ladybird/Libraries/LibWeb/Geometry/DOMPointReadOnly.cpp
Andreas Kling a6dfc74e93 LibWeb: Only set prototype once for object with IDL interface
Before this change, we were going through the chain of base classes for
each IDL interface object and having them set the prototype to their
prototype.

Instead of doing that, reorder things so that we set the right prototype
immediately in Foo::initialize(), and then don't bother in all the base
class overrides.

This knocks off a ~1% profile item on Speedometer 3.
2025-04-20 18:43:11 +02:00

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/*
* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2024, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/DOMPointReadOnlyPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Geometry/DOMMatrix.h>
#include <LibWeb/Geometry/DOMPointReadOnly.h>
#include <LibWeb/HTML/StructuredSerialize.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::Geometry {
GC_DEFINE_ALLOCATOR(DOMPointReadOnly);
GC::Ref<DOMPointReadOnly> DOMPointReadOnly::construct_impl(JS::Realm& realm, double x, double y, double z, double w)
{
return realm.create<DOMPointReadOnly>(realm, x, y, z, w);
}
GC::Ref<DOMPointReadOnly> DOMPointReadOnly::create(JS::Realm& realm)
{
return realm.create<DOMPointReadOnly>(realm);
}
DOMPointReadOnly::DOMPointReadOnly(JS::Realm& realm, double x, double y, double z, double w)
: PlatformObject(realm)
, m_x(x)
, m_y(y)
, m_z(z)
, m_w(w)
{
}
DOMPointReadOnly::DOMPointReadOnly(JS::Realm& realm)
: PlatformObject(realm)
{
}
// https://drafts.fxtf.org/geometry/#dom-dompointreadonly-frompoint
GC::Ref<DOMPointReadOnly> DOMPointReadOnly::from_point(JS::VM& vm, DOMPointInit const& other)
{
// The fromPoint(other) static method on DOMPointReadOnly must create a DOMPointReadOnly from the dictionary other.
return construct_impl(*vm.current_realm(), other.x, other.y, other.z, other.w);
}
DOMPointReadOnly::~DOMPointReadOnly() = default;
// https://drafts.fxtf.org/geometry/#dom-dompointreadonly-matrixtransform
WebIDL::ExceptionOr<GC::Ref<DOMPoint>> DOMPointReadOnly::matrix_transform(DOMMatrixInit& matrix) const
{
// 1. Let matrixObject be the result of invoking create a DOMMatrix from the dictionary matrix.
auto matrix_object = TRY(DOMMatrix::create_from_dom_matrix_init(realm(), matrix));
// 2. Return the result of invoking transform a point with a matrix, given the current point and matrixObject. The current point does not get modified.
return matrix_object->transform_point(*this);
}
void DOMPointReadOnly::initialize(JS::Realm& realm)
{
WEB_SET_PROTOTYPE_FOR_INTERFACE(DOMPointReadOnly);
Base::initialize(realm);
}
WebIDL::ExceptionOr<void> DOMPointReadOnly::serialization_steps(HTML::SerializationRecord& serialized, bool, HTML::SerializationMemory&)
{
// 1. Set serialized.[[X]] to values x coordinate.
HTML::serialize_primitive_type(serialized, m_x);
// 2. Set serialized.[[Y]] to values y coordinate.
HTML::serialize_primitive_type(serialized, m_y);
// 3. Set serialized.[[Z]] to values z coordinate.
HTML::serialize_primitive_type(serialized, m_z);
// 4. Set serialized.[[W]] to values w coordinate.
HTML::serialize_primitive_type(serialized, m_w);
return {};
}
WebIDL::ExceptionOr<void> DOMPointReadOnly::deserialization_steps(ReadonlySpan<u32> const& serialized, size_t& position, HTML::DeserializationMemory&)
{
// 1. Set values x coordinate to serialized.[[X]].
m_x = HTML::deserialize_primitive_type<double>(serialized, position);
// 2. Set values y coordinate to serialized.[[Y]].
m_y = HTML::deserialize_primitive_type<double>(serialized, position);
// 3. Set values z coordinate to serialized.[[Z]].
m_z = HTML::deserialize_primitive_type<double>(serialized, position);
// 4. Set values w coordinate to serialized.[[W]].
m_w = HTML::deserialize_primitive_type<double>(serialized, position);
return {};
}
}