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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// Copyright (c) 2011 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.
//
// An implementation of SyncNotifier that wraps an invalidation
// client. Handles the details of connecting to XMPP and hooking it
// up to the invalidation client.
//
// You probably don't want to use this directly; use
// NonBlockingInvalidationNotifier.
#ifndef CHROME_BROWSER_SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_
#define CHROME_BROWSER_SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "base/threading/non_thread_safe.h"
#include "chrome/browser/sync/notifier/chrome_invalidation_client.h"
#include "chrome/browser/sync/notifier/state_writer.h"
#include "chrome/browser/sync/notifier/sync_notifier.h"
#include "chrome/browser/sync/syncable/model_type.h"
#include "jingle/notifier/base/notifier_options.h"
#include "jingle/notifier/communicator/login.h"
#include "net/base/cert_verifier.h"
namespace net {
class HostResolver;
class CertVerifier;
} // namespace net
namespace sync_notifier {
class InvalidationNotifier
: public SyncNotifier,
public notifier::LoginDelegate,
public ChromeInvalidationClient::Listener,
public StateWriter {
public:
// Does not take ownership of |host_resolver| or |cert_verifier|.
InvalidationNotifier(
const notifier::NotifierOptions& notifier_options,
net::HostResolver* host_resolver,
net::CertVerifier* cert_verifier,
const std::string& client_info);
virtual ~InvalidationNotifier();
// SyncNotifier implementation.
virtual void AddObserver(SyncNotifierObserver* observer);
virtual void RemoveObserver(SyncNotifierObserver* observer);
virtual void SetState(const std::string& state);
virtual void UpdateCredentials(
const std::string& email, const std::string& token);
virtual void UpdateEnabledTypes(const syncable::ModelTypeSet& types);
virtual void SendNotification();
// notifier::LoginDelegate implementation.
virtual void OnConnect(base::WeakPtr<talk_base::Task> base_task);
virtual void OnDisconnect();
// ChromeInvalidationClient::Listener implementation.
virtual void OnInvalidate(syncable::ModelType model_type,
const std::string& payload);
virtual void OnInvalidateAll();
// StateWriter implementation.
virtual void WriteState(const std::string& state);
private:
void EmitInvalidation(const syncable::ModelTypeSet& types,
const std::string& payload);
base::NonThreadSafe non_thread_safe_;
// We start off in the STOPPED state. When we get our initial
// credentials, we connect and move to the CONNECTING state. When
// we're connected we start the invalidation client and move to the
// STARTED state. We never go back to a previous state.
enum State {
STOPPED,
CONNECTING,
STARTED
};
State state_;
// Used to build parameters for |login_|.
const notifier::NotifierOptions notifier_options_;
net::HostResolver* const host_resolver_;
net::CertVerifier* const cert_verifier_;
// Passed to |invalidation_client_|.
const std::string client_info_;
// Our observers (which must live on the same thread).
ObserverList<SyncNotifierObserver> observers_;
// The state to pass to |chrome_invalidation_client_|.
std::string invalidation_state_;
// The XMPP connection manager.
scoped_ptr<notifier::Login> login_;
// The invalidation client.
ChromeInvalidationClient invalidation_client_;
// Passed to |invalidation_client_| and also used to synthesize
// notifications by OnInvalidateAll().
syncable::ModelTypeSet enabled_types_;
DISALLOW_COPY_AND_ASSIGN(InvalidationNotifier);
};
} // namespace sync_notifier
#endif // CHROME_BROWSER_SYNC_NOTIFIER_INVALIDATION_NOTIFIER_H_
|
