// Copyright 2017 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_WEB_NAVIGATION_NAVIGATION_MANAGER_UTIL_H_
#define IOS_WEB_NAVIGATION_NAVIGATION_MANAGER_UTIL_H_

// This file contains extensions for web::NavigationManager API without making
// them part of ios/web/public.

namespace web {

class NavigationContextImpl;
class NavigationItemImpl;
class NavigationManager;
class NavigationManagerImpl;

// Returns committed or pending navigation item for the given navigation context
// or null if item is not found. Item's unique id is retrieved via GetUniqueID
// method if `context` is null.
NavigationItemImpl* GetItemWithUniqueID(
    NavigationManagerImpl* navigation_manager,
    NavigationContextImpl* context);

// Returns committed navigation item with given `unique_id` or null if item
// is not found or it is pending. Item's unique id is retrieved via GetUniqueID
// method.
NavigationItemImpl* GetCommittedItemWithUniqueID(
    NavigationManagerImpl* navigation_manager,
    int unique_id);

// Returns committed navigation item index with given `unique_id` or -1 if item
// is not found or it is pending. Item's unique id is retrieved via GetUniqueID
// method.
int GetCommittedItemIndexWithUniqueID(NavigationManager* navigation_manager,
                                      int unique_id);

}  // namespace web

#endif  // IOS_WEB_NAVIGATION_NAVIGATION_MANAGER_UTIL_H_