Bug 475968. Eliminate NS_FRAME_OUTSIDE_CHILDREN flag, store small overflow areas cheaply within the frame. r+sr=roc

2009-04-06 12:31:50 +12:00
parent ad75464e5e
commit ccbd2d2564
19 changed files with 181 additions and 59 deletions
--- a/layout/generic/nsPageContentFrame.cpp
+++ b/layout/generic/nsPageContentFrame.cpp
@@ -111,7 +111,7 @@ nsPageContentFrame::Reflow(nsPresContext*           aPresContext,
    kidReflowState.mStylePadding->GetPadding(padding);

    // First check the combined area
-    if (NS_FRAME_OUTSIDE_CHILDREN & frame->GetStateBits()) {
+    if (frame->HasOverflowRect()) {
      // The background covers the content area and padding area, so check
      // for children sticking outside the child frame's padding edge
      if (aDesiredSize.mOverflowArea.XMost() > aDesiredSize.width) {