1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef RenderDataGrid_h 27 #define RenderDataGrid_h 28 29 #if ENABLE(DATAGRID) 30 31 #include "HTMLDataGridElement.h" 32 #include "RenderBlock.h" 33 #include "ScrollableArea.h" 34 #include "StyleImage.h" 35 #include <wtf/RefPtr.h> 36 #include <wtf/Vector.h> 37 38 namespace WebCore { 39 40 class RenderDataGrid : public RenderBlock, private ScrollableArea { 41 public: 42 RenderDataGrid(Element*); 43 ~RenderDataGrid(); 44 renderName()45 virtual const char* renderName() const { return "RenderDataGrid"; } canHaveChildren()46 virtual bool canHaveChildren() const { return false; } 47 virtual void computePreferredLogicalWidths(); 48 virtual void layout(); 49 virtual void paintObject(PaintInfo&, int tx, int ty); 50 51 void columnsChanged(); 52 53 private: 54 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 55 requiresForcedStyleRecalcPropagation()56 virtual bool requiresForcedStyleRecalcPropagation() const { return true; } 57 58 RenderStyle* columnStyle(DataGridColumn*); 59 RenderStyle* headerStyle(DataGridColumn*); 60 void recalcStyleForColumns(); 61 void recalcStyleForColumn(DataGridColumn*); 62 63 void layoutColumns(); 64 void paintColumnHeaders(PaintInfo&, int tx, int ty); 65 void paintColumnHeader(DataGridColumn*, PaintInfo&, int tx, int ty); 66 gridElement()67 HTMLDataGridElement* gridElement() const { return static_cast<HTMLDataGridElement*>(node()); } 68 69 // ScrollableArea interface. 70 virtual int scrollSize(ScrollbarOrientation orientation) const; 71 virtual void setScrollOffsetFromAnimation(const IntPoint&); 72 virtual void valueChanged(Scrollbar*); 73 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); 74 virtual bool isActive() const; scrollbarCornerPresent()75 virtual bool scrollbarCornerPresent() const { return false; } // We don't support resize on data grids yet. If we did this would have to change. 76 virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const; 77 virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const; 78 virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const; 79 virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const; 80 virtual bool shouldSuspendScrollAnimations() const; 81 disconnectFromPage()82 virtual void disconnectFromPage() { m_page = 0; } 83 84 RefPtr<Scrollbar> m_vBar; 85 86 Page* m_page; 87 }; 88 89 } 90 91 #endif 92 93 #endif // RenderDataGrid_h 94