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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/extension_event_router.h" | 5 #include "chrome/browser/extensions/extension_event_router.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
| 9 #include "base/values.h" | 9 #include "base/values.h" |
| 10 #include "chrome/browser/extensions/extension_devtools_manager.h" | 10 #include "chrome/browser/extensions/extension_devtools_manager.h" |
| 11 #include "chrome/browser/extensions/extension_host.h" | 11 #include "chrome/browser/extensions/extension_host.h" |
| 12 #include "chrome/browser/extensions/extension_process_manager.h" | 12 #include "chrome/browser/extensions/extension_process_manager.h" |
| 13 #include "chrome/browser/extensions/extension_processes_api.h" | 13 #include "chrome/browser/extensions/extension_processes_api.h" |
| 14 #include "chrome/browser/extensions/extension_processes_api_constants.h" | 14 #include "chrome/browser/extensions/extension_processes_api_constants.h" |
| 15 #include "chrome/browser/extensions/extension_service.h" | 15 #include "chrome/browser/extensions/extension_service.h" |
| 16 #include "chrome/browser/extensions/extension_tabs_module.h" | 16 #include "chrome/browser/extensions/extension_tabs_module.h" |
| 17 #include "chrome/browser/extensions/extension_webrequest_api.h" | 17 #include "chrome/browser/extensions/extension_webrequest_api.h" |
| 18 #include "chrome/browser/extensions/process_map.h" | 18 #include "chrome/browser/extensions/process_map.h" |
| 19 #include "chrome/browser/profiles/profile.h" | 19 #include "chrome/browser/profiles/profile.h" |
| 20 #include "chrome/common/chrome_switches.h" | 20 #include "chrome/common/chrome_switches.h" |
| 21 #include "chrome/common/extensions/extension.h" | 21 #include "chrome/common/extensions/extension.h" |
| 22 #include "chrome/common/extensions/extension_messages.h" | 22 #include "chrome/common/extensions/extension_messages.h" |
| 23 #include "content/browser/child_process_security_policy.h" | 23 #include "content/browser/child_process_security_policy.h" |
| 24 #include "content/browser/renderer_host/render_process_host.h" | |
| 25 #include "content/public/browser/notification_service.h" | 24 #include "content/public/browser/notification_service.h" |
| 25 #include "content/public/browser/render_process_host.h" |
| 26 | 26 |
| 27 using content::BrowserThread; | 27 using content::BrowserThread; |
| 28 | 28 |
| 29 namespace { | 29 namespace { |
| 30 | 30 |
| 31 const char kDispatchEvent[] = "Event.dispatchJSON"; | 31 const char kDispatchEvent[] = "Event.dispatchJSON"; |
| 32 | 32 |
| 33 void NotifyEventListenerRemovedOnIOThread( | 33 void NotifyEventListenerRemovedOnIOThread( |
| 34 void* profile, | 34 void* profile, |
| 35 const std::string& extension_id, | 35 const std::string& extension_id, |
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| 107 | 107 |
| 108 void ExtensionEventRouter::AddEventListener( | 108 void ExtensionEventRouter::AddEventListener( |
| 109 const std::string& event_name, | 109 const std::string& event_name, |
| 110 RenderProcessHost* process, | 110 RenderProcessHost* process, |
| 111 const std::string& extension_id) { | 111 const std::string& extension_id) { |
| 112 EventListener listener(process, extension_id); | 112 EventListener listener(process, extension_id); |
| 113 DCHECK_EQ(listeners_[event_name].count(listener), 0u) << event_name; | 113 DCHECK_EQ(listeners_[event_name].count(listener), 0u) << event_name; |
| 114 listeners_[event_name].insert(listener); | 114 listeners_[event_name].insert(listener); |
| 115 | 115 |
| 116 if (extension_devtools_manager_.get()) | 116 if (extension_devtools_manager_.get()) |
| 117 extension_devtools_manager_->AddEventListener(event_name, process->id()); | 117 extension_devtools_manager_->AddEventListener(event_name, |
| 118 process->GetID()); |
| 118 | 119 |
| 119 // We lazily tell the TaskManager to start updating when listeners to the | 120 // We lazily tell the TaskManager to start updating when listeners to the |
| 120 // processes.onUpdated event arrive. | 121 // processes.onUpdated event arrive. |
| 121 if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0) | 122 if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0) |
| 122 ExtensionProcessesEventRouter::GetInstance()->ListenerAdded(); | 123 ExtensionProcessesEventRouter::GetInstance()->ListenerAdded(); |
| 123 } | 124 } |
| 124 | 125 |
| 125 void ExtensionEventRouter::RemoveEventListener( | 126 void ExtensionEventRouter::RemoveEventListener( |
| 126 const std::string& event_name, | 127 const std::string& event_name, |
| 127 RenderProcessHost* process, | 128 RenderProcessHost* process, |
| 128 const std::string& extension_id) { | 129 const std::string& extension_id) { |
| 129 EventListener listener(process, extension_id); | 130 EventListener listener(process, extension_id); |
| 130 DCHECK_EQ(listeners_[event_name].count(listener), 1u) << | 131 DCHECK_EQ(listeners_[event_name].count(listener), 1u) << |
| 131 " PID=" << process->id() << " extension=" << extension_id << | 132 " PID=" << process->GetID() << " extension=" << extension_id << |
| 132 " event=" << event_name; | 133 " event=" << event_name; |
| 133 listeners_[event_name].erase(listener); | 134 listeners_[event_name].erase(listener); |
| 134 // Note: extension_id may point to data in the now-deleted listeners_ object. | 135 // Note: extension_id may point to data in the now-deleted listeners_ object. |
| 135 // Do not use. | 136 // Do not use. |
| 136 | 137 |
| 137 if (extension_devtools_manager_.get()) | 138 if (extension_devtools_manager_.get()) |
| 138 extension_devtools_manager_->RemoveEventListener(event_name, process->id()); | 139 extension_devtools_manager_->RemoveEventListener(event_name, |
| 140 process->GetID()); |
| 139 | 141 |
| 140 // If a processes.onUpdated event listener is removed (or a process with one | 142 // If a processes.onUpdated event listener is removed (or a process with one |
| 141 // exits), then we let the TaskManager know that it has one fewer listener. | 143 // exits), then we let the TaskManager know that it has one fewer listener. |
| 142 if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0) | 144 if (event_name.compare(extension_processes_api_constants::kOnUpdated) == 0) |
| 143 ExtensionProcessesEventRouter::GetInstance()->ListenerRemoved(); | 145 ExtensionProcessesEventRouter::GetInstance()->ListenerRemoved(); |
| 144 | 146 |
| 145 BrowserThread::PostTask( | 147 BrowserThread::PostTask( |
| 146 BrowserThread::IO, FROM_HERE, | 148 BrowserThread::IO, FROM_HERE, |
| 147 base::Bind( | 149 base::Bind( |
| 148 &NotifyEventListenerRemovedOnIOThread, | 150 &NotifyEventListenerRemovedOnIOThread, |
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| 264 | 266 |
| 265 const Extension* extension = service->GetExtensionById( | 267 const Extension* extension = service->GetExtensionById( |
| 266 listener->extension_id, false); | 268 listener->extension_id, false); |
| 267 | 269 |
| 268 // The extension could have been removed, but we do not unregister it until | 270 // The extension could have been removed, but we do not unregister it until |
| 269 // the extension process is unloaded. | 271 // the extension process is unloaded. |
| 270 if (!extension) | 272 if (!extension) |
| 271 continue; | 273 continue; |
| 272 | 274 |
| 273 Profile* listener_profile = Profile::FromBrowserContext( | 275 Profile* listener_profile = Profile::FromBrowserContext( |
| 274 listener->process->browser_context()); | 276 listener->process->GetBrowserContext()); |
| 275 extensions::ProcessMap* process_map = | 277 extensions::ProcessMap* process_map = |
| 276 listener_profile->GetExtensionService()->process_map(); | 278 listener_profile->GetExtensionService()->process_map(); |
| 277 if (!process_map->Contains(extension->id(), listener->process->id())) | 279 if (!process_map->Contains(extension->id(), listener->process->GetID())) |
| 278 continue; | 280 continue; |
| 279 | 281 |
| 280 // Is this event from a different profile than the renderer (ie, an | 282 // Is this event from a different profile than the renderer (ie, an |
| 281 // incognito tab event sent to a normal process, or vice versa). | 283 // incognito tab event sent to a normal process, or vice versa). |
| 282 bool cross_incognito = event->restrict_to_profile && | 284 bool cross_incognito = event->restrict_to_profile && |
| 283 listener_profile != event->restrict_to_profile; | 285 listener_profile != event->restrict_to_profile; |
| 284 // Send the event with different arguments to extensions that can't | 286 // Send the event with different arguments to extensions that can't |
| 285 // cross incognito, if necessary. | 287 // cross incognito, if necessary. |
| 286 if (cross_incognito && !service->CanCrossIncognito(extension)) { | 288 if (cross_incognito && !service->CanCrossIncognito(extension)) { |
| 287 if (!event->cross_incognito_args.empty()) { | 289 if (!event->cross_incognito_args.empty()) { |
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| 382 ExtensionHost* eh = content::Details<ExtensionHost>(details).ptr(); | 384 ExtensionHost* eh = content::Details<ExtensionHost>(details).ptr(); |
| 383 DispatchPendingEvents(eh->extension_id()); | 385 DispatchPendingEvents(eh->extension_id()); |
| 384 break; | 386 break; |
| 385 } | 387 } |
| 386 // TODO(tessamac): if background page crashed/failed clear queue. | 388 // TODO(tessamac): if background page crashed/failed clear queue. |
| 387 default: | 389 default: |
| 388 NOTREACHED(); | 390 NOTREACHED(); |
| 389 return; | 391 return; |
| 390 } | 392 } |
| 391 } | 393 } |
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