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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/extensions/event_router.h" | 5 #include "chrome/browser/extensions/event_router.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
11 #include "base/message_loop.h" | 11 #include "base/message_loop.h" |
12 #include "base/stl_util.h" | 12 #include "base/stl_util.h" |
13 #include "base/values.h" | 13 #include "base/values.h" |
14 #include "base/version.h" | 14 #include "base/version.h" |
15 #include "chrome/browser/browser_process.h" | 15 #include "chrome/browser/browser_process.h" |
16 #include "chrome/browser/extensions/activity_log.h" | |
16 #include "chrome/browser/extensions/api/runtime/runtime_api.h" | 17 #include "chrome/browser/extensions/api/runtime/runtime_api.h" |
17 #include "chrome/browser/extensions/api/web_request/web_request_api.h" | 18 #include "chrome/browser/extensions/api/web_request/web_request_api.h" |
18 #include "chrome/browser/extensions/event_names.h" | 19 #include "chrome/browser/extensions/event_names.h" |
19 #include "chrome/browser/extensions/extension_host.h" | 20 #include "chrome/browser/extensions/extension_host.h" |
20 #include "chrome/browser/extensions/extension_prefs.h" | 21 #include "chrome/browser/extensions/extension_prefs.h" |
21 #include "chrome/browser/extensions/extension_process_manager.h" | 22 #include "chrome/browser/extensions/extension_process_manager.h" |
22 #include "chrome/browser/extensions/extension_service.h" | 23 #include "chrome/browser/extensions/extension_service.h" |
23 #include "chrome/browser/extensions/extension_system.h" | 24 #include "chrome/browser/extensions/extension_system.h" |
24 #include "chrome/browser/extensions/lazy_background_task_queue.h" | 25 #include "chrome/browser/extensions/lazy_background_task_queue.h" |
25 #include "chrome/browser/extensions/process_map.h" | 26 #include "chrome/browser/extensions/process_map.h" |
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79 bool operator<(const ListenerProcess& that) const { | 80 bool operator<(const ListenerProcess& that) const { |
80 if (process < that.process) | 81 if (process < that.process) |
81 return true; | 82 return true; |
82 if (process == that.process && extension_id < that.extension_id) | 83 if (process == that.process && extension_id < that.extension_id) |
83 return true; | 84 return true; |
84 return false; | 85 return false; |
85 } | 86 } |
86 }; | 87 }; |
87 | 88 |
88 // static | 89 // static |
90 void EventRouter::LogExtensionEventMessage(Profile* profile, | |
91 const std::string& extension_id, | |
92 const std::string& event_name, | |
93 scoped_ptr<ListValue> event_args) { | |
94 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { | |
95 BrowserThread::PostTask(BrowserThread::UI, | |
96 FROM_HERE, | |
97 base::Bind(&LogExtensionEventMessage, | |
98 profile, | |
99 extension_id, | |
100 event_name, | |
101 Passed(event_args.Pass()))); | |
102 } else { | |
103 // An ExtensionService might not be running during unit tests, or an | |
104 // extension might have been unloaded by the time we get to logging it. In | |
105 // those cases log a warning. | |
106 ExtensionService* extension_service = | |
107 ExtensionSystem::Get(profile)->extension_service(); | |
108 if (!extension_service) { | |
109 LOG(WARNING) << "ExtensionService does not seem to be available " | |
110 << "(this may be normal for unit tests)"; | |
111 } else { | |
112 const Extension* extension = | |
113 extension_service->extensions()->GetByID(extension_id); | |
114 if (!extension) { | |
115 LOG(WARNING) << "Extension " << extension_id << " not found!"; | |
116 } else { | |
117 extensions::ActivityLog::GetInstance(profile)->LogEventAction( | |
118 extension, event_name, event_args.get(), ""); | |
119 } | |
120 } | |
121 } | |
122 } | |
123 | |
124 // static | |
89 void EventRouter::DispatchExtensionMessage(IPC::Sender* ipc_sender, | 125 void EventRouter::DispatchExtensionMessage(IPC::Sender* ipc_sender, |
126 Profile* profile, | |
90 const std::string& extension_id, | 127 const std::string& extension_id, |
91 const std::string& event_name, | 128 const std::string& event_name, |
92 ListValue* event_args, | 129 ListValue* event_args, |
93 const GURL& event_url, | 130 const GURL& event_url, |
94 UserGestureState user_gesture, | 131 UserGestureState user_gesture, |
95 const EventFilteringInfo& info) { | 132 const EventFilteringInfo& info) { |
133 LogExtensionEventMessage(profile, extension_id, event_name, | |
134 scoped_ptr<ListValue>(event_args->DeepCopy())); | |
Matt Perry
2013/01/25 21:24:17
Can we only do this copying if activity logging is
mvrable
2013/01/28 16:27:36
Done, if the updated code looks good to you.
| |
135 | |
96 ListValue args; | 136 ListValue args; |
97 args.Set(0, Value::CreateStringValue(event_name)); | 137 args.Set(0, Value::CreateStringValue(event_name)); |
98 args.Set(1, event_args); | 138 args.Set(1, event_args); |
99 args.Set(2, info.AsValue().release()); | 139 args.Set(2, info.AsValue().release()); |
100 ipc_sender->Send(new ExtensionMsg_MessageInvoke(MSG_ROUTING_CONTROL, | 140 ipc_sender->Send(new ExtensionMsg_MessageInvoke(MSG_ROUTING_CONTROL, |
101 extension_id, kDispatchEvent, args, event_url, | 141 extension_id, kDispatchEvent, args, event_url, |
102 user_gesture == USER_GESTURE_ENABLED)); | 142 user_gesture == USER_GESTURE_ENABLED)); |
103 | 143 |
104 // DispatchExtensionMessage does _not_ take ownership of event_args, so we | 144 // DispatchExtensionMessage does _not_ take ownership of event_args, so we |
105 // must ensure that the destruction of args does not attempt to free it. | 145 // must ensure that the destruction of args does not attempt to free it. |
106 Value* removed_event_args = NULL; | 146 Value* removed_event_args = NULL; |
107 args.Remove(1, &removed_event_args); | 147 args.Remove(1, &removed_event_args); |
108 } | 148 } |
109 | 149 |
110 // static | 150 // static |
111 void EventRouter::DispatchEvent(IPC::Sender* ipc_sender, | 151 void EventRouter::DispatchEvent(IPC::Sender* ipc_sender, |
152 Profile* profile, | |
112 const std::string& extension_id, | 153 const std::string& extension_id, |
113 const std::string& event_name, | 154 const std::string& event_name, |
114 scoped_ptr<ListValue> event_args, | 155 scoped_ptr<ListValue> event_args, |
115 const GURL& event_url, | 156 const GURL& event_url, |
116 UserGestureState user_gesture, | 157 UserGestureState user_gesture, |
117 const EventFilteringInfo& info) { | 158 const EventFilteringInfo& info) { |
118 DispatchExtensionMessage(ipc_sender, extension_id, event_name, | 159 DispatchExtensionMessage(ipc_sender, profile, extension_id, event_name, |
119 event_args.get(), event_url, user_gesture, info); | 160 event_args.get(), event_url, user_gesture, info); |
120 } | 161 } |
121 | 162 |
122 EventRouter::EventRouter(Profile* profile, ExtensionPrefs* extension_prefs) | 163 EventRouter::EventRouter(Profile* profile, ExtensionPrefs* extension_prefs) |
123 : profile_(profile), | 164 : profile_(profile), |
124 listeners_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), | 165 listeners_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), |
166 activity_log_(ActivityLog::GetInstance(profile)), | |
125 dispatch_chrome_updated_event_(false) { | 167 dispatch_chrome_updated_event_(false) { |
126 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, | 168 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, |
127 content::NotificationService::AllSources()); | 169 content::NotificationService::AllSources()); |
128 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED, | 170 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED, |
129 content::NotificationService::AllSources()); | 171 content::NotificationService::AllSources()); |
130 registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY, | 172 registrar_.Add(this, chrome::NOTIFICATION_EXTENSIONS_READY, |
131 content::Source<Profile>(profile_)); | 173 content::Source<Profile>(profile_)); |
132 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_ENABLED, | 174 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_ENABLED, |
133 content::Source<Profile>(profile_)); | 175 content::Source<Profile>(profile_)); |
134 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, | 176 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, |
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183 | 225 |
184 void EventRouter::OnListenerAdded(const EventListener* listener) { | 226 void EventRouter::OnListenerAdded(const EventListener* listener) { |
185 const std::string& event_name = listener->event_name; | 227 const std::string& event_name = listener->event_name; |
186 const EventListenerInfo details(event_name, listener->extension_id); | 228 const EventListenerInfo details(event_name, listener->extension_id); |
187 ObserverMap::iterator observer = observers_.find(event_name); | 229 ObserverMap::iterator observer = observers_.find(event_name); |
188 if (observer != observers_.end()) | 230 if (observer != observers_.end()) |
189 observer->second->OnListenerAdded(details); | 231 observer->second->OnListenerAdded(details); |
190 | 232 |
191 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) | 233 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) |
192 SystemInfoEventRouter::GetInstance()->AddEventListener(event_name); | 234 SystemInfoEventRouter::GetInstance()->AddEventListener(event_name); |
235 | |
236 const Extension* extension = extensions::ExtensionSystem::Get(profile_)-> | |
237 extension_service()->GetExtensionById(listener->extension_id, | |
238 ExtensionService::INCLUDE_ENABLED); | |
239 if (extension) { | |
240 scoped_ptr<ListValue> args(new ListValue()); | |
241 if (listener->filter) | |
242 args->Append(listener->filter->DeepCopy()); | |
243 activity_log_->LogAPIAction(extension, | |
244 event_name + ".addListener", | |
245 args.get(), | |
246 ""); | |
247 } | |
193 } | 248 } |
194 | 249 |
195 void EventRouter::OnListenerRemoved(const EventListener* listener) { | 250 void EventRouter::OnListenerRemoved(const EventListener* listener) { |
196 const std::string& event_name = listener->event_name; | 251 const std::string& event_name = listener->event_name; |
197 const EventListenerInfo details(event_name, listener->extension_id); | 252 const EventListenerInfo details(event_name, listener->extension_id); |
198 ObserverMap::iterator observer = observers_.find(event_name); | 253 ObserverMap::iterator observer = observers_.find(event_name); |
199 if (observer != observers_.end()) | 254 if (observer != observers_.end()) |
200 observer->second->OnListenerRemoved(details); | 255 observer->second->OnListenerRemoved(details); |
201 | 256 |
202 BrowserThread::PostTask( | 257 BrowserThread::PostTask( |
203 BrowserThread::IO, FROM_HERE, | 258 BrowserThread::IO, FROM_HERE, |
204 base::Bind(&NotifyEventListenerRemovedOnIOThread, | 259 base::Bind(&NotifyEventListenerRemovedOnIOThread, |
205 profile_, listener->extension_id, event_name)); | 260 profile_, listener->extension_id, event_name)); |
206 | 261 |
207 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) | 262 if (SystemInfoEventRouter::IsSystemInfoEvent(event_name)) |
208 SystemInfoEventRouter::GetInstance()->RemoveEventListener(event_name); | 263 SystemInfoEventRouter::GetInstance()->RemoveEventListener(event_name); |
264 | |
265 const Extension* extension = extensions::ExtensionSystem::Get(profile_)-> | |
266 extension_service()->GetExtensionById(listener->extension_id, | |
267 ExtensionService::INCLUDE_ENABLED); | |
268 if (extension) { | |
269 scoped_ptr<ListValue> args(new ListValue()); | |
270 activity_log_->LogAPIAction(extension, | |
271 event_name + ".removeListener", | |
272 args.get(), | |
273 ""); | |
274 } | |
209 } | 275 } |
210 | 276 |
211 void EventRouter::AddLazyEventListener(const std::string& event_name, | 277 void EventRouter::AddLazyEventListener(const std::string& event_name, |
212 const std::string& extension_id) { | 278 const std::string& extension_id) { |
213 scoped_ptr<EventListener> listener(new EventListener( | 279 scoped_ptr<EventListener> listener(new EventListener( |
214 event_name, extension_id, NULL, scoped_ptr<DictionaryValue>())); | 280 event_name, extension_id, NULL, scoped_ptr<DictionaryValue>())); |
215 bool is_new = listeners_.AddListener(listener.Pass()); | 281 bool is_new = listeners_.AddListener(listener.Pass()); |
216 | 282 |
217 if (is_new) { | 283 if (is_new) { |
218 ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(profile_)-> | 284 ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(profile_)-> |
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419 } | 485 } |
420 | 486 |
421 if (!CanDispatchEventToProfile(listener_profile, extension, event)) | 487 if (!CanDispatchEventToProfile(listener_profile, extension, event)) |
422 return; | 488 return; |
423 | 489 |
424 if (!event->will_dispatch_callback.is_null()) { | 490 if (!event->will_dispatch_callback.is_null()) { |
425 event->will_dispatch_callback.Run(listener_profile, extension, | 491 event->will_dispatch_callback.Run(listener_profile, extension, |
426 event->event_args.get()); | 492 event->event_args.get()); |
427 } | 493 } |
428 | 494 |
429 DispatchExtensionMessage(process, extension_id, | 495 DispatchExtensionMessage(process, listener_profile, extension_id, |
430 event->event_name, event->event_args.get(), | 496 event->event_name, event->event_args.get(), |
431 event->event_url, event->user_gesture, | 497 event->event_url, event->user_gesture, |
432 event->filter_info); | 498 event->filter_info); |
433 IncrementInFlightEvents(listener_profile, extension); | 499 IncrementInFlightEvents(listener_profile, extension); |
434 } | 500 } |
435 | 501 |
436 bool EventRouter::CanDispatchEventToProfile(Profile* profile, | 502 bool EventRouter::CanDispatchEventToProfile(Profile* profile, |
437 const Extension* extension, | 503 const Extension* extension, |
438 const linked_ptr<Event>& event) { | 504 const linked_ptr<Event>& event) { |
439 // Is this event from a different profile than the renderer (ie, an | 505 // Is this event from a different profile than the renderer (ie, an |
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648 copy->will_dispatch_callback = will_dispatch_callback; | 714 copy->will_dispatch_callback = will_dispatch_callback; |
649 return copy; | 715 return copy; |
650 } | 716 } |
651 | 717 |
652 EventListenerInfo::EventListenerInfo(const std::string& event_name, | 718 EventListenerInfo::EventListenerInfo(const std::string& event_name, |
653 const std::string& extension_id) | 719 const std::string& extension_id) |
654 : event_name(event_name), | 720 : event_name(event_name), |
655 extension_id(extension_id) {} | 721 extension_id(extension_id) {} |
656 | 722 |
657 } // namespace extensions | 723 } // namespace extensions |
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