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      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_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_
      6 #define UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "ui/gfx/insets.h"
     12 #include "ui/views/border.h"
     13 #include "ui/views/controls/button/button.h"
     14 #include "ui/views/painter.h"
     15 
     16 namespace views {
     17 
     18 // A Border that paints a LabelButton's background frame.
     19 class VIEWS_EXPORT LabelButtonBorder : public Border {
     20  public:
     21   explicit LabelButtonBorder(Button::ButtonStyle style);
     22   virtual ~LabelButtonBorder();
     23 
     24   Button::ButtonStyle style() const { return style_; }
     25 
     26   // Overridden from Border:
     27   virtual void Paint(const View& view, gfx::Canvas* canvas) OVERRIDE;
     28   virtual gfx::Insets GetInsets() const OVERRIDE;
     29   virtual gfx::Size GetMinimumSize() const OVERRIDE;
     30 
     31   void set_insets(const gfx::Insets& insets) { insets_ = insets; }
     32 
     33   // Get or set the painter used for the specified |focused| button |state|.
     34   // LabelButtonBorder takes and retains ownership of |painter|.
     35   Painter* GetPainter(bool focused, Button::ButtonState state);
     36   void SetPainter(bool focused, Button::ButtonState state, Painter* painter);
     37 
     38  private:
     39   // The painters used for each unfocused or focused button state.
     40   scoped_ptr<Painter> painters_[2][Button::STATE_COUNT];
     41 
     42   // The button style supplied in part by this border.
     43   Button::ButtonStyle style_;
     44 
     45   gfx::Insets insets_;
     46 
     47   DISALLOW_COPY_AND_ASSIGN(LabelButtonBorder);
     48 };
     49 
     50 }  // namespace views
     51 
     52 #endif  // UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_
     53