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Merge remote-tracking branch 'origin/master' into custom

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This commit is contained in:
Roy Tam 2019-05-03 21:40:08 +08:00
commit 1d71489799
18 changed files with 200 additions and 106 deletions
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4
layout/base/FrameLayerBuilder.cpp
View file

@ -3648,6 +3648,10 @@ PaintedLayerData::AccumulateEventRegions(ContainerState* aState, nsDisplayLayerE
if (alreadyHadRegions) {
mDispatchToContentHitRegion.OrWith(CombinedTouchActionRegion());
}
// Avoid quadratic performance as a result of the region growing to include
// and arbitrarily large number of rects, which can happen on some pages.
mMaybeHitRegion.SimplifyOutward(8);
// Calculate scaled versions of the bounds of mHitRegion and mMaybeHitRegion
// for quick access in FindPaintedLayerFor().

2
layout/base/nsDisplayList.cpp
View file

@ -1096,7 +1096,6 @@ void
nsDisplayListBuilder::MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
const nsFrameList& aFrames,
const nsRect& aDirtyRect) {
mFramesMarkedForDisplay.SetCapacity(mFramesMarkedForDisplay.Length() + aFrames.GetLength());
for (nsIFrame* e : aFrames) {
// Skip the AccessibleCaret frame when building no caret.
if (!IsBuildingCaret()) {
@ -1108,6 +1107,7 @@ nsDisplayListBuilder::MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
}
}
}
mFramesMarkedForDisplay.AppendElement(e);
MarkOutOfFlowFrameForDisplay(aDirtyFrame, e, aDirtyRect);
}

2
layout/base/nsDisplayList.h
View file

@ -1200,7 +1200,7 @@ private:
PLArenaPool mPool;
nsCOMPtr<nsISelection> mBoundingSelection;
AutoTArray<PresShellState,8> mPresShellStates;
AutoTArray<nsIFrame*,100> mFramesMarkedForDisplay;
AutoTArray<nsIFrame*,400> mFramesMarkedForDisplay;
AutoTArray<ThemeGeometry,2> mThemeGeometries;
nsDisplayTableItem* mCurrentTableItem;
DisplayListClipState mClipState;