+typedef unsigned int PRUint32;
+typedef int PRInt32;
+typedef unsigned long PRUint64;
+typedef int PRIntn;
+typedef PRIntn PRBool;
+struct nsRect {
+ nsRect(const nsRect& aRect) { }
+};
+enum nsCompatibility { eCompatibility_NavQuirks = 3 };
+class gfxContext;
+typedef PRUint64 nsFrameState;
+class nsPresContext {
+public:
+ nsCompatibility CompatibilityMode() const { }
+};
+class nsStyleContext {
+public:
+ PRBool HasTextDecorations() const;
+};
+class nsIFrame {
+public:
+ nsPresContext* PresContext() const;
+ nsStyleContext* GetStyleContext() const;
+ nsFrameState GetStateBits() const;
+ nsRect GetOverflowRect() const;
+};
+class nsFrame : public nsIFrame { };
+class nsLineList_iterator { };
+class nsLineList {
+public:
+ typedef nsLineList_iterator iterator;
+};
+class gfxSkipCharsIterator { };
+class gfxTextRun {
+public:
+ class PropertyProvider { };
+};
+class nsTextFrame : public nsFrame
+{
+ virtual nsRect ComputeTightBounds(gfxContext* aContext) const;
+ gfxSkipCharsIterator EnsureTextRun(gfxContext* aReferenceContext = 0L,
+ nsIFrame* aLineContainer = 0L,
+ const nsLineList::iterator* aLine = 0L,
+ PRUint32* aFlowEndInTextRun = 0L);
+};
+class PropertyProvider : public gfxTextRun::PropertyProvider
+{
+public:
+ PropertyProvider(nsTextFrame* aFrame, const gfxSkipCharsIterator& aStart);
+ PRInt32 mLength[64];
+};
+nsRect nsTextFrame::ComputeTightBounds(gfxContext* aContext) const
+{
+ if ((GetStyleContext()->HasTextDecorations()
+ && eCompatibility_NavQuirks == PresContext()->CompatibilityMode())
+ || (GetStateBits() & (nsFrameState(1) << (23))))
+ return GetOverflowRect();
+ gfxSkipCharsIterator iter = const_cast<nsTextFrame*>(this)->EnsureTextRun();
+ PropertyProvider provider(const_cast<nsTextFrame*>(this), iter);
+}