Serenity Operating System
1/*
2 * Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
3 * Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#pragma once
9
10#include <AK/Badge.h>
11#include <AK/IDAllocator.h>
12#include <AK/RefPtr.h>
13#include <AK/TypeCasts.h>
14#include <AK/URL.h>
15#include <LibJS/Heap/Heap.h>
16#include <LibWeb/Bindings/Intrinsics.h>
17#include <LibWeb/Bindings/WindowGlobalMixin.h>
18#include <LibWeb/DOM/EventTarget.h>
19#include <LibWeb/Forward.h>
20#include <LibWeb/HTML/AnimationFrameCallbackDriver.h>
21#include <LibWeb/HTML/CrossOrigin/CrossOriginPropertyDescriptorMap.h>
22#include <LibWeb/HTML/GlobalEventHandlers.h>
23#include <LibWeb/HTML/MimeType.h>
24#include <LibWeb/HTML/Plugin.h>
25#include <LibWeb/HTML/Scripting/ImportMap.h>
26#include <LibWeb/HTML/WindowEventHandlers.h>
27#include <LibWeb/HTML/WindowOrWorkerGlobalScope.h>
28#include <LibWeb/RequestIdleCallback/IdleRequest.h>
29
30namespace Web::HTML {
31
32class IdleCallback;
33
34// https://html.spec.whatwg.org/#timerhandler
35using TimerHandler = Variant<JS::Handle<WebIDL::CallbackType>, DeprecatedString>;
36
37// https://w3c.github.io/csswg-drafts/cssom-view/#dictdef-scrolloptions
38struct ScrollOptions {
39 Bindings::ScrollBehavior behavior { Bindings::ScrollBehavior::Auto };
40};
41
42// https://w3c.github.io/csswg-drafts/cssom-view/#dictdef-scrolltooptions
43struct ScrollToOptions : public ScrollOptions {
44 Optional<double> left;
45 Optional<double> top;
46};
47
48class Window final
49 : public DOM::EventTarget
50 , public GlobalEventHandlers
51 , public WindowEventHandlers
52 , public WindowOrWorkerGlobalScopeMixin
53 , public Bindings::WindowGlobalMixin {
54 WEB_PLATFORM_OBJECT(Window, DOM::EventTarget);
55
56public:
57 static WebIDL::ExceptionOr<JS::NonnullGCPtr<Window>> create(JS::Realm&);
58
59 ~Window();
60
61 using WindowOrWorkerGlobalScopeMixin::atob;
62 using WindowOrWorkerGlobalScopeMixin::btoa;
63 using WindowOrWorkerGlobalScopeMixin::fetch;
64 using WindowOrWorkerGlobalScopeMixin::queue_microtask;
65 using WindowOrWorkerGlobalScopeMixin::structured_clone;
66
67 // ^DOM::EventTarget
68 virtual bool dispatch_event(DOM::Event&) override;
69
70 // ^WindowOrWorkerGlobalScopeMixin
71 virtual Bindings::PlatformObject& this_impl() override { return *this; }
72 virtual Bindings::PlatformObject const& this_impl() const override { return *this; }
73
74 // ^JS::Object
75 virtual JS::ThrowCompletionOr<bool> internal_set_prototype_of(JS::Object* prototype) override;
76
77 Page* page();
78 Page const* page() const;
79
80 // https://html.spec.whatwg.org/multipage/window-object.html#concept-document-window
81 DOM::Document const& associated_document() const { return *m_associated_document; }
82 DOM::Document& associated_document() { return *m_associated_document; }
83 void set_associated_document(DOM::Document&);
84
85 // https://html.spec.whatwg.org/multipage/window-object.html#window-bc
86 BrowsingContext const* browsing_context() const;
87 BrowsingContext* browsing_context();
88
89 size_t document_tree_child_browsing_context_count() const;
90
91 ImportMap const& import_map() const { return m_import_map; }
92
93 bool import_maps_allowed() const { return m_import_maps_allowed; }
94 void set_import_maps_allowed(bool import_maps_allowed) { m_import_maps_allowed = import_maps_allowed; }
95
96 WebIDL::ExceptionOr<JS::GCPtr<WindowProxy>> open_impl(StringView url, StringView target, StringView features);
97 bool has_animation_frame_callbacks() const { return m_animation_frame_callback_driver.has_callbacks(); }
98
99 i32 set_timeout_impl(TimerHandler, i32 timeout, JS::MarkedVector<JS::Value> arguments);
100 i32 set_interval_impl(TimerHandler, i32 timeout, JS::MarkedVector<JS::Value> arguments);
101 void clear_timeout_impl(i32);
102 void clear_interval_impl(i32);
103
104 void did_set_location_href(Badge<Location>, AK::URL const& new_href);
105 void did_call_location_reload(Badge<Location>);
106 void did_call_location_replace(Badge<Location>, DeprecatedString url);
107
108 void deallocate_timer_id(Badge<Timer>, i32);
109
110 DOM::Event* current_event() { return m_current_event.ptr(); }
111 DOM::Event const* current_event() const { return m_current_event.ptr(); }
112 void set_current_event(DOM::Event* event);
113
114 Optional<CSS::MediaFeatureValue> query_media_feature(CSS::MediaFeatureID) const;
115
116 void fire_a_page_transition_event(DeprecatedFlyString const& event_name, bool persisted);
117
118 WebIDL::ExceptionOr<JS::NonnullGCPtr<Storage>> local_storage();
119 WebIDL::ExceptionOr<JS::NonnullGCPtr<Storage>> session_storage();
120
121 void start_an_idle_period();
122
123 AnimationFrameCallbackDriver& animation_frame_callback_driver() { return m_animation_frame_callback_driver; }
124
125 // https://html.spec.whatwg.org/multipage/interaction.html#transient-activation
126 bool has_transient_activation() const;
127
128 WebIDL::ExceptionOr<void> initialize_web_interfaces(Badge<WindowEnvironmentSettingsObject>);
129
130 Vector<JS::NonnullGCPtr<Plugin>> pdf_viewer_plugin_objects();
131 Vector<JS::NonnullGCPtr<MimeType>> pdf_viewer_mime_type_objects();
132
133 CrossOriginPropertyDescriptorMap const& cross_origin_property_descriptor_map() const { return m_cross_origin_property_descriptor_map; }
134 CrossOriginPropertyDescriptorMap& cross_origin_property_descriptor_map() { return m_cross_origin_property_descriptor_map; }
135
136 // JS API functions
137 JS::NonnullGCPtr<WindowProxy> window() const;
138 JS::NonnullGCPtr<WindowProxy> self() const;
139 JS::NonnullGCPtr<DOM::Document const> document() const;
140 String name() const;
141 void set_name(String const&);
142 WebIDL::ExceptionOr<JS::NonnullGCPtr<Location>> location();
143 JS::NonnullGCPtr<History> history() const;
144 void focus();
145
146 JS::NonnullGCPtr<WindowProxy> frames() const;
147 u32 length() const;
148 JS::GCPtr<WindowProxy const> top() const;
149 JS::GCPtr<WindowProxy const> parent() const;
150 JS::GCPtr<DOM::Element const> frame_element() const;
151 WebIDL::ExceptionOr<JS::GCPtr<WindowProxy>> open(Optional<String> const& url, Optional<String> const& target, Optional<String> const& features);
152
153 WebIDL::ExceptionOr<JS::NonnullGCPtr<Navigator>> navigator();
154
155 void alert(String const& message = {});
156 bool confirm(Optional<String> const& message);
157 Optional<String> prompt(Optional<String> const& message, Optional<String> const& default_);
158
159 void post_message(JS::Value message, String const&);
160
161 Variant<JS::Handle<DOM::Event>, JS::Value> event() const;
162
163 WebIDL::ExceptionOr<JS::NonnullGCPtr<CSS::CSSStyleDeclaration>> get_computed_style(DOM::Element&, Optional<String> const& pseudo_element) const;
164
165 WebIDL::ExceptionOr<JS::NonnullGCPtr<CSS::MediaQueryList>> match_media(String const& query);
166 WebIDL::ExceptionOr<JS::NonnullGCPtr<CSS::Screen>> screen();
167
168 i32 inner_width() const;
169 i32 inner_height() const;
170
171 double scroll_x() const;
172 double scroll_y() const;
173 void scroll(ScrollToOptions const&);
174 void scroll(double x, double y);
175 void scroll_by(ScrollToOptions);
176 void scroll_by(double x, double y);
177
178 i32 screen_x() const;
179 i32 screen_y() const;
180 i32 outer_width() const;
181 i32 outer_height() const;
182 double device_pixel_ratio() const;
183
184 i32 request_animation_frame(WebIDL::CallbackType&);
185 void cancel_animation_frame(i32 handle);
186
187 u32 request_idle_callback(WebIDL::CallbackType&, RequestIdleCallback::IdleRequestOptions const&);
188 void cancel_idle_callback(u32 handle);
189
190 JS::GCPtr<Selection::Selection> get_selection() const;
191
192 WebIDL::ExceptionOr<JS::NonnullGCPtr<HighResolutionTime::Performance>> performance();
193
194 WebIDL::ExceptionOr<JS::NonnullGCPtr<Crypto::Crypto>> crypto();
195
196private:
197 explicit Window(JS::Realm&);
198
199 virtual void visit_edges(Cell::Visitor&) override;
200
201 // ^HTML::GlobalEventHandlers
202 virtual DOM::EventTarget& global_event_handlers_to_event_target(DeprecatedFlyString const&) override { return *this; }
203
204 // ^HTML::WindowEventHandlers
205 virtual DOM::EventTarget& window_event_handlers_to_event_target() override { return *this; }
206
207 enum class Repeat {
208 Yes,
209 No,
210 };
211 i32 run_timer_initialization_steps(TimerHandler handler, i32 timeout, JS::MarkedVector<JS::Value> arguments, Repeat repeat, Optional<i32> previous_id = {});
212
213 void invoke_idle_callbacks();
214
215 // https://html.spec.whatwg.org/multipage/window-object.html#concept-document-window
216 JS::GCPtr<DOM::Document> m_associated_document;
217
218 JS::GCPtr<DOM::Event> m_current_event;
219
220 IDAllocator m_timer_id_allocator;
221 HashMap<int, JS::NonnullGCPtr<Timer>> m_timers;
222
223 // https://html.spec.whatwg.org/multipage/webappapis.html#concept-window-import-map
224 ImportMap m_import_map;
225
226 // https://html.spec.whatwg.org/multipage/webappapis.html#import-maps-allowed
227 bool m_import_maps_allowed { true };
228
229 JS::GCPtr<HighResolutionTime::Performance> m_performance;
230 JS::GCPtr<Crypto::Crypto> m_crypto;
231 JS::GCPtr<CSS::Screen> m_screen;
232 JS::GCPtr<Navigator> m_navigator;
233 JS::GCPtr<Location> m_location;
234
235 AnimationFrameCallbackDriver m_animation_frame_callback_driver;
236
237 // https://w3c.github.io/requestidlecallback/#dfn-list-of-idle-request-callbacks
238 Vector<NonnullRefPtr<IdleCallback>> m_idle_request_callbacks;
239 // https://w3c.github.io/requestidlecallback/#dfn-list-of-runnable-idle-callbacks
240 Vector<NonnullRefPtr<IdleCallback>> m_runnable_idle_callbacks;
241 // https://w3c.github.io/requestidlecallback/#dfn-idle-callback-identifier
242 u32 m_idle_callback_identifier = 0;
243
244 // https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewer-plugin-objects
245 Vector<JS::NonnullGCPtr<Plugin>> m_pdf_viewer_plugin_objects;
246
247 // https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewer-mime-type-objects
248 Vector<JS::NonnullGCPtr<MimeType>> m_pdf_viewer_mime_type_objects;
249
250 // [[CrossOriginPropertyDescriptorMap]], https://html.spec.whatwg.org/multipage/browsers.html#crossoriginpropertydescriptormap
251 CrossOriginPropertyDescriptorMap m_cross_origin_property_descriptor_map;
252
253 JS_DECLARE_NATIVE_FUNCTION(location_setter);
254
255 JS_DECLARE_NATIVE_FUNCTION(set_interval);
256 JS_DECLARE_NATIVE_FUNCTION(set_timeout);
257 JS_DECLARE_NATIVE_FUNCTION(clear_interval);
258 JS_DECLARE_NATIVE_FUNCTION(clear_timeout);
259};
260
261void run_animation_frame_callbacks(DOM::Document&, double now);
262
263}