596eabe9e6
This patch adds HTML::ImageRequest and HTML::DecodedImageData. The latter had to use a different name than "ImageData", as there is already an IDL-exposed ImageData class in HTML.
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/*
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* Copyright (c) 2023, 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 <AK/Error.h>
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#include <AK/OwnPtr.h>
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#include <AK/URL.h>
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#include <LibGfx/Size.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibWeb/Forward.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/images.html#image-request
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class ImageRequest : public RefCounted<ImageRequest> {
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public:
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static ErrorOr<NonnullRefPtr<ImageRequest>> create();
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~ImageRequest();
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// https://html.spec.whatwg.org/multipage/images.html#img-req-state
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enum class State {
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Unavailable,
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PartiallyAvailable,
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CompletelyAvailable,
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Broken,
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};
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bool is_available() const;
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State state() const;
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void set_state(State);
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AK::URL const& current_url() const;
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void set_current_url(AK::URL);
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// https://html.spec.whatwg.org/multipage/images.html#abort-the-image-request
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void abort(JS::Realm&);
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[[nodiscard]] RefPtr<DecodedImageData const> image_data() const;
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void set_image_data(RefPtr<DecodedImageData const>);
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[[nodiscard]] float current_pixel_density() const { return m_current_pixel_density; }
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void set_current_pixel_density(float density) { m_current_pixel_density = density; }
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[[nodiscard]] Optional<Gfx::FloatSize> const& preferred_density_corrected_dimensions() const { return m_preferred_density_corrected_dimensions; }
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void set_preferred_density_corrected_dimensions(Optional<Gfx::FloatSize> dimensions) { m_preferred_density_corrected_dimensions = move(dimensions); }
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// https://html.spec.whatwg.org/multipage/images.html#prepare-an-image-for-presentation
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void prepare_for_presentation(HTMLImageElement&);
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void set_fetch_controller(JS::GCPtr<Fetch::Infrastructure::FetchController>);
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private:
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ImageRequest();
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// https://html.spec.whatwg.org/multipage/images.html#img-req-state
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// An image request's state is initially unavailable.
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State m_state { State::Unavailable };
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// https://html.spec.whatwg.org/multipage/images.html#img-req-url
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// An image request's current URL is initially the empty string.
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AK::URL m_current_url;
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// https://html.spec.whatwg.org/multipage/images.html#img-req-data
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RefPtr<DecodedImageData const> m_image_data;
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// https://html.spec.whatwg.org/multipage/images.html#current-pixel-density
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// Each image request has a current pixel density, which must initially be 1.
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float m_current_pixel_density { 1 };
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// https://html.spec.whatwg.org/multipage/images.html#preferred-density-corrected-dimensions
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// Each image request has preferred density-corrected dimensions,
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// which is either a struct consisting of a width and a height or is null. It must initially be null.
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Optional<Gfx::FloatSize> m_preferred_density_corrected_dimensions;
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JS::Handle<Fetch::Infrastructure::FetchController> m_fetch_controller;
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};
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}
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