| /* |
| * 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, 2008, 2009, 2010 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 "RenderTableSection.h" |
| #include "CachedImage.h" |
| #include "Document.h" |
| #include "HitTestResult.h" |
| #include "HTMLNames.h" |
| #include "PaintInfo.h" |
| #include "RenderTableCell.h" |
| #include "RenderTableCol.h" |
| #include "RenderTableRow.h" |
| #include "RenderView.h" |
| #include <limits> |
| #include <wtf/HashSet.h> |
| #include <wtf/Vector.h> |
| #ifdef ANDROID_LAYOUT |
| #include "Frame.h" |
| #include "Settings.h" |
| #endif |
| |
| using namespace std; |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| static inline void setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(RenderTableSection::RowStruct* row) |
| { |
| ASSERT(row && row->rowRenderer); |
| row->logicalHeight = row->rowRenderer->style()->logicalHeight(); |
| if (row->logicalHeight.isRelative()) |
| row->logicalHeight = Length(); |
| } |
| |
| RenderTableSection::RenderTableSection(Node* node) |
| : RenderBox(node) |
| , m_gridRows(0) |
| , m_cCol(0) |
| , m_cRow(-1) |
| , m_outerBorderStart(0) |
| , m_outerBorderEnd(0) |
| , m_outerBorderBefore(0) |
| , m_outerBorderAfter(0) |
| , m_needsCellRecalc(false) |
| , m_hasOverflowingCell(false) |
| , m_hasMultipleCellLevels(false) |
| { |
| // init RenderObject attributes |
| setInline(false); // our object is not Inline |
| } |
| |
| RenderTableSection::~RenderTableSection() |
| { |
| clearGrid(); |
| } |
| |
| void RenderTableSection::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
| { |
| RenderBox::styleDidChange(diff, oldStyle); |
| propagateStyleToAnonymousChildren(); |
| } |
| |
| void RenderTableSection::destroy() |
| { |
| RenderTable* recalcTable = table(); |
| |
| RenderBox::destroy(); |
| |
| // recalc cell info because RenderTable has unguarded pointers |
| // stored that point to this RenderTableSection. |
| if (recalcTable) |
| recalcTable->setNeedsSectionRecalc(); |
| } |
| |
| void RenderTableSection::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(); |
| |
| if (!child->isTableRow()) { |
| RenderObject* last = beforeChild; |
| if (!last) |
| last = lastChild(); |
| if (last && last->isAnonymous() && !last->isBeforeOrAfterContent()) { |
| if (beforeChild == last) |
| beforeChild = last->firstChild(); |
| last->addChild(child, beforeChild); |
| return; |
| } |
| |
| // If beforeChild is inside an anonymous cell/row, insert into the cell or into |
| // the anonymous row containing it, if there is one. |
| RenderObject* lastBox = last; |
| while (lastBox && lastBox->parent()->isAnonymous() && !lastBox->isTableRow()) |
| lastBox = lastBox->parent(); |
| if (lastBox && lastBox->isAnonymous() && !lastBox->isBeforeOrAfterContent()) { |
| lastBox->addChild(child, beforeChild); |
| return; |
| } |
| |
| RenderObject* row = new (renderArena()) RenderTableRow(document() /* anonymous table row */); |
| RefPtr<RenderStyle> newStyle = RenderStyle::create(); |
| newStyle->inheritFrom(style()); |
| newStyle->setDisplay(TABLE_ROW); |
| row->setStyle(newStyle.release()); |
| addChild(row, beforeChild); |
| row->addChild(child); |
| return; |
| } |
| |
| if (beforeChild) |
| setNeedsCellRecalc(); |
| |
| ++m_cRow; |
| m_cCol = 0; |
| |
| // make sure we have enough rows |
| if (!ensureRows(m_cRow + 1)) |
| return; |
| |
| m_grid[m_cRow].rowRenderer = toRenderTableRow(child); |
| |
| if (!beforeChild) |
| setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(&m_grid[m_cRow]); |
| |
| // If the next renderer is actually wrapped in an anonymous table row, we need to go up and find that. |
| while (beforeChild && beforeChild->parent() != this) |
| beforeChild = beforeChild->parent(); |
| |
| ASSERT(!beforeChild || beforeChild->isTableRow()); |
| RenderBox::addChild(child, beforeChild); |
| toRenderTableRow(child)->updateBeforeAndAfterContent(); |
| } |
| |
| void RenderTableSection::removeChild(RenderObject* oldChild) |
| { |
| setNeedsCellRecalc(); |
| RenderBox::removeChild(oldChild); |
| } |
| |
| bool RenderTableSection::ensureRows(int numRows) |
| { |
| int nRows = m_gridRows; |
| if (numRows > nRows) { |
| if (numRows > static_cast<int>(m_grid.size())) { |
| size_t maxSize = numeric_limits<size_t>::max() / sizeof(RowStruct); |
| if (static_cast<size_t>(numRows) > maxSize) |
| return false; |
| m_grid.grow(numRows); |
| } |
| m_gridRows = numRows; |
| int nCols = max(1, table()->numEffCols()); |
| for (int r = nRows; r < numRows; r++) { |
| m_grid[r].row = new Row(nCols); |
| m_grid[r].rowRenderer = 0; |
| m_grid[r].baseline = 0; |
| m_grid[r].logicalHeight = Length(); |
| } |
| } |
| |
| return true; |
| } |
| |
| void RenderTableSection::addCell(RenderTableCell* cell, RenderTableRow* row) |
| { |
| int rSpan = cell->rowSpan(); |
| int cSpan = cell->colSpan(); |
| Vector<RenderTable::ColumnStruct>& columns = table()->columns(); |
| int nCols = columns.size(); |
| |
| // ### mozilla still seems to do the old HTML way, even for strict DTD |
| // (see the annotation on table cell layouting in the CSS specs and the testcase below: |
| // <TABLE border> |
| // <TR><TD>1 <TD rowspan="2">2 <TD>3 <TD>4 |
| // <TR><TD colspan="2">5 |
| // </TABLE> |
| while (m_cCol < nCols && (cellAt(m_cRow, m_cCol).hasCells() || cellAt(m_cRow, m_cCol).inColSpan)) |
| m_cCol++; |
| |
| if (rSpan == 1) { |
| // we ignore height settings on rowspan cells |
| Length logicalHeight = cell->style()->logicalHeight(); |
| if (logicalHeight.isPositive() || (logicalHeight.isRelative() && logicalHeight.value() >= 0)) { |
| Length cRowLogicalHeight = m_grid[m_cRow].logicalHeight; |
| switch (logicalHeight.type()) { |
| case Percent: |
| if (!(cRowLogicalHeight.isPercent()) || |
| (cRowLogicalHeight.isPercent() && cRowLogicalHeight.percent() < logicalHeight.percent())) |
| m_grid[m_cRow].logicalHeight = logicalHeight; |
| break; |
| case Fixed: |
| if (cRowLogicalHeight.type() < Percent || |
| (cRowLogicalHeight.isFixed() && cRowLogicalHeight.value() < logicalHeight.value())) |
| m_grid[m_cRow].logicalHeight = logicalHeight; |
| break; |
| case Relative: |
| default: |
| break; |
| } |
| } |
| } |
| |
| // make sure we have enough rows |
| if (!ensureRows(m_cRow + rSpan)) |
| return; |
| |
| m_grid[m_cRow].rowRenderer = row; |
| |
| int col = m_cCol; |
| // tell the cell where it is |
| bool inColSpan = false; |
| while (cSpan) { |
| int currentSpan; |
| if (m_cCol >= nCols) { |
| table()->appendColumn(cSpan); |
| currentSpan = cSpan; |
| } else { |
| if (cSpan < (int)columns[m_cCol].span) |
| table()->splitColumn(m_cCol, cSpan); |
| currentSpan = columns[m_cCol].span; |
| } |
| for (int r = 0; r < rSpan; r++) { |
| CellStruct& c = cellAt(m_cRow + r, m_cCol); |
| ASSERT(cell); |
| c.cells.append(cell); |
| // If cells overlap then we take the slow path for painting. |
| if (c.cells.size() > 1) |
| m_hasMultipleCellLevels = true; |
| if (inColSpan) |
| c.inColSpan = true; |
| } |
| m_cCol++; |
| cSpan -= currentSpan; |
| inColSpan = true; |
| } |
| cell->setRow(m_cRow); |
| cell->setCol(table()->effColToCol(col)); |
| } |
| |
| void RenderTableSection::setCellLogicalWidths() |
| { |
| Vector<int>& columnPos = table()->columnPositions(); |
| |
| LayoutStateMaintainer statePusher(view()); |
| |
| #ifdef ANDROID_LAYOUT |
| int visibleWidth = 0; |
| if (view()->frameView()) { |
| const Settings* settings = document()->settings(); |
| ASSERT(settings); |
| if (settings->layoutAlgorithm() == Settings::kLayoutFitColumnToScreen) |
| visibleWidth = view()->frameView()->textWrapWidth(); |
| } |
| #endif |
| |
| for (int i = 0; i < m_gridRows; i++) { |
| Row& row = *m_grid[i].row; |
| int cols = row.size(); |
| for (int j = 0; j < cols; j++) { |
| CellStruct& current = row[j]; |
| RenderTableCell* cell = current.primaryCell(); |
| if (!cell || current.inColSpan) |
| continue; |
| int endCol = j; |
| int cspan = cell->colSpan(); |
| while (cspan && endCol < cols) { |
| ASSERT(endCol < (int)table()->columns().size()); |
| cspan -= table()->columns()[endCol].span; |
| endCol++; |
| } |
| int w = columnPos[endCol] - columnPos[j] - table()->hBorderSpacing(); |
| #ifdef ANDROID_LAYOUT |
| if (table()->isSingleColumn()) { |
| int b = table()->collapseBorders() ? |
| 0 : table()->paddingLeft() + table()->paddingRight() + 2 * table()->hBorderSpacing(); |
| w = table()->width() - (table()->borderLeft() + table()->borderRight() + b); |
| } |
| #endif |
| int oldLogicalWidth = cell->logicalWidth(); |
| #ifdef ANDROID_LAYOUT |
| if (w != oldLogicalWidth || (visibleWidth > 0 && visibleWidth != cell->getVisibleWidth())) { |
| #else |
| if (w != oldLogicalWidth) { |
| #endif |
| cell->setNeedsLayout(true); |
| if (!table()->selfNeedsLayout() && cell->checkForRepaintDuringLayout()) { |
| if (!statePusher.didPush()) { |
| // Technically, we should also push state for the row, but since |
| // rows don't push a coordinate transform, that's not necessary. |
| statePusher.push(this, IntSize(x(), y())); |
| } |
| cell->repaint(); |
| } |
| #ifdef ANDROID_LAYOUT |
| if (w != oldLogicalWidth) |
| #endif |
| cell->updateLogicalWidth(w); |
| } |
| } |
| } |
| |
| statePusher.pop(); // only pops if we pushed |
| } |
| |
| int RenderTableSection::calcRowLogicalHeight() |
| { |
| #ifndef NDEBUG |
| setNeedsLayoutIsForbidden(true); |
| #endif |
| |
| ASSERT(!needsLayout()); |
| #ifdef ANDROID_LAYOUT |
| if (table()->isSingleColumn()) { |
| int height = 0; |
| int spacing = table()->vBorderSpacing(); |
| for (int r = 0; r < m_gridRows; r++) |
| height += m_grid[r].logicalHeight.calcMinValue(0) + (m_grid[r].rowRenderer ? spacing : 0); |
| return height; |
| } |
| #endif |
| |
| RenderTableCell* cell; |
| |
| int spacing = table()->vBorderSpacing(); |
| |
| LayoutStateMaintainer statePusher(view()); |
| |
| m_rowPos.resize(m_gridRows + 1); |
| m_rowPos[0] = spacing; |
| |
| for (int r = 0; r < m_gridRows; r++) { |
| m_rowPos[r + 1] = 0; |
| m_grid[r].baseline = 0; |
| int baseline = 0; |
| int bdesc = 0; |
| int ch = m_grid[r].logicalHeight.calcMinValue(0); |
| int pos = m_rowPos[r] + ch + (m_grid[r].rowRenderer ? spacing : 0); |
| |
| m_rowPos[r + 1] = max(m_rowPos[r + 1], pos); |
| |
| Row* row = m_grid[r].row; |
| int totalCols = row->size(); |
| |
| for (int c = 0; c < totalCols; c++) { |
| CellStruct& current = cellAt(r, c); |
| cell = current.primaryCell(); |
| |
| if (!cell || current.inColSpan) |
| continue; |
| |
| if ((cell->row() + cell->rowSpan() - 1) > r) |
| continue; |
| |
| int indx = max(r - cell->rowSpan() + 1, 0); |
| |
| if (cell->overrideSize() != -1) { |
| if (!statePusher.didPush()) { |
| // Technically, we should also push state for the row, but since |
| // rows don't push a coordinate transform, that's not necessary. |
| statePusher.push(this, IntSize(x(), y())); |
| } |
| cell->setOverrideSize(-1); |
| cell->setChildNeedsLayout(true, false); |
| cell->layoutIfNeeded(); |
| } |
| |
| int adjustedPaddingBefore = cell->paddingBefore() - cell->intrinsicPaddingBefore(); |
| int adjustedPaddingAfter = cell->paddingAfter() - cell->intrinsicPaddingAfter(); |
| int adjustedLogicalHeight = cell->logicalHeight() - (cell->intrinsicPaddingBefore() + cell->intrinsicPaddingAfter()); |
| |
| // Explicit heights use the border box in quirks mode. In strict mode do the right |
| // thing and actually add in the border and padding. |
| ch = cell->style()->logicalHeight().calcValue(0) + |
| (document()->inQuirksMode() ? 0 : (adjustedPaddingBefore + adjustedPaddingAfter + |
| cell->borderBefore() + cell->borderAfter())); |
| ch = max(ch, adjustedLogicalHeight); |
| |
| pos = m_rowPos[indx] + ch + (m_grid[r].rowRenderer ? spacing : 0); |
| |
| m_rowPos[r + 1] = max(m_rowPos[r + 1], pos); |
| |
| // find out the baseline |
| EVerticalAlign va = cell->style()->verticalAlign(); |
| if (va == BASELINE || va == TEXT_BOTTOM || va == TEXT_TOP || va == SUPER || va == SUB) { |
| int b = cell->cellBaselinePosition(); |
| if (b > cell->borderBefore() + cell->paddingBefore()) { |
| baseline = max(baseline, b - cell->intrinsicPaddingBefore()); |
| bdesc = max(bdesc, m_rowPos[indx] + ch - (b - cell->intrinsicPaddingBefore())); |
| } |
| } |
| } |
| |
| // do we have baseline aligned elements? |
| if (baseline) { |
| // increase rowheight if baseline requires |
| m_rowPos[r + 1] = max(m_rowPos[r + 1], baseline + bdesc + (m_grid[r].rowRenderer ? spacing : 0)); |
| m_grid[r].baseline = baseline; |
| } |
| |
| m_rowPos[r + 1] = max(m_rowPos[r + 1], m_rowPos[r]); |
| } |
| |
| #ifndef NDEBUG |
| setNeedsLayoutIsForbidden(false); |
| #endif |
| |
| ASSERT(!needsLayout()); |
| |
| statePusher.pop(); |
| |
| return m_rowPos[m_gridRows]; |
| } |
| |
| void RenderTableSection::layout() |
| { |
| ASSERT(needsLayout()); |
| |
| LayoutStateMaintainer statePusher(view(), this, IntSize(x(), y()), style()->isFlippedBlocksWritingMode()); |
| for (RenderObject* child = children()->firstChild(); child; child = child->nextSibling()) { |
| if (child->isTableRow()) { |
| child->layoutIfNeeded(); |
| ASSERT(!child->needsLayout()); |
| } |
| } |
| statePusher.pop(); |
| setNeedsLayout(false); |
| } |
| |
| int RenderTableSection::layoutRows(int toAdd) |
| { |
| #ifndef NDEBUG |
| setNeedsLayoutIsForbidden(true); |
| #endif |
| |
| ASSERT(!needsLayout()); |
| #ifdef ANDROID_LAYOUT |
| if (table()->isSingleColumn()) { |
| int totalRows = m_gridRows; |
| int hspacing = table()->hBorderSpacing(); |
| int vspacing = table()->vBorderSpacing(); |
| int rHeight = vspacing; |
| |
| int leftOffset = hspacing; |
| |
| int nEffCols = table()->numEffCols(); |
| for (int r = 0; r < totalRows; r++) { |
| for (int c = 0; c < nEffCols; c++) { |
| CellStruct current = cellAt(r, c); |
| RenderTableCell* cell = current.primaryCell(); |
| |
| if (!cell || current.inColSpan) |
| continue; |
| if (r > 0 && (primaryCellAt(r-1, c) == cell)) |
| continue; |
| |
| // cell->setCellTopExtra(0); |
| // cell->setCellBottomExtra(0); |
| |
| int oldCellX = cell->x(); |
| int oldCellY = cell->y(); |
| |
| if (style()->direction() == RTL) { |
| cell->setX(table()->width()); |
| cell->setY(rHeight); |
| } else { |
| cell->setX(leftOffset); |
| cell->setY(rHeight); |
| } |
| |
| // If the cell moved, we have to repaint it as well as any floating/positioned |
| // descendants. An exception is if we need a layout. In this case, we know we're going to |
| // repaint ourselves (and the cell) anyway. |
| if (!table()->selfNeedsLayout() && cell->checkForRepaintDuringLayout()) { |
| // IntRect cellRect(oldCellX, oldCellY - cell->borderTopExtra() , cell->width(), cell->height()); |
| IntRect cellRect(oldCellX, oldCellY, cell->width(), cell->height()); |
| cell->repaintDuringLayoutIfMoved(cellRect); |
| } |
| rHeight += cell->height() + vspacing; |
| } |
| } |
| |
| setHeight(rHeight); |
| return height(); |
| } |
| #endif |
| |
| int rHeight; |
| int rindx; |
| int totalRows = m_gridRows; |
| |
| // Set the width of our section now. The rows will also be this width. |
| setLogicalWidth(table()->contentLogicalWidth()); |
| m_overflow.clear(); |
| m_hasOverflowingCell = false; |
| |
| if (toAdd && totalRows && (m_rowPos[totalRows] || !nextSibling())) { |
| int totalHeight = m_rowPos[totalRows] + toAdd; |
| |
| int dh = toAdd; |
| int totalPercent = 0; |
| int numAuto = 0; |
| for (int r = 0; r < totalRows; r++) { |
| if (m_grid[r].logicalHeight.isAuto()) |
| numAuto++; |
| else if (m_grid[r].logicalHeight.isPercent()) |
| totalPercent += m_grid[r].logicalHeight.percent(); |
| } |
| if (totalPercent) { |
| // try to satisfy percent |
| int add = 0; |
| totalPercent = min(totalPercent, 100); |
| int rh = m_rowPos[1] - m_rowPos[0]; |
| for (int r = 0; r < totalRows; r++) { |
| if (totalPercent > 0 && m_grid[r].logicalHeight.isPercent()) { |
| int toAdd = min(dh, static_cast<int>((totalHeight * m_grid[r].logicalHeight.percent() / 100) - rh)); |
| // If toAdd is negative, then we don't want to shrink the row (this bug |
| // affected Outlook Web Access). |
| toAdd = max(0, toAdd); |
| add += toAdd; |
| dh -= toAdd; |
| totalPercent -= m_grid[r].logicalHeight.percent(); |
| } |
| if (r < totalRows - 1) |
| rh = m_rowPos[r + 2] - m_rowPos[r + 1]; |
| m_rowPos[r + 1] += add; |
| } |
| } |
| if (numAuto) { |
| // distribute over variable cols |
| int add = 0; |
| for (int r = 0; r < totalRows; r++) { |
| if (numAuto > 0 && m_grid[r].logicalHeight.isAuto()) { |
| int toAdd = dh / numAuto; |
| add += toAdd; |
| dh -= toAdd; |
| numAuto--; |
| } |
| m_rowPos[r + 1] += add; |
| } |
| } |
| if (dh > 0 && m_rowPos[totalRows]) { |
| // if some left overs, distribute equally. |
| int tot = m_rowPos[totalRows]; |
| int add = 0; |
| int prev = m_rowPos[0]; |
| for (int r = 0; r < totalRows; r++) { |
| // weight with the original height |
| add += dh * (m_rowPos[r + 1] - prev) / tot; |
| prev = m_rowPos[r + 1]; |
| m_rowPos[r + 1] += add; |
| } |
| } |
| } |
| |
| int hspacing = table()->hBorderSpacing(); |
| int vspacing = table()->vBorderSpacing(); |
| int nEffCols = table()->numEffCols(); |
| |
| LayoutStateMaintainer statePusher(view(), this, IntSize(x(), y()), style()->isFlippedBlocksWritingMode()); |
| |
| for (int r = 0; r < totalRows; r++) { |
| // Set the row's x/y position and width/height. |
| if (RenderTableRow* rowRenderer = m_grid[r].rowRenderer) { |
| rowRenderer->setLocation(0, m_rowPos[r]); |
| rowRenderer->setLogicalWidth(logicalWidth()); |
| rowRenderer->setLogicalHeight(m_rowPos[r + 1] - m_rowPos[r] - vspacing); |
| rowRenderer->updateLayerTransform(); |
| } |
| |
| for (int c = 0; c < nEffCols; c++) { |
| CellStruct& cs = cellAt(r, c); |
| RenderTableCell* cell = cs.primaryCell(); |
| |
| if (!cell || cs.inColSpan) |
| continue; |
| |
| rindx = cell->row(); |
| rHeight = m_rowPos[rindx + cell->rowSpan()] - m_rowPos[rindx] - vspacing; |
| |
| // Force percent height children to lay themselves out again. |
| // This will cause these children to grow to fill the cell. |
| // FIXME: There is still more work to do here to fully match WinIE (should |
| // it become necessary to do so). In quirks mode, WinIE behaves like we |
| // do, but it will clip the cells that spill out of the table section. In |
| // strict mode, Mozilla and WinIE both regrow the table to accommodate the |
| // new height of the cell (thus letting the percentages cause growth one |
| // time only). We may also not be handling row-spanning cells correctly. |
| // |
| // Note also the oddity where replaced elements always flex, and yet blocks/tables do |
| // not necessarily flex. WinIE is crazy and inconsistent, and we can't hope to |
| // match the behavior perfectly, but we'll continue to refine it as we discover new |
| // bugs. :) |
| bool cellChildrenFlex = false; |
| bool flexAllChildren = cell->style()->logicalHeight().isFixed() |
| || (!table()->style()->logicalHeight().isAuto() && rHeight != cell->logicalHeight()); |
| |
| for (RenderObject* o = cell->firstChild(); o; o = o->nextSibling()) { |
| if (!o->isText() && o->style()->logicalHeight().isPercent() && (flexAllChildren || o->isReplaced() || (o->isBox() && toRenderBox(o)->scrollsOverflow()))) { |
| // Tables with no sections do not flex. |
| if (!o->isTable() || toRenderTable(o)->hasSections()) { |
| o->setNeedsLayout(true, false); |
| cellChildrenFlex = true; |
| } |
| } |
| } |
| |
| if (HashSet<RenderBox*>* percentHeightDescendants = cell->percentHeightDescendants()) { |
| HashSet<RenderBox*>::iterator end = percentHeightDescendants->end(); |
| for (HashSet<RenderBox*>::iterator it = percentHeightDescendants->begin(); it != end; ++it) { |
| RenderBox* box = *it; |
| if (!box->isReplaced() && !box->scrollsOverflow() && !flexAllChildren) |
| continue; |
| |
| while (box != cell) { |
| if (box->normalChildNeedsLayout()) |
| break; |
| box->setChildNeedsLayout(true, false); |
| box = box->containingBlock(); |
| ASSERT(box); |
| if (!box) |
| break; |
| } |
| cellChildrenFlex = true; |
| } |
| } |
| |
| if (cellChildrenFlex) { |
| cell->setChildNeedsLayout(true, false); |
| // Alignment within a cell is based off the calculated |
| // height, which becomes irrelevant once the cell has |
| // been resized based off its percentage. |
| cell->setOverrideSizeFromRowHeight(rHeight); |
| cell->layoutIfNeeded(); |
| |
| // If the baseline moved, we may have to update the data for our row. Find out the new baseline. |
| EVerticalAlign va = cell->style()->verticalAlign(); |
| if (va == BASELINE || va == TEXT_BOTTOM || va == TEXT_TOP || va == SUPER || va == SUB) { |
| int b = cell->cellBaselinePosition(); |
| if (b > cell->borderBefore() + cell->paddingBefore()) |
| m_grid[r].baseline = max(m_grid[r].baseline, b); |
| } |
| } |
| |
| int oldIntrinsicPaddingBefore = cell->intrinsicPaddingBefore(); |
| int oldIntrinsicPaddingAfter = cell->intrinsicPaddingAfter(); |
| int logicalHeightWithoutIntrinsicPadding = cell->logicalHeight() - oldIntrinsicPaddingBefore - oldIntrinsicPaddingAfter; |
| |
| int intrinsicPaddingBefore = 0; |
| switch (cell->style()->verticalAlign()) { |
| case SUB: |
| case SUPER: |
| case TEXT_TOP: |
| case TEXT_BOTTOM: |
| case BASELINE: { |
| int b = cell->cellBaselinePosition(); |
| if (b > cell->borderBefore() + cell->paddingBefore()) |
| intrinsicPaddingBefore = getBaseline(r) - (b - oldIntrinsicPaddingBefore); |
| break; |
| } |
| case TOP: |
| break; |
| case MIDDLE: |
| intrinsicPaddingBefore = (rHeight - logicalHeightWithoutIntrinsicPadding) / 2; |
| break; |
| case BOTTOM: |
| intrinsicPaddingBefore = rHeight - logicalHeightWithoutIntrinsicPadding; |
| break; |
| default: |
| break; |
| } |
| |
| int intrinsicPaddingAfter = rHeight - logicalHeightWithoutIntrinsicPadding - intrinsicPaddingBefore; |
| cell->setIntrinsicPaddingBefore(intrinsicPaddingBefore); |
| cell->setIntrinsicPaddingAfter(intrinsicPaddingAfter); |
| |
| IntRect oldCellRect(cell->x(), cell->y() , cell->width(), cell->height()); |
| |
| if (!style()->isLeftToRightDirection()) |
| cell->setLogicalLocation(table()->columnPositions()[nEffCols] - table()->columnPositions()[table()->colToEffCol(cell->col() + cell->colSpan())] + hspacing, m_rowPos[rindx]); |
| else |
| cell->setLogicalLocation(table()->columnPositions()[c] + hspacing, m_rowPos[rindx]); |
| view()->addLayoutDelta(IntSize(oldCellRect.x() - cell->x(), oldCellRect.y() - cell->y())); |
| |
| if (intrinsicPaddingBefore != oldIntrinsicPaddingBefore || intrinsicPaddingAfter != oldIntrinsicPaddingAfter) |
| cell->setNeedsLayout(true, false); |
| |
| if (!cell->needsLayout() && view()->layoutState()->pageLogicalHeight() && view()->layoutState()->pageLogicalOffset(cell->logicalTop()) != cell->pageLogicalOffset()) |
| cell->setChildNeedsLayout(true, false); |
| |
| cell->layoutIfNeeded(); |
| |
| // FIXME: Make pagination work with vertical tables. |
| if (style()->isHorizontalWritingMode() && view()->layoutState()->pageLogicalHeight() && cell->height() != rHeight) |
| cell->setHeight(rHeight); // FIXME: Pagination might have made us change size. For now just shrink or grow the cell to fit without doing a relayout. |
| |
| IntSize childOffset(cell->x() - oldCellRect.x(), cell->y() - oldCellRect.y()); |
| if (childOffset.width() || childOffset.height()) { |
| view()->addLayoutDelta(childOffset); |
| |
| // If the child moved, we have to repaint it as well as any floating/positioned |
| // descendants. An exception is if we need a layout. In this case, we know we're going to |
| // repaint ourselves (and the child) anyway. |
| if (!table()->selfNeedsLayout() && cell->checkForRepaintDuringLayout()) |
| cell->repaintDuringLayoutIfMoved(oldCellRect); |
| } |
| } |
| } |
| |
| #ifndef NDEBUG |
| setNeedsLayoutIsForbidden(false); |
| #endif |
| |
| ASSERT(!needsLayout()); |
| |
| setLogicalHeight(m_rowPos[totalRows]); |
| |
| // Now that our height has been determined, add in overflow from cells. |
| for (int r = 0; r < totalRows; r++) { |
| for (int c = 0; c < nEffCols; c++) { |
| CellStruct& cs = cellAt(r, c); |
| RenderTableCell* cell = cs.primaryCell(); |
| if (!cell || cs.inColSpan) |
| continue; |
| if (r < totalRows - 1 && cell == primaryCellAt(r + 1, c)) |
| continue; |
| addOverflowFromChild(cell); |
| m_hasOverflowingCell |= cell->hasVisualOverflow(); |
| } |
| } |
| |
| statePusher.pop(); |
| return height(); |
| } |
| |
| int RenderTableSection::calcOuterBorderBefore() const |
| { |
| int totalCols = table()->numEffCols(); |
| if (!m_gridRows || !totalCols) |
| return 0; |
| |
| unsigned borderWidth = 0; |
| |
| const BorderValue& sb = style()->borderBefore(); |
| if (sb.style() == BHIDDEN) |
| return -1; |
| if (sb.style() > BHIDDEN) |
| borderWidth = sb.width(); |
| |
| const BorderValue& rb = firstChild()->style()->borderBefore(); |
| if (rb.style() == BHIDDEN) |
| return -1; |
| if (rb.style() > BHIDDEN && rb.width() > borderWidth) |
| borderWidth = rb.width(); |
| |
| bool allHidden = true; |
| for (int c = 0; c < totalCols; c++) { |
| const CellStruct& current = cellAt(0, c); |
| if (current.inColSpan || !current.hasCells()) |
| continue; |
| const BorderValue& cb = current.primaryCell()->style()->borderBefore(); // FIXME: Make this work with perpendicular and flipped cells. |
| // FIXME: Don't repeat for the same col group |
| RenderTableCol* colGroup = table()->colElement(c); |
| if (colGroup) { |
| const BorderValue& gb = colGroup->style()->borderBefore(); |
| if (gb.style() == BHIDDEN || cb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (gb.style() > BHIDDEN && gb.width() > borderWidth) |
| borderWidth = gb.width(); |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| } else { |
| if (cb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| } |
| } |
| if (allHidden) |
| return -1; |
| |
| return borderWidth / 2; |
| } |
| |
| int RenderTableSection::calcOuterBorderAfter() const |
| { |
| int totalCols = table()->numEffCols(); |
| if (!m_gridRows || !totalCols) |
| return 0; |
| |
| unsigned borderWidth = 0; |
| |
| const BorderValue& sb = style()->borderAfter(); |
| if (sb.style() == BHIDDEN) |
| return -1; |
| if (sb.style() > BHIDDEN) |
| borderWidth = sb.width(); |
| |
| const BorderValue& rb = lastChild()->style()->borderAfter(); |
| if (rb.style() == BHIDDEN) |
| return -1; |
| if (rb.style() > BHIDDEN && rb.width() > borderWidth) |
| borderWidth = rb.width(); |
| |
| bool allHidden = true; |
| for (int c = 0; c < totalCols; c++) { |
| const CellStruct& current = cellAt(m_gridRows - 1, c); |
| if (current.inColSpan || !current.hasCells()) |
| continue; |
| const BorderValue& cb = current.primaryCell()->style()->borderAfter(); // FIXME: Make this work with perpendicular and flipped cells. |
| // FIXME: Don't repeat for the same col group |
| RenderTableCol* colGroup = table()->colElement(c); |
| if (colGroup) { |
| const BorderValue& gb = colGroup->style()->borderAfter(); |
| if (gb.style() == BHIDDEN || cb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (gb.style() > BHIDDEN && gb.width() > borderWidth) |
| borderWidth = gb.width(); |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| } else { |
| if (cb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| } |
| } |
| if (allHidden) |
| return -1; |
| |
| return (borderWidth + 1) / 2; |
| } |
| |
| int RenderTableSection::calcOuterBorderStart() const |
| { |
| int totalCols = table()->numEffCols(); |
| if (!m_gridRows || !totalCols) |
| return 0; |
| |
| unsigned borderWidth = 0; |
| |
| const BorderValue& sb = style()->borderStart(); |
| if (sb.style() == BHIDDEN) |
| return -1; |
| if (sb.style() > BHIDDEN) |
| borderWidth = sb.width(); |
| |
| if (RenderTableCol* colGroup = table()->colElement(0)) { |
| const BorderValue& gb = colGroup->style()->borderStart(); |
| if (gb.style() == BHIDDEN) |
| return -1; |
| if (gb.style() > BHIDDEN && gb.width() > borderWidth) |
| borderWidth = gb.width(); |
| } |
| |
| bool allHidden = true; |
| for (int r = 0; r < m_gridRows; r++) { |
| const CellStruct& current = cellAt(r, 0); |
| if (!current.hasCells()) |
| continue; |
| // FIXME: Don't repeat for the same cell |
| const BorderValue& cb = current.primaryCell()->style()->borderStart(); // FIXME: Make this work with perpendicular and flipped cells. |
| const BorderValue& rb = current.primaryCell()->parent()->style()->borderStart(); |
| if (cb.style() == BHIDDEN || rb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| if (rb.style() > BHIDDEN && rb.width() > borderWidth) |
| borderWidth = rb.width(); |
| } |
| if (allHidden) |
| return -1; |
| |
| return (borderWidth + (table()->style()->isLeftToRightDirection() ? 0 : 1)) / 2; |
| } |
| |
| int RenderTableSection::calcOuterBorderEnd() const |
| { |
| int totalCols = table()->numEffCols(); |
| if (!m_gridRows || !totalCols) |
| return 0; |
| |
| unsigned borderWidth = 0; |
| |
| const BorderValue& sb = style()->borderEnd(); |
| if (sb.style() == BHIDDEN) |
| return -1; |
| if (sb.style() > BHIDDEN) |
| borderWidth = sb.width(); |
| |
| if (RenderTableCol* colGroup = table()->colElement(totalCols - 1)) { |
| const BorderValue& gb = colGroup->style()->borderEnd(); |
| if (gb.style() == BHIDDEN) |
| return -1; |
| if (gb.style() > BHIDDEN && gb.width() > borderWidth) |
| borderWidth = gb.width(); |
| } |
| |
| bool allHidden = true; |
| for (int r = 0; r < m_gridRows; r++) { |
| const CellStruct& current = cellAt(r, totalCols - 1); |
| if (!current.hasCells()) |
| continue; |
| // FIXME: Don't repeat for the same cell |
| const BorderValue& cb = current.primaryCell()->style()->borderEnd(); // FIXME: Make this work with perpendicular and flipped cells. |
| const BorderValue& rb = current.primaryCell()->parent()->style()->borderEnd(); |
| if (cb.style() == BHIDDEN || rb.style() == BHIDDEN) |
| continue; |
| allHidden = false; |
| if (cb.style() > BHIDDEN && cb.width() > borderWidth) |
| borderWidth = cb.width(); |
| if (rb.style() > BHIDDEN && rb.width() > borderWidth) |
| borderWidth = rb.width(); |
| } |
| if (allHidden) |
| return -1; |
| |
| return (borderWidth + (table()->style()->isLeftToRightDirection() ? 1 : 0)) / 2; |
| } |
| |
| void RenderTableSection::recalcOuterBorder() |
| { |
| m_outerBorderBefore = calcOuterBorderBefore(); |
| m_outerBorderAfter = calcOuterBorderAfter(); |
| m_outerBorderStart = calcOuterBorderStart(); |
| m_outerBorderEnd = calcOuterBorderEnd(); |
| } |
| |
| int RenderTableSection::firstLineBoxBaseline() const |
| { |
| if (!m_gridRows) |
| return -1; |
| |
| int firstLineBaseline = m_grid[0].baseline; |
| if (firstLineBaseline) |
| return firstLineBaseline + m_rowPos[0]; |
| |
| firstLineBaseline = -1; |
| Row* firstRow = m_grid[0].row; |
| for (size_t i = 0; i < firstRow->size(); ++i) { |
| CellStruct& cs = firstRow->at(i); |
| RenderTableCell* cell = cs.primaryCell(); |
| if (cell) |
| firstLineBaseline = max(firstLineBaseline, cell->logicalTop() + cell->paddingBefore() + cell->borderBefore() + cell->contentLogicalHeight()); |
| } |
| |
| return firstLineBaseline; |
| } |
| |
| void RenderTableSection::paint(PaintInfo& paintInfo, int tx, int ty) |
| { |
| // put this back in when all layout tests can handle it |
| // ASSERT(!needsLayout()); |
| // avoid crashing on bugs that cause us to paint with dirty layout |
| if (needsLayout()) |
| return; |
| |
| unsigned totalRows = m_gridRows; |
| unsigned totalCols = table()->columns().size(); |
| |
| if (!totalRows || !totalCols) |
| return; |
| |
| tx += x(); |
| ty += y(); |
| |
| PaintPhase phase = paintInfo.phase; |
| bool pushedClip = pushContentsClip(paintInfo, tx, ty); |
| paintObject(paintInfo, tx, ty); |
| if (pushedClip) |
| popContentsClip(paintInfo, phase, tx, ty); |
| } |
| |
| static inline bool compareCellPositions(RenderTableCell* elem1, RenderTableCell* elem2) |
| { |
| return elem1->row() < elem2->row(); |
| } |
| |
| void RenderTableSection::paintCell(RenderTableCell* cell, PaintInfo& paintInfo, int tx, int ty) |
| { |
| IntPoint cellPoint = flipForWritingMode(cell, IntPoint(tx, ty), ParentToChildFlippingAdjustment); |
| PaintPhase paintPhase = paintInfo.phase; |
| RenderTableRow* row = toRenderTableRow(cell->parent()); |
| |
| if (paintPhase == PaintPhaseBlockBackground || paintPhase == PaintPhaseChildBlockBackground) { |
| // We need to handle painting a stack of backgrounds. This stack (from bottom to top) consists of |
| // the column group, column, row group, row, and then the cell. |
| RenderObject* col = table()->colElement(cell->col()); |
| RenderObject* colGroup = 0; |
| if (col && col->parent()->style()->display() == TABLE_COLUMN_GROUP) |
| colGroup = col->parent(); |
| |
| // Column groups and columns first. |
| // FIXME: Columns and column groups do not currently support opacity, and they are being painted "too late" in |
| // the stack, since we have already opened a transparency layer (potentially) for the table row group. |
| // Note that we deliberately ignore whether or not the cell has a layer, since these backgrounds paint "behind" the |
| // cell. |
| cell->paintBackgroundsBehindCell(paintInfo, cellPoint.x(), cellPoint.y(), colGroup); |
| cell->paintBackgroundsBehindCell(paintInfo, cellPoint.x(), cellPoint.y(), col); |
| |
| // Paint the row group next. |
| cell->paintBackgroundsBehindCell(paintInfo, cellPoint.x(), cellPoint.y(), this); |
| |
| // Paint the row next, but only if it doesn't have a layer. If a row has a layer, it will be responsible for |
| // painting the row background for the cell. |
| if (!row->hasSelfPaintingLayer()) |
| cell->paintBackgroundsBehindCell(paintInfo, cellPoint.x(), cellPoint.y(), row); |
| } |
| if ((!cell->hasSelfPaintingLayer() && !row->hasSelfPaintingLayer()) || paintInfo.phase == PaintPhaseCollapsedTableBorders) |
| cell->paint(paintInfo, cellPoint.x(), cellPoint.y()); |
| } |
| |
| void RenderTableSection::paintObject(PaintInfo& paintInfo, int tx, int ty) |
| { |
| // Check which rows and cols are visible and only paint these. |
| // FIXME: Could use a binary search here. |
| unsigned totalRows = m_gridRows; |
| unsigned totalCols = table()->columns().size(); |
| |
| PaintPhase paintPhase = paintInfo.phase; |
| |
| #ifdef ANDROID_LAYOUT |
| unsigned int startrow = 0; |
| unsigned int endrow = totalRows; |
| unsigned int startcol = 0; |
| unsigned int endcol = totalCols; |
| if (table()->isSingleColumn()) { |
| // FIXME: should we be smarter too? |
| } else { |
| // FIXME: possible to rollback to the common tree. |
| // rowPos size is set in calcRowHeight(), which is called from table layout(). |
| // BUT RenderTableSection is init through parsing. On a slow device, paint() as |
| // the result of layout() can come after the next parse() as everything is triggered |
| // by timer. So we have to check rowPos before using it. |
| if (m_rowPos.size() != (totalRows + 1)) |
| return; |
| #endif |
| |
| int os = 2 * maximalOutlineSize(paintPhase); |
| unsigned startrow = 0; |
| unsigned endrow = totalRows; |
| |
| IntRect localRepaintRect = paintInfo.rect; |
| localRepaintRect.move(-tx, -ty); |
| if (style()->isFlippedBlocksWritingMode()) { |
| if (style()->isHorizontalWritingMode()) |
| localRepaintRect.setY(height() - localRepaintRect.maxY()); |
| else |
| localRepaintRect.setX(width() - localRepaintRect.maxX()); |
| } |
| |
| // If some cell overflows, just paint all of them. |
| if (!m_hasOverflowingCell) { |
| int before = (style()->isHorizontalWritingMode() ? localRepaintRect.y() : localRepaintRect.x()) - os; |
| // binary search to find a row |
| startrow = std::lower_bound(m_rowPos.begin(), m_rowPos.end(), before) - m_rowPos.begin(); |
| |
| // The binary search above gives us the first row with |
| // a y position >= the top of the paint rect. Thus, the previous |
| // may need to be repainted as well. |
| if (startrow == m_rowPos.size() || (startrow > 0 && (m_rowPos[startrow] > before))) |
| --startrow; |
| |
| int after = (style()->isHorizontalWritingMode() ? localRepaintRect.maxY() : localRepaintRect.maxX()) + os; |
| endrow = std::lower_bound(m_rowPos.begin(), m_rowPos.end(), after) - m_rowPos.begin(); |
| if (endrow == m_rowPos.size()) |
| --endrow; |
| |
| if (!endrow && m_rowPos[0] - table()->outerBorderBefore() <= after) |
| ++endrow; |
| } |
| |
| unsigned startcol = 0; |
| unsigned endcol = totalCols; |
| // FIXME: Implement RTL. |
| if (!m_hasOverflowingCell && style()->isLeftToRightDirection()) { |
| int start = (style()->isHorizontalWritingMode() ? localRepaintRect.x() : localRepaintRect.y()) - os; |
| Vector<int>& columnPos = table()->columnPositions(); |
| startcol = std::lower_bound(columnPos.begin(), columnPos.end(), start) - columnPos.begin(); |
| if ((startcol == columnPos.size()) || (startcol > 0 && (columnPos[startcol] > start))) |
| --startcol; |
| |
| int end = (style()->isHorizontalWritingMode() ? localRepaintRect.maxX() : localRepaintRect.maxY()) + os; |
| endcol = std::lower_bound(columnPos.begin(), columnPos.end(), end) - columnPos.begin(); |
| if (endcol == columnPos.size()) |
| --endcol; |
| |
| if (!endcol && columnPos[0] - table()->outerBorderStart() <= end) |
| ++endcol; |
| } |
| |
| #ifdef ANDROID_LAYOUT |
| } |
| #endif |
| |
| if (startcol < endcol) { |
| if (!m_hasMultipleCellLevels) { |
| // Draw the dirty cells in the order that they appear. |
| for (unsigned r = startrow; r < endrow; r++) { |
| for (unsigned c = startcol; c < endcol; c++) { |
| CellStruct& current = cellAt(r, c); |
| RenderTableCell* cell = current.primaryCell(); |
| if (!cell || (r > startrow && primaryCellAt(r - 1, c) == cell) || (c > startcol && primaryCellAt(r, c - 1) == cell)) |
| continue; |
| paintCell(cell, paintInfo, tx, ty); |
| } |
| } |
| } else { |
| // Draw the cells in the correct paint order. |
| Vector<RenderTableCell*> cells; |
| HashSet<RenderTableCell*> spanningCells; |
| for (unsigned r = startrow; r < endrow; r++) { |
| for (unsigned c = startcol; c < endcol; c++) { |
| CellStruct& current = cellAt(r, c); |
| if (!current.hasCells()) |
| continue; |
| for (unsigned i = 0; i < current.cells.size(); ++i) { |
| if (current.cells[i]->rowSpan() > 1 || current.cells[i]->colSpan() > 1) { |
| if (spanningCells.contains(current.cells[i])) |
| continue; |
| spanningCells.add(current.cells[i]); |
| } |
| cells.append(current.cells[i]); |
| } |
| } |
| } |
| // Sort the dirty cells by paint order. |
| std::stable_sort(cells.begin(), cells.end(), compareCellPositions); |
| int size = cells.size(); |
| // Paint the cells. |
| for (int i = 0; i < size; ++i) |
| paintCell(cells[i], paintInfo, tx, ty); |
| } |
| } |
| } |
| |
| void RenderTableSection::imageChanged(WrappedImagePtr, const IntRect*) |
| { |
| // FIXME: Examine cells and repaint only the rect the image paints in. |
| repaint(); |
| } |
| |
| void RenderTableSection::recalcCells() |
| { |
| m_cCol = 0; |
| m_cRow = -1; |
| clearGrid(); |
| m_gridRows = 0; |
| |
| for (RenderObject* row = firstChild(); row; row = row->nextSibling()) { |
| if (row->isTableRow()) { |
| m_cRow++; |
| m_cCol = 0; |
| if (!ensureRows(m_cRow + 1)) |
| break; |
| |
| RenderTableRow* tableRow = toRenderTableRow(row); |
| m_grid[m_cRow].rowRenderer = tableRow; |
| setRowLogicalHeightToRowStyleLogicalHeightIfNotRelative(&m_grid[m_cRow]); |
| |
| for (RenderObject* cell = row->firstChild(); cell; cell = cell->nextSibling()) { |
| if (cell->isTableCell()) |
| addCell(toRenderTableCell(cell), tableRow); |
| } |
| } |
| } |
| m_needsCellRecalc = false; |
| setNeedsLayout(true); |
| } |
| |
| void RenderTableSection::setNeedsCellRecalc() |
| { |
| m_needsCellRecalc = true; |
| if (RenderTable* t = table()) |
| t->setNeedsSectionRecalc(); |
| } |
| |
| void RenderTableSection::clearGrid() |
| { |
| int rows = m_gridRows; |
| while (rows--) |
| delete m_grid[rows].row; |
| } |
| |
| int RenderTableSection::numColumns() const |
| { |
| int result = 0; |
| |
| for (int r = 0; r < m_gridRows; ++r) { |
| for (int c = result; c < table()->numEffCols(); ++c) { |
| const CellStruct& cell = cellAt(r, c); |
| if (cell.hasCells() || cell.inColSpan) |
| result = c; |
| } |
| } |
| |
| return result + 1; |
| } |
| |
| void RenderTableSection::appendColumn(int pos) |
| { |
| for (int row = 0; row < m_gridRows; ++row) |
| m_grid[row].row->resize(pos + 1); |
| } |
| |
| void RenderTableSection::splitColumn(int pos, int first) |
| { |
| if (m_cCol > pos) |
| m_cCol++; |
| for (int row = 0; row < m_gridRows; ++row) { |
| Row& r = *m_grid[row].row; |
| r.insert(pos + 1, CellStruct()); |
| if (r[pos].hasCells()) { |
| r[pos + 1].cells.append(r[pos].cells); |
| RenderTableCell* cell = r[pos].primaryCell(); |
| ASSERT(cell); |
| int colleft = cell->colSpan() - r[pos].inColSpan; |
| if (first > colleft) |
| r[pos + 1].inColSpan = 0; |
| else |
| r[pos + 1].inColSpan = first + r[pos].inColSpan; |
| } else { |
| r[pos + 1].inColSpan = 0; |
| } |
| } |
| } |
| |
| // Hit Testing |
| bool RenderTableSection::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int xPos, int yPos, int tx, int ty, HitTestAction action) |
| { |
| // If we have no children then we have nothing to do. |
| if (!firstChild()) |
| return false; |
| |
| // Table sections cannot ever be hit tested. Effectively they do not exist. |
| // Just forward to our children always. |
| tx += x(); |
| ty += y(); |
| |
| if (hasOverflowClip() && !overflowClipRect(tx, ty).intersects(result.rectForPoint(xPos, yPos))) |
| return false; |
| |
| if (m_hasOverflowingCell) { |
| for (RenderObject* child = lastChild(); child; child = child->previousSibling()) { |
| // FIXME: We have to skip over inline flows, since they can show up inside table rows |
| // at the moment (a demoted inline <form> for example). If we ever implement a |
| // table-specific hit-test method (which we should do for performance reasons anyway), |
| // then we can remove this check. |
| if (child->isBox() && !toRenderBox(child)->hasSelfPaintingLayer()) { |
| IntPoint childPoint = flipForWritingMode(toRenderBox(child), IntPoint(tx, ty), ParentToChildFlippingAdjustment); |
| if (child->nodeAtPoint(request, result, xPos, yPos, childPoint.x(), childPoint.y(), action)) { |
| updateHitTestResult(result, IntPoint(xPos - childPoint.x(), yPos - childPoint.y())); |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| IntPoint location = IntPoint(xPos - tx, yPos - ty); |
| if (style()->isFlippedBlocksWritingMode()) { |
| if (style()->isHorizontalWritingMode()) |
| location.setY(height() - location.y()); |
| else |
| location.setX(width() - location.x()); |
| } |
| |
| int offsetInColumnDirection = style()->isHorizontalWritingMode() ? location.y() : location.x(); |
| // Find the first row that starts after offsetInColumnDirection. |
| unsigned nextRow = std::upper_bound(m_rowPos.begin(), m_rowPos.end(), offsetInColumnDirection) - m_rowPos.begin(); |
| if (nextRow == m_rowPos.size()) |
| return false; |
| // Now set hitRow to the index of the hit row, or 0. |
| unsigned hitRow = nextRow > 0 ? nextRow - 1 : 0; |
| |
| Vector<int>& columnPos = table()->columnPositions(); |
| int offsetInRowDirection = style()->isHorizontalWritingMode() ? location.x() : location.y(); |
| if (!style()->isLeftToRightDirection()) |
| offsetInRowDirection = columnPos[columnPos.size() - 1] - offsetInRowDirection; |
| |
| unsigned nextColumn = std::lower_bound(columnPos.begin(), columnPos.end(), offsetInRowDirection) - columnPos.begin(); |
| if (nextColumn == columnPos.size()) |
| return false; |
| unsigned hitColumn = nextColumn > 0 ? nextColumn - 1 : 0; |
| |
| CellStruct& current = cellAt(hitRow, hitColumn); |
| |
| // If the cell is empty, there's nothing to do |
| if (!current.hasCells()) |
| return false; |
| |
| for (int i = current.cells.size() - 1; i >= 0; --i) { |
| RenderTableCell* cell = current.cells[i]; |
| IntPoint cellPoint = flipForWritingMode(cell, IntPoint(tx, ty), ParentToChildFlippingAdjustment); |
| if (static_cast<RenderObject*>(cell)->nodeAtPoint(request, result, xPos, yPos, cellPoint.x(), cellPoint.y(), action)) { |
| updateHitTestResult(result, IntPoint(xPos - cellPoint.x(), yPos - cellPoint.y())); |
| return true; |
| } |
| } |
| return false; |
| |
| } |
| |
| } // namespace WebCore |
