mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
1058 lines
40 KiB
C++
1058 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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MOZ_ASSERT(kCaptionList == aListID || aListID == kPrincipalList,
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"unexpected child list");
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MOZ_ASSERT(GetChildList(aListID).IsEmpty(),
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"already have child frames in SetInitialChildList");
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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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mCaptionFrames.SetFrames(aChildList);
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} else {
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MOZ_ASSERT(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");
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mFrames.SetFrames(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(aBuilder, 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;
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return (va.GetUnit() == eStyleUnit_Enumerated)
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? va.GetIntValue()
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: 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
|
|
|