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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
#include <LibWeb/CSS/Parser/CSSParser.h>
#include <LibWeb/CSS/StyleResolver.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.on_load = [this] {
this->document().update_layout();
dispatch_event(DOM::Event::create(EventNames::load));
};
m_image_loader.on_fail = [this] {
dbgln("HTMLImageElement: Resource did fail: {}", src());
this->document().update_layout();
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)
m_image_loader.load(document().complete_url(value));
}
RefPtr<Layout::Node> HTMLImageElement::create_layout_node()
{
auto style = document().style_resolver().resolve_style(*this);
if (style->display() == CSS::Display::None)
return nullptr;
return adopt(*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());
}
}
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