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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/arc/input_overlay/ui/action_highlight.h"
#include "chrome/browser/ash/arc/input_overlay/actions/action.h"
#include "chrome/browser/ash/arc/input_overlay/db/proto/app_data.pb.h"
#include "chrome/browser/ash/arc/input_overlay/display_overlay_controller.h"
#include "chrome/browser/ash/arc/input_overlay/ui/action_view.h"
#include "chrome/browser/ash/arc/input_overlay/ui/touch_point.h"
#include "chrome/browser/ash/arc/input_overlay/ui/ui_utils.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/chromeos/styles/cros_tokens_color_mappings.h"
#include "ui/color/color_id.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/point.h"
#include "ui/views/view.h"
namespace arc::input_overlay {
namespace {
// ActionHighlight specs.
constexpr int kActionTapCircleRadius = 37;
constexpr int kActionMoveCircleRadius = 69;
constexpr int kCircleStrokeThickness = 2;
} // namespace
ActionHighlight::ActionHighlight(DisplayOverlayController* controller,
ActionView* anchor_view)
: controller_(controller), anchor_view_(anchor_view) {
observation_.Observe(anchor_view);
}
ActionHighlight::~ActionHighlight() {
observation_.Reset();
}
void ActionHighlight::UpdateAnchorView(ActionView* anchor_view) {
if (anchor_view == anchor_view_) {
return;
}
observation_.Reset();
observation_.Observe(anchor_view);
anchor_view_ = anchor_view;
UpdateWidgetBounds();
}
void ActionHighlight::OnViewRemovedFromWidget(views::View*) {
controller_->RemoveActionHighlightWidget();
}
void ActionHighlight::UpdateWidgetBounds() {
auto* widget = GetWidget();
DCHECK(widget);
const int overall_radius = GetOverallRadius();
auto origin_pos =
anchor_view_->touch_point()->GetBoundsInScreen().CenterPoint();
origin_pos.Offset(-overall_radius, -overall_radius);
widget->SetBounds(gfx::Rect(origin_pos, GetPreferredSize()));
}
int ActionHighlight::GetCircleRadius() const {
switch (anchor_view_->action()->GetType()) {
case ActionType::TAP:
return kActionTapCircleRadius;
case ActionType::MOVE:
return kActionMoveCircleRadius;
default:
NOTREACHED();
}
}
int ActionHighlight::GetOverallRadius() const {
return GetCircleRadius() + kCircleStrokeThickness;
}
gfx::Size ActionHighlight::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
const int side = 2 * GetOverallRadius();
return gfx::Size(side, side);
}
void ActionHighlight::OnPaintBackground(gfx::Canvas* canvas) {
cc::PaintFlags flags;
flags.setAntiAlias(true);
const int overall_radius = GetOverallRadius();
const auto center = gfx::Point(overall_radius, overall_radius);
// Draw circle ring border.
const int radius = GetCircleRadius();
ui::ColorProvider* color_provider = GetColorProvider();
flags.setStyle(cc::PaintFlags::kStroke_Style);
flags.setStrokeWidth(kCircleStrokeThickness);
flags.setColor(color_provider->GetColor(cros_tokens::kCrosSysPrimary));
canvas->DrawCircle(center, radius, flags);
// Draw circle.
flags.setStyle(cc::PaintFlags::kFill_Style);
flags.setColor(
SkColorSetA(color_provider->GetColor(cros_tokens::kCrosSysPrimary),
GetAlpha(/*percent=*/0.6f)));
canvas->DrawCircle(center, radius, flags);
}
void ActionHighlight::VisibilityChanged(views::View* starting_from,
bool is_visible) {
if (is_visible) {
UpdateWidgetBounds();
}
}
BEGIN_METADATA(ActionHighlight)
END_METADATA
} // namespace arc::input_overlay
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