gecko-dev/dom/interfaces/base/nsITabParent.idl

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/* 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/. */
#include "domstubs.idl"
[builtinclass, scriptable, uuid(8e49f7b0-1f98-4939-bf91-e9c39cd56434)]
interface nsITabParent : nsISupports
{
void getChildProcessOffset(out int32_t aCssX, out int32_t aCssY);
readonly attribute boolean useAsyncPanZoom;
/**
* Manages the docshell active state of the remote browser.
*/
attribute boolean docShellIsActive;
/**
* Whether this tabParent is in prerender mode.
*/
[infallible] readonly attribute boolean isPrerendered;
/**
* As an optimisation, setting the docshell's active state to
* inactive also triggers a layer invalidation to free up some
* potentially unhelpful memory usage. Calling preserveLayers
* will cause the layers to be preserved even for inactive
* docshells.
*/
void preserveLayers(in boolean aPreserveLayers);
/**
* During interactions where painting performance
* is more important than scrolling, we may temporarily
* suppress the displayport. Each enable called must be matched
* with a disable call.
*/
void suppressDisplayport(in bool aEnabled);
readonly attribute uint64_t tabId;
/**
* The OS level process Id of the related child process.
*/
readonly attribute int32_t osPid;
/**
* Navigate by key. If aForDocumentNavigation is true, navigate by document.
* If aForDocumentNavigation is false, navigate by element.
*
* If aForward is true, navigate to the first focusable element or document.
* If aForward is false, navigate to the last focusable element or document.
*/
void navigateByKey(in bool aForward, in bool aForDocumentNavigation);
readonly attribute boolean hasContentOpener;
};