| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(DATAGRID) |
| |
| #include "RenderDataGrid.h" |
| |
| #include "CSSStyleSelector.h" |
| #include "FocusController.h" |
| #include "Frame.h" |
| #include "GraphicsContext.h" |
| #include "Page.h" |
| #include "RenderView.h" |
| #include "Scrollbar.h" |
| |
| using std::min; |
| |
| namespace WebCore { |
| |
| static const int cDefaultWidth = 300; |
| |
| RenderDataGrid::RenderDataGrid(Element* elt) |
| : RenderBlock(elt) |
| { |
| if (Page* page = frame()->page()) { |
| m_page = page; |
| m_page->addScrollableArea(this); |
| } |
| } |
| |
| RenderDataGrid::~RenderDataGrid() |
| { |
| if (m_page) |
| m_page->removeScrollableArea(this); |
| } |
| |
| void RenderDataGrid::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
| { |
| RenderBlock::styleDidChange(diff, oldStyle); |
| recalcStyleForColumns(); |
| } |
| |
| void RenderDataGrid::recalcStyleForColumns() |
| { |
| DataGridColumnList* columns = gridElement()->columns(); |
| unsigned length = columns->length(); |
| for (unsigned i = 0; i < length; ++i) |
| recalcStyleForColumn(columns->item(i)); |
| } |
| |
| void RenderDataGrid::recalcStyleForColumn(DataGridColumn* column) |
| { |
| if (!column->columnStyle()) |
| column->setColumnStyle(document()->styleSelector()->pseudoStyleForDataGridColumn(column, style())); |
| if (!column->headerStyle()) |
| column->setHeaderStyle(document()->styleSelector()->pseudoStyleForDataGridColumnHeader(column, style())); |
| } |
| |
| RenderStyle* RenderDataGrid::columnStyle(DataGridColumn* column) |
| { |
| if (!column->columnStyle()) |
| recalcStyleForColumn(column); |
| return column->columnStyle(); |
| } |
| |
| RenderStyle* RenderDataGrid::headerStyle(DataGridColumn* column) |
| { |
| if (!column->headerStyle()) |
| recalcStyleForColumn(column); |
| return column->headerStyle(); |
| } |
| |
| void RenderDataGrid::computePreferredLogicalWidths() |
| { |
| m_minPreferredLogicalWidth = 0; |
| m_maxPreferredLogicalWidth = 0; |
| |
| if (style()->width().isFixed() && style()->width().value() > 0) |
| m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = computeContentBoxLogicalWidth(style()->width().value()); |
| else |
| m_maxPreferredLogicalWidth = computeContentBoxLogicalWidth(cDefaultWidth); |
| |
| if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) { |
| m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, computeContentBoxLogicalWidth(style()->minWidth().value())); |
| m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, computeContentBoxLogicalWidth(style()->minWidth().value())); |
| } else if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) |
| m_minPreferredLogicalWidth = 0; |
| else |
| m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth; |
| |
| if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength) { |
| m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, computeContentBoxLogicalWidth(style()->maxWidth().value())); |
| m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, computeContentBoxLogicalWidth(style()->maxWidth().value())); |
| } |
| |
| int toAdd = borderAndPaddingWidth(); |
| m_minPreferredLogicalWidth += toAdd; |
| m_maxPreferredLogicalWidth += toAdd; |
| |
| setPreferredLogicalWidthsDirty(false); |
| } |
| |
| void RenderDataGrid::layout() |
| { |
| RenderBlock::layout(); |
| layoutColumns(); |
| } |
| |
| void RenderDataGrid::layoutColumns() |
| { |
| // FIXME: Implement. |
| } |
| |
| void RenderDataGrid::paintObject(PaintInfo& paintInfo, int tx, int ty) |
| { |
| if (style()->visibility() != VISIBLE) |
| return; |
| |
| // Paint our background and border. |
| RenderBlock::paintObject(paintInfo, tx, ty); |
| |
| if (paintInfo.phase != PaintPhaseForeground) |
| return; |
| |
| // Paint our column headers first. |
| paintColumnHeaders(paintInfo, tx, ty); |
| } |
| |
| void RenderDataGrid::paintColumnHeaders(PaintInfo& paintInfo, int tx, int ty) |
| { |
| DataGridColumnList* columns = gridElement()->columns(); |
| unsigned length = columns->length(); |
| for (unsigned i = 0; i < length; ++i) { |
| DataGridColumn* column = columns->item(i); |
| RenderStyle* columnStyle = headerStyle(column); |
| |
| // Don't render invisible columns. |
| if (!columnStyle || columnStyle->display() == NONE || columnStyle->visibility() != VISIBLE) |
| continue; |
| |
| // Paint the column header if it intersects the dirty rect. |
| IntRect columnRect(column->rect()); |
| columnRect.move(tx, ty); |
| if (columnRect.intersects(paintInfo.rect)) |
| paintColumnHeader(column, paintInfo, tx, ty); |
| } |
| } |
| |
| void RenderDataGrid::paintColumnHeader(DataGridColumn*, PaintInfo&, int, int) |
| { |
| // FIXME: Implement. |
| } |
| |
| // Scrolling implementation functions |
| int RenderDataGrid::scrollSize(ScrollbarOrientation orientation) const |
| { |
| return ((orientation == VerticallScrollbar) && m_vBar) ? (m_vBar->totalSize() - m_vBar->visibleSize()) : 0; |
| } |
| |
| void RenderDataGrid::setScrollOffsetFromAnimation(const IntPoint& offset) |
| { |
| if (m_vBar) |
| m_vBar->setValue(offset.y(), Scrollbar::FromScrollAnimator); |
| } |
| |
| void RenderDataGrid::valueChanged(Scrollbar*) |
| { |
| // FIXME: Implement. |
| } |
| |
| void RenderDataGrid::invalidateScrollbarRect(Scrollbar*, const IntRect&) |
| { |
| // FIXME: Implement. |
| } |
| |
| bool RenderDataGrid::isActive() const |
| { |
| Page* page = frame()->page(); |
| return page && page->focusController()->isActive(); |
| } |
| |
| |
| IntRect RenderDataGrid::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect& scrollbarRect) const |
| { |
| RenderView* view = this->view(); |
| if (!view) |
| return scrollbarRect; |
| |
| IntRect rect = scrollbarRect; |
| |
| int scrollbarLeft = width() - borderRight() - scrollbar->width(); |
| int scrollbarTop = borderTop(); |
| rect.move(scrollbarLeft, scrollbarTop); |
| |
| return view->frameView()->convertFromRenderer(this, rect); |
| } |
| |
| IntRect RenderDataGrid::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect& parentRect) const |
| { |
| RenderView* view = this->view(); |
| if (!view) |
| return parentRect; |
| |
| IntRect rect = view->frameView()->convertToRenderer(this, parentRect); |
| |
| int scrollbarLeft = width() - borderRight() - scrollbar->width(); |
| int scrollbarTop = borderTop(); |
| rect.move(-scrollbarLeft, -scrollbarTop); |
| return rect; |
| } |
| |
| IntPoint RenderDataGrid::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint& scrollbarPoint) const |
| { |
| RenderView* view = this->view(); |
| if (!view) |
| return scrollbarPoint; |
| |
| IntPoint point = scrollbarPoint; |
| |
| int scrollbarLeft = width() - borderRight() - scrollbar->width(); |
| int scrollbarTop = borderTop(); |
| point.move(scrollbarLeft, scrollbarTop); |
| |
| return view->frameView()->convertFromRenderer(this, point); |
| } |
| |
| IntPoint RenderDataGrid::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint& parentPoint) const |
| { |
| RenderView* view = this->view(); |
| if (!view) |
| return parentPoint; |
| |
| IntPoint point = view->frameView()->convertToRenderer(this, parentPoint); |
| |
| int scrollbarLeft = width() - borderRight() - scrollbar->width(); |
| int scrollbarTop = borderTop(); |
| point.move(-scrollbarLeft, -scrollbarTop); |
| return point; |
| } |
| |
| bool RenderDataGrid::shouldSuspendScrollAnimations() const |
| { |
| RenderView* view = this->view(); |
| if (!view) |
| return true; |
| return view->frameView()->shouldSuspendScrollAnimations(); |
| } |
| |
| } |
| |
| #endif |