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37 : #ifndef nsSelectsAreaFrame_h___
38 : #define nsSelectsAreaFrame_h___
39 :
40 : #include "nsBlockFrame.h"
41 :
42 : class nsSelectsAreaFrame : public nsBlockFrame
43 0 : {
44 : public:
45 : NS_DECL_FRAMEARENA_HELPERS
46 :
47 : friend nsIFrame* NS_NewSelectsAreaFrame(nsIPresShell* aShell, nsStyleContext* aContext, PRUint32 aFlags);
48 :
49 : NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
50 : const nsRect& aDirtyRect,
51 : const nsDisplayListSet& aLists);
52 :
53 : nsresult BuildDisplayListInternal(nsDisplayListBuilder* aBuilder,
54 : const nsRect& aDirtyRect,
55 : const nsDisplayListSet& aLists);
56 :
57 : NS_IMETHOD Reflow(nsPresContext* aCX,
58 : nsHTMLReflowMetrics& aDesiredSize,
59 : const nsHTMLReflowState& aReflowState,
60 : nsReflowStatus& aStatus);
61 :
62 0 : nscoord HeightOfARow() const { return mHeightOfARow; }
63 :
64 : protected:
65 0 : nsSelectsAreaFrame(nsStyleContext* aContext) :
66 : nsBlockFrame(aContext),
67 0 : mHeightOfARow(0)
68 0 : {}
69 :
70 : // We cache the height of a single row so that changes to the "size"
71 : // attribute, padding, etc. can all be handled with only one reflow. We'll
72 : // have to reflow twice if someone changes our font size or something like
73 : // that, so that the heights of our options will change.
74 : nscoord mHeightOfARow;
75 : };
76 :
77 : #endif /* nsSelectsAreaFrame_h___ */
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