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Bug 790260 - Make CollectFloats remove the IS_PUSHED_FLOAT bit in case the float was collected from the PushedFloats list. r=roc

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This commit is contained in:
Mats Palmgren
2015-10-07 00:54:51 +02:00
parent 55e01576aa
commit 901b911c7d
1 changed files with 17 additions and 0 deletions
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17
layout/generic/nsBlockFrame.cpp
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@@ -2001,6 +2001,8 @@ nsBlockFrame::ReparentFloats(nsIFrame* aFirstFrame, nsBlockFrame* aOldParent,
aOldParent->CollectFloats(aFirstFrame, list, aReparentSiblings);
if (list.NotEmpty()) {
for (nsIFrame* f : list) {
MOZ_ASSERT(!(f->GetStateBits() & NS_FRAME_IS_PUSHED_FLOAT),
"CollectFloats should've removed that bit");
ReparentFrame(f, aOldParent, this);
}
mFloats.AppendFrames(nullptr, list);
@@ -4576,6 +4578,12 @@ nsBlockFrame::PushLines(nsBlockReflowState& aState,
CollectFloats(overBegin->mFirstChild, floats, true);
if (floats.NotEmpty()) {
#ifdef DEBUG
for (nsIFrame* f : floats) {
MOZ_ASSERT(!(f->GetStateBits() & NS_FRAME_IS_PUSHED_FLOAT),
"CollectFloats should've removed that bit");
}
#endif
// Push the floats onto the front of the overflow out-of-flows list
nsAutoOOFFrameList oofs(this);
oofs.mList.InsertFrames(nullptr, nullptr, floats);
@@ -4705,6 +4713,12 @@ nsBlockFrame::DrainSelfOverflowList()
// already ours. But we should put overflow floats back in mFloats.
nsAutoOOFFrameList oofs(this);
if (oofs.mList.NotEmpty()) {
#ifdef DEBUG
for (nsIFrame* f : oofs.mList) {
MOZ_ASSERT(!(f->GetStateBits() & NS_FRAME_IS_PUSHED_FLOAT),
"CollectFloats should've removed that bit");
}
#endif
// The overflow floats go after our regular floats.
mFloats.AppendFrames(nullptr, oofs.mList);
}
@@ -7171,6 +7185,9 @@ nsBlockFrame::DoCollectFloats(nsIFrame* aFrame, nsFrameList& aList,
nsLayoutUtils::GetFloatFromPlaceholder(aFrame) : nullptr;
while (outOfFlowFrame && outOfFlowFrame->GetParent() == this) {
RemoveFloat(outOfFlowFrame);
// Remove the IS_PUSHED_FLOAT bit, in case |outOfFlowFrame| came from
// the PushedFloats list.
outOfFlowFrame->RemoveStateBits(NS_FRAME_IS_PUSHED_FLOAT);
aList.AppendFrame(nullptr, outOfFlowFrame);
outOfFlowFrame = outOfFlowFrame->GetNextInFlow();
// FIXME: By not pulling floats whose parent is one of our