1 files changed, 81 insertions, 0 deletions
diff --git a/chrome/browser/resources/options/chromeos/pointer_overlay.js b/chrome/browser/resources/options/chromeos/pointer_overlay.js
new file mode 100644
index 0000000..eaeaf94
--- /dev/null
+++ b/chrome/browser/resources/options/chromeos/pointer_overlay.js
@@ -0,0 +1,81 @@
+// 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 SettingsDialog = options.SettingsDialog;
+
+  /**
+   * PointerOverlay class
+   * Dialog that allows users to set pointer settings (touchpad/mouse).
+   * @extends {SettingsDialog}
+   */
+  function PointerOverlay() {
+    // The title is updated dynamically in the setTitle method as pointer
+    // devices are discovered or removed.
+    SettingsDialog.call(this, 'pointer-overlay',
+                        '', 'pointer-overlay',
+                        $('pointer-overlay-confirm'),
+                        $('pointer-overlay-cancel'));
+  }
+
+  cr.addSingletonGetter(PointerOverlay);
+
+  PointerOverlay.prototype = {
+    __proto__: SettingsDialog.prototype,
+
+    /**
+     * Initialize the page.
+     */
+    initializePage: function() {
+      // Call base class implementation to start preference initialization.
+      SettingsDialog.prototype.initializePage.call(this);
+    },
+  };
+
+  /**
+   * Sets the visibility state of the touchpad group.
+   * @param {boolean} show True to show, false to hide.
+   */
+  PointerOverlay.showTouchpadControls = function(show) {
+    $('pointer-section-touchpad').hidden = !show;
+  };
+
+  /**
+   * Sets the visibility state of the mouse group.
+   * @param {boolean} show True to show, false to hide.
+   */
+  PointerOverlay.showMouseControls = function(show) {
+    $('pointer-section-mouse').hidden = !show;
+  };
+
+  /**
+   * Updates the title of the pointer dialog.  The title is set dynamically
+   * based on whether a touchpad, mouse or both are present.  The label on the
+   * button that activates the overlay is also updated to stay in sync. A
+   * message is displayed in the main settings page if no pointer devices are
+   * available.
+   * @param {String} label i18n key for the overlay title.
+   */
+  PointerOverlay.setTitle = function(label) {
+    var header = $('pointer-overlay-title');
+    var button = $('pointer-settings-button');
+    var noPointersLabel = $('no-pointing-devices');
+    if (label.length > 0) {
+      var title = loadTimeData.getString(label);
+      header.textContent = title;
+      button.textContent = title;
+      button.hidden = false;
+      noPointersLabel.hidden = true;
+    } else {
+      header.textContent = '';
+      button.hidden = true;
+      noPointersLabel.hidden = false;
+    }
+  };
+
+  // Export
+  return {
+    PointerOverlay: PointerOverlay
+  };
+});