ios/chrome/browser/signin/signin_util.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IOS_CHROME_BROWSER_SIGNIN_SIGNIN_UTIL_H_
#define IOS_CHROME_BROWSER_SIGNIN_SIGNIN_UTIL_H_

#import <UIKit/UIKit.h>

#include <set>
#include <string>

#import "components/signin/public/identity_manager/account_info.h"
#include "ios/chrome/browser/signin/constants.h"

class PrefService;

namespace signin {
enum class Tribool;
}  // namespace signin

// Returns an NSArray of `scopes` as NSStrings.
NSArray* GetScopeArray(const std::set<std::string>& scopes);

// Returns whether the given signin `error` should be handled.
//
// Note that cancel errors and errors handled internally by the signin component
// should not be handled.
bool ShouldHandleSigninError(NSError* error);

// Returns CGSize based on `IdentityAvatarSize`.
CGSize GetSizeForIdentityAvatarSize(IdentityAvatarSize avatar_size);

// Returns whether Chrome has been started after a device restore. This method
// needs to be called for the first time before IO is disallowed on UI thread.
// The value is cached. The result is cached for later calls.
signin::Tribool IsFirstSessionAfterDeviceRestore();

// Stores a user's account info in memory, when we detect that it was
// forgotten during a device restore.
void StorePreRestoreIdentity(PrefService* local_state, AccountInfo account);

// Clears the identity that was signed-in before the restore.
void ClearPreRestoreIdentity(PrefService* local_state);

// Returns the identity that was signed-in before the restore, but is now
// not signed-in.
absl::optional<AccountInfo> GetPreRestoreIdentity(PrefService* local_state);

#endif  // IOS_CHROME_BROWSER_SIGNIN_SIGNIN_UTIL_H_