ui/views/controls/button/label_button_border.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_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/geometry/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   ~LabelButtonBorder() override;
  23
  24   // Returns the default insets for a given |style|.
  25   static gfx::Insets GetDefaultInsetsForStyle(Button::ButtonStyle style);
  26
  27   Button::ButtonStyle style() const { return style_; }
  28
  29   // Overridden from Border:
  30   void Paint(const View& view, gfx::Canvas* canvas) override;
  31   gfx::Insets GetInsets() const override;
  32   gfx::Size GetMinimumSize() const override;
  33
  34   void set_insets(const gfx::Insets& insets) { insets_ = insets; }
  35
  36   // Get or set the painter used for the specified |focused| button |state|.
  37   // LabelButtonBorder takes and retains ownership of |painter|.
  38   Painter* GetPainter(bool focused, Button::ButtonState state);
  39   void SetPainter(bool focused, Button::ButtonState state, Painter* painter);
  40
  41  private:
  42   // The painters used for each unfocused or focused button state.
  43   scoped_ptr<Painter> painters_[2][Button::STATE_COUNT];
  44
  45   // The button style supplied in part by this border.
  46   Button::ButtonStyle style_;
  47
  48   gfx::Insets insets_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(LabelButtonBorder);
  51 };
  52
  53 }  // namespace views
  54
  55 #endif  // UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_