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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_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
#define COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
#include "base/memory/scoped_ptr.h"
#include "components/session_manager/session_manager_export.h"
namespace session_manager {
class SessionManagerDelegate;
// TODO(nkostylev): Get rid/consolidate with:
// ash::SessionStateDelegate::SessionState and chromeos::LoggedInState.
enum SESSION_EXPORT SessionState {
// Default value, when session state hasn't been initialized yet.
SESSION_STATE_UNKNOWN = 0,
// Running out of box UI.
SESSION_STATE_OOBE,
// Running login UI (primary user) but user sign in hasn't completed yet.
SESSION_STATE_LOGIN_PRIMARY,
// Running login UI (primary or secondary user), user sign in has been
// completed but login UI hasn't been hidden yet. This means that either
// some session initialization is happening or user has to go through some
// UI flow on the same login UI like select avatar, agree to terms of
// service etc.
SESSION_STATE_LOGGED_IN_NOT_ACTIVE,
// A user(s) has logged in *and* login UI is hidden i.e. user session is
// not blocked.
SESSION_STATE_ACTIVE,
// Same as SESSION_STATE_LOGIN_PRIMARY but for multi-profiles sign in i.e.
// when there's at least one user already active in the session.
SESSION_STATE_LOGIN_SECONDARY,
};
class SESSION_EXPORT SessionManager {
public:
SessionManager();
virtual ~SessionManager();
// Returns current SessionManager instance and NULL if it hasn't been
// initialized yet.
static SessionManager* Get();
SessionState session_state() const { return session_state_; }
virtual void SetSessionState(SessionState state);
// Let session delegate executed on its plan of actions depending on the
// current session type / state.
void Start();
// Returns true when the browser has crashed and restarted during the current
// user's session.
static bool HasBrowserRestarted();
protected:
// Initializes SessionManager with delegate.
void Initialize(SessionManagerDelegate* delegate);
// Sets SessionManager instance.
static void SetInstance(SessionManager* session_manager);
private:
// Pointer to the existing SessionManager instance (if any).
// Set in ctor, reset in dtor. Not owned since specific implementation of
// SessionManager should decide on its own appropriate owner of SessionManager
// instance. For src/chrome implementation such place is
// g_browser_process->platform_part().
static SessionManager* instance;
SessionState session_state_;
scoped_ptr<SessionManagerDelegate> delegate_;
DISALLOW_COPY_AND_ASSIGN(SessionManager);
};
class SESSION_EXPORT SessionManagerDelegate {
public:
SessionManagerDelegate();
virtual ~SessionManagerDelegate();
virtual void SetSessionManager(
session_manager::SessionManager* session_manager);
// Executes specific actions defined by this delegate.
virtual void Start() = 0;
protected:
session_manager::SessionManager* session_manager_;
private:
DISALLOW_COPY_AND_ASSIGN(SessionManagerDelegate);
};
} // namespace session_manager
#endif // COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
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