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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 UI_MESSAGE_CENTER_VIEWS_GROUP_VIEW_H_
      6 #define UI_MESSAGE_CENTER_VIEWS_GROUP_VIEW_H_
      7 
      8 #include "ui/gfx/image/image_skia.h"
      9 #include "ui/message_center/views/message_center_controller.h"
     10 #include "ui/message_center/views/message_center_view.h"
     11 #include "ui/message_center/views/message_view.h"
     12 
     13 namespace message_center {
     14 
     15 class BoundedLabel;
     16 class MessageCenter;
     17 class NotificationButton;
     18 
     19 // View that displays a placeholder representing several notifications and a
     20 // button to expand it into a set of individual notifications.
     21 class GroupView : public MessageView, public MessageViewController {
     22  public:
     23   // The group view currently shows the latest notificaiton w/o buttons
     24   // and a single button like "N more from XYZ".
     25   // Each GroupView has a notifier_id which it uses to report clicks and other
     26   // user actions to Client.
     27   GroupView(MessageCenterController* controller,
     28             const NotifierId& notifier_id,
     29             const Notification& last_notification,
     30             const gfx::ImageSkia& group_icon,
     31             int group_size);
     32 
     33   virtual ~GroupView();
     34 
     35   // Overridden from views::View:
     36   virtual gfx::Size GetPreferredSize() OVERRIDE;
     37   virtual int GetHeightForWidth(int width) OVERRIDE;
     38   virtual void Layout() OVERRIDE;
     39   virtual void OnFocus() OVERRIDE;
     40   virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) OVERRIDE;
     41 
     42   // Overridden from MessageView:
     43   virtual void ButtonPressed(views::Button* sender,
     44                              const ui::Event& event) OVERRIDE;
     45 
     46   // Overridden from MessageViewController:
     47   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
     48   virtual void RemoveNotification(const std::string& notification_id,
     49                                   bool by_user) OVERRIDE;
     50   virtual void DisableNotificationsFromThisSource(
     51       const NotifierId& notifier_id) OVERRIDE;
     52   virtual void ShowNotifierSettingsBubble() OVERRIDE;
     53 
     54  private:
     55   MessageCenterController* controller_;  // Weak, controls lifetime of views.
     56   NotifierId notifier_id_;
     57   string16 display_source_;
     58   gfx::ImageSkia group_icon_;
     59   int group_size_;
     60   std::string last_notification_id_;
     61 
     62   // Weak references to GroupView descendants owned by their parents.
     63   views::View* background_view_;
     64   views::View* top_view_;
     65   views::View* bottom_view_;
     66   BoundedLabel* title_view_;
     67   BoundedLabel* message_view_;
     68   BoundedLabel* context_message_view_;
     69   views::View* icon_view_;
     70   NotificationButton* more_button_;
     71 
     72   DISALLOW_COPY_AND_ASSIGN(GroupView);
     73 };
     74 
     75 }  // namespace message_center
     76 
     77 #endif // UI_MESSAGE_CENTER_VIEWS_GROUP_VIEW_H_
     78