MessageBubble which does not require separate window and does not grab input on mouse press event.

chrome/browser/chromeos/login/message_bubble.cc

 // Copyright (c) 2010 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/message_bubble.h"
 
 #include "app/resource_bundle.h"
 #include "base/logging.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "views/controls/button/image_button.h"
 #include "views/controls/image_view.h"
 #include "views/controls/label.h"
 #include "views/grid_layout.h"
 #include "views/widget/widget.h"
 
 namespace chromeos {
 
 static const int kBorderSize = 4;
 static const int kMaxLabelWidth = 250;
 
-MessageBubble::MessageBubble(views::Widget* parent, SkBitmap* image,
-    const std::wstring& text) : parent_(parent) {
+MessageBubble::MessageBubble(views::WidgetGtk::Type type, views::Widget* parent,
+    SkBitmap* image, const std::wstring& text, bool grab_enabled)
+    : InfoBubble(type),
+      parent_(parent),
+      grab_enabled_(grab_enabled) {
   using views::GridLayout;
 
   views::View* control_view = new views::View();
   GridLayout* layout = new GridLayout(control_view);
   control_view->SetLayoutManager(layout);
   views::ColumnSet* column_set = layout->AddColumnSet(0);
   column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
                         GridLayout::USE_PREF, 0, 0);
   column_set->AddPaddingColumn(0, kBorderSize);
   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
@@ skipping 35 matching lines @@
 }
 
 // static
 MessageBubble* MessageBubble::Show(views::Widget* parent,
                                    const gfx::Rect& position_relative_to,
                                    BubbleBorder::ArrowLocation arrow_location,
                                    SkBitmap* image,
                                    const std::wstring& text,
                                    InfoBubbleDelegate* delegate) {
   // The bubble will be destroyed when it is closed.
-  MessageBubble* bubble = new MessageBubble(parent, image, text);
+  MessageBubble* bubble = new MessageBubble(
+      views::WidgetGtk::TYPE_WINDOW, parent, image, text, true);
   bubble->Init(parent, position_relative_to, arrow_location,
                bubble->text_->GetParent(), delegate);
   return bubble;
+}
+
+// static
+MessageBubble* MessageBubble::ShowNoGrab(
+    views::Widget* parent,
+    const gfx::Rect& position_relative_to,
+    BubbleBorder::ArrowLocation arrow_location,
+    SkBitmap* image,
+    const std::wstring& text,
+    InfoBubbleDelegate* delegate) {
+  // The bubble will be destroyed when it is closed.
+  MessageBubble* bubble = new MessageBubble(
+      views::WidgetGtk::TYPE_CHILD, parent, image, text, false);
+  bubble->Init(parent, position_relative_to, arrow_location,
+               bubble->text_->GetParent(), delegate);
+  return bubble;
 }
 
 void MessageBubble::IsActiveChanged() {
   // Active parent instead.
   if (parent_ && IsActive()) {
     gtk_window_present_with_time(
         GTK_WINDOW(static_cast<WidgetGtk*>(parent_)->GetNativeView()),
                    gtk_get_current_event_time());
   }
 }
 
+void MessageBubble::DoGrab() {
+  if (grab_enabled_)
+    WidgetGtk::DoGrab();
+}
+
 void MessageBubble::Close() {
   parent_ = NULL;
   InfoBubble::Close();
 }
 
 }  // namespace chromeos