gecko-dev/docshell/base/nsIDocShellTreeOwner.idl
2024-04-04 18:45:21 +00:00

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/* -*- Mode: IDL; tab-width: 4; 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/. */
#include "nsISupports.idl"
/**
* The nsIDocShellTreeOwner
*/
interface nsIDocShellTreeItem;
interface nsIRemoteTab;
webidl BrowsingContext;
[scriptable, uuid(0e3dc4b1-4cea-4a37-af71-79f0afd07574)]
interface nsIDocShellTreeOwner : nsISupports
{
/**
* Called when a content shell is added to the docshell tree. This is
* _only_ called for "root" content shells (that is, ones whose parent is a
* chrome shell).
*
* @param aContentShell the shell being added.
* @param aPrimary whether the shell is primary.
*/
void contentShellAdded(in nsIDocShellTreeItem aContentShell,
in boolean aPrimary);
/**
* Called when a content shell is removed from the docshell tree. This is
* _only_ called for "root" content shells (that is, ones whose parent is a
* chrome shell). Note that if aContentShell was never added,
* contentShellRemoved should just do nothing.
*
* @param aContentShell the shell being removed.
*/
void contentShellRemoved(in nsIDocShellTreeItem aContentShell);
/*
Returns the Primary Content Shell
*/
readonly attribute nsIDocShellTreeItem primaryContentShell;
void remoteTabAdded(in nsIRemoteTab aTab, in boolean aPrimary);
void remoteTabRemoved(in nsIRemoteTab aTab);
/*
In multiprocess case we may not have primaryContentShell but
primaryRemoteTab.
*/
readonly attribute nsIRemoteTab primaryRemoteTab;
/*
Get the BrowsingContext associated with either the primary content shell or
primary remote tab, depending on which is available.
*/
readonly attribute BrowsingContext primaryContentBrowsingContext;
/*
Tells the tree owner to size its window or parent window in such a way
that the shell passed along will be the size specified.
*/
[can_run_script]
void sizeShellTo(in nsIDocShellTreeItem shell, in long cx, in long cy);
/*
Gets the size of the primary content area in device pixels. This should work
for both in-process and out-of-process content areas.
*/
void getPrimaryContentSize(out long width, out long height);
/*
Sets the size of the primary content area in device pixels. This should work
for both in-process and out-of-process content areas.
*/
void setPrimaryContentSize(in long width, in long height);
/*
Gets the size of the root docshell in device pixels.
*/
void getRootShellSize(out long width, out long height);
/*
Sets the size of the root docshell in device pixels.
*/
void setRootShellSize(in long width, in long height);
/*
Sets the persistence of different attributes of the window.
*/
void setPersistence(in boolean aPersistPosition,
in boolean aPersistSize,
in boolean aPersistSizeMode);
/*
Gets the current persistence states of the window.
*/
void getPersistence(out boolean aPersistPosition,
out boolean aPersistSize,
out boolean aPersistSizeMode);
/*
Gets the number of tabs currently open in our window, assuming
this tree owner has such a concept.
*/
readonly attribute unsigned long tabCount;
/*
Returns true if there is a primary content shell or a primary
remote tab.
*/
readonly attribute boolean hasPrimaryContent;
};