summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/platform/graphics/MediaPlayerPrivate.h
blob: fa92e06569f4f3247a5d2013523ef162069d9ecb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
 * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef MediaPlayerPrivate_h
#define MediaPlayerPrivate_h

#if ENABLE(VIDEO)

#include "MediaPlayer.h"
#include <wtf/Forward.h>

namespace WebCore {

class IntRect;
class IntSize;

class MediaPlayerPrivateInterface {
    WTF_MAKE_NONCOPYABLE(MediaPlayerPrivateInterface); WTF_MAKE_FAST_ALLOCATED;
public:
    MediaPlayerPrivateInterface() { }
    virtual ~MediaPlayerPrivateInterface() { }

    virtual void load(const String& url) = 0;
    virtual void cancelLoad() = 0;
    
    virtual void prepareToPlay() { }
    virtual PlatformMedia platformMedia() const { return NoPlatformMedia; }
#if USE(ACCELERATED_COMPOSITING)
    virtual PlatformLayer* platformLayer() const { return 0; }
#endif

    virtual void play() = 0;
    virtual void pause() = 0;    

    virtual bool supportsFullscreen() const { return false; }
    virtual bool supportsSave() const { return false; }

    virtual IntSize naturalSize() const = 0;

    virtual bool hasVideo() const = 0;
    virtual bool hasAudio() const = 0;

    virtual void setVisible(bool) = 0;

    virtual float duration() const = 0;

    virtual float currentTime() const = 0;
    virtual void seek(float time) = 0;
    virtual bool seeking() const = 0;

    virtual float startTime() const { return 0; }

    virtual void setRate(float) = 0;
    virtual void setPreservesPitch(bool) { }

    virtual bool paused() const = 0;

    virtual void setVolume(float) = 0;

    virtual bool supportsMuting() const { return false; }
    virtual void setMuted(bool) { }

    virtual bool hasClosedCaptions() const { return false; }    
    virtual void setClosedCaptionsVisible(bool) { }

    virtual MediaPlayer::NetworkState networkState() const = 0;
    virtual MediaPlayer::ReadyState readyState() const = 0;

    virtual float maxTimeSeekable() const = 0;
    virtual PassRefPtr<TimeRanges> buffered() const = 0;

    virtual unsigned bytesLoaded() const = 0;

    virtual void setSize(const IntSize&) = 0;

    virtual void paint(GraphicsContext*, const IntRect&) = 0;

    virtual void paintCurrentFrameInContext(GraphicsContext* c, const IntRect& r) { paint(c, r); }

    virtual void setPreload(MediaPlayer::Preload) { };

    virtual bool hasAvailableVideoFrame() const { return readyState() >= MediaPlayer::HaveCurrentData; }

    virtual bool canLoadPoster() const { return false; }
    virtual void setPoster(const String&) { }

#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
    virtual void deliverNotification(MediaPlayerProxyNotificationType) = 0;
    virtual void setMediaPlayerProxy(WebMediaPlayerProxy*) = 0;
    virtual void setControls(bool) { }
    virtual void enterFullscreen() { }
    virtual void exitFullscreen() { }
#endif
#if PLATFORM(ANDROID)
    virtual void enterFullscreenMode() { }
#endif
#if USE(ACCELERATED_COMPOSITING)
    // whether accelerated rendering is supported by the media engine for the current media.
    virtual bool supportsAcceleratedRendering() const { return false; }
    // called when the rendering system flips the into or out of accelerated rendering mode.
    virtual void acceleratedRenderingStateChanged() { }
#endif

    virtual bool hasSingleSecurityOrigin() const { return false; }

    virtual MediaPlayer::MovieLoadType movieLoadType() const { return MediaPlayer::Unknown; }

    virtual void prepareForRendering() { }

    // Time value in the movie's time scale. It is only necessary to override this if the media
    // engine uses rational numbers to represent media time.
    virtual float mediaTimeForTimeValue(float timeValue) const { return timeValue; }

    // Overide this if it is safe for HTMLMediaElement to cache movie time and report
    // 'currentTime' as [cached time + elapsed wall time]. Returns the maximum wall time
    // it is OK to calculate movie time before refreshing the cached time.
    virtual double maximumDurationToCacheMediaTime() const { return 0; }

    virtual unsigned decodedFrameCount() const { return 0; }
    virtual unsigned droppedFrameCount() const { return 0; }
    virtual unsigned audioDecodedByteCount() const { return 0; }
    virtual unsigned videoDecodedByteCount() const { return 0; }

    void getSitesInMediaCache(Vector<String>&) { }
    void clearMediaCache() { }
    void clearMediaCacheForSite(const String&) { }

    virtual void setPrivateBrowsingMode(bool) { }
};

}

#endif
#endif