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Bug 984711 part 4: Add back handling for nsStylePosition::mMinHeight having "eStyleUnit_Auto" in style system & general layout code. (no review; just an unbitrotted backout)
This reverts changeset 5db313632268 from bug 848539.
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@ -3591,7 +3591,8 @@ GetPercentHeight(const nsStyleCoord& aStyle,
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if (minh > h)
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h = minh;
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} else {
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NS_ASSERTION(pos->mMinHeight.HasPercent(),
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NS_ASSERTION(pos->mMinHeight.HasPercent() ||
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pos->mMinHeight.GetUnit() == eStyleUnit_Auto,
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"unknown min-height unit");
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}
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@ -3752,12 +3753,18 @@ nsLayoutUtils::IntrinsicForContainer(nsRenderingContext *aRenderingContext,
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// Handle elements with an intrinsic ratio (or size) and a specified
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// height, min-height, or max-height.
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// NOTE: We treat "min-height:auto" as "0" for the purpose of this code,
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// since that's what it means in all cases except for on flex items -- and
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// even there, we're supposed to ignore it (i.e. treat it as 0) until the
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// flex container explicitly considers it.
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const nsStyleCoord &styleHeight = stylePos->mHeight;
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const nsStyleCoord &styleMinHeight = stylePos->mMinHeight;
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const nsStyleCoord &styleMaxHeight = stylePos->mMaxHeight;
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if (styleHeight.GetUnit() != eStyleUnit_Auto ||
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!(styleMinHeight.GetUnit() == eStyleUnit_Coord &&
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styleMinHeight.GetCoordValue() == 0) ||
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!(styleMinHeight.GetUnit() == eStyleUnit_Auto ||
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(styleMinHeight.GetUnit() == eStyleUnit_Coord &&
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styleMinHeight.GetCoordValue() == 0)) ||
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styleMaxHeight.GetUnit() != eStyleUnit_None) {
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nsSize ratio = aFrame->GetIntrinsicRatio();
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@ -2627,8 +2627,13 @@ nsHTMLReflowState::ComputeMinMaxValues(nscoord aContainingBlockWidth,
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// Likewise, if we're a child of a flex container who's measuring our
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// intrinsic height, then we want to disregard our min-height.
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// NOTE: We treat "min-height:auto" as "0" for the purpose of this code,
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// since that's what it means in all cases except for on flex items -- and
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// even there, we're supposed to ignore it (i.e. treat it as 0) until the
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// flex container explicitly considers it.
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const nsStyleCoord &minHeight = mStylePosition->mMinHeight;
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if ((NS_AUTOHEIGHT == aContainingBlockHeight &&
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if (eStyleUnit_Auto == minHeight.GetUnit() ||
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(NS_AUTOHEIGHT == aContainingBlockHeight &&
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minHeight.HasPercent()) ||
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(mFrameType == NS_CSS_FRAME_TYPE_INTERNAL_TABLE &&
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minHeight.IsCalcUnit() && minHeight.CalcHasPercent()) ||
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@ -4103,7 +4103,17 @@ CSSValue*
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nsComputedDOMStyle::DoGetMinHeight()
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{
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nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue;
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SetValueToCoord(val, StylePosition()->mMinHeight, true,
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nsStyleCoord minHeight = StylePosition()->mMinHeight;
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if (eStyleUnit_Auto == minHeight.GetUnit()) {
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// In non-flexbox contexts, "min-height: auto" means "min-height: 0"
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// XXXdholbert For flex items, we should set |minHeight| to the
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// -moz-min-content keyword, instead of 0, once we support -moz-min-content
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// as a height value.
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minHeight.SetCoordValue(0);
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}
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SetValueToCoord(val, minHeight, true,
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&nsComputedDOMStyle::GetCBContentHeight);
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return val;
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}
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@ -7453,11 +7453,6 @@ nsRuleNode::ComputePositionData(void* aStartStruct,
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SETCOORD_UNSET_INITIAL,
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aContext, mPresContext, canStoreInRuleTree);
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// Make 'auto' values for min-height compute to 0
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if (pos->mMinHeight.GetUnit() == eStyleUnit_Auto) {
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pos->mMinHeight.SetCoordValue(0);
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}
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// box-sizing: enum, inherit, initial
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SetDiscrete(*aRuleData->ValueForBoxSizing(),
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pos->mBoxSizing, canStoreInRuleTree,
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@ -1234,7 +1234,7 @@ nsStylePosition::nsStylePosition(void)
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mMinWidth.SetAutoValue();
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mMaxWidth.SetNoneValue();
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mHeight.SetAutoValue();
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mMinHeight.SetCoordValue(0);
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mMinHeight.SetAutoValue();
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mMaxHeight.SetNoneValue();
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mFlexBasis.SetAutoValue();
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@ -1381,7 +1381,13 @@ struct nsStylePosition {
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// FIXME: We should probably change the assumption to be the other way
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// around.
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bool HeightDependsOnContainer() const
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{ return HeightCoordDependsOnContainer(mHeight); }
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{
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return mHeight.GetUnit() == eStyleUnit_Auto || // CSS 2.1, 10.6.4, item (5)
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HeightCoordDependsOnContainer(mHeight);
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}
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// NOTE: The comment above MinWidthDependsOnContainer about flex items
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// applies here, too.
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bool MinHeightDependsOnContainer() const
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{ return HeightCoordDependsOnContainer(mMinHeight); }
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bool MaxHeightDependsOnContainer() const
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@ -1395,10 +1401,7 @@ struct nsStylePosition {
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private:
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static bool WidthCoordDependsOnContainer(const nsStyleCoord &aCoord);
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static bool HeightCoordDependsOnContainer(const nsStyleCoord &aCoord)
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{
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return aCoord.GetUnit() == eStyleUnit_Auto || // CSS 2.1, 10.6.4, item (5)
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aCoord.HasPercent();
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}
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{ return aCoord.HasPercent(); }
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};
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struct nsStyleTextOverflowSide {
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