LibWeb: Generate Element bindings from IDL :^)

Had to do a bunch more hacking on WrapperGenerator to support this.
We now support attribute setters as well.

3 files changed, 1 insertions, 214 deletions

diff --git a/Libraries/LibWeb/Bindings/ElementWrapper.cpp b/Libraries/LibWeb/Bindings/ElementWrapper.cpp
deleted file mode 100644
index 1fca778af3..0000000000
--- a/Libraries/LibWeb/Bindings/ElementWrapper.cpp
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <AK/FlyString.h>
-#include <AK/Function.h>
-#include <LibJS/Interpreter.h>
-#include <LibJS/Runtime/Error.h>
-#include <LibJS/Runtime/GlobalObject.h>
-#include <LibJS/Runtime/PrimitiveString.h>
-#include <LibJS/Runtime/Value.h>
-#include <LibWeb/Bindings/ElementWrapper.h>
-#include <LibWeb/DOM/AttributeNames.h>
-#include <LibWeb/DOM/Element.h>
-
-namespace Web {
-namespace Bindings {
-
-ElementWrapper::ElementWrapper(JS::GlobalObject& global_object, Element& element)
-    : NodeWrapper(global_object, element)
-{
-}
-
-void ElementWrapper::initialize(JS::Interpreter& interpreter, JS::GlobalObject& global_object)
-{
-    NodeWrapper::initialize(interpreter, global_object);
-
-    define_native_property("innerHTML", inner_html_getter, inner_html_setter);
-    define_native_property("id", id_getter, id_setter);
-
-    u8 attributes = JS::Attribute::Configurable | JS::Attribute::Enumerable | JS::Attribute::Writable;
-    define_native_function("getAttribute", get_attribute, 1, attributes);
-    define_native_function("setAttribute", set_attribute, 2, attributes);
-}
-
-ElementWrapper::~ElementWrapper()
-{
-}
-
-Element& ElementWrapper::node()
-{
-    return static_cast<Element&>(NodeWrapper::impl());
-}
-
-const Element& ElementWrapper::node() const
-{
-    return static_cast<const Element&>(NodeWrapper::impl());
-}
-
-static Element* impl_from(JS::Interpreter& interpreter, JS::GlobalObject& global_object)
-{
-    auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object);
-    if (!this_object)
-        return nullptr;
-    // FIXME: Verify that it's an ElementWrapper somehow!
-    return &static_cast<ElementWrapper*>(this_object)->node();
-}
-
-JS_DEFINE_NATIVE_FUNCTION(ElementWrapper::get_attribute)
-{
-    auto* impl = impl_from(interpreter, global_object);
-    if (!impl)
-        return {};
-
-    if (interpreter.argument_count() < 1)
-        return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "getAttribute");
-
-    auto attribute_name = interpreter.argument(0).to_string(interpreter);
-    if (interpreter.exception())
-        return {};
-
-    auto attribute_value = impl->attribute(attribute_name);
-    if (attribute_value.is_null())
-        return JS::js_null();
-
-    return JS::js_string(interpreter, attribute_value);
-}
-
-JS_DEFINE_NATIVE_FUNCTION(ElementWrapper::set_attribute)
-{
-    auto* impl = impl_from(interpreter, global_object);
-    if (!impl)
-        return {};
-
-    if (interpreter.argument_count() < 2)
-        return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountMany, "setAttribute", "two");
-
-    auto attribute_name = interpreter.argument(0).to_string(interpreter);
-    if (interpreter.exception())
-        return {};
-
-    auto attribute_value = interpreter.argument(1).to_string(interpreter);
-    if (interpreter.exception())
-        return {};
-
-    impl->set_attribute(attribute_name, attribute_value);
-    return JS::js_undefined();
-}
-
-JS_DEFINE_NATIVE_GETTER(ElementWrapper::inner_html_getter)
-{
-    if (auto* impl = impl_from(interpreter, global_object))
-        return JS::js_string(interpreter, impl->inner_html());
-    return {};
-}
-
-JS_DEFINE_NATIVE_SETTER(ElementWrapper::inner_html_setter)
-{
-    if (auto* impl = impl_from(interpreter, global_object)) {
-        auto string = value.to_string(interpreter);
-        if (interpreter.exception())
-            return;
-        impl->set_inner_html(string);
-    }
-}
-
-JS_DEFINE_NATIVE_GETTER(ElementWrapper::id_getter)
-{
-    if (auto* impl = impl_from(interpreter, global_object))
-        return JS::js_string(interpreter, impl->attribute(HTML::AttributeNames::id));
-    return {};
-}
-
-JS_DEFINE_NATIVE_SETTER(ElementWrapper::id_setter)
-{
-    if (auto* impl = impl_from(interpreter, global_object)) {
-        auto string = value.to_string(interpreter);
-        if (interpreter.exception())
-            return;
-        impl->set_attribute(HTML::AttributeNames::id, string);
-    }
-}
-
-}
-}
diff --git a/Libraries/LibWeb/Bindings/ElementWrapper.h b/Libraries/LibWeb/Bindings/ElementWrapper.h
deleted file mode 100644
index b7e53d1247..0000000000
--- a/Libraries/LibWeb/Bindings/ElementWrapper.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <LibWeb/Bindings/NodeWrapper.h>
-
-namespace Web {
-namespace Bindings {
-
-class ElementWrapper : public NodeWrapper {
-public:
-    ElementWrapper(JS::GlobalObject&, Element&);
-    virtual void initialize(JS::Interpreter&, JS::GlobalObject&) override;
-    virtual ~ElementWrapper() override;
-
-    Element& node();
-    const Element& node() const;
-
-private:
-    virtual const char* class_name() const override { return "ElementWrapper"; }
-
-    JS_DECLARE_NATIVE_GETTER(inner_html_getter);
-    JS_DECLARE_NATIVE_SETTER(inner_html_setter);
-
-    JS_DECLARE_NATIVE_GETTER(id_getter);
-    JS_DECLARE_NATIVE_SETTER(id_setter);
-
-    JS_DECLARE_NATIVE_FUNCTION(get_attribute);
-    JS_DECLARE_NATIVE_FUNCTION(set_attribute);
-};
-
-}
-}
diff --git a/Libraries/LibWeb/Bindings/Wrapper.h b/Libraries/LibWeb/Bindings/Wrapper.h
index 24c288b01c..09d9a6b5cb 100644
--- a/Libraries/LibWeb/Bindings/Wrapper.h
+++ b/Libraries/LibWeb/Bindings/Wrapper.h
@@ -40,6 +40,7 @@ class Wrapper
 public:
     virtual bool is_node_wrapper() const { return false; }
     virtual bool is_document_wrapper() const { return false; }
+    virtual bool is_element_wrapper() const { return false; }
 
 protected:
     explicit Wrapper(Object& prototype)