ladybird/Libraries/LibWeb/DOM/XMLHttpRequest.cpp
Andreas Kling 4036f15728 LibWeb: Support relative URL's in XMLHttpRequest
In order to complete a relative URL, we need a Document. Fix this by
giving XMLHttpRequest a pointer to its window object. Then we can go
from the window to the document, and then we're home free. :^)
2020-04-08 21:46:43 +02:00

92 lines
3.2 KiB
C++

/*
* 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 <LibJS/Interpreter.h>
#include <LibJS/Runtime/Function.h>
#include <LibWeb/Bindings/EventWrapper.h>
#include <LibWeb/Bindings/XMLHttpRequestWrapper.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/EventListener.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/DOM/XMLHttpRequest.h>
#include <LibWeb/ResourceLoader.h>
namespace Web {
XMLHttpRequest::XMLHttpRequest(Window& window)
: m_window(window)
{
}
XMLHttpRequest::~XMLHttpRequest()
{
}
String XMLHttpRequest::response_text() const
{
if (m_response.is_null())
return {};
return String::copy(m_response);
}
void XMLHttpRequest::open(const String& method, const String& url)
{
m_method = method;
m_url = url;
}
void XMLHttpRequest::send()
{
ResourceLoader::the().load(
m_window->document().complete_url(m_url),
[weak_this = make_weak_ptr()](auto& data) {
if (!weak_this)
return;
const_cast<XMLHttpRequest&>(*weak_this).m_response = data;
const_cast<XMLHttpRequest&>(*weak_this).dispatch_event(Event::create("load"));
},
[weak_this = make_weak_ptr()](auto& error) {
if (!weak_this)
return;
dbg() << "XHR failed to load: " << error;
const_cast<XMLHttpRequest&>(*weak_this).dispatch_event(Event::create("error"));
});
}
void XMLHttpRequest::dispatch_event(NonnullRefPtr<Event> event)
{
for (auto& listener : listeners()) {
if (listener.event_name == event->name()) {
auto* function = const_cast<EventListener&>(*listener.listener).function();
auto* this_value = wrap(function->heap(), *this);
auto* event_wrapper = wrap(function->heap(), *event);
function->interpreter().call(function, this_value, { event_wrapper });
}
}
}
}