Options: Rename chrome/browser/resources/options2 -> chrome/browser/resources/options.

chrome/browser/resources/options2/home_page_overlay.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.
-
-cr.define('options', function() {
-  /** @const */ var OptionsPage = options.OptionsPage;
-  /** @const */ var SettingsDialog = options.SettingsDialog;
-
-  /**
-   * HomePageOverlay class
-   * Dialog that allows users to set the home page.
-   * @extends {SettingsDialog}
-   */
-  function HomePageOverlay() {
-    SettingsDialog.call(this, 'homePageOverlay',
-                        loadTimeData.getString('homePageOverlayTabTitle'),
-                        'home-page-overlay',
-                        $('home-page-confirm'), $('home-page-cancel'));
-  }
-
-  cr.addSingletonGetter(HomePageOverlay);
-
-  HomePageOverlay.prototype = {
-    __proto__: SettingsDialog.prototype,
-
-    /**
-     * An autocomplete list that can be attached to the home page URL field.
-     * @type {cr.ui.AutocompleteList}
-     * @private
-     */
-    autocompleteList_: null,
-
-    /**
-     * Initialize the page.
-     */
-    initializePage: function() {
-      // Call base class implementation to start preference initialization.
-      SettingsDialog.prototype.initializePage.call(this);
-
-      var self = this;
-      $('homepage-use-ntp').onchange = this.updateHomePageInput_.bind(this);
-      $('homepage-use-url').onchange = this.updateHomePageInput_.bind(this);
-
-      var urlField = $('homepage-url-field');
-      urlField.addEventListener('keydown', function(event) {
-        // Focus the 'OK' button when the user hits enter since people expect
-        // feedback indicating that they are done editing.
-        if (event.keyIdentifier == 'Enter' && self.autocompleteList_.hidden)
-          $('home-page-confirm').focus();
-      });
-      urlField.addEventListener('change', this.updateFavicon_.bind(this));
-
-      var suggestionList = new cr.ui.AutocompleteList();
-      suggestionList.autoExpands = true;
-      suggestionList.suggestionUpdateRequestCallback =
-          this.requestAutocompleteSuggestions_.bind(this);
-      $('home-page-overlay').appendChild(suggestionList);
-      this.autocompleteList_ = suggestionList;
-
-      urlField.addEventListener('focus', function(event) {
-        self.autocompleteList_.attachToInput(urlField);
-      });
-      urlField.addEventListener('blur', function(event) {
-        self.autocompleteList_.detach();
-      });
-
-      // Text fields may change widths when the window changes size, so make
-      // sure the suggestion list stays in sync.
-      window.addEventListener('resize', function() {
-        self.autocompleteList_.syncWidthToInput();
-      });
-    },
-
-    /** @inheritDoc */
-    didShowPage: function() {
-      this.updateHomePageInput_();
-      this.updateFavicon_();
-    },
-
-    /**
-     * Updates the state of the homepage text input. The input is enabled only
-     * if the |homepage-use-url| radio button is checked.
-     * @private
-     */
-    updateHomePageInput_: function() {
-      var urlField = $('homepage-url-field');
-      var homePageUseURL = $('homepage-use-url');
-      urlField.setDisabled('radio-choice', !homePageUseURL.checked);
-    },
-
-    /**
-     * Updates the background of the url field to show the favicon for the
-     * URL that is currently typed in.
-     * @private
-     */
-    updateFavicon_: function() {
-      var urlField = $('homepage-url-field');
-      urlField.style.backgroundImage = url('chrome://favicon/' +
-                                           urlField.value);
-    },
-
-    /**
-     * Sends an asynchronous request for new autocompletion suggestions for the
-     * the given query. When new suggestions are available, the C++ handler will
-     * call updateAutocompleteSuggestions_.
-     * @param {string} query List of autocomplete suggestions.
-     * @private
-     */
-    requestAutocompleteSuggestions_: function(query) {
-      chrome.send('requestAutocompleteSuggestionsForHomePage', [query]);
-    },
-
-    /**
-     * Updates the autocomplete suggestion list with the given entries.
-     * @param {Array} pages List of autocomplete suggestions.
-     * @private
-     */
-    updateAutocompleteSuggestions_: function(suggestions) {
-      var list = this.autocompleteList_;
-      // If the trigger for this update was a value being selected from the
-      // current list, do nothing.
-      if (list.targetInput && list.selectedItem &&
-          list.selectedItem['url'] == list.targetInput.value)
-        return;
-      list.suggestions = suggestions;
-    },
-
-    /**
-     * Sets the 'show home button' and 'home page is new tab page' preferences.
-     * (The home page url preference is set automatically by the SettingsDialog
-     * code.)
-     */
-    handleConfirm: function() {
-      // Strip whitespace.
-      var urlField = $('homepage-url-field');
-      var homePageValue = urlField.value.replace(/\s*/g, '');
-      urlField.value = homePageValue;
-
-      // Don't save an empty URL for the home page. If the user left the field
-      // empty, switch to the New Tab page.
-      if (!homePageValue)
-        $('homepage-use-ntp').checked = true;
-
-      SettingsDialog.prototype.handleConfirm.call(this);
-    },
-  };
-
-  HomePageOverlay.updateAutocompleteSuggestions = function() {
-    var instance = HomePageOverlay.getInstance();
-    instance.updateAutocompleteSuggestions_.apply(instance, arguments);
-  };
-
-  // Export
-  return {
-    HomePageOverlay: HomePageOverlay
-  };
-});