Implement message center on Windows

chrome/browser/ui/views/message_center/notification_bubble_wrapper_win.h

+// Copyright (c) 2013 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.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_NOTIFICATION_BUBBLE_WRAPPER_WIN_H_
+#define CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_NOTIFICATION_BUBBLE_WRAPPER_WIN_H_
+
+#include "chrome/browser/ui/views/message_center/web_notification_tray_win.h"
+#include "ui/views/bubble/tray_bubble_view.h"
+#include "ui/views/widget/widget.h"
+
+namespace message_center {
+
+namespace internal {
+
+// NotificationBubbleWrapperWin is a class that manages the views associated
+// with a MessageBubbleBase object and that notifies the WebNotificationTrayWin
+// when the widget closes.  Delegates GetAnchorRect to the
+// WebNotificationTrayWin.
+class NotificationBubbleWrapperWin
+    : public views::WidgetObserver,
+      public views::TrayBubbleView::Delegate {
+ public:
+  // Takes ownership of |bubble|.
+  NotificationBubbleWrapperWin(WebNotificationTrayWin* tray,
+                               message_center::MessageBubbleBase* bubble,

[sky, 2013/01/30 14:38:17]

Pass in as scoped_ptr so ownership if clear.

[dewittj, 2013/01/30 23:08:32]

Done.

+                               AnchorType anchor_type);
+  ~NotificationBubbleWrapperWin();

[sky, 2013/01/30 14:38:17]

virtual

[dewittj, 2013/01/30 23:08:32]

Done.

+
+  // Overridden from views::WidgetObserver.
+  void OnWidgetClosing(views::Widget* widget) OVERRIDE;
+
+  // TrayBubbleView::Delegate implementation.
+  virtual void BubbleViewDestroyed() OVERRIDE;
+  virtual void OnMouseEnteredView() OVERRIDE;
+  virtual void OnMouseExitedView() OVERRIDE;
+  virtual string16 GetAccessibleNameForBubble() OVERRIDE;
+  // GetAnchorRect passes responsibility for BubbleDelegateView::GetAnchorRect
+  // to the delegate.
+  virtual gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
+                                  AnchorType anchor_type,
+                                  AnchorAlignment anchor_alignment) OVERRIDE;
+  virtual void HideBubble(const views::TrayBubbleView* bubble_view) OVERRIDE;
+
+  // Convenience accessors.
+  views::TrayBubbleView* bubble_view() const { return bubble_view_; }

[sky, 2013/01/30 14:38:17]

in general const methods shouldn't return non-const objects. Doing so can
effectively allow for treating this object as non-const.

[dewittj, 2013/01/30 23:08:32]

Done.

+  views::Widget* bubble_widget() const { return bubble_widget_; }
+  message_center::MessageBubbleBase* bubble() const { return bubble_.get(); }
+
+ private:
+  scoped_ptr<message_center::MessageBubbleBase> bubble_;
+  // |bubble_view_| is owned by its Widget.
+  views::TrayBubbleView* bubble_view_;
+  views::Widget* bubble_widget_;
+  WebNotificationTrayWin* tray_;
+};

[sky, 2013/01/30 14:38:17]

DISALLOW_...

[dewittj, 2013/01/30 23:08:32]

Done.

+
+}  // namespace internal
+
+}  // namespace message_center
+
+#endif  // CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_NOTIFICATION_BUBBLE_WRAPPER_WIN_H_