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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// 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.
//
// A notifier that uses p2p notifications based on XMPP push
// notifications. Used only for sync integration tests.
#ifndef SYNC_NOTIFIER_P2P_NOTIFIER_H_
#define SYNC_NOTIFIER_P2P_NOTIFIER_H_
#include <string>
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/threading/non_thread_safe.h"
#include "jingle/notifier/listener/push_client_observer.h"
#include "sync/internal_api/public/syncable/model_type.h"
#include "sync/notifier/sync_notifier.h"
namespace notifier {
class PushClient;
} // namespace notifier
namespace sync_notifier {
// The channel to use for sync notifications.
extern const char* kSyncP2PNotificationChannel;
// The intended recipient(s) of a P2P notification.
enum P2PNotificationTarget {
NOTIFY_SELF,
FIRST_NOTIFICATION_TARGET = NOTIFY_SELF,
NOTIFY_OTHERS,
NOTIFY_ALL,
LAST_NOTIFICATION_TARGET = NOTIFY_ALL
};
std::string P2PNotificationTargetToString(
P2PNotificationTarget target);
// If |target_str| can't be parsed, assumes NOTIFY_SELF.
P2PNotificationTarget P2PNotificationTargetFromString(
const std::string& target_str);
// Helper notification data class that can be serialized to and
// deserialized from a string.
class P2PNotificationData {
public:
// Initializes with an empty sender ID, target set to NOTIFY_SELF,
// and empty changed types.
P2PNotificationData();
P2PNotificationData(const std::string& sender_id,
P2PNotificationTarget target,
syncable::ModelTypeSet changed_types);
~P2PNotificationData();
// Returns true if the given ID is targeted by this notification.
bool IsTargeted(const std::string& id) const;
syncable::ModelTypeSet GetChangedTypes() const;
bool Equals(const P2PNotificationData& other) const;
std::string ToString() const;
// Returns whether parsing |str| was successful. If parsing was
// unsuccessful, the state of the notification is undefined.
bool ResetFromString(const std::string& str);
private:
// The unique ID of the client that sent the notification.
std::string sender_id_;
// The intendent recipient(s) of the notification.
P2PNotificationTarget target_;
// The types the notification is for.
syncable::ModelTypeSet changed_types_;
};
class P2PNotifier
: public SyncNotifier,
public notifier::PushClientObserver {
public:
// The |send_notification_target| parameter was added to allow us to send
// self-notifications in some cases, but not others. The value should be
// either NOTIFY_ALL to send notifications to all clients, or NOTIFY_OTHERS
// to send notifications to all clients except for the one that triggered the
// notification. See crbug.com/97780.
P2PNotifier(scoped_ptr<notifier::PushClient> push_client,
P2PNotificationTarget send_notification_target);
virtual ~P2PNotifier();
// SyncNotifier implementation
virtual void AddObserver(SyncNotifierObserver* observer) OVERRIDE;
virtual void RemoveObserver(SyncNotifierObserver* observer) OVERRIDE;
virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
virtual void SetStateDeprecated(const std::string& state) OVERRIDE;
virtual void UpdateCredentials(
const std::string& email, const std::string& token) OVERRIDE;
virtual void UpdateEnabledTypes(
syncable::ModelTypeSet enabled_types) OVERRIDE;
virtual void SendNotification(
syncable::ModelTypeSet changed_types) OVERRIDE;
// PushClientObserver implementation.
virtual void OnNotificationStateChange(bool notifications_enabled) OVERRIDE;
virtual void OnIncomingNotification(
const notifier::Notification& notification) OVERRIDE;
void SendNotificationDataForTest(
const P2PNotificationData& notification_data);
private:
void SendNotificationData(const P2PNotificationData& notification_data);
base::NonThreadSafe non_thread_safe_;
ObserverList<SyncNotifierObserver> observer_list_;
// The push client.
scoped_ptr<notifier::PushClient> push_client_;
// Our unique ID.
std::string unique_id_;
// Whether we have called UpdateCredentials() yet.
bool logged_in_;
// Whether |push_client_| has notified us that notifications are
// enabled.
bool notifications_enabled_;
// Which set of clients should be sent notifications.
P2PNotificationTarget send_notification_target_;
syncable::ModelTypeSet enabled_types_;
};
} // namespace sync_notifier
#endif // SYNC_NOTIFIER_P2P_NOTIFIER_H_
|