| // Copyright 2013 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/signed_in_devices/signed_in_devices_manager.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/lazy_instance.h" |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/scoped_vector.h" |
| #include "base/values.h" |
| #include "chrome/browser/extensions/api/signed_in_devices/signed_in_devices_api.h" |
| #include "chrome/browser/extensions/extension_service.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/sync/glue/device_info.h" |
| #include "chrome/browser/sync/profile_sync_service.h" |
| #include "chrome/browser/sync/profile_sync_service_factory.h" |
| #include "chrome/common/extensions/api/signed_in_devices.h" |
| #include "extensions/browser/event_router.h" |
| #include "extensions/browser/extension_registry.h" |
| #include "extensions/common/extension.h" |
| |
| using browser_sync::DeviceInfo; |
| namespace extensions { |
| |
| namespace { |
| void FillDeviceInfo(const DeviceInfo& device_info, |
| api::signed_in_devices::DeviceInfo* api_device_info) { |
| api_device_info->id = device_info.public_id(); |
| api_device_info->name = device_info.client_name(); |
| api_device_info->os = api::signed_in_devices::ParseOS( |
| device_info.GetOSString()); |
| api_device_info->type = api::signed_in_devices::ParseDeviceType( |
| device_info.GetDeviceTypeString()); |
| api_device_info->chrome_version = device_info.chrome_version(); |
| } |
| } // namespace |
| |
| SignedInDevicesChangeObserver::SignedInDevicesChangeObserver( |
| const std::string& extension_id, |
| Profile* profile) : extension_id_(extension_id), |
| profile_(profile) { |
| ProfileSyncService* pss = ProfileSyncServiceFactory::GetForProfile(profile_); |
| if (pss) { |
| pss->AddObserverForDeviceInfoChange(this); |
| } |
| } |
| |
| SignedInDevicesChangeObserver::~SignedInDevicesChangeObserver() { |
| ProfileSyncService* pss = ProfileSyncServiceFactory::GetForProfile(profile_); |
| if (pss) { |
| pss->RemoveObserverForDeviceInfoChange(this); |
| } |
| |
| } |
| |
| void SignedInDevicesChangeObserver::OnDeviceInfoChange() { |
| // There is a change in the list of devices. Get all devices and send them to |
| // the listener. |
| ScopedVector<DeviceInfo> devices = GetAllSignedInDevices(extension_id_, |
| profile_); |
| |
| std::vector<linked_ptr<api::signed_in_devices::DeviceInfo> > args; |
| |
| for (ScopedVector<DeviceInfo>::const_iterator it = devices.begin(); |
| it != devices.end(); |
| ++it) { |
| linked_ptr<api::signed_in_devices::DeviceInfo> api_device = |
| make_linked_ptr(new api::signed_in_devices::DeviceInfo); |
| FillDeviceInfo(*(*it), api_device.get()); |
| args.push_back(api_device); |
| } |
| |
| scoped_ptr<base::ListValue> result = |
| api::signed_in_devices::OnDeviceInfoChange::Create(args); |
| scoped_ptr<Event> event(new Event( |
| api::signed_in_devices::OnDeviceInfoChange::kEventName, |
| result.Pass())); |
| |
| event->restrict_to_browser_context = profile_; |
| |
| EventRouter::Get(profile_)->DispatchEventToExtension( |
| extension_id_, event.Pass()); |
| } |
| |
| static base::LazyInstance< |
| BrowserContextKeyedAPIFactory<SignedInDevicesManager> > g_factory = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| // static |
| BrowserContextKeyedAPIFactory<SignedInDevicesManager>* |
| SignedInDevicesManager::GetFactoryInstance() { |
| return g_factory.Pointer(); |
| } |
| |
| SignedInDevicesManager::SignedInDevicesManager() |
| : profile_(NULL), extension_registry_observer_(this) { |
| } |
| |
| SignedInDevicesManager::SignedInDevicesManager(content::BrowserContext* context) |
| : profile_(Profile::FromBrowserContext(context)), |
| extension_registry_observer_(this) { |
| extensions::EventRouter* router = extensions::EventRouter::Get(profile_); |
| if (router) { |
| router->RegisterObserver( |
| this, api::signed_in_devices::OnDeviceInfoChange::kEventName); |
| } |
| |
| // Register for unload event so we could clear all our listeners when |
| // extensions have unloaded. |
| extension_registry_observer_.Add(ExtensionRegistry::Get(profile_)); |
| } |
| |
| SignedInDevicesManager::~SignedInDevicesManager() {} |
| |
| void SignedInDevicesManager::OnListenerAdded( |
| const EventListenerInfo& details) { |
| for (ScopedVector<SignedInDevicesChangeObserver>::const_iterator it = |
| change_observers_.begin(); |
| it != change_observers_.end(); |
| ++it) { |
| if ((*it)->extension_id() == details.extension_id) { |
| DCHECK(false) <<"OnListenerAded fired twice for same extension"; |
| return; |
| } |
| } |
| |
| change_observers_.push_back(new SignedInDevicesChangeObserver( |
| details.extension_id, |
| profile_)); |
| } |
| |
| void SignedInDevicesManager::OnListenerRemoved( |
| const EventListenerInfo& details) { |
| RemoveChangeObserverForExtension(details.extension_id); |
| } |
| |
| void SignedInDevicesManager::RemoveChangeObserverForExtension( |
| const std::string& extension_id) { |
| for (ScopedVector<SignedInDevicesChangeObserver>::iterator it = |
| change_observers_.begin(); |
| it != change_observers_.end(); |
| ++it) { |
| if ((*it)->extension_id() == extension_id) { |
| change_observers_.erase(it); |
| return; |
| } |
| } |
| } |
| |
| void SignedInDevicesManager::OnExtensionUnloaded( |
| content::BrowserContext* browser_context, |
| const Extension* extension, |
| UnloadedExtensionInfo::Reason reason) { |
| RemoveChangeObserverForExtension(extension->id()); |
| } |
| |
| } // namespace extensions |