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LibWeb: Introduce CustomElementRegistry and creating custom elements

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The main missing feature here is form associated custom elements.
This commit is contained in:
Luke Wilde 2023-03-29 23:46:18 +01:00 • committed by Andreas Kling
parent 083b547e97
commit 034aaf3f51
38 changed files with 1747 additions and 143 deletions
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13
Userland/Libraries/LibWeb/HTML/Window.cpp
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@ -32,6 +32,7 @@
#include <LibWeb/DOM/EventDispatcher.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/CustomElements/CustomElementRegistry.h>
#include <LibWeb/HTML/EventHandler.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
#include <LibWeb/HTML/Focus.h>
@ -104,6 +105,7 @@ void Window::visit_edges(JS::Cell::Visitor& visitor)
visitor.visit(m_location);
visitor.visit(m_crypto);
visitor.visit(m_navigator);
visitor.visit(m_custom_element_registry);
for (auto& plugin_object : m_pdf_viewer_plugin_objects)
visitor.visit(plugin_object);
for (auto& mime_type_object : m_pdf_viewer_mime_type_objects)
@ -1325,6 +1327,17 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Crypto::Crypto>> Window::crypto()
return JS::NonnullGCPtr { *m_crypto };
}
// https://html.spec.whatwg.org/multipage/custom-elements.html#dom-window-customelements
WebIDL::ExceptionOr<JS::NonnullGCPtr<CustomElementRegistry>> Window::custom_elements()
{
auto& realm = this->realm();
// The customElements attribute of the Window interface must return the CustomElementRegistry object for that Window object.
if (!m_custom_element_registry)
m_custom_element_registry = MUST_OR_THROW_OOM(heap().allocate<CustomElementRegistry>(realm, realm));
return JS::NonnullGCPtr { *m_custom_element_registry };
}
// https://html.spec.whatwg.org/multipage/window-object.html#number-of-document-tree-child-browsing-contexts
size_t Window::document_tree_child_browsing_context_count() const
{