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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     : has_focus_(false),
     26       insets_(kTopInsetSize, kLeftInsetSize,
     27               kBottomInsetSize, kRightInsetSize),
     28       override_color_(SK_ColorWHITE),
     29       use_default_color_(true) {
     30 }
     31 
     32 void FocusableBorder::SetColor(SkColor color) {
     33   override_color_ = color;
     34   use_default_color_ = false;
     35 }
     36 
     37 void FocusableBorder::UseDefaultColor() {
     38   use_default_color_ = true;
     39 }
     40 
     41 void FocusableBorder::Paint(const View& view, gfx::Canvas* canvas) {
     42   SkPath path;
     43   path.addRect(gfx::RectToSkRect(view.GetLocalBounds()), SkPath::kCW_Direction);
     44   SkPaint paint;
     45   paint.setStyle(SkPaint::kStroke_Style);
     46   SkColor color = override_color_;
     47   if (use_default_color_) {
     48     color = view.GetNativeTheme()->GetSystemColor(
     49         has_focus_ ? ui::NativeTheme::kColorId_FocusedBorderColor :
     50                      ui::NativeTheme::kColorId_UnfocusedBorderColor);
     51   }
     52 
     53   paint.setColor(color);
     54   paint.setStrokeWidth(SkIntToScalar(2));
     55 
     56   canvas->DrawPath(path, paint);
     57 }
     58 
     59 gfx::Insets FocusableBorder::GetInsets() const {
     60   return insets_;
     61 }
     62 
     63 void FocusableBorder::SetInsets(int top, int left, int bottom, int right) {
     64   insets_.Set(top, left, bottom, right);
     65 }
     66 
     67 }  // namespace views
     68