LibWeb: Add basic implementation of @page

This doesn't support selectors, and the only descriptors for now are for margins.
Author: https://github.com/AtkinsSJ Commit: aaf07ae30d Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4735
2025-08-05 23:59:49 +00:00 · 2025-05-13 12:17:41 +01:00 · 2025-05-13 12:17:41 +01:00 · aaf07ae30d · 2025-05-15 08:54:53 +00:00
commit aaf07ae30d
parent 1002464322
27 changed files with 471 additions and 20 deletions
--- a/Libraries/LibWeb/CSS/CSSPageDescriptors.cpp
+++ b/Libraries/LibWeb/CSS/CSSPageDescriptors.cpp
@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/CSSPageDescriptorsPrototype.h>
+#include <LibWeb/CSS/CSSPageDescriptors.h>
+
+namespace Web::CSS {
+
+GC_DEFINE_ALLOCATOR(CSSPageDescriptors);
+
+GC::Ref<CSSPageDescriptors> CSSPageDescriptors::create(JS::Realm& realm, Vector<Descriptor> descriptors)
+{
+    return realm.create<CSSPageDescriptors>(realm, move(descriptors));
+}
+
+CSSPageDescriptors::CSSPageDescriptors(JS::Realm& realm, Vector<Descriptor> descriptors)
+    : CSSDescriptors(realm, AtRuleID::Page, move(descriptors))
+{
+}
+
+CSSPageDescriptors::~CSSPageDescriptors() = default;
+
+void CSSPageDescriptors::initialize(JS::Realm& realm)
+{
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSPageDescriptors);
+    Base::initialize(realm);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_margin(StringView value)
+{
+    return set_property("margin"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::margin() const
+{
+    return get_property_value("margin"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_margin_top(StringView value)
+{
+    return set_property("margin-top"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::margin_top() const
+{
+    return get_property_value("margin-top"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_margin_right(StringView value)
+{
+    return set_property("margin-right"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::margin_right() const
+{
+    return get_property_value("margin-right"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_margin_bottom(StringView value)
+{
+    return set_property("margin-bottom"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::margin_bottom() const
+{
+    return get_property_value("margin-bottom"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_margin_left(StringView value)
+{
+    return set_property("margin-left"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::margin_left() const
+{
+    return get_property_value("margin-left"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_size(StringView value)
+{
+    return set_property("size"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::size() const
+{
+    return get_property_value("size"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_page_orientation(StringView value)
+{
+    return set_property("page-orientation"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::page_orientation() const
+{
+    return get_property_value("page-orientation"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_marks(StringView value)
+{
+    return set_property("marks"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::marks() const
+{
+    return get_property_value("marks"sv);
+}
+
+WebIDL::ExceptionOr<void> CSSPageDescriptors::set_bleed(StringView value)
+{
+    return set_property("bleed"sv, value, ""sv);
+}
+
+String CSSPageDescriptors::bleed() const
+{
+    return get_property_value("bleed"sv);
+}
+
+}