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Diffstat (limited to 'webkit/pending/RenderTable.cpp')
| -rw-r--r-- | webkit/pending/RenderTable.cpp | 1122 |
1 files changed, 0 insertions, 1122 deletions
diff --git a/webkit/pending/RenderTable.cpp b/webkit/pending/RenderTable.cpp deleted file mode 100644 index 1a512d4..0000000 --- a/webkit/pending/RenderTable.cpp +++ /dev/null @@ -1,1122 +0,0 @@ -/* - * Copyright (C) 1997 Martin Jones (mjones@kde.org) - * (C) 1997 Torben Weis (weis@kde.org) - * (C) 1998 Waldo Bastian (bastian@kde.org) - * (C) 1999 Lars Knoll (knoll@kde.org) - * (C) 1999 Antti Koivisto (koivisto@kde.org) - * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. - * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" -#include "RenderTable.h" - -#include "AutoTableLayout.h" -#include "DeleteButtonController.h" -#include "Document.h" -#include "FixedTableLayout.h" -#include "FrameView.h" -#include "HTMLNames.h" -#include "RenderLayer.h" -#include "RenderTableCell.h" -#include "RenderTableCol.h" -#include "RenderTableSection.h" -#include "RenderView.h" -#include "TextStream.h" - -using namespace std; - -namespace WebCore { - -using namespace HTMLNames; - -RenderTable::RenderTable(Node* node) - : RenderBlock(node) - , m_caption(0) - , m_head(0) - , m_foot(0) - , m_firstBody(0) - , m_tableLayout(0) - , m_currentBorder(0) - , m_frame(Void) - , m_rules(None) - , m_hasColElements(false) - , m_needsSectionRecalc(0) - , m_hSpacing(0) - , m_vSpacing(0) - , m_borderLeft(0) - , m_borderRight(0) -{ - m_columnPos.fill(0, 2); - m_columns.fill(ColumnStruct(), 1); -} - -RenderTable::~RenderTable() -{ - delete m_tableLayout; -} - -void RenderTable::setStyle(RenderStyle* newStyle) -{ - ETableLayout oldTableLayout = style() ? style()->tableLayout() : TAUTO; - RenderBlock::setStyle(newStyle); - - // In the collapsed border model, there is no cell spacing. - m_hSpacing = collapseBorders() ? 0 : style()->horizontalBorderSpacing(); - m_vSpacing = collapseBorders() ? 0 : style()->verticalBorderSpacing(); - m_columnPos[0] = m_hSpacing; - - if (!m_tableLayout || style()->tableLayout() != oldTableLayout) { - delete m_tableLayout; - - // According to the CSS2 spec, you only use fixed table layout if an - // explicit width is specified on the table. Auto width implies auto table layout. - if (style()->tableLayout() == TFIXED && !style()->width().isAuto()) - m_tableLayout = new FixedTableLayout(this); - else - m_tableLayout = new AutoTableLayout(this); - } -} - -static inline void resetSectionPointerIfNotBefore(RenderTableSection*& ptr, RenderObject* before) -{ - if (!before || !ptr) - return; - RenderObject* o = before->previousSibling(); - while (o && o != ptr) - o = o->previousSibling(); - if (!o) - ptr = 0; -} - -void RenderTable::addChild(RenderObject* child, RenderObject* beforeChild) -{ - // Make sure we don't append things after :after-generated content if we have it. - if (!beforeChild && isAfterContent(lastChild())) - beforeChild = lastChild(); - - bool wrapInAnonymousSection = true; - bool isTableElement = element() && element()->hasTagName(tableTag); - - if (child->isRenderBlock() && child->style()->display() == TABLE_CAPTION) { - // First caption wins. - if (beforeChild && m_caption) { - RenderObject* o = beforeChild->previousSibling(); - while (o && o != m_caption) - o = o->previousSibling(); - if (!o) - m_caption = 0; - } - if (!m_caption) - m_caption = static_cast<RenderBlock*>(child); - wrapInAnonymousSection = false; - } else if (child->isTableCol()) { - m_hasColElements = true; - wrapInAnonymousSection = false; - } else if (child->isTableSection()) { - switch (child->style()->display()) { - case TABLE_HEADER_GROUP: - if (child->isTableSection()) { - resetSectionPointerIfNotBefore(m_head, beforeChild); - if (!m_head) { - m_head = static_cast<RenderTableSection*>(child); - } else { - resetSectionPointerIfNotBefore(m_firstBody, beforeChild); - if (!m_firstBody) - m_firstBody = static_cast<RenderTableSection*>(child); - } - } - wrapInAnonymousSection = false; - break; - case TABLE_FOOTER_GROUP: - if (child->isTableSection()) { - resetSectionPointerIfNotBefore(m_foot, beforeChild); - if (!m_foot) { - m_foot = static_cast<RenderTableSection*>(child); - wrapInAnonymousSection = false; - break; - } - } - // Fall through. - case TABLE_ROW_GROUP: - if (child->isTableSection()) { - resetSectionPointerIfNotBefore(m_firstBody, beforeChild); - if (!m_firstBody) - m_firstBody = static_cast<RenderTableSection*>(child); - } - wrapInAnonymousSection = false; - break; - default: - ASSERT_NOT_REACHED(); - } - } else if (child->isTableCell() || child->isTableRow()) { - wrapInAnonymousSection = true; - } else { - // Allow a form to just sit at the top level. - wrapInAnonymousSection = !isTableElement || !child->element() || !(child->element()->hasTagName(formTag) && document()->isHTMLDocument()); - - // FIXME: Allow the delete button container element to sit at the top level. This is needed until http://bugs.webkit.org/show_bug.cgi?id=11363 is fixed. - if (wrapInAnonymousSection && child->element() && child->element()->isHTMLElement() && static_cast<HTMLElement*>(child->element())->id() == DeleteButtonController::containerElementIdentifier) - wrapInAnonymousSection = false; - } - - if (!wrapInAnonymousSection) { - // If the next renderer is actually wrapped in an anonymous table section, we need to go up and find that. - while (beforeChild && !beforeChild->isTableSection() && !beforeChild->isTableCol() && beforeChild->style()->display() != TABLE_CAPTION) - beforeChild = beforeChild->parent(); - - RenderContainer::addChild(child, beforeChild); - return; - } - - if (!beforeChild && lastChild() && lastChild()->isTableSection() && lastChild()->isAnonymous()) { - lastChild()->addChild(child); - return; - } - - RenderObject* lastBox = beforeChild; - while (lastBox && lastBox->parent()->isAnonymous() && !lastBox->isTableSection() && lastBox->style()->display() != TABLE_CAPTION) - lastBox = lastBox->parent(); - if (lastBox && lastBox->isAnonymous() && !isAfterContent(lastBox)) { - lastBox->addChild(child, beforeChild); - return; - } - - if (beforeChild && !beforeChild->isTableSection() && beforeChild->style()->display() != TABLE_CAPTION) - beforeChild = 0; - RenderTableSection* section = new (renderArena()) RenderTableSection(document() /* anonymous */); - RenderStyle* newStyle = new (renderArena()) RenderStyle(); - newStyle->inheritFrom(style()); - newStyle->setDisplay(TABLE_ROW_GROUP); - section->setStyle(newStyle); - addChild(section, beforeChild); - section->addChild(child); -} - -void RenderTable::calcWidth() -{ - if (isPositioned()) - calcAbsoluteHorizontal(); - - RenderBlock* cb = containingBlock(); - int availableWidth = cb->availableWidth(); - - LengthType widthType = style()->width().type(); - if (widthType > Relative && style()->width().isPositive()) { - // Percent or fixed table - m_width = style()->width().calcMinValue(availableWidth); - m_width = max(minPrefWidth(), m_width); - } else { - // An auto width table should shrink to fit within the line width if necessary in order to - // avoid overlapping floats. - availableWidth = cb->lineWidth(m_y); - - // Subtract out any fixed margins from our available width for auto width tables. - int marginTotal = 0; - if (!style()->marginLeft().isAuto()) - marginTotal += style()->marginLeft().calcValue(availableWidth); - if (!style()->marginRight().isAuto()) - marginTotal += style()->marginRight().calcValue(availableWidth); - - // Subtract out our margins to get the available content width. - int availContentWidth = max(0, availableWidth - marginTotal); - - // Ensure we aren't bigger than our max width or smaller than our min width. - m_width = min(availContentWidth, maxPrefWidth()); - } - - m_width = max(m_width, minPrefWidth()); - - // Finally, with our true width determined, compute our margins for real. - m_marginRight = 0; - m_marginLeft = 0; - calcHorizontalMargins(style()->marginLeft(), style()->marginRight(), availableWidth); -} - -void RenderTable::layout() -{ - ASSERT(needsLayout()); - - if (layoutOnlyPositionedObjects()) - return; - - recalcSectionsIfNeeded(); - - IntRect oldBounds; - IntRect oldOutlineBox; - bool checkForRepaint = checkForRepaintDuringLayout(); - if (checkForRepaint) { - oldBounds = absoluteClippedOverflowRect(); - oldOutlineBox = absoluteOutlineBox(); - } - - view()->pushLayoutState(this, IntSize(m_x, m_y)); - - m_height = 0; - m_overflowHeight = 0; - m_overflowTop = 0; - initMaxMarginValues(); - - int oldWidth = m_width; - calcWidth(); - - if (m_caption && m_width != oldWidth) - m_caption->setNeedsLayout(true, false); - - // FIXME: The optimisation below doesn't work since the internal table - // layout could have changed. we need to add a flag to the table - // layout that tells us if something has changed in the min max - // calculations to do it correctly. -// if ( oldWidth != m_width || columns.size() + 1 != columnPos.size() ) - m_tableLayout->layout(); - - setCellWidths(); - - // layout child objects - int calculatedHeight = 0; - int oldTableTop = m_caption ? m_caption->height() + m_caption->marginTop() + m_caption->marginBottom() : 0; - - RenderObject* child = firstChild(); - while (child) { - // FIXME: What about a form that has a display value that makes it a table section? - if (child->needsLayout() && !(child->element() && child->element()->hasTagName(formTag))) - child->layout(); - if (child->isTableSection()) { - static_cast<RenderTableSection*>(child)->calcRowHeight(); - calculatedHeight += static_cast<RenderTableSection*>(child)->layoutRows(0); - } - child = child->nextSibling(); - } - - m_overflowWidth = m_width + (collapseBorders() ? outerBorderRight() - borderRight() : 0); - m_overflowLeft = collapseBorders() ? borderLeft() - outerBorderLeft() : 0; - - // If any table section moved vertically, we will just repaint everything from that - // section down (it is quite unlikely that any of the following sections - // did not shift). - bool sectionMoved = false; - int movedSectionTop = 0; - - // FIXME: Collapse caption margin. - if (m_caption && m_caption->style()->captionSide() != CAPBOTTOM) { - IntRect captionRect(m_caption->xPos(), m_caption->yPos(), m_caption->width(), m_caption->height()); - - m_caption->setPos(m_caption->marginLeft(), m_height); - if (!selfNeedsLayout() && m_caption->checkForRepaintDuringLayout()) - m_caption->repaintDuringLayoutIfMoved(captionRect); - - m_height += m_caption->height() + m_caption->marginTop() + m_caption->marginBottom(); - m_overflowLeft = min(m_overflowLeft, m_caption->xPos() + m_caption->overflowLeft(false)); - m_overflowWidth = max(m_overflowWidth, m_caption->xPos() + m_caption->overflowWidth(false)); - m_overflowTop = min(m_overflowTop, m_caption->yPos() + m_caption->overflowTop(false)); - m_overflowHeight = max(m_overflowHeight, m_caption->yPos() + m_caption->overflowHeight(false)); - - if (m_height != oldTableTop) { - sectionMoved = true; - movedSectionTop = min(m_height, oldTableTop); - } - } - - int bpTop = borderTop() + (collapseBorders() ? 0 : paddingTop()); - int bpBottom = borderBottom() + (collapseBorders() ? 0 : paddingBottom()); - - m_height += bpTop; - - int oldHeight = m_height; - if (!isPositioned()) - calcHeight(); - m_height = oldHeight; - - Length h = style()->height(); - int th = 0; - if (h.isFixed()) - // Tables size as though CSS height includes border/padding. - th = h.value() - (bpTop + bpBottom); - else if (h.isPercent()) - th = calcPercentageHeight(h); - th = max(0, th); - - // layout rows - if (th > calculatedHeight) { - // we have to redistribute that height to get the constraint correctly - // just force the first body to the height needed - // FIXME: This should take height constraints on all table sections into account and distribute - // accordingly. For now this should be good enough. - if (m_firstBody) { - m_firstBody->calcRowHeight(); - m_firstBody->layoutRows(th - calculatedHeight); - } else if (!style()->htmlHacks()) - // Completely empty tables (with no sections or anything) should at least honor specified height - // in strict mode. - m_height += th; - } - - int bl = borderLeft(); - if (!collapseBorders()) - bl += paddingLeft(); - - // position the table sections - RenderTableSection* section = m_head ? m_head : (m_firstBody ? m_firstBody : m_foot); - while (section) { - if (!sectionMoved && section->yPos() != m_height) { - sectionMoved = true; - movedSectionTop = min(m_height, section->yPos()) + section->overflowTop(false); - } - section->setPos(bl, m_height); - - m_height += section->height(); - m_overflowLeft = min(m_overflowLeft, section->xPos() + section->overflowLeft(false)); - m_overflowWidth = max(m_overflowWidth, section->xPos() + section->overflowWidth(false)); - m_overflowTop = min(m_overflowTop, section->yPos() + section->overflowTop(false)); - m_overflowHeight = max(m_overflowHeight, section->yPos() + section->overflowHeight(false)); - section = sectionBelow(section); - } - - m_height += bpBottom; - - if (m_caption && m_caption->style()->captionSide() == CAPBOTTOM) { - IntRect captionRect(m_caption->xPos(), m_caption->yPos(), m_caption->width(), m_caption->height()); - - m_caption->setPos(m_caption->marginLeft(), m_height); - if (!selfNeedsLayout() && m_caption->checkForRepaintDuringLayout()) - m_caption->repaintDuringLayoutIfMoved(captionRect); - - m_height += m_caption->height() + m_caption->marginTop() + m_caption->marginBottom(); - m_overflowLeft = min(m_overflowLeft, m_caption->xPos() + m_caption->overflowLeft(false)); - m_overflowWidth = max(m_overflowWidth, m_caption->xPos() + m_caption->overflowWidth(false)); - } - - if (isPositioned()) - calcHeight(); - - m_overflowHeight = max(m_overflowHeight, m_height); - - // table can be containing block of positioned elements. - // FIXME: Only pass true if width or height changed. - layoutPositionedObjects(true); - - if (!hasOverflowClip()) { - if (ShadowData* boxShadow = style()->boxShadow()) { - m_overflowLeft = min(m_overflowLeft, boxShadow->x - boxShadow->blur); - m_overflowWidth = max(m_overflowWidth, m_width + boxShadow->x + boxShadow->blur); - m_overflowTop = min(m_overflowTop, boxShadow->y - boxShadow->blur); - m_overflowHeight = max(m_overflowHeight, m_height + boxShadow->y + boxShadow->blur); - } - } - - view()->popLayoutState(); - - bool didFullRepaint = true; - // Repaint with our new bounds if they are different from our old bounds. - if (checkForRepaint) - didFullRepaint = repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox); - if (!didFullRepaint && sectionMoved) - repaintRectangle(IntRect(m_overflowLeft, movedSectionTop, m_overflowWidth - m_overflowLeft, m_overflowHeight - movedSectionTop)); - - setNeedsLayout(false); -} - -void RenderTable::setCellWidths() -{ - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (child->isTableSection()) - static_cast<RenderTableSection*>(child)->setCellWidths(); - } -} - -void RenderTable::paint(PaintInfo& paintInfo, int tx, int ty) -{ - tx += xPos(); - ty += yPos(); - - PaintPhase paintPhase = paintInfo.phase; - - int os = 2 * maximalOutlineSize(paintPhase); - if (ty + overflowTop(false) >= paintInfo.rect.bottom() + os || ty + overflowHeight(false) <= paintInfo.rect.y() - os) - return; - if (tx + overflowLeft(false) >= paintInfo.rect.right() + os || tx + overflowWidth(false) <= paintInfo.rect.x() - os) - return; - - if ((paintPhase == PaintPhaseBlockBackground || paintPhase == PaintPhaseChildBlockBackground) && hasBoxDecorations() && style()->visibility() == VISIBLE) - paintBoxDecorations(paintInfo, tx, ty); - - // We're done. We don't bother painting any children. - if (paintPhase == PaintPhaseBlockBackground) - return; - - // We don't paint our own background, but we do let the kids paint their backgrounds. - if (paintPhase == PaintPhaseChildBlockBackgrounds) - paintPhase = PaintPhaseChildBlockBackground; - PaintInfo info(paintInfo); - info.phase = paintPhase; - info.paintingRoot = paintingRootForChildren(paintInfo); - - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (!child->hasLayer() && (child->isTableSection() || child == m_caption)) - child->paint(info, tx, ty); - } - - if (collapseBorders() && paintPhase == PaintPhaseChildBlockBackground && style()->visibility() == VISIBLE) { - // Collect all the unique border styles that we want to paint in a sorted list. Once we - // have all the styles sorted, we then do individual passes, painting each style of border - // from lowest precedence to highest precedence. - info.phase = PaintPhaseCollapsedTableBorders; - RenderTableCell::CollapsedBorderStyles borderStyles; - RenderObject* stop = nextInPreOrderAfterChildren(); - for (RenderObject* o = firstChild(); o && o != stop; o = o->nextInPreOrder()) - if (o->isTableCell()) - static_cast<RenderTableCell*>(o)->collectBorderStyles(borderStyles); - RenderTableCell::sortBorderStyles(borderStyles); - size_t count = borderStyles.size(); - for (size_t i = 0; i < count; ++i) { - m_currentBorder = &borderStyles[i]; - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) - if (child->isTableSection()) - child->paint(info, tx, ty); - } - m_currentBorder = 0; - } -} - -void RenderTable::paintBoxDecorations(PaintInfo& paintInfo, int tx, int ty) -{ - int w = width(); - int h = height(); - - // Account for the caption. - if (m_caption) { - int captionHeight = (m_caption->height() + m_caption->marginBottom() + m_caption->marginTop()); - h -= captionHeight; - if (m_caption->style()->captionSide() != CAPBOTTOM) - ty += captionHeight; - } - - int my = max(ty, paintInfo.rect.y()); - int mh; - if (ty < paintInfo.rect.y()) - mh = max(0, h - (paintInfo.rect.y() - ty)); - else - mh = min(paintInfo.rect.height(), h); - - paintBoxShadow(paintInfo.context, tx, ty, w, h, style()); - - paintBackground(paintInfo.context, style()->backgroundColor(), style()->backgroundLayers(), my, mh, tx, ty, w, h); - - if (style()->hasBorder() && !collapseBorders()) - paintBorder(paintInfo.context, tx, ty, w, h, style()); -} - -void RenderTable::calcPrefWidths() -{ - ASSERT(prefWidthsDirty()); - - recalcSectionsIfNeeded(); - recalcHorizontalBorders(); - - m_tableLayout->calcPrefWidths(m_minPrefWidth, m_maxPrefWidth); - - if (m_caption) - m_minPrefWidth = max(m_minPrefWidth, m_caption->minPrefWidth()); - - setPrefWidthsDirty(false); -} - -void RenderTable::splitColumn(int pos, int firstSpan) -{ - // we need to add a new columnStruct - int oldSize = m_columns.size(); - m_columns.grow(oldSize + 1); - int oldSpan = m_columns[pos].span; - ASSERT(oldSpan > firstSpan); - m_columns[pos].span = firstSpan; - memmove(m_columns.data() + pos + 1, m_columns.data() + pos, (oldSize - pos) * sizeof(ColumnStruct)); - m_columns[pos + 1].span = oldSpan - firstSpan; - - // change width of all rows. - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (child->isTableSection()) - static_cast<RenderTableSection*>(child)->splitColumn(pos, oldSize + 1); - } - - m_columnPos.grow(numEffCols() + 1); - setNeedsLayoutAndPrefWidthsRecalc(); -} - -void RenderTable::appendColumn(int span) -{ - // easy case. - int pos = m_columns.size(); - int newSize = pos + 1; - m_columns.grow(newSize); - m_columns[pos].span = span; - - // change width of all rows. - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (child->isTableSection()) - static_cast<RenderTableSection*>(child)->appendColumn(pos); - } - - m_columnPos.grow(numEffCols() + 1); - setNeedsLayoutAndPrefWidthsRecalc(); -} - -RenderTableCol* RenderTable::colElement(int col, bool* startEdge, bool* endEdge) const -{ - if (!m_hasColElements) - return 0; - RenderObject* child = firstChild(); - int cCol = 0; - - while (child) { - if (child->isTableCol()) { - RenderTableCol* colElem = static_cast<RenderTableCol*>(child); - int span = colElem->span(); - if (!colElem->firstChild()) { - int startCol = cCol; - int endCol = cCol + span - 1; - cCol += span; - if (cCol > col) { - if (startEdge) - *startEdge = startCol == col; - if (endEdge) - *endEdge = endCol == col; - return colElem; - } - } - - RenderObject* next = child->firstChild(); - if (!next) - next = child->nextSibling(); - if (!next && child->parent()->isTableCol()) - next = child->parent()->nextSibling(); - child = next; - } else if (child == m_caption) - child = child->nextSibling(); - else - break; - } - - return 0; -} - -void RenderTable::recalcSections() const -{ - m_caption = 0; - m_head = 0; - m_foot = 0; - m_firstBody = 0; - m_hasColElements = false; - - // We need to get valid pointers to caption, head, foot and first body again - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - switch (child->style()->display()) { - case TABLE_CAPTION: - if (!m_caption && child->isRenderBlock()) { - m_caption = static_cast<RenderBlock*>(child); - m_caption->setNeedsLayout(true); - } - break; - case TABLE_COLUMN: - case TABLE_COLUMN_GROUP: - m_hasColElements = true; - break; - case TABLE_HEADER_GROUP: - if (child->isTableSection()) { - RenderTableSection* section = static_cast<RenderTableSection*>(child); - if (!m_head) - m_head = section; - else if (!m_firstBody) - m_firstBody = section; - section->recalcCellsIfNeeded(); - } - break; - case TABLE_FOOTER_GROUP: - if (child->isTableSection()) { - RenderTableSection* section = static_cast<RenderTableSection*>(child); - if (!m_foot) - m_foot = section; - else if (!m_firstBody) - m_firstBody = section; - section->recalcCellsIfNeeded(); - } - break; - case TABLE_ROW_GROUP: - if (child->isTableSection()) { - RenderTableSection* section = static_cast<RenderTableSection*>(child); - if (!m_firstBody) - m_firstBody = section; - section->recalcCellsIfNeeded(); - } - break; - default: - break; - } - } - - // repair column count (addChild can grow it too much, because it always adds elements to the last row of a section) - int maxCols = 0; - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (child->isTableSection()) { - RenderTableSection* section = static_cast<RenderTableSection*>(child); - int sectionCols = section->numColumns(); - if (sectionCols > maxCols) - maxCols = sectionCols; - } - } - - m_columns.resize(maxCols); - m_columnPos.resize(maxCols + 1); - - ASSERT(selfNeedsLayout()); - - m_needsSectionRecalc = false; -} - -RenderObject* RenderTable::removeChildNode(RenderObject* child, bool fullRemove) -{ - setNeedsSectionRecalc(); - return RenderContainer::removeChildNode(child, fullRemove); -} - -int RenderTable::calcBorderLeft() const -{ - if (collapseBorders()) { - // Determined by the first cell of the first row. See the CSS 2.1 spec, section 17.6.2. - if (!numEffCols()) - return 0; - - unsigned borderWidth = 0; - - const BorderValue& tb = style()->borderLeft(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = tb.width; - - int leftmostColumn = style()->direction() == RTL ? numEffCols() - 1 : 0; - RenderTableCol* colGroup = colElement(leftmostColumn); - if (colGroup) { - const BorderValue& gb = style()->borderLeft(); - if (gb.style() == BHIDDEN) - return 0; - if (gb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(gb.width)); - } - - RenderTableSection* firstNonEmptySection = m_head ? m_head : (m_firstBody ? m_firstBody : m_foot); - if (firstNonEmptySection && !firstNonEmptySection->numRows()) - firstNonEmptySection = sectionBelow(firstNonEmptySection, true); - - if (firstNonEmptySection) { - const BorderValue& sb = firstNonEmptySection->style()->borderLeft(); - if (sb.style() == BHIDDEN) - return 0; - - if (sb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(sb.width)); - - const RenderTableSection::CellStruct& cs = firstNonEmptySection->cellAt(0, leftmostColumn); - - if (cs.cell) { - const BorderValue& cb = cs.cell->style()->borderLeft(); - if (cb.style() == BHIDDEN) - return 0; - - const BorderValue& rb = cs.cell->parent()->style()->borderLeft(); - if (rb.style() == BHIDDEN) - return 0; - - if (cb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(cb.width)); - if (rb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(rb.width)); - } - } - return borderWidth / 2; - } - return RenderBlock::borderLeft(); -} - -int RenderTable::calcBorderRight() const -{ - if (collapseBorders()) { - // Determined by the last cell of the first row. See the CSS 2.1 spec, section 17.6.2. - if (!numEffCols()) - return 0; - - unsigned borderWidth = 0; - - const BorderValue& tb = style()->borderRight(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = tb.width; - - int rightmostColumn = style()->direction() == RTL ? 0 : numEffCols() - 1; - RenderTableCol* colGroup = colElement(rightmostColumn); - if (colGroup) { - const BorderValue& gb = style()->borderRight(); - if (gb.style() == BHIDDEN) - return 0; - if (gb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(gb.width)); - } - - RenderTableSection* firstNonEmptySection = m_head ? m_head : (m_firstBody ? m_firstBody : m_foot); - if (firstNonEmptySection && !firstNonEmptySection->numRows()) - firstNonEmptySection = sectionBelow(firstNonEmptySection, true); - - if (firstNonEmptySection) { - const BorderValue& sb = firstNonEmptySection->style()->borderRight(); - if (sb.style() == BHIDDEN) - return 0; - - if (sb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(sb.width)); - - const RenderTableSection::CellStruct& cs = firstNonEmptySection->cellAt(0, rightmostColumn); - - if (cs.cell) { - const BorderValue& cb = cs.cell->style()->borderRight(); - if (cb.style() == BHIDDEN) - return 0; - - const BorderValue& rb = cs.cell->parent()->style()->borderRight(); - if (rb.style() == BHIDDEN) - return 0; - - if (cb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(cb.width)); - if (rb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<unsigned>(rb.width)); - } - } - return (borderWidth + 1) / 2; - } - return RenderBlock::borderRight(); -} - -void RenderTable::recalcHorizontalBorders() -{ - m_borderLeft = calcBorderLeft(); - m_borderRight = calcBorderRight(); -} - -int RenderTable::borderTop() const -{ - if (collapseBorders()) - return outerBorderTop(); - return RenderBlock::borderTop(); -} - -int RenderTable::borderBottom() const -{ - if (collapseBorders()) - return outerBorderBottom(); - return RenderBlock::borderBottom(); -} - -int RenderTable::outerBorderTop() const -{ - if (!collapseBorders()) - return 0; - int borderWidth = 0; - RenderTableSection* topSection; - if (m_head) - topSection = m_head; - else if (m_firstBody) - topSection = m_firstBody; - else if (m_foot) - topSection = m_foot; - else - topSection = 0; - if (topSection) { - borderWidth = topSection->outerBorderTop(); - if (borderWidth == -1) - return 0; // Overridden by hidden - } - const BorderValue& tb = style()->borderTop(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<int>(tb.width / 2)); - return borderWidth; -} - -int RenderTable::outerBorderBottom() const -{ - if (!collapseBorders()) - return 0; - int borderWidth = 0; - RenderTableSection* bottomSection; - if (m_foot) - bottomSection = m_foot; - else { - RenderObject* child; - for (child = lastChild(); child && !child->isTableSection(); child = child->previousSibling()) - ; - bottomSection = child ? static_cast<RenderTableSection*>(child) : 0; - } - if (bottomSection) { - borderWidth = bottomSection->outerBorderBottom(); - if (borderWidth == -1) - return 0; // Overridden by hidden - } - const BorderValue& tb = style()->borderBottom(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = max(borderWidth, static_cast<int>((tb.width + 1) / 2)); - return borderWidth; -} - -int RenderTable::outerBorderLeft() const -{ - if (!collapseBorders()) - return 0; - - int borderWidth = 0; - - const BorderValue& tb = style()->borderLeft(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = tb.width / 2; - - bool allHidden = true; - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (!child->isTableSection()) - continue; - int sw = static_cast<RenderTableSection*>(child)->outerBorderLeft(); - if (sw == -1) - continue; - else - allHidden = false; - borderWidth = max(borderWidth, sw); - } - if (allHidden) - return 0; - - return borderWidth; -} - -int RenderTable::outerBorderRight() const -{ - if (!collapseBorders()) - return 0; - - int borderWidth = 0; - - const BorderValue& tb = style()->borderRight(); - if (tb.style() == BHIDDEN) - return 0; - if (tb.style() > BHIDDEN) - borderWidth = (tb.width + 1) / 2; - - bool allHidden = true; - for (RenderObject* child = firstChild(); child; child = child->nextSibling()) { - if (!child->isTableSection()) - continue; - int sw = static_cast<RenderTableSection*>(child)->outerBorderRight(); - if (sw == -1) - continue; - else - allHidden = false; - borderWidth = max(borderWidth, sw); - } - if (allHidden) - return 0; - - return borderWidth; -} - -RenderTableSection* RenderTable::sectionAbove(const RenderTableSection* section, bool skipEmptySections) const -{ - recalcSectionsIfNeeded(); - - if (section == m_head) - return 0; - - RenderObject* prevSection = section == m_foot ? lastChild() : section->previousSibling(); - while (prevSection) { - if (prevSection->isTableSection() && prevSection != m_head && prevSection != m_foot && (!skipEmptySections || static_cast<RenderTableSection*>(prevSection)->numRows())) - break; - prevSection = prevSection->previousSibling(); - } - if (!prevSection && m_head && (!skipEmptySections || m_head->numRows())) - prevSection = m_head; - return static_cast<RenderTableSection*>(prevSection); -} - -RenderTableSection* RenderTable::sectionBelow(const RenderTableSection* section, bool skipEmptySections) const -{ - recalcSectionsIfNeeded(); - - if (section == m_foot) - return 0; - - RenderObject* nextSection = section == m_head ? firstChild() : section->nextSibling(); - while (nextSection) { - if (nextSection->isTableSection() && nextSection != m_head && nextSection != m_foot && (!skipEmptySections || static_cast<RenderTableSection*>(nextSection)->numRows())) - break; - nextSection = nextSection->nextSibling(); - } - if (!nextSection && m_foot && (!skipEmptySections || m_foot->numRows())) - nextSection = m_foot; - return static_cast<RenderTableSection*>(nextSection); -} - -RenderTableCell* RenderTable::cellAbove(const RenderTableCell* cell) const -{ - recalcSectionsIfNeeded(); - - // Find the section and row to look in - int r = cell->row(); - RenderTableSection* section = 0; - int rAbove = 0; - if (r > 0) { - // cell is not in the first row, so use the above row in its own section - section = cell->section(); - rAbove = r - 1; - } else { - section = sectionAbove(cell->section(), true); - if (section) - rAbove = section->numRows() - 1; - } - - // Look up the cell in the section's grid, which requires effective col index - if (section) { - int effCol = colToEffCol(cell->col()); - RenderTableSection::CellStruct aboveCell; - // If we hit a span back up to a real cell. - do { - aboveCell = section->cellAt(rAbove, effCol); - effCol--; - } while (!aboveCell.cell && aboveCell.inColSpan && effCol >= 0); - return aboveCell.cell; - } else - return 0; -} - -RenderTableCell* RenderTable::cellBelow(const RenderTableCell* cell) const -{ - recalcSectionsIfNeeded(); - - // Find the section and row to look in - int r = cell->row() + cell->rowSpan() - 1; - RenderTableSection* section = 0; - int rBelow = 0; - if (r < cell->section()->numRows() - 1) { - // The cell is not in the last row, so use the next row in the section. - section = cell->section(); - rBelow = r + 1; - } else { - section = sectionBelow(cell->section(), true); - if (section) - rBelow = 0; - } - - // Look up the cell in the section's grid, which requires effective col index - if (section) { - int effCol = colToEffCol(cell->col()); - RenderTableSection::CellStruct belowCell; - // If we hit a colspan back up to a real cell. - do { - belowCell = section->cellAt(rBelow, effCol); - effCol--; - } while (!belowCell.cell && belowCell.inColSpan && effCol >= 0); - return belowCell.cell; - } else - return 0; -} - -RenderTableCell* RenderTable::cellBefore(const RenderTableCell* cell) const -{ - recalcSectionsIfNeeded(); - - RenderTableSection* section = cell->section(); - int effCol = colToEffCol(cell->col()); - if (!effCol) - return 0; - - // If we hit a colspan back up to a real cell. - RenderTableSection::CellStruct prevCell; - do { - prevCell = section->cellAt(cell->row(), effCol - 1); - effCol--; - } while (!prevCell.cell && prevCell.inColSpan && effCol >= 0); - return prevCell.cell; -} - -RenderTableCell* RenderTable::cellAfter(const RenderTableCell* cell) const -{ - recalcSectionsIfNeeded(); - - int effCol = colToEffCol(cell->col() + cell->colSpan()); - if (effCol >= numEffCols()) - return 0; - return cell->section()->cellAt(cell->row(), effCol).cell; -} - -RenderBlock* RenderTable::firstLineBlock() const -{ - return 0; -} - -void RenderTable::updateFirstLetter() -{ -} - -IntRect RenderTable::getOverflowClipRect(int tx, int ty) -{ - IntRect rect = RenderBlock::getOverflowClipRect(tx, ty); - - // If we have a caption, expand the clip to include the caption. - // FIXME: Technically this is wrong, but it's virtually impossible to fix this - // for real until captions have been re-written. - // FIXME: This code assumes (like all our other caption code) that only top/bottom are - // supported. When we actually support left/right and stop mapping them to top/bottom, - // we might have to hack this code first (depending on what order we do these bug fixes in). - if (m_caption) { - rect.setHeight(height()); - rect.setY(ty); - } - - return rect; -} - -#ifndef NDEBUG -void RenderTable::dump(TextStream* stream, DeprecatedString ind) const -{ - if (m_caption) - *stream << " tCaption"; - if (m_head) - *stream << " head"; - if (m_foot) - *stream << " foot"; - - *stream << endl << ind << "cspans:"; - for (unsigned i = 0; i < m_columns.size(); i++) - *stream << " " << m_columns[i].span; - *stream << endl << ind; - - RenderBlock::dump(stream, ind); -} -#endif - -} |