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76 lines
2.8 KiB
Plaintext
76 lines
2.8 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIDocShellTreeItem;
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/**
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* The nsIDocShellTreeNode supplies the methods for interacting with children
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* of a docshell. These are essentially the methods that turn a single docshell
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* into a docshell tree.
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*/
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/*
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* Long-term, we probably want to merge this interface into
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* nsIDocShellTreeItem. Need to eliminate uses of this interface
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* first.
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*/
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[scriptable, uuid(37f1ab73-f224-44b1-82f0-d2834ab1cec0)]
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interface nsIDocShellTreeNode : nsISupports
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{
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/*
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The current number of DocShells which are immediate children of the
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this object.
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*/
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readonly attribute long childCount;
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/*
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Add a new child DocShellTreeItem. Adds to the end of the list.
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Note that this does NOT take a reference to the child. The child stays
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alive only as long as it's referenced from outside the docshell tree.
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@throws NS_ERROR_ILLEGAL_VALUE if child corresponds to the same
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object as this treenode or an ancestor of this treenode
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@throws NS_ERROR_UNEXPECTED if this node is a leaf in the tree.
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*/
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void addChild(in nsIDocShellTreeItem child);
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/*
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Removes a child DocShellTreeItem.
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@throws NS_ERROR_UNEXPECTED if this node is a leaf in the tree.
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*/
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void removeChild(in nsIDocShellTreeItem child);
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/**
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* Return the child at the index requested. This is 0-based.
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*
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* @throws NS_ERROR_UNEXPECTED if the index is out of range
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*/
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nsIDocShellTreeItem getChildAt(in long index);
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/*
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Return the child DocShellTreeItem with the specified name.
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aName - This is the name of the item that is trying to be found.
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aRecurse - Is used to tell the function to recurse through children.
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Note, recursion will only happen through items of the same type.
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aSameType - If this is set only children of the same type will be returned.
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aRequestor - This is the docshellTreeItem that is requesting the find. This
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parameter is used when recursion is being used to avoid searching the same
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tree again when a child has asked a parent to search for children.
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aOriginalRequestor - The original treeitem that made the request, if any.
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This is used to ensure that we don't run into cross-site issues.
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Note the search is depth first when recursing.
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*/
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nsIDocShellTreeItem findChildWithName(in wstring aName,
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in boolean aRecurse,
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in boolean aSameType,
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in nsIDocShellTreeItem aRequestor,
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in nsIDocShellTreeItem aOriginalRequestor);
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};
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