66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
/* 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 "nsIDOMNode.h"
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#include "nsTArray.h"
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class nsINodeList;
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class inIDOMUtils;
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class inDeepTreeWalker final : public inIDeepTreeWalker
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{
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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(nsIDOMNode* aCurrentNode,
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nsINodeList* aSiblings);
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protected:
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virtual ~inDeepTreeWalker();
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already_AddRefed<nsIDOMNode> GetParent();
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nsresult EdgeChild(nsIDOMNode** _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<nsIDOMNode> mRoot;
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nsCOMPtr<nsIDOMNode> mCurrentNode;
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nsCOMPtr<inIDOMUtils> mDOMUtils;
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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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{ 0xbfcb82c2, 0x5611, 0x4318, { 0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 } }
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#endif // __inDeepTreeWalker_h___
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