mirror of
https://github.com/RGBCube/serenity
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63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLImageElementPrototype.h>
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#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
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#include <LibWeb/Bindings/ImageConstructor.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/DOM/ElementFactory.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/Namespace.h>
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namespace Web::Bindings {
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ImageConstructor::ImageConstructor(JS::GlobalObject& global_object)
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: NativeFunction(*global_object.function_prototype())
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{
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}
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void ImageConstructor::initialize(JS::GlobalObject& global_object)
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{
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auto& vm = this->vm();
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auto& window = static_cast<WindowObject&>(global_object);
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NativeFunction::initialize(global_object);
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define_direct_property(vm.names.prototype, &window.ensure_web_prototype<HTMLImageElementPrototype>("HTMLImageElement"), 0);
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define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
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}
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JS::ThrowCompletionOr<JS::Value> ImageConstructor::call()
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{
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return vm().throw_completion<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "Image");
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}
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// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-image
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JS::ThrowCompletionOr<JS::Object*> ImageConstructor::construct(FunctionObject&)
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{
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// 1. Let document be the current global object's associated Document.
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auto& window = static_cast<WindowObject&>(HTML::current_global_object());
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auto& document = window.impl().associated_document();
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// 2. Let img be the result of creating an element given document, img, and the HTML namespace.
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auto image_element = DOM::create_element(document, HTML::TagNames::img, Namespace::HTML);
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// 3. If width is given, then set an attribute value for img using "width" and width.
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if (vm().argument_count() > 0) {
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u32 width = TRY(vm().argument(0).to_u32(global_object()));
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image_element->set_attribute(HTML::AttributeNames::width, String::formatted("{}", width));
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}
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// 4. If height is given, then set an attribute value for img using "height" and height.
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if (vm().argument_count() > 1) {
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u32 height = TRY(vm().argument(1).to_u32(global_object()));
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image_element->set_attribute(HTML::AttributeNames::height, String::formatted("{}", height));
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}
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// 5. Return img.
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return wrap(global_object(), image_element);
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}
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}
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