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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
#include "domstubs.idl"
interface nsIPrincipal;
webidl Element;
webidl WindowGlobalParent;
webidl BrowsingContext;
[builtinclass, scriptable, uuid(8e49f7b0-1f98-4939-bf91-e9c39cd56434)]
interface nsIRemoteTab : nsISupports
{
/**
* When set to true, this tells the child to paint and upload layers to
* the compositor. When set to false, previous layers are cleared from
* the compositor, but only if preserveLayers is also set to false.
*/
attribute boolean renderLayers;
/**
* True if layers are being rendered and the compositor has reported
* receiving them.
*/
readonly attribute boolean hasLayers;
/**
* When set to true, this priority hint indicates that the content
* processes of this tab should be set to a higher process priority.
*/
attribute boolean priorityHint;
/**
* Adjusts the tab's active state in the process priority manager,
* allowing its process to be given a lower priority.
*/
void deprioritize();
/**
* 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);
readonly attribute uint64_t tabId;
readonly attribute uint64_t contentProcessId;
/**
* The OS level process Id of the related child process.
*/
readonly attribute int32_t osPid;
/**
* The toplevel BrowsingContext loaded in this remote tab.
*/
readonly attribute BrowsingContext browsingContext;
/**
* True if we've previously received layers for this tab when switching to
* it.
*/
readonly attribute boolean hasPresented;
/**
* Ensures that the content process which has this remote tab has all of the
* permissions required to load a document with the given principal.
*/
void transmitPermissionsForPrincipal(in nsIPrincipal aPrincipal);
/**
* Similar to `nsIDocShell.createAboutBlankDocumentViewer` but on a remote
* frame. The docShell must not yet have navigated away from the initial
* about:blank document when this method is called.
*
* @param aPrincipal the principal to use for the new document.
* @param aPartitionedPrincipal the partitioned principal to use for the new
* document.
*/
void createAboutBlankDocumentViewer(in nsIPrincipal aPrincipal,
in nsIPrincipal aPartitionedPrincipal);
cenum NavigationType : 8 {
NAVIGATE_BACK = 0,
NAVIGATE_FORWARD = 1,
NAVIGATE_INDEX = 2,
NAVIGATE_URL = 3
};
/**
* Interrupt content scripts if possible/needed to allow chrome scripts in the
* content process to run (in particular, to allow navigating through browser
* history.
*/
[implicit_jscontext, binaryname(MaybeCancelContentJSExecutionFromScript)]
void maybeCancelContentJSExecution(
in nsIRemoteTab_NavigationType aNavigationType,
[optional] in jsval aCancelContentJSOptions);
/**
* Notify the remote tab that the resolution has changed.
*/
[noscript] void notifyResolutionChanged();
};