LCOV - code coverage report
Current view: directory - editor/txtsvc/src - nsFilteredContentIterator.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 1 25.0 %
Date: 2012-06-02 Functions: 7 1 14.3 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef nsFilteredContentIterator_h__
      39                 : #define nsFilteredContentIterator_h__
      40                 : 
      41                 : #include "nsIContentIterator.h"
      42                 : #include "nsCOMPtr.h"
      43                 : #include "nsIAtom.h"
      44                 : #include "nsITextServicesFilter.h"
      45                 : #include "nsRange.h"
      46                 : #include "nsCycleCollectionParticipant.h"
      47                 : 
      48                 : /**
      49                 :  * 
      50                 :  */
      51                 : class nsFilteredContentIterator : public nsIContentIterator
      52                 : {
      53                 : public:
      54                 : 
      55                 :   // nsISupports interface...
      56               0 :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      57            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS(nsFilteredContentIterator)
      58                 : 
      59                 :   nsFilteredContentIterator(nsITextServicesFilter* aFilter);
      60                 : 
      61                 :   virtual ~nsFilteredContentIterator();
      62                 : 
      63                 :   /* nsIContentIterator */
      64                 :   virtual nsresult Init(nsINode* aRoot);
      65                 :   virtual nsresult Init(nsIDOMRange* aRange);
      66                 :   virtual void First();
      67                 :   virtual void Last();
      68                 :   virtual void Next();
      69                 :   virtual void Prev();
      70                 :   virtual nsINode *GetCurrentNode();
      71                 :   virtual bool IsDone();
      72                 :   virtual nsresult PositionAt(nsINode* aCurNode);
      73                 : 
      74                 :   /* Helpers */
      75               0 :   bool DidSkip()      { return mDidSkip; }
      76               0 :   void         ClearDidSkip() {  mDidSkip = false; }
      77                 : 
      78                 : protected:
      79                 :   nsFilteredContentIterator() { }
      80                 : 
      81                 :   // enum to give us the direction
      82                 :   typedef enum {eDirNotSet, eForward, eBackward} eDirectionType;
      83                 :   nsresult AdvanceNode(nsIDOMNode* aNode, nsIDOMNode*& aNewNode, eDirectionType aDir);
      84                 :   void CheckAdvNode(nsIDOMNode* aNode, bool& aDidSkip, eDirectionType aDir);
      85                 :   nsresult SwitchDirections(bool aChangeToForward);
      86                 : 
      87                 :   nsCOMPtr<nsIContentIterator> mCurrentIterator;
      88                 :   nsCOMPtr<nsIContentIterator> mIterator;
      89                 :   nsCOMPtr<nsIContentIterator> mPreIterator;
      90                 : 
      91                 :   nsCOMPtr<nsIAtom> mBlockQuoteAtom;
      92                 :   nsCOMPtr<nsIAtom> mScriptAtom;
      93                 :   nsCOMPtr<nsIAtom> mTextAreaAtom;
      94                 :   nsCOMPtr<nsIAtom> mSelectAreaAtom;
      95                 :   nsCOMPtr<nsIAtom> mMapAtom;
      96                 : 
      97                 :   nsCOMPtr<nsITextServicesFilter> mFilter;
      98                 :   nsCOMPtr<nsIDOMRange>           mRange;
      99                 :   bool                            mDidSkip;
     100                 :   bool                            mIsOutOfRange;
     101                 :   eDirectionType                  mDirection;
     102                 : };
     103                 : 
     104                 : #endif

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