1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/base/src/nsTraversal.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,48 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +/*
1.11 + * Implementation of DOM Traversal's nsIDOMTreeWalker
1.12 + */
1.13 +
1.14 +#ifndef nsTraversal_h___
1.15 +#define nsTraversal_h___
1.16 +
1.17 +#include "nsCOMPtr.h"
1.18 +#include "nsIDocument.h"
1.19 +#include "mozilla/dom/CallbackObject.h"
1.20 +#include "mozilla/ErrorResult.h"
1.21 +#include "mozilla/dom/NodeFilterBinding.h"
1.22 +#include "nsIDOMNodeFilter.h"
1.23 +
1.24 +class nsINode;
1.25 +
1.26 +class nsTraversal
1.27 +{
1.28 +public:
1.29 + nsTraversal(nsINode *aRoot,
1.30 + uint32_t aWhatToShow,
1.31 + const mozilla::dom::NodeFilterHolder &aFilter);
1.32 + virtual ~nsTraversal();
1.33 +
1.34 +protected:
1.35 + nsCOMPtr<nsINode> mRoot;
1.36 + uint32_t mWhatToShow;
1.37 + mozilla::dom::NodeFilterHolder mFilter;
1.38 + bool mInAcceptNode;
1.39 +
1.40 + /*
1.41 + * Tests if and how a node should be filtered. Uses mWhatToShow and
1.42 + * mFilter to test the node.
1.43 + * @param aNode Node to test
1.44 + * @param aResult Whether we succeeded
1.45 + * @returns Filtervalue. See nsIDOMNodeFilter.idl
1.46 + */
1.47 + int16_t TestNode(nsINode* aNode, mozilla::ErrorResult& aResult);
1.48 +};
1.49 +
1.50 +#endif
1.51 +
