RenderFrameSet.h   [plain text]

/*
 * This file is part of the KDE project.
 *
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 2000 Simon Hausmann <hausmann@kde.org>
 * Copyright (C) 2006 Apple Computer, Inc.
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#ifndef RenderFrameSet_H
#define RenderFrameSet_H

#include "RenderContainer.h"
#include "HTMLFrameSetElement.h"


namespace WebCore {

class HTMLFrameSetElement;
class MouseEvent;

class RenderFrameSet : public RenderContainer
{
    friend class HTMLFrameSetElement;
public:
    RenderFrameSet(HTMLFrameSetElement*);
    virtual ~RenderFrameSet();

    virtual const char* renderName() const { return "RenderFrameSet"; }
    virtual bool isFrameSet() const { return true; }

    virtual void layout();
    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
    virtual void calcMinMaxWidth();
    void positionFrames();
    void positionFramesWithFlattening();
    
    bool resizing() const { return m_resizing; }

    bool userResize(MouseEvent*);
    bool canResize(int x, int y);
    void setResizing(bool);
    
    bool flattenFrameset() const;

    virtual bool nodeAtPoint(NodeInfo&, int x, int y, int tx, int ty, HitTestAction);

    HTMLFrameSetElement* element() const
        { return static_cast<HTMLFrameSetElement*>(RenderContainer::element()); }

#ifndef NDEBUG
    virtual void dump(TextStream* stream, DeprecatedString ind = "") const;
#endif

private:
    inline HTMLFrameSetElement* frameSet() const;
        
    int m_oldpos;
    int m_gridLen[2];
    int* m_gridDelta[2];
    int* m_gridLayout[2];

    bool* m_hSplitVar; // is this split variable?
    bool* m_vSplitVar;

    int m_hSplit; // the split currently resized
    int m_vSplit;
    int m_hSplitPos;
    int m_vSplitPos;

    bool m_resizing;
    bool m_clientResizing;
};

}

#endif