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      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 "ScrollbarClient.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 ScrollbarClient {
     41 public:
     42     RenderDataGrid(Element*);
     43     ~RenderDataGrid();
     44 
     45     virtual const char* renderName() const { return "RenderDataGrid"; }
     46     virtual bool canHaveChildren() const { return false; }
     47     virtual void calcPrefWidths();
     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 
     56     RenderStyle* columnStyle(DataGridColumn*);
     57     RenderStyle* headerStyle(DataGridColumn*);
     58     void recalcStyleForColumns();
     59     void recalcStyleForColumn(DataGridColumn*);
     60 
     61     void layoutColumns();
     62     void paintColumnHeaders(PaintInfo&, int tx, int ty);
     63     void paintColumnHeader(DataGridColumn*, PaintInfo&, int tx, int ty);
     64 
     65     HTMLDataGridElement* gridElement() const { return static_cast<HTMLDataGridElement*>(node()); }
     66 
     67     // ScrollbarClient interface.
     68     virtual void valueChanged(Scrollbar*);
     69     virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&);
     70     virtual bool isActive() const;
     71     virtual bool scrollbarCornerPresent() const { return false; } // We don't support resize on data grids yet.  If we did this would have to change.
     72     virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const;
     73     virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const;
     74     virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const;
     75     virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const;
     76 
     77     RefPtr<Scrollbar> m_vBar;
     78 };
     79 
     80 }
     81 
     82 #endif
     83 
     84 #endif // RenderDataGrid_h
     85