diff options
author | Andreas Kling <kling@serenityos.org> | 2021-01-12 12:17:30 +0100 |
---|---|---|
committer | Andreas Kling <kling@serenityos.org> | 2021-01-12 12:17:46 +0100 |
commit | 13d7c09125f8eec703d0a43a9a87fc8aa08f7319 (patch) | |
tree | 70fd643c429cea5c1f9362c2674511d17a53f3b5 /Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp | |
parent | dc28c07fa526841e05e16161c74a6c23984f1dd5 (diff) | |
download | serenity-13d7c09125f8eec703d0a43a9a87fc8aa08f7319.zip |
Libraries: Move to Userland/Libraries/
Diffstat (limited to 'Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp')
-rw-r--r-- | Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp new file mode 100644 index 0000000000..61b99f0ffa --- /dev/null +++ b/Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp @@ -0,0 +1,100 @@ +/* + * 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, const QualifiedName& qualified_name) + : HTMLElement(document, 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(); +} + +} |