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lightning-sunbird  0.9+nobinonly
FixedTableLayoutStrategy.h
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00037 
00038 #ifndef FixedTableLayoutStrategy_h__
00039 #define FixedTableLayoutStrategy_h__
00040 
00041 #include "nscore.h"
00042 #include "BasicTableLayoutStrategy.h"
00043 #include "nsCoord.h"
00044 
00045 class nsVoidArray;
00046 class nsTableFrame;
00047 struct nsStylePosition;
00048 
00049 
00050 /* ---------- FixedTableLayoutStrategy ---------- */
00051 
00058 class FixedTableLayoutStrategy : public BasicTableLayoutStrategy
00059 {
00060 public:
00061 
00065   FixedTableLayoutStrategy(nsTableFrame *aFrame);
00066 
00068   virtual ~FixedTableLayoutStrategy();
00069 
00073   virtual PRBool  BalanceColumnWidths(const nsHTMLReflowState& aReflowState);
00074   
00081   virtual nscoord CalcPctAdjTableWidth(const nsHTMLReflowState& aReflowState,
00082                                        nscoord                  aAvailWidth) {return 0;};
00083 
00084 protected:
00085    /* assign the width of all columns
00086     * if there is a colframe with a width attribute, use it as the column width.
00087     * otherwise if there is a cell in the first row and it has a width attribute, use it.
00088     *  if this cell includes a colspan, width is divided equally among spanned columns
00089     * otherwise the cell get a proportion of the remaining space. 
00090     *  as determined by the table width attribute.  If no table width attribute, it gets 0 width
00091     * Computes the minimum and maximum table widths.
00092     *
00093     * Set column width information in each column frame and in the table frame.
00094     *
00095     * @return PR_TRUE if all is well, PR_FALSE if there was an unrecoverable error
00096     *
00097     */
00098   virtual PRBool AssignNonPctColumnWidths(nscoord                  aComputedWidth,
00099                                           const nsHTMLReflowState& aReflowState);
00100 
00101 
00102 };
00103 
00104 
00105 #endif
00106