layout/tables/nsTableColFrame.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/tables/nsTableColFrame.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,210 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +#include "nsCOMPtr.h"
     1.9 +#include "nsTableColFrame.h"
    1.10 +#include "nsTableFrame.h"
    1.11 +#include "nsContainerFrame.h"
    1.12 +#include "nsStyleContext.h"
    1.13 +#include "nsStyleConsts.h"
    1.14 +#include "nsPresContext.h"
    1.15 +#include "nsGkAtoms.h"
    1.16 +#include "nsCSSRendering.h"
    1.17 +#include "nsIContent.h"
    1.18 +
    1.19 +#define COL_TYPE_BITS                 (NS_FRAME_STATE_BIT(28) | \
    1.20 +                                       NS_FRAME_STATE_BIT(29) | \
    1.21 +                                       NS_FRAME_STATE_BIT(30) | \
    1.22 +                                       NS_FRAME_STATE_BIT(31))
    1.23 +#define COL_TYPE_OFFSET               28
    1.24 +
    1.25 +nsTableColFrame::nsTableColFrame(nsStyleContext* aContext) :
    1.26 +  nsSplittableFrame(aContext)
    1.27 +{
    1.28 +  SetColType(eColContent);
    1.29 +  ResetIntrinsics();
    1.30 +  ResetSpanIntrinsics();
    1.31 +  ResetFinalWidth();
    1.32 +}
    1.33 +
    1.34 +nsTableColFrame::~nsTableColFrame()
    1.35 +{
    1.36 +}
    1.37 +
    1.38 +nsTableColType 
    1.39 +nsTableColFrame::GetColType() const 
    1.40 +{
    1.41 +  return (nsTableColType)((mState & COL_TYPE_BITS) >> COL_TYPE_OFFSET);
    1.42 +}
    1.43 +
    1.44 +void 
    1.45 +nsTableColFrame::SetColType(nsTableColType aType) 
    1.46 +{
    1.47 +  NS_ASSERTION(aType != eColAnonymousCol ||
    1.48 +               (GetPrevContinuation() &&
    1.49 +                GetPrevContinuation()->GetNextContinuation() == this &&
    1.50 +                GetPrevContinuation()->GetNextSibling() == this),
    1.51 +               "spanned content cols must be continuations");
    1.52 +  uint32_t type = aType - eColContent;
    1.53 +  RemoveStateBits(COL_TYPE_BITS);
    1.54 +  AddStateBits(nsFrameState(type << COL_TYPE_OFFSET));
    1.55 +}
    1.56 +
    1.57 +/* virtual */ void
    1.58 +nsTableColFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)
    1.59 +{
    1.60 +  nsSplittableFrame::DidSetStyleContext(aOldStyleContext);
    1.61 +
    1.62 +  if (!aOldStyleContext) //avoid this on init
    1.63 +    return;
    1.64 +     
    1.65 +  nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
    1.66 +  if (tableFrame->IsBorderCollapse() &&
    1.67 +      tableFrame->BCRecalcNeeded(aOldStyleContext, StyleContext())) {
    1.68 +    nsIntRect damageArea(GetColIndex(), 0, 1, tableFrame->GetRowCount());
    1.69 +    tableFrame->AddBCDamageArea(damageArea);
    1.70 +  }
    1.71 +}
    1.72 +
    1.73 +void nsTableColFrame::SetContinuousBCBorderWidth(uint8_t     aForSide,
    1.74 +                                                 BCPixelSize aPixelValue)
    1.75 +{
    1.76 +  switch (aForSide) {
    1.77 +    case NS_SIDE_TOP:
    1.78 +      mTopContBorderWidth = aPixelValue;
    1.79 +      return;
    1.80 +    case NS_SIDE_RIGHT:
    1.81 +      mRightContBorderWidth = aPixelValue;
    1.82 +      return;
    1.83 +    case NS_SIDE_BOTTOM:
    1.84 +      mBottomContBorderWidth = aPixelValue;
    1.85 +      return;
    1.86 +    default:
    1.87 +      NS_ERROR("invalid side arg");
    1.88 +  }
    1.89 +}
    1.90 +
    1.91 +nsresult nsTableColFrame::Reflow(nsPresContext*          aPresContext,
    1.92 +                                  nsHTMLReflowMetrics&     aDesiredSize,
    1.93 +                                  const nsHTMLReflowState& aReflowState,
    1.94 +                                  nsReflowStatus&          aStatus)
    1.95 +{
    1.96 +  DO_GLOBAL_REFLOW_COUNT("nsTableColFrame");
    1.97 +  DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
    1.98 +  aDesiredSize.Width() = 0;
    1.99 +  aDesiredSize.Height() = 0;
   1.100 +  const nsStyleVisibility* colVis = StyleVisibility();
   1.101 +  bool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
   1.102 +  if (collapseCol) {
   1.103 +    nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
   1.104 +    tableFrame->SetNeedToCollapse(true);
   1.105 +  }
   1.106 +  aStatus = NS_FRAME_COMPLETE;
   1.107 +  NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
   1.108 +  return NS_OK;
   1.109 +}
   1.110 +
   1.111 +int32_t nsTableColFrame::GetSpan()
   1.112 +{
   1.113 +  return StyleTable()->mSpan;
   1.114 +}
   1.115 +
   1.116 +#ifdef DEBUG
   1.117 +void nsTableColFrame::Dump(int32_t aIndent)
   1.118 +{
   1.119 +  char* indent = new char[aIndent + 1];
   1.120 +  if (!indent) return;
   1.121 +  for (int32_t i = 0; i < aIndent + 1; i++) {
   1.122 +    indent[i] = ' ';
   1.123 +  }
   1.124 +  indent[aIndent] = 0;
   1.125 +
   1.126 +  printf("%s**START COL DUMP**\n%s colIndex=%d coltype=",
   1.127 +    indent, indent, mColIndex);
   1.128 +  nsTableColType colType = GetColType();
   1.129 +  switch (colType) {
   1.130 +  case eColContent:
   1.131 +    printf(" content ");
   1.132 +    break;
   1.133 +  case eColAnonymousCol: 
   1.134 +    printf(" anonymous-column ");
   1.135 +    break;
   1.136 +  case eColAnonymousColGroup:
   1.137 +    printf(" anonymous-colgroup ");
   1.138 +    break;
   1.139 +  case eColAnonymousCell: 
   1.140 +    printf(" anonymous-cell ");
   1.141 +    break;
   1.142 +  }
   1.143 +  printf("\nm:%d c:%d(%c) p:%f sm:%d sc:%d sp:%f f:%d",
   1.144 +         int32_t(mMinCoord), int32_t(mPrefCoord),
   1.145 +         mHasSpecifiedCoord ? 's' : 'u', mPrefPercent,
   1.146 +         int32_t(mSpanMinCoord), int32_t(mSpanPrefCoord),
   1.147 +         mSpanPrefPercent,
   1.148 +         int32_t(GetFinalWidth()));
   1.149 +  printf("\n%s**END COL DUMP** ", indent);
   1.150 +  delete [] indent;
   1.151 +}
   1.152 +#endif
   1.153 +/* ----- global methods ----- */
   1.154 +
   1.155 +nsTableColFrame* 
   1.156 +NS_NewTableColFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
   1.157 +{
   1.158 +  return new (aPresShell) nsTableColFrame(aContext);
   1.159 +}
   1.160 +
   1.161 +NS_IMPL_FRAMEARENA_HELPERS(nsTableColFrame)
   1.162 +
   1.163 +nsTableColFrame*  
   1.164 +nsTableColFrame::GetNextCol() const
   1.165 +{
   1.166 +  nsIFrame* childFrame = GetNextSibling();
   1.167 +  while (childFrame) {
   1.168 +    if (nsGkAtoms::tableColFrame == childFrame->GetType()) {
   1.169 +      return (nsTableColFrame*)childFrame;
   1.170 +    }
   1.171 +    childFrame = childFrame->GetNextSibling();
   1.172 +  }
   1.173 +  return nullptr;
   1.174 +}
   1.175 +
   1.176 +nsIAtom*
   1.177 +nsTableColFrame::GetType() const
   1.178 +{
   1.179 +  return nsGkAtoms::tableColFrame;
   1.180 +}
   1.181 +
   1.182 +#ifdef DEBUG_FRAME_DUMP
   1.183 +nsresult
   1.184 +nsTableColFrame::GetFrameName(nsAString& aResult) const
   1.185 +{
   1.186 +  return MakeFrameName(NS_LITERAL_STRING("TableCol"), aResult);
   1.187 +}
   1.188 +#endif
   1.189 +
   1.190 +nsSplittableType
   1.191 +nsTableColFrame::GetSplittableType() const
   1.192 +{
   1.193 +  return NS_FRAME_NOT_SPLITTABLE;
   1.194 +}
   1.195 +
   1.196 +void
   1.197 +nsTableColFrame::InvalidateFrame(uint32_t aDisplayItemKey)
   1.198 +{
   1.199 +  nsIFrame::InvalidateFrame(aDisplayItemKey);
   1.200 +  GetParent()->InvalidateFrameWithRect(GetVisualOverflowRect() + GetPosition(), aDisplayItemKey);
   1.201 +}
   1.202 +
   1.203 +void
   1.204 +nsTableColFrame::InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey)
   1.205 +{
   1.206 +  nsIFrame::InvalidateFrameWithRect(aRect, aDisplayItemKey);
   1.207 +
   1.208 +  // If we have filters applied that would affects our bounds, then
   1.209 +  // we get an inactive layer created and this is computed
   1.210 +  // within FrameLayerBuilder
   1.211 +  GetParent()->InvalidateFrameWithRect(aRect + GetPosition(), aDisplayItemKey);
   1.212 +}
   1.213 +

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