ash/launcher/overflow_bubble.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 ASH_LAUNCHER_OVERFLOW_BUBBLE_H_
   6 #define ASH_LAUNCHER_OVERFLOW_BUBBLE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "ui/views/widget/widget_observer.h"
  11
  12 namespace views {
  13 class View;
  14 }
  15
  16 namespace ash {
  17
  18 class LauncherDelegate;
  19 class LauncherModel;
  20
  21 namespace internal {
  22
  23 class LauncherView;
  24
  25 // OverflowBubble displays the overflown launcher items in a bubble.
  26 class OverflowBubble : public views::WidgetObserver {
  27  public:
  28   OverflowBubble();
  29   virtual ~OverflowBubble();
  30
  31   void Show(LauncherDelegate* delegate,
  32             LauncherModel* model,
  33             views::View* anchor,
  34             int overflow_start_index);
  35
  36   void Hide();
  37
  38   bool IsShowing() const { return !!bubble_; }
  39
  40  private:
  41   // Overridden from views::WidgetObserver:
  42   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
  43
  44   views::View* bubble_;  // Owned by views hierarchy.
  45
  46   DISALLOW_COPY_AND_ASSIGN(OverflowBubble);
  47 };
  48
  49 }  // namespace internal
  50 }  // namespace ash
  51
  52 #endif  // ASH_LAUNCHER_OVERFLOW_BUBBLE_H_