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// 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.
#ifndef CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__
#define CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__
#include <memory>
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "components/sync_device_info/device_info_tracker.h"
#include "content/public/browser/notification_registrar.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_registry_observer.h"
class Profile;
namespace content {
class BrowserContext;
} // namespace content
namespace extensions {
class BrowserContextKeyedAPI;
class ExtensionRegistry;
struct EventListenerInfo;
// An object of this class is created for each extension that has registered
// to be notified for device info change. The objects listen for notification
// from sync on device info change. On receiving the notification the
// new list of devices is constructed and passed back to the extension.
// The extension id is part of this object as it is needed to fill in the
// public ids for devices(public ids for a device, is not the same for
// all extensions).
class SignedInDevicesChangeObserver
: public syncer::DeviceInfoTracker::Observer {
public:
SignedInDevicesChangeObserver(const std::string& extension_id,
Profile* profile);
virtual ~SignedInDevicesChangeObserver();
void OnDeviceInfoChange() override;
const std::string& extension_id() {
return extension_id_;
}
private:
std::string extension_id_;
Profile* const profile_;
content::NotificationRegistrar registrar_;
};
class SignedInDevicesManager : public BrowserContextKeyedAPI,
public ExtensionRegistryObserver,
public EventRouter::Observer {
public:
// Default constructor used for testing.
SignedInDevicesManager();
explicit SignedInDevicesManager(content::BrowserContext* context);
~SignedInDevicesManager() override;
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<SignedInDevicesManager>*
GetFactoryInstance();
void Shutdown() override;
// ExtensionRegistryObserver implementation.
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) override;
// EventRouter::Observer:
void OnListenerAdded(const EventListenerInfo& details) override;
void OnListenerRemoved(const EventListenerInfo& details) override;
private:
friend class BrowserContextKeyedAPIFactory<SignedInDevicesManager>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() {
return "SignedInDevicesManager";
}
static const bool kServiceHasOwnInstanceInIncognito = true;
void RemoveChangeObserverForExtension(const std::string& extension_id);
Profile* const profile_;
std::vector<std::unique_ptr<SignedInDevicesChangeObserver>> change_observers_;
// Listen to extension unloaded notification.
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
FRIEND_TEST_ALL_PREFIXES(SignedInDevicesManager, UpdateListener);
DISALLOW_COPY_AND_ASSIGN(SignedInDevicesManager);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_SIGNED_IN_DEVICES_SIGNED_IN_DEVICES_MANAGER_H__
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