forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			1016 lines
		
	
	
	
		
			41 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1016 lines
		
	
	
	
		
			41 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "nsTableWrapperFrame.h"
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| 
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| #include "nsFrameManager.h"
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| #include "nsTableFrame.h"
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| #include "nsTableCellFrame.h"
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| #include "mozilla/ComputedStyle.h"
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| #include "nsStyleConsts.h"
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| #include "nsPresContext.h"
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| #include "nsCSSRendering.h"
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| #include "nsIContent.h"
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| #include "prinrval.h"
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| #include "nsGkAtoms.h"
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| #include "nsHTMLParts.h"
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| #include "nsIPresShell.h"
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| #include "nsIServiceManager.h"
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| #include "nsDisplayList.h"
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| #include "nsLayoutUtils.h"
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| #include "nsIFrameInlines.h"
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| #include <algorithm>
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| 
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| using namespace mozilla;
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| using namespace mozilla::layout;
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| 
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| #define NO_SIDE 100
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| 
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| /* virtual */ nscoord nsTableWrapperFrame::GetLogicalBaseline(
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|     WritingMode aWritingMode) const {
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|   nsIFrame* kid = mFrames.FirstChild();
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|   if (!kid) {
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|     MOZ_ASSERT_UNREACHABLE("no inner table");
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|     return nsContainerFrame::GetLogicalBaseline(aWritingMode);
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|   }
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| 
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|   return kid->GetLogicalBaseline(aWritingMode) +
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|          kid->BStart(aWritingMode, mRect.Size());
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| }
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| 
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| nsTableWrapperFrame::nsTableWrapperFrame(ComputedStyle* aStyle,
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|                                          nsPresContext* aPresContext,
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|                                          ClassID aID)
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|     : nsContainerFrame(aStyle, aPresContext, aID) {}
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| 
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| nsTableWrapperFrame::~nsTableWrapperFrame() {}
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| 
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| NS_QUERYFRAME_HEAD(nsTableWrapperFrame)
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|   NS_QUERYFRAME_ENTRY(nsTableWrapperFrame)
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| NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
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| 
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| #ifdef ACCESSIBILITY
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| a11y::AccType nsTableWrapperFrame::AccessibleType() {
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|   return a11y::eHTMLTableType;
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| }
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| #endif
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| 
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| void nsTableWrapperFrame::DestroyFrom(nsIFrame* aDestructRoot,
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|                                       PostDestroyData& aPostDestroyData) {
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|   DestroyAbsoluteFrames(aDestructRoot, aPostDestroyData);
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|   mCaptionFrames.DestroyFramesFrom(aDestructRoot, aPostDestroyData);
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|   nsContainerFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
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| }
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| 
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| const nsFrameList& nsTableWrapperFrame::GetChildList(
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|     ChildListID aListID) const {
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|   if (aListID == kCaptionList) {
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|     return mCaptionFrames;
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|   }
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| 
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|   return nsContainerFrame::GetChildList(aListID);
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| }
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| 
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| void nsTableWrapperFrame::GetChildLists(nsTArray<ChildList>* aLists) const {
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|   nsContainerFrame::GetChildLists(aLists);
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|   mCaptionFrames.AppendIfNonempty(aLists, kCaptionList);
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| }
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| 
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| void nsTableWrapperFrame::SetInitialChildList(ChildListID aListID,
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|                                               nsFrameList& aChildList) {
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|   if (kCaptionList == aListID) {
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|     // the frame constructor already checked for table-caption display type
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|     MOZ_ASSERT(mCaptionFrames.IsEmpty(),
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|                "already have child frames in CaptionList");
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|     mCaptionFrames.SetFrames(aChildList);
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|   } else {
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|     MOZ_ASSERT(kPrincipalList != aListID ||
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|                    (aChildList.FirstChild() &&
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|                     aChildList.FirstChild() == aChildList.LastChild() &&
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|                     aChildList.FirstChild()->IsTableFrame()),
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|                "expected a single table frame in principal child list");
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|     nsContainerFrame::SetInitialChildList(aListID, aChildList);
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|   }
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| }
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| 
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| void nsTableWrapperFrame::AppendFrames(ChildListID aListID,
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|                                        nsFrameList& aFrameList) {
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|   // We only have two child frames: the inner table and a caption frame.
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|   // The inner frame is provided when we're initialized, and it cannot change
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|   MOZ_ASSERT(kCaptionList == aListID, "unexpected child list");
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|   MOZ_ASSERT(aFrameList.IsEmpty() || aFrameList.FirstChild()->IsTableCaption(),
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|              "appending non-caption frame to captionList");
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|   mCaptionFrames.AppendFrames(this, aFrameList);
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| 
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|   // Reflow the new caption frame. It's already marked dirty, so
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|   // just tell the pres shell.
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|   PresShell()->FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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|                                 NS_FRAME_HAS_DIRTY_CHILDREN);
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|   // The presence of caption frames makes us sort our display
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|   // list differently, so mark us as changed for the new
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|   // ordering.
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|   MarkNeedsDisplayItemRebuild();
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| }
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| 
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| void nsTableWrapperFrame::InsertFrames(ChildListID aListID,
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|                                        nsIFrame* aPrevFrame,
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|                                        nsFrameList& aFrameList) {
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|   MOZ_ASSERT(kCaptionList == aListID, "unexpected child list");
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|   MOZ_ASSERT(aFrameList.IsEmpty() || aFrameList.FirstChild()->IsTableCaption(),
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|              "inserting non-caption frame into captionList");
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|   MOZ_ASSERT(!aPrevFrame || aPrevFrame->GetParent() == this,
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|              "inserting after sibling frame with different parent");
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|   mCaptionFrames.InsertFrames(nullptr, aPrevFrame, aFrameList);
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| 
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|   // Reflow the new caption frame. It's already marked dirty, so
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|   // just tell the pres shell.
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|   PresShell()->FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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|                                 NS_FRAME_HAS_DIRTY_CHILDREN);
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|   MarkNeedsDisplayItemRebuild();
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| }
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| 
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| void nsTableWrapperFrame::RemoveFrame(ChildListID aListID,
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|                                       nsIFrame* aOldFrame) {
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|   // We only have two child frames: the inner table and one caption frame.
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|   // The inner frame can't be removed so this should be the caption
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|   MOZ_ASSERT(kCaptionList == aListID, "can't remove inner frame");
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| 
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|   if (HasSideCaption()) {
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|     // The old caption isize had an effect on the inner table isize, so
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|     // we're going to need to reflow it. Mark it dirty
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|     InnerTableFrame()->AddStateBits(NS_FRAME_IS_DIRTY);
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|   }
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| 
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|   // Remove the frame and destroy it
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|   mCaptionFrames.DestroyFrame(aOldFrame);
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| 
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|   PresShell()->FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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|                                 NS_FRAME_HAS_DIRTY_CHILDREN);
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|   MarkNeedsDisplayItemRebuild();
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| }
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| 
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| void nsTableWrapperFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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|                                            const nsDisplayListSet& aLists) {
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|   // No border, background or outline are painted because they all belong
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|   // to the inner table.
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| 
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|   // If there's no caption, take a short cut to avoid having to create
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|   // the special display list set and then sort it.
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|   if (mCaptionFrames.IsEmpty()) {
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|     BuildDisplayListForInnerTable(aBuilder, aLists);
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|     return;
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|   }
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| 
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|   nsDisplayListCollection set(aBuilder);
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|   BuildDisplayListForInnerTable(aBuilder, set);
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| 
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|   nsDisplayListSet captionSet(set, set.BlockBorderBackgrounds());
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|   BuildDisplayListForChild(aBuilder, mCaptionFrames.FirstChild(), captionSet);
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| 
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|   // Now we have to sort everything by content order, since the caption
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|   // may be somewhere inside the table.
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|   // We don't sort BlockBorderBackgrounds and BorderBackgrounds because the
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|   // display items in those lists should stay out of content order in order to
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|   // follow the rules in https://www.w3.org/TR/CSS21/zindex.html#painting-order
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|   // and paint the caption background after all of the rest.
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|   set.Floats()->SortByContentOrder(GetContent());
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|   set.Content()->SortByContentOrder(GetContent());
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|   set.PositionedDescendants()->SortByContentOrder(GetContent());
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|   set.Outlines()->SortByContentOrder(GetContent());
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|   set.MoveTo(aLists);
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| }
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| 
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| void nsTableWrapperFrame::BuildDisplayListForInnerTable(
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|     nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) {
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|   // Just paint the regular children, but the children's background is our
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|   // true background (there should only be one, the real table)
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|   nsIFrame* kid = mFrames.FirstChild();
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|   // The children should be in content order
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|   while (kid) {
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|     BuildDisplayListForChild(aBuilder, kid, aLists);
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|     kid = kid->GetNextSibling();
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|   }
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| }
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| 
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| ComputedStyle* nsTableWrapperFrame::GetParentComputedStyle(
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|     nsIFrame** aProviderFrame) const {
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|   // The table wrapper frame and the (inner) table frame split the style
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|   // data by giving the table frame the ComputedStyle associated with
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|   // the table content node and creating a ComputedStyle for the wrapper
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|   // frame that is a *child* of the table frame's ComputedStyle,
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|   // matching the ::-moz-table-wrapper pseudo-element. html.css has a
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|   // rule that causes that pseudo-element (and thus the wrapper table)
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|   // to inherit *some* style properties from the table frame.  The
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|   // children of the table inherit directly from the inner table, and
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|   // the table wrapper's ComputedStyle is a leaf.
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| 
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|   return (*aProviderFrame = InnerTableFrame())->Style();
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| }
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| 
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| // INCREMENTAL REFLOW HELPER FUNCTIONS
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| 
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| void nsTableWrapperFrame::InitChildReflowInput(nsPresContext& aPresContext,
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|                                                const ReflowInput& aOuterRI,
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|                                                ReflowInput& aReflowInput) {
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|   nsMargin collapseBorder;
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|   nsMargin collapsePadding(0, 0, 0, 0);
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|   nsMargin* pCollapseBorder = nullptr;
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|   nsMargin* pCollapsePadding = nullptr;
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|   Maybe<LogicalSize> cbSize;
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|   if (aReflowInput.mFrame == InnerTableFrame()) {
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|     WritingMode wm = aReflowInput.GetWritingMode();
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|     if (InnerTableFrame()->IsBorderCollapse()) {
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|       LogicalMargin border = InnerTableFrame()->GetIncludedOuterBCBorder(wm);
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|       collapseBorder = border.GetPhysicalMargin(wm);
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|       pCollapseBorder = &collapseBorder;
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|       pCollapsePadding = &collapsePadding;
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|     }
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|     // Propagate our stored CB size if present, minus any margins.
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|     if (!HasAnyStateBits(NS_FRAME_OUT_OF_FLOW)) {
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|       LogicalSize* cb = GetProperty(GridItemCBSizeProperty());
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|       if (cb) {
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|         cbSize.emplace(*cb);
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|         *cbSize -= aReflowInput.ComputedLogicalMargin().Size(wm);
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|       }
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|     }
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|     if (!cbSize) {
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|       // For inner table frames, the containing block is the same as for
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|       // the outer table frame.
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|       cbSize.emplace(aOuterRI.mContainingBlockSize);
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|     }
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|   }
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|   aReflowInput.Init(&aPresContext, cbSize.ptrOr(nullptr), pCollapseBorder,
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|                     pCollapsePadding);
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| }
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| 
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| // get the margin and padding data. ReflowInput doesn't handle the
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| // case of auto margins
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| void nsTableWrapperFrame::GetChildMargin(nsPresContext* aPresContext,
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|                                          const ReflowInput& aOuterRI,
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|                                          nsIFrame* aChildFrame,
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|                                          nscoord aAvailISize,
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|                                          LogicalMargin& aMargin) {
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|   NS_ASSERTION(!aChildFrame->IsTableCaption(),
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|                "didn't expect caption frame; writing-mode may be wrong!");
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| 
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|   // construct a reflow state to compute margin and padding. Auto margins
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|   // will not be computed at this time.
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| 
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|   // create and init the child reflow state
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|   // XXX We really shouldn't construct a reflow state to do this.
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|   WritingMode wm = aOuterRI.GetWritingMode();
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|   LogicalSize availSize(wm, aAvailISize, aOuterRI.AvailableSize(wm).BSize(wm));
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|   ReflowInput childRI(aPresContext, aOuterRI, aChildFrame, availSize, nullptr,
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|                       ReflowInput::CALLER_WILL_INIT);
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|   InitChildReflowInput(*aPresContext, aOuterRI, childRI);
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| 
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|   aMargin = childRI.ComputedLogicalMargin();
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| }
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| 
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| static nsSize GetContainingBlockSize(const ReflowInput& aOuterRI) {
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|   nsSize size(0, 0);
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|   const ReflowInput* containRS = aOuterRI.mCBReflowInput;
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| 
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|   if (containRS) {
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|     size.width = containRS->ComputedWidth();
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|     if (NS_UNCONSTRAINEDSIZE == size.width) {
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|       size.width = 0;
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|     }
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|     size.height = containRS->ComputedHeight();
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|     if (NS_UNCONSTRAINEDSIZE == size.height) {
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|       size.height = 0;
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|     }
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|   }
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|   return size;
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| }
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| 
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| /* virtual */ nscoord nsTableWrapperFrame::GetMinISize(
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|     gfxContext* aRenderingContext) {
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|   nscoord iSize = nsLayoutUtils::IntrinsicForContainer(
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|       aRenderingContext, InnerTableFrame(), nsLayoutUtils::MIN_ISIZE);
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|   DISPLAY_MIN_INLINE_SIZE(this, iSize);
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|   if (mCaptionFrames.NotEmpty()) {
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|     nscoord capISize = nsLayoutUtils::IntrinsicForContainer(
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|         aRenderingContext, mCaptionFrames.FirstChild(),
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|         nsLayoutUtils::MIN_ISIZE);
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|     if (HasSideCaption()) {
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|       iSize += capISize;
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|     } else {
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|       if (capISize > iSize) {
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|         iSize = capISize;
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|       }
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|     }
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|   }
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|   return iSize;
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| }
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| 
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| /* virtual */ nscoord nsTableWrapperFrame::GetPrefISize(
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|     gfxContext* aRenderingContext) {
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|   nscoord maxISize;
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|   DISPLAY_PREF_INLINE_SIZE(this, maxISize);
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| 
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|   maxISize = nsLayoutUtils::IntrinsicForContainer(
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|       aRenderingContext, InnerTableFrame(), nsLayoutUtils::PREF_ISIZE);
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|   if (mCaptionFrames.NotEmpty()) {
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|     uint8_t captionSide = GetCaptionSide();
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|     switch (captionSide) {
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|       case NS_STYLE_CAPTION_SIDE_LEFT:
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|       case NS_STYLE_CAPTION_SIDE_RIGHT: {
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|         nscoord capMin = nsLayoutUtils::IntrinsicForContainer(
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|             aRenderingContext, mCaptionFrames.FirstChild(),
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|             nsLayoutUtils::MIN_ISIZE);
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|         maxISize += capMin;
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|       } break;
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|       default: {
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|         nsLayoutUtils::IntrinsicISizeType iwt;
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|         if (captionSide == NS_STYLE_CAPTION_SIDE_TOP ||
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|             captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) {
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|           // Don't let the caption's pref isize expand the table's pref
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|           // isize.
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|           iwt = nsLayoutUtils::MIN_ISIZE;
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|         } else {
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|           NS_ASSERTION(captionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE ||
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|                            captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE,
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|                        "unexpected caption side");
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|           iwt = nsLayoutUtils::PREF_ISIZE;
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|         }
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|         nscoord capPref = nsLayoutUtils::IntrinsicForContainer(
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|             aRenderingContext, mCaptionFrames.FirstChild(), iwt);
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|         maxISize = std::max(maxISize, capPref);
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|       } break;
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|     }
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|   }
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|   return maxISize;
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| }
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| 
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| nscoord nsTableWrapperFrame::ChildShrinkWrapISize(
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|     gfxContext* aRenderingContext, nsIFrame* aChildFrame, WritingMode aWM,
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|     LogicalSize aCBSize, nscoord aAvailableISize,
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|     nscoord* aMarginResult) const {
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|   AutoMaybeDisableFontInflation an(aChildFrame);
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| 
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|   // For the caption frame, child's WM may differ from the table's main WM.
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|   WritingMode childWM = aChildFrame->GetWritingMode();
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| 
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|   SizeComputationInput offsets(aChildFrame, aRenderingContext, aWM,
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|                                aCBSize.ISize(aWM));
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|   LogicalSize marginSize =
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|       offsets.ComputedLogicalMargin().Size(childWM).ConvertTo(aWM, childWM);
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|   LogicalSize paddingSize =
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|       offsets.ComputedLogicalPadding().Size(childWM).ConvertTo(aWM, childWM);
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|   LogicalSize bpSize =
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|       offsets.ComputedLogicalBorderPadding().Size(childWM).ConvertTo(aWM,
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|                                                                      childWM);
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| 
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|   // Shrink-wrap aChildFrame by default, except if we're a stretched grid item.
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|   auto flags = ComputeSizeFlags::eShrinkWrap;
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|   auto parent = GetParent();
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|   bool isGridItem = parent && parent->IsGridContainerFrame() &&
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|                     !HasAnyStateBits(NS_FRAME_OUT_OF_FLOW);
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|   if (MOZ_UNLIKELY(isGridItem) && !StyleMargin()->HasInlineAxisAuto(aWM)) {
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|     auto inlineAxisAlignment =
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|         aWM.IsOrthogonalTo(parent->GetWritingMode())
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|             ? StylePosition()->UsedAlignSelf(parent->Style())
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|             : StylePosition()->UsedJustifySelf(parent->Style());
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|     if (inlineAxisAlignment == NS_STYLE_ALIGN_NORMAL ||
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|         inlineAxisAlignment == NS_STYLE_ALIGN_STRETCH) {
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|       flags = nsIFrame::ComputeSizeFlags::eDefault;
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|     }
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|   }
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| 
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|   LogicalSize size = aChildFrame->ComputeSize(
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|       aRenderingContext, aWM, aCBSize, aAvailableISize, marginSize,
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|       bpSize - paddingSize, paddingSize, flags);
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|   if (aMarginResult) {
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|     *aMarginResult = offsets.ComputedLogicalMargin().IStartEnd(aWM);
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|   }
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|   return size.ISize(aWM) + marginSize.ISize(aWM) + bpSize.ISize(aWM);
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| }
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| 
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| /* virtual */
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| LogicalSize nsTableWrapperFrame::ComputeAutoSize(
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|     gfxContext* aRenderingContext, WritingMode aWM, const LogicalSize& aCBSize,
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|     nscoord aAvailableISize, const LogicalSize& aMargin,
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|     const LogicalSize& aBorder, const LogicalSize& aPadding,
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|     ComputeSizeFlags aFlags) {
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|   nscoord kidAvailableISize = aAvailableISize - aMargin.ISize(aWM);
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|   NS_ASSERTION(aBorder.IsAllZero() && aPadding.IsAllZero(),
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|                "Table wrapper frames cannot have borders or paddings");
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| 
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|   // When we're shrink-wrapping, our auto size needs to wrap around the
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|   // actual size of the table, which (if it is specified as a percent)
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|   // could be something that is not reflected in our GetMinISize and
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|   // GetPrefISize.  See bug 349457 for an example.
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| 
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|   // Match the availableISize logic in Reflow.
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|   uint8_t captionSide = GetCaptionSide();
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|   nscoord inlineSize;
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|   if (captionSide == NO_SIDE) {
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|     inlineSize = ChildShrinkWrapISize(aRenderingContext, InnerTableFrame(), aWM,
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|                                       aCBSize, kidAvailableISize);
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|   } else if (captionSide == NS_STYLE_CAPTION_SIDE_LEFT ||
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|              captionSide == NS_STYLE_CAPTION_SIDE_RIGHT) {
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|     nscoord capISize =
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|         ChildShrinkWrapISize(aRenderingContext, mCaptionFrames.FirstChild(),
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|                              aWM, aCBSize, kidAvailableISize);
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|     inlineSize = capISize +
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|                  ChildShrinkWrapISize(aRenderingContext, InnerTableFrame(), aWM,
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|                                       aCBSize, kidAvailableISize - capISize);
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|   } else if (captionSide == NS_STYLE_CAPTION_SIDE_TOP ||
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|              captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) {
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|     nscoord margin;
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|     inlineSize = ChildShrinkWrapISize(aRenderingContext, InnerTableFrame(), aWM,
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|                                       aCBSize, kidAvailableISize, &margin);
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|     nscoord capISize =
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|         ChildShrinkWrapISize(aRenderingContext, mCaptionFrames.FirstChild(),
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|                              aWM, aCBSize, inlineSize - margin);
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|     if (capISize > inlineSize) {
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|       inlineSize = capISize;
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|     }
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|   } else {
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|     NS_ASSERTION(captionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE ||
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|                      captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE,
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|                  "unexpected caption-side");
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|     inlineSize = ChildShrinkWrapISize(aRenderingContext, InnerTableFrame(), aWM,
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|                                       aCBSize, kidAvailableISize);
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|     nscoord capISize =
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|         ChildShrinkWrapISize(aRenderingContext, mCaptionFrames.FirstChild(),
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|                              aWM, aCBSize, kidAvailableISize);
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|     if (capISize > inlineSize) {
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|       inlineSize = capISize;
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|     }
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|   }
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| 
 | |
|   return LogicalSize(aWM, inlineSize, NS_UNCONSTRAINEDSIZE);
 | |
| }
 | |
| 
 | |
| uint8_t nsTableWrapperFrame::GetCaptionSide() {
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     return mCaptionFrames.FirstChild()->StyleTableBorder()->mCaptionSide;
 | |
|   } else {
 | |
|     return NO_SIDE;  // no caption
 | |
|   }
 | |
| }
 | |
| 
 | |
| uint8_t nsTableWrapperFrame::GetCaptionVerticalAlign() {
 | |
|   const nsStyleCoord& va =
 | |
|       mCaptionFrames.FirstChild()->StyleDisplay()->mVerticalAlign;
 | |
| 
 | |
|   return (va.GetUnit() == eStyleUnit_Enumerated) ? va.GetIntValue()
 | |
|                                                  : NS_STYLE_VERTICAL_ALIGN_TOP;
 | |
| }
 | |
| 
 | |
| void nsTableWrapperFrame::SetDesiredSize(uint8_t aCaptionSide,
 | |
|                                          const LogicalSize& aInnerSize,
 | |
|                                          const LogicalSize& aCaptionSize,
 | |
|                                          const LogicalMargin& aInnerMargin,
 | |
|                                          const LogicalMargin& aCaptionMargin,
 | |
|                                          nscoord& aISize, nscoord& aBSize,
 | |
|                                          WritingMode aWM) {
 | |
|   aISize = aBSize = 0;
 | |
| 
 | |
|   // compute the overall inline-size
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|       aISize =
 | |
|           std::max(aInnerMargin.LineLeft(aWM),
 | |
|                    aCaptionMargin.IStartEnd(aWM) + aCaptionSize.ISize(aWM)) +
 | |
|           aInnerSize.ISize(aWM) + aInnerMargin.LineRight(aWM);
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|       aISize =
 | |
|           std::max(aInnerMargin.LineRight(aWM),
 | |
|                    aCaptionMargin.IStartEnd(aWM) + aCaptionSize.ISize(aWM)) +
 | |
|           aInnerSize.ISize(aWM) + aInnerMargin.LineLeft(aWM);
 | |
|       break;
 | |
|     default:
 | |
|       aISize =
 | |
|           std::max(aInnerMargin.IStartEnd(aWM) + aInnerSize.ISize(aWM),
 | |
|                    aCaptionMargin.IStartEnd(aWM) + aCaptionSize.ISize(aWM));
 | |
|       break;
 | |
|   }
 | |
| 
 | |
|   // compute the overall block-size
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP:
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
 | |
|       aBSize = aInnerSize.BSize(aWM) + aInnerMargin.BEnd(aWM);
 | |
|       aBSize +=
 | |
|           std::max(aInnerMargin.BStart(aWM),
 | |
|                    aCaptionSize.BSize(aWM) + aCaptionMargin.BStartEnd(aWM));
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM:
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
 | |
|       aBSize = aInnerSize.BSize(aWM) + aInnerMargin.BStart(aWM);
 | |
|       aBSize +=
 | |
|           std::max(aInnerMargin.BEnd(aWM),
 | |
|                    aCaptionSize.BSize(aWM) + aCaptionMargin.BStartEnd(aWM));
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|       aBSize = aInnerMargin.BStart(aWM);
 | |
|       aBSize += std::max(aInnerSize.BSize(aWM) + aInnerMargin.BEnd(aWM),
 | |
|                          aCaptionSize.BSize(aWM) + aCaptionMargin.BEnd(aWM));
 | |
|       break;
 | |
|     default:
 | |
|       NS_ASSERTION(aCaptionSide == NO_SIDE, "unexpected caption side");
 | |
|       aBSize = aInnerSize.BSize(aWM) + aInnerMargin.BStartEnd(aWM);
 | |
|       break;
 | |
|   }
 | |
| 
 | |
|   // negative sizes can upset overflow-area code
 | |
|   aISize = std::max(aISize, 0);
 | |
|   aBSize = std::max(aBSize, 0);
 | |
| }
 | |
| 
 | |
| nsresult nsTableWrapperFrame::GetCaptionOrigin(
 | |
|     uint32_t aCaptionSide, const LogicalSize& aContainBlockSize,
 | |
|     const LogicalSize& aInnerSize, const LogicalMargin& aInnerMargin,
 | |
|     const LogicalSize& aCaptionSize, LogicalMargin& aCaptionMargin,
 | |
|     LogicalPoint& aOrigin, WritingMode aWM) {
 | |
|   aOrigin.I(aWM) = aOrigin.B(aWM) = 0;
 | |
|   if ((NS_UNCONSTRAINEDSIZE == aInnerSize.ISize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aInnerSize.BSize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aCaptionSize.ISize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aCaptionSize.BSize(aWM))) {
 | |
|     return NS_OK;
 | |
|   }
 | |
|   if (mCaptionFrames.IsEmpty()) {
 | |
|     return NS_OK;
 | |
|   }
 | |
| 
 | |
|   NS_ASSERTION(NS_AUTOMARGIN != aCaptionMargin.IStart(aWM) &&
 | |
|                    NS_AUTOMARGIN != aCaptionMargin.BStart(aWM) &&
 | |
|                    NS_AUTOMARGIN != aCaptionMargin.BEnd(aWM),
 | |
|                "The computed caption margin is auto?");
 | |
| 
 | |
|   // inline-dir computation
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM:
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
 | |
|       aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
 | |
|       if (aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) {
 | |
|         // We placed the caption using only the table's isize as available
 | |
|         // isize, and we should position it this way as well.
 | |
|         aOrigin.I(aWM) += aInnerMargin.IStart(aWM);
 | |
|       }
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|       aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
 | |
|       if (aWM.IsBidiLTR() == (aCaptionSide == NS_STYLE_CAPTION_SIDE_RIGHT)) {
 | |
|         aOrigin.I(aWM) += aInnerMargin.IStart(aWM) + aInnerSize.ISize(aWM);
 | |
|       }
 | |
|       break;
 | |
|     default:  // block-start
 | |
|       NS_ASSERTION(aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP ||
 | |
|                        aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE,
 | |
|                    "unexpected caption side");
 | |
|       aOrigin.I(aWM) = aCaptionMargin.IStart(aWM);
 | |
|       if (aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP) {
 | |
|         // We placed the caption using only the table's isize as available
 | |
|         // isize, and we should position it this way as well.
 | |
|         aOrigin.I(aWM) += aInnerMargin.IStart(aWM);
 | |
|       }
 | |
|       break;
 | |
|   }
 | |
|   // block-dir computation
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
 | |
|       switch (GetCaptionVerticalAlign()) {
 | |
|         case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
 | |
|           aOrigin.B(aWM) = std::max(
 | |
|               0, aInnerMargin.BStart(aWM) +
 | |
|                      ((aInnerSize.BSize(aWM) - aCaptionSize.BSize(aWM)) / 2));
 | |
|           break;
 | |
|         case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
 | |
|           aOrigin.B(aWM) =
 | |
|               std::max(0, aInnerMargin.BStart(aWM) + aInnerSize.BSize(aWM) -
 | |
|                               aCaptionSize.BSize(aWM));
 | |
|           break;
 | |
|         default:
 | |
|           break;
 | |
|       }
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aInnerSize.BSize(aWM) +
 | |
|                        aCaptionMargin.BStart(aWM);
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aCaptionMargin.BStart(aWM);
 | |
|       break;
 | |
|     default:
 | |
|       MOZ_ASSERT_UNREACHABLE("Unknown caption alignment type");
 | |
|       break;
 | |
|   }
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| nsresult nsTableWrapperFrame::GetInnerOrigin(
 | |
|     uint32_t aCaptionSide, const LogicalSize& aContainBlockSize,
 | |
|     const LogicalSize& aCaptionSize, const LogicalMargin& aCaptionMargin,
 | |
|     const LogicalSize& aInnerSize, LogicalMargin& aInnerMargin,
 | |
|     LogicalPoint& aOrigin, WritingMode aWM) {
 | |
|   NS_ASSERTION(NS_AUTOMARGIN != aCaptionMargin.IStart(aWM) &&
 | |
|                    NS_AUTOMARGIN != aCaptionMargin.IEnd(aWM),
 | |
|                "The computed caption margin is auto?");
 | |
|   NS_ASSERTION(NS_AUTOMARGIN != aInnerMargin.IStart(aWM) &&
 | |
|                    NS_AUTOMARGIN != aInnerMargin.IEnd(aWM) &&
 | |
|                    NS_AUTOMARGIN != aInnerMargin.BStart(aWM) &&
 | |
|                    NS_AUTOMARGIN != aInnerMargin.BEnd(aWM),
 | |
|                "The computed inner margin is auto?");
 | |
| 
 | |
|   aOrigin.I(aWM) = aOrigin.B(aWM) = 0;
 | |
|   if ((NS_UNCONSTRAINEDSIZE == aInnerSize.ISize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aInnerSize.BSize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aCaptionSize.ISize(aWM)) ||
 | |
|       (NS_UNCONSTRAINEDSIZE == aCaptionSize.BSize(aWM))) {
 | |
|     return NS_OK;
 | |
|   }
 | |
| 
 | |
|   nscoord minCapISize = aCaptionSize.ISize(aWM) + aCaptionMargin.IStartEnd(aWM);
 | |
| 
 | |
|   // inline-dir computation
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|       if (aWM.IsBidiLTR() == (aCaptionSide == NS_STYLE_CAPTION_SIDE_LEFT)) {
 | |
|         if (aInnerMargin.IStart(aWM) < minCapISize) {
 | |
|           // shift the inner table to get some place for the caption
 | |
|           aInnerMargin.IEnd(aWM) += aInnerMargin.IStart(aWM) - minCapISize;
 | |
|           aInnerMargin.IEnd(aWM) = std::max(0, aInnerMargin.IEnd(aWM));
 | |
|           aInnerMargin.IStart(aWM) = minCapISize;
 | |
|         }
 | |
|       }
 | |
|       aOrigin.I(aWM) = aInnerMargin.IStart(aWM);
 | |
|       break;
 | |
|     default:
 | |
|       NS_ASSERTION(aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP ||
 | |
|                        aCaptionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE ||
 | |
|                        aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM ||
 | |
|                        aCaptionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE ||
 | |
|                        aCaptionSide == NO_SIDE,
 | |
|                    "unexpected caption side");
 | |
|       aOrigin.I(aWM) = aInnerMargin.IStart(aWM);
 | |
|       break;
 | |
|   }
 | |
| 
 | |
|   // block-dir computation
 | |
|   switch (aCaptionSide) {
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM:
 | |
|     case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
 | |
|       break;
 | |
|     case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|     case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM);
 | |
|       switch (GetCaptionVerticalAlign()) {
 | |
|         case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
 | |
|           aOrigin.B(aWM) =
 | |
|               std::max(aInnerMargin.BStart(aWM),
 | |
|                        (aCaptionSize.BSize(aWM) - aInnerSize.BSize(aWM)) / 2);
 | |
|           break;
 | |
|         case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
 | |
|           aOrigin.B(aWM) =
 | |
|               std::max(aInnerMargin.BStart(aWM),
 | |
|                        aCaptionSize.BSize(aWM) - aInnerSize.BSize(aWM));
 | |
|           break;
 | |
|         default:
 | |
|           break;
 | |
|       }
 | |
|       break;
 | |
|     case NO_SIDE:
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
 | |
|     case NS_STYLE_CAPTION_SIDE_TOP:
 | |
|       aOrigin.B(aWM) = aInnerMargin.BStart(aWM) + aCaptionSize.BSize(aWM) +
 | |
|                        aCaptionMargin.BStartEnd(aWM);
 | |
|       break;
 | |
|     default:
 | |
|       MOZ_ASSERT_UNREACHABLE("Unknown caption alignment type");
 | |
|       break;
 | |
|   }
 | |
|   return NS_OK;
 | |
| }
 | |
| 
 | |
| void nsTableWrapperFrame::OuterBeginReflowChild(nsPresContext* aPresContext,
 | |
|                                                 nsIFrame* aChildFrame,
 | |
|                                                 const ReflowInput& aOuterRI,
 | |
|                                                 Maybe<ReflowInput>& aChildRI,
 | |
|                                                 nscoord aAvailISize) {
 | |
|   // work around pixel rounding errors, round down to ensure we don't exceed the
 | |
|   // avail height in
 | |
|   WritingMode wm = aChildFrame->GetWritingMode();
 | |
|   LogicalSize outerSize = aOuterRI.AvailableSize(wm);
 | |
|   nscoord availBSize = outerSize.BSize(wm);
 | |
|   if (NS_UNCONSTRAINEDSIZE != availBSize) {
 | |
|     if (mCaptionFrames.FirstChild() == aChildFrame) {
 | |
|       availBSize = NS_UNCONSTRAINEDSIZE;
 | |
|     } else {
 | |
|       LogicalMargin margin(wm);
 | |
|       GetChildMargin(aPresContext, aOuterRI, aChildFrame, outerSize.ISize(wm),
 | |
|                      margin);
 | |
| 
 | |
|       NS_ASSERTION(NS_UNCONSTRAINEDSIZE != margin.BStart(wm),
 | |
|                    "No unconstrainedsize arithmetic, please");
 | |
|       availBSize -= margin.BStart(wm);
 | |
| 
 | |
|       NS_ASSERTION(NS_UNCONSTRAINEDSIZE != margin.BEnd(wm),
 | |
|                    "No unconstrainedsize arithmetic, please");
 | |
|       availBSize -= margin.BEnd(wm);
 | |
|     }
 | |
|   }
 | |
|   LogicalSize availSize(wm, aAvailISize, availBSize);
 | |
|   // create and init the child reflow state, using passed-in Maybe<>,
 | |
|   // so that caller can use it after we return.
 | |
|   aChildRI.emplace(aPresContext, aOuterRI, aChildFrame, availSize, nullptr,
 | |
|                    ReflowInput::CALLER_WILL_INIT);
 | |
|   InitChildReflowInput(*aPresContext, aOuterRI, *aChildRI);
 | |
| 
 | |
|   // see if we need to reset top-of-page due to a caption
 | |
|   if (aChildRI->mFlags.mIsTopOfPage &&
 | |
|       mCaptionFrames.FirstChild() == aChildFrame) {
 | |
|     uint8_t captionSide = GetCaptionSide();
 | |
|     if (captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM ||
 | |
|         captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE) {
 | |
|       aChildRI->mFlags.mIsTopOfPage = false;
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| void nsTableWrapperFrame::OuterDoReflowChild(nsPresContext* aPresContext,
 | |
|                                              nsIFrame* aChildFrame,
 | |
|                                              const ReflowInput& aChildRI,
 | |
|                                              ReflowOutput& aMetrics,
 | |
|                                              nsReflowStatus& aStatus) {
 | |
|   // Using zero as containerSize here because we want consistency between
 | |
|   // the GetLogicalPosition and ReflowChild calls, to avoid unnecessarily
 | |
|   // changing the frame's coordinates; but we don't yet know its final
 | |
|   // position anyway so the actual value is unimportant.
 | |
|   const nsSize zeroCSize;
 | |
|   WritingMode wm = aChildRI.GetWritingMode();
 | |
| 
 | |
|   // Use the current position as a best guess for placement.
 | |
|   LogicalPoint childPt = aChildFrame->GetLogicalPosition(wm, zeroCSize);
 | |
|   uint32_t flags = NS_FRAME_NO_MOVE_FRAME;
 | |
| 
 | |
|   // We don't want to delete our next-in-flow's child if it's an inner table
 | |
|   // frame, because table wrapper frames always assume that their inner table
 | |
|   // frames don't go away. If a table wrapper frame is removed because it is
 | |
|   // a next-in-flow of an already complete table wrapper frame, then it will
 | |
|   // take care of removing it's inner table frame.
 | |
|   if (aChildFrame == InnerTableFrame()) {
 | |
|     flags |= NS_FRAME_NO_DELETE_NEXT_IN_FLOW_CHILD;
 | |
|   }
 | |
| 
 | |
|   ReflowChild(aChildFrame, aPresContext, aMetrics, aChildRI, wm, childPt,
 | |
|               zeroCSize, flags, aStatus);
 | |
| }
 | |
| 
 | |
| void nsTableWrapperFrame::UpdateOverflowAreas(ReflowOutput& aMet) {
 | |
|   aMet.SetOverflowAreasToDesiredBounds();
 | |
|   ConsiderChildOverflow(aMet.mOverflowAreas, InnerTableFrame());
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     ConsiderChildOverflow(aMet.mOverflowAreas, mCaptionFrames.FirstChild());
 | |
|   }
 | |
| }
 | |
| 
 | |
| void nsTableWrapperFrame::Reflow(nsPresContext* aPresContext,
 | |
|                                  ReflowOutput& aDesiredSize,
 | |
|                                  const ReflowInput& aOuterRI,
 | |
|                                  nsReflowStatus& aStatus) {
 | |
|   MarkInReflow();
 | |
|   DO_GLOBAL_REFLOW_COUNT("nsTableWrapperFrame");
 | |
|   DISPLAY_REFLOW(aPresContext, this, aOuterRI, aDesiredSize, aStatus);
 | |
|   MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
 | |
| 
 | |
|   // Initialize out parameters
 | |
|   aDesiredSize.ClearSize();
 | |
| 
 | |
|   if (!HasAnyStateBits(NS_FRAME_FIRST_REFLOW)) {
 | |
|     // Set up our kids.  They're already present, on an overflow list,
 | |
|     // or there are none so we'll create them now
 | |
|     MoveOverflowToChildList();
 | |
|   }
 | |
| 
 | |
|   Maybe<ReflowInput> captionRI;
 | |
|   Maybe<ReflowInput> innerRI;
 | |
| 
 | |
|   nsRect origCaptionRect;
 | |
|   nsRect origCaptionVisualOverflow;
 | |
|   bool captionFirstReflow = false;
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     origCaptionRect = mCaptionFrames.FirstChild()->GetRect();
 | |
|     origCaptionVisualOverflow =
 | |
|         mCaptionFrames.FirstChild()->GetVisualOverflowRect();
 | |
|     captionFirstReflow =
 | |
|         mCaptionFrames.FirstChild()->HasAnyStateBits(NS_FRAME_FIRST_REFLOW);
 | |
|   }
 | |
| 
 | |
|   // ComputeAutoSize has to match this logic.
 | |
|   WritingMode wm = aOuterRI.GetWritingMode();
 | |
|   uint8_t captionSide = GetCaptionSide();
 | |
|   WritingMode captionWM = wm;  // will be changed below if necessary
 | |
| 
 | |
|   if (captionSide == NO_SIDE) {
 | |
|     // We don't have a caption.
 | |
|     OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI,
 | |
|                           aOuterRI.ComputedSize(wm).ISize(wm));
 | |
|   } else if (captionSide == NS_STYLE_CAPTION_SIDE_LEFT ||
 | |
|              captionSide == NS_STYLE_CAPTION_SIDE_RIGHT) {
 | |
|     // ComputeAutoSize takes care of making side captions small. Compute
 | |
|     // the caption's size first, and tell the table to fit in what's left.
 | |
|     OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI,
 | |
|                           captionRI, aOuterRI.ComputedSize(wm).ISize(wm));
 | |
|     captionWM = captionRI->GetWritingMode();
 | |
|     nscoord innerAvailISize =
 | |
|         aOuterRI.ComputedSize(wm).ISize(wm) -
 | |
|         captionRI->ComputedSizeWithMarginBorderPadding(wm).ISize(wm);
 | |
|     OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI,
 | |
|                           innerAvailISize);
 | |
|   } else if (captionSide == NS_STYLE_CAPTION_SIDE_TOP ||
 | |
|              captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM) {
 | |
|     // Compute the table's size first, and then prevent the caption from
 | |
|     // being larger in the inline dir unless it has to be.
 | |
|     //
 | |
|     // Note that CSS 2.1 (but not 2.0) says:
 | |
|     //   The width of the anonymous box is the border-edge width of the
 | |
|     //   table box inside it
 | |
|     // We don't actually make our anonymous box that isize (if we did,
 | |
|     // it would break 'auto' margins), but this effectively does that.
 | |
|     OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI,
 | |
|                           aOuterRI.ComputedSize(wm).ISize(wm));
 | |
|     // It's good that CSS 2.1 says not to include margins, since we
 | |
|     // can't, since they already been converted so they exactly
 | |
|     // fill the available isize (ignoring the margin on one side if
 | |
|     // neither are auto).  (We take advantage of that later when we call
 | |
|     // GetCaptionOrigin, though.)
 | |
|     nscoord innerBorderISize =
 | |
|         innerRI->ComputedSizeWithBorderPadding(wm).ISize(wm);
 | |
|     OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI,
 | |
|                           captionRI, innerBorderISize);
 | |
|     captionWM = captionRI->GetWritingMode();
 | |
|   } else {
 | |
|     NS_ASSERTION(captionSide == NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE ||
 | |
|                      captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE,
 | |
|                  "unexpected caption-side");
 | |
|     // Size the table and the caption independently.
 | |
|     captionWM = mCaptionFrames.FirstChild()->GetWritingMode();
 | |
|     OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRI,
 | |
|                           captionRI,
 | |
|                           aOuterRI.ComputedSize(captionWM).ISize(captionWM));
 | |
|     OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI, innerRI,
 | |
|                           aOuterRI.ComputedSize(wm).ISize(wm));
 | |
|   }
 | |
| 
 | |
|   // First reflow the caption.
 | |
|   Maybe<ReflowOutput> captionMet;
 | |
|   LogicalSize captionSize(wm);
 | |
|   LogicalMargin captionMargin(wm);
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     captionMet.emplace(wm);
 | |
|     nsReflowStatus capStatus;  // don't let the caption cause incomplete
 | |
|     OuterDoReflowChild(aPresContext, mCaptionFrames.FirstChild(), *captionRI,
 | |
|                        *captionMet, capStatus);
 | |
|     captionSize.ISize(wm) = captionMet->ISize(wm);
 | |
|     captionSize.BSize(wm) = captionMet->BSize(wm);
 | |
|     captionMargin = captionRI->ComputedLogicalMargin().ConvertTo(wm, captionWM);
 | |
|     // Now that we know the bsize of the caption, reduce the available bsize
 | |
|     // for the table frame if we are bsize constrained and the caption is above
 | |
|     // or below the inner table.  Also reduce the CB size that we store for
 | |
|     // our children in case we're a grid item, by the same amount.
 | |
|     LogicalSize* cbSize = GetProperty(GridItemCBSizeProperty());
 | |
|     if (NS_UNCONSTRAINEDSIZE != aOuterRI.AvailableBSize() || cbSize) {
 | |
|       nscoord captionBSize = 0;
 | |
|       nscoord captionISize = 0;
 | |
|       switch (captionSide) {
 | |
|         case NS_STYLE_CAPTION_SIDE_TOP:
 | |
|         case NS_STYLE_CAPTION_SIDE_BOTTOM:
 | |
|         case NS_STYLE_CAPTION_SIDE_TOP_OUTSIDE:
 | |
|         case NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE:
 | |
|           captionBSize = captionSize.BSize(wm) + captionMargin.BStartEnd(wm);
 | |
|           break;
 | |
|         case NS_STYLE_CAPTION_SIDE_LEFT:
 | |
|         case NS_STYLE_CAPTION_SIDE_RIGHT:
 | |
|           captionISize = captionSize.ISize(wm) + captionMargin.IStartEnd(wm);
 | |
|           break;
 | |
|       }
 | |
|       if (NS_UNCONSTRAINEDSIZE != aOuterRI.AvailableBSize()) {
 | |
|         innerRI->AvailableBSize() =
 | |
|             std::max(0, innerRI->AvailableBSize() - captionBSize);
 | |
|       }
 | |
|       if (cbSize) {
 | |
|         // Shrink the CB size by the size reserved for the caption.
 | |
|         LogicalSize oldCBSize = *cbSize;
 | |
|         cbSize->ISize(wm) = std::max(0, cbSize->ISize(wm) - captionISize);
 | |
|         cbSize->BSize(wm) = std::max(0, cbSize->BSize(wm) - captionBSize);
 | |
|         if (oldCBSize != *cbSize) {
 | |
|           // Reset the inner table's ReflowInput to stretch it to the new size.
 | |
|           innerRI.reset();
 | |
|           OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRI,
 | |
|                                 innerRI, aOuterRI.ComputedSize(wm).ISize(wm));
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   // Then, now that we know how much to reduce the isize of the inner
 | |
|   // table to account for side captions, reflow the inner table.
 | |
|   ReflowOutput innerMet(innerRI->GetWritingMode());
 | |
|   OuterDoReflowChild(aPresContext, InnerTableFrame(), *innerRI, innerMet,
 | |
|                      aStatus);
 | |
|   LogicalSize innerSize(wm, innerMet.ISize(wm), innerMet.BSize(wm));
 | |
|   LogicalMargin innerMargin = innerRI->ComputedLogicalMargin();
 | |
| 
 | |
|   LogicalSize containSize(wm, GetContainingBlockSize(aOuterRI));
 | |
| 
 | |
|   // Now that we've reflowed both we can place them.
 | |
|   // XXXldb Most of the input variables here are now uninitialized!
 | |
| 
 | |
|   // XXX Need to recompute inner table's auto margins for the case of side
 | |
|   // captions.  (Caption's are broken too, but that should be fixed earlier.)
 | |
| 
 | |
|   // Compute the desiredSize so that we can use it as the containerSize
 | |
|   // for the FinishReflowChild calls below.
 | |
|   LogicalSize desiredSize(wm);
 | |
|   SetDesiredSize(captionSide, innerSize, captionSize, innerMargin,
 | |
|                  captionMargin, desiredSize.ISize(wm), desiredSize.BSize(wm),
 | |
|                  wm);
 | |
|   aDesiredSize.SetSize(wm, desiredSize);
 | |
|   nsSize containerSize = aDesiredSize.PhysicalSize();
 | |
|   // XXX It's possible for this to be NS_UNCONSTRAINEDSIZE, which will result
 | |
|   // in assertions from FinishReflowChild.
 | |
| 
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     LogicalPoint captionOrigin(wm);
 | |
|     GetCaptionOrigin(captionSide, containSize, innerSize, innerMargin,
 | |
|                      captionSize, captionMargin, captionOrigin, wm);
 | |
|     FinishReflowChild(mCaptionFrames.FirstChild(), aPresContext, *captionMet,
 | |
|                       captionRI.ptr(), wm, captionOrigin, containerSize, 0);
 | |
|     captionRI.reset();
 | |
|   }
 | |
|   // XXX If the bsize is constrained then we need to check whether
 | |
|   // everything still fits...
 | |
| 
 | |
|   LogicalPoint innerOrigin(wm);
 | |
|   GetInnerOrigin(captionSide, containSize, captionSize, captionMargin,
 | |
|                  innerSize, innerMargin, innerOrigin, wm);
 | |
|   FinishReflowChild(InnerTableFrame(), aPresContext, innerMet, innerRI.ptr(),
 | |
|                     wm, innerOrigin, containerSize, 0);
 | |
|   innerRI.reset();
 | |
| 
 | |
|   if (mCaptionFrames.NotEmpty()) {
 | |
|     nsTableFrame::InvalidateTableFrame(
 | |
|         mCaptionFrames.FirstChild(), origCaptionRect, origCaptionVisualOverflow,
 | |
|         captionFirstReflow);
 | |
|   }
 | |
| 
 | |
|   UpdateOverflowAreas(aDesiredSize);
 | |
| 
 | |
|   if (GetPrevInFlow()) {
 | |
|     ReflowOverflowContainerChildren(aPresContext, aOuterRI,
 | |
|                                     aDesiredSize.mOverflowAreas, 0, aStatus);
 | |
|   }
 | |
| 
 | |
|   FinishReflowWithAbsoluteFrames(aPresContext, aDesiredSize, aOuterRI, aStatus);
 | |
| 
 | |
|   // Return our desired rect
 | |
| 
 | |
|   NS_FRAME_SET_TRUNCATION(aStatus, aOuterRI, aDesiredSize);
 | |
| }
 | |
| 
 | |
| /* ----- global methods ----- */
 | |
| 
 | |
| nsIContent* nsTableWrapperFrame::GetCellAt(uint32_t aRowIdx,
 | |
|                                            uint32_t aColIdx) const {
 | |
|   nsTableCellMap* cellMap = InnerTableFrame()->GetCellMap();
 | |
|   if (!cellMap) {
 | |
|     return nullptr;
 | |
|   }
 | |
| 
 | |
|   nsTableCellFrame* cell = cellMap->GetCellInfoAt(aRowIdx, aColIdx);
 | |
|   if (!cell) {
 | |
|     return nullptr;
 | |
|   }
 | |
| 
 | |
|   return cell->GetContent();
 | |
| }
 | |
| 
 | |
| nsTableWrapperFrame* NS_NewTableWrapperFrame(nsIPresShell* aPresShell,
 | |
|                                              ComputedStyle* aStyle) {
 | |
|   return new (aPresShell)
 | |
|       nsTableWrapperFrame(aStyle, aPresShell->GetPresContext());
 | |
| }
 | |
| 
 | |
| NS_IMPL_FRAMEARENA_HELPERS(nsTableWrapperFrame)
 | |
| 
 | |
| #ifdef DEBUG_FRAME_DUMP
 | |
| nsresult nsTableWrapperFrame::GetFrameName(nsAString& aResult) const {
 | |
|   return MakeFrameName(NS_LITERAL_STRING("TableWrapper"), aResult);
 | |
| }
 | |
| #endif
 | 
