layout/generic/nsAreaFrame.h

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  37
  38 /* derived class of nsBlockFrame; distinction barely relevant anymore */
  39
  40 #ifndef nsAreaFrame_h___
  41 #define nsAreaFrame_h___
  42
  43 #include "nsBlockFrame.h"
  44 #include "nsAbsoluteContainingBlock.h"
  45
  46 struct nsStyleDisplay;
  47 struct nsStylePosition;
  48
  49
  50 /**
  51  * The area frame has an additional named child list:
  52  * - "Absolute-list" which contains the absolutely positioned frames
  53  *
  54  * @see nsGkAtoms::absoluteList
  55  */
  56 class nsAreaFrame : public nsBlockFrame
  57 {
  58 public:
  59   friend nsIFrame* NS_NewAreaFrame(nsIPresShell* aPresShell, nsStyleContext *aContext, PRUint32 aFlags);
  60
  61   // nsIFrame
  62
  63 #ifdef MOZ_XUL
  64   NS_IMETHOD Init(nsIContent*      aContent,
  65                   nsIFrame*        aParent,
  66                   nsIFrame*        aPrevInFlow);
  67
  68   virtual void Destroy();
  69
  70   NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
  71                               nsIAtom* aAttribute,
  72                               PRInt32 aModType);
  73 #endif
  74
  75   /**
  76    * Get the "type" of the frame
  77    *
  78    * @see nsGkAtoms::areaFrame
  79    */
  80   virtual nsIAtom* GetType() const;
  81
  82 #ifdef DEBUG
  83   NS_IMETHOD GetFrameName(nsAString& aResult) const;
  84 #endif
  85
  86 protected:
  87   nsAreaFrame(nsStyleContext *aContext) : nsBlockFrame(aContext) {}
  88
  89 #ifdef MOZ_XUL
  90   nsresult RegUnregAccessKey(PRBool aDoReg);
  91 #endif
  92 };
  93
  94 #endif /* nsAreaFrame_h___ */