Fixes the context menu for a notification.

ui/message_center/message_center_tray.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 UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
 
 #include "base/observer_list.h"
+#include "ui/base/models/simple_menu_model.h"
 #include "ui/message_center/message_center_export.h"
 #include "ui/message_center/message_center_observer.h"
 #include "ui/message_center/message_center_tray_delegate.h"
 
 namespace message_center {
 
 class MessageCenter;
 class MessageBubbleBase;
 class MessagePopupBubble;
+class Notification;
 class QuietModeBubble;
 
 // Implementation found with each supported platform's implementation of
 // MessageCenterTrayDelegate.
 MessageCenterTrayDelegate* CreateMessageCenterTray();
 
 // Class that observes a MessageCenter. Manages the popup and message center
 // bubbles. Tells the MessageCenterTrayHost when the tray is changed, as well
 // as when bubbles are shown and hidden.
-class MESSAGE_CENTER_EXPORT MessageCenterTray : public MessageCenterObserver {
+class MESSAGE_CENTER_EXPORT MessageCenterTray
+    : public MessageCenterObserver,
+      public ui::SimpleMenuModel::Delegate {
  public:
   MessageCenterTray(MessageCenterTrayDelegate* delegate,
                     message_center::MessageCenter* message_center);
   virtual ~MessageCenterTray();
 
   // Shows or updates the message center bubble and hides the popup bubble.
   // Returns whether the message center is visible after the call, whether or
   // not it was visible before.
   bool ShowMessageCenterBubble();
 
   // Hides the message center if visible and returns whether the message center
   // was visible before.
   bool HideMessageCenterBubble();
 
   // Marks the message center as "not visible" (this method will not hide the
   // message center).
   void MarkMessageCenterHidden();
 
   void ToggleMessageCenterBubble();
 
   // Causes an update if the popup bubble is already shown.
   void ShowPopupBubble();
 
   // Returns whether the popup was visible before.
   bool HidePopupBubble();
 
   // Toggles the visibility of the settings view in the message center bubble.
   void ShowNotifierSettingsBubble();
 
+  // Creates a new model of the context menu for the notification of |id|.
+  scoped_ptr<ui::MenuModel> CreateMenuModelForNotification(
+      const std::string& id);
+
   bool message_center_visible() { return message_center_visible_; }
   bool popups_visible() { return popups_visible_; }
   MessageCenterTrayDelegate* delegate() { return delegate_; }
   const message_center::MessageCenter* message_center() const {
     return message_center_;
   }
   message_center::MessageCenter* message_center() { return message_center_; }
 
   // Overridden from MessageCenterObserver:
   virtual void OnNotificationAdded(const std::string& notification_id) OVERRIDE;
   virtual void OnNotificationRemoved(const std::string& notification_id,
                                      bool by_user) OVERRIDE;
   virtual void OnNotificationUpdated(
       const std::string& notification_id) OVERRIDE;
   virtual void OnNotificationClicked(
       const std::string& notification_id) OVERRIDE;
   virtual void OnNotificationButtonClicked(
       const std::string& notification_id,
       int button_index) OVERRIDE;
   virtual void OnNotificationDisplayed(
       const std::string& notification_id) OVERRIDE;
   virtual void OnQuietModeChanged(bool in_quiet_mode) OVERRIDE;
   virtual void OnBlockingStateChanged(NotificationBlocker* blocker) OVERRIDE;
 
+  // Overridden from ui::SimpleMenuModel::Delegate:
+  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
+  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
+  virtual bool GetAcceleratorForCommandId(
+      int command_id,
+      ui::Accelerator* accelerator) OVERRIDE;
+  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
+  virtual void MenuClosed(ui::SimpleMenuModel* source) OVERRIDE;
+
  private:
   void OnMessageCenterChanged();
   void NotifyMessageCenterTrayChanged();
   void HidePopupBubbleInternal();
 
   // |message_center_| is a weak pointer that must live longer than
   // MessageCenterTray.
   message_center::MessageCenter* message_center_;
   bool message_center_visible_;
   bool popups_visible_;
   // |delegate_| is a weak pointer that must live longer than MessageCenterTray.
   MessageCenterTrayDelegate* delegate_;
 
+  // The notification for the current context menu.
+  Notification* context_menu_notification_;
+
   DISALLOW_COPY_AND_ASSIGN(MessageCenterTray);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_