Override status area window type for WebUI lock screen.

chrome/browser/chromeos/login/webui_screen_locker.cc

 // Copyright (c) 2011 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/chromeos/login/webui_screen_locker.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/legacy_window_manager/wm_ipc.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
+#include "chrome/browser/chromeos/status/status_area_view_chromeos.h"
 #include "chrome/browser/ui/views/dom_view.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/screen.h"
@@ skipping 420 matching lines @@
   NOTREACHED();
 }
 
 void WebUIScreenLocker::OnUserSelected(const std::string& username) {
 }
 
 void WebUIScreenLocker::OnStartEnterpriseEnrollment() {
   NOTREACHED();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// WebUIScreenLocker, protected:
+
+void WebUIScreenLocker::Layout() {
+  const int kCornerPadding = 5;
+  WebUILoginView::Layout();
+  if (status_area_) {
+    gfx::Size status_area_size = status_area_->GetPreferredSize();
+    status_area_->SetBounds(
+        width() - status_area_size.width() - kCornerPadding,
+        kCornerPadding,
+        status_area_size.width(),
+        status_area_size.height());
+  }
+}
+
+void WebUIScreenLocker::InitStatusArea() {
+  DCHECK(status_area_ == NULL);
+  status_area_ = new StatusAreaViewChromeos();
+  status_area_->Init(this);
+  AddChildView(status_area_);
+  status_area_->SetPaintToLayer(true);

[Nikita (slow), 2011/12/08 14:13:12]

I see that you're adding status_area_ as a child view of the WebUIScreenLocker
and calling SetPaintToLayer(true) essentially make sure it is displayed over the
webui?

Did that approach even work?

[flackr, 2011/12/08 14:50:08]

No, this didn't work.

+  Layout();
+}
+
 }  // namespace chromeos