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LibWeb/SVG: Fix crash when SVG use element is used on an external SVG

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We were previously crashing when invoking 'scroll to the fragment' on
such documents as it was unable to find the active document. This is
as a result of our AD-HOC implementation not setting up the document
fully to mark it is active before running the parser.

Fixes a crash on https://tweakers.net.
This commit is contained in:
Shannon Booth
2025-01-19 12:35:13 +13:00
committed by Alexander Kalenik
parent ceb6348811
commit b7512deada
4 changed files with 28 additions and 1 deletions
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6
Libraries/LibWeb/SVG/SVGDecodedImageData.cpp
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@@ -13,6 +13,8 @@
#include <LibWeb/HTML/NavigationParams.h>
#include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/HTML/TraversableNavigable.h>
#include <LibWeb/HTML/Window.h>
#include <LibWeb/HTML/WindowProxy.h>
#include <LibWeb/Layout/Viewport.h>
#include <LibWeb/Page/Page.h>
#include <LibWeb/Painting/DisplayListPlayerSkia.h>
@@ -44,10 +46,12 @@ ErrorOr<GC::Ref<SVGDecodedImageData>> SVGDecodedImageData::create(JS::Realm& rea
navigation_params->opener_policy = HTML::OpenerPolicy {};
// FIXME: Use Navigable::navigate() instead of manually replacing the navigable's document.
auto document = DOM::Document::create_and_initialize(DOM::Document::Type::HTML, "text/html"_string, navigation_params).release_value_but_fixme_should_propagate_errors();
auto document = MUST(DOM::Document::create_and_initialize(DOM::Document::Type::HTML, "text/html"_string, navigation_params));
navigable->set_ongoing_navigation({});
navigable->active_document()->destroy();
navigable->active_session_history_entry()->document_state()->set_document(document);
auto& window = verify_cast<HTML::Window>(HTML::relevant_global_object(document));
document->browsing_context()->window_proxy()->set_window(window);
auto parser = HTML::HTMLParser::create_with_uncertain_encoding(document, data);
parser->run(document->url());