blob: f7d981aeee35786d639fa4f3c4e3540288f144ed (
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
|
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_PUBLIC_COMMON_MESSAGE_PORT_CLONEABLE_MESSAGE_H_
#define THIRD_PARTY_BLINK_PUBLIC_COMMON_MESSAGE_PORT_CLONEABLE_MESSAGE_H_
#include <vector>
#include "base/containers/span.h"
#include "base/macros.h"
#include "mojo/public/cpp/bindings/struct_ptr.h"
#include "third_party/blink/common/common_export.h"
#include "third_party/blink/public/mojom/blob/serialized_blob.mojom.h"
namespace blink {
// This struct represents messages as they are posted over a broadcast channel.
// This type can be serialized as a blink::mojom::CloneableMessage struct.
struct BLINK_COMMON_EXPORT CloneableMessage {
CloneableMessage();
CloneableMessage(CloneableMessage&&);
CloneableMessage& operator=(CloneableMessage&&);
~CloneableMessage();
// Returns a shallow clone of this message. |encoded_message| in the clone
// will point to the same memory as |encoded_message| in this.
CloneableMessage ShallowClone() const;
// To reduce copies when serializing |encoded_message| does not have to point
// to |owned_encoded_message|. The serialization code completely ignores the
// |owned_encoded_message| and just serializes whatever |encoded_message|
// points to. When deserializing |owned_encoded_message| is set to the data
// and |encoded_message| is set to point to |owned_encoded_message|.
base::span<const uint8_t> encoded_message;
std::vector<uint8_t> owned_encoded_message;
// Copies data into owned_encoded_message if it's not already there.
void EnsureDataIsOwned();
// Blob handles for any blobs being sent in this message.
std::vector<mojom::SerializedBlobPtr> blobs;
// Stack trace captured by sender.
// For more details see v8_inspector::V8StackTraceId.
uint64_t stack_trace_id = 0;
int64_t stack_trace_debugger_id_first = 0;
int64_t stack_trace_debugger_id_second = 0;
private:
DISALLOW_COPY_AND_ASSIGN(CloneableMessage);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_PUBLIC_COMMON_MESSAGE_PORT_CLONEABLE_MESSAGE_H_
|
