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bug 125543 - Prevent row groups from splitting in the reflow preceeding a special height reflow. Cells are only notified that they should observe a percent height element if the element is inside the table's cell. Percent height elements inside the body will have a height based on the page height when printing. sr=kin, r=alexsavulov.

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karnaze@netscape.com
2002-04-10 21:32:41 +00:00
parent 6b41e30fe0
commit 335ac62023
18 changed files with 250 additions and 120 deletions
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10
layout/generic/nsFrame.cpp
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@@ -1828,20 +1828,24 @@ nsFrame::DidReflow(nsIPresContext* aPresContext,
NS_FRAME_HAS_DIRTY_CHILDREN);
}
// Notify the percent height observer if this is an initial or resize constrained reflow
// Notify the percent height observer if this is an initial or resize reflow (XXX
// it should probably be any type of reflow, but this would need further testing)
// and there is a percent height but no computed height. The observer may be able to
// initiate another reflow with a computed height. This happens in the case where a table
// cell has no computed height but can fabricate one when the cell height is known.
if (aReflowState && (aReflowState->mPercentHeightObserver) && // an observer
((eReflowReason_Initial == aReflowState->reason) || // initial or resize reflow
(eReflowReason_Resize == aReflowState->reason)) &&
(NS_UNCONSTRAINEDSIZE != aReflowState->availableWidth) && // constrained width reflow
((NS_UNCONSTRAINEDSIZE == aReflowState->mComputedHeight) || // no computed height
(0 == aReflowState->mComputedHeight)) &&
aReflowState->mStylePosition && // percent height
(eStyleUnit_Percent == aReflowState->mStylePosition->mHeight.GetUnit())) {
aReflowState->mPercentHeightObserver->NotifyPercentHeight(*aReflowState);
nsIFrame* prevInFlow;
GetPrevInFlow(&prevInFlow);
if (!prevInFlow) { // 1st in flow
aReflowState->mPercentHeightObserver->NotifyPercentHeight(*aReflowState);
}
}
return NS_OK;