-  // Preview panel always shows.
-  ALWAYS_VISIBLE: 'alwaysVisible',
-  // Preview panel shows when the selection property are set.
-  AUTO: 'auto',
-  // Preview panel does not show.
-  ALWAYS_HIDDEN: 'alwaysHidden'
-};
-
-/**
- * @enum {string}
- */
-PreviewPanelModel.EventType = {
-  CHANGE: 'change'
-};
-
-PreviewPanelModel.prototype.setSelection = function(selection) {
-  this.selection_ = selection;
-  this.updateVisibility_();
-};
-
-PreviewPanelModel.prototype.setVisibilityType = function(type) {
-  this.visibilityType_ = type;
-  this.updateVisibility_();
-};
-
-PreviewPanelModel.prototype.updateVisibility_ = function() {
-  // Get the new visibility value.
-  var newVisible = true;
-  switch (this.visibilityType_) {
-    case PreviewPanelModel.VisibilityType.ALWAYS_VISIBLE:
-      newVisible = true;
-      break;
-    case PreviewPanelModel.VisibilityType.AUTO:
-      newVisible =
-          this.selection_.entries.length !== 0 ||
-          this.autoVisibilityCommands_.some(function(command) {
-            return !command.hidden;
-          });
-      break;
-    case PreviewPanelModel.VisibilityType.ALWAYS_HIDDEN:
-      newVisible = false;
-      break;
-    default:
-      assertNotReached();
-  }
-
-  // If the visibility has been already the new value, just return.
-  if (this.visible === newVisible)
-    return;
-
-  // Set the new visibility value.
-  this.visible = newVisible;
-  cr.dispatchSimpleEvent(this, PreviewPanelModel.EventType.CHANGE);
-};