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Serenity Operating System
1/*
2 * Copyright (c) 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 <LibCore/Timer.h>
28#include <LibGUI/DisplayLink.h>
29#include <LibGUI/MessageBox.h>
30#include <LibJS/Interpreter.h>
31#include <LibJS/Runtime/Function.h>
32#include <LibWeb/DOM/Window.h>
33
34namespace Web {
35
36NonnullRefPtr<Window> Window::create_with_document(Document& document)
37{
38 return adopt(*new Window(document));
39}
40
41Window::Window(Document& document)
42 : m_document(document)
43{
44}
45
46Window::~Window()
47{
48}
49
50void Window::alert(const String& message)
51{
52 GUI::MessageBox::show(message, "Alert", GUI::MessageBox::Type::Information);
53}
54
55void Window::set_interval(JS::Function& callback, i32 interval)
56{
57 // FIXME: This leaks the interval timer and makes it unstoppable.
58 (void)Core::Timer::construct(interval, [handle = make_handle(&callback)] {
59 auto* function = const_cast<JS::Function*>(static_cast<const JS::Function*>(handle.cell()));
60 auto& interpreter = function->interpreter();
61 interpreter.call(function);
62 }).leak_ref();
63}
64
65void Window::set_timeout(JS::Function& callback, i32 interval)
66{
67 // FIXME: This leaks the interval timer and makes it unstoppable.
68 auto& timer = Core::Timer::construct(interval, [handle = make_handle(&callback)] {
69 auto* function = const_cast<JS::Function*>(static_cast<const JS::Function*>(handle.cell()));
70 auto& interpreter = function->interpreter();
71 interpreter.call(function);
72 }).leak_ref();
73 timer.set_single_shot(true);
74}
75
76i32 Window::request_animation_frame(JS::Function& callback)
77{
78 i32 link_id = GUI::DisplayLink::register_callback([handle = make_handle(&callback)](i32 link_id) {
79 auto* function = const_cast<JS::Function*>(static_cast<const JS::Function*>(handle.cell()));
80 auto& interpreter = function->interpreter();
81 interpreter.call(function);
82 GUI::DisplayLink::unregister_callback(link_id);
83 });
84
85 // FIXME: Don't hand out raw DisplayLink ID's to JavaScript!
86 return link_id;
87}
88
89void Window::cancel_animation_frame(i32 id)
90{
91 // FIXME: We should not be passing untrusted numbers to DisplayLink::unregister_callback()!
92 GUI::DisplayLink::unregister_callback(id);
93}
94
95}