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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_ACTOR_SCROLL_TOOL_H_
#define CHROME_RENDERER_ACTOR_SCROLL_TOOL_H_
#include <cstdint>
#include "base/memory/raw_ref.h"
#include "base/types/expected.h"
#include "chrome/common/actor.mojom.h"
#include "chrome/renderer/actor/tool_base.h"
#include "third_party/blink/public/web/web_element.h"
#include "ui/gfx/geometry/vector2d_f.h"
namespace content {
class RenderFrame;
} // namespace content
namespace actor {
// A tool that can be invoked to perform a scroll over a target.
class ScrollTool : public ToolBase {
public:
ScrollTool(content::RenderFrame& frame,
Journal::TaskId task_id,
Journal& journal,
mojom::ScrollActionPtr action);
~ScrollTool() override;
// actor::ToolBase
mojom::ActionResultPtr Execute() override;
std::string DebugString() const override;
base::TimeDelta MinimumObservationDelay() const override;
private:
struct ScrollerAndDistance {
blink::WebElement scroller;
gfx::Vector2dF scroll_by_offset;
};
using ValidatedResult =
base::expected<ScrollerAndDistance, mojom::ActionResultPtr>;
ValidatedResult Validate() const;
bool targeting_smooth_scroller_ = false;
mojom::ScrollActionPtr action_;
};
} // namespace actor
#endif // CHROME_RENDERER_ACTOR_SCROLL_TOOL_H_
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