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.
5 #ifndef CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__
6 #define CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__
10 #include "base/gtest_prod_util.h"
11 #include "base/memory/scoped_vector.h"
12 #include "base/scoped_observer.h"
13 #include "components/sync_driver/device_info_tracker.h"
14 #include "extensions/browser/browser_context_keyed_api_factory.h"
15 #include "extensions/browser/event_router.h"
16 #include "extensions/browser/extension_registry_observer.h"
22 class NotificationDetails;
23 class NotificationObserver;
24 class NotificationRegistrar;
25 } // namespace content
27 namespace extensions {
28 class BrowserContextKeyedAPI;
29 class ExtensionRegistry;
31 struct EventListenerInfo;
33 // An object of this class is created for each extension that has registered
34 // to be notified for device info change. The objects listen for notification
35 // from sync on device info change. On receiving the notification the
36 // new list of devices is constructed and passed back to the extension.
37 // The extension id is part of this object as it is needed to fill in the
38 // public ids for devices(public ids for a device, is not the same for
40 class SignedInDevicesChangeObserver
41 : public sync_driver::DeviceInfoTracker::Observer {
43 SignedInDevicesChangeObserver(const std::string& extension_id,
45 virtual ~SignedInDevicesChangeObserver();
47 virtual void OnDeviceInfoChange() OVERRIDE;
49 const std::string& extension_id() {
54 std::string extension_id_;
55 Profile* const profile_;
56 content::NotificationRegistrar registrar_;
59 class SignedInDevicesManager : public BrowserContextKeyedAPI,
60 public ExtensionRegistryObserver,
61 public EventRouter::Observer {
63 // Default constructor used for testing.
64 SignedInDevicesManager();
65 explicit SignedInDevicesManager(content::BrowserContext* context);
66 virtual ~SignedInDevicesManager();
68 // BrowserContextKeyedAPI implementation.
69 static BrowserContextKeyedAPIFactory<SignedInDevicesManager>*
72 // ExtensionRegistryObserver implementation.
73 virtual void OnExtensionUnloaded(
74 content::BrowserContext* browser_context,
75 const Extension* extension,
76 UnloadedExtensionInfo::Reason reason) OVERRIDE;
78 // EventRouter::Observer:
79 virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE;
80 virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE;
83 friend class BrowserContextKeyedAPIFactory<SignedInDevicesManager>;
85 // BrowserContextKeyedAPI implementation.
86 static const char* service_name() {
87 return "SignedInDevicesManager";
89 static const bool kServiceHasOwnInstanceInIncognito = true;
91 void RemoveChangeObserverForExtension(const std::string& extension_id);
93 Profile* const profile_;
94 ScopedVector<SignedInDevicesChangeObserver> change_observers_;
96 // Listen to extension unloaded notification.
97 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
98 extension_registry_observer_;
100 FRIEND_TEST_ALL_PREFIXES(SignedInDevicesManager, UpdateListener);
102 DISALLOW_COPY_AND_ASSIGN(SignedInDevicesManager);
105 } // namespace extensions
107 #endif // CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__