Re-factor Ash Message Center code part 2/4

ash/system/tray/tray_background_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 #define ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/background_animator.h"
+#include "ash/system/tray/tray_bubble_view.h"
 #include "ash/system/tray/tray_views.h"
 #include "ash/wm/shelf_types.h"
 
 namespace ash {
 namespace internal {
 
 class StatusAreaWidget;
 class TrayBackground;
 class TrayLayerAnimationObserver;
 
@@ skipping 55 matching lines @@
 
   // Overridden from internal::BackgroundAnimatorDelegate.
   virtual void UpdateBackground(int alpha) OVERRIDE;
 
   // Called whenever the shelf alignment changes.
   virtual void SetShelfAlignment(ShelfAlignment alignment);
 
   // Called when the anchor (tray or bubble) may have moved or changed.
   virtual void AnchorUpdated() {}
 
+  // Called from GetAccessibleState, must return a valid accessible name.
   virtual string16 GetAccessibleName() = 0;
 
+  // Hide the bubble associated with |bubble_view|. Called when the widget
+  // is closed.
+  virtual void HideBubble(TrayBubbleView* bubble_view) = 0;
+
+  // Called by the bubble wrapper when a click event occurs outside the bubble.
+  // May close the bubble. Returns true if the event is handled.
+  virtual bool ClickedOutsideBubble() = 0;
+
   // Sets |contents| as a child.
   void SetContents(views::View* contents);
 
   // Creates and sets contents background to |background_|.
   void SetContentsBackground();
 
   // Sets whether the tray paints a background. Default is true, but is set to
   // false if a window overlaps the shelf.
   void SetPaintsBackground(
       bool value,
       internal::BackgroundAnimator::ChangeType change_type);
 
+  // Initialize animations for the bubble.
+  void InitializeBubbleAnimations(views::Widget* bubble_widget);
+
+  // Returns the window hosting the bubble.
+  aura::Window* GetBubbleWindowContainer() const;
+
+  // Returns the anchor rect for the bubble.
+  gfx::Rect GetAnchorRect(
+      views::Widget* anchor_widget,
+      TrayBubbleView::AnchorType anchor_type,
+      TrayBubbleView::AnchorAlignment anchor_alignment) const;
+
+  // Returns the bubble anchor alignment based on |shelf_alignment_|.
+  TrayBubbleView::AnchorAlignment GetAnchorAlignment() const;
+
   StatusAreaWidget* status_area_widget() {
     return status_area_widget_;
   }
   TrayContainer* tray_container() const { return tray_container_; }
   ShelfAlignment shelf_alignment() const { return shelf_alignment_; }
 
  private:
   friend class TrayLayerAnimationObserver;
 
   // Called from Initialize after all status area trays have been created.
@@ skipping 17 matching lines @@
   scoped_ptr<internal::TrayLayerAnimationObserver>
       layer_animation_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBackgroundView);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_