Index: Source/core/rendering/RenderMultiColumnFlowThread.cpp |
diff --git a/Source/core/rendering/RenderMultiColumnFlowThread.cpp b/Source/core/rendering/RenderMultiColumnFlowThread.cpp |
index dc0e663ea045ab6a428a9b7dd9b2c82814936abd..3c135121b616ae35aac50856df453c8411a4eb57 100644 |
--- a/Source/core/rendering/RenderMultiColumnFlowThread.cpp |
+++ b/Source/core/rendering/RenderMultiColumnFlowThread.cpp |
@@ -229,4 +229,14 @@ bool RenderMultiColumnFlowThread::addForcedRegionBreak(LayoutUnit offset, Render |
return false; |
} |
+bool RenderMultiColumnFlowThread::isPageLogicalHeightKnown() const |
+{ |
+ for (RenderBox* renderer = parentBox()->lastChildBox(); renderer; renderer = renderer->previousSiblingBox()) { |
+ if (renderer->isRenderMultiColumnSet()) |
+ return toRenderMultiColumnSet(renderer)->computedColumnHeight(); |
+ } |
+ // A column set hasn't been created yet. Height may already be known if column-fill is 'auto', though. |
+ return !requiresBalancing(); |
+} |
+ |
} |