LayoutPosition.h 1.3 KB

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  1. /*
  2. * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <AK/RefPtr.h>
  8. #include <LibJS/Heap/GCPtr.h>
  9. #include <LibWeb/Forward.h>
  10. #include <LibWeb/Layout/Node.h>
  11. namespace Web::Layout {
  12. class Node;
  13. struct LayoutPosition {
  14. RefPtr<Node> layout_node;
  15. int index_in_node { 0 };
  16. DOM::Position to_dom_position() const;
  17. };
  18. class LayoutRange {
  19. public:
  20. LayoutRange() = default;
  21. LayoutRange(LayoutPosition const& start, LayoutPosition const& end)
  22. : m_start(start)
  23. , m_end(end)
  24. {
  25. }
  26. bool is_valid() const { return m_start.layout_node && m_end.layout_node; }
  27. void set(LayoutPosition const& start, LayoutPosition const& end)
  28. {
  29. m_start = start;
  30. m_end = end;
  31. }
  32. void set_start(LayoutPosition const& start) { m_start = start; }
  33. void set_end(LayoutPosition const& end) { m_end = end; }
  34. LayoutPosition const& start() const { return m_start; }
  35. LayoutPosition& start() { return m_start; }
  36. LayoutPosition const& end() const { return m_end; }
  37. LayoutPosition& end() { return m_end; }
  38. LayoutRange normalized() const;
  39. JS::NonnullGCPtr<DOM::Range> to_dom_range() const;
  40. private:
  41. LayoutPosition m_start;
  42. LayoutPosition m_end;
  43. };
  44. }