blob: 0c1bc79615a3fa6663bb780b70abe60a54a2aef5 (
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
63
64
65
|
// 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 REMOTING_CLIENT_PLUGIN_PEPPER_XMPP_PROXY_H_
#define REMOTING_CLIENT_PLUGIN_PEPPER_XMPP_PROXY_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "remoting/jingle_glue/xmpp_proxy.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace remoting {
class PepperXmppProxy : public XmppProxy {
public:
typedef base::Callback<void(const std::string&)> SendIqCallback;
// |plugin_task_runner| is the thread on which |send_iq_callback| is
// called. Normally the callback will call JavaScript, so this has
// to be the task runner that corresponds to the plugin
// thread. |callback_task_runner| is used to call the callback
// registered with AttachCallback().
PepperXmppProxy(
const SendIqCallback& send_iq_callback,
base::SingleThreadTaskRunner* plugin_task_runner,
base::SingleThreadTaskRunner* callback_task_runner);
// Registered the callback class with this object.
//
// - This method has subtle thread semantics! -
//
// It must be called on the callback thread itself. The weak pointer also
// must be constructed on the callback thread. That means, you cannot just
// create a WeakPtr on, say the pepper thread, and then pass execution of
// this function callback with the weak pointer bound as a parameter. That
// will fail because the WeakPtr will have been created on the wrong thread.
virtual void AttachCallback(
base::WeakPtr<ResponseCallback> callback) OVERRIDE;
virtual void DetachCallback() OVERRIDE;
virtual void SendIq(const std::string& request_xml) OVERRIDE;
virtual void OnIq(const std::string& response_xml);
private:
virtual ~PepperXmppProxy();
SendIqCallback send_iq_callback_;
scoped_refptr<base::SingleThreadTaskRunner> plugin_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> callback_task_runner_;
// Must only be access on callback_message_loop_.
base::WeakPtr<ResponseCallback> callback_;
DISALLOW_COPY_AND_ASSIGN(PepperXmppProxy);
};
} // namespace remoting
#endif // REMOTING_CLIENT_PLUGIN_PEPPER_XMPP_PROXY_H_
|
