diff options
Diffstat (limited to 'layout/tables/nsTableColFrame.cpp')
| -rw-r--r-- | layout/tables/nsTableColFrame.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/layout/tables/nsTableColFrame.cpp b/layout/tables/nsTableColFrame.cpp new file mode 100644 index 0000000000..16eab74cab --- /dev/null +++ b/layout/tables/nsTableColFrame.cpp @@ -0,0 +1,188 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "nsCOMPtr.h" +#include "nsTableColFrame.h" +#include "nsTableFrame.h" +#include "nsContainerFrame.h" +#include "nsStyleConsts.h" +#include "nsPresContext.h" +#include "nsGkAtoms.h" +#include "nsCSSRendering.h" +#include "nsIContent.h" +#include "mozilla/ComputedStyle.h" +#include "mozilla/PresShell.h" +#include "mozilla/StaticPrefs_layout.h" + +using namespace mozilla; + +#define COL_TYPE_BITS \ + (NS_FRAME_STATE_BIT(28) | NS_FRAME_STATE_BIT(29) | NS_FRAME_STATE_BIT(30) | \ + NS_FRAME_STATE_BIT(31)) +#define COL_TYPE_OFFSET 28 + +using namespace mozilla; + +nsTableColFrame::nsTableColFrame(ComputedStyle* aStyle, + nsPresContext* aPresContext) + : nsSplittableFrame(aStyle, aPresContext, kClassID), + mMinCoord(0), + mPrefCoord(0), + mSpanMinCoord(0), + mSpanPrefCoord(0), + mPrefPercent(0.0f), + mSpanPrefPercent(0.0f), + mFinalISize(0), + mColIndex(0), + mIStartBorderWidth(0), + mIEndBorderWidth(0), + mHasSpecifiedCoord(false) { + SetColType(eColContent); + ResetIntrinsics(); + ResetSpanIntrinsics(); + ResetFinalISize(); +} + +nsTableColFrame::~nsTableColFrame() = default; + +nsTableColType nsTableColFrame::GetColType() const { + return (nsTableColType)((GetStateBits() & COL_TYPE_BITS) >> COL_TYPE_OFFSET); +} + +void nsTableColFrame::SetColType(nsTableColType aType) { + NS_ASSERTION(aType != eColAnonymousCol || + (GetPrevContinuation() && + GetPrevContinuation()->GetNextContinuation() == this && + GetPrevContinuation()->GetNextSibling() == this), + "spanned content cols must be continuations"); + uint32_t type = aType - eColContent; + RemoveStateBits(COL_TYPE_BITS); + AddStateBits(nsFrameState(type << COL_TYPE_OFFSET)); +} + +/* virtual */ +void nsTableColFrame::DidSetComputedStyle(ComputedStyle* aOldComputedStyle) { + nsSplittableFrame::DidSetComputedStyle(aOldComputedStyle); + + if (!aOldComputedStyle) // avoid this on init + return; + + nsTableFrame* tableFrame = GetTableFrame(); + if (tableFrame->IsBorderCollapse() && + tableFrame->BCRecalcNeeded(aOldComputedStyle, Style())) { + TableArea damageArea(GetColIndex(), 0, 1, tableFrame->GetRowCount()); + tableFrame->AddBCDamageArea(damageArea); + } +} + +void nsTableColFrame::Reflow(nsPresContext* aPresContext, + ReflowOutput& aDesiredSize, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) { + MarkInReflow(); + DO_GLOBAL_REFLOW_COUNT("nsTableColFrame"); + DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus); + MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!"); + aDesiredSize.ClearSize(); + const nsStyleVisibility* colVis = StyleVisibility(); + bool collapseCol = StyleVisibility::Collapse == colVis->mVisible; + if (collapseCol) { + GetTableFrame()->SetNeedToCollapse(true); + } +} + +void nsTableColFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsDisplayListSet& aLists) { + // Per https://drafts.csswg.org/css-tables-3/#global-style-overrides: + // "All css properties of table-column and table-column-group boxes are + // ignored, except when explicitly specified by this specification." + // CSS outlines and box-shadows fall into this category, so we skip them + // on these boxes. + MOZ_ASSERT_UNREACHABLE("Cols don't paint themselves"); +} + +int32_t nsTableColFrame::GetSpan() { return StyleTable()->mXSpan; } + +#ifdef DEBUG +void nsTableColFrame::Dump(int32_t aIndent) { + char* indent = new char[aIndent + 1]; + if (!indent) return; + for (int32_t i = 0; i < aIndent + 1; i++) { + indent[i] = ' '; + } + indent[aIndent] = 0; + + printf("%s**START COL DUMP**\n%s colIndex=%d coltype=", indent, indent, + mColIndex); + nsTableColType colType = GetColType(); + switch (colType) { + case eColContent: + printf(" content "); + break; + case eColAnonymousCol: + printf(" anonymous-column "); + break; + case eColAnonymousColGroup: + printf(" anonymous-colgroup "); + break; + case eColAnonymousCell: + printf(" anonymous-cell "); + break; + } + printf("\nm:%d c:%d(%c) p:%f sm:%d sc:%d sp:%f f:%d", int32_t(mMinCoord), + int32_t(mPrefCoord), mHasSpecifiedCoord ? 's' : 'u', mPrefPercent, + int32_t(mSpanMinCoord), int32_t(mSpanPrefCoord), mSpanPrefPercent, + int32_t(GetFinalISize())); + printf("\n%s**END COL DUMP** ", indent); + delete[] indent; +} +#endif +/* ----- global methods ----- */ + +nsTableColFrame* NS_NewTableColFrame(PresShell* aPresShell, + ComputedStyle* aStyle) { + return new (aPresShell) nsTableColFrame(aStyle, aPresShell->GetPresContext()); +} + +NS_IMPL_FRAMEARENA_HELPERS(nsTableColFrame) + +nsTableColFrame* nsTableColFrame::GetNextCol() const { + nsIFrame* childFrame = GetNextSibling(); + while (childFrame) { + if (childFrame->IsTableColFrame()) { + return (nsTableColFrame*)childFrame; + } + childFrame = childFrame->GetNextSibling(); + } + return nullptr; +} + +#ifdef DEBUG_FRAME_DUMP +nsresult nsTableColFrame::GetFrameName(nsAString& aResult) const { + return MakeFrameName(u"TableCol"_ns, aResult); +} +#endif + +void nsTableColFrame::InvalidateFrame(uint32_t aDisplayItemKey, + bool aRebuildDisplayItems) { + nsIFrame::InvalidateFrame(aDisplayItemKey, aRebuildDisplayItems); + if (GetTableFrame()->IsBorderCollapse()) { + const bool rebuild = StaticPrefs::layout_display_list_retain_sc(); + GetParent()->InvalidateFrameWithRect(InkOverflowRect() + GetPosition(), + aDisplayItemKey, rebuild); + } +} + +void nsTableColFrame::InvalidateFrameWithRect(const nsRect& aRect, + uint32_t aDisplayItemKey, + bool aRebuildDisplayItems) { + nsIFrame::InvalidateFrameWithRect(aRect, aDisplayItemKey, + aRebuildDisplayItems); + + // If we have filters applied that would affects our bounds, then + // we get an inactive layer created and this is computed + // within FrameLayerBuilder + GetParent()->InvalidateFrameWithRect(aRect + GetPosition(), aDisplayItemKey, + aRebuildDisplayItems); +} |