privet_notifications.cc revision effb81e5f8246d0db0270817048dc992db66e9fb
1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/browser/local_discovery/privet_notifications.h" 6 7#include "base/bind.h" 8#include "base/command_line.h" 9#include "base/message_loop/message_loop.h" 10#include "base/metrics/histogram.h" 11#include "base/prefs/pref_service.h" 12#include "base/rand_util.h" 13#include "base/strings/utf_string_conversions.h" 14#include "chrome/browser/browser_process.h" 15#include "chrome/browser/local_discovery/privet_device_lister_impl.h" 16#include "chrome/browser/local_discovery/privet_http_asynchronous_factory.h" 17#include "chrome/browser/local_discovery/service_discovery_shared_client.h" 18#include "chrome/browser/notifications/notification.h" 19#include "chrome/browser/notifications/notification_ui_manager.h" 20#include "chrome/browser/profiles/profile.h" 21#include "chrome/browser/signin/signin_manager_factory.h" 22#include "chrome/browser/ui/browser.h" 23#include "chrome/browser/ui/browser_finder.h" 24#include "chrome/browser/ui/browser_window.h" 25#include "chrome/browser/ui/host_desktop.h" 26#include "chrome/browser/ui/tabs/tab_strip_model.h" 27#include "chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.h" 28#include "chrome/common/chrome_switches.h" 29#include "chrome/common/pref_names.h" 30#include "components/signin/core/browser/signin_manager_base.h" 31#include "content/public/browser/browser_context.h" 32#include "content/public/browser/navigation_controller.h" 33#include "content/public/browser/web_contents.h" 34#include "content/public/common/page_transition_types.h" 35#include "grit/generated_resources.h" 36#include "grit/theme_resources.h" 37#include "ui/base/l10n/l10n_util.h" 38#include "ui/base/resource/resource_bundle.h" 39#include "ui/message_center/message_center_util.h" 40#include "ui/message_center/notifier_settings.h" 41 42#if defined(ENABLE_MDNS) 43#include "chrome/browser/local_discovery/privet_traffic_detector.h" 44#endif 45 46namespace local_discovery { 47 48namespace { 49 50const int kTenMinutesInSeconds = 600; 51const char kPrivetInfoKeyUptime[] = "uptime"; 52const char kPrivetNotificationID[] = "privet_notification"; 53const char kPrivetNotificationOriginUrl[] = "chrome://devices"; 54const int kStartDelaySeconds = 5; 55 56enum PrivetNotificationsEvent { 57 PRIVET_SERVICE_STARTED, 58 PRIVET_LISTER_STARTED, 59 PRIVET_DEVICE_CHANGED, 60 PRIVET_INFO_DONE, 61 PRIVET_NOTIFICATION_SHOWN, 62 PRIVET_NOTIFICATION_CANCELED, 63 PRIVET_NOTIFICATION_CLICKED, 64 PRIVET_DISABLE_NOTIFICATIONS_CLICKED, 65 PRIVET_EVENT_MAX, 66}; 67 68void ReportPrivetUmaEvent(PrivetNotificationsEvent privet_event) { 69 UMA_HISTOGRAM_ENUMERATION("LocalDiscovery.PrivetNotificationsEvent", 70 privet_event, PRIVET_EVENT_MAX); 71} 72 73} // namespace 74 75PrivetNotificationsListener::PrivetNotificationsListener( 76 scoped_ptr<PrivetHTTPAsynchronousFactory> privet_http_factory, 77 Delegate* delegate) : delegate_(delegate), devices_active_(0) { 78 privet_http_factory_.swap(privet_http_factory); 79} 80 81PrivetNotificationsListener::~PrivetNotificationsListener() { 82} 83 84void PrivetNotificationsListener::DeviceChanged( 85 bool added, 86 const std::string& name, 87 const DeviceDescription& description) { 88 ReportPrivetUmaEvent(PRIVET_DEVICE_CHANGED); 89 DeviceContextMap::iterator found = devices_seen_.find(name); 90 if (found != devices_seen_.end()) { 91 if (!description.id.empty() && // Device is registered 92 found->second->notification_may_be_active) { 93 found->second->notification_may_be_active = false; 94 NotifyDeviceRemoved(); 95 } 96 return; // Already saw this device. 97 } 98 99 linked_ptr<DeviceContext> device_context(new DeviceContext); 100 101 device_context->notification_may_be_active = false; 102 device_context->registered = !description.id.empty(); 103 104 devices_seen_.insert(make_pair(name, device_context)); 105 106 if (!device_context->registered) { 107 device_context->privet_http_resolution = 108 privet_http_factory_->CreatePrivetHTTP( 109 name, 110 description.address, 111 base::Bind(&PrivetNotificationsListener::CreateInfoOperation, 112 base::Unretained(this))); 113 114 device_context->privet_http_resolution->Start(); 115 } 116} 117 118void PrivetNotificationsListener::CreateInfoOperation( 119 scoped_ptr<PrivetHTTPClient> http_client) { 120 std::string name = http_client->GetName(); 121 DeviceContextMap::iterator device_iter = devices_seen_.find(name); 122 DCHECK(device_iter != devices_seen_.end()); 123 DeviceContext* device = device_iter->second.get(); 124 device->privet_http.swap(http_client); 125 device->info_operation = device->privet_http->CreateInfoOperation( 126 base::Bind(&PrivetNotificationsListener::OnPrivetInfoDone, 127 base::Unretained(this), 128 device)); 129 device->info_operation->Start(); 130} 131 132void PrivetNotificationsListener::OnPrivetInfoDone( 133 DeviceContext* device, 134 const base::DictionaryValue* json_value) { 135 int uptime; 136 137 if (!json_value || 138 !json_value->GetInteger(kPrivetInfoKeyUptime, &uptime) || 139 uptime > kTenMinutesInSeconds) { 140 return; 141 } 142 143 DCHECK(!device->notification_may_be_active); 144 device->notification_may_be_active = true; 145 devices_active_++; 146 delegate_->PrivetNotify(devices_active_ > 1, true); 147} 148 149void PrivetNotificationsListener::DeviceRemoved(const std::string& name) { 150 DCHECK_EQ(1u, devices_seen_.count(name)); 151 DeviceContextMap::iterator device_iter = devices_seen_.find(name); 152 DCHECK(device_iter != devices_seen_.end()); 153 DeviceContext* device = device_iter->second.get(); 154 155 device->info_operation.reset(); 156 device->privet_http_resolution.reset(); 157 device->notification_may_be_active = false; 158 NotifyDeviceRemoved(); 159} 160 161void PrivetNotificationsListener::DeviceCacheFlushed() { 162 for (DeviceContextMap::iterator i = devices_seen_.begin(); 163 i != devices_seen_.end(); ++i) { 164 DeviceContext* device = i->second.get(); 165 166 device->info_operation.reset(); 167 device->privet_http_resolution.reset(); 168 if (device->notification_may_be_active) { 169 device->notification_may_be_active = false; 170 } 171 } 172 173 devices_active_ = 0; 174 delegate_->PrivetRemoveNotification(); 175} 176 177void PrivetNotificationsListener::NotifyDeviceRemoved() { 178 devices_active_--; 179 if (devices_active_ == 0) { 180 delegate_->PrivetRemoveNotification(); 181 } else { 182 delegate_->PrivetNotify(devices_active_ > 1, false); 183 } 184} 185 186PrivetNotificationsListener::DeviceContext::DeviceContext() { 187} 188 189PrivetNotificationsListener::DeviceContext::~DeviceContext() { 190} 191 192PrivetNotificationService::PrivetNotificationService( 193 content::BrowserContext* profile) 194 : profile_(profile) { 195 base::MessageLoop::current()->PostDelayedTask( 196 FROM_HERE, 197 base::Bind(&PrivetNotificationService::Start, AsWeakPtr()), 198 base::TimeDelta::FromSeconds(kStartDelaySeconds + 199 base::RandInt(0, kStartDelaySeconds/4))); 200} 201 202PrivetNotificationService::~PrivetNotificationService() { 203} 204 205void PrivetNotificationService::DeviceChanged( 206 bool added, 207 const std::string& name, 208 const DeviceDescription& description) { 209 privet_notifications_listener_->DeviceChanged(added, name, description); 210} 211 212void PrivetNotificationService::DeviceRemoved(const std::string& name) { 213 privet_notifications_listener_->DeviceRemoved(name); 214} 215 216void PrivetNotificationService::DeviceCacheFlushed() { 217 privet_notifications_listener_->DeviceCacheFlushed(); 218} 219 220// static 221bool PrivetNotificationService::IsEnabled() { 222 CommandLine* command_line = CommandLine::ForCurrentProcess(); 223 return !command_line->HasSwitch(switches::kDisableDeviceDiscovery) && 224 !command_line->HasSwitch( 225 switches::kDisableDeviceDiscoveryNotifications) && 226 message_center::IsRichNotificationEnabled(); 227} 228 229// static 230bool PrivetNotificationService::IsForced() { 231 CommandLine* command_line = CommandLine::ForCurrentProcess(); 232 return command_line->HasSwitch(switches::kEnableDeviceDiscoveryNotifications); 233} 234 235void PrivetNotificationService::PrivetNotify(bool has_multiple, 236 bool added) { 237 base::string16 product_name = l10n_util::GetStringUTF16( 238 IDS_LOCAL_DISOCVERY_SERVICE_NAME_PRINTER); 239 240 int title_resource = has_multiple ? 241 IDS_LOCAL_DISOCVERY_NOTIFICATION_TITLE_PRINTER_MULTIPLE : 242 IDS_LOCAL_DISOCVERY_NOTIFICATION_TITLE_PRINTER; 243 244 int body_resource = has_multiple ? 245 IDS_LOCAL_DISOCVERY_NOTIFICATION_CONTENTS_PRINTER_MULTIPLE : 246 IDS_LOCAL_DISOCVERY_NOTIFICATION_CONTENTS_PRINTER; 247 248 base::string16 title = l10n_util::GetStringUTF16(title_resource); 249 base::string16 body = l10n_util::GetStringUTF16(body_resource); 250 251 Profile* profile_object = Profile::FromBrowserContext(profile_); 252 message_center::RichNotificationData rich_notification_data; 253 254 rich_notification_data.buttons.push_back( 255 message_center::ButtonInfo(l10n_util::GetStringUTF16( 256 IDS_LOCAL_DISOCVERY_NOTIFICATION_BUTTON_PRINTER))); 257 258 rich_notification_data.buttons.push_back( 259 message_center::ButtonInfo(l10n_util::GetStringUTF16( 260 IDS_LOCAL_DISCOVERY_NOTIFICATIONS_DISABLE_BUTTON_LABEL))); 261 262 Notification notification( 263 message_center::NOTIFICATION_TYPE_SIMPLE, 264 GURL(kPrivetNotificationOriginUrl), 265 title, 266 body, 267 ui::ResourceBundle::GetSharedInstance().GetImageNamed( 268 IDR_LOCAL_DISCOVERY_CLOUDPRINT_ICON), 269 blink::WebTextDirectionDefault, 270 message_center::NotifierId(GURL(kPrivetNotificationOriginUrl)), 271 product_name, 272 base::UTF8ToUTF16(kPrivetNotificationID), 273 rich_notification_data, 274 new PrivetNotificationDelegate(profile_)); 275 276 bool updated = g_browser_process->notification_ui_manager()->Update( 277 notification, profile_object); 278 if (!updated && added && !LocalDiscoveryUIHandler::GetHasVisible()) { 279 ReportPrivetUmaEvent(PRIVET_NOTIFICATION_SHOWN); 280 g_browser_process->notification_ui_manager()->Add(notification, 281 profile_object); 282 } 283} 284 285void PrivetNotificationService::PrivetRemoveNotification() { 286 ReportPrivetUmaEvent(PRIVET_NOTIFICATION_CANCELED); 287 g_browser_process->notification_ui_manager()->CancelById( 288 kPrivetNotificationID); 289} 290 291void PrivetNotificationService::Start() { 292#if defined(CHROMEOS) 293 SigninManagerBase* signin_manager = 294 SigninManagerFactory::GetForProfileIfExists( 295 Profile::FromBrowserContext(profile_)); 296 297 if (!signin_manager || signin_manager->GetAuthenticatedUsername().empty()) 298 return; 299#endif 300 301 enable_privet_notification_member_.Init( 302 prefs::kLocalDiscoveryNotificationsEnabled, 303 Profile::FromBrowserContext(profile_)->GetPrefs(), 304 base::Bind(&PrivetNotificationService::OnNotificationsEnabledChanged, 305 base::Unretained(this))); 306 OnNotificationsEnabledChanged(); 307} 308 309void PrivetNotificationService::OnNotificationsEnabledChanged() { 310#if defined(ENABLE_MDNS) 311 if (IsForced()) { 312 StartLister(); 313 } else if (*enable_privet_notification_member_) { 314 ReportPrivetUmaEvent(PRIVET_SERVICE_STARTED); 315 traffic_detector_ = 316 new PrivetTrafficDetector( 317 net::ADDRESS_FAMILY_IPV4, 318 base::Bind(&PrivetNotificationService::StartLister, AsWeakPtr())); 319 traffic_detector_->Start(); 320 } else { 321 traffic_detector_ = NULL; 322 device_lister_.reset(); 323 service_discovery_client_ = NULL; 324 privet_notifications_listener_.reset(); 325 } 326#else 327 if (IsForced() || *enable_privet_notification_member_) { 328 StartLister(); 329 } else { 330 device_lister_.reset(); 331 service_discovery_client_ = NULL; 332 privet_notifications_listener_.reset(); 333 } 334#endif 335} 336 337void PrivetNotificationService::StartLister() { 338 ReportPrivetUmaEvent(PRIVET_LISTER_STARTED); 339#if defined(ENABLE_MDNS) 340 traffic_detector_ = NULL; 341#endif // ENABLE_MDNS 342 service_discovery_client_ = ServiceDiscoverySharedClient::GetInstance(); 343 device_lister_.reset(new PrivetDeviceListerImpl(service_discovery_client_, 344 this)); 345 device_lister_->Start(); 346 device_lister_->DiscoverNewDevices(false); 347 348 scoped_ptr<PrivetHTTPAsynchronousFactory> http_factory( 349 PrivetHTTPAsynchronousFactory::CreateInstance( 350 service_discovery_client_.get(), profile_->GetRequestContext())); 351 352 privet_notifications_listener_.reset(new PrivetNotificationsListener( 353 http_factory.Pass(), this)); 354} 355 356PrivetNotificationDelegate::PrivetNotificationDelegate( 357 content::BrowserContext* profile) 358 : profile_(profile) { 359} 360 361PrivetNotificationDelegate::~PrivetNotificationDelegate() { 362} 363 364std::string PrivetNotificationDelegate::id() const { 365 return kPrivetNotificationID; 366} 367 368content::RenderViewHost* PrivetNotificationDelegate::GetRenderViewHost() const { 369 return NULL; 370} 371 372void PrivetNotificationDelegate::Display() { 373} 374 375void PrivetNotificationDelegate::Error() { 376 LOG(ERROR) << "Error displaying privet notification"; 377} 378 379void PrivetNotificationDelegate::Close(bool by_user) { 380} 381 382void PrivetNotificationDelegate::Click() { 383} 384 385void PrivetNotificationDelegate::ButtonClick(int button_index) { 386 if (button_index == 0) { 387 ReportPrivetUmaEvent(PRIVET_NOTIFICATION_CLICKED); 388 OpenTab(GURL(kPrivetNotificationOriginUrl)); 389 } else if (button_index == 1) { 390 ReportPrivetUmaEvent(PRIVET_DISABLE_NOTIFICATIONS_CLICKED); 391 DisableNotifications(); 392 } 393} 394 395void PrivetNotificationDelegate::OpenTab(const GURL& url) { 396 Profile* profile_obj = Profile::FromBrowserContext(profile_); 397 398 chrome::NavigateParams params(profile_obj, 399 url, 400 content::PAGE_TRANSITION_AUTO_TOPLEVEL); 401 params.disposition = NEW_FOREGROUND_TAB; 402 chrome::Navigate(¶ms); 403} 404 405void PrivetNotificationDelegate::DisableNotifications() { 406 Profile* profile_obj = Profile::FromBrowserContext(profile_); 407 408 profile_obj->GetPrefs()->SetBoolean( 409 prefs::kLocalDiscoveryNotificationsEnabled, 410 false); 411} 412 413} // namespace local_discovery 414