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// Copyright 2012 The Chromium Authors
// 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/base/ui_base_features.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.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/skia_conversions.h"
#include "ui/gfx/scoped_canvas.h"
#include "ui/views/controls/focus_ring.h"
#include "ui/views/controls/textfield/textfield.h"
namespace {
constexpr int kInsetSize = 1;
} // namespace
namespace views {
FocusableBorder::FocusableBorder()
: insets_(kInsetSize), corner_radius_(FocusRing::kDefaultCornerRadiusDp) {
SetColor(ui::kColorFocusableBorderUnfocused);
}
FocusableBorder::~FocusableBorder() = default;
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);
const float dsf = canvas->UndoDeviceScaleFactor();
const float kStrokeWidth = dsf;
flags.setStrokeWidth(kStrokeWidth);
// Scale the rect and snap to pixel boundaries.
gfx::RectF rect(gfx::ScaleToEnclosedRect(view.GetLocalBounds(), dsf));
rect.Inset(gfx::InsetsF(kStrokeWidth / 2.0f));
SkPath path;
flags.setAntiAlias(true);
float corner_radius_px = corner_radius_ * 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(const gfx::Insets& insets) {
insets_ = insets;
}
void FocusableBorder::SetCornerRadius(float radius) {
corner_radius_ = radius;
}
SkColor FocusableBorder::GetCurrentColor(const View& view) const {
SkColor resolved_color = color().ResolveToSkColor(view.GetColorProvider());
return view.GetEnabled() ? resolved_color
: color_utils::BlendTowardMaxContrast(
resolved_color, gfx::kDisabledControlAlpha);
}
} // namespace views
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