jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/StringBuilder.h>
28#include <LibHTML/DOM/HTMLFormElement.h>
29#include <LibHTML/DOM/HTMLInputElement.h>
30#include <LibHTML/Frame.h>
31#include <LibHTML/HtmlView.h>
32
33HTMLFormElement::HTMLFormElement(Document& document, const String& tag_name)
34 : HTMLElement(document, tag_name)
35{
36}
37
38HTMLFormElement::~HTMLFormElement()
39{
40}
41
42void HTMLFormElement::submit()
43{
44 if (action().is_null()) {
45 dbg() << "Unsupported form action ''";
46 return;
47 }
48
49 if (method().to_lowercase() != "get") {
50 dbg() << "Unsupported form method '" << method() << "'";
51 return;
52 }
53
54 URL url(document().complete_url(action()));
55
56 struct NameAndValue {
57 String name;
58 String value;
59 };
60
61 Vector<NameAndValue> parameters;
62
63 for_each_in_subtree_of_type<HTMLInputElement>([&](auto& node) {
64 auto& input = to<HTMLInputElement>(node);
65 if (!input.name().is_null())
66 parameters.append({ input.name(), input.value() });
67 return IterationDecision::Continue;
68 });
69
70 StringBuilder builder;
71 for (size_t i = 0; i < parameters.size(); ++i) {
72 builder.append(parameters[i].name);
73 builder.append('=');
74 builder.append(parameters[i].value);
75 if (i != parameters.size() - 1)
76 builder.append('&');
77 }
78 url.set_query(builder.to_string());
79
80 // FIXME: We shouldn't let the form just do this willy-nilly.
81 document().frame()->html_view()->load(url);
82}