1/*
2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef TextTrackRepresentation_h
27#define TextTrackRepresentation_h
28
29#if ENABLE(VIDEO_TRACK)
30
31#include "PlatformLayer.h"
32#include <wtf/Forward.h>
33
34namespace WebCore {
35
36class Image;
37class IntRect;
38
39class TextTrackRepresentationClient {
40public:
41 virtual ~TextTrackRepresentationClient() = default;
42
43 virtual RefPtr<Image> createTextTrackRepresentationImage() = 0;
44 virtual void textTrackRepresentationBoundsChanged(const IntRect&) = 0;
45};
46
47class TextTrackRepresentation {
48 WTF_MAKE_FAST_ALLOCATED;
49public:
50 static std::unique_ptr<TextTrackRepresentation> create(TextTrackRepresentationClient&);
51
52 virtual ~TextTrackRepresentation() = default;
53
54 virtual void update() = 0;
55 virtual PlatformLayer* platformLayer() = 0;
56 virtual void setContentScale(float) = 0;
57 virtual IntRect bounds() const = 0;
58};
59
60}
61
62#endif
63
64#endif // TextTrackRepresentation_h
65