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
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_HTML_MEDIA_ELEMENT_ENCRYPTED_MEDIA_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_HTML_MEDIA_ELEMENT_ENCRYPTED_MEDIA_H_
#include "third_party/blink/public/platform/web_media_player_encrypted_media_client.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/event_type_names.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace media {
enum class EmeInitDataType;
}
namespace blink {
class ExceptionState;
class HTMLMediaElement;
class MediaKeys;
class ScriptState;
class WebContentDecryptionModule;
class MODULES_EXPORT HTMLMediaElementEncryptedMedia final
: public GarbageCollected<HTMLMediaElementEncryptedMedia>,
public Supplement<HTMLMediaElement>,
public WebMediaPlayerEncryptedMediaClient {
public:
static const char kSupplementName[];
static MediaKeys* mediaKeys(HTMLMediaElement&);
static ScriptPromise<IDLUndefined> setMediaKeys(ScriptState*,
HTMLMediaElement&,
MediaKeys*,
ExceptionState&);
DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(encrypted, kEncrypted)
DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(waitingforkey, kWaitingforkey)
// WebMediaPlayerEncryptedMediaClient methods
void Encrypted(media::EmeInitDataType init_data_type,
const unsigned char* init_data,
unsigned init_data_length) final;
void DidBlockPlaybackWaitingForKey() final;
void DidResumePlaybackBlockedForKey() final;
WebContentDecryptionModule* ContentDecryptionModule();
static HTMLMediaElementEncryptedMedia& From(HTMLMediaElement&);
HTMLMediaElementEncryptedMedia(HTMLMediaElement&);
~HTMLMediaElementEncryptedMedia();
void Trace(Visitor*) const override;
private:
friend class SetMediaKeysHandler;
// EventTarget
bool SetAttributeEventListener(const AtomicString& event_type,
EventListener*);
EventListener* GetAttributeEventListener(const AtomicString& event_type);
// Internal values specified by the EME spec:
// https://w3c.github.io/encrypted-media/#htmlmediaelement-extensions
// The following internal values are added to the HTMLMediaElement:
// - waiting for key, which shall have a boolean value
// - attaching media keys, which shall have a boolean value
bool is_waiting_for_key_;
bool is_attaching_media_keys_;
Member<MediaKeys> media_keys_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_HTML_MEDIA_ELEMENT_ENCRYPTED_MEDIA_H_
|
