mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-15 12:39:13 +00:00
241 lines
10 KiB
C++
241 lines
10 KiB
C++
/*
|
||
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include "CSSRotate.h"
|
||
#include <LibWeb/Bindings/CSSRotatePrototype.h>
|
||
#include <LibWeb/Bindings/Intrinsics.h>
|
||
#include <LibWeb/CSS/CSSUnitValue.h>
|
||
#include <LibWeb/CSS/PropertyNameAndID.h>
|
||
#include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
|
||
#include <LibWeb/Geometry/DOMMatrix.h>
|
||
#include <LibWeb/WebIDL/ExceptionOr.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
GC_DEFINE_ALLOCATOR(CSSRotate);
|
||
|
||
GC::Ref<CSSRotate> CSSRotate::create(JS::Realm& realm, Is2D is_2d, GC::Ref<CSSNumericValue> x, GC::Ref<CSSNumericValue> y, GC::Ref<CSSNumericValue> z, GC::Ref<CSSNumericValue> angle)
|
||
{
|
||
return realm.create<CSSRotate>(realm, is_2d, x, y, z, angle);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssrotate-cssrotate
|
||
WebIDL::ExceptionOr<GC::Ref<CSSRotate>> CSSRotate::construct_impl(JS::Realm& realm, GC::Ref<CSSNumericValue> angle)
|
||
{
|
||
// The CSSRotate(angle) constructor must, when invoked, perform the following steps:
|
||
|
||
// 1. If angle doesn’t match <angle>, throw a TypeError.
|
||
if (!angle->type().matches_angle({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate angle component doesn't match <angle>"sv };
|
||
|
||
// 2. Return a new CSSRotate with its angle internal slot set to angle, its x and y internal slots set to new unit
|
||
// values of (0, "number"), its z internal slot set to a new unit value of (1, "number"), and its is2D internal
|
||
// slot set to true.
|
||
return realm.create<CSSRotate>(realm, Is2D::Yes,
|
||
CSSUnitValue::create(realm, 0, "number"_fly_string),
|
||
CSSUnitValue::create(realm, 0, "number"_fly_string),
|
||
CSSUnitValue::create(realm, 1, "number"_fly_string),
|
||
angle);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssrotate-cssrotate-x-y-z-anglec
|
||
WebIDL::ExceptionOr<GC::Ref<CSSRotate>> CSSRotate::construct_impl(JS::Realm& realm, CSSNumberish x, CSSNumberish y, CSSNumberish z, GC::Ref<CSSNumericValue> angle)
|
||
{
|
||
// The CSSRotate(x, y, z, angle) constructor must, when invoked, perform the following steps:
|
||
|
||
// 1. If angle doesn’t match <angle>, throw a TypeError.
|
||
if (!angle->type().matches_angle({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate angle component doesn't match <angle>"sv };
|
||
|
||
// 2. Let x, y, and z be replaced by the result of rectifying a numberish value.
|
||
auto rectified_x = rectify_a_numberish_value(realm, x);
|
||
auto rectified_y = rectify_a_numberish_value(realm, y);
|
||
auto rectified_z = rectify_a_numberish_value(realm, z);
|
||
|
||
// 3. If x, y, or z don’t match <number>, throw a TypeError.
|
||
if (!rectified_x->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate x component doesn't match <number>"sv };
|
||
if (!rectified_y->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate y component doesn't match <number>"sv };
|
||
if (!rectified_z->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate z component doesn't match <number>"sv };
|
||
|
||
// 4. Return a new CSSRotate with its angle internal slot set to angle, its x, y, z internal slots set to x, y, and
|
||
// z, and its is2D internal slot set to false.
|
||
return realm.create<CSSRotate>(realm, Is2D::No, rectified_x, rectified_y, rectified_z, angle);
|
||
}
|
||
|
||
CSSRotate::CSSRotate(JS::Realm& realm, Is2D is_2d, GC::Ref<CSSNumericValue> x, GC::Ref<CSSNumericValue> y, GC::Ref<CSSNumericValue> z, GC::Ref<CSSNumericValue> angle)
|
||
: CSSTransformComponent(realm, is_2d)
|
||
, m_x(x)
|
||
, m_y(y)
|
||
, m_z(z)
|
||
, m_angle(angle)
|
||
{
|
||
}
|
||
|
||
CSSRotate::~CSSRotate() = default;
|
||
|
||
void CSSRotate::initialize(JS::Realm& realm)
|
||
{
|
||
WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSRotate);
|
||
Base::initialize(realm);
|
||
}
|
||
|
||
void CSSRotate::visit_edges(Visitor& visitor)
|
||
{
|
||
Base::visit_edges(visitor);
|
||
visitor.visit(m_x);
|
||
visitor.visit(m_y);
|
||
visitor.visit(m_z);
|
||
visitor.visit(m_angle);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#serialize-a-cssrotate
|
||
WebIDL::ExceptionOr<Utf16String> CSSRotate::to_string() const
|
||
{
|
||
// 1. Let s initially be the empty string.
|
||
StringBuilder builder { StringBuilder::Mode::UTF16 };
|
||
|
||
// 2. If this’s is2D internal slot is false:
|
||
if (!is_2d()) {
|
||
// 1. Append "rotate3d(" to s.
|
||
builder.append("rotate3d("sv);
|
||
|
||
// 2. Serialize this’s x internal slot, and append it to s.
|
||
builder.append(TRY(m_x->to_string()));
|
||
|
||
// 3. Append ", " to s.
|
||
builder.append(", "sv);
|
||
|
||
// 4. Serialize this’s y internal slot, and append it to s.
|
||
builder.append(TRY(m_y->to_string()));
|
||
|
||
// 5. Append ", " to s.
|
||
builder.append(", "sv);
|
||
|
||
// 6. Serialize this’s z internal slot, and append it to s.
|
||
builder.append(TRY(m_z->to_string()));
|
||
|
||
// 7. Append "," to s.
|
||
builder.append(", "sv);
|
||
|
||
// 8. Serialize this’s angle internal slot, and append it to s.
|
||
builder.append(TRY(m_angle->to_string()));
|
||
|
||
// 9. Append ")" to s, and return s.
|
||
builder.append(")"sv);
|
||
return builder.to_utf16_string();
|
||
}
|
||
// 2. Otherwise:
|
||
else {
|
||
// 1. Append "rotate(" to s.
|
||
builder.append("rotate("sv);
|
||
|
||
// 2. Serialize this’s angle internal slot, and append it to s.
|
||
builder.append(TRY(m_angle->to_string()));
|
||
|
||
// 3. Append ")" to s, and return s.
|
||
builder.append(")"sv);
|
||
return builder.to_utf16_string();
|
||
}
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-csstransformcomponent-tomatrix
|
||
WebIDL::ExceptionOr<GC::Ref<Geometry::DOMMatrix>> CSSRotate::to_matrix() const
|
||
{
|
||
// 1. Let matrix be a new DOMMatrix object, initialized to this’s equivalent 4x4 transform matrix, as defined in
|
||
// CSS Transforms 1 § 12. Mathematical Description of Transform Functions, and with its is2D internal slot set
|
||
// to the same value as this’s is2D internal slot.
|
||
// NOTE: Recall that the is2D flag affects what transform, and thus what equivalent matrix, a
|
||
// CSSTransformComponent represents.
|
||
// As the entries of such a matrix are defined relative to the px unit, if any <length>s in this involved in
|
||
// generating the matrix are not compatible units with px (such as relative lengths or percentages), throw a
|
||
// TypeError.
|
||
// 2. Return matrix.
|
||
|
||
auto matrix = Geometry::DOMMatrix::create(realm());
|
||
|
||
// NB: to() throws a TypeError if the conversion can't be done.
|
||
auto angle = TRY(m_angle->to("deg"_fly_string))->value();
|
||
|
||
if (is_2d())
|
||
return matrix->rotate_axis_angle_self(0, 0, 1, angle);
|
||
|
||
auto x = TRY(m_x->to("number"_fly_string))->value();
|
||
auto y = TRY(m_y->to("number"_fly_string))->value();
|
||
auto z = TRY(m_z->to("number"_fly_string))->value();
|
||
|
||
return matrix->rotate_axis_angle_self(x, y, z, angle);
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssrotate-x
|
||
WebIDL::ExceptionOr<void> CSSRotate::set_x(CSSNumberish value)
|
||
{
|
||
// The x, y, and z attributes must, on setting to a new value val, rectify a numberish value from val and set the
|
||
// corresponding internal slot to the result of that.
|
||
// AD-HOC: WPT expects this to throw for invalid values. https://github.com/w3c/css-houdini-drafts/issues/1153
|
||
auto rectified_x = rectify_a_numberish_value(realm(), value);
|
||
if (!rectified_x->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate x component doesn't match <number>"sv };
|
||
m_x = rectified_x;
|
||
return {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssrotate-y
|
||
WebIDL::ExceptionOr<void> CSSRotate::set_y(CSSNumberish value)
|
||
{
|
||
// The x, y, and z attributes must, on setting to a new value val, rectify a numberish value from val and set the
|
||
// corresponding internal slot to the result of that.
|
||
// AD-HOC: WPT expects this to throw for invalid values. https://github.com/w3c/css-houdini-drafts/issues/1153
|
||
auto rectified_y = rectify_a_numberish_value(realm(), value);
|
||
if (!rectified_y->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate y component doesn't match <number>"sv };
|
||
m_y = rectified_y;
|
||
return {};
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssrotate-z
|
||
WebIDL::ExceptionOr<void> CSSRotate::set_z(CSSNumberish value)
|
||
{
|
||
// The x, y, and z attributes must, on setting to a new value val, rectify a numberish value from val and set the
|
||
// corresponding internal slot to the result of that.
|
||
// AD-HOC: WPT expects this to throw for invalid values. https://github.com/w3c/css-houdini-drafts/issues/1153
|
||
auto rectified_z = rectify_a_numberish_value(realm(), value);
|
||
if (!rectified_z->type().matches_number({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate z component doesn't match <number>"sv };
|
||
m_z = rectified_z;
|
||
return {};
|
||
}
|
||
|
||
WebIDL::ExceptionOr<void> CSSRotate::set_angle(GC::Ref<CSSNumericValue> value)
|
||
{
|
||
// AD-HOC: Not specced. WPT expects this to throw for invalid values. https://github.com/w3c/css-houdini-drafts/issues/1153
|
||
if (!value->type().matches_angle({}))
|
||
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSRotate angle component doesn't match <angle>"sv };
|
||
m_angle = value;
|
||
return {};
|
||
}
|
||
|
||
WebIDL::ExceptionOr<NonnullRefPtr<TransformationStyleValue const>> CSSRotate::create_style_value(PropertyNameAndID const& property) const
|
||
{
|
||
if (is_2d()) {
|
||
return TransformationStyleValue::create(property.id(), TransformFunction::Rotate,
|
||
{
|
||
TRY(m_angle->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
|
||
});
|
||
}
|
||
|
||
return TransformationStyleValue::create(property.id(), TransformFunction::Rotate3d,
|
||
{
|
||
TRY(m_x->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
|
||
TRY(m_y->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
|
||
TRY(m_z->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
|
||
TRY(m_angle->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
|
||
});
|
||
}
|
||
|
||
}
|