[Files.app] Split the JavaScript files into subdirectories: common, background, and foreground

chrome/browser/resources/file_manager/js/commandbutton.js

-// 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';
-
-/**
- * @fileoverview This implements a common button control, bound to command.
- */
-
-/**
- * Creates a new button element.
- * @param {Object=} opt_propertyBag Optional properties.
- * @constructor
- * @extends {HTMLDivElement}
- */
- var CommandButton = cr.ui.define('button');
-
-/** @override */
-CommandButton.prototype.__proto__ = HTMLButtonElement.prototype;
-
-/**
- * Associated command.
- * @type {Command}
- * @private
- */
-CommandButton.prototype.command_ = null;
-
-/**
- * Initializes the menu item.
- */
-CommandButton.prototype.decorate = function() {
-  var commandId;
-  if ((commandId = this.getAttribute('command')))
-    this.setCommand(commandId);
-
-  this.addEventListener('click', this.handleClick_.bind(this));
-  this.addEventListener('keypress', this.handleKeyPress_.bind(this));
-};
-
-/**
- * Returns associated command.
- * @return {cr.ui.Command} associated command.
- */
-CommandButton.prototype.getCommand = function() {
-  return this.command_;
-};
-
-/**
- * Associates command with this button.
- * @param {string|cr.ui.Command} command Command id, or command object to
- * associate with this button.
- */
-CommandButton.prototype.setCommand = function(command) {
-  if (this.command_) {
-    this.command_.removeEventListener('labelChange', this);
-    this.command_.removeEventListener('disabledChange', this);
-    this.command_.removeEventListener('hiddenChange', this);
-  }
-
-  if (typeof command == 'string' && command[0] == '#') {
-    command = this.ownerDocument.getElementById(command.slice(1));
-    cr.ui.decorate(command, cr.ui.Command);
-  }
-
-  this.command_ = command;
-  if (command) {
-    if (command.id)
-      this.setAttribute('command', '#' + command.id);
-
-    this.setLabel(command.label);
-    this.disabled = command.disabled;
-    this.hidden = command.hidden;
-
-    this.command_.addEventListener('labelChange', this);
-    this.command_.addEventListener('disabledChange', this);
-    this.command_.addEventListener('hiddenChange', this);
-  }
-};
-
-/**
- * Returns button label
- * @return {string} Button label.
- */
-CommandButton.prototype.getLabel = function() {
-  return this.textContent;
-};
-
-/**
- * Sets button label.
- * @param {string} label New button label.
- */
-CommandButton.prototype.setLabel = function(label) {
-  this.textContent = label;
-};
-
-/**
- * Handles click event and dispatches associated command.
- * @param {Event} e The mouseup event object.
- * @private
- */
-CommandButton.prototype.handleClick_ = function(e) {
-  if (!this.disabled && this.command_)
-    this.command_.execute(this);
-};
-
-/**
- * Handles keypress event and dispatches associated command.
- * @param {Event} e The mouseup event object.
- * @private
- */
-CommandButton.prototype.handleKeyPress_ = function(e) {
-  if (!this.command_) return;
-
-  switch (util.getKeyModifiers(e) + e.keyCode) {
-    case '13':  // Enter
-    case '32':  // Space
-      this.command_.execute(this);
-      break;
-  }
-};
-
-/**
- * Handles changes to the associated command.
- * @param {Event} e The event object.
- */
-CommandButton.prototype.handleEvent = function(e) {
-  switch (e.type) {
-    case 'disabledChange':
-      this.disabled = this.command_.disabled;
-      break;
-    case 'hiddenChange':
-      this.hidden = this.command_.hidden;
-      break;
-    case 'labelChange':
-      this.setLabel(this.command_.label);
-      break;
-  }
-};
-
-/**
- * Whether the button is disabled or not.
- * @type {boolean}
- */
-cr.defineProperty(CommandButton, 'disabled',
-                  cr.PropertyKind.BOOL_ATTR);
-
-/**
- * Whether the button is hidden or not.
- * @type {boolean}
- */
-cr.defineProperty(CommandButton, 'hidden',
-                  cr.PropertyKind.BOOL_ATTR);