author Jeremy Chen <>
Tue, 29 Sep 2015 23:23:00 +0200
changeset 266831 e9bd3f3709c3d862db6c831f7f48bf348b69dcf4
parent 234933 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
child 388790 905239391e05483e8fb221378dd2092c5a0df8b7
permissions -rw-r--r--
Bug 1195653 - Part1.3: Add isMask attribute field to LayerScopePacket.proto. r=dglastonbury (v2, carry r+)

/* 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 */

#ifndef __inDeepTreeWalker_h___
#define __inDeepTreeWalker_h___

#include "inIDeepTreeWalker.h"

#include "nsCOMPtr.h"
#include "nsIDOMNode.h"
#include "nsTArray.h"

class nsINodeList;
class inIDOMUtils;

class inDeepTreeWalker final : public inIDeepTreeWalker


  nsresult SetCurrentNode(nsIDOMNode* aCurrentNode,
                          nsINodeList* aSiblings);
  virtual ~inDeepTreeWalker();

  already_AddRefed<nsIDOMNode> GetParent();
  nsresult EdgeChild(nsIDOMNode** _retval, bool aReverse);

  bool mShowAnonymousContent;
  bool mShowSubDocuments;
  bool mShowDocumentsAsNodes;

  // The root node. previousNode and parentNode will return
  // null from here.
  nsCOMPtr<nsIDOMNode> mRoot;
  nsCOMPtr<nsIDOMNode> mCurrentNode;
  nsCOMPtr<inIDOMUtils> mDOMUtils;

  // 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}
{ 0xbfcb82c2, 0x5611, 0x4318, { 0x90, 0xd6, 0xba, 0xf4, 0xa7, 0x86, 0x42, 0x52 } }

#endif // __inDeepTreeWalker_h___