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d07643b122
It's good to have a wrapper for scroll and sticky state instead of directly mutating vectors with frames. No behavior change.
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Painting/ScrollFrame.h>
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namespace Web::Painting {
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class ScrollState {
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public:
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NonnullRefPtr<ScrollFrame> create_scroll_frame_for(PaintableBox const& paintable, RefPtr<ScrollFrame const> parent)
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{
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auto scroll_frame = adopt_ref(*new ScrollFrame(paintable, m_next_id++, parent));
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m_scroll_frames.append(scroll_frame);
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return scroll_frame;
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}
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NonnullRefPtr<ScrollFrame> create_sticky_frame_for(PaintableBox const& paintable, RefPtr<ScrollFrame const> parent)
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{
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auto scroll_frame = adopt_ref(*new ScrollFrame(paintable, m_next_id++, parent));
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m_sticky_frames.append(scroll_frame);
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return scroll_frame;
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}
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void clear()
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{
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m_scroll_frames.clear();
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}
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Vector<NonnullRefPtr<ScrollFrame>> const& scroll_frames() const { return m_scroll_frames; }
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Vector<NonnullRefPtr<ScrollFrame>> const& sticky_frames() const { return m_sticky_frames; }
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private:
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size_t m_next_id { 0 };
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Vector<NonnullRefPtr<ScrollFrame>> m_scroll_frames;
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Vector<NonnullRefPtr<ScrollFrame>> m_sticky_frames;
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};
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}
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