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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 #include "ui/views/controls/focusable_border.h"
      6 
      7 #include "ui/gfx/canvas.h"
      8 #include "ui/gfx/insets.h"
      9 #include "ui/gfx/skia_util.h"
     10 #include "ui/native_theme/native_theme.h"
     11 
     12 namespace {
     13 
     14 // Define the size of the insets
     15 const int kTopInsetSize = 4;
     16 const int kLeftInsetSize = 4;
     17 const int kBottomInsetSize = 4;
     18 const int kRightInsetSize = 4;
     19 
     20 }  // namespace
     21 
     22 namespace views {
     23 
     24 FocusableBorder::FocusableBorder()
     25     : insets_(kTopInsetSize, kLeftInsetSize,
     26               kBottomInsetSize, kRightInsetSize),
     27       override_color_(SK_ColorWHITE),
     28       use_default_color_(true) {
     29 }
     30 
     31 void FocusableBorder::SetColor(SkColor color) {
     32   override_color_ = color;
     33   use_default_color_ = false;
     34 }
     35 
     36 void FocusableBorder::UseDefaultColor() {
     37   use_default_color_ = true;
     38 }
     39 
     40 void FocusableBorder::Paint(const View& view, gfx::Canvas* canvas) {
     41   SkPath path;
     42   path.addRect(gfx::RectToSkRect(view.GetLocalBounds()), SkPath::kCW_Direction);
     43   SkPaint paint;
     44   paint.setStyle(SkPaint::kStroke_Style);
     45   SkColor color = override_color_;
     46   if (use_default_color_) {
     47     color = view.GetNativeTheme()->GetSystemColor(
     48         view.HasFocus() ? ui::NativeTheme::kColorId_FocusedBorderColor :
     49                           ui::NativeTheme::kColorId_UnfocusedBorderColor);
     50   }
     51 
     52   paint.setColor(color);
     53   paint.setStrokeWidth(SkIntToScalar(2));
     54 
     55   canvas->DrawPath(path, paint);
     56 }
     57 
     58 gfx::Insets FocusableBorder::GetInsets() const {
     59   return insets_;
     60 }
     61 
     62 gfx::Size FocusableBorder::GetMinimumSize() const {
     63   return gfx::Size();
     64 }
     65 
     66 void FocusableBorder::SetInsets(int top, int left, int bottom, int right) {
     67   insets_.Set(top, left, bottom, right);
     68 }
     69 
     70 }  // namespace views
     71