From 66d1b783481752f13e0cb431f1d46a091c2214c3 Mon Sep 17 00:00:00 2001
From: MacDue <macdue@dueutil.tech>
Date: Tue, 18 Apr 2023 18:51:00 +0100
Subject: [PATCH] LibWeb: Implement SVGAnimatedNumber

See https://www.w3.org/TR/2013/WD-SVG2-20130409/types.html#InterfaceSVGAnimatedNumber
---
 Userland/Libraries/LibWeb/CMakeLists.txt      |  1 +
 .../LibWeb/SVG/SVGAnimatedNumber.cpp          | 34 +++++++++++++++++
 .../Libraries/LibWeb/SVG/SVGAnimatedNumber.h  | 37 +++++++++++++++++++
 .../LibWeb/SVG/SVGAnimatedNumber.idl          |  6 +++
 Userland/Libraries/LibWeb/idl_files.cmake     |  1 +
 5 files changed, 79 insertions(+)
 create mode 100644 Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.cpp
 create mode 100644 Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.h
 create mode 100644 Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.idl

diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index 71742b11ce..249aeebcd3 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -488,6 +488,7 @@ set(SOURCES
     SVG/AttributeNames.cpp
     SVG/AttributeParser.cpp
     SVG/SVGAnimatedLength.cpp
+    SVG/SVGAnimatedNumber.cpp
     SVG/SVGClipPathElement.cpp
     SVG/SVGDefsElement.cpp
     SVG/SVGElement.cpp
diff --git a/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.cpp b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.cpp
new file mode 100644
index 0000000000..987c61e73f
--- /dev/null
+++ b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/SVG/SVGAnimatedNumber.h>
+
+namespace Web::SVG {
+
+WebIDL::ExceptionOr<JS::NonnullGCPtr<SVGAnimatedNumber>> SVGAnimatedNumber::create(JS::Realm& realm, float base_val, float anim_val)
+{
+    return MUST_OR_THROW_OOM(realm.heap().allocate<SVGAnimatedNumber>(realm, realm, base_val, anim_val));
+}
+
+SVGAnimatedNumber::SVGAnimatedNumber(JS::Realm& realm, float base_val, float anim_val)
+    : PlatformObject(realm)
+    , m_base_val(base_val)
+    , m_anim_val(anim_val)
+{
+}
+
+SVGAnimatedNumber::~SVGAnimatedNumber() = default;
+
+JS::ThrowCompletionOr<void> SVGAnimatedNumber::initialize(JS::Realm& realm)
+{
+    MUST_OR_THROW_OOM(Base::initialize(realm));
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGAnimatedNumberPrototype>(realm, "SVGAnimatedNumber"));
+
+    return {};
+}
+
+}
diff --git a/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.h b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.h
new file mode 100644
index 0000000000..f0997a59a2
--- /dev/null
+++ b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/WebIDL/ExceptionOr.h>
+
+namespace Web::SVG {
+
+// https://www.w3.org/TR/SVG11/types.html#InterfaceSVGAnimatedNumber
+class SVGAnimatedNumber final : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(SVGAnimatedNumber, Bindings::PlatformObject);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<SVGAnimatedNumber>> create(JS::Realm&, float base_val, float anim_val);
+    virtual ~SVGAnimatedNumber() override;
+
+    float base_val() const { return m_base_val; }
+    float anim_val() const { return m_anim_val; }
+
+    void set_base_val(float base_val) { m_base_val = base_val; }
+    void set_anim_val(float anim_val) { m_anim_val = anim_val; }
+
+private:
+    SVGAnimatedNumber(JS::Realm&, float base_val, float anim_val);
+
+    virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
+
+    float m_base_val;
+    float m_anim_val;
+};
+
+}
diff --git a/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.idl b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.idl
new file mode 100644
index 0000000000..8c716400ea
--- /dev/null
+++ b/Userland/Libraries/LibWeb/SVG/SVGAnimatedNumber.idl
@@ -0,0 +1,6 @@
+// https://svgwg.org/svg2-draft/types.html#InterfaceSVGAnimatedNumber
+[Exposed=Window]
+interface SVGAnimatedNumber {
+           attribute float baseVal;
+  readonly attribute float animVal;
+};
diff --git a/Userland/Libraries/LibWeb/idl_files.cmake b/Userland/Libraries/LibWeb/idl_files.cmake
index a18f942088..8427632f08 100644
--- a/Userland/Libraries/LibWeb/idl_files.cmake
+++ b/Userland/Libraries/LibWeb/idl_files.cmake
@@ -191,6 +191,7 @@ libweb_js_bindings(Streams/ReadableStreamDefaultReader)
 libweb_js_bindings(Streams/WritableStream)
 libweb_js_bindings(Streams/WritableStreamDefaultWriter)
 libweb_js_bindings(SVG/SVGAnimatedLength)
+libweb_js_bindings(SVG/SVGAnimatedNumber)
 libweb_js_bindings(SVG/SVGClipPathElement)
 libweb_js_bindings(SVG/SVGDefsElement)
 libweb_js_bindings(SVG/SVGElement)