highlight_border.cc 6.3 KB

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  1. // Copyright 2022 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. #include "ui/views/highlight_border.h"
  5. #include "chromeos/constants/chromeos_features.h"
  6. #include "ui/color/color_id.h"
  7. #include "ui/color/color_provider.h"
  8. #include "ui/gfx/canvas.h"
  9. #include "ui/gfx/geometry/dip_util.h"
  10. #include "ui/gfx/geometry/rounded_corners_f.h"
  11. #include "ui/gfx/geometry/skia_conversions.h"
  12. #include "ui/gfx/scoped_canvas.h"
  13. #include "ui/views/view.h"
  14. namespace views {
  15. // static
  16. void HighlightBorder::PaintBorderToCanvas(
  17. gfx::Canvas* canvas,
  18. const views::View& view,
  19. const gfx::Rect& bounds,
  20. const gfx::RoundedCornersF& corner_radii,
  21. Type type,
  22. bool use_light_colors) {
  23. SkColor inner_color = GetHighlightColor(view, type, use_light_colors);
  24. SkColor outer_color = GetBorderColor(view, type, use_light_colors);
  25. cc::PaintFlags flags;
  26. flags.setStrokeWidth(kHighlightBorderThickness);
  27. flags.setColor(outer_color);
  28. flags.setStyle(cc::PaintFlags::kStroke_Style);
  29. flags.setAntiAlias(true);
  30. const float half_thickness = kHighlightBorderThickness / 2.0f;
  31. // Scale bounds and corner radius with device scale factor to make sure
  32. // border bounds match content bounds but keep border stroke width the same.
  33. gfx::ScopedCanvas scoped_canvas(canvas);
  34. const float dsf = canvas->UndoDeviceScaleFactor();
  35. const gfx::RectF pixel_bounds = gfx::ConvertRectToPixels(bounds, dsf);
  36. const SkScalar radii[8] = {
  37. corner_radii.upper_left() * dsf, corner_radii.upper_left() * dsf,
  38. corner_radii.upper_right() * dsf, corner_radii.upper_right() * dsf,
  39. corner_radii.lower_right() * dsf, corner_radii.lower_right() * dsf,
  40. corner_radii.lower_left() * dsf, corner_radii.lower_left() * dsf};
  41. gfx::RectF outer_border_bounds(pixel_bounds);
  42. outer_border_bounds.Inset(half_thickness);
  43. SkPath outer_path;
  44. outer_path.addRoundRect(gfx::RectFToSkRect(outer_border_bounds), radii);
  45. canvas->DrawPath(outer_path, flags);
  46. gfx::RectF inner_border_bounds(pixel_bounds);
  47. inner_border_bounds.Inset(kHighlightBorderThickness);
  48. inner_border_bounds.Inset(half_thickness);
  49. flags.setColor(inner_color);
  50. SkPath inner_path;
  51. inner_path.addRoundRect(gfx::RectFToSkRect(inner_border_bounds), radii);
  52. canvas->DrawPath(inner_path, flags);
  53. }
  54. // static
  55. SkColor HighlightBorder::GetHighlightColor(const views::View& view,
  56. HighlightBorder::Type type,
  57. bool use_light_colors) {
  58. ui::ColorId highlight_color_id;
  59. if (use_light_colors) {
  60. // TODO(crbug/1319917): These light color values are used here since we want
  61. // to use light colors when dark/light mode feature is not enabled. This
  62. // should be removed after dark light mode is launched.
  63. DCHECK(!chromeos::features::IsDarkLightModeEnabled());
  64. // `kHighlightBorder3` can only be used when the dark light mode is enabled.
  65. DCHECK(type != HighlightBorder::Type::kHighlightBorder3);
  66. highlight_color_id = type == HighlightBorder::Type::kHighlightBorder1
  67. ? ui::kColorAshSystemUILightHighlightColor1
  68. : ui::kColorAshSystemUILightHighlightColor2;
  69. } else {
  70. switch (type) {
  71. case HighlightBorder::Type::kHighlightBorder1:
  72. highlight_color_id = ui::kColorHighlightBorderHighlight1;
  73. break;
  74. case HighlightBorder::Type::kHighlightBorder2:
  75. highlight_color_id = ui::kColorHighlightBorderHighlight2;
  76. break;
  77. case HighlightBorder::Type::kHighlightBorder3:
  78. highlight_color_id = ui::kColorHighlightBorderHighlight3;
  79. break;
  80. }
  81. }
  82. // `view` should be embedded in a Widget to use color provider.
  83. DCHECK(view.GetWidget());
  84. return view.GetColorProvider()->GetColor(highlight_color_id);
  85. }
  86. // static
  87. SkColor HighlightBorder::GetBorderColor(const views::View& view,
  88. HighlightBorder::Type type,
  89. bool use_light_colors) {
  90. ui::ColorId border_color_id;
  91. if (use_light_colors) {
  92. // TODO(crbug/1319917): These light color values are used here since we want
  93. // to use light colors when dark/light mode feature is not enabled. This
  94. // should be removed after dark light mode is launched.
  95. DCHECK(!chromeos::features::IsDarkLightModeEnabled());
  96. // `kHighlightBorder3` can only be used when the dark light mode is enabled.
  97. DCHECK(type != HighlightBorder::Type::kHighlightBorder3);
  98. border_color_id = type == HighlightBorder::Type::kHighlightBorder1
  99. ? ui::kColorAshSystemUILightBorderColor1
  100. : ui::kColorAshSystemUILightBorderColor2;
  101. } else {
  102. switch (type) {
  103. case HighlightBorder::Type::kHighlightBorder1:
  104. border_color_id = ui::kColorHighlightBorderBorder1;
  105. break;
  106. case HighlightBorder::Type::kHighlightBorder2:
  107. border_color_id = ui::kColorHighlightBorderBorder2;
  108. break;
  109. case HighlightBorder::Type::kHighlightBorder3:
  110. border_color_id = ui::kColorHighlightBorderBorder3;
  111. break;
  112. }
  113. }
  114. // `view` should be embedded in a Widget to use color provider.
  115. DCHECK(view.GetWidget());
  116. return view.GetColorProvider()->GetColor(border_color_id);
  117. }
  118. HighlightBorder::HighlightBorder(int corner_radius,
  119. Type type,
  120. bool use_light_colors,
  121. InsetsType insets_type)
  122. : corner_radius_(corner_radius),
  123. type_(type),
  124. use_light_colors_(use_light_colors),
  125. insets_type_(insets_type) {}
  126. void HighlightBorder::Paint(const views::View& view, gfx::Canvas* canvas) {
  127. PaintBorderToCanvas(canvas, view, view.GetLocalBounds(),
  128. gfx::RoundedCornersF(corner_radius_), type_,
  129. use_light_colors_);
  130. }
  131. gfx::Insets HighlightBorder::GetInsets() const {
  132. switch (insets_type_) {
  133. case InsetsType::kNoInsets:
  134. return gfx::Insets();
  135. case InsetsType::kHalfInsets:
  136. return gfx::Insets(kHighlightBorderThickness);
  137. case InsetsType::kFullInsets:
  138. return gfx::Insets(2 * kHighlightBorderThickness);
  139. }
  140. }
  141. gfx::Size HighlightBorder::GetMinimumSize() const {
  142. return gfx::Size(kHighlightBorderThickness * 4,
  143. kHighlightBorderThickness * 4);
  144. }
  145. } // namespace views