ladybird/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
Andreas Kling a403086940 LibWeb: Schedule a relayout after <image> and <object> elements load
Otherwise we'll be stuck with the intrinsic dimensions of the
replacement content.
2022-03-16 23:13:05 +01:00

59 lines
1.8 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Bitmap.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/HTMLObjectElement.h>
#include <LibWeb/Layout/ImageBox.h>
#include <LibWeb/Loader/ResourceLoader.h>
namespace Web::HTML {
HTMLObjectElement::HTMLObjectElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: FormAssociatedElement(document, move(qualified_name))
, m_image_loader(*this)
{
m_image_loader.on_load = [this] {
m_should_show_fallback_content = false;
set_needs_style_update(true);
this->document().set_needs_layout();
// FIXME: This should be done by the HTML^Wdocument parser.
dispatch_event(DOM::Event::create(HTML::EventNames::load));
};
m_image_loader.on_fail = [this] {
m_should_show_fallback_content = true;
set_needs_style_update(true);
this->document().set_needs_layout();
// FIXME: This should be done by the HTML^Wdocument parser.
dispatch_event(DOM::Event::create(HTML::EventNames::load));
};
}
HTMLObjectElement::~HTMLObjectElement()
{
}
void HTMLObjectElement::parse_attribute(const FlyString& name, const String& value)
{
HTMLElement::parse_attribute(name, value);
if (name == HTML::AttributeNames::data)
m_image_loader.load(document().parse_url(value));
}
RefPtr<Layout::Node> HTMLObjectElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
{
if (m_should_show_fallback_content)
return HTMLElement::create_layout_node(move(style));
if (m_image_loader.has_image())
return adopt_ref(*new Layout::ImageBox(document(), *this, move(style), m_image_loader));
return nullptr;
}
}