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// Copyright 2014 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 COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H
#define COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H
#include <vector>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/proximity_auth/remote_device.h"
#include "components/proximity_auth/remote_device_life_cycle.h"
#include "components/proximity_auth/screenlock_bridge.h"
namespace proximity_auth {
class ProximityAuthClient;
class RemoteDeviceLifeCycle;
class UnlockManager;
// This is the main entry point to start Proximity Auth, the underlying system
// for the Smart Lock feature. Given a registered remote device (i.e. a phone),
// this object will handle the connection, authentication, and protocol for the
// device.
class ProximityAuthSystem : public RemoteDeviceLifeCycle::Observer,
public ScreenlockBridge::Observer {
public:
ProximityAuthSystem(RemoteDevice remote_device,
ProximityAuthClient* proximity_auth_client);
~ProximityAuthSystem() override;
// Starts the system to begin connecting and authenticating the remote device.
void Start();
// Called when the user clicks the user pod and attempts to unlock/sign-in.
void OnAuthAttempted(const std::string& user_id);
// Called when the system suspends.
void OnSuspend();
// Called when the system wakes up from a suspended state.
void OnSuspendDone();
private:
// RemoteDeviceLifeCycle::Observer:
void OnLifeCycleStateChanged(RemoteDeviceLifeCycle::State old_state,
RemoteDeviceLifeCycle::State new_state) override;
// ScreenlockBridge::Observer:
void OnScreenDidLock(
ScreenlockBridge::LockHandler::ScreenType screen_type) override;
void OnScreenDidUnlock(
ScreenlockBridge::LockHandler::ScreenType screen_type) override;
void OnFocusedUserChanged(const std::string& user_id) override;
// Resumes |remote_device_life_cycle_| after device wakes up and waits a
// timeout.
void ResumeAfterWakeUpTimeout();
// The remote device to connect to.
RemoteDevice remote_device_;
// Delegate for Chrome dependent functionality.
ProximityAuthClient* proximity_auth_client_;
// Responsible for the life cycle of connecting and authenticating to
// |remote_device_|.
scoped_ptr<RemoteDeviceLifeCycle> remote_device_life_cycle_;
// Handles the interaction with the lock screen UI.
scoped_ptr<UnlockManager> unlock_manager_;
// True if the system is suspended.
bool suspended_;
base::WeakPtrFactory<ProximityAuthSystem> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ProximityAuthSystem);
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H
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