blob: 52c96b43c20f6ce18f31b5b4e80c2c4fc1779e45 (
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright (c) 2010 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.
#include "chrome/browser/chromeos/network_state_notifier.h"
#include "base/message_loop.h"
#include "base/time.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_type.h"
namespace chromeos {
using base::Time;
using base::TimeDelta;
// static
NetworkStateNotifier* NetworkStateNotifier::Get() {
return Singleton<NetworkStateNotifier>::get();
}
// static
TimeDelta NetworkStateNotifier::GetOfflineDuration() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
// TODO(oshima): make this instance method so that
// we can mock this for ui_tests.
// http://crbug.com/4825 .
return base::Time::Now() - Get()->offline_start_time_;
}
NetworkStateNotifier::NetworkStateNotifier()
: ALLOW_THIS_IN_INITIALIZER_LIST(task_factory_(this)),
state_(RetrieveState()),
offline_start_time_(Time::Now()) {
}
void NetworkStateNotifier::NetworkChanged(NetworkLibrary* cros) {
DCHECK(CrosLibrary::Get()->EnsureLoaded());
// Update the state 2 seconds later using UI thread.
// See http://crosbug.com/4558
ChromeThread::PostDelayedTask(
ChromeThread::UI, FROM_HERE,
task_factory_.NewRunnableMethod(
&NetworkStateNotifier::UpdateNetworkState,
RetrieveState()),
2000);
}
void NetworkStateNotifier::UpdateNetworkState(
NetworkStateDetails::State new_state) {
DLOG(INFO) << "UpdateNetworkState: new="
<< new_state << ", old=" << state_;
if (state_ == NetworkStateDetails::CONNECTED &&
new_state != NetworkStateDetails::CONNECTED) {
offline_start_time_ = Time::Now();
}
state_ = new_state;
NetworkStateDetails details(state_);
NotificationService::current()->Notify(
NotificationType::NETWORK_STATE_CHANGED,
NotificationService::AllSources(),
Details<NetworkStateDetails>(&details));
};
// static
NetworkStateDetails::State NetworkStateNotifier::RetrieveState() {
// Running on desktop means always connected, for now.
if (!CrosLibrary::Get()->EnsureLoaded())
return NetworkStateDetails::CONNECTED;
NetworkLibrary* cros = CrosLibrary::Get()->GetNetworkLibrary();
if (cros->Connected()) {
return NetworkStateDetails::CONNECTED;
} else if (cros->Connecting()) {
return NetworkStateDetails::CONNECTING;
} else {
return NetworkStateDetails::DISCONNECTED;
}
}
} // namespace chromeos
|
