ladybird/Userland/Libraries/LibWeb/HTML/Navigation.idl

#import <DOM/EventHandler.idl>
#import <DOM/EventTarget.idl>
#import <HTML/NavigationHistoryEntry.idl>
#import <HTML/NavigationTransition.idl>

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#navigation-interface
[Exposed=Window, UseNewAKString]
interface Navigation : EventTarget {
  sequence<NavigationHistoryEntry> entries();
  readonly attribute NavigationHistoryEntry? currentEntry;
  undefined updateCurrentEntry(NavigationUpdateCurrentEntryOptions options);
  readonly attribute NavigationTransition? transition;

  readonly attribute boolean canGoBack;
  readonly attribute boolean canGoForward;

  // TODO: Actually implement navigation algorithms
  NavigationResult navigate(USVString url, optional NavigationNavigateOptions options = {});
  // NavigationResult reload(optional NavigationReloadOptions options = {});

  // NavigationResult traverseTo(DOMString key, optional NavigationOptions options = {});
  // NavigationResult back(optional NavigationOptions options = {});
  // 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;
};

dictionary NavigationResult {
  Promise<NavigationHistoryEntry> committed;
  Promise<NavigationHistoryEntry> finished;
};

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