blob: 8a725de00b59e8ded8c0248fe5da45cdb75912f8 (
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
|
// Copyright 2014 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 CONTENT_PUBLIC_BROWSER_MESSAGE_PORT_PROVIDER_H_
#define CONTENT_PUBLIC_BROWSER_MESSAGE_PORT_PROVIDER_H_
#include <vector>
#include "base/basictypes.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "content/common/content_export.h"
namespace content {
class MessagePortDelegate;
class WebContents;
// An interface consisting of methods that can be called to use Message ports.
class CONTENT_EXPORT MessagePortProvider {
public:
// Posts a MessageEvent to the main frame using the given source and target
// origins and data. The caller may also provide any message port ids as
// part of the message.
// See https://html.spec.whatwg.org/multipage/comms.html#messageevent for
// further information on message events.
// Should be called on UI thread.
static void PostMessageToFrame(WebContents* web_contents,
const base::string16& source_origin,
const base::string16& target_origin,
const base::string16& data,
const std::vector<int>& ports);
// Creates a message channel and provide the ids of the message ports that are
// associated with this message channel.
// See https://html.spec.whatwg.org/multipage/comms.html#messagechannel
// Should be called on IO thread.
// The message ports that are created will have their routing id numbers equal
// to the message port numbers.
static void CreateMessageChannel(MessagePortDelegate* delegate,
int* port1,
int* port2);
// Posts a MessageEvent to a message port associated with a message channel.
static void PostMessageToPort(int sender_port_id,
const base::string16& data,
const std::vector<int>& sent_ports);
// Close the message port. Should be called on IO thread.
static void ClosePort(int message_port_id);
// Cleanup the message ports that belong to the closing delegate.
static void OnMessagePortDelegateClosing(MessagePortDelegate * delegate);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePortProvider);
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_MESSAGE_PORT_PROVIDER_H_
|
