ui/message_center/views/message_center_view.h

   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 #include "ui/views/view.h"
   9
  10 #include "ui/base/animation/animation_delegate.h"
  11 #include "ui/message_center/message_center_export.h"
  12 #include "ui/message_center/message_center_observer.h"
  13 #include "ui/message_center/notification_list.h"
  14 #include "ui/views/controls/button/button.h"
  15
  16 namespace ui {
  17 class MultiAnimation;
  18 }  // namespace ui
  19
  20 namespace views {
  21 class Button;
  22 }  // namespace views
  23
  24 namespace message_center {
  25
  26 class MessageCenter;
  27 class MessageCenterBubble;
  28 class NotificationCenterButton;
  29 class MessageCenterButtonBar;
  30 class MessageCenterTray;
  31 class MessageCenterView;
  32 class MessageView;
  33 class MessageListView;
  34 class NotifierSettingsView;
  35
  36 // MessageCenterView ///////////////////////////////////////////////////////////
  37
  38 class MESSAGE_CENTER_EXPORT MessageCenterView : public views::View,
  39                                                 public MessageCenterObserver,
  40                                                 public ui::AnimationDelegate {
  41  public:
  42   MessageCenterView(MessageCenter* message_center,
  43                     MessageCenterTray* tray,
  44                     int max_height,
  45                     bool initially_settings_visible,
  46                     bool top_down);
  47   virtual ~MessageCenterView();
  48
  49   void SetNotifications(const NotificationList::Notifications& notifications);
  50
  51   void ClearAllNotifications();
  52   void OnAllNotificationsCleared();
  53
  54   size_t NumMessageViewsForTest() const;
  55
  56   void SetSettingsVisible(bool visible);
  57   void OnSettingsChanged();
  58   bool settings_visible() const { return settings_visible_; }
  59
  60   void SetIsClosing(bool is_closing);
  61
  62  protected:
  63   // Overridden from views::View:
  64   virtual void Layout() OVERRIDE;
  65   virtual gfx::Size GetPreferredSize() OVERRIDE;
  66   virtual int GetHeightForWidth(int width) OVERRIDE;
  67   virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
  68   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
  69
  70   // Overridden from MessageCenterObserver:
  71   virtual void OnNotificationAdded(const std::string& id) OVERRIDE;
  72   virtual void OnNotificationRemoved(const std::string& id,
  73                                      bool by_user) OVERRIDE;
  74   virtual void OnNotificationUpdated(const std::string& id) OVERRIDE;
  75
  76   // Overridden from ui::AnimationDelegate:
  77   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
  78   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
  79   virtual void AnimationCanceled(const ui::Animation* animation) OVERRIDE;
  80
  81  private:
  82   friend class MessageCenterViewTest;
  83
  84   void AddNotificationAt(const Notification& notification, int index);
  85   void NotificationsChanged();
  86   void SetNotificationViewForTest(views::View* view);
  87
  88   MessageCenter* message_center_;  // Weak reference.
  89   MessageCenterTray* tray_;  // Weak reference.
  90   std::vector<MessageView*> message_views_;  // Weak references.
  91
  92   // Child views.
  93   views::ScrollView* scroller_;
  94   MessageListView* message_list_view_;
  95   NotifierSettingsView* settings_view_;
  96   MessageCenterButtonBar* button_bar_;
  97   views::View* no_notifications_message_view_;
  98   bool top_down_;
  99
 100   // Data for transition animation between settings view and message list.
 101   bool settings_visible_;
 102
 103   // Animation managing transition between message center and settings (and vice
 104   // versa).
 105   scoped_ptr<ui::MultiAnimation> settings_transition_animation_;
 106
 107   // Helper data to keep track of the transition between settings and
 108   // message center views.
 109   views::View* source_view_;
 110   int source_height_;
 111   views::View* target_view_;
 112   int target_height_;
 113
 114   // True when the widget is closing so that further operations should be
 115   // ignored.
 116   bool is_closing_;
 117
 118   DISALLOW_COPY_AND_ASSIGN(MessageCenterView);
 119 };
 120
 121 }  // namespace message_center
 122
 123 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_