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/*
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
#include <AK/OwnPtr.h>
#include <AK/URL.h>
#include <LibGfx/Size.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/Forward.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/images.html#image-request
class ImageRequest : public RefCounted<ImageRequest> {
public:
static ErrorOr<NonnullRefPtr<ImageRequest>> create();
~ImageRequest();
// https://html.spec.whatwg.org/multipage/images.html#img-req-state
enum class State {
Unavailable,
PartiallyAvailable,
CompletelyAvailable,
Broken,
};
bool is_available() const;
State state() const;
void set_state(State);
AK::URL const& current_url() const;
void set_current_url(AK::URL);
// https://html.spec.whatwg.org/multipage/images.html#abort-the-image-request
void abort(JS::Realm&);
[[nodiscard]] RefPtr<DecodedImageData const> image_data() const;
void set_image_data(RefPtr<DecodedImageData const>);
[[nodiscard]] float current_pixel_density() const { return m_current_pixel_density; }
void set_current_pixel_density(float density) { m_current_pixel_density = density; }
[[nodiscard]] Optional<Gfx::FloatSize> const& preferred_density_corrected_dimensions() const { return m_preferred_density_corrected_dimensions; }
void set_preferred_density_corrected_dimensions(Optional<Gfx::FloatSize> dimensions) { m_preferred_density_corrected_dimensions = move(dimensions); }
// https://html.spec.whatwg.org/multipage/images.html#prepare-an-image-for-presentation
void prepare_for_presentation(HTMLImageElement&);
void set_fetch_controller(JS::GCPtr<Fetch::Infrastructure::FetchController>);
private:
ImageRequest();
// https://html.spec.whatwg.org/multipage/images.html#img-req-state
// An image request's state is initially unavailable.
State m_state { State::Unavailable };
// https://html.spec.whatwg.org/multipage/images.html#img-req-url
// An image request's current URL is initially the empty string.
AK::URL m_current_url;
// https://html.spec.whatwg.org/multipage/images.html#img-req-data
RefPtr<DecodedImageData const> m_image_data;
// https://html.spec.whatwg.org/multipage/images.html#current-pixel-density
// Each image request has a current pixel density, which must initially be 1.
float m_current_pixel_density { 1 };
// https://html.spec.whatwg.org/multipage/images.html#preferred-density-corrected-dimensions
// Each image request has preferred density-corrected dimensions,
// which is either a struct consisting of a width and a height or is null. It must initially be null.
Optional<Gfx::FloatSize> m_preferred_density_corrected_dimensions;
JS::Handle<Fetch::Infrastructure::FetchController> m_fetch_controller;
};
}
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