IntSize DragScrollTimer::scrollDistanceFor(FrameView* view, const WebPoint& location) const
{
static const int scrollMargin = 30;
IntRect bounds(0, 0, view->visibleWidth(), view->visibleHeight());
if (!bounds.contains(location))
return IntSize(0, 0); // The location is outside the border belt.
bounds.setY(bounds.y() + scrollMargin);
bounds.setHeight(bounds.height() - scrollMargin * 2);
bounds.setX(bounds.x() + scrollMargin);
bounds.setWidth(bounds.width() - scrollMargin * 2);
if (bounds.contains(location))
return IntSize(0, 0); // The location is inside the border belt.
// The location is over the border belt.
return distanceToRect(location, bounds);
}
HistoryElement* findNearest(const QPoint& p)
{
// find direct hit
foreach (const ToolTipElement& tte, toolTipElements)
{
if (tte.first.contains(p))
{
return tte.second;
}
}
// find nearest
float nearest = 0;
HistoryElement* nearestElement = 0;
foreach (const ToolTipElement& tte, toolTipElements)
{
float distance = distanceToRect(p, tte.first);
if (!nearestElement || distance < nearest)
{
nearest = distance;
nearestElement = tte.second;
}
}
