diff options
Diffstat (limited to 'Source/WebCore/platform/mac/ScrollbarThemeMac.mm')
| -rw-r--r-- | Source/WebCore/platform/mac/ScrollbarThemeMac.mm | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Source/WebCore/platform/mac/ScrollbarThemeMac.mm b/Source/WebCore/platform/mac/ScrollbarThemeMac.mm index 5a3796d..5504f5c 100644 --- a/Source/WebCore/platform/mac/ScrollbarThemeMac.mm +++ b/Source/WebCore/platform/mac/ScrollbarThemeMac.mm @@ -169,7 +169,7 @@ void ScrollbarThemeMac::unregisterScrollbar(Scrollbar* scrollbar) scrollbarMap()->remove(scrollbar); } -#if defined(USE_WK_SCROLLBAR_PAINTER_AND_CONTROLLER) +#if USE(WK_SCROLLBAR_PAINTER) void ScrollbarThemeMac::setNewPainterForScrollbar(Scrollbar* scrollbar, WKScrollbarPainterRef newPainter) { scrollbarMap()->set(scrollbar, newPainter); @@ -440,7 +440,11 @@ bool ScrollbarThemeMac::paint(Scrollbar* scrollbar, GraphicsContext* context, co overhang = scrollbar->currentPos() + scrollbar->visibleSize() - scrollbar->totalSize(); } else { // Within the bounds of the scrollable area. - value = scrollbar->currentPos() / scrollbar->maximum(); + int maximum = scrollbar->maximum(); + if (maximum > 0) + value = scrollbar->currentPos() / maximum; + else + value = 0; } ScrollAnimatorMac* scrollAnimator = static_cast<ScrollAnimatorMac*>(scrollbar->scrollableArea()->scrollAnimator()); |