7e1bf4d300
Instead of making each Layout::Node compute style for itself, we now compute it in TreeBuilder before even calling create_layout_node(). For non-element DOM nodes, we create the style and layout tree node in TreeBuilder. This allows us to move create_layout_node() from DOM::Node to DOM::Element.
53 lines
1.4 KiB
C++
53 lines
1.4 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, QualifiedName qualified_name)
|
|
: HTMLElement(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);
|
|
};
|
|
|
|
m_image_loader.on_fail = [this] {
|
|
m_should_show_fallback_content = true;
|
|
set_needs_style_update(true);
|
|
};
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
}
|