ui/message_center/views/message_bubble_base.h

   1 // Copyright (c) 2012 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_BUBBLE_BASE_H_
   6 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_BUBBLE_BASE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/message_center/message_center.h"
  10 #include "ui/message_center/message_center_export.h"
  11 #include "ui/views/bubble/tray_bubble_view.h"
  12
  13 namespace message_center {
  14 class MessageCenterTray;
  15
  16 class MESSAGE_CENTER_EXPORT MessageBubbleBase {
  17  public:
  18   MessageBubbleBase(MessageCenter* message_center, MessageCenterTray* tray);
  19
  20   virtual ~MessageBubbleBase();
  21
  22   // Gets called when the bubble view associated with this bubble is
  23   // destroyed. Clears |bubble_view_| and calls OnBubbleViewDestroyed.
  24   void BubbleViewDestroyed();
  25
  26   // Sets/Gets the maximum height of the bubble view. Setting 0 changes the
  27   // bubble to the default size. max_height() will return the default size
  28   // if SetMaxHeight() has not been called yet.
  29   void SetMaxHeight(int height);
  30   int max_height() const { return max_height_; }
  31
  32   // Gets the init params for the implementation.
  33   virtual views::TrayBubbleView::InitParams GetInitParams(
  34       views::TrayBubbleView::AnchorAlignment anchor_alignment) = 0;
  35
  36   // Called after the bubble view has been constructed. Creates and initializes
  37   // the bubble contents.
  38   virtual void InitializeContents(views::TrayBubbleView* bubble_view) = 0;
  39
  40   // Called from BubbleViewDestroyed for implementation specific details.
  41   virtual void OnBubbleViewDestroyed() = 0;
  42
  43   // Updates the bubble; implementation dependent.
  44   virtual void UpdateBubbleView() = 0;
  45
  46   // Called when the mouse enters/exists the view.
  47   virtual void OnMouseEnteredView() = 0;
  48   virtual void OnMouseExitedView() = 0;
  49
  50   // Schedules bubble for layout after all notifications have been
  51   // added and icons have had a chance to load.
  52   void ScheduleUpdate();
  53
  54   bool IsVisible() const;
  55
  56   views::TrayBubbleView* bubble_view() const { return bubble_view_; }
  57
  58   static const SkColor kBackgroundColor;
  59
  60  protected:
  61   views::TrayBubbleView::InitParams GetDefaultInitParams(
  62       views::TrayBubbleView::AnchorAlignment anchor_alignment);
  63   MessageCenter* message_center() { return message_center_; }
  64   MessageCenterTray* tray() { return tray_; }
  65   void set_bubble_view(views::TrayBubbleView* bubble_view) {
  66     bubble_view_ = bubble_view;
  67   }
  68
  69  private:
  70   MessageCenter* message_center_;
  71   MessageCenterTray* tray_;
  72   views::TrayBubbleView* bubble_view_;
  73   base::WeakPtrFactory<MessageBubbleBase> weak_ptr_factory_;
  74   int max_height_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(MessageBubbleBase);
  77 };
  78
  79 }  // namespace message_center
  80
  81 #endif // UI_MESSAGE_CENTER_VIEWS_MESSAGE_BUBBLE_BASE_H_