ui/views/controls/focusable_border.cc

   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/geometry/insets.h"
   9 #include "ui/gfx/skia_util.h"
  10 #include "ui/native_theme/native_theme.h"
  11
  12 namespace {
  13
  14 const int kInsetSize = 1;
  15
  16 }  // namespace
  17
  18 namespace views {
  19
  20 FocusableBorder::FocusableBorder()
  21     : insets_(kInsetSize, kInsetSize, kInsetSize, kInsetSize),
  22       override_color_(SK_ColorWHITE),
  23       use_default_color_(true) {
  24 }
  25
  26 FocusableBorder::~FocusableBorder() {
  27 }
  28
  29 void FocusableBorder::SetColor(SkColor color) {
  30   override_color_ = color;
  31   use_default_color_ = false;
  32 }
  33
  34 void FocusableBorder::UseDefaultColor() {
  35   use_default_color_ = true;
  36 }
  37
  38 void FocusableBorder::Paint(const View& view, gfx::Canvas* canvas) {
  39   SkPath path;
  40   path.addRect(gfx::RectToSkRect(view.GetLocalBounds()), SkPath::kCW_Direction);
  41   SkPaint paint;
  42   paint.setStyle(SkPaint::kStroke_Style);
  43   SkColor color = override_color_;
  44   if (use_default_color_) {
  45     color = view.GetNativeTheme()->GetSystemColor(
  46         view.HasFocus() ? ui::NativeTheme::kColorId_FocusedBorderColor :
  47                           ui::NativeTheme::kColorId_UnfocusedBorderColor);
  48   }
  49
  50   paint.setColor(color);
  51   paint.setStrokeWidth(SkIntToScalar(2));
  52
  53   canvas->DrawPath(path, paint);
  54 }
  55
  56 gfx::Insets FocusableBorder::GetInsets() const {
  57   return insets_;
  58 }
  59
  60 gfx::Size FocusableBorder::GetMinimumSize() const {
  61   return gfx::Size();
  62 }
  63
  64 void FocusableBorder::SetInsets(int top, int left, int bottom, int right) {
  65   insets_.Set(top, left, bottom, right);
  66 }
  67
  68 }  // namespace views