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      1 // Copyright (c) 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_MESSAGE_CENTER_VIEW_H_
      6 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_
      7 
      8 
      9 #include "ui/gfx/animation/animation_delegate.h"
     10 #include "ui/message_center/message_center_export.h"
     11 #include "ui/message_center/message_center_observer.h"
     12 #include "ui/message_center/notification_list.h"
     13 #include "ui/message_center/views/message_center_controller.h"
     14 #include "ui/message_center/views/message_view.h"
     15 #include "ui/views/controls/button/button.h"
     16 #include "ui/views/view.h"
     17 
     18 namespace gfx {
     19 class MultiAnimation;
     20 }  // namespace gfx
     21 
     22 namespace views {
     23 class Button;
     24 }  // namespace views
     25 
     26 namespace message_center {
     27 
     28 class MessageCenter;
     29 class MessageCenterBubble;
     30 class NotificationCenterButton;
     31 class MessageCenterButtonBar;
     32 class MessageCenterTray;
     33 class MessageCenterView;
     34 class MessageView;
     35 class MessageViewContextMenuController;
     36 class MessageListView;
     37 class NotificationView;
     38 class NotifierSettingsView;
     39 
     40 // MessageCenterView ///////////////////////////////////////////////////////////
     41 
     42 class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
     43                                                 public MessageCenterObserver,
     44                                                 public MessageCenterController,
     45                                                 public gfx::AnimationDelegate {
     46  public:
     47   MessageCenterView(MessageCenter* message_center,
     48                     MessageCenterTray* tray,
     49                     int max_height,
     50                     bool initially_settings_visible,
     51                     bool top_down,
     52                     const base::string16& title);
     53   virtual ~MessageCenterView();
     54 
     55   void SetNotifications(const NotificationList::Notifications& notifications);
     56 
     57   void ClearAllNotifications();
     58   void OnAllNotificationsCleared();
     59 
     60   size_t NumMessageViewsForTest() const;
     61 
     62   void SetSettingsVisible(bool visible);
     63   void OnSettingsChanged();
     64   bool settings_visible() const { return settings_visible_; }
     65   MessageCenterTray* tray() { return tray_; }
     66 
     67   void SetIsClosing(bool is_closing);
     68 
     69  protected:
     70   // Overridden from views::View:
     71   virtual void Layout() OVERRIDE;
     72   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     73   virtual int GetHeightForWidth(int width) const OVERRIDE;
     74   virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
     75   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
     76 
     77   // Overridden from MessageCenterObserver:
     78   virtual void OnNotificationAdded(const std::string& id) OVERRIDE;
     79   virtual void OnNotificationRemoved(const std::string& id,
     80                                      bool by_user) OVERRIDE;
     81   virtual void OnNotificationUpdated(const std::string& id) OVERRIDE;
     82 
     83   // Overridden from MessageCenterController:
     84   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
     85   virtual void RemoveNotification(const std::string& notification_id,
     86                                   bool by_user) OVERRIDE;
     87   virtual scoped_ptr<ui::MenuModel> CreateMenuModel(
     88       const NotifierId& notifier_id,
     89       const base::string16& display_source) OVERRIDE;
     90   virtual bool HasClickedListener(const std::string& notification_id) OVERRIDE;
     91   virtual void ClickOnNotificationButton(const std::string& notification_id,
     92                                          int button_index) OVERRIDE;
     93 
     94   // Overridden from gfx::AnimationDelegate:
     95   virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
     96   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
     97   virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE;
     98 
     99  private:
    100   friend class MessageCenterViewTest;
    101 
    102   void AddNotificationAt(const Notification& notification, int index);
    103   void NotificationsChanged();
    104   void SetNotificationViewForTest(MessageView* view);
    105 
    106   MessageCenter* message_center_;  // Weak reference.
    107   MessageCenterTray* tray_;  // Weak reference.
    108 
    109   // Map notification_id->NotificationView*. It contains all NotificationViews
    110   // currently displayed in MessageCenter.
    111   typedef std::map<std::string, NotificationView*> NotificationViewsMap;
    112   NotificationViewsMap notification_views_;  // Weak.
    113 
    114   // Child views.
    115   views::ScrollView* scroller_;
    116   scoped_ptr<MessageListView> message_list_view_;
    117   scoped_ptr<views::View> empty_list_view_;
    118   NotifierSettingsView* settings_view_;
    119   MessageCenterButtonBar* button_bar_;
    120   bool top_down_;
    121 
    122   // Data for transition animation between settings view and message list.
    123   bool settings_visible_;
    124 
    125   // Animation managing transition between message center and settings (and vice
    126   // versa).
    127   scoped_ptr<gfx::MultiAnimation> settings_transition_animation_;
    128 
    129   // Helper data to keep track of the transition between settings and
    130   // message center views.
    131   views::View* source_view_;
    132   int source_height_;
    133   views::View* target_view_;
    134   int target_height_;
    135 
    136   // True when the widget is closing so that further operations should be
    137   // ignored.
    138   bool is_closing_;
    139 
    140   scoped_ptr<MessageViewContextMenuController> context_menu_controller_;
    141 
    142   DISALLOW_COPY_AND_ASSIGN(MessageCenterView);
    143 };
    144 
    145 }  // namespace message_center
    146 
    147 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_
    148