The Tor Browser: layout/tables/nsTableColFrame.cpp@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "nsCOMPtr.h"

     6 #include "nsTableColFrame.h"

     7 #include "nsTableFrame.h"

     8 #include "nsContainerFrame.h"

     9 #include "nsStyleContext.h"

    10 #include "nsStyleConsts.h"

    11 #include "nsPresContext.h"

    12 #include "nsGkAtoms.h"

    13 #include "nsCSSRendering.h"

    14 #include "nsIContent.h"

    16 #define COL_TYPE_BITS                 (NS_FRAME_STATE_BIT(28) | \

    17                                        NS_FRAME_STATE_BIT(29) | \

    18                                        NS_FRAME_STATE_BIT(30) | \

    19                                        NS_FRAME_STATE_BIT(31))

    20 #define COL_TYPE_OFFSET               28

    22 nsTableColFrame::nsTableColFrame(nsStyleContext* aContext) :

    23   nsSplittableFrame(aContext)

    24 {

    25   SetColType(eColContent);

    26   ResetIntrinsics();

    27   ResetSpanIntrinsics();

    28   ResetFinalWidth();

    29 }

    31 nsTableColFrame::~nsTableColFrame()

    32 {

    33 }

    35 nsTableColType

    36 nsTableColFrame::GetColType() const

    37 {

    38   return (nsTableColType)((mState & COL_TYPE_BITS) >> COL_TYPE_OFFSET);

    39 }

    41 void

    42 nsTableColFrame::SetColType(nsTableColType aType)

    43 {

    44   NS_ASSERTION(aType != eColAnonymousCol ||

    45                (GetPrevContinuation() &&

    46                 GetPrevContinuation()->GetNextContinuation() == this &&

    47                 GetPrevContinuation()->GetNextSibling() == this),

    48                "spanned content cols must be continuations");

    49   uint32_t type = aType - eColContent;

    50   RemoveStateBits(COL_TYPE_BITS);

    51   AddStateBits(nsFrameState(type << COL_TYPE_OFFSET));

    52 }

    54 /* virtual */ void

    55 nsTableColFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)

    56 {

    57   nsSplittableFrame::DidSetStyleContext(aOldStyleContext);

    59   if (!aOldStyleContext) //avoid this on init

    60     return;

    62   nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);

    63   if (tableFrame->IsBorderCollapse() &&

    64       tableFrame->BCRecalcNeeded(aOldStyleContext, StyleContext())) {

    65     nsIntRect damageArea(GetColIndex(), 0, 1, tableFrame->GetRowCount());

    66     tableFrame->AddBCDamageArea(damageArea);

    67   }

    68 }

    70 void nsTableColFrame::SetContinuousBCBorderWidth(uint8_t     aForSide,

    71                                                  BCPixelSize aPixelValue)

    72 {

    73   switch (aForSide) {

    74     case NS_SIDE_TOP:

    75       mTopContBorderWidth = aPixelValue;

    76       return;

    77     case NS_SIDE_RIGHT:

    78       mRightContBorderWidth = aPixelValue;

    79       return;

    80     case NS_SIDE_BOTTOM:

    81       mBottomContBorderWidth = aPixelValue;

    82       return;

    83     default:

    84       NS_ERROR("invalid side arg");

    85   }

    86 }

    88 nsresult nsTableColFrame::Reflow(nsPresContext*          aPresContext,

    89                                   nsHTMLReflowMetrics&     aDesiredSize,

    90                                   const nsHTMLReflowState& aReflowState,

    91                                   nsReflowStatus&          aStatus)

    92 {

    93   DO_GLOBAL_REFLOW_COUNT("nsTableColFrame");

    94   DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);

    95   aDesiredSize.Width() = 0;

    96   aDesiredSize.Height() = 0;

    97   const nsStyleVisibility* colVis = StyleVisibility();

    98   bool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);

    99   if (collapseCol) {

   100     nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);

   101     tableFrame->SetNeedToCollapse(true);

   102   }

   103   aStatus = NS_FRAME_COMPLETE;

   104   NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);

   105   return NS_OK;

   106 }

   108 int32_t nsTableColFrame::GetSpan()

   109 {

   110   return StyleTable()->mSpan;

   111 }

   113 #ifdef DEBUG

   114 void nsTableColFrame::Dump(int32_t aIndent)

   115 {

   116   char* indent = new char[aIndent + 1];

   117   if (!indent) return;

   118   for (int32_t i = 0; i < aIndent + 1; i++) {

   119     indent[i] = ' ';

   120   }

   121   indent[aIndent] = 0;

   123   printf("%s**START COL DUMP**\n%s colIndex=%d coltype=",

   124     indent, indent, mColIndex);

   125   nsTableColType colType = GetColType();

   126   switch (colType) {

   127   case eColContent:

   128     printf(" content ");

   129     break;

   130   case eColAnonymousCol:

   131     printf(" anonymous-column ");

   132     break;

   133   case eColAnonymousColGroup:

   134     printf(" anonymous-colgroup ");

   135     break;

   136   case eColAnonymousCell:

   137     printf(" anonymous-cell ");

   138     break;

   139   }

   140   printf("\nm:%d c:%d(%c) p:%f sm:%d sc:%d sp:%f f:%d",

   141          int32_t(mMinCoord), int32_t(mPrefCoord),

   142          mHasSpecifiedCoord ? 's' : 'u', mPrefPercent,

   143          int32_t(mSpanMinCoord), int32_t(mSpanPrefCoord),

   144          mSpanPrefPercent,

   145          int32_t(GetFinalWidth()));

   146   printf("\n%s**END COL DUMP** ", indent);

   147   delete [] indent;

   148 }

   149 #endif

   150 /* ----- global methods ----- */

   152 nsTableColFrame*

   153 NS_NewTableColFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)

   154 {

   155   return new (aPresShell) nsTableColFrame(aContext);

   156 }

   158 NS_IMPL_FRAMEARENA_HELPERS(nsTableColFrame)

   160 nsTableColFrame*

   161 nsTableColFrame::GetNextCol() const

   162 {

   163   nsIFrame* childFrame = GetNextSibling();

   164   while (childFrame) {

   165     if (nsGkAtoms::tableColFrame == childFrame->GetType()) {

   166       return (nsTableColFrame*)childFrame;

   167     }

   168     childFrame = childFrame->GetNextSibling();

   169   }

   170   return nullptr;

   171 }

   173 nsIAtom*

   174 nsTableColFrame::GetType() const

   175 {

   176   return nsGkAtoms::tableColFrame;

   177 }

   179 #ifdef DEBUG_FRAME_DUMP

   180 nsresult

   181 nsTableColFrame::GetFrameName(nsAString& aResult) const

   182 {

   183   return MakeFrameName(NS_LITERAL_STRING("TableCol"), aResult);

   184 }

   185 #endif

   187 nsSplittableType

   188 nsTableColFrame::GetSplittableType() const

   189 {

   190   return NS_FRAME_NOT_SPLITTABLE;

   191 }

   193 void

   194 nsTableColFrame::InvalidateFrame(uint32_t aDisplayItemKey)

   195 {

   196   nsIFrame::InvalidateFrame(aDisplayItemKey);

   197   GetParent()->InvalidateFrameWithRect(GetVisualOverflowRect() + GetPosition(), aDisplayItemKey);

   198 }

   200 void

   201 nsTableColFrame::InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey)

   202 {

   203   nsIFrame::InvalidateFrameWithRect(aRect, aDisplayItemKey);

   205   // If we have filters applied that would affects our bounds, then

   206   // we get an inactive layer created and this is computed

   207   // within FrameLayerBuilder

   208   GetParent()->InvalidateFrameWithRect(aRect + GetPosition(), aDisplayItemKey);

   209 }

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