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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/projector/ui/projector_button.h"
#include <utility>
#include "ash/public/cpp/style/color_provider.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/style/ash_color_id.h"
#include "ash/style/style_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/animation/ink_drop.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/controls/highlight_path_generator.h"
namespace ash {
namespace {
constexpr gfx::Insets kButtonPadding{0};
} // namespace
ProjectorButton::ProjectorButton(views::Button::PressedCallback callback,
const std::u16string& name)
: ToggleImageButton(std::move(callback)) {
SetPreferredSize(gfx::Size(kProjectorButtonSize, kProjectorButtonSize));
SetBorder(views::CreateEmptyBorder(kButtonPadding));
// Rounded background.
views::InstallRoundRectHighlightPathGenerator(this, gfx::Insets(),
kProjectorButtonSize / 2.f);
views::InkDrop::UseInkDropForFloodFillRipple(views::InkDrop::Get(this),
/*highlight_on_hover=*/true,
/*highlight_on_focus=*/true);
SetTooltipText(name);
GetViewAccessibility().SetRole(ax::mojom::Role::kButton);
GetViewAccessibility().SetName(name);
}
void ProjectorButton::OnPaintBackground(gfx::Canvas* canvas) {
if (!GetToggled()) {
return;
}
const auto* color_provider = GetColorProvider();
// Draw a filled background for the button.
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setStyle(cc::PaintFlags::kFill_Style);
flags.setColor(
color_provider->GetColor(kColorAshControlBackgroundColorInactive));
const gfx::RectF bounds(GetContentsBounds());
canvas->DrawCircle(bounds.CenterPoint(), bounds.width() / 2, flags);
// Draw a border on the background circle.
cc::PaintFlags border_flags;
border_flags.setAntiAlias(true);
border_flags.setStyle(cc::PaintFlags::kStroke_Style);
border_flags.setColor(color_provider->GetColor(kColorAshHairlineBorderColor));
border_flags.setStrokeWidth(kProjectorButtonBorderSize);
canvas->DrawCircle(bounds.CenterPoint(),
(bounds.width() - kProjectorButtonBorderSize * 2) / 2,
border_flags);
}
void ProjectorButton::OnThemeChanged() {
views::ToggleImageButton::OnThemeChanged();
// Ink Drop.
views::InkDrop::Get(this)->SetMode(views::InkDropHost::InkDropMode::ON);
SetHasInkDropActionOnClick(true);
StyleUtil::ConfigureInkDropAttributes(
this, StyleUtil::kBaseColor | StyleUtil::kHighlightOpacity);
}
BEGIN_METADATA(ProjectorButton)
END_METADATA
} // namespace ash
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