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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/.
 *
 * https://dom.spec.whatwg.org/#interface-document
 * https://html.spec.whatwg.org/multipage/dom.html#the-document-object
 * https://html.spec.whatwg.org/multipage/obsolete.html#other-elements%2C-attributes-and-apis
 * https://fullscreen.spec.whatwg.org/#api
 * https://w3c.github.io/pointerlock/#extensions-to-the-document-interface
 * https://w3c.github.io/pointerlock/#extensions-to-the-documentorshadowroot-mixin
 * https://w3c.github.io/page-visibility/#extensions-to-the-document-interface
 * https://drafts.csswg.org/cssom/#extensions-to-the-document-interface
 * https://drafts.csswg.org/cssom-view/#extensions-to-the-document-interface
 * https://wicg.github.io/feature-policy/#policy
 */

interface ContentSecurityPolicy;
interface Principal;
interface WindowProxy;
interface nsISupports;
interface URI;
interface nsIDocShell;
interface nsILoadGroup;
interface nsIReferrerInfo;
interface XULCommandDispatcher;

enum VisibilityState { "hidden", "visible" };

/* https://dom.spec.whatwg.org/#dictdef-elementcreationoptions */
dictionary ElementCreationOptions {
  DOMString is;

  [ChromeOnly]
  DOMString pseudo;
};

/* https://dom.spec.whatwg.org/#interface-document */
[Constructor]
interface Document : Node {
  [Throws]
  readonly attribute DOMImplementation implementation;
  [Pure, Throws, BinaryName="documentURIFromJS", NeedsCallerType]
  readonly attribute DOMString URL;
  [Pure, Throws, BinaryName="documentURIFromJS", NeedsCallerType]
  readonly attribute DOMString documentURI;
  [Pure]
  readonly attribute DOMString compatMode;
  [Pure]
  readonly attribute DOMString characterSet;
  [Pure,BinaryName="characterSet"]
  readonly attribute DOMString charset; // legacy alias of .characterSet
  [Pure,BinaryName="characterSet"]
  readonly attribute DOMString inputEncoding; // legacy alias of .characterSet
  [Pure]
  readonly attribute DOMString contentType;

  [Pure]
  readonly attribute DocumentType? doctype;
  [Pure]
  readonly attribute Element? documentElement;
  [Pure]
  HTMLCollection getElementsByTagName(DOMString localName);
  [Pure, Throws]
  HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName);
  [Pure]
  HTMLCollection getElementsByClassName(DOMString classNames);
  [Pure]
  Element? getElementById(DOMString elementId);

  // These DOM methods cannot be accessed by UA Widget scripts
  // because the DOM element reflectors will be in the content scope,
  // instead of the desired UA Widget scope.
  [CEReactions, NewObject, Throws, Func="IsNotUAWidget"]
  Element createElement(DOMString localName, optional (ElementCreationOptions or DOMString) options = {});
  [CEReactions, NewObject, Throws, Func="IsNotUAWidget"]
  Element createElementNS(DOMString? namespace, DOMString qualifiedName, optional (ElementCreationOptions or DOMString) options = {});
  [NewObject]
  DocumentFragment createDocumentFragment();
  [NewObject, Func="IsNotUAWidget"]
  Text createTextNode(DOMString data);
  [NewObject, Func="IsNotUAWidget"]
  Comment createComment(DOMString data);
  [NewObject, Throws]
  ProcessingInstruction createProcessingInstruction(DOMString target, DOMString data);

  [CEReactions, Throws, Func="IsNotUAWidget"]
  Node importNode(Node node, optional boolean deep = false);
  [CEReactions, Throws, Func="IsNotUAWidget"]
  Node adoptNode(Node node);

  [NewObject, Throws, NeedsCallerType]
  Event createEvent(DOMString interface);

  [NewObject, Throws]
  Range createRange();

  // NodeFilter.SHOW_ALL = 0xFFFFFFFF
  [NewObject, Throws]
  NodeIterator createNodeIterator(Node root, optional unsigned long whatToShow = 0xFFFFFFFF, optional NodeFilter? filter = null);
  [NewObject, Throws]
  TreeWalker createTreeWalker(Node root, optional unsigned long whatToShow = 0xFFFFFFFF, optional NodeFilter? filter = null);

  // NEW
  // No support for prepend/append yet
  // void prepend((Node or DOMString)... nodes);
  // void append((Node or DOMString)... nodes);

  // These are not in the spec, but leave them for now for backwards compat.
  // So sort of like Gecko extensions
  [NewObject, Throws]
  CDATASection createCDATASection(DOMString data);
  [NewObject, Throws]
  Attr createAttribute(DOMString name);
  [NewObject, Throws]
  Attr createAttributeNS(DOMString? namespace, DOMString name);
};

// https://html.spec.whatwg.org/multipage/dom.html#the-document-object
partial interface Document {
  [PutForwards=href, Unforgeable] readonly attribute Location? location;
  [SetterThrows]                           attribute DOMString domain;
  readonly attribute DOMString referrer;
  [Throws] attribute DOMString cookie;
  readonly attribute DOMString lastModified;
  readonly attribute DOMString readyState;

  // DOM tree accessors
  //(Not proxy yet)getter object (DOMString name);
  [CEReactions, SetterThrows, Pure]
           attribute DOMString title;
  [CEReactions, Pure]
           attribute DOMString dir;
  [CEReactions, Pure, SetterThrows]
           attribute HTMLElement? body;
  [Pure]
  readonly attribute HTMLHeadElement? head;
  [SameObject] readonly attribute HTMLCollection images;
  [SameObject] readonly attribute HTMLCollection embeds;
  [SameObject] readonly attribute HTMLCollection plugins;
  [SameObject] readonly attribute HTMLCollection links;
  [SameObject] readonly attribute HTMLCollection forms;
  [SameObject] readonly attribute HTMLCollection scripts;
  [Pure]
  NodeList getElementsByName(DOMString elementName);
  //(Not implemented)readonly attribute DOMElementMap cssElementMap;

  // dynamic markup insertion
  [CEReactions, Throws]
  Document open(optional DOMString unused1, optional DOMString unused2); // both arguments are ignored
  [CEReactions, Throws]
  WindowProxy? open(USVString url, DOMString name, DOMString features);
  [CEReactions, Throws]
  void close();
  [CEReactions, Throws]
  void write(DOMString... text);
  [CEReactions, Throws]
  void writeln(DOMString... text);

  // user interaction
  [Pure]
  readonly attribute WindowProxy? defaultView;
  [Throws]
  boolean hasFocus();
  [CEReactions, SetterThrows, SetterNeedsSubjectPrincipal]
           attribute DOMString designMode;
  [CEReactions, Throws, NeedsSubjectPrincipal]
  boolean execCommand(DOMString commandId, optional boolean showUI = false,
                      optional DOMString value = "");
  [Throws, NeedsSubjectPrincipal]
  boolean queryCommandEnabled(DOMString commandId);
  [Throws]
  boolean queryCommandIndeterm(DOMString commandId);
  [Throws]
  boolean queryCommandState(DOMString commandId);
  [Throws, NeedsCallerType]
  boolean queryCommandSupported(DOMString commandId);
  [Throws]
  DOMString queryCommandValue(DOMString commandId);
  //(Not implemented)readonly attribute HTMLCollection commands;

  // special event handler IDL attributes that only apply to Document objects
  [LenientThis] attribute EventHandler onreadystatechange;

  // Gecko extensions?
                attribute EventHandler onbeforescriptexecute;
                attribute EventHandler onafterscriptexecute;

                [Pref="dom.select_events.enabled"]
                attribute EventHandler onselectionchange;

  /**
   * True if this document is synthetic : stand alone image, video, audio file,
   * etc.
   */
  [Func="IsChromeOrXBLOrUAWidget"] readonly attribute boolean mozSyntheticDocument;
  /**
   * Returns the script element whose script is currently being processed.
   *
   * @see <https://developer.mozilla.org/en/DOM/document.currentScript>
   */
  [Pure]
  readonly attribute Element? currentScript;
  /**
   * Release the current mouse capture if it is on an element within this
   * document.
   *
   * @see <https://developer.mozilla.org/en/DOM/document.releaseCapture>
   */
  void releaseCapture();
  /**
   * Use the given DOM element as the source image of target |-moz-element()|.
   *
   * This function introduces a new special ID (called "image element ID"),
   * which is only used by |-moz-element()|, and associates it with the given
   * DOM element.  Image elements ID's have the higher precedence than general
   * HTML id's, so if |document.mozSetImageElement(<id>, <element>)| is called,
   * |-moz-element(#<id>)| uses |<element>| as the source image even if there
   * is another element with id attribute = |<id>|.  To unregister an image
   * element ID |<id>|, call |document.mozSetImageElement(<id>, null)|.
   *
   * Example:
   * <script>
   *   canvas = document.createElement("canvas");
   *   canvas.setAttribute("width", 100);
   *   canvas.setAttribute("height", 100);
   *   // draw to canvas
   *   document.mozSetImageElement("canvasbg", canvas);
   * </script>
   * <div style="background-image: -moz-element(#canvasbg);"></div>
   *
   * @param aImageElementId an image element ID to associate with
   * |aImageElement|
   * @param aImageElement a DOM element to be used as the source image of
   * |-moz-element(#aImageElementId)|. If this is null, the function will
   * unregister the image element ID |aImageElementId|.
   *
   * @see <https://developer.mozilla.org/en/DOM/document.mozSetImageElement>
   */
  void mozSetImageElement(DOMString aImageElementId,
                          Element? aImageElement);

  [ChromeOnly]
  readonly attribute URI? documentURIObject;

  /**
   * Current referrer policy - one of the referrer policy value from
   * ReferrerPolicy.webidl.
   */
  [ChromeOnly]
  readonly attribute ReferrerPolicy referrerPolicy;

    /**
   * Current referrer info, which holds all referrer related information
   * including referrer policy and raw referrer of document.
   */
  [ChromeOnly]
  readonly attribute nsIReferrerInfo referrerInfo;

};

// https://html.spec.whatwg.org/multipage/obsolete.html#other-elements%2C-attributes-and-apis
partial interface Document {
  [CEReactions] attribute [TreatNullAs=EmptyString] DOMString fgColor;
  [CEReactions] attribute [TreatNullAs=EmptyString] DOMString linkColor;
  [CEReactions] attribute [TreatNullAs=EmptyString] DOMString vlinkColor;
  [CEReactions] attribute [TreatNullAs=EmptyString] DOMString alinkColor;
  [CEReactions] attribute [TreatNullAs=EmptyString] DOMString bgColor;

  [SameObject] readonly attribute HTMLCollection anchors;
  [SameObject] readonly attribute HTMLCollection applets;

  void clear();
  // @deprecated These are old Netscape 4 methods. Do not use,
  //             the implementation is no-op.
  // XXXbz do we actually need these anymore?
  void captureEvents();
  void releaseEvents();

  [SameObject] readonly attribute HTMLAllCollection all;
};

// https://fullscreen.spec.whatwg.org/#api
partial interface Document {
  // Note: Per spec the 'S' in these two is lowercase, but the "Moz"
  // versions have it uppercase.
  [LenientSetter, Unscopable, Func="Document::IsUnprefixedFullscreenEnabled"]
  readonly attribute boolean fullscreen;
  [BinaryName="fullscreen"]
  readonly attribute boolean mozFullScreen;
  [LenientSetter, Func="Document::IsUnprefixedFullscreenEnabled", NeedsCallerType]
  readonly attribute boolean fullscreenEnabled;
  [BinaryName="fullscreenEnabled", NeedsCallerType]
  readonly attribute boolean mozFullScreenEnabled;

  [Throws, Func="Document::IsUnprefixedFullscreenEnabled"]
  Promise<void> exitFullscreen();
  [Throws, BinaryName="exitFullscreen"]
  Promise<void> mozCancelFullScreen();

  // Events handlers
  [Func="Document::IsUnprefixedFullscreenEnabled"]
  attribute EventHandler onfullscreenchange;
  [Func="Document::IsUnprefixedFullscreenEnabled"]
  attribute EventHandler onfullscreenerror;
};

// https://w3c.github.io/pointerlock/#extensions-to-the-document-interface
// https://w3c.github.io/pointerlock/#extensions-to-the-documentorshadowroot-mixin
partial interface Document {
  void exitPointerLock();

  // Event handlers
  attribute EventHandler onpointerlockchange;
  attribute EventHandler onpointerlockerror;
};

partial interface Document {
  [Func="Document::CallerIsTrustedAboutCertError", Throws]
  FailedCertSecurityInfo getFailedCertSecurityInfo();
};

// https://w3c.github.io/page-visibility/#extensions-to-the-document-interface
partial interface Document {
  readonly attribute boolean hidden;
  readonly attribute VisibilityState visibilityState;
           attribute EventHandler onvisibilitychange;
};

// https://drafts.csswg.org/cssom/#extensions-to-the-document-interface
partial interface Document {
    attribute DOMString? selectedStyleSheetSet;
    readonly attribute DOMString? lastStyleSheetSet;
    readonly attribute DOMString? preferredStyleSheetSet;
    [Constant]
    readonly attribute DOMStringList styleSheetSets;
    void enableStyleSheetsForSet (DOMString? name);
};

// https://drafts.csswg.org/cssom-view/#extensions-to-the-document-interface
partial interface Document {
    CaretPosition? caretPositionFromPoint (float x, float y);

    readonly attribute Element? scrollingElement;
};

// http://dev.w3.org/2006/webapi/selectors-api2/#interface-definitions
partial interface Document {
  [Throws, Pure]
  Element?  querySelector(DOMString selectors);
  [Throws, Pure]
  NodeList  querySelectorAll(DOMString selectors);

  //(Not implemented)Element?  find(DOMString selectors, optional (Element or sequence<Node>)? refNodes);
  //(Not implemented)NodeList  findAll(DOMString selectors, optional (Element or sequence<Node>)? refNodes);
};

// https://drafts.csswg.org/web-animations/#extensions-to-the-document-interface
partial interface Document {
  [Func="Document::AreWebAnimationsTimelinesEnabled"]
  readonly attribute DocumentTimeline timeline;
  [Func="Document::IsWebAnimationsGetAnimationsEnabled"]
  sequence<Animation> getAnimations();
};

// https://svgwg.org/svg2-draft/struct.html#InterfaceDocumentExtensions
partial interface Document {
  [BinaryName="SVGRootElement"]
  readonly attribute SVGSVGElement? rootElement;
};

//  Mozilla extensions of various sorts
partial interface Document {
  // XBL support.  Wish we could make these [ChromeOnly], but
  // that would likely break bindings running with the page principal.
  [Func="IsChromeOrXBL"]
  NodeList? getAnonymousNodes(Element elt);
  [Func="IsChromeOrXBL"]
  Element? getAnonymousElementByAttribute(Element elt, DOMString attrName,
                                          DOMString attrValue);
  [Func="IsChromeOrXBL"]
  Element? getBindingParent(Node node);
  [Throws, Func="IsChromeOrXBL", NeedsSubjectPrincipal]
  void loadBindingDocument(DOMString documentURL);
  // Creates a new XUL element regardless of the document's default type.
  [CEReactions, NewObject, Throws, Func="IsChromeOrXBL"]
  Element createXULElement(DOMString localName, optional (ElementCreationOptions or DOMString) options = {});
  // Wether the document was loaded using a nsXULPrototypeDocument.
  [ChromeOnly]
  readonly attribute boolean loadedFromPrototype;

  // The principal to use for the storage area of this document
  [ChromeOnly]
  readonly attribute Principal effectiveStoragePrincipal;

  // The principal to use for the content blocking allow list
  [ChromeOnly]
  readonly attribute Principal? contentBlockingAllowListPrincipal;

  // Touch bits
  // XXXbz I can't find the sane spec for this stuff, so just cribbing
  // from our xpidl for now.
  [NewObject, Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
  Touch createTouch(optional Window? view = null,
                    optional EventTarget? target = null,
                    optional long identifier = 0,
                    optional long pageX = 0,
                    optional long pageY = 0,
                    optional long screenX = 0,
                    optional long screenY = 0,
                    optional long clientX = 0,
                    optional long clientY = 0,
                    optional long radiusX = 0,
                    optional long radiusY = 0,
                    optional float rotationAngle = 0,
                    optional float force = 0);
  // XXXbz a hack to get around the fact that we don't support variadics as
  // distinguishing arguments yet.  Once this hack is removed. we can also
  // remove the corresponding overload on Document, since Touch... and
  // sequence<Touch> look the same in the C++.
  [NewObject, Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
  TouchList createTouchList(Touch touch, Touch... touches);
  // XXXbz and another hack for the fact that we can't usefully have optional
  // distinguishing arguments but need a working zero-arg form of
  // createTouchList().
  [NewObject, Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
  TouchList createTouchList();
  [NewObject, Func="nsGenericHTMLElement::LegacyTouchAPIEnabled"]
  TouchList createTouchList(sequence<Touch> touches);

  [ChromeOnly]
  attribute boolean styleSheetChangeEventsEnabled;

  [ChromeOnly] readonly attribute DOMString contentLanguage;

  [ChromeOnly] readonly attribute nsILoadGroup? documentLoadGroup;

  // Blocks the initial document parser until the given promise is settled.
  [ChromeOnly, Throws]
  Promise<any> blockParsing(Promise<any> promise,
                            optional BlockParsingOptions options = {});

  // like documentURI, except that for error pages, it returns the URI we were
  // trying to load when we hit an error, rather than the error page's own URI.
  [ChromeOnly] readonly attribute URI? mozDocumentURIIfNotForErrorPages;

  // A promise that is resolved, with this document itself, when we have both
  // fired DOMContentLoaded and are ready to start layout.  This is used for the
  // "document_idle" webextension script injection point.
  [ChromeOnly, Throws]
  readonly attribute Promise<Document> documentReadyForIdle;

  // Lazily created command dispatcher, returns null if the document is not
  // chrome privileged.
  [ChromeOnly]
  readonly attribute XULCommandDispatcher? commandDispatcher;

  [ChromeOnly]
  attribute Node? popupNode;

  // The JS debugger uses DOM mutation events to implement DOM mutation
  // breakpoints. This is used to avoid logging a warning that the user
  // cannot address and have no control over.
  [ChromeOnly]
  attribute boolean dontWarnAboutMutationEventsAndAllowSlowDOMMutations;

  /**
   * These attributes correspond to rangeParent and rangeOffset. They will help
   * you find where in the DOM the popup is happening. Can be accessed only
   * during a popup event. Accessing any other time will be an error.
   */
  [Throws, ChromeOnly]
  readonly attribute Node? popupRangeParent;
  [Throws, ChromeOnly]
  readonly attribute long  popupRangeOffset;
  [ChromeOnly]
  attribute Node? tooltipNode;
};

dictionary BlockParsingOptions {
  /**
   * If true, blocks script-created parsers (created via document.open()) in
   * addition to network-created parsers.
   */
  boolean blockScriptCreated = true;
};

// Extension to give chrome JS the ability to determine when a document was
// created to satisfy an iframe with srcdoc attribute.
partial interface Document {
  [ChromeOnly] readonly attribute boolean isSrcdocDocument;
};


// Extension to give chrome JS the ability to get the underlying
// sandbox flag attribute
partial interface Document {
  [ChromeOnly] readonly attribute DOMString? sandboxFlagsAsString;
};


/**
 * Chrome document anonymous content management.
 * This is a Chrome-only API that allows inserting fixed positioned anonymous
 * content on top of the current page displayed in the document.
 * The supplied content is cloned and inserted into the document's CanvasFrame.
 * Note that this only works for HTML documents.
 */
partial interface Document {
  /**
   * Deep-clones the provided element and inserts it into the CanvasFrame.
   * Returns an AnonymousContent instance that can be used to manipulate the
   * inserted element.
   */
  [ChromeOnly, NewObject, Throws]
  AnonymousContent insertAnonymousContent(Element aElement);

  /**
   * Removes the element inserted into the CanvasFrame given an AnonymousContent
   * instance.
   */
  [ChromeOnly, Throws]
  void removeAnonymousContent(AnonymousContent aContent);
};

// http://w3c.github.io/selection-api/#extensions-to-document-interface
partial interface Document {
  [Throws]
  Selection? getSelection();
};

// https://github.com/whatwg/html/issues/3338
partial interface Document {
  [Pref="dom.storage_access.enabled", Throws]
  Promise<boolean> hasStorageAccess();
  [Pref="dom.storage_access.enabled", Throws]
  Promise<void> requestStorageAccess();
};

enum DocumentAutoplayPolicy {
  "allowed",       // autoplay is currently allowed
  "allowed-muted", // muted video autoplay is currently allowed
  "disallowed"     // autoplay is not current allowed
};

// https://github.com/WICG/autoplay/issues/1
partial interface Document {
  [Pref="dom.media.autoplay.autoplay-policy-api"]
  readonly attribute DocumentAutoplayPolicy autoplayPolicy;
};

// Extension to give chrome JS the ability to determine whether
// the user has interacted with the document or not.
partial interface Document {
  [ChromeOnly] readonly attribute boolean userHasInteracted;
};

// Extension to give chrome JS the ability to simulate activate the docuement
// by user gesture.
partial interface Document {
  [ChromeOnly]
  void notifyUserGestureActivation();
  // For testing only.
  [ChromeOnly]
  void clearUserGestureActivation();
};

// Extension to give chrome JS the ability to set an event handler which is
// called with certain events that happened while events were suppressed in the
// document or one of its subdocuments.
partial interface Document {
  [ChromeOnly]
  void setSuppressedEventListener(EventListener? aListener);
};

// Extension to give chrome and XBL JS the ability to determine whether
// the document is sandboxed without permission to run scripts
// and whether inline scripts are blocked by the document's CSP.
partial interface Document {
  [Func="IsChromeOrXBL"] readonly attribute boolean hasScriptsBlockedBySandbox;
  [Func="IsChromeOrXBL"] readonly attribute boolean inlineScriptAllowedByCSP;
};

// Allows frontend code to query a CSP which needs to be passed for a
// new load into docshell. Further, allows to query the CSP in JSON
// format for testing purposes.
partial interface Document {
  [ChromeOnly] readonly attribute ContentSecurityPolicy? csp;
  [ChromeOnly] readonly attribute DOMString cspJSON;
};

// For more information on Flash classification, see
// toolkit/components/url-classifier/flash-block-lists.rst
enum FlashClassification {
  "unknown",        // Site is not on the whitelist or blacklist
  "allowed",        // Site is on the Flash whitelist
  "denied"          // Site is on the Flash blacklist
};
partial interface Document {
  [ChromeOnly]
  readonly attribute FlashClassification documentFlashClassification;
};

partial interface Document {
  [Func="Document::DocumentSupportsL10n"] readonly attribute DocumentL10n? l10n;
};

Document implements XPathEvaluator;
Document implements GlobalEventHandlers;
Document implements DocumentAndElementEventHandlers;
Document implements TouchEventHandlers;
Document implements ParentNode;
Document implements OnErrorEventHandlerForNodes;
Document implements GeometryUtils;
Document implements FontFaceSource;
Document implements DocumentOrShadowRoot;

// https://w3c.github.io/webappsec-feature-policy/#idl-index
partial interface Document {
    [SameObject, Pref="dom.security.featurePolicy.webidl.enabled"]
    readonly attribute FeaturePolicy featurePolicy;
};

/**
 * Document extensions to support devtools.
 */
partial interface Document {
  // Is the Document embedded in a Responsive Design Mode pane. This property
  // is not propegated to descendant Documents upon settting.
  [ChromeOnly]
  attribute boolean inRDMPane;
  // Extension to give chrome JS the ability to set the window screen
  // orientation while in RDM.
  [ChromeOnly]
  void setRDMPaneOrientation(OrientationType type, float rotationAngle);
};

// Extension to give chrome JS the ability to specify a non-default keypress
// event model.
partial interface Document {
  /**
   * setKeyPressEventModel() is called when we need to check whether the web
   * app requires specific keypress event model or not.
   *
   * @param aKeyPressEventModel  Proper keypress event model for the web app.
   *   KEYPRESS_EVENT_MODEL_DEFAULT:
   *     Use default keypress event model.  I.e., depending on
   *     "dom.keyboardevent.keypress.set_keycode_and_charcode_to_same_value"
   *     pref.
   *   KEYPRESS_EVENT_MODEL_SPLIT:
   *     Use split model.  I.e, if keypress event inputs a character,
   *     keyCode should be 0.  Otherwise, charCode should be 0.
   *   KEYPRESS_EVENT_MODEL_CONFLATED:
   *     Use conflated model.  I.e., keyCode and charCode values of each
   *     keypress event should be set to same value.
   */
  [ChromeOnly]
  const unsigned short KEYPRESS_EVENT_MODEL_DEFAULT = 0;
  [ChromeOnly]
  const unsigned short KEYPRESS_EVENT_MODEL_SPLIT = 1;
  [ChromeOnly]
  const unsigned short KEYPRESS_EVENT_MODEL_CONFLATED = 2;
  [ChromeOnly]
  void setKeyPressEventModel(unsigned short aKeyPressEventModel);
};

// Extensions to return information about about the nodes blocked by the
// Safebrowsing API inside a document.
partial interface Document {
  /*
   * Number of nodes that have been blocked by the Safebrowsing API to prevent
   * tracking, cryptomining and so on. This method is for testing only.
   */
  [ChromeOnly, Pure]
  readonly attribute long blockedNodeByClassifierCount;

  /*
   * List of nodes that have been blocked by the Safebrowsing API to prevent
   * tracking, fingerprinting, cryptomining and so on. This method is for
   * testing only.
   */
  [ChromeOnly, Pure]
  readonly attribute NodeList blockedNodesByClassifier;
};

// Extension to programmatically simulate a user interaction on a document,
// used for testing.
partial interface Document {
  [ChromeOnly, BinaryName="setUserHasInteracted"]
  void userInteractionForTesting();
};