b6bef6b688
Produce JS-visible string results as UTF-16 at their source, including numeric formatting, BigInt and BigFraction formatting, URI encoding, console formatting, parser errors, regular expression errors, Intl and Temporal records, LibUnicode locale boundaries, and LibWeb bindings. Handle fractional radix formatting through the UTF-16 builder view.
73 lines
2.8 KiB
C++
73 lines
2.8 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 <LibJS/Runtime/ValueInlines.h>
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#include <LibWeb/Bindings/ExceptionOrUtils.h>
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#include <LibWeb/Bindings/HTMLImageElement.h>
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#include <LibWeb/Bindings/ImageConstructor.h>
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#include <LibWeb/DOM/ElementFactory.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/Namespace.h>
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#include <LibWeb/WebIDL/AbstractOperations.h>
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namespace Web::Bindings {
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GC_DEFINE_ALLOCATOR(ImageConstructor);
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ImageConstructor::ImageConstructor(JS::Realm& realm)
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: NativeFunction(realm.intrinsics().function_prototype())
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{
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}
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void ImageConstructor::initialize(JS::Realm& realm)
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{
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auto& vm = this->vm();
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Base::initialize(realm);
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define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
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define_direct_property(vm.names.name, JS::PrimitiveString::create(vm, "Image"_utf16_fly_string), JS::Attribute::Configurable);
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define_direct_property(vm.names.prototype, &ensure_web_prototype<Bindings::HTMLImageElementPrototype>(realm, "HTMLImageElement"_fly_string), 0);
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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>(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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// https://webidl.spec.whatwg.org/#legacy-factory-functions
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JS::ThrowCompletionOr<GC::Ref<JS::Object>> ImageConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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// 1. Let document be the current global object's associated Document.
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auto& window = as<HTML::Window>(HTML::current_global_object());
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auto& document = window.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 = TRY(Bindings::throw_dom_exception_if_needed(vm, [&]() { return DOM::create_element(document, HTML::TagNames::img, Namespace::HTML); }));
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// https://webidl.spec.whatwg.org/#internally-create-a-new-object-implementing-the-interface
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TRY(WebIDL::set_prototype_from_new_target<HTMLImageElementPrototype>(vm, new_target, "HTMLImageElement"_fly_string, *image_element));
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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(vm));
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image_element->set_attribute_value(HTML::AttributeNames::width, MUST(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(vm));
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image_element->set_attribute_value(HTML::AttributeNames::height, MUST(String::formatted("{}", height)));
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}
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// 5. Return img.
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return image_element;
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}
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}
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