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-rw-r--r--layout/generic/nsGridContainerFrame.cpp58
1 files changed, 29 insertions, 29 deletions
diff --git a/layout/generic/nsGridContainerFrame.cpp b/layout/generic/nsGridContainerFrame.cpp
index 959061e33..f771c9d7c 100644
--- a/layout/generic/nsGridContainerFrame.cpp
+++ b/layout/generic/nsGridContainerFrame.cpp
@@ -4822,14 +4822,14 @@ nsGridContainerFrame::Tracks::StretchFlexibleTracks(
: ri->ComputedMaxISize();
}
Maybe<nsTArray<TrackSize>> origSizes;
+ bool applyMinMax = (minSize != 0 || maxSize != NS_UNCONSTRAINEDSIZE) &&
+ aAvailableSize == NS_UNCONSTRAINEDSIZE;
// We iterate twice at most. The 2nd time if the grid size changed after
// applying a min/max-size (can only occur if aAvailableSize is indefinite).
while (true) {
float fr = FindUsedFlexFraction(aState, aGridItems, flexTracks,
aFunctions, aAvailableSize);
if (fr != 0.0f) {
- bool applyMinMax = (minSize != 0 || maxSize != NS_UNCONSTRAINEDSIZE) &&
- aAvailableSize == NS_UNCONSTRAINEDSIZE;
for (uint32_t i : flexTracks) {
float flexFactor = aFunctions.MaxSizingFor(i).GetFlexFractionValue();
nscoord flexLength = NSToCoordRound(flexFactor * fr);
@@ -4841,36 +4841,36 @@ nsGridContainerFrame::Tracks::StretchFlexibleTracks(
base = flexLength;
}
}
- if (applyMinMax && origSizes.isSome()) {
- // https://drafts.csswg.org/css-grid/#algo-flex-tracks
- // "If using this flex fraction would cause the grid to be smaller than
- // the grid container’s min-width/height (or larger than the grid
- // container’s max-width/height), then redo this step, treating the free
- // space as definite [...]"
- nscoord newSize = 0;
- for (auto& sz : mSizes) {
- newSize += sz.mBase;
- }
- const auto sumOfGridGaps = SumOfGridGaps();
- newSize += sumOfGridGaps;
- if (newSize > maxSize) {
- aAvailableSize = maxSize;
- } else if (newSize < minSize) {
- aAvailableSize = minSize;
- }
- if (aAvailableSize != NS_UNCONSTRAINEDSIZE) {
- // Reset min/max-size to ensure 'applyMinMax' becomes false next time.
- minSize = 0;
- maxSize = NS_UNCONSTRAINEDSIZE;
- aAvailableSize = std::max(0, aAvailableSize - sumOfGridGaps);
- // Restart with the original track sizes and definite aAvailableSize.
+ }
+ if (applyMinMax) {
+ applyMinMax = false;
+ // https://drafts.csswg.org/css-grid/#algo-flex-tracks
+ // "If using this flex fraction would cause the grid to be smaller than
+ // the grid container’s min-width/height (or larger than the grid
+ // container’s max-width/height), then redo this step, treating the free
+ // space as definite [...]"
+ nscoord newSize = 0;
+ for (auto& sz : mSizes) {
+ newSize += sz.mBase;
+ }
+ const auto sumOfGridGaps = SumOfGridGaps();
+ newSize += sumOfGridGaps;
+ if (newSize > maxSize) {
+ aAvailableSize = maxSize;
+ } else if (newSize < minSize) {
+ aAvailableSize = minSize;
+ }
+ if (aAvailableSize != NS_UNCONSTRAINEDSIZE) {
+ aAvailableSize = std::max(0, aAvailableSize - sumOfGridGaps);
+ // Restart with the original track sizes and definite aAvailableSize.
+ if (origSizes.isSome()) {
mSizes = Move(*origSizes);
origSizes.reset();
- if (aAvailableSize == 0) {
- break; // zero available size wouldn't change any sizes though...
- }
- continue;
+ } // else, no mSizes[].mBase were changed above so it's still correct
+ if (aAvailableSize == 0) {
+ break; // zero available size wouldn't change any sizes though...
}
+ continue;
}
}
break;