forked from mirrors/gecko-dev
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef __inDeepTreeWalker_h___
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#define __inDeepTreeWalker_h___
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#include "inIDeepTreeWalker.h"
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#include "nsCOMPtr.h"
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#include "nsINode.h"
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#include "nsTArray.h"
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class nsINodeList;
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class inDeepTreeWalker final : public inIDeepTreeWalker {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_INIDEEPTREEWALKER
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inDeepTreeWalker();
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nsresult SetCurrentNode(nsINode* aCurrentNode, nsINodeList* aSiblings);
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protected:
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virtual ~inDeepTreeWalker();
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already_AddRefed<nsINode> GetParent();
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nsresult EdgeChild(nsINode** _retval, bool aReverse);
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bool mShowAnonymousContent;
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bool mShowSubDocuments;
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bool mShowDocumentsAsNodes;
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// The root node. previousNode and parentNode will return
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// null from here.
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nsCOMPtr<nsINode> mRoot;
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nsCOMPtr<nsINode> mCurrentNode;
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// We cache the siblings of mCurrentNode as a list of nodes.
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// Notes: normally siblings are all the children of the parent
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// of mCurrentNode (that are interesting for use for the walk)
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// and mCurrentIndex is the index of mCurrentNode in that list
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// But if mCurrentNode is a (sub) document then instead of
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// storing a list that has only one element (the document)
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// and setting mCurrentIndex to null, we set mSibilings to null.
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// The reason for this is purely technical, since nsINodeList is
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// nsIContent based hence we cannot use it to store a document node.
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nsCOMPtr<nsINodeList> mSiblings;
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// Index of mCurrentNode in the mSiblings list.
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int32_t mCurrentIndex;
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// Currently unused. Should be a filter for nodes.
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uint32_t mWhatToShow;
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};
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// {BFCB82C2-5611-4318-90D6-BAF4A7864252}
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#define IN_DEEPTREEWALKER_CID \
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{ \
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0xbfcb82c2, 0x5611, 0x4318, { \
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0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 \
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} \
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}
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#endif // __inDeepTreeWalker_h___
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