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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 Principal;
interface URI;
interface nsIDocShell;
interface RemoteTab;
interface nsIDOMProcessParent;
[Exposed=Window, ChromeOnly]
interface WindowContext {
readonly attribute BrowsingContext? browsingContext;
readonly attribute WindowGlobalChild? windowGlobalChild; // in-process only
readonly attribute unsigned long long innerWindowId;
readonly attribute WindowContext? parentWindowContext;
readonly attribute WindowContext topWindowContext;
readonly attribute boolean isInProcess;
// True if this WindowContext is currently frozen in the BFCache.
readonly attribute boolean isInBFCache;
// True if this window has registered a "beforeunload" event handler.
readonly attribute boolean hasBeforeUnload;
// True if the principal of this window is for a local ip address.
readonly attribute boolean isLocalIP;
readonly attribute boolean shouldResistFingerprinting;
/**
* Partially determines whether script execution is allowed in this
* BrowsingContext. Script execution will be permitted only if this
* attribute is true and script execution is allowed in the owner
* BrowsingContext.
*
* May only be set in the context's owning process.
*/
[SetterThrows] attribute boolean allowJavascript;
};
// Keep this in sync with nsIContentViewer::PermitUnloadAction.
enum PermitUnloadAction {
"prompt",
"dontUnload",
"unload",
};
[Exposed=Window, ChromeOnly]
interface WindowGlobalParent : WindowContext {
readonly attribute boolean isClosed;
readonly attribute boolean isCurrentGlobal;
readonly attribute unsigned long long outerWindowId;
readonly attribute unsigned long long contentParentId;
readonly attribute long osPid;
// A WindowGlobalParent is the root in its process if it has no parent, or its
// embedder is in a different process.
readonly attribute boolean isProcessRoot;
// Is the document loaded in this WindowGlobalParent the initial document
// implicitly created while "creating a new browsing context".
// https://html.spec.whatwg.org/multipage/browsers.html#creating-a-new-browsing-context
readonly attribute boolean isInitialDocument;
readonly attribute FrameLoader? rootFrameLoader; // Embedded (browser) only
readonly attribute WindowGlobalChild? childActor; // in-process only
// Checks for any WindowContexts with "beforeunload" listeners in this
// WindowGlobal's subtree. If any exist, a "beforeunload" event is
// dispatched to them. If any of those request to block the navigation,
// displays a prompt to the user. Returns a boolean which resolves to true
// if the navigation should be allowed.
//
// If `timeout` is greater than 0, it is the maximum time (in milliseconds)
// we will wait for a child process to respond with a request to block
// navigation before proceeding. If the user needs to be prompted, however,
// the promise will not resolve until the user has responded, regardless of
// the timeout.
[NewObject]
Promise<boolean> permitUnload(optional PermitUnloadAction action = "prompt",
optional unsigned long timeout = 0);
// Information about the currently loaded document.
readonly attribute Principal documentPrincipal;
readonly attribute Principal documentStoragePrincipal;
readonly attribute Principal? contentBlockingAllowListPrincipal;
readonly attribute URI? documentURI;
readonly attribute DOMString documentTitle;
readonly attribute nsICookieJarSettings? cookieJarSettings;
// True if the the currently loaded document is in fullscreen.
attribute boolean fullscreen;
// Bit mask containing content blocking events that are recorded in
// the document's content blocking log.
readonly attribute unsigned long contentBlockingEvents;
// String containing serialized content blocking log.
readonly attribute DOMString contentBlockingLog;
// DOM Process which this window was loaded in. Will be either InProcessParent
// for windows loaded in the parent process, or ContentParent for windows
// loaded in the content process.
readonly attribute nsIDOMProcessParent? domProcess;
static WindowGlobalParent? getByInnerWindowId(unsigned long long innerWindowId);
/**
* Get or create the JSWindowActor with the given name.
*
* See WindowActorOptions from JSWindowActor.webidl for details on how to
* customize actor creation.
*/
[Throws]
JSWindowActorParent getActor(UTF8String name);
JSWindowActorParent? getExistingActor(UTF8String name);
/**
* Renders a region of the frame into an image bitmap.
*
* @param rect Specify the area of the document to render, in CSS pixels,
* relative to the page. If null, the currently visible viewport is rendered.
* @param scale The scale to render the window at. Use devicePixelRatio
* to have comparable rendering to the OS.
* @param backgroundColor The background color to use.
* @param resetScrollPosition If true, temporarily resets the scroll position
* of the root scroll frame to 0, such that position:fixed elements are drawn
* at their initial position. This parameter only takes effect when passing a
* non-null rect.
*
* This API can only be used in the parent process, as content processes
* cannot access the rendering of out of process iframes. This API works
* with remote and local frames.
*/
[NewObject]
Promise<ImageBitmap> drawSnapshot(DOMRect? rect,
double scale,
UTF8String backgroundColor,
optional boolean resetScrollPosition = false);
// True if any of the windows in the subtree rooted at this window
// has active peer connections. If this is called for a non-top-level
// context, it always returns false.
boolean hasActivePeerConnections();
};
[Exposed=Window, ChromeOnly]
interface WindowGlobalChild {
readonly attribute boolean isClosed;
readonly attribute boolean isInProcess;
readonly attribute BrowsingContext browsingContext;
readonly attribute WindowContext windowContext;
readonly attribute boolean isCurrentGlobal;
readonly attribute unsigned long long innerWindowId;
readonly attribute unsigned long long outerWindowId;
readonly attribute unsigned long long contentParentId;
// A WindowGlobalChild is the root in its process if it has no parent, or its
// embedder is in a different process.
readonly attribute boolean isProcessRoot;
// Is this WindowGlobalChild same-origin with `window.top`?
readonly attribute boolean sameOriginWithTop;
readonly attribute WindowGlobalParent? parentActor; // in-process only
static WindowGlobalChild? getByInnerWindowId(unsigned long long innerWIndowId);
BrowsingContext? findBrowsingContextWithName(DOMString name);
/**
* Get or create the JSWindowActor with the given name.
*
* See WindowActorOptions from JSWindowActor.webidl for details on how to
* customize actor creation.
*/
[Throws]
JSWindowActorChild getActor(UTF8String name);
JSWindowActorChild? getExistingActor(UTF8String name);
};
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