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
|
// Copyright 2022 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_MEDIASOURCE_MEDIA_SOURCE_HANDLE_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASOURCE_MEDIA_SOURCE_HANDLE_IMPL_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/html/media/media_source_attachment.h"
#include "third_party/blink/renderer/core/html/media/media_source_handle.h"
#include "third_party/blink/renderer/modules/mediasource/handle_attachment_provider.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class MediaSourceHandleImpl final : public ScriptWrappable,
public MediaSourceHandle {
DEFINE_WRAPPERTYPEINFO();
public:
explicit MediaSourceHandleImpl(
scoped_refptr<HandleAttachmentProvider> attachment_provider,
String internal_blob_url);
~MediaSourceHandleImpl() override;
scoped_refptr<HandleAttachmentProvider> TakeAttachmentProvider();
scoped_refptr<MediaSourceAttachment> TakeAttachment() override;
String GetInternalBlobURL() override;
// Occurs during serialization, and prevents further serialization success.
void mark_serialized();
// Occurs during transfer finalization, and prevents further transfer attempt.
// Note, this is needed because an app may transfer without serialization,
// e.g. postMessage(null, [handle]), and this must prevent successful transfer
// again of the same handle instance, even though the way the message was
// posted prevents successful serialization and deserialization of the handle.
// This also prevents successful use of the handle instance for attachment.
void mark_detached();
bool is_detached() const { return detached_; }
void Trace(Visitor*) const override;
private:
scoped_refptr<HandleAttachmentProvider> attachment_provider_;
String internal_blob_url_;
bool detached_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASOURCE_MEDIA_SOURCE_HANDLE_IMPL_H_
|
