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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __inDeepTreeWalker_h___
#define __inDeepTreeWalker_h___
#include "inIDeepTreeWalker.h"
#include "nsCOMPtr.h"
#include "nsINode.h"
#include "nsTArray.h"
class nsINodeList;
class inDeepTreeWalker final : public inIDeepTreeWalker {
public:
NS_DECL_ISUPPORTS
NS_DECL_INIDEEPTREEWALKER
inDeepTreeWalker();
nsresult SetCurrentNode(nsINode* aCurrentNode, nsINodeList* aSiblings);
protected:
virtual ~inDeepTreeWalker();
already_AddRefed<nsINode> GetParent();
nsresult EdgeChild(nsINode** _retval, bool aReverse);
bool mShowAnonymousContent;
bool mShowSubDocuments;
bool mShowDocumentsAsNodes;
// The root node. previousNode and parentNode will return
// null from here.
nsCOMPtr<nsINode> mRoot;
nsCOMPtr<nsINode> mCurrentNode;
// We cache the siblings of mCurrentNode as a list of nodes.
// Notes: normally siblings are all the children of the parent
// of mCurrentNode (that are interesting for use for the walk)
// and mCurrentIndex is the index of mCurrentNode in that list
// But if mCurrentNode is a (sub) document then instead of
// storing a list that has only one element (the document)
// and setting mCurrentIndex to null, we set mSibilings to null.
// The reason for this is purely technical, since nsINodeList is
// nsIContent based hence we cannot use it to store a document node.
nsCOMPtr<nsINodeList> mSiblings;
// Index of mCurrentNode in the mSiblings list.
int32_t mCurrentIndex;
// Currently unused. Should be a filter for nodes.
uint32_t mWhatToShow;
};
// {BFCB82C2-5611-4318-90D6-BAF4A7864252}
#define IN_DEEPTREEWALKER_CID \
{ \
0xbfcb82c2, 0x5611, 0x4318, { \
0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 \
} \
}
#endif // __inDeepTreeWalker_h___
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