layout/generic/nsPageContentFrame.h

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  37 #ifndef nsPageContentFrame_h___
  38 #define nsPageContentFrame_h___
  39
  40 #include "nsViewportFrame.h"
  41 class nsPageFrame;
  42 class nsSharedPageData;
  43
  44 // Page frame class used by the simple page sequence frame
  45 class nsPageContentFrame : public ViewportFrame {
  46
  47 public:
  48   friend nsIFrame* NS_NewPageContentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  49   friend class nsPageFrame;
  50
  51   // nsIFrame
  52   NS_IMETHOD  Reflow(nsPresContext*      aPresContext,
  53                      nsHTMLReflowMetrics& aDesiredSize,
  54                      const nsHTMLReflowState& aMaxSize,
  55                      nsReflowStatus&      aStatus);
  56
  57   virtual PRBool IsContainingBlock() const;
  58
  59   virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }
  60
  61   /**
  62    *  Computes page size based on shared page data; SetSharedPageData must be
  63    *  given valid data first.
  64    */
  65   virtual nsSize ComputeSize(nsIRenderingContext *aRenderingContext,
  66                              nsSize aCBSize, nscoord aAvailableWidth,
  67                              nsSize aMargin, nsSize aBorder, nsSize aPadding,
  68                              PRBool aShrinkWrap);
  69
  70   /**
  71    * Get the "type" of the frame
  72    *
  73    * @see nsGkAtoms::pageContentFrame
  74    */
  75   virtual nsIAtom* GetType() const;
  76
  77 #ifdef NS_DEBUG
  78   // Debugging
  79   NS_IMETHOD  GetFrameName(nsAString& aResult) const;
  80 #endif
  81
  82 protected:
  83   nsPageContentFrame(nsStyleContext* aContext) : ViewportFrame(aContext) {}
  84
  85   nsSharedPageData*         mPD;
  86 };
  87
  88 #endif /* nsPageContentFrame_h___ */
  89