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bug 721315 - avoid potential dangling mFamily pointers in font entries. r=jdaggett

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This commit is contained in:
Jonathan Kew 2012-01-28 08:27:01 +00:00
parent 852d8048cb
commit ff28e61222
1 changed files with 12 additions and 1 deletions
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13
gfx/thebes/gfxFont.h
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@ -512,7 +512,18 @@ public:
mIsBadUnderlineFamily(false)
{ }
virtual ~gfxFontFamily() { }
virtual ~gfxFontFamily() {
// clear Family pointers in our faces; the font entries might stay
// alive due to cached font objects, but they can no longer refer
// to their families.
PRUint32 i = mAvailableFonts.Length();
while (i) {
gfxFontEntry *fe = mAvailableFonts[--i];
if (fe) {
fe->SetFamily(nsnull);
}
}
}
const nsString& Name() { return mName; }