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      1 // Copyright 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 CHROME_BROWSER_UI_VIEWS_AUTOFILL_INFO_BUBBLE_H_
      6 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_INFO_BUBBLE_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/strings/string16.h"
     11 #include "ui/gfx/insets.h"
     12 #include "ui/views/bubble/bubble_delegate.h"
     13 
     14 namespace autofill {
     15 
     16 class InfoBubbleFrame;
     17 
     18 // Class to create and manage an information bubble for errors or tooltips.
     19 class InfoBubble : public views::BubbleDelegateView {
     20  public:
     21   InfoBubble(views::View* anchor, const base::string16& message);
     22   virtual ~InfoBubble();
     23 
     24   // Shows the bubble. |widget_| will be NULL until this is called.
     25   void Show();
     26 
     27   // Hides and closes the bubble.
     28   void Hide();
     29 
     30   // Updates the position of the bubble.
     31   void UpdatePosition();
     32 
     33   // views::BubbleDelegateView:
     34   virtual views::NonClientFrameView* CreateNonClientFrameView(
     35       views::Widget* widget) OVERRIDE;
     36   virtual gfx::Size GetPreferredSize() OVERRIDE;
     37   virtual void OnWidgetDestroyed(views::Widget* widget) OVERRIDE;
     38   virtual void OnWidgetBoundsChanged(views::Widget* widget,
     39                                      const gfx::Rect& new_bounds) OVERRIDE;
     40 
     41   views::View* anchor() { return anchor_; }
     42 
     43   void set_align_to_anchor_edge(bool align_to_anchor_edge) {
     44     align_to_anchor_edge_ = align_to_anchor_edge;
     45   }
     46 
     47   void set_preferred_width(int preferred_width) {
     48     preferred_width_ = preferred_width;
     49   }
     50 
     51   void set_show_above_anchor(bool show_above_anchor) {
     52     show_above_anchor_ = show_above_anchor;
     53   }
     54 
     55  private:
     56   views::Widget* widget_;  // Weak, may be NULL.
     57   views::View* const anchor_;  // Weak.
     58   InfoBubbleFrame* frame_;  // Weak, owned by widget.
     59 
     60   // Whether the bubble should align its border to the anchor's edge rather than
     61   // horizontally centering the arrow on |anchor_|'s midpoint. Default is false.
     62   bool align_to_anchor_edge_;
     63 
     64   // The width this bubble prefers to be. Default is 0 (no preference).
     65   int preferred_width_;
     66 
     67   // Whether the bubble should be shown above the anchor (default is below).
     68   bool show_above_anchor_;
     69 
     70   DISALLOW_COPY_AND_ASSIGN(InfoBubble);
     71 };
     72 
     73 }  // namespace autofill
     74 
     75 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_INFO_BUBBLE_H_
     76