Implement Chrome OS accessibility features to highlight focus, caret & cursor.

chrome/browser/ui/views/chrome_views_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/views/chrome_views_delegate.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_window_state.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/context_factory.h"
+#include "content/public/browser/focused_node_details.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_types.h"
 #include "grit/chrome_unscaled_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/controls/menu/menu_controller.h"
 #include "ui/views/widget/native_widget.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(OS_WIN)
@@ skipping 216 matching lines @@
   gfx::Display display = gfx::Screen::GetScreen()->GetDisplayMatching(*bounds);
   bounds->AdjustToFit(display.work_area());
   ash::wm::GetWindowState(window)->set_minimum_visibility(true);
 #endif
   return true;
 }
 
 void ChromeViewsDelegate::NotifyAccessibilityEvent(
     views::View* view, ui::AXEvent event_type) {
 #if defined(USE_AURA)
+  bool is_editable_node = false;
+  gfx::Rect bounds_in_screen = view->GetBoundsInScreen();
+  content::FocusedNodeDetails details = {is_editable_node, bounds_in_screen};
+  content::NotificationService::current()->Notify(
+      content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
+      content::Source<views::View>(view),
+      content::Details<content::FocusedNodeDetails>(&details));
+
   AutomationManagerAura::GetInstance()->HandleEvent(
       GetProfileForWindow(view->GetWidget()), view, event_type);
 #endif
 }
 
 views::ViewsDelegate::ProcessMenuAcceleratorResult
 ChromeViewsDelegate::ProcessAcceleratorWhileMenuShowing(
     const ui::Accelerator& accelerator) {
 #if defined(USE_ASH)
   // Handle ash accelerators only when a menu is opened on an ash desktop.
@@ skipping 239 matching lines @@
   return content::BrowserThread::GetBlockingPool();
 }
 
 #if !defined(USE_ASH)
 views::Widget::InitParams::WindowOpacity
 ChromeViewsDelegate::GetOpacityForInitParams(
     const views::Widget::InitParams& params) {
   return views::Widget::InitParams::OPAQUE_WINDOW;
 }
 #endif