1 files changed, 47 insertions, 0 deletions
diff --git a/dom/webidl/ChildSHistory.webidl b/dom/webidl/ChildSHistory.webidl
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+++ b/dom/webidl/ChildSHistory.webidl
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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+interface nsISHistory;
+
+/**
+ * The ChildSHistory interface represents the child side of a browsing
+ * context's session history.
+ */
+[ChromeOnly,
+ Exposed=Window]
+interface ChildSHistory {
+  [Pure]
+  readonly attribute long count;
+  [Pure]
+  readonly attribute long index;
+
+  boolean canGo(long aOffset);
+  [Throws] void go(long aOffset, optional boolean aRequireUserInteraction = false);
+
+  /**
+   * Reload the current entry. The flags which should be passed to this
+   * function are documented and defined in nsIWebNavigation.idl
+   */
+  [Throws]
+  void reload(unsigned long aReloadFlags);
+
+  /**
+   * Getter for the legacy nsISHistory implementation.
+   *
+   * legacySHistory has been deprecated. Don't use it, but instead handle
+   * the interaction with nsISHistory in the parent process.
+   */
+  [Throws]
+  readonly attribute nsISHistory legacySHistory;
+
+  /**
+   * asyncHistoryLength can be enabled to test Fission-like asynchronous
+   * history.length handling with non-Fission session history implementation.
+   * Throws if session history is running in the parent process.
+   */
+  [SetterThrows]
+  attribute boolean asyncHistoryLength;
+};