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 <LibHTML/DOM/Document.h>
28#include <LibHTML/Frame.h>
29#include <LibHTML/HtmlView.h>
30#include <LibHTML/Layout/LayoutDocument.h>
31
32Frame::Frame(HtmlView& html_view)
33 : m_html_view(html_view.make_weak_ptr())
34{
35}
36
37Frame::~Frame()
38{
39}
40
41void Frame::set_document(Document* document)
42{
43 if (m_document == document)
44 return;
45
46 if (m_document)
47 m_document->detach_from_frame({}, *this);
48
49 m_document = document;
50
51 if (m_document)
52 m_document->attach_to_frame({}, *this);
53}
54
55void Frame::set_size(const Gfx::Size& size)
56{
57 if (m_size == size)
58 return;
59 m_size = size;
60}
61
62void Frame::set_viewport_rect(const Gfx::Rect& rect)
63{
64 if (m_viewport_rect == rect)
65 return;
66 m_viewport_rect = rect;
67
68 if (m_document && m_document->layout_node())
69 m_document->layout_node()->did_set_viewport_rect({}, rect);
70}
71
72void Frame::set_needs_display(const Gfx::Rect& rect)
73{
74 if (!m_viewport_rect.intersects(rect))
75 return;
76
77 if (!on_set_needs_display)
78 return;
79 on_set_needs_display(rect);
80}