| // Copyright (c) 2012 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 "ui/views/controls/focusable_border.h" |
| |
| #include "cc/paint/paint_flags.h" |
| #include "third_party/skia/include/core/SkPath.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/gfx/color_palette.h" |
| #include "ui/gfx/color_utils.h" |
| #include "ui/gfx/geometry/insets.h" |
| #include "ui/gfx/geometry/safe_integer_conversions.h" |
| #include "ui/gfx/scoped_canvas.h" |
| #include "ui/gfx/skia_util.h" |
| #include "ui/native_theme/native_theme.h" |
| #include "ui/views/controls/textfield/textfield.h" |
| |
| namespace { |
| |
| const int kInsetSize = 1; |
| |
| } // namespace |
| |
| namespace views { |
| |
| FocusableBorder::FocusableBorder() : insets_(kInsetSize) {} |
| |
| FocusableBorder::~FocusableBorder() { |
| } |
| |
| void FocusableBorder::SetColorId( |
| const base::Optional<ui::NativeTheme::ColorId>& color_id) { |
| override_color_id_ = color_id; |
| } |
| |
| void FocusableBorder::Paint(const View& view, gfx::Canvas* canvas) { |
| cc::PaintFlags flags; |
| flags.setStyle(cc::PaintFlags::kStroke_Style); |
| flags.setColor(GetCurrentColor(view)); |
| |
| gfx::ScopedCanvas scoped(canvas); |
| float dsf = canvas->UndoDeviceScaleFactor(); |
| |
| const int stroke_width_px = 1; |
| flags.setStrokeWidth(SkIntToScalar(stroke_width_px)); |
| |
| // Scale the rect and snap to pixel boundaries. |
| gfx::RectF rect(gfx::ScaleToEnclosedRect(view.GetLocalBounds(), dsf)); |
| rect.Inset(gfx::InsetsF(stroke_width_px / 2.0f)); |
| |
| SkPath path; |
| flags.setAntiAlias(true); |
| float corner_radius_px = kCornerRadiusDp * dsf; |
| path.addRoundRect(gfx::RectFToSkRect(rect), corner_radius_px, |
| corner_radius_px); |
| |
| canvas->DrawPath(path, flags); |
| } |
| |
| gfx::Insets FocusableBorder::GetInsets() const { |
| return insets_; |
| } |
| |
| gfx::Size FocusableBorder::GetMinimumSize() const { |
| return gfx::Size(); |
| } |
| |
| void FocusableBorder::SetInsets(int top, int left, int bottom, int right) { |
| insets_.Set(top, left, bottom, right); |
| } |
| |
| void FocusableBorder::SetInsets(int vertical, int horizontal) { |
| SetInsets(vertical, horizontal, vertical, horizontal); |
| } |
| |
| SkColor FocusableBorder::GetCurrentColor(const View& view) const { |
| ui::NativeTheme::ColorId color_id = |
| ui::NativeTheme::kColorId_UnfocusedBorderColor; |
| if (override_color_id_) |
| color_id = *override_color_id_; |
| |
| SkColor color = view.GetNativeTheme()->GetSystemColor(color_id); |
| return view.enabled() ? color |
| : color_utils::BlendTowardMaxContrast( |
| color, gfx::kDisabledControlAlpha); |
| } |
| |
| } // namespace views |