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Make visibility:collapse work again after the display list change. Implement overflow handling and view synchronization for collapsed frames. bug 326551 r/sr=roc

This commit is contained in:
bmlk%gmx.de 2006-03-04 05:26:57 +00:00
Родитель e0c7fd330d
Коммит 04ef8a4cf4
11 изменённых файлов: 444 добавлений и 445 удалений
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99
layout/tables/nsTableCellFrame.cpp
Просмотреть файл

@ -208,9 +208,8 @@ nsTableCellFrame::AttributeChanged(PRInt32 aNameSpaceID,
PRInt32 aModType)
{
// let the table frame decide what to do
nsTableFrame* tableFrame = nsnull;
nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
if ((NS_SUCCEEDED(rv)) && (tableFrame)) {
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
tableFrame->AttributeChangedFor(this, mContent, aAttribute);
}
return NS_OK;
@ -404,9 +403,7 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
// take account of 'empty-cells'
if (GetStyleVisibility()->IsVisible() &&
(NS_STYLE_TABLE_EMPTY_CELLS_HIDE != emptyCellStyle)) {
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
NS_ASSERTION(tableFrame, "null table frame");
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
// display background if we need to. Note that we don't try to display
// a background item to catch events; our anonymous inner block will catch
@ -446,13 +443,11 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
nsresult rv = DisplayOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
nsPoint offset;
GetCollapseOffset(offset);
PRBool quirkyClip = HasPctOverHeight() &&
eCompatibility_NavQuirks == GetPresContext()->CompatibilityMode();
nsIFrame* kid = mFrames.FirstChild();
NS_ASSERTION(kid && !kid->GetNextSibling(), "Table cells should have just one child");
if (0 == offset.x && 0 == offset.y && !quirkyClip) {
if (!quirkyClip) {
// The child's background will go in our BorderBackground() list.
// This isn't a problem since it won't have a real background except for
// event handling. We do not call BuildDisplayListForNonBlockChildren
@ -471,22 +466,6 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
if (quirkyClip) {
clip = nsRect(nsPoint(0, 0), GetSize());
}
if (offset.x < 0) {
// Clip off content to the left of the x=0 line. This is bogus really,
// but the whole handling of collapsed-offset cells is bogus.
if (clip.x < 0) {
clip.width = PR_MAX(0, clip.XMost());
clip.x = 0;
}
}
if (offset.y < 0) {
// Clip off content above the y=0 line. This is bogus really,
// but the whole handling of collapsed-offset cells is bogus.
if (clip.y < 0) {
clip.height = PR_MAX(0, clip.YMost());
clip.y = 0;
}
}
return OverflowClip(aBuilder, set, aLists, clip + aBuilder->ToReferenceFrame(this));
}
@ -778,8 +757,9 @@ NS_METHOD nsTableCellFrame::Reflow(nsPresContext* aPresContext,
PRBool noBorderBeforeReflow = GetContentEmpty() &&
GetStyleTableBorder()->mEmptyCells != NS_STYLE_TABLE_EMPTY_CELLS_SHOW;
/* XXX: remove tableFrame when border-collapse inherits */
nsTableFrame* tableFrame = nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame); if (!tableFrame) ABORT1(NS_ERROR_NULL_POINTER);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
ABORT1(NS_ERROR_NULL_POINTER);
nsMargin borderPadding = aReflowState.mComputedPadding;
nsMargin border;
@ -877,10 +857,7 @@ NS_METHOD nsTableCellFrame::Reflow(nsPresContext* aPresContext,
}
kidOrigin = firstKid->GetPosition();
}
nsPoint collapsedOffset;
GetCollapseOffset(collapsedOffset);
kidOrigin += collapsedOffset;
#if defined DEBUG_TABLE_REFLOW_TIMING
nsTableFrame::DebugReflow(firstKid, (nsHTMLReflowState&)kidReflowState);
#endif
@ -922,7 +899,6 @@ NS_METHOD nsTableCellFrame::Reflow(nsPresContext* aPresContext,
topInset += border.top;
bottomInset += border.bottom;
kidOrigin.MoveTo(leftInset, topInset);
kidOrigin += collapsedOffset;
}
}
@ -1133,10 +1109,9 @@ nsTableCellFrame::GetPreviousCellInColumn(nsITableCellLayout **aCellLayout)
if (!aCellLayout) return NS_ERROR_NULL_POINTER;
*aCellLayout = nsnull;
nsTableFrame* tableFrame = nsnull;
nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (NS_FAILED(rv)) return rv;
if (!tableFrame) return NS_ERROR_FAILURE;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_FAILURE;
// Get current cell location
PRInt32 rowIndex, colIndex;
@ -1157,10 +1132,9 @@ nsTableCellFrame::GetNextCellInColumn(nsITableCellLayout **aCellLayout)
if (!aCellLayout) return NS_ERROR_NULL_POINTER;
*aCellLayout = nsnull;
nsTableFrame* tableFrame = nsnull;
nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (NS_FAILED(rv)) return rv;
if (!tableFrame) return NS_ERROR_FAILURE;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_FAILURE;
// Get current cell location
PRInt32 rowIndex, colIndex;
@ -1204,51 +1178,6 @@ nsTableCellFrame::GetFrameName(nsAString& aResult) const
}
#endif
void nsTableCellFrame::UpdateChildOffset(nsPoint aDelta)
{
nsIFrame* kid = mFrames.FirstChild();
NS_ASSERTION(kid, "Table cells must have one kid");
// XXX this is obscene! It doesn't move views or adjust overflow areas.
// On the other hand, the old approach of adjusting the rendering
// context translation was utterly wrong too.
kid->SetRect(kid->GetRect() + aDelta);
}
void nsTableCellFrame::SetCollapseOffsetX(nscoord aXOffset)
{
// Get the frame property (creating a point struct if necessary)
nsPoint* offset = (nsPoint*)nsTableFrame::GetProperty(this, nsLayoutAtoms::collapseOffsetProperty, aXOffset != 0);
if (offset) {
UpdateChildOffset(nsPoint(aXOffset, 0) - *offset);
offset->x = aXOffset;
}
}
void nsTableCellFrame::SetCollapseOffsetY(nscoord aYOffset)
{
// Get the property (creating a point struct if necessary)
nsPoint* offset = (nsPoint*)nsTableFrame::GetProperty(this, nsLayoutAtoms::collapseOffsetProperty, aYOffset != 0);
if (offset) {
UpdateChildOffset(nsPoint(0, aYOffset) - *offset);
offset->y = aYOffset;
}
}
void nsTableCellFrame::GetCollapseOffset(nsPoint& aOffset)
{
// See if the property is set
nsPoint* offset = (nsPoint*)nsTableFrame::GetProperty(this, nsLayoutAtoms::collapseOffsetProperty);
if (offset) {
aOffset = *offset;
} else {
aOffset.MoveTo(0, 0);
}
}
// nsBCTableCellFrame
nsBCTableCellFrame::nsBCTableCellFrame()

13
layout/tables/nsTableCellFrame.h
Просмотреть файл

@ -250,19 +250,6 @@ public:
nscoord GetLastBlockHeight();
void SetLastBlockHeight(nscoord aValue);
// The collapse offset is (0,0) except for cells originating in a row/col which is collapsed
void SetCollapseOffsetX(nscoord aXOffset);
void SetCollapseOffsetY(nscoord aYOffset);
void GetCollapseOffset(nsPoint& aOffset);
/**
* This gets called when the collapse offset X or Y changes. Currently it's
* a disgusting hack (but not worse than the previous disgusting hack it
* replaces).
* XXX fix this when views have been removed.
*/
void UpdateChildOffset(nsPoint aDelta);
nsTableCellFrame* GetNextCell() const;
virtual nsMargin* GetBorderWidth(float aPixelsToTwips,

5
layout/tables/nsTableColFrame.cpp
Просмотреть файл

@ -140,10 +140,9 @@ NS_METHOD nsTableColFrame::Reflow(nsPresContext* aPresContext,
const nsStyleVisibility* colVis = GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
if (collapseCol) {
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
tableFrame->SetNeedToCollapseColumns(PR_TRUE);
tableFrame->SetNeedToCollapse(PR_TRUE);
}
}
if (aDesiredSize.mComputeMEW)

80
layout/tables/nsTableColGroupFrame.cpp
Просмотреть файл

@ -103,9 +103,9 @@ nsTableColGroupFrame::AddColsToTable(PRInt32 aFirstColIndex,
nsIFrame* aLastFrame)
{
nsresult rv = NS_OK;
nsTableFrame* tableFrame = nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame || !aFirstFrame) return NS_ERROR_NULL_POINTER;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame || !aFirstFrame)
return NS_ERROR_NULL_POINTER;
// set the col indices of the col frames and and add col info to the table
PRInt32 colIndex = aFirstColIndex;
@ -177,9 +177,9 @@ nsTableColGroupFrame::SetInitialChildList(nsPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return NS_ERROR_NULL_POINTER;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
if (!aChildList) {
nsIFrame* firstChild;
@ -249,9 +249,9 @@ nsTableColGroupFrame::InsertColsReflow(PRInt32 aColIndex,
{
AddColsToTable(aColIndex, PR_TRUE, aFirstFrame, aLastFrame);
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return;
// XXX this could be optimized with much effort
tableFrame->SetNeedStrategyInit(PR_TRUE);
@ -283,9 +283,9 @@ nsTableColGroupFrame::RemoveChild(nsTableColFrame& aChild,
}
}
}
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return;
// XXX this could be optimized with much effort
tableFrame->SetNeedStrategyInit(PR_TRUE);
@ -304,9 +304,9 @@ nsTableColGroupFrame::RemoveFrame(nsIAtom* aListName,
PRInt32 colIndex = colFrame->GetColIndex();
RemoveChild(*colFrame, PR_TRUE);
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return NS_ERROR_NULL_POINTER;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
tableFrame->RemoveCol(this, colIndex, PR_TRUE, PR_TRUE);
@ -348,10 +348,9 @@ NS_METHOD nsTableColGroupFrame::Reflow(nsPresContext* aPresContext,
const nsStyleVisibility* groupVis = GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE == groupVis->mVisible);
if (collapseGroup) {
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
tableFrame->SetNeedToCollapseColumns(PR_TRUE);
tableFrame->SetNeedToCollapse(PR_TRUE);;
}
}
// for every content child that (is a column thingy and does not already have a frame)
@ -438,15 +437,15 @@ NS_METHOD nsTableColGroupFrame::IR_StyleChanged(nsHTMLReflowMetrics& aDesire
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
nsresult rv = NS_OK;
// we presume that all the easy optimizations were done in the nsHTMLStyleSheet before we were called here
// XXX: we can optimize this when we know which style attribute changed
nsTableFrame* tableFrame = nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (tableFrame) {
tableFrame->SetNeedStrategyInit(PR_TRUE);
}
return rv;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
tableFrame->SetNeedStrategyInit(PR_TRUE);
return NS_OK;
}
NS_METHOD nsTableColGroupFrame::IR_TargetIsChild(nsHTMLReflowMetrics& aDesiredSize,
@ -467,16 +466,16 @@ NS_METHOD nsTableColGroupFrame::IR_TargetIsChild(nsHTMLReflowMetrics& aDesir
if (NS_FAILED(rv))
return rv;
nsTableFrame *tableFrame=nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (tableFrame) {
// compare the new col count to the old col count.
// If they are the same, we just need to rebalance column widths
// If they differ, we need to fix up other column groups and the column cache
// XXX for now assume the worse
tableFrame->SetNeedStrategyInit(PR_TRUE);
}
return rv;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
// compare the new col count to the old col count.
// If they are the same, we just need to rebalance column widths
// If they differ, we need to fix up other column groups and the column cache
// XXX for now assume the worse
tableFrame->SetNeedStrategyInit(PR_TRUE);
return NS_OK;
}
nsTableColFrame * nsTableColGroupFrame::GetFirstColumn()
@ -488,9 +487,13 @@ nsTableColFrame * nsTableColGroupFrame::GetNextColumn(nsIFrame *aChildFrame)
{
nsTableColFrame *result = nsnull;
nsIFrame *childFrame = aChildFrame;
if (nsnull==childFrame)
if (!childFrame) {
childFrame = mFrames.FirstChild();
while (nsnull!=childFrame)
}
else {
childFrame = childFrame->GetNextSibling();
}
while (childFrame)
{
if (NS_STYLE_DISPLAY_TABLE_COLUMN ==
childFrame->GetStyleDisplay()->mDisplay)
@ -542,8 +545,7 @@ void nsTableColGroupFrame::SetContinuousBCBorderWidth(PRUint8 aForSide,
void nsTableColGroupFrame::GetContinuousBCBorderWidth(float aPixelsToTwips,
nsMargin& aBorder)
{
nsTableFrame* table;
nsTableFrame::GetTableFrame(this, table);
nsTableFrame* table = nsTableFrame::GetTableFrame(this);
nsTableColFrame* col = table->GetColFrame(mStartColIndex + mColCount - 1);
col->GetContinuousBCBorderWidth(aPixelsToTwips, aBorder);
aBorder.top = BC_BORDER_BOTTOM_HALF_COORD(aPixelsToTwips,

233
layout/tables/nsTableFrame.cpp
Просмотреть файл

@ -1804,8 +1804,7 @@ nsTableFrame::IsPrematureSpecialHeightReflow(const nsHTMLReflowState& aReflowSta
PRBool premature = PR_FALSE;
if (aReflowState.mFlags.mSpecialHeightReflow) {
if (aNeedSpecialHeightReflow) {
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(aReflowState.frame, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(aReflowState.frame);
if (tableFrame && (tableFrame != aReflowState.mPercentHeightReflowInitiator)) {
premature = PR_TRUE;
}
@ -2062,11 +2061,9 @@ NS_METHOD nsTableFrame::Reflow(nsPresContext* aPresContext,
nsMargin borderPadding = GetChildAreaOffset(&aReflowState);
SetColumnDimensions(aDesiredSize.height, borderPadding);
if (NeedToCollapseRows()) {
AdjustForCollapsingRows(aDesiredSize);
}
if (NeedToCollapseColumns()) {
AdjustForCollapsingCols(aDesiredSize);
if (NeedToCollapse() &&
(NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth)) {
AdjustForCollapsingRowsCols(aDesiredSize, borderPadding);
}
// See if we need to calc max elem and/or preferred widths. This isn't done on
@ -2301,206 +2298,77 @@ nsTableFrame::MoveOverflowToChildList(nsPresContext* aPresContext)
return result;
}
NS_METHOD
nsTableFrame::CollapseRowGroupIfNecessary(nsIFrame* aRowGroupFrame,
const nscoord& aYTotalOffset,
nscoord& aYGroupOffset, PRInt32& aRowX)
{
const nsStyleVisibility* groupVis = aRowGroupFrame->GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE == groupVis->mVisible);
if (collapseGroup) {
SetNeedToCollapseRows(PR_TRUE);
}
nsIFrame* rowFrame = aRowGroupFrame->GetFirstChild(nsnull);
while (nsnull != rowFrame) {
const nsStyleDisplay* rowDisplay = rowFrame->GetStyleDisplay();
if (NS_STYLE_DISPLAY_TABLE_ROW == rowDisplay->mDisplay) {
const nsStyleVisibility* rowVis = rowFrame->GetStyleVisibility();
PRBool collapseRow = (NS_STYLE_VISIBILITY_COLLAPSE == rowVis->mVisible);
if (collapseRow) {
SetNeedToCollapseRows(PR_TRUE);
}
nsRect rowRect = rowFrame->GetRect();
if (collapseGroup || collapseRow) {
aYGroupOffset += rowRect.height;
rowRect.height = 0;
rowFrame->SetRect(rowRect);
nsIFrame* cellFrame = rowFrame->GetFirstChild(nsnull);
while (nsnull != cellFrame) {
const nsStyleDisplay* cellDisplay = cellFrame->GetStyleDisplay();
if (NS_STYLE_DISPLAY_TABLE_CELL == cellDisplay->mDisplay) {
nsTableCellFrame* cFrame = (nsTableCellFrame*)cellFrame;
nsRect cRect = cFrame->GetRect();
cRect.height -= rowRect.height;
cFrame->SetCollapseOffsetY(-aYGroupOffset);
cFrame->SetRect(cRect);
}
cellFrame = cellFrame->GetNextSibling();
}
// check if a cell above spans into here
nsTableCellMap* cellMap = GetCellMap();
if (cellMap) {
PRInt32 numCols = cellMap->GetColCount();
nsTableCellFrame* lastCell = nsnull;
for (int colX = 0; colX < numCols; colX++) {
CellData* cellData = cellMap->GetDataAt(aRowX, colX);
if (cellData && cellData->IsRowSpan()) { // a cell above is spanning into here
// adjust the real cell's rect only once
nsTableCellFrame* realCell = cellMap->GetCellFrame(aRowX, colX, *cellData, PR_TRUE);
NS_ASSERTION(realCell, "row span without origin?");
if (realCell && (realCell != lastCell)) {
nsRect realRect = realCell->GetRect();
realRect.height -= rowRect.height;
realCell->SetRect(realRect);
}
lastCell = realCell;
}
}
}
} else { // row is not collapsed but needs to be adjusted by those that are
rowRect.y -= aYGroupOffset;
rowFrame->SetRect(rowRect);
// reset the collapse yoffset
nsIFrame* cellFrame = rowFrame->GetFirstChild(nsnull);
while (cellFrame) {
const nsStyleDisplay* cellDisplay = cellFrame->GetStyleDisplay();
if (NS_STYLE_DISPLAY_TABLE_CELL == cellDisplay->mDisplay) {
nsTableCellFrame* cFrame = (nsTableCellFrame*)cellFrame;
// reset the offset as this row is not collapsed
cFrame->SetCollapseOffsetY(0);
}
cellFrame = cellFrame->GetNextSibling();
}
}
aRowX++;
}
rowFrame = rowFrame->GetNextSibling();
} // end row frame while
nsRect groupRect = aRowGroupFrame->GetRect();
groupRect.height -= aYGroupOffset;
groupRect.y -= aYTotalOffset;
aRowGroupFrame->SetRect(groupRect);
return NS_OK;
}
// collapsing row groups, rows, col groups and cols are accounted for after both passes of
// reflow so that it has no effect on the calculations of reflow.
NS_METHOD nsTableFrame::AdjustForCollapsingRows(nsHTMLReflowMetrics& aDesiredSize)
void
nsTableFrame::AdjustForCollapsingRowsCols(nsHTMLReflowMetrics& aDesiredSize,
nsMargin aBorderPadding)
{
nscoord yGroupOffset = 0; // total offset among rows within a single row group
nscoord yTotalOffset = 0; // total offset among all rows in all row groups
PRInt32 rowIndex = 0;
// reset the bit, it will be set again if row/rowgroup is collapsed
SetNeedToCollapseRows(PR_FALSE);
SetNeedToCollapse(PR_FALSE);
// collapse the rows and/or row groups as necessary
// Get the ordered children
nsAutoVoidArray rowGroups;
PRUint32 numRowGroups;
OrderRowGroups(rowGroups, numRowGroups);
nscoord width = GetCollapsedWidth(aBorderPadding);
nscoord rgWidth = width - 2 * GetCellSpacingX();
nsRect overflowArea(0, 0, 0, 0);
// Walk the list of children
for (PRUint32 childX = 0; childX < numRowGroups; childX++) {
nsIFrame* childFrame = (nsIFrame*)rowGroups.ElementAt(childX);
nsTableRowGroupFrame* rgFrame = GetRowGroupFrame(childFrame);
if (!rgFrame) continue; // skip foreign frame types
CollapseRowGroupIfNecessary(rgFrame, yTotalOffset, yGroupOffset, rowIndex);
yTotalOffset += yGroupOffset;
yGroupOffset = 0;
yTotalOffset += rgFrame->CollapseRowGroupIfNecessary(yTotalOffset, rgWidth);
ConsiderChildOverflow(overflowArea, rgFrame);
}
aDesiredSize.height -= yTotalOffset;
return NS_OK;
aDesiredSize.width = width;
overflowArea.UnionRect(nsRect(0, 0, aDesiredSize.width, aDesiredSize.height),
overflowArea);
FinishAndStoreOverflow(&overflowArea,
nsSize(aDesiredSize.width, aDesiredSize.height));
}
NS_METHOD nsTableFrame::AdjustForCollapsingCols(nsHTMLReflowMetrics& aDesiredSize)
nscoord
nsTableFrame::GetCollapsedWidth(nsMargin aBorderPadding)
{
nsTableCellMap* cellMap = GetCellMap();
if (!cellMap) return NS_OK;
// reset the bit, it will be set again if col/colgroup is collapsed
SetNeedToCollapseColumns(PR_FALSE);
PRInt32 numRows = cellMap->GetRowCount();
nsTableIterator groupIter(mColGroups, eTableDIR);
nsIFrame* groupFrame = groupIter.First();
nscoord cellSpacingX = GetCellSpacingX();
nscoord xOffset = 0;
PRInt32 colX = (groupIter.IsLeftToRight()) ? 0 : GetColCount() - 1;
PRInt32 direction = (groupIter.IsLeftToRight()) ? 1 : -1;
// iterate over the col groups
while (nsnull != groupFrame) {
nscoord width = cellSpacingX;
width += aBorderPadding.left + aBorderPadding.right;
for (nsIFrame* groupFrame = mColGroups.FirstChild(); groupFrame;
groupFrame = groupFrame->GetNextSibling()) {
const nsStyleVisibility* groupVis = groupFrame->GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE == groupVis->mVisible);
if (collapseGroup) {
SetNeedToCollapseColumns(PR_TRUE);
}
nsTableIterator colIter(*groupFrame, eTableDIR);
nsIFrame* colFrame = colIter.First();
// iterate over the cols in the col group
while (nsnull != colFrame) {
nsTableColGroupFrame* cgFrame = (nsTableColGroupFrame*)groupFrame;
for (nsTableColFrame* colFrame = cgFrame->GetFirstColumn(); colFrame;
colFrame = colFrame->GetNextCol()) {
const nsStyleDisplay* colDisplay = colFrame->GetStyleDisplay();
PRInt32 colX = colFrame->GetColIndex();
if (NS_STYLE_DISPLAY_TABLE_COLUMN == colDisplay->mDisplay) {
const nsStyleVisibility* colVis = colFrame->GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
if (collapseCol) {
SetNeedToCollapseColumns(PR_TRUE);
}
PRInt32 colWidth = GetColumnWidth(colX);
if (collapseGroup || collapseCol) {
xOffset += colWidth + cellSpacingX;
if (!collapseGroup && !collapseCol) {
width += colWidth;
if (GetNumCellsOriginatingInCol(colX) > 0)
width += cellSpacingX;
}
nsTableCellFrame* lastCell = nsnull;
nsTableCellFrame* cellFrame = nsnull;
for (PRInt32 rowX = 0; rowX < numRows; rowX++) {
CellData* cellData = cellMap->GetDataAt(rowX, colX);
if (cellData) {
if (cellData->IsOrig()) { // the cell originates at (rowX, colX)
cellFrame = cellData->GetCellFrame();
// reset the collapse offsets since they may have been collapsed previously
cellFrame->SetCollapseOffsetX(0);
cellFrame->SetCollapseOffsetY(0);
nsRect cellRect = cellFrame->GetRect();
if (collapseGroup || collapseCol) {
if (lastCell != cellFrame) { // do it only once if there is a row span
cellRect.width -= colWidth;
cellFrame->SetCollapseOffsetX(-xOffset);
}
} else { // the cell is not in a collapsed col but needs to move
cellRect.x -= xOffset;
}
cellFrame->SetRect(cellRect);
// if the cell does not originate at (rowX, colX), adjust the real cells width
} else if (collapseGroup || collapseCol) {
if (cellData->IsColSpan()) {
cellFrame = cellMap->GetCellFrame(rowX, colX, *cellData, PR_FALSE);
}
if ((cellFrame) && (lastCell != cellFrame)) {
nsRect cellRect = cellFrame->GetRect();
cellRect.width -= colWidth + cellSpacingX;
cellFrame->SetRect(cellRect);
}
}
}
lastCell = cellFrame;
}
colX += direction;
}
colFrame = colIter.Next();
} // inner while
groupFrame = groupIter.Next();
} // outer while
aDesiredSize.width -= xOffset;
return NS_OK;
}
}
return width;
}
NS_IMETHODIMP
nsTableFrame::AppendFrames(nsIAtom* aListName,
nsIFrame* aFrameList)
@ -4108,26 +3976,20 @@ NS_NewTableFrame(nsIPresShell* aPresShell)
return new (aPresShell) nsTableFrame;
}
NS_METHOD
nsTableFrame::GetTableFrame(nsIFrame* aSourceFrame,
nsTableFrame*& aTableFrame)
nsTableFrame*
nsTableFrame::GetTableFrame(nsIFrame* aSourceFrame)
{
nsresult rv = NS_ERROR_UNEXPECTED; // the value returned
aTableFrame = nsnull; // initialize out-param
if (aSourceFrame) {
// "result" is the result of intermediate calls, not the result we return from this method
for (nsIFrame* parentFrame = aSourceFrame->GetParent(); parentFrame;
parentFrame = parentFrame->GetParent()) {
if (nsLayoutAtoms::tableFrame == parentFrame->GetType()) {
aTableFrame = (nsTableFrame*)parentFrame;
rv = NS_OK; // only set if we found the table frame
break;
return (nsTableFrame*)parentFrame;
}
}
}
NS_POSTCONDITION(nsnull!=aTableFrame, "unable to find table parent. aTableFrame null.");
NS_POSTCONDITION(NS_OK==rv, "unable to find table parent. result!=NS_OK");
return rv;
NS_NOTREACHED("unable to find table parent");
return nsnull;
}
PRBool
@ -4445,9 +4307,8 @@ void nsTableIterator::Init(nsIFrame* aFirstChild,
return;
}
if (eTableDIR == aType) {
nsTableFrame* table = nsnull;
nsresult rv = nsTableFrame::GetTableFrame(mFirstChild, table);
if (NS_SUCCEEDED(rv) && (table != nsnull)) {
nsTableFrame* table = nsTableFrame::GetTableFrame(mFirstChild);
if (table) {
mLeftToRight = (NS_STYLE_DIRECTION_LTR ==
table->GetStyleVisibility()->mDirection);
}
@ -7738,7 +7599,7 @@ nsTableFrame::DumpTableFrames(nsIFrame* aFrame)
tableFrame = NS_STATIC_CAST(nsTableFrame*, aFrame);
}
else {
nsTableFrame::GetTableFrame(aFrame, tableFrame);
tableFrame = nsTableFrame::GetTableFrame(aFrame);
}
tableFrame = NS_STATIC_CAST(nsTableFrame*, tableFrame->GetFirstInFlow());
while (tableFrame) {

55
layout/tables/nsTableFrame.h
Просмотреть файл

@ -258,10 +258,7 @@ public:
nsMargin GetContentAreaOffset(const nsHTMLReflowState* aReflowState) const;
/** helper method to find the table parent of any table frame object */
// TODO: today, this depends on display types. This should be changed to rely
// on stronger criteria, like an inner table frame atom
static NS_METHOD GetTableFrame(nsIFrame* aSourceFrame,
nsTableFrame*& aTableFrame);
static nsTableFrame* GetTableFrame(nsIFrame* aSourceFrame);
/**
* Helper method to handle display common to table frames, rowgroup frames
@ -632,13 +629,21 @@ protected:
nsresult RecoverState(nsTableReflowState& aReflowState,
nsIFrame* aKidFrame);
NS_METHOD CollapseRowGroupIfNecessary(nsIFrame* aRowGroupFrame,
const nscoord& aYTotalOffset,
nscoord& aYGroupOffset, PRInt32& aRowX);
/** return the width of the table taking into account visibility collapse
* on columns and colgroups
* @param aBorderPadding the border and padding of the table
*/
nscoord GetCollapsedWidth(nsMargin aBorderPadding);
NS_METHOD AdjustForCollapsingRows(nsHTMLReflowMetrics& aDesiredSize);
/** Adjust the table for visibilty.collapse set on rowgroups, rows, colgroups
* and cols
* @param aDesiredSize the metrics of the table
* @param aBorderPadding the border and padding of the table
*/
void AdjustForCollapsingRowsCols(nsHTMLReflowMetrics& aDesiredSize,
nsMargin aBorderPadding);
NS_METHOD AdjustForCollapsingCols(nsHTMLReflowMetrics& aDesiredSize);
// end incremental reflow methods
@ -752,12 +757,9 @@ public:
PRBool NeedToCalcBCBorders() const;
void SetNeedToCalcBCBorders(PRBool aValue);
PRBool NeedToCollapseRows() const;
void SetNeedToCollapseRows(PRBool aValue);
PRBool NeedToCollapseColumns() const;
void SetNeedToCollapseColumns(PRBool aValue);
PRBool NeedToCollapse() const;
void SetNeedToCollapse(PRBool aValue);
/** Get the cell map for this table frame. It is not always mCellMap.
* Only the firstInFlow has a legit cell map
@ -886,9 +888,8 @@ protected:
PRUint32 mInitiatedSpecialReflow:1;
PRUint32 mNeedToCalcBCBorders:1;
PRUint32 mLeftContBCBorder:8;
PRUint32 mNeedToCollapseRows:1; // rows that have visibility need to be collapse
PRUint32 mNeedToCollapseColumns:1; // colums that have visibility need to be collapsed
PRUint32 :9; // unused
PRUint32 mNeedToCollapse:1; // rows, cols that have visibility:collapse need to be collapsed
PRUint32 :10; // unused
} mBits;
nsTableCellMap* mCellMap; // maintains the relationships between rows, cols, and cells
@ -1006,24 +1007,14 @@ inline void nsTableFrame::SetRowInserted(PRBool aValue)
mBits.mRowInserted = (unsigned)aValue;
}
inline void nsTableFrame::SetNeedToCollapseRows(PRBool aValue)
inline void nsTableFrame::SetNeedToCollapse(PRBool aValue)
{
mBits.mNeedToCollapseRows = (unsigned)aValue;
mBits.mNeedToCollapse = (unsigned)aValue;
}
inline PRBool nsTableFrame::NeedToCollapseRows() const
inline PRBool nsTableFrame::NeedToCollapse() const
{
return (PRBool)mBits.mNeedToCollapseRows;
}
inline void nsTableFrame::SetNeedToCollapseColumns(PRBool aValue)
{
mBits.mNeedToCollapseColumns = (unsigned)aValue;
}
inline PRBool nsTableFrame::NeedToCollapseColumns() const
{
return (PRBool)mBits.mNeedToCollapseColumns;
return (PRBool)mBits.mNeedToCollapse;
}
inline nsFrameList& nsTableFrame::GetColGroups()

40
layout/tables/nsTablePainter.cpp
Просмотреть файл

@ -409,27 +409,25 @@ TableBackgroundPainter::PaintTable(nsTableFrame* aTableFrame,
PRBool cgDataOwnershipTaken = PR_FALSE;
/*Loop over columns in this colgroup*/
if (cgData->IsVisible()) {
for (nsTableColFrame* col = cgFrame->GetFirstColumn(); col;
col = NS_STATIC_CAST(nsTableColFrame*, col->GetNextSibling())) {
/*Create data struct for column*/
PRUint32 colIndex = col->GetColIndex();
NS_ASSERTION(colIndex < mNumCols, "prevent array boundary violation");
if (mNumCols <= colIndex)
break;
mCols[colIndex].mCol.SetFull(col);
//Bring column mRect into table's coord system
mCols[colIndex].mCol.mRect.MoveBy(cgData->mRect.x, cgData->mRect.y);
//link to parent colgroup's data
mCols[colIndex].mColGroup = cgData;
cgDataOwnershipTaken = PR_TRUE;
if (mIsBorderCollapse) {
border.left = lastLeftBorder;
lastLeftBorder = col->GetContinuousBCBorderWidth(mP2t, border);
if (mCols[colIndex].mCol.ShouldSetBCBorder()) {
nsresult rv = mCols[colIndex].mCol.SetBCBorder(border, this);
if (NS_FAILED(rv)) return rv;
}
for (nsTableColFrame* col = cgFrame->GetFirstColumn(); col;
col = NS_STATIC_CAST(nsTableColFrame*, col->GetNextSibling())) {
/*Create data struct for column*/
PRUint32 colIndex = col->GetColIndex();
NS_ASSERTION(colIndex < mNumCols, "prevent array boundary violation");
if (mNumCols <= colIndex)
break;
mCols[colIndex].mCol.SetFull(col);
//Bring column mRect into table's coord system
mCols[colIndex].mCol.mRect.MoveBy(cgData->mRect.x, cgData->mRect.y);
//link to parent colgroup's data
mCols[colIndex].mColGroup = cgData;
cgDataOwnershipTaken = PR_TRUE;
if (mIsBorderCollapse) {
border.left = lastLeftBorder;
lastLeftBorder = col->GetContinuousBCBorderWidth(mP2t, border);
if (mCols[colIndex].mCol.ShouldSetBCBorder()) {
nsresult rv = mCols[colIndex].mCol.SetBCBorder(border, this);
if (NS_FAILED(rv)) return rv;
}
}
}

232
layout/tables/nsTableRowFrame.cpp
Просмотреть файл

@ -217,8 +217,7 @@ nsTableRowFrame::AppendFrames(nsIAtom* aListName,
mFrames.AppendFrames(nsnull, aFrameList);
// Add the new cell frames to the table
nsTableFrame *tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame *tableFrame = nsTableFrame::GetTableFrame(this);
for (nsIFrame* childFrame = aFrameList; childFrame;
childFrame = childFrame->GetNextSibling()) {
if (IS_TABLE_CELL(childFrame->GetType())) {
@ -243,8 +242,7 @@ nsTableRowFrame::InsertFrames(nsIAtom* aListName,
nsIFrame* aFrameList)
{
// Get the table frame
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
// gather the new frames (only those which are cells) into an array
nsIAtom* cellFrameType = (tableFrame->IsBorderCollapse()) ? nsLayoutAtoms::bcTableCellFrame : nsLayoutAtoms::tableCellFrame;
@ -280,8 +278,7 @@ nsTableRowFrame::RemoveFrame(nsIAtom* aListName,
nsIFrame* aOldFrame)
{
// Get the table frame
nsTableFrame* tableFrame=nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
if (IS_TABLE_CELL(aOldFrame->GetType())) {
nsTableCellFrame* cellFrame = (nsTableCellFrame*)aOldFrame;
@ -347,9 +344,9 @@ void
nsTableRowFrame::DidResize(const nsHTMLReflowState& aReflowState)
{
// Resize and re-align the cell frames based on our row height
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return;
nsTableIterator iter(*this, eTableDIR);
nsIFrame* childFrame = iter.First();
@ -517,9 +514,9 @@ nsTableRowFrame::UpdateHeight(nscoord aHeight,
nscoord
nsTableRowFrame::CalcHeight(const nsHTMLReflowState& aReflowState)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return 0;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return 0;
nscoord computedHeight = (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight)
? 0 : aReflowState.mComputedHeight;
@ -589,9 +586,8 @@ private:
void
nsDisplayTableRowBackground::Paint(nsDisplayListBuilder* aBuilder,
nsIRenderingContext* aCtx, const nsRect& aDirtyRect) {
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(mFrame, tableFrame);
NS_ASSERTION(tableFrame, "null table frame");
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(mFrame);
nsPoint pt = aBuilder->ToReferenceFrame(mFrame);
nsIRenderingContext::AutoPushTranslation translate(aCtx, pt.x, pt.y);
@ -653,9 +649,9 @@ nsTableRowFrame::CalculateCellActualSize(nsIFrame* aCellFrame,
// Get the height specified in the style information
const nsStylePosition* position = aCellFrame->GetStylePosition();
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return NS_ERROR_NULL_POINTER;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
PRInt32 rowSpan = tableFrame->GetEffectiveRowSpan((nsTableCellFrame&)*aCellFrame);
@ -752,14 +748,30 @@ GetSpaceBetween(PRInt32 aPrevColIndex,
PRInt32 aColSpan,
nsTableFrame& aTableFrame,
nscoord aCellSpacingX,
PRBool aIsLeftToRight)
PRBool aIsLeftToRight,
PRBool aCheckVisibility)
{
nscoord space = 0;
PRInt32 colX;
if (aIsLeftToRight) {
for (colX = aPrevColIndex + 1; aColIndex > colX; colX++) {
space += aTableFrame.GetColumnWidth(colX);
if (aTableFrame.GetNumCellsOriginatingInCol(colX) > 0) {
PRBool isCollapsed = PR_FALSE;
if (!aCheckVisibility) {
space += aTableFrame.GetColumnWidth(colX);
}
else {
nsTableColFrame* colFrame = aTableFrame.GetColFrame(colX);
const nsStyleVisibility* colVis = colFrame->GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
nsIFrame* cgFrame = colFrame->GetParent();
const nsStyleVisibility* groupVis = cgFrame->GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE ==
groupVis->mVisible);
isCollapsed = collapseCol || collapseGroup;
if (!isCollapsed)
space += aTableFrame.GetColumnWidth(colX);
}
if (!isCollapsed && (aTableFrame.GetNumCellsOriginatingInCol(colX) > 0)) {
space += aCellSpacingX;
}
}
@ -767,8 +779,23 @@ GetSpaceBetween(PRInt32 aPrevColIndex,
else {
PRInt32 lastCol = aColIndex + aColSpan - 1;
for (colX = aPrevColIndex - 1; colX > lastCol; colX--) {
space += aTableFrame.GetColumnWidth(colX);
if (aTableFrame.GetNumCellsOriginatingInCol(colX) > 0) {
PRBool isCollapsed = PR_FALSE;
if (!aCheckVisibility) {
space += aTableFrame.GetColumnWidth(colX);
}
else {
nsTableColFrame* colFrame = aTableFrame.GetColFrame(colX);
const nsStyleVisibility* colVis = colFrame->GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
nsIFrame* cgFrame = colFrame->GetParent();
const nsStyleVisibility* groupVis = cgFrame->GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE ==
groupVis->mVisible);
isCollapsed = collapseCol || collapseGroup;
if (!isCollapsed)
space += aTableFrame.GetColumnWidth(colX);
}
if (!isCollapsed && (aTableFrame.GetNumCellsOriginatingInCol(colX) > 0)) {
space += aCellSpacingX;
}
}
@ -898,7 +925,7 @@ nsTableRowFrame::ReflowChildren(nsPresContext* aPresContext,
if ((iter.IsLeftToRight() && (prevColIndex != (cellColIndex - 1))) ||
(!iter.IsLeftToRight() && (prevColIndex != cellColIndex + cellColSpan))) {
x += GetSpaceBetween(prevColIndex, cellColIndex, cellColSpan, aTableFrame,
cellSpacingX, iter.IsLeftToRight());
cellSpacingX, iter.IsLeftToRight(), PR_FALSE);
}
// Calculate the available width for the table cell using the known column widths
nscoord availColWidth, availCellWidth;
@ -1046,7 +1073,7 @@ nsTableRowFrame::ReflowChildren(nsPresContext* aPresContext,
}
FinishReflowChild(kidFrame, aPresContext, nsnull, desiredSize, x, 0, 0);
x += desiredSize.width;
}
else {// it's an unknown frame type, give it a generic reflow and ignore the results
@ -1313,6 +1340,7 @@ nsTableRowFrame::IR_TargetIsChild(nsPresContext* aPresContext,
// Now place the child
cellMet.width = colAvailWidth;
FinishReflowChild(aNextFrame, aPresContext, nsnull, cellMet, cellOrigin.x, 0, 0);
// Notify the table if the cell width changed so it can decide whether to rebalance
@ -1396,14 +1424,14 @@ nsTableRowFrame::Reflow(nsPresContext* aPresContext,
#endif
nsresult rv = NS_OK;
nsTableFrame* tableFrame = nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) return NS_ERROR_NULL_POINTER;
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
const nsStyleVisibility* rowVis = GetStyleVisibility();
PRBool collapseRow = (NS_STYLE_VISIBILITY_COLLAPSE == rowVis->mVisible);
if (collapseRow) {
tableFrame->SetNeedToCollapseRows(PR_TRUE);
tableFrame->SetNeedToCollapse(PR_TRUE);
}
// see if a special height reflow needs to occur due to having a pct height
@ -1456,8 +1484,9 @@ nsTableRowFrame::ReflowCellFrame(nsPresContext* aPresContext,
nscoord aAvailableHeight,
nsReflowStatus& aStatus)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame); if (!tableFrame) ABORT1(0);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
ABORT1(NS_ERROR_NULL_POINTER);
// Reflow the cell frame with the specified height. Use the existing width
nsSize cellSize = aCellFrame->GetSize();
@ -1488,6 +1517,147 @@ nsTableRowFrame::ReflowCellFrame(nsPresContext* aPresContext,
return desiredSize.height;
}
nscoord
nsTableRowFrame::CollapseRowIfNecessary(nscoord aRowOffset,
nscoord aWidth,
PRBool aCollapseGroup,
PRBool& aDidCollapse)
{
const nsStyleVisibility* rowVis = GetStyleVisibility();
PRBool collapseRow = (NS_STYLE_VISIBILITY_COLLAPSE == rowVis->mVisible);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return 0;
if (collapseRow) {
tableFrame->SetNeedToCollapse(PR_TRUE);
}
PRInt32 rowIndex = GetRowIndex();
nsRect rowRect = GetRect();
rowRect.y -= aRowOffset;
rowRect.width = aWidth;
nsRect overflowArea(0, 0, 0, 0);
nscoord shift = 0;
nscoord cellSpacingX = tableFrame->GetCellSpacingX();
nscoord cellSpacingY = tableFrame->GetCellSpacingY();
nsTableCellFrame* cellFrame = GetFirstCell();
if (aCollapseGroup || collapseRow) {
aDidCollapse = PR_TRUE;
shift = rowRect.height + cellSpacingY;
while (cellFrame) {
nsRect cRect = cellFrame->GetRect();
cRect.height = 0;
cellFrame->SetRect(cRect);
cellFrame = cellFrame->GetNextCell();
}
rowRect.height = 0;
}
else { // row is not collapsed
nsTableIterator iter(*this, eTableDIR);
// remember the col index of the previous cell to handle rowspans into this
// row
PRInt32 firstPrevColIndex = (iter.IsLeftToRight()) ? -1 :
tableFrame->GetColCount();
PRInt32 prevColIndex = firstPrevColIndex;
nscoord x = 0; // running total of children x offset
PRInt32 colIncrement = iter.IsLeftToRight() ? 1 : -1;
//nscoord x = cellSpacingX;
nsIFrame* kidFrame = iter.First();
while (kidFrame) {
nsIAtom* frameType = kidFrame->GetType();
if (IS_TABLE_CELL(frameType)) {
nsTableCellFrame* cellFrame = (nsTableCellFrame*)kidFrame;
PRInt32 cellColIndex;
cellFrame->GetColIndex(cellColIndex);
PRInt32 cellColSpan = tableFrame->GetEffectiveColSpan(*cellFrame);
// If the adjacent cell is in a prior row (because of a rowspan) add in
// the space
if ((iter.IsLeftToRight() && (prevColIndex != (cellColIndex - 1))) ||
(!iter.IsLeftToRight() &&
(prevColIndex != cellColIndex + cellColSpan))) {
x += GetSpaceBetween(prevColIndex, cellColIndex, cellColSpan,
*tableFrame, cellSpacingX, iter.IsLeftToRight(),
PR_TRUE);
}
nsRect cRect(x, 0, 0,rowRect.height);
// remember the rightmost (ltr) or leftmost (rtl) column this cell
// spans into
prevColIndex = (iter.IsLeftToRight()) ?
cellColIndex + (cellColSpan - 1) : cellColIndex;
PRInt32 actualColSpan = cellColSpan;
PRBool isVisible = PR_FALSE;
for (PRInt32 colX = cellColIndex; actualColSpan > 0;
colX += colIncrement, actualColSpan--) {
nsTableColFrame* colFrame = tableFrame->GetColFrame(colX);
const nsStyleVisibility* colVis = colFrame->GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE ==
colVis->mVisible);
nsIFrame* cgFrame = colFrame->GetParent();
const nsStyleVisibility* groupVis = cgFrame->GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE ==
groupVis->mVisible);
PRBool isCollapsed = collapseCol || collapseGroup;
if (isCollapsed) {
tableFrame->SetNeedToCollapse(PR_TRUE);
}
else {
cRect.width += tableFrame->GetColumnWidth(colX);
isVisible = PR_TRUE;
}
if (!isCollapsed && (actualColSpan > 1)) {
nsTableColFrame* nextColFrame =
tableFrame->GetColFrame(colX + colIncrement);
const nsStyleVisibility* nextColVis =
nextColFrame->GetStyleVisibility();
if ( (NS_STYLE_VISIBILITY_COLLAPSE != nextColVis->mVisible) &&
(tableFrame->GetNumCellsOriginatingInCol(colX + colIncrement) > 0)) {
cRect.width += cellSpacingX;
}
}
}
x += cRect.width;
if (isVisible)
x += cellSpacingX;
PRInt32 actualRowSpan = tableFrame->GetEffectiveRowSpan(*cellFrame);
nsTableRowFrame* rowFrame = GetNextRow();
for (actualRowSpan--; actualRowSpan > 0 && rowFrame; actualRowSpan--) {
const nsStyleVisibility* nextRowVis = rowFrame->GetStyleVisibility();
PRBool collapseNextRow = (NS_STYLE_VISIBILITY_COLLAPSE ==
nextRowVis->mVisible);
if (!collapseNextRow) {
nsRect nextRect = rowFrame->GetRect();
cRect.height += nextRect.height + cellSpacingY;
}
rowFrame = rowFrame->GetNextRow();
}
cellFrame->SetRect(cRect);
nsRect cellOverflow = nsRect(0, 0, cRect.width, cRect.height);
cellFrame->FinishAndStoreOverflow(&cellOverflow, nsSize(cRect.width,
cRect.height));
nsTableFrame::RePositionViews(cellFrame);
ConsiderChildOverflow(overflowArea, cellFrame);
}
kidFrame = iter.Next(); // Get the next child
}
}
SetRect(rowRect);
overflowArea.UnionRect(nsRect(0,0,rowRect.width, rowRect.height),
overflowArea);
FinishAndStoreOverflow(&overflowArea, nsSize(rowRect.width,
rowRect.height));
nsTableFrame::RePositionViews(this);
return shift;
}
/**
* These 3 functions are called by the row group frame's SplitRowGroup() code when
* it creates a continuing cell frame and wants to insert it into the row's child list

14
layout/tables/nsTableRowFrame.h
Просмотреть файл

@ -164,6 +164,20 @@ public:
nsTableCellFrame* aCellFrame,
nscoord aAvailableHeight,
nsReflowStatus& aStatus);
/**
* Collapse the row if required, apply col and colgroup visibility: collapse
* info to the cells in the row.
* @return he amount to shift up all following rows
* @param aRowOffset - shift the row up by this amount
* @param aWidth - new width of the row
* @param aCollapseGroup - parent rowgroup is collapsed so this row needs
* to be collapsed
* @param aDidCollapse - the row has been collapsed
*/
nscoord CollapseRowIfNecessary(nscoord aRowOffset,
nscoord aWidth,
PRBool aCollapseGroup,
PRBool& aDidCollapse);
void InsertCellFrame(nsTableCellFrame* aFrame,
nsTableCellFrame* aPrevSibling);

107
layout/tables/nsTableRowGroupFrame.cpp
Просмотреть файл

@ -143,8 +143,7 @@ PRInt32 nsTableRowGroupFrame::GetStartRowIndex()
}
// if the row group doesn't have any children, get it the hard way
if (-1 == result) {
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
return tableFrame->GetStartRowIndex(*this);
}
@ -192,9 +191,7 @@ static void
PaintRowGroupBackground(nsIFrame* aFrame, nsIRenderingContext* aCtx,
const nsRect& aDirtyRect, nsPoint aPt)
{
nsTableFrame* tableFrame;
nsTableFrame::GetTableFrame(aFrame, tableFrame);
NS_ASSERTION(tableFrame, "null table frame");
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(aFrame);
nsIRenderingContext::AutoPushTranslation translate(aCtx, aPt.x, aPt.y);
TableBackgroundPainter painter(tableFrame,
@ -292,8 +289,11 @@ nsTableRowGroupFrame::ReflowChildren(nsPresContext* aPresContext,
if (aPageBreakBeforeEnd)
*aPageBreakBeforeEnd = PR_FALSE;
nsTableFrame* tableFrame = nsnull;
nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame); if (!tableFrame) ABORT1(rv);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
ABORT1(NS_ERROR_NULL_POINTER);
nsresult rv = NS_OK;
PRBool borderCollapse = tableFrame->IsBorderCollapse();
GET_PIXELS_TO_TWIPS(aPresContext, p2t);
@ -493,8 +493,7 @@ nsTableRowGroupFrame::CalculateRowHeights(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsTableRowFrame* aStartRowFrameIn)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame) return;
PRBool isPaginated = aPresContext->IsPaginated();
@ -783,6 +782,48 @@ nsTableRowGroupFrame::CalculateRowHeights(nsPresContext* aPresContext,
delete [] rowInfo; // cleanup
}
nscoord
nsTableRowGroupFrame::CollapseRowGroupIfNecessary(nscoord aYTotalOffset,
nscoord aWidth)
{
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
const nsStyleVisibility* groupVis = GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE == groupVis->mVisible);
if (collapseGroup) {
tableFrame->SetNeedToCollapse(PR_TRUE);
}
nsRect overflowArea(0, 0, 0, 0);
nsTableRowFrame* rowFrame= GetFirstRow();
PRBool didCollapse = PR_FALSE;
nscoord yGroupOffset = 0;
while (rowFrame) {
yGroupOffset += rowFrame->CollapseRowIfNecessary(yGroupOffset,
aWidth, collapseGroup,
didCollapse);
ConsiderChildOverflow(overflowArea, rowFrame);
rowFrame = rowFrame->GetNextRow();
}
nsRect groupRect = GetRect();
groupRect.height -= yGroupOffset;
if (didCollapse) {
// add back the cellspacing between rowgroups
groupRect.height += tableFrame->GetCellSpacingY();
}
groupRect.y -= aYTotalOffset;
groupRect.width = aWidth;
SetRect(groupRect);
overflowArea.UnionRect(nsRect(0, 0, groupRect.width, groupRect.height),
overflowArea);
FinishAndStoreOverflow(&overflowArea, nsSize(groupRect.width,
groupRect.height));
nsTableFrame::RePositionViews(this);
return yGroupOffset;
}
// Called by IR_TargetIsChild() to adjust the sibling frames that follow
// after an incremental reflow of aKidFrame.
@ -1189,8 +1230,7 @@ nsTableRowGroupFrame::Reflow(nsPresContext* aPresContext,
PRBool isPaginated = aPresContext->IsPaginated();
nsTableFrame* tableFrame = nsnull;
rv = nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame) return NS_ERROR_NULL_POINTER;
// see if a special height reflow needs to occur due to having a pct height
@ -1202,7 +1242,7 @@ nsTableRowGroupFrame::Reflow(nsPresContext* aPresContext,
const nsStyleVisibility* groupVis = GetStyleVisibility();
PRBool collapseGroup = (NS_STYLE_VISIBILITY_COLLAPSE == groupVis->mVisible);
if (collapseGroup) {
tableFrame->SetNeedToCollapseRows(PR_TRUE);
tableFrame->SetNeedToCollapse(PR_TRUE);
}
if (eReflowReason_Incremental == aReflowState.reason) {
@ -1323,8 +1363,7 @@ nsTableRowGroupFrame::AppendFrames(nsIAtom* aListName,
mFrames.AppendFrames(nsnull, aFrameList);
if (rows.Count() > 0) {
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
tableFrame->AppendRows(*this, rowIndex, rows);
// Reflow the new frames. They're already marked dirty, so generate a reflow
@ -1354,12 +1393,10 @@ nsTableRowGroupFrame::InsertFrames(nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
if (!tableFrame) {
NS_ASSERTION(PR_FALSE, "no table frame");
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
return NS_ERROR_NULL_POINTER;
}
// collect the new row frames in an array
nsVoidArray rows;
PRBool gotFirstRow = PR_FALSE;
@ -1410,8 +1447,7 @@ NS_IMETHODIMP
nsTableRowGroupFrame::RemoveFrame(nsIAtom* aListName,
nsIFrame* aOldFrame)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
if (nsLayoutAtoms::tableRowFrame == aOldFrame->GetType()) {
// remove the rows from the table (and flag a rebalance)
@ -1474,8 +1510,7 @@ nscoord
nsTableRowGroupFrame::GetHeightBasis(const nsHTMLReflowState& aReflowState)
{
nscoord result = 0;
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame((nsIFrame*)this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
if ((aReflowState.mComputedHeight > 0) && (aReflowState.mComputedHeight < NS_UNCONSTRAINEDSIZE)) {
nscoord cellSpacing = PR_MAX(0, GetRowCount() - 1) * tableFrame->GetCellSpacingY();
@ -1500,8 +1535,7 @@ nsTableRowGroupFrame::GetHeightBasis(const nsHTMLReflowState& aReflowState)
nscoord
nsTableRowGroupFrame::GetHeightOfRows()
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame) return 0;
nscoord height = 0;
@ -1529,8 +1563,7 @@ nsresult
nsTableRowGroupFrame::RecoverState(nsRowGroupReflowState& aReflowState,
nsIFrame* aKidFrame)
{
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
nscoord cellSpacingY = tableFrame->GetCellSpacingY();
aReflowState.y = 0;
@ -1596,8 +1629,9 @@ nsTableRowGroupFrame::IR_TargetIsChild(nsPresContext* aPresContext,
{
nsresult rv;
nsTableFrame* tableFrame = nsnull;
nsTableFrame::GetTableFrame(this, tableFrame); if (!tableFrame) ABORT1(NS_ERROR_NULL_POINTER);
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (!tableFrame)
ABORT1(NS_ERROR_NULL_POINTER);
GET_PIXELS_TO_TWIPS(aPresContext, p2t);
// Recover the state as if aNextFrame is about to be reflowed
@ -1836,8 +1870,8 @@ nsTableRowGroupFrame::GetLine(PRInt32 aLineNumber,
NS_ENSURE_ARG_POINTER(aNumFramesOnLine);
NS_ENSURE_ARG_POINTER(aLineFlags);
nsTableFrame* parentFrame = nsnull;
if (NS_FAILED(nsTableFrame::GetTableFrame(this, parentFrame)))
nsTableFrame* parentFrame = nsTableFrame::GetTableFrame(this);
if (!parentFrame)
return NS_ERROR_FAILURE;
nsTableCellMap* cellMap = parentFrame->GetCellMap();
@ -1922,8 +1956,10 @@ nsTableRowGroupFrame::FindFrameAt(PRInt32 aLineNumber,
CellData* cellData;
nsIFrame* tempFrame = nsnull;
nsTableFrame* parentFrame = nsnull;
nsTableFrame::GetTableFrame(this, parentFrame);
nsTableFrame* parentFrame = nsTableFrame::GetTableFrame(this);
if (!parentFrame)
return NS_ERROR_FAILURE;
nsTableCellMap* cellMap = parentFrame->GetCellMap();
if (!cellMap)
return NS_ERROR_FAILURE;
@ -1992,8 +2028,9 @@ nsTableRowGroupFrame::GetNextSiblingOnLine(nsIFrame*& aFrame,
if (NS_FAILED(result))
return result;
nsTableFrame* parentFrame = nsnull;
result = nsTableFrame::GetTableFrame(this, parentFrame);
nsTableFrame* parentFrame = nsTableFrame::GetTableFrame(this);
if (!parentFrame)
return NS_ERROR_FAILURE;
nsTableCellMap* cellMap = parentFrame->GetCellMap();
if (!cellMap)
return NS_ERROR_FAILURE;

11
layout/tables/nsTableRowGroupFrame.h
Просмотреть файл

@ -207,6 +207,17 @@ public:
*/
void SetContinuousBCBorderWidth(PRUint8 aForSide,
BCPixelSize aPixelValue);
/**
* Adjust to the effect of visibibility:collapse on the row group and
* its children
* @return additional shift upward that should be applied to
* subsequent rowgroups due to rows and this rowgroup
* being collapsed
* @param aYTotalOffset the total amount that the rowgroup is shifted up
* @param aWidth new width of the rowgroup
*/
nscoord CollapseRowGroupIfNecessary(nscoord aYTotalOffset,
nscoord aWidth);
// nsILineIterator methods
public: