blob: 320ccfb079921e47d33d2b1c89f353960aefe56f (
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
|
// Copyright (c) 2012 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 BASE_MESSAGE_LOOP_PROXY_H_
#define BASE_MESSAGE_LOOP_PROXY_H_
#pragma once
#include "base/base_export.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/single_thread_task_runner.h"
namespace base {
// This class provides a thread-safe refcounted interface to the Post* methods
// of a message loop. This class can outlive the target message loop.
// MessageLoopProxy objects are constructed automatically for all MessageLoops.
// So, to access them, you can use any of the following:
// Thread::message_loop_proxy()
// MessageLoop::current()->message_loop_proxy()
// MessageLoopProxy::current()
//
// TODO(akalin): Now that we have the *TaskRunner interfaces, we can
// merge this with MessageLoopProxyImpl.
class BASE_EXPORT MessageLoopProxy : public SingleThreadTaskRunner {
public:
// Gets the MessageLoopProxy for the current message loop, creating one if
// needed.
static scoped_refptr<MessageLoopProxy> current();
protected:
MessageLoopProxy();
virtual ~MessageLoopProxy();
};
} // namespace base
#endif // BASE_MESSAGE_LOOP_PROXY_H_
|
