Implement message center on Windows

ash/system/web_notification/web_notification_tray.h

 // 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.
 
 #ifndef ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
 #define ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/tray/tray_background_view.h"
-#include "ash/system/tray/tray_views.h"
 #include "ash/system/user/login_status.h"
 #include "base/gtest_prod_util.h"
-#include "ui/message_center/message_center.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/message_center/message_center_tray.h"
+#include "ui/message_center/message_center_tray_host.h"
+#include "ui/views/bubble/tray_bubble_view.h"
 #include "ui/views/widget/widget_observer.h"
 
 // Status area tray for showing browser and app notifications. This hosts
 // a MessageCenter class which manages the notification list. This class
 // contains the Ash specific tray implementation.
 //
 // Note: These are not related to system notifications (i.e NotificationView
 // generated by SystemTrayItem). Visibility of one notification type or other
 // is controlled by StatusAreaWidget.
 
-namespace aura {
-class LocatedEvent;
+namespace message_center {
+class MessageCenter;
 }
 
-namespace gfx {
-class ImageSkia;
-}
-
-namespace views {
-class ImageButton;
-class TrayBubbleView;
-class Widget;
-}
-
-namespace message_center {
-class MessageCenterBubble;
-class MessagePopupBubble;
-class QuietModeBubble;
-}
+FORWARD_DECLARE_TEST(WebNotificationTrayTest,
+                     ManyMessageCenterNotifications);
 
 namespace ash {
 
 namespace internal {
 class StatusAreaWidget;
-class WebNotificationBubbleWrapper;
 }
 
 class ASH_EXPORT WebNotificationTray
     : public internal::TrayBackgroundView,
-      public views::TrayBubbleView::Delegate,
-      public message_center::MessageCenter::Observer,
+      public ui::MessageCenterTrayHost,
       public views::ButtonListener,
       public views::WidgetObserver {
  public:
-  explicit WebNotificationTray(internal::StatusAreaWidget* status_area_widget);
+  explicit WebNotificationTray(
+      internal::StatusAreaWidget* status_area_widget);
   virtual ~WebNotificationTray();
 
+  virtual bool CanShowMessageCenter();
+
+  // MessageCenterTrayHost implementation part one.
+  virtual message_center::MessageCenter* message_center() OVERRIDE;
+  virtual void OnShowMessageCenterBubble() OVERRIDE;
+  virtual void OnHideMessageCenterBubble() OVERRIDE;
+
   // Set whether or not the popup notifications should be hidden.
   void SetHidePopupBubble(bool hide);
 
+  // MessageCenterTrayHost implementation part two.
+  virtual bool CanShowPopups() OVERRIDE;
+
+  // Displays the quiet mode bubble and adds |this| as an observer.

[Pete Williamson, 2013/01/16 19:43:20]

The comment makes it sound like the function does two things.  It should only do
one thing per function.  Let's add a second function to add \this\ as an
observer.

[dewittj, 2013/01/16 22:30:40]

This isn't a functionality change, just updated comment.

+  void ShowQuietModeBubble();
+
   // Updates tray visibility login status of the system changes.
   void UpdateAfterLoginStatusChange(user::LoginStatus login_status);
 
   // Returns true if it should block the auto hide behavior of the launcher.
   bool ShouldBlockLauncherAutoHide() const;
 
   // Returns true if the message center bubble is visible.
   bool IsMessageCenterBubbleVisible() const;
 
   // Returns true if the mouse is inside the notification bubble.
   bool IsMouseInNotificationBubble() const;
 
-  message_center::MessageCenter* message_center() {
-    return message_center_;
-  }
-
   // Overridden from TrayBackgroundView.
   virtual void SetShelfAlignment(ShelfAlignment alignment) OVERRIDE;
   virtual void AnchorUpdated() OVERRIDE;
   virtual string16 GetAccessibleNameForTray() OVERRIDE;
   virtual void HideBubbleWithView(
       const views::TrayBubbleView* bubble_view) OVERRIDE;
-  virtual bool ClickedOutsideBubble() OVERRIDE;
 
   // Overridden from internal::ActionableView.
   virtual bool PerformAction(const ui::Event& event) OVERRIDE;
 
-  // Overridden from views::TrayBubbleView::Delegate.
-  virtual void BubbleViewDestroyed() OVERRIDE;
-  virtual void OnMouseEnteredView() OVERRIDE;
-  virtual void OnMouseExitedView() OVERRIDE;
+  // MessageCenterTrayHost implementation part three.
   virtual string16 GetAccessibleNameForBubble() OVERRIDE;
-  virtual gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
-                                  AnchorType anchor_type,
-                                  AnchorAlignment anchor_alignment) OVERRIDE;
-  virtual void HideBubble(const views::TrayBubbleView* bubble_view) OVERRIDE;
+  virtual gfx::Rect GetAnchorRect(
+      views::Widget* anchor_widget,
+      views::TrayBubbleView::AnchorType anchor_type,
+      views::TrayBubbleView::AnchorAlignment anchor_alignment) OVERRIDE;
 
-  // Overridden from message_center::MessageCenter::Observer.
-  virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE;
-
-  // Overridden from ButtonListener.
+  // Overridden from views::ButtonListener.
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
-  // Overridden from WidgetObserver.
+  // Overridden from views::WidgetObserver.
   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
 
+  // MessageCenterTrayHost implementation part four.
+  virtual gfx::NativeView GetBubbleWindowContainer() OVERRIDE;
+  virtual views::View* GetAnchorView() OVERRIDE;
+  virtual views::TrayBubbleView::AnchorAlignment GetAnchorAlignment() OVERRIDE;
+  virtual void UpdateInitParams(
+      views::TrayBubbleView::InitParams* init_params) OVERRIDE;
+  virtual void OnMessageCenterTrayChanged() OVERRIDE;
+
+  // Overridden from TrayBackgroundView.
+  virtual bool ClickedOutsideBubble() OVERRIDE;
+
+  // Tells the tray to show the MessageCenter bubble.
+  void ShowMessageCenter();
+
+  bool IsPopupVisible() const;
+
  private:
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotifications);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotificationPopupBubble);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest,
+  FRIEND_TEST_ALL_PREFIXES(::WebNotificationTrayTest,
                            ManyMessageCenterNotifications);
-  FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManyPopupNotifications);
+  views::ImageButton* button_;
 
-  // Shows or hides the message center bubble.
-  void ToggleMessageCenterBubble();
+  scoped_ptr<message_center::QuietModeBubble> quiet_mode_bubble_;
+  scoped_ptr<ui::MessageCenterTray> message_center_tray_;
 
-  // Shows or updates the message center bubble and hides the popup bubble.
-  void ShowMessageCenterBubble();
+  bool show_message_center_on_unlock_;
+  bool message_center_visible_;
 
-  // Hides the message center bubble if visible.
-  void HideMessageCenterBubble();
-
-  // Shows or updates the popup notification bubble if appropriate.
-  void ShowPopupBubble();
-
-  // Hides the notification bubble if visible.
-  void HidePopupBubble();
-
-  // Returns true if it should show the quiet mode bubble.
-  bool ShouldShowQuietModeBubble(const ui::Event& event);
-
-  // Shows the quiet mode bubble.
-  void ShowQuietModeBubble();
-
-  // Updates the tray icon and visibility.
-  void UpdateTray();
-
-  internal::WebNotificationBubbleWrapper* message_center_bubble() const {
-    return message_center_bubble_.get();
-  }
-
-  internal::WebNotificationBubbleWrapper* popup_bubble() const {
-    return popup_bubble_.get();
-  }
-
-  message_center::QuietModeBubble* quiet_mode_bubble() const {
-    return quiet_mode_bubble_.get();
-  }
-
-  // Testing accessors.
-  message_center::MessageCenterBubble* GetMessageCenterBubbleForTest();
-  message_center::MessagePopupBubble* GetPopupBubbleForTest();
-
-  message_center::MessageCenter* message_center_;
-  scoped_ptr<internal::WebNotificationBubbleWrapper> message_center_bubble_;
-  scoped_ptr<internal::WebNotificationBubbleWrapper> popup_bubble_;
-  scoped_ptr<message_center::QuietModeBubble> quiet_mode_bubble_;
-  views::ImageButton* button_;
-  bool show_message_center_on_unlock_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_WEB_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_