mirror of
https://github.com/mozilla/gecko-dev.git
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ab931a1326
Note that nsMathMLContainerFrame and its subclasses are unchanged since they are not target of fullscreen (and thus no backdrop frame), and they have an assertion to ensure we really don't pass any unexpected list in. --HG-- extra : source : a1f7ff18a69cc116120de33f14ae62f576a4b55a
1056 lines
40 KiB
C++
1056 lines
40 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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#include "nsTableOuterFrame.h"
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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 "nsStyleContext.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 "nsIDOMNode.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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using namespace mozilla;
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using namespace mozilla::layout;
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#define NO_SIDE 100
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/* virtual */ nscoord
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nsTableOuterFrame::GetLogicalBaseline(WritingMode aWritingMode) const
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{
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nsIFrame* kid = mFrames.FirstChild();
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if (!kid) {
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NS_NOTREACHED("no inner table");
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return nsContainerFrame::GetLogicalBaseline(aWritingMode);
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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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nsTableOuterFrame::nsTableOuterFrame(nsStyleContext* aContext):
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nsContainerFrame(aContext)
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{
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}
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nsTableOuterFrame::~nsTableOuterFrame()
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{
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}
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NS_QUERYFRAME_HEAD(nsTableOuterFrame)
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NS_QUERYFRAME_ENTRY(nsTableOuterFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
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#ifdef ACCESSIBILITY
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a11y::AccType
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nsTableOuterFrame::AccessibleType()
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{
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return a11y::eHTMLTableType;
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}
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#endif
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void
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nsTableOuterFrame::DestroyFrom(nsIFrame* aDestructRoot)
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{
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DestroyAbsoluteFrames(aDestructRoot);
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mCaptionFrames.DestroyFramesFrom(aDestructRoot);
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nsContainerFrame::DestroyFrom(aDestructRoot);
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}
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const nsFrameList&
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nsTableOuterFrame::GetChildList(ChildListID aListID) const
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{
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if (aListID == kCaptionList) {
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return mCaptionFrames;
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}
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return nsContainerFrame::GetChildList(aListID);
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}
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void
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nsTableOuterFrame::GetChildLists(nsTArray<ChildList>* aLists) const
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{
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nsContainerFrame::GetChildLists(aLists);
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mCaptionFrames.AppendIfNonempty(aLists, kCaptionList);
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}
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void
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nsTableOuterFrame::SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList)
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{
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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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nsGkAtoms::tableFrame == aChildList.FirstChild()->GetType()),
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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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void
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nsTableOuterFrame::AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList)
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{
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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() ||
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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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// Reflow the new caption frame. It's already marked dirty, so
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// just tell the pres shell.
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PresContext()->PresShell()->
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FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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NS_FRAME_HAS_DIRTY_CHILDREN);
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}
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void
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nsTableOuterFrame::InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList)
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{
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MOZ_ASSERT(kCaptionList == aListID, "unexpected child list");
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MOZ_ASSERT(aFrameList.IsEmpty() ||
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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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// Reflow the new caption frame. It's already marked dirty, so
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// just tell the pres shell.
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PresContext()->PresShell()->
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FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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NS_FRAME_HAS_DIRTY_CHILDREN);
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}
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void
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nsTableOuterFrame::RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame)
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{
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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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NS_PRECONDITION(kCaptionList == aListID, "can't remove inner frame");
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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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// Remove the frame and destroy it
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mCaptionFrames.DestroyFrame(aOldFrame);
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PresContext()->PresShell()->
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FrameNeedsReflow(this, nsIPresShell::eTreeChange,
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NS_FRAME_HAS_DIRTY_CHILDREN); // also means child removed
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}
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void
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nsTableOuterFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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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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// 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, aDirtyRect, aLists);
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return;
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}
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nsDisplayListCollection set;
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BuildDisplayListForInnerTable(aBuilder, aDirtyRect, set);
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nsDisplayListSet captionSet(set, set.BlockBorderBackgrounds());
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BuildDisplayListForChild(aBuilder, mCaptionFrames.FirstChild(),
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aDirtyRect, captionSet);
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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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set.SortAllByContentOrder(GetContent());
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set.MoveTo(aLists);
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}
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void
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nsTableOuterFrame::BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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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, aDirtyRect, aLists);
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kid = kid->GetNextSibling();
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}
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}
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nsStyleContext*
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nsTableOuterFrame::GetParentStyleContext(nsIFrame** aProviderFrame) const
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{
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// The table outer frame and the (inner) table frame split the style
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// data by giving the table frame the style context associated with
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// the table content node and creating a style context for the outer
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// frame that is a *child* of the table frame's style context,
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// matching the ::-moz-table-outer pseudo-element. html.css has a
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// rule that causes that pseudo-element (and thus the outer 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 outer table's style context is a leaf.
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return (*aProviderFrame = InnerTableFrame())->StyleContext();
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}
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// INCREMENTAL REFLOW HELPER FUNCTIONS
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void
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nsTableOuterFrame::InitChildReflowState(nsPresContext& aPresContext,
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nsHTMLReflowState& aReflowState)
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{
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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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if (aReflowState.frame == InnerTableFrame() &&
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InnerTableFrame()->IsBorderCollapse()) {
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WritingMode wm = aReflowState.GetWritingMode();
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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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aReflowState.Init(&aPresContext, nullptr, pCollapseBorder, pCollapsePadding);
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}
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// get the margin and padding data. nsHTMLReflowState doesn't handle the
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// case of auto margins
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void
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nsTableOuterFrame::GetChildMargin(nsPresContext* aPresContext,
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const nsHTMLReflowState& aOuterRS,
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nsIFrame* aChildFrame,
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nscoord aAvailISize,
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LogicalMargin& aMargin)
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{
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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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// 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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// 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 = aOuterRS.GetWritingMode();
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LogicalSize availSize(wm, aAvailISize, aOuterRS.AvailableSize(wm).BSize(wm));
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nsHTMLReflowState childRS(aPresContext, aOuterRS, aChildFrame, availSize,
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nullptr, nsHTMLReflowState::CALLER_WILL_INIT);
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InitChildReflowState(*aPresContext, childRS);
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aMargin = childRS.ComputedLogicalMargin();
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}
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static nsSize
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GetContainingBlockSize(const nsHTMLReflowState& aOuterRS)
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{
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nsSize size(0,0);
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const nsHTMLReflowState* containRS = aOuterRS.mCBReflowState;
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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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/* virtual */ nscoord
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nsTableOuterFrame::GetMinISize(nsRenderingContext *aRenderingContext)
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{
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nscoord iSize = nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
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InnerTableFrame(), nsLayoutUtils::MIN_ISIZE);
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DISPLAY_MIN_WIDTH(this, iSize);
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if (mCaptionFrames.NotEmpty()) {
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nscoord capISize =
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nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
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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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/* virtual */ nscoord
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nsTableOuterFrame::GetPrefISize(nsRenderingContext *aRenderingContext)
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{
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nscoord maxISize;
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DISPLAY_PREF_WIDTH(this, maxISize);
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maxISize = nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
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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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{
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nscoord capMin =
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nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
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mCaptionFrames.FirstChild(),
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nsLayoutUtils::MIN_ISIZE);
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maxISize += capMin;
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}
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break;
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default:
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{
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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 =
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nsLayoutUtils::IntrinsicForContainer(aRenderingContext,
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mCaptionFrames.FirstChild(),
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iwt);
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maxISize = std::max(maxISize, capPref);
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}
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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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// Compute the margin-box inline size of aChildFrame given the inputs.
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// If aMarginResult is non-null, fill it with the part of the
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// margin-isize that was contributed by the margin.
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static nscoord
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ChildShrinkWrapISize(nsRenderingContext *aRenderingContext,
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nsIFrame *aChildFrame, WritingMode aWM,
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LogicalSize aCBSize, nscoord aAvailableISize,
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nscoord *aMarginResult = nullptr)
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{
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AutoMaybeDisableFontInflation an(aChildFrame);
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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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nsCSSOffsetState 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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LogicalSize size =
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aChildFrame->ComputeSize(aRenderingContext, aWM, aCBSize, aAvailableISize,
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marginSize, bpSize - paddingSize, paddingSize,
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nsIFrame::ComputeSizeFlags::eShrinkWrap);
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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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/* virtual */
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LogicalSize
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nsTableOuterFrame::ComputeAutoSize(nsRenderingContext *aRenderingContext,
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WritingMode aWM,
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const LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const LogicalSize& aMargin,
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const LogicalSize& aBorder,
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const LogicalSize& aPadding,
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bool aShrinkWrap)
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{
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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 outer frames cannot have borders or paddings");
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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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// 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 = ChildShrinkWrapISize(aRenderingContext,
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mCaptionFrames.FirstChild(), aWM,
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aCBSize, kidAvailableISize);
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inlineSize = capISize + ChildShrinkWrapISize(aRenderingContext,
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InnerTableFrame(), aWM,
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aCBSize,
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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 = ChildShrinkWrapISize(aRenderingContext,
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mCaptionFrames.FirstChild(), aWM,
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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 = ChildShrinkWrapISize(aRenderingContext,
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mCaptionFrames.FirstChild(), aWM,
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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);
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}
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uint8_t
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nsTableOuterFrame::GetCaptionSide()
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{
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if (mCaptionFrames.NotEmpty()) {
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return mCaptionFrames.FirstChild()->StyleTableBorder()->mCaptionSide;
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}
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else {
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return NO_SIDE; // no caption
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}
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}
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uint8_t
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nsTableOuterFrame::GetCaptionVerticalAlign()
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{
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const nsStyleCoord& va =
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mCaptionFrames.FirstChild()->StyleTextReset()->mVerticalAlign;
|
|
return (va.GetUnit() == eStyleUnit_Enumerated)
|
|
? va.GetIntValue()
|
|
: NS_STYLE_VERTICAL_ALIGN_TOP;
|
|
}
|
|
|
|
void
|
|
nsTableOuterFrame::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
|
|
nsTableOuterFrame::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:
|
|
NS_NOTREACHED("Unknown caption alignment type");
|
|
break;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsTableOuterFrame::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:
|
|
NS_NOTREACHED("Unknown caption alignment type");
|
|
break;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsTableOuterFrame::OuterBeginReflowChild(nsPresContext* aPresContext,
|
|
nsIFrame* aChildFrame,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
Maybe<nsHTMLReflowState>& aChildRS,
|
|
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 = aOuterRS.AvailableSize(wm);
|
|
nscoord availBSize = outerSize.BSize(wm);
|
|
if (NS_UNCONSTRAINEDSIZE != availBSize) {
|
|
if (mCaptionFrames.FirstChild() == aChildFrame) {
|
|
availBSize = NS_UNCONSTRAINEDSIZE;
|
|
} else {
|
|
LogicalMargin margin(wm);
|
|
GetChildMargin(aPresContext, aOuterRS, 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.
|
|
aChildRS.emplace(aPresContext, aOuterRS, aChildFrame, availSize,
|
|
nullptr, nsHTMLReflowState::CALLER_WILL_INIT);
|
|
InitChildReflowState(*aPresContext, *aChildRS);
|
|
|
|
// see if we need to reset top-of-page due to a caption
|
|
if (aChildRS->mFlags.mIsTopOfPage &&
|
|
mCaptionFrames.FirstChild() == aChildFrame) {
|
|
uint8_t captionSide = GetCaptionSide();
|
|
if (captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM ||
|
|
captionSide == NS_STYLE_CAPTION_SIDE_BOTTOM_OUTSIDE) {
|
|
aChildRS->mFlags.mIsTopOfPage = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsTableOuterFrame::OuterDoReflowChild(nsPresContext* aPresContext,
|
|
nsIFrame* aChildFrame,
|
|
const nsHTMLReflowState& aChildRS,
|
|
nsHTMLReflowMetrics& 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 = aChildRS.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 outer table frames always assume that their inner table
|
|
// frames don't go away. If an outer table frame is removed because it is
|
|
// a next-in-flow of an already complete outer table 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, aChildRS,
|
|
wm, childPt, zeroCSize, flags, aStatus);
|
|
}
|
|
|
|
void
|
|
nsTableOuterFrame::UpdateOverflowAreas(nsHTMLReflowMetrics& aMet)
|
|
{
|
|
aMet.SetOverflowAreasToDesiredBounds();
|
|
ConsiderChildOverflow(aMet.mOverflowAreas, InnerTableFrame());
|
|
if (mCaptionFrames.NotEmpty()) {
|
|
ConsiderChildOverflow(aMet.mOverflowAreas, mCaptionFrames.FirstChild());
|
|
}
|
|
}
|
|
|
|
void
|
|
nsTableOuterFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
MarkInReflow();
|
|
DO_GLOBAL_REFLOW_COUNT("nsTableOuterFrame");
|
|
DISPLAY_REFLOW(aPresContext, this, aOuterRS, aDesiredSize, aStatus);
|
|
|
|
// Initialize out parameters
|
|
aDesiredSize.ClearSize();
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
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<nsHTMLReflowState> captionRS;
|
|
Maybe<nsHTMLReflowState> innerRS;
|
|
|
|
nsRect origInnerRect = InnerTableFrame()->GetRect();
|
|
nsRect origInnerVisualOverflow = InnerTableFrame()->GetVisualOverflowRect();
|
|
bool innerFirstReflow =
|
|
InnerTableFrame()->HasAnyStateBits(NS_FRAME_FIRST_REFLOW);
|
|
nsRect origCaptionRect;
|
|
nsRect origCaptionVisualOverflow;
|
|
bool captionFirstReflow;
|
|
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 = aOuterRS.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(), aOuterRS,
|
|
innerRS, aOuterRS.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(), aOuterRS,
|
|
captionRS, aOuterRS.ComputedSize(wm).ISize(wm));
|
|
captionWM = captionRS->GetWritingMode();
|
|
nscoord innerAvailISize = aOuterRS.ComputedSize(wm).ISize(wm) -
|
|
captionRS->ComputedSizeWithMarginBorderPadding(wm).ISize(wm);
|
|
OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRS,
|
|
innerRS, 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(), aOuterRS,
|
|
innerRS, aOuterRS.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 =
|
|
innerRS->ComputedSizeWithBorderPadding(wm).ISize(wm);
|
|
OuterBeginReflowChild(aPresContext, mCaptionFrames.FirstChild(), aOuterRS,
|
|
captionRS, innerBorderISize);
|
|
captionWM = captionRS->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(),
|
|
aOuterRS, captionRS,
|
|
aOuterRS.ComputedSize(captionWM).ISize(captionWM));
|
|
OuterBeginReflowChild(aPresContext, InnerTableFrame(), aOuterRS,
|
|
innerRS, aOuterRS.ComputedSize(wm).ISize(wm));
|
|
}
|
|
|
|
// First reflow the caption.
|
|
Maybe<nsHTMLReflowMetrics> 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(),
|
|
*captionRS, *captionMet, capStatus);
|
|
captionSize.ISize(wm) = captionMet->ISize(wm);
|
|
captionSize.BSize(wm) = captionMet->BSize(wm);
|
|
captionMargin =
|
|
captionRS->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.
|
|
if (NS_UNCONSTRAINEDSIZE != aOuterRS.AvailableBSize()) {
|
|
nscoord captionBSize = 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;
|
|
}
|
|
innerRS->AvailableBSize() =
|
|
std::max(0, innerRS->AvailableBSize() - captionBSize);
|
|
}
|
|
}
|
|
|
|
// Then, now that we know how much to reduce the isize of the inner
|
|
// table to account for side captions, reflow the inner table.
|
|
nsHTMLReflowMetrics innerMet(innerRS->GetWritingMode());
|
|
OuterDoReflowChild(aPresContext, InnerTableFrame(), *innerRS,
|
|
innerMet, aStatus);
|
|
LogicalSize innerSize(wm, innerMet.ISize(wm), innerMet.BSize(wm));
|
|
LogicalMargin innerMargin = innerRS->ComputedLogicalMargin();
|
|
|
|
LogicalSize containSize(wm, GetContainingBlockSize(aOuterRS));
|
|
|
|
// 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,
|
|
captionRS.ptr(), wm, captionOrigin, containerSize, 0);
|
|
captionRS.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, innerRS.ptr(),
|
|
wm, innerOrigin, containerSize, 0);
|
|
innerRS.reset();
|
|
|
|
nsTableFrame::InvalidateTableFrame(InnerTableFrame(), origInnerRect,
|
|
origInnerVisualOverflow,
|
|
innerFirstReflow);
|
|
if (mCaptionFrames.NotEmpty()) {
|
|
nsTableFrame::InvalidateTableFrame(mCaptionFrames.FirstChild(),
|
|
origCaptionRect,
|
|
origCaptionVisualOverflow,
|
|
captionFirstReflow);
|
|
}
|
|
|
|
UpdateOverflowAreas(aDesiredSize);
|
|
|
|
if (GetPrevInFlow()) {
|
|
ReflowOverflowContainerChildren(aPresContext, aOuterRS,
|
|
aDesiredSize.mOverflowAreas, 0,
|
|
aStatus);
|
|
}
|
|
|
|
FinishReflowWithAbsoluteFrames(aPresContext, aDesiredSize, aOuterRS, aStatus);
|
|
|
|
// Return our desired rect
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aOuterRS, aDesiredSize);
|
|
}
|
|
|
|
nsIAtom*
|
|
nsTableOuterFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::tableOuterFrame;
|
|
}
|
|
|
|
/* ----- global methods ----- */
|
|
|
|
nsIContent*
|
|
nsTableOuterFrame::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();
|
|
}
|
|
|
|
|
|
nsTableOuterFrame*
|
|
NS_NewTableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsTableOuterFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsTableOuterFrame)
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
nsresult
|
|
nsTableOuterFrame::GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("TableOuter"), aResult);
|
|
}
|
|
#endif
|
|
|