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
|
/*
* Copyright (C) 2020-2021 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#pragma once
#if ENABLE(MEDIA_SESSION)
#include "MediaMetadataInit.h"
#include <WebCore/CachedImageClient.h>
#include <WebCore/CachedResourceHandle.h>
#include <WebCore/MediaSession.h>
#include <wtf/CheckedRef.h>
#include <wtf/Function.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/URL.h>
#include <wtf/Vector.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class CachedImage;
class Document;
class Image;
class WeakPtrImplWithEventTargetData;
struct MediaImage;
using MediaSessionMetadata = MediaMetadataInit;
class ArtworkImageLoader final : public CachedImageClient, public RefCounted<ArtworkImageLoader> {
WTF_MAKE_TZONE_ALLOCATED_EXPORT(ArtworkImageLoader, WEBCORE_EXPORT);
public:
using ArtworkImageLoaderCallback = Function<void(Image*)>;
// The callback will only be called upon success or explicit failure to retrieve the image. If the operation is interrupted following the
// destruction of the ArtworkImageLoader, the callback won't be called.
WEBCORE_EXPORT static Ref<ArtworkImageLoader> create(Document&, const String& src, ArtworkImageLoaderCallback&&);
WEBCORE_EXPORT ~ArtworkImageLoader();
WEBCORE_EXPORT void requestImageResource();
// CachedResourceClient.
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
protected:
void notifyFinished(CachedResource&, const NetworkLoadMetrics&, LoadWillContinueInAnotherProcess) override;
private:
ArtworkImageLoader(Document&, const String& src, ArtworkImageLoaderCallback&&);
WeakPtr<Document, WeakPtrImplWithEventTargetData> m_document;
const String m_src;
ArtworkImageLoaderCallback m_callback;
CachedResourceHandle<CachedImage> m_cachedImage;
};
class MediaMetadata final : public RefCounted<MediaMetadata> {
public:
static ExceptionOr<Ref<MediaMetadata>> create(ScriptExecutionContext&, std::optional<MediaMetadataInit>&&);
static Ref<MediaMetadata> create(MediaSession&, Vector<URL>&&);
~MediaMetadata();
void setMediaSession(MediaSession&);
void resetMediaSession();
const String& title() const { return m_metadata.title; }
void setTitle(const String&);
const String& artist() const { return m_metadata.artist; }
void setArtist(const String&);
const String& album() const { return m_metadata.album; }
void setAlbum(const String&);
const Vector<MediaImage>& artwork() const { return m_metadata.artwork; }
ExceptionOr<void> setArtwork(ScriptExecutionContext&, Vector<MediaImage>&&);
const String& artworkSrc() const { return m_artworkImageSrc; }
const RefPtr<Image>& artworkImage() const { return m_artworkImage; }
const MediaSessionMetadata& metadata() const { return m_metadata; }
#if ENABLE(MEDIA_SESSION_PLAYLIST)
const String& trackIdentifier() const { return m_metadata.trackIdentifier; }
void setTrackIdentifier(const String&);
#endif
private:
struct Pair {
float score;
String src;
};
MediaMetadata();
void setArtworkImage(Image*);
void metadataUpdated();
void refreshArtworkImage();
void tryNextArtworkImage(uint32_t, Vector<Pair>&&);
static constexpr int s_minimumSize = 128;
static constexpr int s_idealSize = 512;
WeakPtr<MediaSession> m_session;
MediaSessionMetadata m_metadata;
RefPtr<ArtworkImageLoader> m_artworkLoader;
String m_artworkImageSrc;
RefPtr<Image> m_artworkImage;
Vector<URL> m_defaultImages;
};
}
#endif
|
