1 files changed, 208 insertions, 0 deletions
diff --git a/chromium/chrome/browser/resources/chromeos/chromevox/extensions/searchvox/search_tools.js b/chromium/chrome/browser/resources/chromeos/chromevox/extensions/searchvox/search_tools.js
new file mode 100644
index 00000000000..8ed3bdb151c
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+++ b/chromium/chrome/browser/resources/chromeos/chromevox/extensions/searchvox/search_tools.js
@@ -0,0 +1,208 @@
+// 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.
+
+
+/**
+ * @fileoverview Uses ChromeVox API to access the search tools menu.
+ */
+
+goog.provide('cvox.SearchTool');
+
+goog.require('cvox.ChromeVox');
+goog.require('cvox.DomUtil');
+goog.require('cvox.Search');
+goog.require('cvox.SearchConstants');
+goog.require('cvox.SearchUtil');
+
+/**
+ * @constructor
+ */
+cvox.SearchTool = function() {
+};
+
+/**
+ * Index of the current menu in focus.
+ * @type {number}
+ */
+cvox.SearchTool.menuIndex;
+
+/**
+ * Array of menus.
+ * @type {Array.<Node>}
+ */
+cvox.SearchTool.menus = [];
+
+/**
+ * Index of the current menu item in focus.
+ * @type {number}
+ */
+cvox.SearchTool.menuItemIndex;
+
+/**
+ * Array of menu items for the current menu.
+ * @type {Array.<Node>}
+ */
+cvox.SearchTool.menuItems = [];
+
+/**
+ * Id of the clear button.
+ * @type {string}
+ */
+cvox.SearchTool.CLEAR_ID = 'hdtb_rst';
+
+/**
+ * Toggles a menu open / close by simulating a click.
+ */
+cvox.SearchTool.toggleMenu = function() {
+  var menu = cvox.SearchTool.menus[cvox.SearchTool.menuIndex];
+  var menuDiv = menu.previousSibling;
+  cvox.DomUtil.clickElem(menuDiv, false, false, false);
+};
+
+/**
+ * Syncs the first item in the current menu to ChromeVox.
+ */
+cvox.SearchTool.syncToMenu = function() {
+  cvox.SearchTool.menuItemIndex = 0;
+  cvox.SearchTool.toggleMenu();
+  cvox.SearchTool.populateMenuItems();
+  cvox.SearchTool.syncToMenuItem();
+};
+
+/**
+ * Syncs the current menu item to ChromeVox.
+ */
+cvox.SearchTool.syncToMenuItem = function() {
+  var menuItem = cvox.SearchTool.menuItems[cvox.SearchTool.menuItemIndex];
+  cvox.ChromeVox.syncToNode(menuItem, true);
+};
+
+/**
+ * Fills in menuItems with the current menu's items.
+ */
+cvox.SearchTool.populateMenuItems = function() {
+  var menu = cvox.SearchTool.menus[cvox.SearchTool.menuIndex];
+  cvox.SearchTool.menuItems = [];
+  /* For now, we just special case on the clear button. */
+  if (menu.id !== cvox.SearchTool.CLEAR_ID) {
+    var MENU_ITEM_SELECTOR = '.hdtbItm';
+    var menuItemNodeList = menu.querySelectorAll(MENU_ITEM_SELECTOR);
+    for (var i = 0; i < menuItemNodeList.length; i++) {
+      cvox.SearchTool.menuItems.push(menuItemNodeList.item(i));
+    }
+  } else {
+    cvox.SearchTool.menuItems = [];
+    cvox.SearchTool.menuItems.push(menu);
+  }
+};
+
+/**
+ * Fills in menus with the menus of the page.
+ */
+cvox.SearchTool.populateMenus = function() {
+  var MENU_SELECTOR = '.hdtbU';
+  var menuDivs = document.querySelectorAll(MENU_SELECTOR);
+  for (var i = 0; i < menuDivs.length; i++) {
+    cvox.SearchTool.menus.push(menuDivs.item(i));
+  }
+
+  var clearDiv = document.getElementById(cvox.SearchTool.CLEAR_ID);
+  if (clearDiv) {
+    cvox.SearchTool.menus.push(clearDiv);
+  }
+};
+
+/**
+ * Switches focus to the tools interface, giving keyboard access.
+ */
+cvox.SearchTool.activateTools = function() {
+  var MENU_BAR_SELECTOR = '#hdtbMenus';
+  var menuBar = document.querySelector(MENU_BAR_SELECTOR);
+  var MENUS_OPEN_CLASS = 'hdtb-td-o';
+  menuBar.className = MENUS_OPEN_CLASS;
+
+  cvox.SearchTool.populateMenus();
+  cvox.SearchTool.menuIndex = 0;
+  cvox.SearchTool.syncToMenu();
+};
+
+/**
+ * Goes to the link of the current menu item action.
+ */
+cvox.SearchTool.gotoMenuItem = function() {
+  var menuItem = cvox.SearchTool.menuItems[cvox.SearchTool.menuItemIndex];
+  var LOCATION_INPUT_ID = '#lc-input';
+  var input = menuItem.querySelector(LOCATION_INPUT_ID);
+  /* Special case for setting location. */
+  if (input) {
+    input.focus();
+    return;
+  }
+
+  /* Custom Date Range. */
+  var CDR_ID = 'cdr_opt';
+  switch (menuItem.id) {
+  case cvox.SearchTool.CLEAR_ID:
+    window.location = menuItem.dataset.url;
+    break;
+  case CDR_ID:
+    var CDR_LINK_SELECTOR = '#cdrlnk';
+    var cdrLink = menuItem.querySelector(CDR_LINK_SELECTOR);
+    cvox.DomUtil.clickElem(cdrLink, false, false, false);
+    cvox.SearchTool.toggleMenu();
+    break;
+  default:
+    window.location = cvox.SearchUtil.extractURL(menuItem);
+    break;
+  }
+};
+
+/**
+ * Handles key events for the tools interface.
+ * @param {Event} evt Keydown event.
+ * @return {boolean} True if key was handled, false otherwise.
+ */
+cvox.SearchTool.keyhandler = function(evt) {
+  if (cvox.SearchUtil.isSearchWidgetActive()) {
+    return false;
+  }
+
+  switch (evt.keyCode) {
+  case cvox.SearchConstants.KeyCode.UP:
+    cvox.SearchTool.menuItemIndex = cvox.SearchUtil.subOneWrap(
+      cvox.SearchTool.menuItemIndex, cvox.SearchTool.menuItems.length);
+    cvox.SearchTool.syncToMenuItem();
+    break;
+
+  case cvox.SearchConstants.KeyCode.DOWN:
+    cvox.SearchTool.menuItemIndex = cvox.SearchUtil.addOneWrap(
+      cvox.SearchTool.menuItemIndex, cvox.SearchTool.menuItems.length);
+    cvox.SearchTool.syncToMenuItem();
+    break;
+
+  case cvox.SearchConstants.KeyCode.LEFT:
+    cvox.SearchTool.toggleMenu();
+    cvox.SearchTool.menuIndex = cvox.SearchUtil.subOneWrap(
+      cvox.SearchTool.menuIndex, cvox.SearchTool.menus.length);
+    cvox.SearchTool.syncToMenu();
+    break;
+
+  case cvox.SearchConstants.KeyCode.RIGHT:
+    cvox.SearchTool.toggleMenu();
+    cvox.SearchTool.menuIndex = cvox.SearchUtil.addOneWrap(
+      cvox.SearchTool.menuIndex, cvox.SearchTool.menus.length);
+    cvox.SearchTool.syncToMenu();
+    break;
+
+  case cvox.SearchConstants.KeyCode.ENTER:
+    cvox.SearchTool.gotoMenuItem();
+    break;
+
+  default:
+    return false;
+  }
+  evt.preventDefault();
+  evt.stopPropagation();
+  return true;
+};