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