CollapsedBorderValue RenderTableCell::collapsedBeforeBorder() const
{
RenderTable* table = this->table();
// For before border, we need to check, in order of precedence:
// (1) Our before border.
int before = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderBeforeColor, table->style()->direction(), table->style()->writingMode());
int after = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderAfterColor, table->style()->direction(), table->style()->writingMode());
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderBefore(), style()->visitedDependentColor(before), BCELL);
RenderTableCell* prevCell = table->cellAbove(this);
if (prevCell) {
// (2) A before cell's after border.
result = chooseBorder(CollapsedBorderValue(&prevCell->style()->borderAfter(), prevCell->style()->visitedDependentColor(after), BCELL), result);
if (!result.exists())
return result;
}
// (3) Our row's before border.
result = chooseBorder(result, CollapsedBorderValue(&parent()->style()->borderBefore(), parent()->style()->visitedDependentColor(before), BROW));
if (!result.exists())
return result;
// (4) The previous row's after border.
if (prevCell) {
RenderObject* prevRow = 0;
if (prevCell->section() == section())
prevRow = parent()->previousSibling();
else
prevRow = prevCell->section()->lastChild();
if (prevRow) {
result = chooseBorder(CollapsedBorderValue(&prevRow->style()->borderAfter(), prevRow->style()->visitedDependentColor(after), BROW), result);
if (!result.exists())
return result;
}
}
// Now check row groups.
RenderTableSection* currSection = section();
if (!row()) {
// (5) Our row group's before border.
result = chooseBorder(result, CollapsedBorderValue(&currSection->style()->borderBefore(), currSection->style()->visitedDependentColor(before), BROWGROUP));
if (!result.exists())
return result;
// (6) Previous row group's after border.
currSection = table->sectionAbove(currSection);
if (currSection) {
result = chooseBorder(CollapsedBorderValue(&currSection->style()->borderAfter(), currSection->style()->visitedDependentColor(after), BROWGROUP), result);
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's before borders.
RenderTableCol* colElt = table->colElement(col());
if (colElt) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->style()->borderBefore(), colElt->style()->visitedDependentColor(before), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol()) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->parent()->style()->borderBefore(), colElt->parent()->style()->visitedDependentColor(before), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's before border.
result = chooseBorder(result, CollapsedBorderValue(&table->style()->borderBefore(), table->style()->visitedDependentColor(before), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedAfterBorder() const
{
RenderTable* table = this->table();
// For after border, we need to check, in order of precedence:
// (1) Our after border.
int before = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderBeforeColor, table->style()->direction(), table->style()->writingMode());
int after = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderAfterColor, table->style()->direction(), table->style()->writingMode());
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderAfter(), style()->visitedDependentColor(after), BCELL);
RenderTableCell* nextCell = table->cellBelow(this);
if (nextCell) {
// (2) An after cell's before border.
result = chooseBorder(result, CollapsedBorderValue(&nextCell->style()->borderBefore(), nextCell->style()->visitedDependentColor(before), BCELL));
if (!result.exists())
return result;
}
// (3) Our row's after border. (FIXME: Deal with rowspan!)
result = chooseBorder(result, CollapsedBorderValue(&parent()->style()->borderAfter(), parent()->style()->visitedDependentColor(after), BROW));
if (!result.exists())
return result;
// (4) The next row's before border.
if (nextCell) {
result = chooseBorder(result, CollapsedBorderValue(&nextCell->parent()->style()->borderBefore(), nextCell->parent()->style()->visitedDependentColor(before), BROW));
if (!result.exists())
return result;
}
// Now check row groups.
RenderTableSection* currSection = section();
if (row() + rowSpan() >= currSection->numRows()) {
// (5) Our row group's after border.
result = chooseBorder(result, CollapsedBorderValue(&currSection->style()->borderAfter(), currSection->style()->visitedDependentColor(after), BROWGROUP));
if (!result.exists())
return result;
// (6) Following row group's before border.
currSection = table->sectionBelow(currSection);
if (currSection) {
result = chooseBorder(result, CollapsedBorderValue(&currSection->style()->borderBefore(), currSection->style()->visitedDependentColor(before), BROWGROUP));
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's after borders.
RenderTableCol* colElt = table->colElement(col());
if (colElt) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->style()->borderAfter(), colElt->style()->visitedDependentColor(after), BCOL));
if (!result.exists()) return result;
if (colElt->parent()->isTableCol()) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->parent()->style()->borderAfter(), colElt->parent()->style()->visitedDependentColor(after), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's after border.
result = chooseBorder(result, CollapsedBorderValue(&table->style()->borderAfter(), table->style()->visitedDependentColor(after), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedEndBorder() const
{
RenderTable* table = this->table();
bool isEndColumn = table->colToEffCol(col() + colSpan() - 1) == table->numEffCols() - 1;
// For end border, we need to check, in order of precedence:
// (1) Our end border.
int start = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderStartColor, table->style()->direction(), table->style()->writingMode());
int end = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderEndColor, table->style()->direction(), table->style()->writingMode());
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderEnd(), style()->visitedDependentColor(end), BCELL);
// (2) The start border of the following cell.
if (!isEndColumn) {
RenderTableCell* nextCell = table->cellAfter(this);
if (nextCell && nextCell->style()) {
CollapsedBorderValue startBorder = CollapsedBorderValue(&nextCell->style()->borderStart(), nextCell->style()->visitedDependentColor(start), BCELL);
result = chooseBorder(result, startBorder);
if (!result.exists())
return result;
}
} else {
// (3) Our row's end border.
result = chooseBorder(result, CollapsedBorderValue(&parent()->style()->borderEnd(), parent()->style()->visitedDependentColor(end), BROW));
if (!result.exists())
return result;
// (4) Our row group's end border.
result = chooseBorder(result, CollapsedBorderValue(§ion()->style()->borderEnd(), section()->style()->visitedDependentColor(end), BROWGROUP));
if (!result.exists())
return result;
}
// (5) Our column and column group's end borders.
bool startColEdge;
bool endColEdge;
RenderTableCol* colElt = table->colElement(col() + colSpan() - 1, &startColEdge, &endColEdge);
if (colElt && endColEdge) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->style()->borderEnd(), colElt->style()->visitedDependentColor(end), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol() && !colElt->nextSibling()) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->parent()->style()->borderEnd(), colElt->parent()->style()->visitedDependentColor(end), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (6) The start border of the next column.
if (!isEndColumn) {
colElt = table->colElement(col() + colSpan(), &startColEdge, &endColEdge);
if (colElt && startColEdge) {
CollapsedBorderValue startBorder = CollapsedBorderValue(&colElt->style()->borderStart(), colElt->style()->visitedDependentColor(start), BCOL);
result = chooseBorder(result, startBorder);
if (!result.exists())
return result;
}
} else {
// (7) The table's end border.
result = chooseBorder(result, CollapsedBorderValue(&table->style()->borderEnd(), table->style()->visitedDependentColor(end), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedStartBorder() const
{
RenderTable* table = this->table();
bool isStartColumn = col() == 0;
// For the start border, we need to check, in order of precedence:
// (1) Our start border.
int start = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderStartColor, table->style()->direction(), table->style()->writingMode());
int end = CSSProperty::resolveDirectionAwareProperty(CSSPropertyWebkitBorderEndColor, table->style()->direction(), table->style()->writingMode());
CollapsedBorderValue result(&style()->borderStart(), style()->visitedDependentColor(start), BCELL);
// (2) The end border of the preceding cell.
if (RenderTableCell* prevCell = table->cellBefore(this)) {
CollapsedBorderValue prevCellBorder = CollapsedBorderValue(&prevCell->style()->borderEnd(), prevCell->style()->visitedDependentColor(end), BCELL);
result = chooseBorder(prevCellBorder, result);
if (!result.exists())
return result;
} else if (isStartColumn) {
// (3) Our row's start border.
result = chooseBorder(result, CollapsedBorderValue(&parent()->style()->borderStart(), parent()->style()->visitedDependentColor(start), BROW));
if (!result.exists())
return result;
// (4) Our row group's start border.
result = chooseBorder(result, CollapsedBorderValue(§ion()->style()->borderStart(), section()->style()->visitedDependentColor(start), BROWGROUP));
if (!result.exists())
return result;
}
// (5) Our column and column group's start borders.
bool startColEdge;
bool endColEdge;
RenderTableCol* colElt = table->colElement(col(), &startColEdge, &endColEdge);
if (colElt && startColEdge) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->style()->borderStart(), colElt->style()->visitedDependentColor(start), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol() && !colElt->previousSibling()) {
result = chooseBorder(result, CollapsedBorderValue(&colElt->parent()->style()->borderStart(), colElt->parent()->style()->visitedDependentColor(start), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (6) The end border of the preceding column.
if (!isStartColumn) {
colElt = table->colElement(col() -1, &startColEdge, &endColEdge);
if (colElt && endColEdge) {
CollapsedBorderValue endBorder = CollapsedBorderValue(&colElt->style()->borderEnd(), colElt->style()->visitedDependentColor(end), BCOL);
result = chooseBorder(endBorder, result);
if (!result.exists())
return result;
}
} else {
// (7) The table's start border.
result = chooseBorder(result, CollapsedBorderValue(&table->style()->borderStart(), table->style()->visitedDependentColor(start), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedBottomBorder() const
{
// For border top, we need to check, in order of precedence:
// (1) Our bottom border.
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderBottom(), BCELL);
RenderTableCell* nextCell = table()->cellBelow(this);
if (nextCell) {
// (2) A following cell's top border.
result = compareBorders(result, CollapsedBorderValue(&nextCell->style()->borderTop(), BCELL));
if (!result.exists())
return result;
}
// (3) Our row's bottom border. (FIXME: Deal with rowspan!)
result = compareBorders(result, CollapsedBorderValue(&parent()->style()->borderBottom(), BROW));
if (!result.exists())
return result;
// (4) The next row's top border.
if (nextCell) {
result = compareBorders(result, CollapsedBorderValue(&nextCell->parent()->style()->borderTop(), BROW));
if (!result.exists())
return result;
}
// Now check row groups.
RenderTableSection* currSection = section();
if (row() + rowSpan() >= currSection->numRows()) {
// (5) Our row group's bottom border.
result = compareBorders(result, CollapsedBorderValue(&currSection->style()->borderBottom(), BROWGROUP));
if (!result.exists())
return result;
// (6) Following row group's top border.
currSection = table()->sectionBelow(currSection);
if (currSection) {
result = compareBorders(result, CollapsedBorderValue(&currSection->style()->borderTop(), BROWGROUP));
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's bottom borders.
RenderTableCol* colElt = table()->colElement(col());
if (colElt) {
result = compareBorders(result, CollapsedBorderValue(&colElt->style()->borderBottom(), BCOL));
if (!result.exists()) return result;
if (colElt->parent()->isTableCol()) {
result = compareBorders(result, CollapsedBorderValue(&colElt->parent()->style()->borderBottom(), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's bottom border.
result = compareBorders(result, CollapsedBorderValue(&table()->style()->borderBottom(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedTopBorder() const
{
// For border top, we need to check, in order of precedence:
// (1) Our top border.
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderTop(), BCELL);
RenderTableCell* prevCell = table()->cellAbove(this);
if (prevCell) {
// (2) A previous cell's bottom border.
result = compareBorders(CollapsedBorderValue(&prevCell->style()->borderBottom(), BCELL), result);
if (!result.exists())
return result;
}
// (3) Our row's top border.
result = compareBorders(result, CollapsedBorderValue(&parent()->style()->borderTop(), BROW));
if (!result.exists())
return result;
// (4) The previous row's bottom border.
if (prevCell) {
RenderObject* prevRow = 0;
if (prevCell->section() == section())
prevRow = parent()->previousSibling();
else
prevRow = prevCell->section()->lastChild();
if (prevRow) {
result = compareBorders(CollapsedBorderValue(&prevRow->style()->borderBottom(), BROW), result);
if (!result.exists())
return result;
}
}
// Now check row groups.
RenderTableSection* currSection = section();
if (!row()) {
// (5) Our row group's top border.
result = compareBorders(result, CollapsedBorderValue(&currSection->style()->borderTop(), BROWGROUP));
if (!result.exists())
return result;
// (6) Previous row group's bottom border.
currSection = table()->sectionAbove(currSection);
if (currSection) {
result = compareBorders(CollapsedBorderValue(&currSection->style()->borderBottom(), BROWGROUP), result);
if (!result.exists())
return result;
}
}
if (!currSection) {
// (8) Our column and column group's top borders.
RenderTableCol* colElt = table()->colElement(col());
if (colElt) {
result = compareBorders(result, CollapsedBorderValue(&colElt->style()->borderTop(), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol()) {
result = compareBorders(result, CollapsedBorderValue(&colElt->parent()->style()->borderTop(), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (9) The table's top border.
result = compareBorders(result, CollapsedBorderValue(&table()->style()->borderTop(), BTABLE));
if (!result.exists())
return result;
}
return result;
}
CollapsedBorderValue RenderTableCell::collapsedRightBorder(bool rtl) const
{
RenderTable* tableElt = table();
bool rightmostColumn;
if (rtl)
rightmostColumn = col() == 0;
else {
int effCol = tableElt->colToEffCol(col() + colSpan() - 1);
rightmostColumn = effCol == tableElt->numEffCols() - 1;
}
// For border right, we need to check, in order of precedence:
// (1) Our right border.
CollapsedBorderValue result = CollapsedBorderValue(&style()->borderRight(), BCELL);
// (2) The left border of the cell to the right.
if (!rightmostColumn) {
RenderTableCell* nextCell = rtl ? tableElt->cellBefore(this) : tableElt->cellAfter(this);
if (nextCell && nextCell->style()) {
result = rtl ? compareBorders(CollapsedBorderValue(&nextCell->style()->borderLeft(), BCELL), result) : compareBorders(result, CollapsedBorderValue(&nextCell->style()->borderLeft(), BCELL));
if (!result.exists())
return result;
}
} else {
// (3) Our row's right border.
result = compareBorders(result, CollapsedBorderValue(&parent()->style()->borderRight(), BROW));
if (!result.exists())
return result;
// (4) Our row group's right border.
result = compareBorders(result, CollapsedBorderValue(§ion()->style()->borderRight(), BROWGROUP));
if (!result.exists())
return result;
}
// (5) Our column and column group's right borders.
bool startColEdge;
bool endColEdge;
RenderTableCol* colElt = tableElt->colElement(col() + (rtl ? 0 : colSpan() - 1), &startColEdge, &endColEdge);
if (colElt && (!rtl ? endColEdge : startColEdge)) {
result = compareBorders(result, CollapsedBorderValue(&colElt->style()->borderRight(), BCOL));
if (!result.exists())
return result;
if (colElt->parent()->isTableCol() && (!rtl ? !colElt->nextSibling() : !colElt->previousSibling())) {
result = compareBorders(result, CollapsedBorderValue(&colElt->parent()->style()->borderRight(), BCOLGROUP));
if (!result.exists())
return result;
}
}
// (6) The left border of the column to the right.
if (!rightmostColumn) {
colElt = tableElt->colElement(col() + (rtl ? -1 : colSpan()), &startColEdge, &endColEdge);
if (colElt && (!rtl ? startColEdge : endColEdge)) {
result = rtl ? compareBorders(CollapsedBorderValue(&colElt->style()->borderLeft(), BCOL), result) : compareBorders(result, CollapsedBorderValue(&colElt->style()->borderLeft(), BCOL));
if (!result.exists())
return result;
}
} else {
// (7) The table's right border.
result = compareBorders(result, CollapsedBorderValue(&tableElt->style()->borderRight(), BTABLE));
if (!result.exists())
return result;
}
return result;
}