FontFace.h 4.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116
  1. /*
  2. * Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <LibGfx/Font/Typeface.h>
  8. #include <LibURL/URL.h>
  9. #include <LibWeb/Bindings/FontFacePrototype.h>
  10. #include <LibWeb/Bindings/PlatformObject.h>
  11. #include <LibWeb/CSS/ParsedFontFace.h>
  12. namespace Web::CSS {
  13. struct FontFaceDescriptors {
  14. String style = "normal"_string;
  15. String weight = "normal"_string;
  16. String stretch = "normal"_string;
  17. String unicode_range = "U+0-10FFFF"_string;
  18. String feature_settings = "normal"_string;
  19. String variation_settings = "normal"_string;
  20. String display = "auto"_string;
  21. String ascent_override = "normal"_string;
  22. String descent_override = "normal"_string;
  23. String line_gap_override = "normal"_string;
  24. };
  25. class FontFace final : public Bindings::PlatformObject {
  26. WEB_PLATFORM_OBJECT(FontFace, Bindings::PlatformObject);
  27. JS_DECLARE_ALLOCATOR(FontFace);
  28. public:
  29. using FontFaceSource = Variant<String, JS::Handle<WebIDL::BufferSource>>;
  30. [[nodiscard]] static JS::NonnullGCPtr<FontFace> construct_impl(JS::Realm&, String family, FontFaceSource source, FontFaceDescriptors const& descriptors);
  31. virtual ~FontFace() override;
  32. String family() const { return m_family; }
  33. WebIDL::ExceptionOr<void> set_family(String const&);
  34. String style() const { return m_style; }
  35. WebIDL::ExceptionOr<void> set_style(String const&);
  36. String weight() const { return m_weight; }
  37. WebIDL::ExceptionOr<void> set_weight(String const&);
  38. String stretch() const { return m_stretch; }
  39. WebIDL::ExceptionOr<void> set_stretch(String const&);
  40. String unicode_range() const { return m_unicode_range; }
  41. WebIDL::ExceptionOr<void> set_unicode_range(String const&);
  42. String feature_settings() const { return m_feature_settings; }
  43. WebIDL::ExceptionOr<void> set_feature_settings(String const&);
  44. String variation_settings() const { return m_variation_settings; }
  45. WebIDL::ExceptionOr<void> set_variation_settings(String const&);
  46. String display() const { return m_display; }
  47. WebIDL::ExceptionOr<void> set_display(String const&);
  48. String ascent_override() const { return m_ascent_override; }
  49. WebIDL::ExceptionOr<void> set_ascent_override(String const&);
  50. String descent_override() const { return m_descent_override; }
  51. WebIDL::ExceptionOr<void> set_descent_override(String const&);
  52. String line_gap_override() const { return m_line_gap_override; }
  53. WebIDL::ExceptionOr<void> set_line_gap_override(String const&);
  54. bool is_css_connected() const { return m_is_css_connected; }
  55. Bindings::FontFaceLoadStatus status() const { return m_status; }
  56. JS::NonnullGCPtr<JS::Promise> load();
  57. JS::NonnullGCPtr<JS::Promise> loaded() const;
  58. void load_font_source();
  59. private:
  60. FontFace(JS::Realm&, JS::NonnullGCPtr<WebIDL::Promise> font_status_promise, Vector<ParsedFontFace::Source> urls, ByteBuffer data, String family, FontFaceDescriptors const& descriptors);
  61. virtual void initialize(JS::Realm&) override;
  62. virtual void visit_edges(Visitor&) override;
  63. // FIXME: Should we be storing StyleValues instead?
  64. String m_family;
  65. String m_style;
  66. String m_weight;
  67. String m_stretch;
  68. String m_unicode_range;
  69. Vector<Gfx::UnicodeRange> m_unicode_ranges;
  70. String m_feature_settings;
  71. String m_variation_settings;
  72. String m_display;
  73. String m_ascent_override;
  74. String m_descent_override;
  75. String m_line_gap_override;
  76. // https://drafts.csswg.org/css-font-loading/#dom-fontface-status
  77. Bindings::FontFaceLoadStatus m_status { Bindings::FontFaceLoadStatus::Unloaded };
  78. JS::NonnullGCPtr<WebIDL::Promise> m_font_status_promise; // [[FontStatusPromise]]
  79. Vector<ParsedFontFace::Source> m_urls; // [[Urls]]
  80. ByteBuffer m_binary_data; // [[Data]]
  81. RefPtr<Gfx::Typeface> m_parsed_font;
  82. RefPtr<Core::Promise<NonnullRefPtr<Gfx::Typeface>>> m_font_load_promise;
  83. // https://drafts.csswg.org/css-font-loading/#css-connected
  84. bool m_is_css_connected { false };
  85. };
  86. }