Add an accessibility API for events raised outside of the web content.

chrome/browser/gtk/options/options_window_gtk.cc

Index: chrome/browser/gtk/options/options_window_gtk.cc
===================================================================
--- chrome/browser/gtk/options/options_window_gtk.cc	(revision 37511)
+++ chrome/browser/gtk/options/options_window_gtk.cc	(working copy)
@@ -8,15 +8,19 @@
 
 #include "app/l10n_util.h"
 #include "base/message_loop.h"
+#include "base/scoped_ptr.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_window.h"
+#include "chrome/browser/gtk/accessible_widget_helper_gtk.h"
 #include "chrome/browser/gtk/options/advanced_page_gtk.h"
 #include "chrome/browser/gtk/options/content_page_gtk.h"
 #include "chrome/browser/gtk/options/general_page_gtk.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/window_sizer.h"
+#include "chrome/common/accessibility_events.h"
 #include "chrome/common/gtk_util.h"
+#include "chrome/common/notification_service.h"
 #include "chrome/common/pref_member.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
@@ -68,6 +72,8 @@
   // The last page the user was on when they opened the Options window.
   IntegerPrefMember last_selected_page_;
 
+  scoped_ptr<AccessibleWidgetHelper> accessibility_widget_helper_;
+
   DISALLOW_COPY_AND_ASSIGN(OptionsWindowGtk);
 };
 
@@ -85,6 +91,7 @@
       general_page_(profile_),
       content_page_(profile_),
       advanced_page_(profile_) {
+
   // We don't need to observe changes in this value.
   last_selected_page_.Init(prefs::kOptionsWindowLastTabIndex,
                            g_browser_process->local_state(), NULL);
@@ -105,6 +112,9 @@
   gtk_box_set_spacing(GTK_BOX(GTK_DIALOG(dialog_)->vbox),
                       gtk_util::kContentAreaSpacing);
 
+  accessibility_widget_helper_.reset(new AccessibleWidgetHelper(
+      dialog_, profile));
+
   notebook_ = gtk_notebook_new();
 
 #if defined(OS_CHROMEOS)
@@ -248,10 +258,30 @@
                        OptionsGroup highlight_group,
                        Profile* profile) {
   DCHECK(profile);
+
   // If there's already an existing options window, activate it and switch to
   // the specified page.
   if (!options_window) {
+    // Creating and initializing a bunch of controls generates a bunch of
+    // spurious events as control values change. Temporarily suppress
+    // accessibility events until the window is created.
+    profile->PauseAccessibilityEvents();
+
+    // Create the options window.
     options_window = new OptionsWindowGtk(profile);
+
+    // Resume accessibility events.
+    profile->ResumeAccessibilityEvents();
   }
   options_window->ShowOptionsPage(page, highlight_group);
+
+  std::string name = l10n_util::GetStringFUTF8(
+      IDS_OPTIONS_DIALOG_TITLE,
+      WideToUTF16(l10n_util::GetString(IDS_PRODUCT_NAME)));
+  AccessibilityWindowInfo info(profile, name);
+
+  NotificationService::current()->Notify(
+      NotificationType::ACCESSIBILITY_WINDOW_OPENED,
+      Source<Profile>(profile),
+      Details<AccessibilityWindowInfo>(&info));
 }