ladybird/Userland/Libraries/LibWeb/HTML/History.cpp
2022-09-06 00:27:09 +02:00

64 lines
2.4 KiB
C++

/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/HistoryPrototype.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/History.h>
namespace Web::HTML {
JS::NonnullGCPtr<History> History::create(HTML::Window& window, DOM::Document& document)
{
return *window.heap().allocate<History>(window.realm(), window, document);
}
History::History(HTML::Window& window, DOM::Document& document)
: PlatformObject(window.realm())
, m_associated_document(document)
{
set_prototype(&window.ensure_web_prototype<Bindings::HistoryPrototype>("History"));
}
History::~History() = default;
void History::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_associated_document.ptr());
}
// https://html.spec.whatwg.org/multipage/history.html#dom-history-pushstate
DOM::ExceptionOr<void> History::push_state(JS::Value data, String const&, String const& url)
{
// NOTE: The second parameter of this function is intentionally unused.
return shared_history_push_replace_state(data, url, IsPush::Yes);
}
// https://html.spec.whatwg.org/multipage/history.html#dom-history-replacestate
DOM::ExceptionOr<void> History::replace_state(JS::Value data, String const&, String const& url)
{
// NOTE: The second parameter of this function is intentionally unused.
return shared_history_push_replace_state(data, url, IsPush::No);
}
// https://html.spec.whatwg.org/multipage/history.html#shared-history-push/replace-state-steps
DOM::ExceptionOr<void> History::shared_history_push_replace_state(JS::Value, String const&, IsPush)
{
// 1. Let document be history's associated Document. (NOTE: Not necessary)
// 2. If document is not fully active, then throw a "SecurityError" DOMException.
if (!m_associated_document->is_fully_active())
return DOM::SecurityError::create("Cannot perform pushState or replaceState on a document that isn't fully active.");
// 3. Optionally, return. (For example, the user agent might disallow calls to these methods that are invoked on a timer,
// or from event listeners that are not triggered in response to a clear user action, or that are invoked in rapid succession.)
dbgln("FIXME: Implement shared_history_push_replace_state.");
return {};
// FIXME: Add the rest of the spec steps once they're added.
}
}