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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#pragma once
28
29#include <AK/ByteBuffer.h>
30#include <LibGfx/Forward.h>
31#include <LibWeb/DOM/HTMLElement.h>
32
33namespace Web {
34
35class LayoutDocument;
36
37class HTMLImageElement : public HTMLElement {
38public:
39 HTMLImageElement(Document&, const FlyString& tag_name);
40 virtual ~HTMLImageElement() override;
41
42 virtual void parse_attribute(const FlyString& name, const String& value) override;
43
44 String alt() const { return attribute("alt"); }
45 String src() const { return attribute("src"); }
46 int preferred_width() const;
47 int preferred_height() const;
48
49 const Gfx::Bitmap* bitmap() const;
50 const Gfx::ImageDecoder* image_decoder() const { return m_image_decoder; }
51
52 void set_volatile(Badge<LayoutDocument>, bool);
53
54private:
55 void load_image(const String& src);
56
57 virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override;
58
59 RefPtr<Gfx::ImageDecoder> m_image_decoder;
60 ByteBuffer m_encoded_data;
61};
62
63}