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https://github.com/RGBCube/serenity
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LibWeb: Start implementing "create and initialize a Document" from HTML
The way we've been creating DOM::Document has been pretty far from what the spec tells us to do, and this is a first big step towards getting us closer to spec. The new Document::create_and_initialize() is called by FrameLoader after loading a "text/html" resource. We create the JS Realm and the Window object when creating the Document (previously, we'd do it on first access to Document::interpreter().) The realm execution context is owned by the Environment Settings Object.
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0781bdb23e
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602f927982
13 changed files with 315 additions and 78 deletions
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@ -16,8 +16,8 @@
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namespace Web::HTML {
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EnvironmentSettingsObject::EnvironmentSettingsObject(JS::ExecutionContext& realm_execution_context)
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: m_realm_execution_context(realm_execution_context)
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EnvironmentSettingsObject::EnvironmentSettingsObject(NonnullOwnPtr<JS::ExecutionContext> realm_execution_context)
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: m_realm_execution_context(move(realm_execution_context))
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{
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// Register with the responsible event loop so we can perform step 4 of "perform a microtask checkpoint".
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responsible_event_loop().register_environment_settings_object({}, *this);
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@ -31,7 +31,7 @@ EnvironmentSettingsObject::~EnvironmentSettingsObject()
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JS::ExecutionContext& EnvironmentSettingsObject::realm_execution_context()
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{
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// NOTE: All environment settings objects are created with a realm execution context, so it's stored and returned here in the base class.
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return m_realm_execution_context;
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return *m_realm_execution_context;
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}
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// https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object%27s-realm
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@ -105,10 +105,10 @@ struct EnvironmentSettingsObject
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bool is_scripting_disabled() const;
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protected:
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explicit EnvironmentSettingsObject(JS::ExecutionContext& realm_execution_context);
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explicit EnvironmentSettingsObject(NonnullOwnPtr<JS::ExecutionContext>);
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private:
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JS::ExecutionContext& m_realm_execution_context;
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NonnullOwnPtr<JS::ExecutionContext> m_realm_execution_context;
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EventLoop* m_responsible_event_loop { nullptr };
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// https://html.spec.whatwg.org/multipage/webappapis.html#outstanding-rejected-promises-weak-set
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@ -10,17 +10,17 @@
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namespace Web::HTML {
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WindowEnvironmentSettingsObject::WindowEnvironmentSettingsObject(Window& window, JS::ExecutionContext& execution_context)
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: EnvironmentSettingsObject(execution_context)
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WindowEnvironmentSettingsObject::WindowEnvironmentSettingsObject(Window& window, NonnullOwnPtr<JS::ExecutionContext> execution_context)
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: EnvironmentSettingsObject(move(execution_context))
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, m_window(window)
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{
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}
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// https://html.spec.whatwg.org/multipage/window-object.html#set-up-a-window-environment-settings-object
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void WindowEnvironmentSettingsObject::setup(AK::URL& creation_url, JS::ExecutionContext& execution_context)
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void WindowEnvironmentSettingsObject::setup(AK::URL const& creation_url, NonnullOwnPtr<JS::ExecutionContext> execution_context, Optional<Environment> reserved_environment, AK::URL top_level_creation_url, Origin top_level_origin)
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{
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// 1. Let realm be the value of execution context's Realm component.
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auto* realm = execution_context.realm;
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auto* realm = execution_context->realm;
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VERIFY(realm);
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// 2. Let window be realm's global object.
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@ -29,17 +29,32 @@ void WindowEnvironmentSettingsObject::setup(AK::URL& creation_url, JS::Execution
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// 3. Let settings object be a new environment settings object whose algorithms are defined as follows:
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// NOTE: See the functions defined for this class.
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auto settings_object = adopt_own(*new WindowEnvironmentSettingsObject(window, execution_context));
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auto settings_object = adopt_own(*new WindowEnvironmentSettingsObject(window, move(execution_context)));
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// FIXME: 4. If reservedEnvironment is non-null, then:
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// FIXME: 1. Set settings object's id to reservedEnvironment's id, target browsing context to reservedEnvironment's target browsing context, and active service worker to reservedEnvironment's active service worker.
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// FIXME: 2. Set reservedEnvironment's id to the empty string.
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// 4. If reservedEnvironment is non-null, then:
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if (reserved_environment.has_value()) {
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// FIXME: 1. Set settings object's id to reservedEnvironment's id,
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// target browsing context to reservedEnvironment's target browsing context,
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// and active service worker to reservedEnvironment's active service worker.
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settings_object->target_browsing_context = reserved_environment->target_browsing_context;
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// FIXME: 5. Otherwise, set settings object's id to a new unique opaque string, settings object's target browsing context to null, and settings object's active service worker to null.
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settings_object->target_browsing_context = nullptr;
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// FIXME: 2. Set reservedEnvironment's id to the empty string.
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}
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// FIXME: 6. Set settings object's creation URL to creationURL, settings object's top-level creation URL to topLevelCreationURL, and settings object's top-level origin to topLevelOrigin.
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// 5. Otherwise, ...
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else {
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// FIXME: ...set settings object's id to a new unique opaque string,
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// settings object's target browsing context to null,
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// and settings object's active service worker to null.
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settings_object->target_browsing_context = nullptr;
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}
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// 6. Set settings object's creation URL to creationURL,
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// settings object's top-level creation URL to topLevelCreationURL,
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// and settings object's top-level origin to topLevelOrigin.
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settings_object->creation_url = creation_url;
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settings_object->top_level_creation_url = top_level_creation_url;
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settings_object->top_level_origin = top_level_origin;
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// 7. Set realm's [[HostDefined]] field to settings object.
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realm->set_host_defined(move(settings_object));
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@ -13,7 +13,7 @@ namespace Web::HTML {
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class WindowEnvironmentSettingsObject final : public EnvironmentSettingsObject {
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public:
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static void setup(AK::URL& creation_url, JS::ExecutionContext& execution_context /* FIXME: null or an environment reservedEnvironment, a URL topLevelCreationURL, and an origin topLevelOrigin */);
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static void setup(AK::URL const& creation_url, NonnullOwnPtr<JS::ExecutionContext>, Optional<Environment>, AK::URL top_level_creation_url, Origin top_level_origin);
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virtual ~WindowEnvironmentSettingsObject() override = default;
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@ -24,7 +24,7 @@ public:
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virtual CanUseCrossOriginIsolatedAPIs cross_origin_isolated_capability() override;
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private:
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WindowEnvironmentSettingsObject(Window&, JS::ExecutionContext& execution_context);
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WindowEnvironmentSettingsObject(Window&, NonnullOwnPtr<JS::ExecutionContext>);
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NonnullRefPtr<Window> m_window;
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};
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@ -18,17 +18,17 @@ class WorkerEnvironmentSettingsObject final
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: public EnvironmentSettingsObject
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, public Weakable<WorkerEnvironmentSettingsObject> {
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public:
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WorkerEnvironmentSettingsObject(DOM::Document& document, JS::ExecutionContext& execution_context)
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: EnvironmentSettingsObject(execution_context)
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WorkerEnvironmentSettingsObject(DOM::Document& document, NonnullOwnPtr<JS::ExecutionContext> execution_context)
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: EnvironmentSettingsObject(move(execution_context))
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, m_document(document)
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{
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}
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static WeakPtr<WorkerEnvironmentSettingsObject> setup(DOM::Document& document, JS::ExecutionContext& execution_context /* FIXME: null or an environment reservedEnvironment, a URL topLevelCreationURL, and an origin topLevelOrigin */)
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static WeakPtr<WorkerEnvironmentSettingsObject> setup(DOM::Document& document, NonnullOwnPtr<JS::ExecutionContext> execution_context /* FIXME: null or an environment reservedEnvironment, a URL topLevelCreationURL, and an origin topLevelOrigin */)
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{
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auto* realm = execution_context.realm;
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auto* realm = execution_context->realm;
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VERIFY(realm);
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auto settings_object = adopt_own(*new WorkerEnvironmentSettingsObject(document, execution_context));
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auto settings_object = adopt_own(*new WorkerEnvironmentSettingsObject(document, move(execution_context)));
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settings_object->target_browsing_context = nullptr;
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realm->set_host_defined(move(settings_object));
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