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/*
* 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 <LibJS/Interpreter.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/PrimitiveString.h>
#include <LibJS/Runtime/Value.h>
#include <LibWeb/Bindings/DocumentWrapper.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
namespace Web {
namespace Bindings {
DocumentWrapper::DocumentWrapper(Document& document)
: NodeWrapper(document)
{
define_native_function("getElementById", get_element_by_id, 1);
define_native_function("querySelector", query_selector, 1);
define_native_function("querySelectorAll", query_selector_all, 1);
}
DocumentWrapper::~DocumentWrapper()
{
}
Document& DocumentWrapper::node()
{
return static_cast<Document&>(NodeWrapper::node());
}
const Document& DocumentWrapper::node() const
{
return static_cast<const Document&>(NodeWrapper::node());
}
static Document* document_from(JS::Interpreter& interpreter)
{
auto* this_object = interpreter.this_value(interpreter.global_object()).to_object(interpreter);
if (!this_object)
return {};
if (StringView("DocumentWrapper") != this_object->class_name()) {
interpreter.throw_exception<JS::TypeError>(JS::ErrorType::NotA, "DocumentWrapper");
return {};
}
return &static_cast<DocumentWrapper*>(this_object)->node();
}
JS_DEFINE_NATIVE_FUNCTION(DocumentWrapper::get_element_by_id)
{
auto* document = document_from(interpreter);
if (!document)
return {};
if (!interpreter.argument_count())
return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "getElementById");
auto id = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};
auto* element = document->get_element_by_id(id);
if (!element)
return JS::js_null();
return wrap(interpreter.heap(), const_cast<Element&>(*element));
}
JS_DEFINE_NATIVE_FUNCTION(DocumentWrapper::query_selector)
{
auto* document = document_from(interpreter);
if (!document)
return {};
if (!interpreter.argument_count())
return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "querySelector");
auto selector = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};
// FIXME: Throw if selector is invalid
auto element = document->query_selector(selector);
if (!element)
return JS::js_null();
return wrap(interpreter.heap(), *element);
}
JS_DEFINE_NATIVE_FUNCTION(DocumentWrapper::query_selector_all)
{
auto* document = document_from(interpreter);
if (!document)
return {};
if (!interpreter.argument_count())
return interpreter.throw_exception<JS::TypeError>(JS::ErrorType::BadArgCountOne, "querySelectorAll");
auto selector = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};
// FIXME: Throw if selector is invalid
auto elements = document->query_selector_all(selector);
// FIXME: This should be a static NodeList, not a plain JS::Array.
auto* node_list = JS::Array::create(global_object);
for (auto& element : elements) {
node_list->indexed_properties().append(wrap(interpreter.heap(), element));
}
return node_list;
}
}
}
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