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// Copyright 2022 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/system/eche/eche_icon_loading_indicator_view.h"
#include <algorithm>
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/animation/throb_animation.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/paint_throbber.h"
#include "ui/views/view.h"
#include "ui/views/view_observer.h"
namespace ash {
namespace {
constexpr int kThrobberStrokeWidth = 3;
} // namespace
EcheIconLoadingIndicatorView::EcheIconLoadingIndicatorView(views::View* parent)
: parent_(parent) {
observed_session_.Observe(parent_.get());
// Don't let the loading indicator process events.
SetCanProcessEventsWithinSubtree(false);
}
EcheIconLoadingIndicatorView::~EcheIconLoadingIndicatorView() = default;
void EcheIconLoadingIndicatorView::SetAnimating(bool animating) {
SetVisible(animating);
if (animating && !throbber_start_time_.has_value()) {
throbber_start_time_ = base::TimeTicks::Now();
animation_.StartThrobbing(-1);
} else {
throbber_start_time_.reset();
animation_.Reset();
}
OnPropertyChanged(&throbber_start_time_, views::kPropertyEffectsNone);
}
bool EcheIconLoadingIndicatorView::GetAnimating() const {
return animation_.is_animating();
}
void EcheIconLoadingIndicatorView::OnPaint(gfx::Canvas* canvas) {
if (!throbber_start_time_)
return;
// The image covers the container on the main axis and is centered on the
// other axis. So we get the minimum of the height and width.
int spinner_size_dip =
std::min(GetLocalBounds().width(), GetLocalBounds().height());
gfx::Rect bounds = GetLocalBounds();
bounds.ClampToCenteredSize(gfx::Size(spinner_size_dip, spinner_size_dip));
gfx::PaintThrobberSpinning(
canvas, bounds, GetColorProvider()->GetColor(ui::kColorAshFocusRing),
base::TimeTicks::Now() - *throbber_start_time_, kThrobberStrokeWidth);
}
void EcheIconLoadingIndicatorView::OnViewBoundsChanged(
views::View* observed_view) {
DCHECK_EQ(observed_view, parent_);
SetBoundsRect(observed_view->GetLocalBounds());
}
void EcheIconLoadingIndicatorView::AnimationProgressed(
const gfx::Animation* animation) {
DCHECK_EQ(animation, &animation_);
SchedulePaint();
}
BEGIN_METADATA(EcheIconLoadingIndicatorView)
END_METADATA
} // namespace ash
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