1/*
2 * Copyright (C) 2011 Google 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 LoadableTextTrack_h
27#define LoadableTextTrack_h
28
29#include "core/html/track/TextTrack.h"
30#include "core/loader/TextTrackLoader.h"
31#include "platform/heap/Handle.h"
32#include "wtf/PassRefPtr.h"
33
34namespace blink {
35
36class HTMLTrackElement;
37class LoadableTextTrack;
38
39class LoadableTextTrack FINAL : public TextTrack, private TextTrackLoaderClient {
40public:
41    static PassRefPtrWillBeRawPtr<LoadableTextTrack> create(HTMLTrackElement* track)
42    {
43        return adoptRefWillBeNoop(new LoadableTextTrack(track));
44    }
45    virtual ~LoadableTextTrack();
46
47    void scheduleLoad(const KURL&);
48
49    // TextTrack method.
50    virtual void setMode(const AtomicString&) OVERRIDE;
51
52    size_t trackElementIndex();
53    HTMLTrackElement* trackElement() { return m_trackElement; }
54#if !ENABLE(OILPAN)
55    void clearTrackElement();
56#endif
57
58    virtual bool isDefault() const OVERRIDE { return m_isDefault; }
59    virtual void setIsDefault(bool isDefault) OVERRIDE  { m_isDefault = isDefault; }
60
61    virtual void trace(Visitor*) OVERRIDE;
62
63private:
64    // TextTrackLoaderClient
65    virtual void newCuesAvailable(TextTrackLoader*) OVERRIDE;
66    virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) OVERRIDE;
67    virtual void newRegionsAvailable(TextTrackLoader*) OVERRIDE;
68
69    explicit LoadableTextTrack(HTMLTrackElement*);
70
71    void loadTimerFired(Timer<LoadableTextTrack>*);
72
73    RawPtrWillBeMember<HTMLTrackElement> m_trackElement;
74    Timer<LoadableTextTrack> m_loadTimer;
75    OwnPtrWillBeMember<TextTrackLoader> m_loader;
76    KURL m_url;
77    bool m_isDefault;
78};
79} // namespace blink
80
81#endif
82