gecko/layout/generic/nsPageContentFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsPageContentFrame_h___
#define nsPageContentFrame_h___
#include "nsViewportFrame.h"
class nsPageFrame;
class nsSharedPageData;
// Page frame class used by the simple page sequence frame
class nsPageContentFrame : public ViewportFrame {
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewPageContentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
friend class nsPageFrame;
// nsIFrame
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aMaxSize,
nsReflowStatus& aStatus);
virtual bool IsFrameOfType(PRUint32 aFlags) const
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{
return ViewportFrame::IsFrameOfType(aFlags &
~(nsIFrame::eCanContainOverflowContainers));
}
virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }
/**
* Computes page size based on shared page data; SetSharedPageData must be
* given valid data first.
*/
virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
nsSize aCBSize, nscoord aAvailableWidth,
nsSize aMargin, nsSize aBorder, nsSize aPadding,
PRUint32 aFlags) MOZ_OVERRIDE;
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::pageContentFrame
*/
virtual nsIAtom* GetType() const;
#ifdef NS_DEBUG
// Debugging
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
protected:
nsPageContentFrame(nsStyleContext* aContext) : ViewportFrame(aContext) {}
nsSharedPageData* mPD;
};
#endif /* nsPageContentFrame_h___ */