Upstream version 9.37.197.0

[platform/framework/web/crosswalk.git] / src / ui / views / controls / button / text_button.h

diff --git a/src/ui/views/controls/button/text_button.h b/src/ui/views/controls/button/text_button.h
index 9185b59..49c4f3f 100644 (file)
--- a/src/ui/views/controls/button/text_button.h
+++ b/src/ui/views/controls/button/text_button.h
@@ -161,9 +161,9 @@ class VIEWS_EXPORT TextButtonBase : public CustomButton,
   virtual void PaintButton(gfx::Canvas* canvas, PaintButtonMode mode);
 
   // Overridden from View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual gfx::Size GetMinimumSize() OVERRIDE;
-  virtual int GetHeightForWidth(int w) OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
+  virtual gfx::Size GetMinimumSize() const OVERRIDE;
+  virtual int GetHeightForWidth(int w) const OVERRIDE;
   virtual void OnEnabledChanged() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
@@ -182,7 +182,12 @@ class VIEWS_EXPORT TextButtonBase : public CustomButton,
   void UpdateTextSize();
 
   // Calculate the size of the text size without setting any of the members.
-  void CalculateTextSize(gfx::Size* text_size, int max_width);
+  void CalculateTextSize(gfx::Size* text_size, int max_width) const;
+
+  // Paint the button's text into the specified canvas. If |mode| is
+  // |PB_FOR_DRAG|, the function paints a drag image representation. Derived
+  // can override this function to change only the text rendering.
+  virtual void OnPaintText(gfx::Canvas* canvas, PaintButtonMode mode);
 
   void set_color_enabled(SkColor color) { color_enabled_ = color; }
   void set_color_disabled(SkColor color) { color_disabled_ = color; }
@@ -228,7 +233,7 @@ class VIEWS_EXPORT TextButtonBase : public CustomButton,
   base::string16 text_;
 
   // The size of the text string.
-  gfx::Size text_size_;
+  mutable gfx::Size text_size_;
 
   // Track the size of the largest text string seen so far, so that
   // changing text_ will not resize the button boundary.
@@ -321,13 +326,18 @@ class VIEWS_EXPORT TextButton : public TextButtonBase {
   void set_full_justification(bool full_justification);
 
   // Overridden from View:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
 
   // Overridden from TextButtonBase:
   virtual void PaintButton(gfx::Canvas* canvas, PaintButtonMode mode) OVERRIDE;
 
  protected:
+  // Paint the button's icon into the specified canvas. If |mode| is
+  // |PB_FOR_DRAG|, the function paints a drag image representation. Derived
+  // can override this function to change only the icon rendering.
+  virtual void OnPaintIcon(gfx::Canvas* canvas, PaintButtonMode mode);
+
   gfx::ImageSkia icon() const { return icon_; }
 
   virtual const gfx::ImageSkia& GetImageToPaint() const;