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Bug 1148298 part 1: Convert most flexbox-layout IsAxisHorizontal() calls into IsMainAxisHorizontal()/IsCrossAxisHorizontal(). r=mats

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This commit is contained in:
Daniel Holbert 2015-03-27 12:06:03 -07:00
parent d0bebd0aeb
commit a3b8b101aa
1 changed files with 34 additions and 31 deletions
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65
layout/generic/nsFlexContainerFrame.cpp
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@ -166,10 +166,10 @@ PhysicalCoordFromFlexRelativeCoord(nscoord aFlexRelativeCoord,
// evaluate), these macros will ensure that only the expression for the correct
// axis gets evaluated.
#define GET_MAIN_COMPONENT(axisTracker_, width_, height_) \
IsAxisHorizontal((axisTracker_).GetMainAxis()) ? (width_) : (height_)
(axisTracker_).IsMainAxisHorizontal() ? (width_) : (height_)
#define GET_CROSS_COMPONENT(axisTracker_, width_, height_) \
IsAxisHorizontal((axisTracker_).GetCrossAxis()) ? (width_) : (height_)
(axisTracker_).IsCrossAxisHorizontal() ? (width_) : (height_)
// Encapsulates our flex container's main & cross axes.
class MOZ_STACK_CLASS nsFlexContainerFrame::FlexboxAxisTracker {
@ -180,6 +180,9 @@ public:
AxisOrientationType GetMainAxis() const { return mMainAxis; }
AxisOrientationType GetCrossAxis() const { return mCrossAxis; }
bool IsMainAxisHorizontal() const { return IsAxisHorizontal(mMainAxis); }
bool IsCrossAxisHorizontal() const { return IsAxisHorizontal(mCrossAxis); }
nscoord GetMainComponent(const nsSize& aSize) const {
return GET_MAIN_COMPONENT(*this, aSize.width, aSize.height);
}
@ -195,12 +198,12 @@ public:
}
nscoord GetMarginSizeInMainAxis(const nsMargin& aMargin) const {
return IsAxisHorizontal(mMainAxis) ?
return IsMainAxisHorizontal() ?
aMargin.LeftRight() :
aMargin.TopBottom();
}
nscoord GetMarginSizeInCrossAxis(const nsMargin& aMargin) const {
return IsAxisHorizontal(mCrossAxis) ?
return IsCrossAxisHorizontal() ?
aMargin.LeftRight() :
aMargin.TopBottom();
}
@ -231,7 +234,7 @@ public:
PhysicalCoordFromFlexRelativeCoord(aCrossCoord, aContainerCrossSize,
mCrossAxis);
return IsAxisHorizontal(mMainAxis) ?
return IsMainAxisHorizontal() ?
nsPoint(physicalCoordInMainAxis, physicalCoordInCrossAxis) :
nsPoint(physicalCoordInCrossAxis, physicalCoordInMainAxis);
}
@ -239,7 +242,7 @@ public:
nsSize PhysicalSizeFromFlexRelativeSizes(nscoord aMainSize,
nscoord aCrossSize) const {
return IsAxisHorizontal(mMainAxis) ?
return IsMainAxisHorizontal() ?
nsSize(aMainSize, aCrossSize) :
nsSize(aCrossSize, aMainSize);
}
@ -981,7 +984,7 @@ bool
nsFlexContainerFrame::IsHorizontal()
{
const FlexboxAxisTracker axisTracker(this);
return IsAxisHorizontal(axisTracker.GetMainAxis());
return axisTracker.IsMainAxisHorizontal();
}
FlexItem*
@ -1115,7 +1118,7 @@ IsCrossSizeDefinite(const nsHTMLReflowState& aItemReflowState,
const FlexboxAxisTracker& aAxisTracker)
{
const nsStylePosition* pos = aItemReflowState.mStylePosition;
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
if (aAxisTracker.IsCrossAxisHorizontal()) {
return pos->mWidth.GetUnit() != eStyleUnit_Auto;
}
// else, vertical. (We need to use IsAutoHeight() to catch e.g. %-height
@ -1178,7 +1181,7 @@ MainSizeFromAspectRatio(nscoord aCrossSize,
MOZ_ASSERT(aAxisTracker.GetCrossComponent(aIntrinsicRatio) != 0,
"Invalid ratio; will divide by 0! Caller should've checked...");
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
if (aAxisTracker.IsCrossAxisHorizontal()) {
// cross axis horiz --> aCrossSize is a width. Converting to height.
return NSCoordMulDiv(aCrossSize, aIntrinsicRatio.height, aIntrinsicRatio.width);
}
@ -1297,7 +1300,7 @@ nsFlexContainerFrame::
{
// (Note: We should never have a used flex-basis of "auto" if our main axis
// is horizontal; width values should always be resolvable without reflow.)
const bool isMainSizeAuto = (!IsAxisHorizontal(aAxisTracker.GetMainAxis()) &&
const bool isMainSizeAuto = (!aAxisTracker.IsMainAxisHorizontal() &&
NS_AUTOHEIGHT == aFlexItem.GetFlexBaseSize());
const bool isMainMinSizeAuto = aFlexItem.NeedsMinSizeAutoResolution();
@ -1330,7 +1333,7 @@ nsFlexContainerFrame::
// Is container's cross size "definite"?
// (Container's cross size is definite if cross-axis is horizontal, or if
// cross-axis is vertical and the cross-size is not NS_AUTOHEIGHT.)
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis()) ||
if (aAxisTracker.IsCrossAxisHorizontal() ||
containerCrossSize != NS_AUTOHEIGHT) {
aFlexItem.ResolveStretchedCrossSize(containerCrossSize, aAxisTracker);
}
@ -1368,7 +1371,7 @@ nsFlexContainerFrame::
// Measure content, if needed (w/ intrinsic-width method or a reflow)
if (minSizeNeedsToMeasureContent || flexBasisNeedsToMeasureContent) {
if (IsAxisHorizontal(aAxisTracker.GetMainAxis())) {
if (aAxisTracker.IsMainAxisHorizontal()) {
nsRenderingContext rctx(
aPresContext->PresShell()->CreateReferenceRenderingContext());
if (minSizeNeedsToMeasureContent) {
@ -1538,11 +1541,11 @@ FlexItem::FlexItem(nsHTMLReflowState& aFlexItemReflowState,
// Moreover: for the time being (until we support writing-modes),
// all inline axes are horizontal -- so we can just check if the cross axis
// is horizontal.
// FIXME: Once we support writing-mode (vertical text), this IsAxisHorizontal
// check won't be sufficient anymore -- we'll actually need to compare our
// inline axis vs. the cross axis.
// FIXME: Once we support writing-mode (vertical text), this
// IsCrossAxisHorizontal check won't be sufficient anymore -- we'll actually
// need to compare our inline axis vs. the cross axis.
if (mAlignSelf == NS_STYLE_ALIGN_ITEMS_BASELINE &&
IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
aAxisTracker.IsCrossAxisHorizontal()) {
mAlignSelf = NS_STYLE_ALIGN_ITEMS_FLEX_START;
}
}
@ -2958,7 +2961,7 @@ FlexboxAxisTracker::FlexboxAxisTracker(
}
}
MOZ_ASSERT(IsAxisHorizontal(mMainAxis) != IsAxisHorizontal(mCrossAxis),
MOZ_ASSERT(IsMainAxisHorizontal() != IsCrossAxisHorizontal(),
"main & cross axes should be in different dimensions");
}
@ -3026,7 +3029,7 @@ nsFlexContainerFrame::GenerateFlexLines(
// Also: if we're vertical and paginating, we may need to wrap sooner
// (before we run off the end of the page)
if (!IsAxisHorizontal(aAxisTracker.GetMainAxis()) &&
if (!aAxisTracker.IsMainAxisHorizontal() &&
aAvailableHeightForContent != NS_UNCONSTRAINEDSIZE) {
wrapThreshold = std::min(wrapThreshold, aAvailableHeightForContent);
}
@ -3098,7 +3101,7 @@ nsFlexContainerFrame::GetMainSizeFromReflowState(
const nsHTMLReflowState& aReflowState,
const FlexboxAxisTracker& aAxisTracker)
{
if (IsAxisHorizontal(aAxisTracker.GetMainAxis())) {
if (aAxisTracker.IsMainAxisHorizontal()) {
// Horizontal case is easy -- our main size is our computed width
// (which is already resolved).
return aReflowState.ComputedISize();
@ -3132,7 +3135,7 @@ ClampFlexContainerMainSize(const nsHTMLReflowState& aReflowState,
{
MOZ_ASSERT(aFirstLine, "null first line pointer");
if (IsAxisHorizontal(aAxisTracker.GetMainAxis())) {
if (aAxisTracker.IsMainAxisHorizontal()) {
// Horizontal case is easy -- our main size should already be resolved
// before we get a call to Reflow. We don't have to worry about doing
// page-breaking or shrinkwrapping in the horizontal axis.
@ -3186,7 +3189,7 @@ nsFlexContainerFrame::ComputeCrossSize(const nsHTMLReflowState& aReflowState,
{
MOZ_ASSERT(aIsDefinite, "outparam pointer must be non-null");
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
if (aAxisTracker.IsCrossAxisHorizontal()) {
// Cross axis is horizontal: our cross size is our computed width
// (which is already resolved).
*aIsDefinite = true;
@ -3284,9 +3287,9 @@ nsFlexContainerFrame::SizeItemInCrossAxis(
nsHTMLReflowState& aChildReflowState,
FlexItem& aItem)
{
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
if (aAxisTracker.IsCrossAxisHorizontal()) {
// XXXdholbert NOTE: For now, we should never hit this case, due to a
// !IsAxisHorizontal(aAxisTracker.GetCrossAxis()) check that guards this
// !aAxisTracker.IsCrossAxisHorizontal() check that guards this
// call in the caller. BUT, when we add support for vertical writing-modes,
// (in bug 1079155 or a dependency), we'll relax that check, and we'll need
// to be able to measure the baseline & width (given our resolved height)
@ -3554,18 +3557,18 @@ nsFlexContainerFrame::DoFlexLayout(nsPresContext* aPresContext,
// height.)
if (!item->IsStretched() && // !A
!item->IsStrut() && // !B
!IsAxisHorizontal(aAxisTracker.GetCrossAxis())) { // !C
!aAxisTracker.IsCrossAxisHorizontal()) { // !C
WritingMode wm = item->Frame()->GetWritingMode();
LogicalSize availSize = aReflowState.ComputedSize(wm);
availSize.BSize(wm) = NS_UNCONSTRAINEDSIZE;
nsHTMLReflowState childReflowState(aPresContext, aReflowState,
item->Frame(), availSize);
// Override computed main-size
if (IsAxisHorizontal(aAxisTracker.GetMainAxis())) {
if (aAxisTracker.IsMainAxisHorizontal()) {
childReflowState.SetComputedWidth(item->GetMainSize());
} else {
// XXXdholbert NOTE: For now, we'll never hit this case, due to the
// !IsAxisHorizontal(aAxisTracker.GetCrossAxis()) check above. But
// !aAxisTracker.IsCrossAxisHorizontal() check above. But
// when we add support for vertical writing modes, we'll relax that
// check and be able to hit this code.
childReflowState.SetComputedHeight(item->GetMainSize());
@ -3666,7 +3669,7 @@ nsFlexContainerFrame::DoFlexLayout(nsPresContext* aPresContext,
const nsPoint containerContentBoxOrigin(containerBorderPadding.left,
containerBorderPadding.top);
WritingMode outerWM = aReflowState.GetWritingMode();
nscoord containerWidth = IsAxisHorizontal(aAxisTracker.GetMainAxis()) ?
nscoord containerWidth = aAxisTracker.IsMainAxisHorizontal() ?
aContentBoxMainSize : contentBoxCrossSize;
// FINAL REFLOW: Give each child frame another chance to reflow, now that
@ -3843,7 +3846,7 @@ nsFlexContainerFrame::ReflowFlexItem(nsPresContext* aPresContext,
bool didOverrideComputedHeight = false;
// Override computed main-size
if (IsAxisHorizontal(aAxisTracker.GetMainAxis())) {
if (aAxisTracker.IsMainAxisHorizontal()) {
childReflowState.SetComputedWidth(aItem.GetMainSize());
didOverrideComputedWidth = true;
} else {
@ -3855,7 +3858,7 @@ nsFlexContainerFrame::ReflowFlexItem(nsPresContext* aPresContext,
if (aItem.IsStretched()) {
MOZ_ASSERT(aItem.GetAlignSelf() == NS_STYLE_ALIGN_ITEMS_STRETCH,
"stretched item w/o 'align-self: stretch'?");
if (IsAxisHorizontal(aAxisTracker.GetCrossAxis())) {
if (aAxisTracker.IsCrossAxisHorizontal()) {
childReflowState.SetComputedWidth(aItem.GetCrossSize());
didOverrideComputedWidth = true;
} else {
@ -3936,7 +3939,7 @@ nsFlexContainerFrame::GetMinISize(nsRenderingContext* aRenderingContext)
// the sum of its items' min widths.
// For a vertical flex container, or for a multi-line horizontal flex
// container, the intrinsic min width is the max of its items' min widths.
if (IsAxisHorizontal(axisTracker.GetMainAxis()) &&
if (axisTracker.IsMainAxisHorizontal() &&
NS_STYLE_FLEX_WRAP_NOWRAP == StylePosition()->mFlexWrap) {
minWidth += childMinWidth;
} else {
@ -3963,7 +3966,7 @@ nsFlexContainerFrame::GetPrefISize(nsRenderingContext* aRenderingContext)
nscoord childPrefWidth =
nsLayoutUtils::IntrinsicForContainer(aRenderingContext, e.get(),
nsLayoutUtils::PREF_ISIZE);
if (IsAxisHorizontal(axisTracker.GetMainAxis())) {
if (axisTracker.IsMainAxisHorizontal()) {
prefWidth += childPrefWidth;
} else {
prefWidth = std::max(prefWidth, childPrefWidth);