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
   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   ~MessageCenterView() override;
  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   void Layout() override;
  72   gfx::Size GetPreferredSize() const override;
  73   int GetHeightForWidth(int width) const override;
  74   bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
  75   void OnMouseExited(const ui::MouseEvent& event) override;
  76
  77   // Overridden from MessageCenterObserver:
  78   void OnNotificationAdded(const std::string& id) override;
  79   void OnNotificationRemoved(const std::string& id, bool by_user) override;
  80   void OnNotificationUpdated(const std::string& id) override;
  81
  82   // Overridden from MessageCenterController:
  83   void ClickOnNotification(const std::string& notification_id) override;
  84   void RemoveNotification(const std::string& notification_id,
  85                           bool by_user) override;
  86   scoped_ptr<ui::MenuModel> CreateMenuModel(
  87       const NotifierId& notifier_id,
  88       const base::string16& display_source) override;
  89   bool HasClickedListener(const std::string& notification_id) override;
  90   void ClickOnNotificationButton(const std::string& notification_id,
  91                                  int button_index) override;
  92
  93   // Overridden from gfx::AnimationDelegate:
  94   void AnimationEnded(const gfx::Animation* animation) override;
  95   void AnimationProgressed(const gfx::Animation* animation) override;
  96   void AnimationCanceled(const gfx::Animation* animation) override;
  97
  98  private:
  99   friend class MessageCenterViewTest;
 100
 101   void AddNotificationAt(const Notification& notification, int index);
 102   void NotificationsChanged();
 103   void SetNotificationViewForTest(MessageView* view);
 104
 105   MessageCenter* message_center_;  // Weak reference.
 106   MessageCenterTray* tray_;  // Weak reference.
 107
 108   // Map notification_id->NotificationView*. It contains all NotificationViews
 109   // currently displayed in MessageCenter.
 110   typedef std::map<std::string, NotificationView*> NotificationViewsMap;
 111   NotificationViewsMap notification_views_;  // Weak.
 112
 113   // Child views.
 114   views::ScrollView* scroller_;
 115   scoped_ptr<MessageListView> message_list_view_;
 116   scoped_ptr<views::View> empty_list_view_;
 117   NotifierSettingsView* settings_view_;
 118   MessageCenterButtonBar* button_bar_;
 119   bool top_down_;
 120
 121   // Data for transition animation between settings view and message list.
 122   bool settings_visible_;
 123
 124   // Animation managing transition between message center and settings (and vice
 125   // versa).
 126   scoped_ptr<gfx::MultiAnimation> settings_transition_animation_;
 127
 128   // Helper data to keep track of the transition between settings and
 129   // message center views.
 130   views::View* source_view_;
 131   int source_height_;
 132   views::View* target_view_;
 133   int target_height_;
 134
 135   // True when the widget is closing so that further operations should be
 136   // ignored.
 137   bool is_closing_;
 138
 139   scoped_ptr<MessageViewContextMenuController> context_menu_controller_;
 140
 141   DISALLOW_COPY_AND_ASSIGN(MessageCenterView);
 142 };
 143
 144 }  // namespace message_center
 145
 146 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_