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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
// 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.
#include "chrome/browser/extensions/api/dial/dial_api.h"
#include <vector>
#include "base/time/time.h"
#include "chrome/browser/extensions/api/dial/dial_api_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/dial.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_system.h"
using base::TimeDelta;
using content::BrowserThread;
namespace {
// How often to poll for devices.
const int kDialRefreshIntervalSecs = 120;
// We prune a device if it does not respond after this time.
const int kDialExpirationSecs = 240;
// The maximum number of devices retained at once in the registry.
const size_t kDialMaxDevices = 256;
} // namespace
namespace extensions {
namespace dial = api::dial;
DialAPI::DialAPI(Profile* profile)
: RefcountedKeyedService(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)),
profile_(profile) {
EventRouter::Get(profile)
->RegisterObserver(this, dial::OnDeviceList::kEventName);
}
DialAPI::~DialAPI() {}
DialRegistry* DialAPI::dial_registry() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (!dial_registry_.get()) {
dial_registry_.reset(new DialRegistry(this,
TimeDelta::FromSeconds(kDialRefreshIntervalSecs),
TimeDelta::FromSeconds(kDialExpirationSecs),
kDialMaxDevices));
}
return dial_registry_.get();
}
void DialAPI::OnListenerAdded(const EventListenerInfo& details) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DialAPI::NotifyListenerAddedOnIOThread, this));
}
void DialAPI::OnListenerRemoved(const EventListenerInfo& details) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DialAPI::NotifyListenerRemovedOnIOThread, this));
}
void DialAPI::NotifyListenerAddedOnIOThread() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
VLOG(2) << "DIAL device event listener added.";
dial_registry()->OnListenerAdded();
}
void DialAPI::NotifyListenerRemovedOnIOThread() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
VLOG(2) << "DIAL device event listener removed";
dial_registry()->OnListenerRemoved();
}
void DialAPI::OnDialDeviceEvent(const DialRegistry::DeviceList& devices) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&DialAPI::SendEventOnUIThread, this, devices));
}
void DialAPI::OnDialError(const DialRegistry::DialErrorCode code) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&DialAPI::SendErrorOnUIThread, this, code));
}
void DialAPI::SendEventOnUIThread(const DialRegistry::DeviceList& devices) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::vector<linked_ptr<api::dial::DialDevice> > args;
for (DialRegistry::DeviceList::const_iterator it = devices.begin();
it != devices.end(); ++it) {
linked_ptr<api::dial::DialDevice> api_device =
make_linked_ptr(new api::dial::DialDevice);
it->FillDialDevice(api_device.get());
args.push_back(api_device);
}
scoped_ptr<base::ListValue> results = api::dial::OnDeviceList::Create(args);
scoped_ptr<Event> event(
new Event(dial::OnDeviceList::kEventName, results.Pass()));
EventRouter::Get(profile_)->BroadcastEvent(event.Pass());
}
void DialAPI::SendErrorOnUIThread(const DialRegistry::DialErrorCode code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
api::dial::DialError dial_error;
switch (code) {
case DialRegistry::DIAL_NO_LISTENERS:
dial_error.code = api::dial::DIAL_ERROR_CODE_NO_LISTENERS;
break;
case DialRegistry::DIAL_NO_INTERFACES:
dial_error.code = api::dial::DIAL_ERROR_CODE_NO_VALID_NETWORK_INTERFACES;
break;
case DialRegistry::DIAL_CELLULAR_NETWORK:
dial_error.code = api::dial::DIAL_ERROR_CODE_CELLULAR_NETWORK;
break;
case DialRegistry::DIAL_NETWORK_DISCONNECTED:
dial_error.code = api::dial::DIAL_ERROR_CODE_NETWORK_DISCONNECTED;
break;
case DialRegistry::DIAL_SOCKET_ERROR:
dial_error.code = api::dial::DIAL_ERROR_CODE_SOCKET_ERROR;
break;
default:
dial_error.code = api::dial::DIAL_ERROR_CODE_UNKNOWN;
break;
}
scoped_ptr<base::ListValue> results = api::dial::OnError::Create(dial_error);
scoped_ptr<Event> event(new Event(dial::OnError::kEventName, results.Pass()));
EventRouter::Get(profile_)->BroadcastEvent(event.Pass());
}
void DialAPI::ShutdownOnUIThread() {}
namespace api {
DialDiscoverNowFunction::DialDiscoverNowFunction()
: dial_(NULL), result_(false) {
}
bool DialDiscoverNowFunction::Prepare() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(browser_context());
dial_ = DialAPIFactory::GetForBrowserContext(browser_context()).get();
return true;
}
void DialDiscoverNowFunction::Work() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
result_ = dial_->dial_registry()->DiscoverNow();
}
bool DialDiscoverNowFunction::Respond() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
SetResult(new base::FundamentalValue(result_));
return true;
}
} // namespace api
} // namespace extensions
|
