+ //make a new OL.Size object with the clipped dimensions
+ // set or null if not clipped.
+ var fixedSize = new OpenLayers.Size();
+ fixedSize.w = (safeSize.w < realSize.w) ? safeSize.w : null;
+ fixedSize.h = (safeSize.h < realSize.h) ? safeSize.h : null;
+
+ if (fixedSize.w && fixedSize.h) {
+ //content is too big in both directions, so we will use
+ // max popup size (safeSize), knowing well that it will
+ // overflow both ways.
+ newSize = safeSize;
+ } else {
+ //content is clipped in only one direction, so we need to
+ // run getRenderedDimensions() again with a fixed dimension
+ var clippedSize = OpenLayers.Util.getRenderedDimensions(
+ preparedHTML, fixedSize, {
+ displayClass: self.contentDisplayClass,
+ containerElement: containerElement
+ }
+ );
+
+ //if the clipped size is still the same as the safeSize,
+ // that means that our content must be fixed in the
+ // offending direction. If overflow is 'auto', this means
+ // we are going to have a scrollbar for sure, so we must
+ // adjust for that.
+ //
+ var currentOverflow = OpenLayers.Element.getStyle(
+ self.contentDiv, "overflow"
+ );
+ if ( (currentOverflow != "hidden") &&
+ (clippedSize.equals(safeSize)) ) {
+ var scrollBar = OpenLayers.Util.getScrollbarWidth();
+ if (fixedSize.w) {
+ clippedSize.h += scrollBar;
+ } else {
+ clippedSize.w += scrollBar;
+ }
+ }
+
+ newSize = self.getSafeContentSize(clippedSize);
+ }
+ }
+ self.setSize(newSize);
+ }, 0);