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 * Copyright (C) 2025 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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// https://html.spec.whatwg.org/multipage/nav-history-apis.html#navigation-interface

[
  EnabledBySetting=NavigationAPIEnabled,
  GenerateIsReachable=ReachableFromDOMWindow,
  JSCustomMarkFunction,
  Exposed=Window
] interface Navigation : EventTarget {
  sequence<NavigationHistoryEntry> entries();
  readonly attribute NavigationHistoryEntry? currentEntry;
  undefined updateCurrentEntry(NavigationUpdateCurrentEntryOptions options);
  readonly attribute NavigationTransition? transition;
  readonly attribute NavigationActivation? activation;

  readonly attribute boolean canGoBack;
  readonly attribute boolean canGoForward;

  [CallWith=CurrentGlobalObject, ReturnsPromisePair] NavigationResult navigate(USVString url, optional NavigationNavigateOptions options = {});
  [CallWith=CurrentGlobalObject, ReturnsPromisePair] NavigationResult reload(optional NavigationReloadOptions options = {});

  [CallWith=CurrentGlobalObject, ReturnsPromisePair] NavigationResult traverseTo(DOMString key, optional NavigationOptions options = {});
  [CallWith=CurrentGlobalObject, ReturnsPromisePair] NavigationResult back(optional NavigationOptions options = {});
  [CallWith=CurrentGlobalObject, ReturnsPromisePair] NavigationResult forward(optional NavigationOptions options = {});

  attribute EventHandler onnavigate;
  attribute EventHandler onnavigatesuccess;
  attribute EventHandler onnavigateerror;
  attribute EventHandler oncurrententrychange;
};

dictionary NavigationUpdateCurrentEntryOptions {
  required any state;
};

dictionary NavigationOptions {
  any info;
};

dictionary NavigationNavigateOptions : NavigationOptions {
  any state;
  NavigationHistoryBehavior history = "auto";
};

dictionary NavigationReloadOptions : NavigationOptions {
  any state;
};

[
    JSGenerateToJSObject,
] dictionary NavigationResult {
  [BypassDocumentFullyActiveCheck] Promise<NavigationHistoryEntry> committed;
  [BypassDocumentFullyActiveCheck] Promise<NavigationHistoryEntry> finished;
};

enum NavigationHistoryBehavior {
  "auto",
  "push",
  "replace"
};
