mirror of
https://github.com/RGBCube/serenity
synced 2025-10-30 07:12:33 +00:00
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibGfx/Bitmap.h>
|
|
#include <LibWeb/CSS/Parser/Parser.h>
|
|
#include <LibWeb/CSS/StyleComputer.h>
|
|
#include <LibWeb/DOM/Document.h>
|
|
#include <LibWeb/DOM/Event.h>
|
|
#include <LibWeb/HTML/EventNames.h>
|
|
#include <LibWeb/HTML/HTMLImageElement.h>
|
|
#include <LibWeb/Layout/ImageBox.h>
|
|
#include <LibWeb/Loader/ResourceLoader.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
HTMLImageElement::HTMLImageElement(DOM::Document& document, QualifiedName qualified_name)
|
|
: HTMLElement(document, move(qualified_name))
|
|
, m_image_loader(*this)
|
|
{
|
|
m_image_loader.on_load = [this] {
|
|
set_needs_style_update(true);
|
|
queue_an_element_task(HTML::Task::Source::DOMManipulation, [this] {
|
|
dispatch_event(DOM::Event::create(EventNames::load));
|
|
});
|
|
};
|
|
|
|
m_image_loader.on_fail = [this] {
|
|
dbgln("HTMLImageElement: Resource did fail: {}", src());
|
|
set_needs_style_update(true);
|
|
queue_an_element_task(HTML::Task::Source::DOMManipulation, [this] {
|
|
dispatch_event(DOM::Event::create(EventNames::error));
|
|
});
|
|
};
|
|
|
|
m_image_loader.on_animate = [this] {
|
|
if (layout_node())
|
|
layout_node()->set_needs_display();
|
|
};
|
|
}
|
|
|
|
HTMLImageElement::~HTMLImageElement()
|
|
{
|
|
}
|
|
|
|
void HTMLImageElement::apply_presentational_hints(CSS::StyleProperties& style) const
|
|
{
|
|
for_each_attribute([&](auto& name, auto& value) {
|
|
if (name == HTML::AttributeNames::width) {
|
|
if (auto parsed_value = parse_html_length(document(), value)) {
|
|
style.set_property(CSS::PropertyID::Width, parsed_value.release_nonnull());
|
|
}
|
|
} else if (name == HTML::AttributeNames::height) {
|
|
if (auto parsed_value = parse_html_length(document(), value)) {
|
|
style.set_property(CSS::PropertyID::Height, parsed_value.release_nonnull());
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
void HTMLImageElement::parse_attribute(const FlyString& name, const String& value)
|
|
{
|
|
HTMLElement::parse_attribute(name, value);
|
|
|
|
if (name == HTML::AttributeNames::src && !value.is_empty())
|
|
m_image_loader.load(document().parse_url(value));
|
|
}
|
|
|
|
RefPtr<Layout::Node> HTMLImageElement::create_layout_node()
|
|
{
|
|
auto style = document().style_computer().compute_style(*this);
|
|
if (style->display().is_none())
|
|
return nullptr;
|
|
return adopt_ref(*new Layout::ImageBox(document(), *this, move(style), m_image_loader));
|
|
}
|
|
|
|
const Gfx::Bitmap* HTMLImageElement::bitmap() const
|
|
{
|
|
return m_image_loader.bitmap(m_image_loader.current_frame_index());
|
|
}
|
|
|
|
}
|