WindowObject.h 3.8 KB

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  1. /*
  2. * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
  3. * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
  4. *
  5. * SPDX-License-Identifier: BSD-2-Clause
  6. */
  7. #pragma once
  8. #include <AK/TypeCasts.h>
  9. #include <AK/Weakable.h>
  10. #include <LibJS/Runtime/GlobalObject.h>
  11. #include <LibWeb/Forward.h>
  12. #include <LibWeb/HTML/GlobalEventHandlers.h>
  13. namespace Web {
  14. namespace Bindings {
  15. class WindowObject final
  16. : public JS::GlobalObject
  17. , public Weakable<WindowObject> {
  18. JS_OBJECT(WindowObject, JS::GlobalObject);
  19. public:
  20. explicit WindowObject(DOM::Window&);
  21. virtual void initialize_global_object() override;
  22. virtual ~WindowObject() override;
  23. DOM::Window& impl() { return *m_impl; }
  24. const DOM::Window& impl() const { return *m_impl; }
  25. Origin origin() const;
  26. LocationObject* location_object() { return m_location_object; }
  27. LocationObject const* location_object() const { return m_location_object; }
  28. JS::Object* web_prototype(const String& class_name) { return m_prototypes.get(class_name).value_or(nullptr); }
  29. JS::NativeFunction* web_constructor(const String& class_name) { return m_constructors.get(class_name).value_or(nullptr); }
  30. template<typename T>
  31. JS::Object& ensure_web_prototype(const String& class_name)
  32. {
  33. auto it = m_prototypes.find(class_name);
  34. if (it != m_prototypes.end())
  35. return *it->value;
  36. auto* prototype = heap().allocate<T>(*this, *this);
  37. m_prototypes.set(class_name, prototype);
  38. return *prototype;
  39. }
  40. template<typename T>
  41. JS::NativeFunction& ensure_web_constructor(const String& class_name)
  42. {
  43. auto it = m_constructors.find(class_name);
  44. if (it != m_constructors.end())
  45. return *it->value;
  46. auto* constructor = heap().allocate<T>(*this, *this);
  47. m_constructors.set(class_name, constructor);
  48. define_direct_property(class_name, JS::Value(constructor), JS::Attribute::Writable | JS::Attribute::Configurable);
  49. return *constructor;
  50. }
  51. virtual bool internal_set_prototype_of(JS::Object* prototype) override;
  52. private:
  53. virtual void visit_edges(Visitor&) override;
  54. JS_DECLARE_NATIVE_FUNCTION(top_getter);
  55. JS_DECLARE_NATIVE_FUNCTION(document_getter);
  56. JS_DECLARE_NATIVE_FUNCTION(performance_getter);
  57. JS_DECLARE_NATIVE_FUNCTION(history_getter);
  58. JS_DECLARE_NATIVE_FUNCTION(screen_getter);
  59. JS_DECLARE_NATIVE_FUNCTION(event_getter);
  60. JS_DECLARE_NATIVE_FUNCTION(event_setter);
  61. JS_DECLARE_NATIVE_FUNCTION(inner_width_getter);
  62. JS_DECLARE_NATIVE_FUNCTION(inner_height_getter);
  63. JS_DECLARE_NATIVE_FUNCTION(parent_getter);
  64. JS_DECLARE_NATIVE_GETTER(scroll_x_getter);
  65. JS_DECLARE_NATIVE_GETTER(scroll_y_getter);
  66. JS_DECLARE_NATIVE_FUNCTION(scroll);
  67. JS_DECLARE_NATIVE_FUNCTION(scroll_by);
  68. JS_DECLARE_NATIVE_FUNCTION(alert);
  69. JS_DECLARE_NATIVE_FUNCTION(confirm);
  70. JS_DECLARE_NATIVE_FUNCTION(prompt);
  71. JS_DECLARE_NATIVE_FUNCTION(set_interval);
  72. JS_DECLARE_NATIVE_FUNCTION(set_timeout);
  73. JS_DECLARE_NATIVE_FUNCTION(clear_interval);
  74. JS_DECLARE_NATIVE_FUNCTION(clear_timeout);
  75. JS_DECLARE_NATIVE_FUNCTION(request_animation_frame);
  76. JS_DECLARE_NATIVE_FUNCTION(cancel_animation_frame);
  77. JS_DECLARE_NATIVE_FUNCTION(atob);
  78. JS_DECLARE_NATIVE_FUNCTION(btoa);
  79. JS_DECLARE_NATIVE_FUNCTION(get_computed_style);
  80. JS_DECLARE_NATIVE_FUNCTION(match_media);
  81. JS_DECLARE_NATIVE_FUNCTION(queue_microtask);
  82. #define __ENUMERATE(attribute, event_name) \
  83. JS_DECLARE_NATIVE_FUNCTION(attribute##_getter); \
  84. JS_DECLARE_NATIVE_FUNCTION(attribute##_setter);
  85. ENUMERATE_GLOBAL_EVENT_HANDLERS(__ENUMERATE);
  86. #undef __ENUMERATE
  87. NonnullRefPtr<DOM::Window> m_impl;
  88. LocationObject* m_location_object { nullptr };
  89. HashMap<String, JS::Object*> m_prototypes;
  90. HashMap<String, JS::NativeFunction*> m_constructors;
  91. };
  92. }
  93. }