diff options
Diffstat (limited to 'layout/generic')
| -rw-r--r-- | layout/generic/StickyScrollContainer.cpp | 10 | ||||
| -rw-r--r-- | layout/generic/nsFrame.cpp | 8 |
2 files changed, 13 insertions, 5 deletions
diff --git a/layout/generic/StickyScrollContainer.cpp b/layout/generic/StickyScrollContainer.cpp index ca68992c3..c5ed44e92 100644 --- a/layout/generic/StickyScrollContainer.cpp +++ b/layout/generic/StickyScrollContainer.cpp @@ -45,7 +45,7 @@ StickyScrollContainer::GetStickyScrollContainerForFrame(nsIFrame* aFrame) // <html style="position: fixed"> return nullptr; } - auto frame = static_cast<nsIFrame*>(do_QueryFrame(scrollFrame)); + nsIFrame* frame = do_QueryFrame(scrollFrame); StickyScrollContainer* s = frame->GetProperty(StickyScrollContainerProperty()); if (!s) { @@ -176,6 +176,14 @@ StickyScrollContainer::ComputeStickyLimits(nsIFrame* aFrame, nsRect* aStick, nsRect rect = nsLayoutUtils::GetAllInFlowRectsUnion(aFrame, aFrame->GetParent()); + // Note: Table row groups aren't supposed to be containing blocks, but we treat + // them as such anyway. + // Not having this basically disables position:sticky on table cells, which + // would be really unfortunate, and doesn't match what other browsers do. + if (cbFrame != scrolledFrame && cbFrame->GetType() == nsGkAtoms::tableRowGroupFrame) { + cbFrame = cbFrame->GetContainingBlock(); + } + // Containing block limits for the position of aFrame relative to its parent. // The margin box of the sticky element stays within the content box of the // contaning-block element. diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp index a531dea07..bbbb5c332 100644 --- a/layout/generic/nsFrame.cpp +++ b/layout/generic/nsFrame.cpp @@ -562,15 +562,12 @@ nsFrame::Init(nsIContent* aContent, } if (disp->mPosition == NS_STYLE_POSITION_STICKY && !aPrevInFlow && - !(mState & NS_FRAME_IS_NONDISPLAY) && - !disp->IsInnerTableStyle()) { + !(mState & NS_FRAME_IS_NONDISPLAY)) { // Note that we only add first continuations, but we really only // want to add first continuation-or-ib-split-siblings. But since we // don't yet know if we're a later part of a block-in-inline split, // we'll just add later members of a block-in-inline split here, and // then StickyScrollContainer will remove them later. - // We don't currently support relative positioning of inner table - // elements (bug 35168), so exclude them from sticky positioning too. StickyScrollContainer* ssc = StickyScrollContainer::GetStickyScrollContainerForFrame(this); if (ssc) { @@ -6629,6 +6626,9 @@ GetNearestBlockContainer(nsIFrame* frame) // Since the parent of such a block is either a normal block or // another such pseudo, this shouldn't cause anything bad to happen. // Also the anonymous blocks inside table cells are not containing blocks. + // + // If we ever start skipping table row groups from being containing blocks, + // we need to remove the containing block assignment in StickyScrollContainer . while (frame->IsFrameOfType(nsIFrame::eLineParticipant) || frame->IsBlockWrapper() || // Table rows are not containing blocks either |