a342370dfb
For the SVG <use> element, we want to support loading HTML documents that have a SVG element inside of it pointed to by the URL fragment. In this situation we would need to fetch and parse the entire document in SharedImageRequest (so that we can still cache the SVGs). Rename SharedImageRequest to SharedResourceRequest to make the class a little more generic for future usecases.
99 lines
3.3 KiB
C++
99 lines
3.3 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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#pragma once
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#include <LibCore/Forward.h>
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#include <LibGfx/Forward.h>
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#include <LibWeb/HTML/FormAssociatedElement.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/HTML/NavigableContainer.h>
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#include <LibWeb/Layout/ImageProvider.h>
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#include <LibWeb/Loader/Resource.h>
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namespace Web::HTML {
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class HTMLObjectElement final
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: public NavigableContainer
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, public FormAssociatedElement
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, public ResourceClient
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, public Layout::ImageProvider {
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WEB_PLATFORM_OBJECT(HTMLObjectElement, NavigableContainer)
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JS_DECLARE_ALLOCATOR(HTMLObjectElement);
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FORM_ASSOCIATED_ELEMENT(NavigableContainer, HTMLObjectElement)
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enum class Representation {
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Unknown,
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Image,
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NestedBrowsingContext,
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Children,
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};
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public:
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virtual ~HTMLObjectElement() override;
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virtual void form_associated_element_attribute_changed(FlyString const& name, Optional<String> const& value) override;
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virtual void form_associated_element_was_removed(DOM::Node*) override;
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String data() const;
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void set_data(String const& data) { MUST(set_attribute(HTML::AttributeNames::data, data)); }
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String type() const { return get_attribute_value(HTML::AttributeNames::type); }
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// ^FormAssociatedElement
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// https://html.spec.whatwg.org/multipage/forms.html#category-listed
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virtual bool is_listed() const override { return true; }
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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HTMLObjectElement(DOM::Document&, DOM::QualifiedName);
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virtual bool is_html_object_element() const override { return true; }
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virtual void initialize(JS::Realm&) override;
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virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
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bool has_ancestor_media_element_or_object_element_not_showing_fallback_content() const;
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void queue_element_task_to_run_object_representation_steps();
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void run_object_representation_handler_steps(Optional<ByteString> resource_type);
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void run_object_representation_completed_steps(Representation);
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void run_object_representation_fallback_steps();
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void load_image();
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void update_layout_and_child_objects(Representation);
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// ^ResourceClient
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virtual void resource_did_load() override;
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virtual void resource_did_fail() override;
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// ^DOM::Element
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virtual i32 default_tab_index_value() const override;
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// ^Layout::ImageProvider
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virtual bool is_image_available() const override;
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virtual Optional<CSSPixels> intrinsic_width() const override;
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virtual Optional<CSSPixels> intrinsic_height() const override;
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virtual Optional<CSSPixelFraction> intrinsic_aspect_ratio() const override;
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virtual RefPtr<Gfx::ImmutableBitmap> current_image_bitmap(Gfx::IntSize = {}) const override;
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virtual void set_visible_in_viewport(bool) override;
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virtual JS::NonnullGCPtr<DOM::Element const> to_html_element() const override { return *this; }
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Representation m_representation { Representation::Unknown };
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JS::GCPtr<DecodedImageData> image_data() const;
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JS::GCPtr<SharedResourceRequest> m_resource_request;
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};
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}
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namespace Web::DOM {
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template<>
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inline bool Node::fast_is<HTML::HTMLObjectElement>() const { return is_html_object_element(); }
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}
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