LCOV - code coverage report
Current view: directory - layout/base - nsStyleChangeList.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       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
      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                 : /*
      39                 :  * a list of the recomputation that needs to be done in response to a
      40                 :  * style change
      41                 :  */
      42                 : 
      43                 : #ifndef nsStyleChangeList_h___
      44                 : #define nsStyleChangeList_h___
      45                 : 
      46                 : #include "mozilla/Attributes.h"
      47                 : 
      48                 : #include "nsError.h"
      49                 : #include "nsChangeHint.h"
      50                 : 
      51                 : class nsIFrame;
      52                 : class nsIContent;
      53                 : 
      54                 : // XXX would all platforms support putting this inside the list?
      55                 : struct nsStyleChangeData {
      56                 :   nsIFrame*   mFrame;
      57                 :   nsIContent* mContent;
      58                 :   nsChangeHint mHint;
      59                 : };
      60                 : 
      61                 : static const PRUint32 kStyleChangeBufferSize = 10;
      62                 : 
      63                 : // Note:  nsStyleChangeList owns a reference to
      64                 : //  nsIContent pointers in its list.
      65                 : class nsStyleChangeList {
      66                 : public:
      67                 :   nsStyleChangeList();
      68                 :   ~nsStyleChangeList();
      69                 : 
      70               0 :   PRInt32 Count(void) const {
      71               0 :     return mCount;
      72                 :   }
      73                 : 
      74                 :   /**
      75                 :    * Fills in pointers without reference counting.  
      76                 :    */
      77                 :   nsresult ChangeAt(PRInt32 aIndex, nsIFrame*& aFrame, nsIContent*& aContent,
      78                 :                     nsChangeHint& aHint) const;
      79                 : 
      80                 :   /**
      81                 :    * Fills in a pointer to the list entry storage (no reference counting
      82                 :    * involved).
      83                 :    */
      84                 :   nsresult ChangeAt(PRInt32 aIndex, const nsStyleChangeData** aChangeData) const;
      85                 : 
      86                 :   nsresult AppendChange(nsIFrame* aFrame, nsIContent* aContent, nsChangeHint aHint);
      87                 : 
      88                 :   void Clear(void);
      89                 : 
      90                 : protected:
      91                 :   nsStyleChangeList&  operator=(const nsStyleChangeList& aCopy);
      92                 :   bool                operator==(const nsStyleChangeList& aOther) const;
      93                 : 
      94                 :   nsStyleChangeData*  mArray;
      95                 :   PRInt32             mArraySize;
      96                 :   PRInt32             mCount;
      97                 :   nsStyleChangeData   mBuffer[kStyleChangeBufferSize];
      98                 : 
      99                 : private:
     100                 :   nsStyleChangeList(const nsStyleChangeList&) MOZ_DELETE;
     101                 : };
     102                 : 
     103                 : 
     104                 : #endif /* nsStyleChangeList_h___ */

Generated by: LCOV version 1.7