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LibWeb+WebContent: Plumb ability for WebContent process to hold N pages

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In order for same-origin NavigableContainers (iframe, frame, embed, ...)
and window.open() WindowProxies to have the proper JS access to their
embedder/opener, we need to host multiple top level traversables in the
same WebContent process. As a first step, make WebContent::PageHost hold
a HashMap of PageClient objects, each holding their own Web::Page that
represents a TraversableNavigable's API surface with the UI process.
This commit is contained in:
Andrew Kaster 2023-11-29 09:34:38 -07:00 • committed by Andreas Kling
parent 34ae39478a
commit fbfb70f81a
13 changed files with 769 additions and 660 deletions
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8
Userland/Libraries/LibWeb/Page/Page.cpp
View file

@ -26,7 +26,6 @@ namespace Web {
Page::Page(PageClient& client)
: m_client(client)
{
m_top_level_traversable = JS::make_handle(HTML::TraversableNavigable::create_a_fresh_top_level_traversable(*this, AK::URL("about:blank")).release_value_but_fixme_should_propagate_errors());
}
Page::~Page() = default;
@ -161,6 +160,13 @@ bool Page::handle_keyup(KeyCode key, unsigned modifiers, u32 code_point)
return focused_context().event_handler().handle_keyup(key, modifiers, code_point);
}
void Page::set_top_level_traversable(JS::NonnullGCPtr<HTML::TraversableNavigable> navigable)
{
VERIFY(!m_top_level_traversable); // Replacement is not allowed!
VERIFY(navigable->page() == this);
m_top_level_traversable = navigable;
}
bool Page::top_level_traversable_is_initialized() const
{
return m_top_level_traversable;

2
Userland/Libraries/LibWeb/Page/Page.h
View file

@ -46,6 +46,8 @@ public:
PageClient& client() { return m_client; }
PageClient const& client() const { return m_client; }
void set_top_level_traversable(JS::NonnullGCPtr<HTML::TraversableNavigable>);
// FIXME: This is a hack.
bool top_level_traversable_is_initialized() const;

1
Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.cpp
View file

@ -50,6 +50,7 @@ ErrorOr<NonnullRefPtr<SVGDecodedImageData>> SVGDecodedImageData::create(Page& ho
auto page_client = make<SVGPageClient>(host_page);
auto page = make<Page>(*page_client);
page_client->m_svg_page = page.ptr();
page->set_top_level_traversable(MUST(Web::HTML::TraversableNavigable::create_a_fresh_top_level_traversable(*page, AK::URL("about:blank"))));
JS::NonnullGCPtr<HTML::Navigable> navigable = page->top_level_traversable();
auto response = Fetch::Infrastructure::Response::create(navigable->vm());
response->url_list().append(url);