1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/HTMLImageElementPrototype.h>
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
#include <LibWeb/Bindings/ImageConstructor.h>
#include <LibWeb/Bindings/NodeWrapperFactory.h>
#include <LibWeb/DOM/ElementFactory.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/Namespace.h>
namespace Web::Bindings {
ImageConstructor::ImageConstructor(JS::GlobalObject& global_object)
: NativeFunction(*global_object.function_prototype())
{
}
void ImageConstructor::initialize(JS::GlobalObject& global_object)
{
auto& vm = this->vm();
auto& window = static_cast<WindowObject&>(global_object);
NativeFunction::initialize(global_object);
define_property(vm.names.prototype, &window.ensure_web_prototype<HTMLImageElementPrototype>("HTMLImageElement"), 0);
define_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
}
ImageConstructor::~ImageConstructor()
{
}
JS::Value ImageConstructor::call()
{
vm().throw_exception<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "Image");
return {};
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#dom-image
JS::Value ImageConstructor::construct(Function&)
{
auto& window = static_cast<WindowObject&>(global_object());
auto& document = window.impl().document();
auto image_element = DOM::create_element(document, HTML::TagNames::img, Namespace::HTML);
if (vm().argument_count() > 0) {
u32 width = vm().argument(0).to_u32(global_object());
if (vm().exception())
return {};
image_element->set_attribute(HTML::AttributeNames::width, String::formatted("{}", width));
}
if (vm().argument_count() > 1) {
u32 height = vm().argument(1).to_u32(global_object());
if (vm().exception())
return {};
image_element->set_attribute(HTML::AttributeNames::height, String::formatted("{}", height));
}
return wrap(global_object(), image_element);
}
}
|
