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Issue #1705 - Part 1: Rename nsChangeHint_CSSOverflowChange to *ScrollbarChange.

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Prepare for scrollbar-width which should trigger the same kind of change.
This commit is contained in:
Moonchild 2021-01-06 10:35:21 +00:00 • committed by roytam1
commit e993607a88
3 changed files with 7 additions and 7 deletions
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8
layout/base/RestyleManagerBase.cpp
View file

@ -171,7 +171,7 @@ RestyleManagerBase::ChangeHintToString(nsChangeHint aHint)
"NeutralChange", "InvalidateRenderingObservers",
"ReflowChangesSizeOrPosition", "UpdateComputedBSize",
"UpdateUsesOpacity", "UpdateBackgroundPosition",
"AddOrRemoveTransform", "CSSOverflowChange",
"AddOrRemoveTransform", "ScrollbarChange",
};
static_assert(nsChangeHint_AllHints == (1 << ArrayLength(names)) - 1,
"Name list doesn't match change hints.");
@ -1111,11 +1111,11 @@ if (!mDestroyedFrames) {
nsPresContext* presContext = PresContext();
nsCSSFrameConstructor* frameConstructor = presContext->FrameConstructor();
// Handle nsChangeHint_CSSOverflowChange, by either updating the
// Handle nsChangeHint_ScrollbarChange, by either updating the
// scrollbars on the viewport, or upgrading the change hint to frame-reconstruct.
for (nsStyleChangeData& data : aChangeList) {
if (data.mHint & nsChangeHint_CSSOverflowChange) {
data.mHint &= ~nsChangeHint_CSSOverflowChange;
if (data.mHint & nsChangeHint_ScrollbarChange) {
data.mHint &= ~nsChangeHint_ScrollbarChange;
bool doReconstruct = true; // assume the worst
// Only bother with this if we're html/body, since:

4
layout/base/nsChangeHint.h
View file

@ -225,7 +225,7 @@ enum nsChangeHint {
* scrollframe, this is instead equivalent to nsChangeHint_AllReflowHints
* (because the viewport always has an associated scrollframe).
*/
nsChangeHint_CSSOverflowChange = 1 << 28,
nsChangeHint_ScrollbarChange = 1 << 28,
// IMPORTANT NOTE: When adding new hints, consider whether you need
// to add them to NS_HintsNotHandledForDescendantsIn() below. Please
@ -316,7 +316,7 @@ inline nsChangeHint operator^=(nsChangeHint& aLeft, nsChangeHint aRight)
nsChangeHint_UpdatePostTransformOverflow | \
nsChangeHint_UpdateParentOverflow | \
nsChangeHint_ChildrenOnlyTransform | \
nsChangeHint_CSSOverflowChange | \
nsChangeHint_ScrollbarChange | \
nsChangeHint_RecomputePosition | \
nsChangeHint_UpdateContainingBlock | \
nsChangeHint_AddOrRemoveTransform | \

2
layout/style/nsStyleStruct.cpp
View file

@ -3264,7 +3264,7 @@ nsStyleDisplay::CalcDifference(const nsStyleDisplay& aNewData) const
if (mOverflowX != aNewData.mOverflowX
|| mOverflowY != aNewData.mOverflowY) {
hint |= nsChangeHint_CSSOverflowChange;
hint |= nsChangeHint_ScrollbarChange;
}
/* Note: When mScrollBehavior, mScrollSnapTypeX, mScrollSnapTypeY,