1/*
2 * Copyright (C) 2012, 2013 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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef InbandTextTrackPrivateAVF_h
27#define InbandTextTrackPrivateAVF_h
28
29#if ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS))
30
31#include "InbandTextTrackPrivate.h"
32#include "InbandTextTrackPrivateClient.h"
33#include <wtf/text/StringBuilder.h>
34
35namespace WebCore {
36
37class AVFInbandTrackParent {
38public:
39    virtual ~AVFInbandTrackParent();
40
41    virtual void trackModeChanged() = 0;
42};
43
44class InbandTextTrackPrivateAVF : public InbandTextTrackPrivate {
45public:
46
47    ~InbandTextTrackPrivateAVF();
48
49    virtual void setMode(InbandTextTrackPrivate::Mode) OVERRIDE;
50
51    virtual int textTrackIndex() const OVERRIDE { return m_index; }
52    void setTextTrackIndex(int index) { m_index = index; }
53
54    virtual void disconnect();
55
56    bool hasBeenReported() const { return m_hasBeenReported; }
57    void setHasBeenReported(bool reported) { m_hasBeenReported = reported; }
58
59    void processCue(CFArrayRef, double);
60    void resetCueValues();
61
62    void beginSeeking();
63    void endSeeking() { m_seeking = false; }
64    bool seeking() const { return m_seeking; }
65
66    virtual bool isLegacyClosedCaptionsTrack() const = 0;
67
68protected:
69    InbandTextTrackPrivateAVF(AVFInbandTrackParent*);
70
71    void processCueAttributes(CFAttributedStringRef, GenericCueData*);
72
73    double m_currentCueStartTime;
74    double m_currentCueEndTime;
75
76    Vector<RefPtr<GenericCueData> > m_cues;
77    AVFInbandTrackParent* m_owner;
78
79    enum PendingCueStatus {
80        None,
81        DeliveredDuringSeek,
82        Valid
83    };
84    PendingCueStatus m_pendingCueStatus;
85
86    int m_index;
87    bool m_hasBeenReported;
88    bool m_seeking;
89};
90
91} // namespace WebCore
92
93#endif //  ENABLE(VIDEO) && (USE(AVFOUNDATION) || PLATFORM(IOS))
94
95#endif // InbandTextTrackPrivateAVF_h
96