Convert AvatarLabel from TextButton to LabelButton.

chrome/browser/ui/views/avatar_label.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/avatar_label.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/themes/theme_properties.h"
-#include "chrome/browser/ui/views/avatar_menu_bubble_view.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/theme_provider.h"
-#include "ui/events/event.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/color_utils.h"
-#include "ui/gfx/font_list.h"
 #include "ui/views/painter.h"
 
 namespace {
 
-// A special text button border for the managed user avatar label.
-class AvatarLabelBorder: public views::TextButtonBorder {
+// A custom border for the managed user avatar label.
+class AvatarLabelBorder : public views::Border {
  public:
   explicit AvatarLabelBorder(bool label_on_right);
 
-  // views::TextButtonBorder:
+  // views::Border:
   virtual void Paint(const views::View& view, gfx::Canvas* canvas) OVERRIDE;
+  virtual gfx::Insets GetInsets() const OVERRIDE;
   virtual gfx::Size GetMinimumSize() const OVERRIDE;
 
  private:
   scoped_ptr<views::Painter> painter_;
+  gfx::Insets insets_;
 
   DISALLOW_COPY_AND_ASSIGN(AvatarLabelBorder);
 };
 
 AvatarLabelBorder::AvatarLabelBorder(bool label_on_right) {
   const int kHorizontalInsetRight = label_on_right ? 43 : 10;
   const int kHorizontalInsetLeft = label_on_right ? 10 : 43;
   const int kVerticalInsetTop = 2;
   const int kVerticalInsetBottom = 3;
   // We want to align with the top of the tab. This works if the default font
   // size is 13. If it is smaller, we need to increase the TopInset accordingly.
-  const gfx::FontList font_list;
-  int difference =
-      (font_list.GetFontSize() < 13) ? 13 - font_list.GetFontSize() : 0;
-  int addToTop = difference / 2;
-  int addToBottom = difference - addToTop;
-  SetInsets(gfx::Insets(kVerticalInsetTop + addToTop,
+  const int difference = std::max<int>(0, 13 - gfx::FontList().GetFontSize());
+  const int addToTop = difference / 2;
+  const int addToBottom = difference - addToTop;
+  insets_ = gfx::Insets(kVerticalInsetTop + addToTop,
                         kHorizontalInsetLeft,
                         kVerticalInsetBottom + addToBottom,
-                        kHorizontalInsetRight));
+                        kHorizontalInsetRight);
   const int kImages[] = IMAGE_GRID(IDR_MANAGED_USER_LABEL);
   painter_.reset(views::Painter::CreateImageGridPainter(kImages));
 }
 
 void AvatarLabelBorder::Paint(const views::View& view, gfx::Canvas* canvas) {
   // Paint the default background using the image assets provided by UI. This
   // includes a border with almost transparent white color.
   painter_->Paint(canvas, view.size());
 
-  // Now repaint the inner part of the background in order to be able to change
+  // Repaint the inner part of the background in order to be able to change
   // the colors according to the currently installed theme.
   gfx::Rect rect(1, 1, view.size().width() - 2, view.size().height() - 2);
   SkPaint paint;
   int kRadius = 2;
   SkColor background_color = view.GetThemeProvider()->GetColor(
       ThemeProperties::COLOR_MANAGED_USER_LABEL_BACKGROUND);
   paint.setStyle(SkPaint::kFill_Style);
 
-  // For the inner border, use a color which is slightly darker than the
-  // background color.
+  // Paint the inner border with a color slightly darker than the background.
   SkAlpha kAlphaForBlending = 230;
   paint.setColor(color_utils::AlphaBlend(
       background_color, SK_ColorBLACK, kAlphaForBlending));
   canvas->DrawRoundRect(rect, kRadius, paint);
 
-  // Now paint the inner background using the color provided by the
-  // ThemeProvider.
+  // Paint the inner background using the color provided by the ThemeProvider.
   paint.setColor(background_color);
   rect = gfx::Rect(2, 2, view.size().width() - 4, view.size().height() - 4);
   canvas->DrawRoundRect(rect, kRadius, paint);
 }
 
+gfx::Insets AvatarLabelBorder::GetInsets() const {
+  return insets_;
+}
+
 gfx::Size AvatarLabelBorder::GetMinimumSize() const {
   gfx::Size size(4, 4);
   size.SetToMax(painter_->GetMinimumSize());
   return size;
 }
 
 }  // namespace
 
 AvatarLabel::AvatarLabel(BrowserView* browser_view)
-    : TextButton(NULL,
-                 l10n_util::GetStringUTF16(IDS_MANAGED_USER_AVATAR_LABEL)),
+    : LabelButton(NULL,
+                  l10n_util::GetStringUTF16(IDS_MANAGED_USER_AVATAR_LABEL)),
       browser_view_(browser_view) {
-  ClearMaxTextSize();
   SetLabelOnRight(false);
   UpdateLabelStyle();
 }
 
 AvatarLabel::~AvatarLabel() {}
 
 bool AvatarLabel::OnMousePressed(const ui::MouseEvent& event) {
-  if (!TextButton::OnMousePressed(event))
+  if (!LabelButton::OnMousePressed(event))
     return false;
 
   browser_view_->ShowAvatarBubbleFromAvatarButton();
   return true;
 }
 
 void AvatarLabel::UpdateLabelStyle() {
   // |browser_view_| can be NULL in unit tests.
   if (!browser_view_)
     return;
 
   SkColor color_label = browser_view_->frame()->GetThemeProvider()->GetColor(
       ThemeProperties::COLOR_MANAGED_USER_LABEL);
-  SetEnabledColor(color_label);
-  SetHighlightColor(color_label);
-  SetHoverColor(color_label);
-  SetDisabledColor(color_label);
+  for (size_t state = 0; state < STATE_COUNT; ++state)
+    SetTextColor(static_cast<ButtonState>(state), color_label);
   SchedulePaint();
 }
 
 void AvatarLabel::SetLabelOnRight(bool label_on_right) {
   SetBorder(scoped_ptr<views::Border>(new AvatarLabelBorder(label_on_right)));
 }