gecko-dev/layout/generic/nsPageFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
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* http://www.mozilla.org/NPL/
*
* 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 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
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#ifndef nsPageFrame_h___
#define nsPageFrame_h___
#include "nsContainerFrame.h"
#include "nsIPrintSettings.h"
#include "nsLeafFrame.h"
class nsSharedPageData;
// Page frame class used by the simple page sequence frame
class nsPageFrame : public nsContainerFrame {
public:
friend nsresult NS_NewPageFrame(nsIPresShell* aPresShell, nsIFrame** aResult);
// nsIFrame
NS_IMETHOD SetInitialChildList(nsIPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aMaxSize,
nsReflowStatus& aStatus);
NS_IMETHOD Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags = 0);
NS_IMETHOD IsPercentageBase(PRBool& aBase) const;
/**
* Get the "type" of the frame
*
* @see nsLayoutAtoms::pageFrame
*/
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
//////////////////
// For Printing
//////////////////
// Tell the page which page number it is out of how many
virtual void SetPageNumInfo(PRInt32 aPageNumber, PRInt32 aTotalPages);
virtual void SuppressHeadersAndFooters(PRBool aDoSup) { mSupressHF = aDoSup; }
virtual void SetClipRect(nsRect* aClipRect);
virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }
// XXX Part of Temporary fix for Bug 127263
static void SetCreateWidget(PRBool aDoCreateWidget) { mDoCreateWidget = aDoCreateWidget; }
static PRBool GetCreateWidget() { return mDoCreateWidget; }
protected:
nsPageFrame();
virtual ~nsPageFrame();
typedef enum {
eHeader,
eFooter
} nsHeaderFooterEnum;
nscoord GetXPosition(nsIRenderingContext& aRenderingContext,
const nsRect& aRect,
PRInt32 aJust,
const nsString& aStr);
void DrawHeaderFooter(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
nsIFrame * aFrame,
nsHeaderFooterEnum aHeaderFooter,
PRInt32 aJust,
const nsString& sStr,
const nsRect& aRect,
nscoord aHeight,
nscoord aAscent,
nscoord aWidth);
void DrawHeaderFooter(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
nsIFrame * aFrame,
nsHeaderFooterEnum aHeaderFooter,
PRInt32 aJust,
const nsString& aStr1,
const nsString& aStr2,
const nsString& aStr3,
const nsRect& aRect,
nscoord aAscent,
nscoord aHeight);
void ProcessSpecialCodes(const nsString& aStr, nsString& aNewStr);
nsCOMPtr<nsIPrintSettings> mPrintOptions;
PRInt32 mPageNum;
PRInt32 mTotNumPages;
nsMargin mMargin;
PRPackedBool mSupressHF;
nsRect mClipRect;
nsSharedPageData* mPD;
// XXX Part of Temporary fix for Bug 127263
static PRBool mDoCreateWidget;
private:
void DrawBackground(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect);
};
class nsPageBreakFrame : public nsLeafFrame {
nsPageBreakFrame();
~nsPageBreakFrame();
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
protected:
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
PRBool mHaveReflowed;
friend nsresult NS_NewPageBreakFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
};
#endif /* nsPageFrame_h___ */