layout/tables/FixedTableLayoutStrategy.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 // vim:cindent:ts=4:et:sw=4:
   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Mozilla's table layout code.
  17  *
  18  * The Initial Developer of the Original Code is the Mozilla Foundation.
  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   L. David Baron <dbaron@dbaron.org> (original author)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 /*
  40  * Algorithms that determine column and table widths used for CSS2's
  41  * 'table-layout: fixed'.
  42  */
  43
  44 #ifndef FixedTableLayoutStrategy_h_
  45 #define FixedTableLayoutStrategy_h_
  46
  47 #include "nsITableLayoutStrategy.h"
  48
  49 class nsTableFrame;
  50
  51 class FixedTableLayoutStrategy : public nsITableLayoutStrategy
  52 {
  53 public:
  54     FixedTableLayoutStrategy(nsTableFrame *aTableFrame);
  55     virtual ~FixedTableLayoutStrategy();
  56
  57     // nsITableLayoutStrategy implementation
  58     virtual nscoord GetMinWidth(nsIRenderingContext* aRenderingContext);
  59     virtual nscoord GetPrefWidth(nsIRenderingContext* aRenderingContext,
  60                                  PRBool aComputingSize);
  61     virtual void MarkIntrinsicWidthsDirty();
  62     virtual void ComputeColumnWidths(const nsHTMLReflowState& aReflowState);
  63
  64 private:
  65     nsTableFrame *mTableFrame;
  66     nscoord mMinWidth;
  67     nscoord mLastCalcWidth;
  68 };
  69
  70 #endif /* !defined(FixedTableLayoutStrategy_h_) */