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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_NAVIGATION_TRANSITIONS_PROGRESS_BAR_H_
#define CONTENT_BROWSER_NAVIGATION_TRANSITIONS_PROGRESS_BAR_H_
#include "cc/slim/solid_color_layer.h"
#include "content/common/content_export.h"
#include "ui/gfx/animation/keyframe/animation_curve.h"
#include "ui/gfx/animation/keyframe/keyframe_effect.h"
namespace ui {
struct ProgressBarConfig;
}
namespace content {
// Provides an indeterminate progress bar displayed between navigation start and
// commit.
class CONTENT_EXPORT ProgressBar : public gfx::FloatAnimationCurve::Target {
public:
ProgressBar(int width_physical, const ui::ProgressBarConfig& config);
~ProgressBar() override;
scoped_refptr<cc::slim::Layer> GetLayer() const;
void Animate(base::TimeTicks frame_begin_time);
private:
// gfx::FloatAnimationCurve::Target implementation.
void OnFloatAnimated(const float& value,
int target_property_id,
gfx::KeyframeModel* keyframe_model) override;
void SetupAnimation();
// The width of the complete progress bar.
const int width_physical_;
// The height of the pulses drawn within the progress bar.
const int height_physical_;
scoped_refptr<cc::slim::SolidColorLayer> background_layer_;
scoped_refptr<cc::slim::SolidColorLayer> first_pulse_layer_;
scoped_refptr<cc::slim::SolidColorLayer> second_pulse_layer_;
scoped_refptr<cc::slim::SolidColorLayer> hairline_layer_;
float current_value_ = 0.f;
gfx::KeyframeEffect effect_;
};
} // namespace content
#endif // CONTENT_BROWSER_NAVIGATION_TRANSITIONS_PROGRESS_BAR_H_
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