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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_
      6 #define CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_
      7 
      8 #include "base/memory/weak_ptr.h"
      9 #include "chrome/browser/status_icons/status_icon_observer.h"
     10 #include "chrome/browser/ui/views/message_center/message_center_widget_delegate.h"
     11 #include "content/public/browser/notification_observer.h"
     12 #include "content/public/browser/notification_registrar.h"
     13 #include "ui/base/models/simple_menu_model.h"
     14 #include "ui/gfx/rect.h"
     15 #include "ui/message_center/message_center_tray.h"
     16 #include "ui/message_center/message_center_tray_delegate.h"
     17 #include "ui/views/widget/widget_observer.h"
     18 
     19 class StatusIcon;
     20 
     21 namespace message_center {
     22 class MessageCenter;
     23 class MessagePopupCollection;
     24 }
     25 
     26 namespace views {
     27 class Widget;
     28 }
     29 
     30 namespace message_center {
     31 
     32 struct PositionInfo;
     33 
     34 class MessageCenterWidgetDelegate;
     35 
     36 // A MessageCenterTrayDelegate implementation that exposes the MessageCenterTray
     37 // via a system tray icon.  The notification popups will be displayed in the
     38 // corner of the screen and the message center will be displayed by the system
     39 // tray icon on click.
     40 class WebNotificationTray : public message_center::MessageCenterTrayDelegate,
     41                             public StatusIconObserver,
     42                             public base::SupportsWeakPtr<WebNotificationTray> {
     43  public:
     44   WebNotificationTray();
     45   virtual ~WebNotificationTray();
     46 
     47   message_center::MessageCenter* message_center();
     48 
     49   // MessageCenterTrayDelegate implementation.
     50   virtual bool ShowPopups() OVERRIDE;
     51   virtual void HidePopups() OVERRIDE;
     52   virtual bool ShowMessageCenter() OVERRIDE;
     53   virtual void HideMessageCenter() OVERRIDE;
     54   virtual void OnMessageCenterTrayChanged() OVERRIDE;
     55   virtual bool ShowNotifierSettings() OVERRIDE;
     56 
     57   // StatusIconObserver implementation.
     58   virtual void OnStatusIconClicked() OVERRIDE;
     59 #if defined(OS_WIN)
     60   virtual void OnBalloonClicked() OVERRIDE;
     61 
     62   // This shows a platform-specific balloon informing the user of the existence
     63   // of the message center in the status tray area.
     64   void DisplayFirstRunBalloon();
     65 #endif
     66 
     67   // Changes the icon and hovertext based on number of unread notifications.
     68   void UpdateStatusIcon();
     69   void SendHideMessageCenter();
     70   void MarkMessageCenterHidden();
     71 
     72   // Gets the point where the status icon was clicked.
     73   gfx::Point mouse_click_point() { return mouse_click_point_; }
     74   virtual MessageCenterTray* GetMessageCenterTray() OVERRIDE;
     75 
     76  private:
     77   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotifications);
     78   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, WebNotificationPopupBubble);
     79   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest,
     80                            ManyMessageCenterNotifications);
     81   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayTest, ManyPopupNotifications);
     82 
     83   // The actual process to show the message center. Set |show_settings| to true
     84   // if the message center should be initialized with the settings visible.
     85   // Returns true if the center is successfully created.
     86   bool ShowMessageCenterInternal(bool show_settings);
     87 
     88   PositionInfo GetPositionInfo();
     89 
     90   void CreateStatusIcon(const gfx::ImageSkia& image, const string16& tool_tip);
     91   void DestroyStatusIcon();
     92   void AddQuietModeMenu(StatusIcon* status_icon);
     93   MessageCenterWidgetDelegate* GetMessageCenterWidgetDelegateForTest();
     94 
     95   MessageCenterWidgetDelegate* message_center_delegate_;
     96   scoped_ptr<message_center::MessagePopupCollection> popup_collection_;
     97 
     98   StatusIcon* status_icon_;
     99   bool message_center_visible_;
    100   scoped_ptr<MessageCenterTray> message_center_tray_;
    101   gfx::Point mouse_click_point_;
    102 
    103   bool should_update_tray_content_;
    104 
    105   DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
    106 };
    107 
    108 }  // namespace message_center
    109 
    110 #endif  // CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_WEB_NOTIFICATION_TRAY_H_
    111