46 lines
1.8 KiB
Plaintext
46 lines
1.8 KiB
Plaintext
/* 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 nsIDOMNode;
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// Note: the iterator does not handle DOM mutations gracefully. So if
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// the underlying DOM we are iterating over is changed, the behavior
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// of the walker is undefined. (With the current implementation we
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// cache the siblings of the current node and this list is not updated
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// when a mutation occurs).
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[scriptable, uuid(6657e8eb-b646-48e7-993e-cfa6e96415b4)]
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interface inIDeepTreeWalker : nsISupports
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{
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attribute boolean showAnonymousContent;
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attribute boolean showSubDocuments;
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// By default the walker skips document nodes from the iteration,
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// by setting this flag to true this behavior can be altered.
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attribute boolean showDocumentsAsNodes;
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void init(in nsIDOMNode aRoot, in unsigned long aWhatToShow);
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// Methods and attributes that look like TreeWalker.
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// Note: normally parentNode cannot go further up on the tree once it reached
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// the root, but setting currentNode does not have this limitation. If currentNode
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// is set to a node that does not have the root as its ancestor the walk can be
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// continued from there, and once we reach a node that is 'under' the root, the
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// limitation for the parentNode will work again.
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readonly attribute nsIDOMNode root;
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readonly attribute unsigned long whatToShow;
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attribute nsIDOMNode currentNode;
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nsIDOMNode parentNode();
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nsIDOMNode firstChild();
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nsIDOMNode lastChild();
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nsIDOMNode previousSibling();
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nsIDOMNode nextSibling();
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nsIDOMNode previousNode();
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nsIDOMNode nextNode();
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};
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