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LibWeb: Run <object> fallback steps if data type is not supported

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Progress on fixing regressed Acid2.
This commit is contained in:
Aliaksandr Kalenik
2024-04-16 11:23:48 +02:00
committed by Andreas Kling
parent d5cddd4696
commit 768b1455d6
5 changed files with 42 additions and 10 deletions
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18
Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
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@@ -7,6 +7,7 @@
#include <LibGfx/Bitmap.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/DocumentLoading.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/DecodedImageData.h>
#include <LibWeb/HTML/HTMLMediaElement.h>
@@ -233,15 +234,6 @@ void HTMLObjectElement::resource_did_load()
run_object_representation_handler_steps(resource_type.has_value() ? resource_type->to_byte_string() : ByteString::empty());
}
static bool is_xml_mime_type(StringView resource_type)
{
auto mime_type = MimeSniff::MimeType::parse(resource_type).release_value_but_fixme_should_propagate_errors();
if (!mime_type.has_value())
return false;
return mime_type->is_xml();
}
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-object-element:plugin-11
void HTMLObjectElement::run_object_representation_handler_steps(Optional<ByteString> resource_type)
{
@@ -252,8 +244,14 @@ void HTMLObjectElement::run_object_representation_handler_steps(Optional<ByteStr
// If plugins are being sandboxed, then jump to the step below labeled fallback.
// Otherwise, the user agent should use the plugin that supports resource type and pass the content of the resource to that plugin. If the plugin reports an error, then jump to the step below labeled fallback.
if (!resource_type.has_value()) {
run_object_representation_fallback_steps();
return;
}
auto mime_type = MimeSniff::MimeType::parse(*resource_type).release_value_but_fixme_should_propagate_errors();
// * If the resource type is an XML MIME type, or if the resource type does not start with "image/"
if (resource_type.has_value() && (is_xml_mime_type(*resource_type) || !resource_type->starts_with("image/"sv))) {
if (mime_type.has_value() && can_load_document_with_type(*mime_type) && (mime_type->is_xml() || !mime_type->is_image())) {
// If the object element's content navigable is null, then create a new child navigable for the element.
if (!m_content_navigable) {
MUST(create_new_child_navigable());