0d9875f0a1
area, and not the padding area as per the CSS 2 Errata, CSS2.1 and CSS3. Also, implementing the CSS3 'background-clip' and 'background-origin' properties (currently with -moz- prefixes) to control this behavior. Bug 162252, r=dbaron sr=roc+moz
863 lines
30 KiB
C++
863 lines
30 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPageFrame.h"
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#include "nsHTMLParts.h"
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#include "nsIContent.h"
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#include "nsIPresContext.h"
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#include "nsIStyleContext.h"
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#include "nsIRenderingContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsLayoutAtoms.h"
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#include "nsIStyleSet.h"
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#include "nsIPresShell.h"
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#include "nsIDeviceContext.h"
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#include "nsReadableUtils.h"
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#include "nsIPrintPreviewContext.h"
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#include "nsIPrintContext.h"
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#include "nsPageContentFrame.h"
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#include "nsTextFrame.h" // for function BinarySearchForPosition
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#include "nsIView.h" // view flags for clipping
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#include "nsCSSRendering.h"
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#include "nsHTMLContainerFrame.h" // view creation
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#include "nsSimplePageSequence.h" // for nsSharedPageData
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#include "nsRegion.h"
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#include "nsIViewManager.h"
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// for page number localization formatting
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#include "nsTextFormatter.h"
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#ifdef IBMBIDI
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#include "nsBidiUtils.h"
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#include "nsBidiPresUtils.h"
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#endif
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// Temporary
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#include "nsIFontMetrics.h"
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// Print Options
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#include "nsIPrintSettings.h"
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#include "nsGfxCIID.h"
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#include "nsIServiceManager.h"
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// Widget Creation
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#include "nsIWidget.h"
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#include "nsWidgetsCID.h"
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static NS_DEFINE_CID(kCChildCID, NS_CHILD_CID);
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#if defined(DEBUG_rods) || defined(DEBUG_dcone)
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//#define DEBUG_PRINTING
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#endif
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#include "prlog.h"
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#ifdef PR_LOGGING
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extern PRLogModuleInfo * kLayoutPrintingLogMod;
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#define PR_PL(_p1) PR_LOG(kLayoutPrintingLogMod, PR_LOG_DEBUG, _p1)
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#else
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#define PR_PL(_p1)
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#endif
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// XXX Part of Temporary fix for Bug 127263
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PRBool nsPageFrame::mDoCreateWidget = PR_TRUE;
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nsresult
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NS_NewPageFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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nsPageFrame* it = new (aPresShell) nsPageFrame;
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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nsPageFrame::nsPageFrame() :
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mSupressHF(PR_FALSE),
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mClipRect(-1, -1, -1, -1)
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{
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}
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nsPageFrame::~nsPageFrame()
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{
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}
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NS_IMETHODIMP
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nsPageFrame::SetInitialChildList(nsIPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame* aChildList)
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{
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nsIView * view;
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aChildList->GetView(aPresContext, &view);
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if (view != nsnull && mDoCreateWidget) {
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nscoord dx, dy;
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nsCOMPtr<nsIWidget> widget;
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view->GetOffsetFromWidget(&dx, &dy, *getter_AddRefs(widget));
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nsCOMPtr<nsIPrintPreviewContext> ppContext = do_QueryInterface(aPresContext);
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if (ppContext && widget) {
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view->CreateWidget(kCChildCID);
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}
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}
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return nsContainerFrame::SetInitialChildList(aPresContext, aListName, aChildList);
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}
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NS_IMETHODIMP nsPageFrame::Reflow(nsIPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsPageFrame", aReflowState.reason);
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DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
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aStatus = NS_FRAME_COMPLETE; // initialize out parameter
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if (eReflowReason_Incremental != aReflowState.reason) {
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// Do we have any children?
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// XXX We should use the overflow list instead...
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nsIFrame* firstFrame = mFrames.FirstChild();
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nsPageContentFrame* contentPage = NS_STATIC_CAST(nsPageContentFrame*, firstFrame);
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NS_ASSERTION(contentPage, "There should always be a content page");
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#ifdef NS_DEBUG
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nsCOMPtr<nsIAtom> type;
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firstFrame->GetFrameType(getter_AddRefs(type));
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NS_ASSERTION(type.get() == nsLayoutAtoms::pageContentFrame, "This frame isn't a pageContentFrame");
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#endif
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if (contentPage && contentPage->mFrames.IsEmpty() && nsnull != mPrevInFlow) {
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nsPageFrame* prevPage = NS_STATIC_CAST(nsPageFrame*, mPrevInFlow);
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nsPageContentFrame* prevContentPage = NS_STATIC_CAST(nsPageContentFrame*, prevPage->mFrames.FirstChild());
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nsIFrame* prevLastChild = prevContentPage->mFrames.LastChild();
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// Create a continuing child of the previous page's last child
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nsIPresShell* presShell;
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nsIStyleSet* styleSet;
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nsIFrame* newFrame;
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aPresContext->GetShell(&presShell);
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presShell->GetStyleSet(&styleSet);
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NS_RELEASE(presShell);
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styleSet->CreateContinuingFrame(aPresContext, prevLastChild, contentPage, &newFrame);
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NS_RELEASE(styleSet);
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contentPage->mFrames.SetFrames(newFrame);
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}
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// Resize our frame allowing it only to be as big as we are
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// XXX Pay attention to the page's border and padding...
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if (mFrames.NotEmpty()) {
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nsIFrame* frame = mFrames.FirstChild();
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// When availableHeight is NS_UNCONSTRAINEDSIZE it means we are reflowing a single page
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// to print selection. So this means we want to use NS_UNCONSTRAINEDSIZE without altering it
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nscoord avHeight;
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if (aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
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avHeight = NS_UNCONSTRAINEDSIZE;
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} else {
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avHeight = mPD->mReflowRect.height - mPD->mReflowMargin.top - mPD->mReflowMargin.bottom;
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}
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nsSize maxSize(mPD->mReflowRect.width - mPD->mReflowMargin.right - mPD->mReflowMargin.left,
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avHeight);
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// Get the number of Twips per pixel from the PresContext
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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nscoord onePixelInTwips = NSToCoordRound(p2t);
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NS_ASSERTION(maxSize.width >= onePixelInTwips, "maxSize.width must be >= 1 pixel");
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NS_ASSERTION(maxSize.height >= onePixelInTwips, "maxSize.height must be >= 1 pixel");
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// insurance against infinite reflow, when reflowing less than a pixel
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if (maxSize.width < onePixelInTwips || maxSize.height < onePixelInTwips) {
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aDesiredSize.width = 0;
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aDesiredSize.height = 0;
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return NS_OK;
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}
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nsHTMLReflowState kidReflowState(aPresContext, aReflowState, frame, maxSize);
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kidReflowState.mFlags.mIsTopOfPage = PR_TRUE;
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// calc location of frame
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nscoord xc = mPD->mReflowMargin.left + mPD->mDeadSpaceMargin.left + mPD->mExtraMargin.left;
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nscoord yc = mPD->mReflowMargin.top + mPD->mDeadSpaceMargin.top + mPD->mExtraMargin.top;
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// Get the child's desired size
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ReflowChild(frame, aPresContext, aDesiredSize, kidReflowState, xc, yc, 0, aStatus);
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// Place and size the child
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FinishReflowChild(frame, aPresContext, &kidReflowState, aDesiredSize, xc, yc, 0);
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// Make sure the child is at least as tall as our max size (the containing window)
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if (aDesiredSize.height < aReflowState.availableHeight &&
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aReflowState.availableHeight != NS_UNCONSTRAINEDSIZE) {
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aDesiredSize.height = aReflowState.availableHeight;
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}
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nsIView * view;
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frame->GetView(aPresContext, &view);
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if (view) {
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nsCOMPtr<nsIViewManager> vm;
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view->GetViewManager(*getter_AddRefs(vm));
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nsRegion region;
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region.Copy(nsRect(0, 0, aDesiredSize.width, aDesiredSize.height));
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vm->SetViewChildClipRegion(view, ®ion);
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}
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#ifdef NS_DEBUG
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// Is the frame complete?
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if (NS_FRAME_IS_COMPLETE(aStatus)) {
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nsIFrame* childNextInFlow;
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frame->GetNextInFlow(&childNextInFlow);
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NS_ASSERTION(nsnull == childNextInFlow, "bad child flow list");
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}
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#endif
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}
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PR_PL(("PageFrame::Reflow %p ", this));
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PR_PL(("[%d,%d][%d,%d]\n", aDesiredSize.width, aDesiredSize.height, aReflowState.availableWidth, aReflowState.availableHeight));
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// Return our desired size
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aDesiredSize.width = aReflowState.availableWidth;
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if (aReflowState.availableHeight != NS_UNCONSTRAINEDSIZE) {
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aDesiredSize.height = aReflowState.availableHeight;
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}
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}
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PR_PL(("PageFrame::Reflow %p ", this));
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PR_PL(("[%d,%d]\n", aReflowState.availableWidth, aReflowState.availableHeight));
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NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
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return NS_OK;
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}
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void nsPageFrame::SetClipRect(nsRect* aClipRect)
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{
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mClipRect = *aClipRect;
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nsIFrame* firstFrame = mFrames.FirstChild();
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nsPageContentFrame* contentPage = NS_STATIC_CAST(nsPageContentFrame*, firstFrame);
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NS_ASSERTION(contentPage, "There should always be a content page");
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contentPage->SetClipRect(aClipRect);
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}
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NS_IMETHODIMP
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nsPageFrame::GetFrameType(nsIAtom** aType) const
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{
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NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
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*aType = nsLayoutAtoms::pageFrame;
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NS_ADDREF(*aType);
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return NS_OK;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsPageFrame::GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("Page"), aResult);
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}
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#endif
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NS_IMETHODIMP
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nsPageFrame::IsPercentageBase(PRBool& aBase) const
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{
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aBase = PR_TRUE;
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return NS_OK;
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}
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// Remove fix below when string gets fixed
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#define WORKAROUND_FOR_BUG_110335
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// replace the &<code> with the value, but if the value is empty
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// set the string to zero length
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static void
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SubstValueForCode(nsString& aStr, const PRUnichar * aUKey, const PRUnichar * aUStr)
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{
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#ifdef WORKAROUND_FOR_BUG_110335
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const PRUnichar* uKeyStr = aUKey;
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// Check to make sure our subst code &<code> isn't in the data string
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// for example &T for title is in QB&T
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nsAutoString dataStr(aUStr);
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nsAutoString newKey(aUKey);
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PRBool fixingSubstr = (dataStr.Find(newKey) != kNotFound);
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if (fixingSubstr) {
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// well, the code is in the data str so make up a new code
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// but make sure it it isn't in either substs string or the data string
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char* code = "~!@#$%^*()_+=][}{`';:|?/.,:\"<>";
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PRInt32 codeInx = 0;
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PRInt32 codeLen = PRUint32(strlen(code));
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while ((dataStr.Find(newKey) > -1 || aStr.Find(newKey) > -1) && codeInx < codeLen) {
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newKey.SetCharAt((PRUnichar)code[codeInx++], 0);
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}
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// Check to see if we can do the substitution
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if (codeInx == codeLen) {
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aStr.SetLength(0);
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return; // bail we just can't do it
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}
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// Ok, we have the new code, so repplace the old code
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// in the dest str with the new code
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aStr.ReplaceSubstring(aUKey, newKey.get());
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uKeyStr = ToNewUnicode(newKey);
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}
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if (nsCRT::strlen(aUStr) == 0) {
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aStr.SetLength(0);
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} else {
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aStr.ReplaceSubstring(uKeyStr, aUStr);
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}
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// Free uKeyStr only if we fixed the string.
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if (fixingSubstr) {
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nsMemory::Free(NS_CONST_CAST(PRUnichar*, uKeyStr));
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}
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#else
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if (nsCRT::strlen(aUStr) == 0) {
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aStr.SetLength(0);
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} else {
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aStr.ReplaceSubstring(aUKey, aUStr);
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}
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#endif // WORKAROUND_FOR_BUG_110335
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}
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// done with static helper functions
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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void
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nsPageFrame::ProcessSpecialCodes(const nsString& aStr, nsString& aNewStr)
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{
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aNewStr = aStr;
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// Search to see if the &D code is in the string
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// then subst in the current date/time
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NS_NAMED_LITERAL_STRING(kDate, "&D");
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if (aStr.Find(kDate) != kNotFound) {
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if (mPD->mDateTimeStr != nsnull) {
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aNewStr.ReplaceSubstring(kDate.get(), mPD->mDateTimeStr);
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} else {
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aNewStr.ReplaceSubstring(kDate.get(), NS_LITERAL_STRING("").get());
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}
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return;
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}
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// NOTE: Must search for &PT before searching for &P
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//
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// Search to see if the "page number and page" total code are in the string
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// and replace the page number and page total code with the actual
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// values
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NS_NAMED_LITERAL_STRING(kPageAndTotal, "&PT");
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if (aStr.Find(kPageAndTotal) != kNotFound) {
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PRUnichar * uStr = nsTextFormatter::smprintf(mPD->mPageNumAndTotalsFormat, mPageNum, mTotNumPages);
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aNewStr.ReplaceSubstring(kPageAndTotal.get(), uStr);
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nsMemory::Free(uStr);
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return;
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}
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// Search to see if the page number code is in the string
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// and replace the page number code with the actual value
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NS_NAMED_LITERAL_STRING(kPage, "&P");
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if (aStr.Find(kPage) != kNotFound) {
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PRUnichar * uStr = nsTextFormatter::smprintf(mPD->mPageNumFormat, mPageNum);
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aNewStr.ReplaceSubstring(kPage.get(), uStr);
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nsMemory::Free(uStr);
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return;
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}
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NS_NAMED_LITERAL_STRING(kTitle, "&T");
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if (aStr.Find(kTitle) != kNotFound) {
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SubstValueForCode(aNewStr, kTitle.get(), mPD->mDocTitle);
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return;
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}
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NS_NAMED_LITERAL_STRING(kDocURL, "&U");
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if (aStr.Find(kDocURL) != kNotFound) {
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SubstValueForCode(aNewStr, kDocURL.get(), mPD->mDocURL);
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return;
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}
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}
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//------------------------------------------------------------------------------
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nscoord nsPageFrame::GetXPosition(nsIRenderingContext& aRenderingContext,
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const nsRect& aRect,
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PRInt32 aJust,
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const nsString& aStr)
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{
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PRInt32 width;
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aRenderingContext.GetWidth(aStr, width);
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nscoord x = aRect.x;
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switch (aJust) {
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case nsIPrintSettings::kJustLeft:
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x += mPD->mExtraMargin.left + mPD->mEdgePaperMargin.left;
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break;
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case nsIPrintSettings::kJustCenter:
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x += (aRect.width - width) / 2;
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break;
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case nsIPrintSettings::kJustRight:
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x += aRect.width - width - mPD->mExtraMargin.right - mPD->mEdgePaperMargin.right;
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break;
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} // switch
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NS_ASSERTION(x >= 0, "x can't be less than zero");
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x = PR_MAX(x, 0);
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return x;
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}
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//------------------------------------------------------------------------------
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// Draw a Header or footer text lrft,right or center justified
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// @parm aRenderingContext - rendering content ot draw into
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// @parm aHeaderFooter - indicates whether it is a header or footer
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// @parm aJust - indicates the justification of the text
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// @parm aStr - The string to be drawn
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// @parm aRect - the rect of the page
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// @parm aHeight - the height of the text
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// @parm aUseHalfThePage - indicates whether the text should limited to the width
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// of the entire page or just half the page
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void
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nsPageFrame::DrawHeaderFooter(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIFrame * aFrame,
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nsHeaderFooterEnum aHeaderFooter,
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PRInt32 aJust,
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const nsString& aStr1,
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const nsString& aStr2,
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const nsString& aStr3,
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const nsRect& aRect,
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nscoord aAscent,
|
|
nscoord aHeight)
|
|
{
|
|
PRInt32 numStrs = 0;
|
|
if (!aStr1.IsEmpty()) numStrs++;
|
|
if (!aStr2.IsEmpty()) numStrs++;
|
|
if (!aStr3.IsEmpty()) numStrs++;
|
|
|
|
if (numStrs == 0) return;
|
|
nscoord strSpace = aRect.width / numStrs;
|
|
|
|
if (!aStr1.IsEmpty()) {
|
|
DrawHeaderFooter(aPresContext, aRenderingContext, aFrame, aHeaderFooter, nsIPrintSettings::kJustLeft, aStr1, aRect, aAscent, aHeight, strSpace);
|
|
}
|
|
if (!aStr2.IsEmpty()) {
|
|
DrawHeaderFooter(aPresContext, aRenderingContext, aFrame, aHeaderFooter, nsIPrintSettings::kJustCenter, aStr2, aRect, aAscent, aHeight, strSpace);
|
|
}
|
|
if (!aStr3.IsEmpty()) {
|
|
DrawHeaderFooter(aPresContext, aRenderingContext, aFrame, aHeaderFooter, nsIPrintSettings::kJustRight, aStr3, aRect, aAscent, aHeight, strSpace);
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Draw a Header or footer text lrft,right or center justified
|
|
// @parm aRenderingContext - rendering content ot draw into
|
|
// @parm aHeaderFooter - indicates whether it is a header or footer
|
|
// @parm aJust - indicates the justification of the text
|
|
// @parm aStr - The string to be drawn
|
|
// @parm aRect - the rect of the page
|
|
// @parm aHeight - the height of the text
|
|
// @parm aWidth - available width for any one of the strings
|
|
void
|
|
nsPageFrame::DrawHeaderFooter(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIFrame * aFrame,
|
|
nsHeaderFooterEnum aHeaderFooter,
|
|
PRInt32 aJust,
|
|
const nsString& aStr,
|
|
const nsRect& aRect,
|
|
nscoord aAscent,
|
|
nscoord aHeight,
|
|
nscoord aWidth)
|
|
{
|
|
|
|
nscoord contentWidth = aWidth - (mPD->mEdgePaperMargin.left + mPD->mEdgePaperMargin.right);
|
|
|
|
// first make sure we have a vaild string and that the height of the
|
|
// text will fit in the margin
|
|
if (aStr.Length() > 0 &&
|
|
((aHeaderFooter == eHeader && aHeight < mMargin.top) ||
|
|
(aHeaderFooter == eFooter && aHeight < mMargin.bottom))) {
|
|
nsAutoString str;
|
|
ProcessSpecialCodes(aStr, str);
|
|
|
|
PRInt32 indx;
|
|
PRInt32 textWidth = 0;
|
|
const PRUnichar* text = str.get();
|
|
|
|
PRInt32 len = (PRInt32)str.Length();
|
|
if (len == 0) {
|
|
return; // bail is empty string
|
|
}
|
|
// find how much text fits, the "position" is the size of the avilable area
|
|
if (BinarySearchForPosition(&aRenderingContext, text, 0, 0, 0, len,
|
|
PRInt32(contentWidth), indx, textWidth)) {
|
|
if (indx < len-1 && len > 3) {
|
|
str.SetLength(indx-3);
|
|
str.Append(NS_LITERAL_STRING("..."));
|
|
}
|
|
} else {
|
|
return; // bail if couldn't find the correct length
|
|
}
|
|
|
|
// cacl the x and y positions of the text
|
|
nsRect rect(aRect);
|
|
nscoord x = GetXPosition(aRenderingContext, rect, aJust, str);
|
|
nscoord y;
|
|
if (aHeaderFooter == eHeader) {
|
|
y = rect.y + mPD->mExtraMargin.top + mPD->mEdgePaperMargin.top;
|
|
} else {
|
|
y = rect.y + rect.height - aHeight - mPD->mExtraMargin.bottom - mPD->mEdgePaperMargin.bottom;
|
|
}
|
|
|
|
// set up new clip and draw the text
|
|
PRBool clipEmpty;
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext.SetClipRect(rect, nsClipCombine_kReplace, clipEmpty);
|
|
#ifdef IBMBIDI
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
PRBool isBidiEnabled = PR_FALSE;
|
|
aPresContext->GetBidiEnabled(&isBidiEnabled);
|
|
if (isBidiEnabled) {
|
|
nsBidiPresUtils* bidiUtils;
|
|
aPresContext->GetBidiUtils(&bidiUtils);
|
|
|
|
if (bidiUtils) {
|
|
PRUnichar* buffer = (PRUnichar*)str.get();
|
|
// Base direction is always LTR for now. If bug 139337 is fixed,
|
|
// that should change.
|
|
rv = bidiUtils->RenderText(buffer, str.Length(), NSBIDI_LTR,
|
|
aPresContext, aRenderingContext,
|
|
x, y + aAscent);
|
|
}
|
|
}
|
|
if (NS_FAILED(rv))
|
|
#endif // IBMBIDI
|
|
aRenderingContext.DrawString(str, x, y + aAscent);
|
|
aRenderingContext.PopState(clipEmpty);
|
|
|
|
#ifdef DEBUG_PRINTING
|
|
PR_PL(("Page: %p", this));
|
|
const char * s = NS_ConvertUCS2toUTF8(str).get();
|
|
if (s) {
|
|
PR_PL((" [%s]", s));
|
|
}
|
|
char justStr[64];
|
|
switch (aJust) {
|
|
case nsIPrintSettings::kJustLeft:strcpy(justStr, "Left");break;
|
|
case nsIPrintSettings::kJustCenter:strcpy(justStr, "Center");break;
|
|
case nsIPrintSettings::kJustRight:strcpy(justStr, "Right");break;
|
|
} // switch
|
|
PR_PL((" HF: %s ", aHeaderFooter==eHeader?"Header":"Footer"));
|
|
PR_PL((" JST: %s ", justStr));
|
|
PR_PL((" x,y: %d,%d", x, y));
|
|
PR_PL((" Hgt: %d \n", aHeight));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsPageFrame::Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
|
|
{
|
|
aRenderingContext.PushState();
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
|
|
nsRect rect;
|
|
PRBool clipEmpty;
|
|
PRBool specialClipIsSet = mClipRect.width != -1 || mClipRect.height != -1;
|
|
|
|
if (specialClipIsSet) {
|
|
#ifdef DEBUG_PRINTING
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
|
|
printf("*** ClipRect: %5d,%5d,%5d,%5d\n", mClipRect.x, mClipRect.y, mClipRect.width, mClipRect.height);
|
|
}
|
|
#endif
|
|
aRenderingContext.SetClipRect(mClipRect, nsClipCombine_kReplace, clipEmpty);
|
|
rect = mClipRect;
|
|
} else {
|
|
rect = mRect;
|
|
}
|
|
|
|
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
|
|
|
|
nsCOMPtr<nsIPrintPreviewContext> ppContext = do_QueryInterface(aPresContext);
|
|
if (ppContext) {
|
|
// fill page with White
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width -= mPD->mShadowSize.width;
|
|
rect.height -= mPD->mShadowSize.height;
|
|
aRenderingContext.FillRect(rect);
|
|
// draw line around outside of page
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext.DrawRect(rect);
|
|
|
|
if (mPD->mShadowSize.width > 0 && mPD->mShadowSize.height > 0) {
|
|
aRenderingContext.SetColor(NS_RGB(51,51,51));
|
|
nsRect r(0,0, mRect.width, mRect.height);
|
|
nsRect shadowRect;
|
|
shadowRect.x = r.x + r.width - mPD->mShadowSize.width;
|
|
shadowRect.y = r.y + mPD->mShadowSize.height;
|
|
shadowRect.width = mPD->mShadowSize.width;
|
|
shadowRect.height = r.height - mPD->mShadowSize.height;
|
|
aRenderingContext.FillRect(shadowRect);
|
|
|
|
shadowRect.x = r.x + mPD->mShadowSize.width;
|
|
shadowRect.y = r.y + r.height - mPD->mShadowSize.height;
|
|
shadowRect.width = r.width - mPD->mShadowSize.width;
|
|
shadowRect.height = mPD->mShadowSize.height;
|
|
aRenderingContext.FillRect(shadowRect);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
|
|
DrawBackground(aPresContext,aRenderingContext,aDirtyRect);
|
|
}
|
|
|
|
nsresult rv = nsContainerFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
|
|
|
|
#if defined(DEBUG_rods) || defined(DEBUG_dcone)
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
|
|
PR_PL(("PF::Paint -> %p SupHF: %s Rect: [%5d,%5d,%5d,%5d] SC:%s\n", this,
|
|
mSupressHF?"Yes":"No", mRect.x, mRect.y, mRect.width, mRect.height, specialClipIsSet?"Yes":"No"));
|
|
PR_PL(("PF::Paint -> %p SupHF: %s Rect: [%5d,%5d,%5d,%5d] SC:%s\n", this,
|
|
mSupressHF?"Yes":"No", mRect.x, mRect.y, mRect.width, mRect.height, specialClipIsSet?"Yes":"No"));
|
|
}
|
|
#endif
|
|
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer && !mSupressHF) {
|
|
// For PrintPreview the
|
|
if (!mPD->mPrintSettings) {
|
|
nsCOMPtr<nsIPrintPreviewContext> ppContext = do_QueryInterface(aPresContext);
|
|
if (ppContext) {
|
|
ppContext->GetPrintSettings(getter_AddRefs(mPD->mPrintSettings));
|
|
}
|
|
}
|
|
NS_ASSERTION(mPD->mPrintSettings, "Must have a good PrintSettings here!");
|
|
|
|
// get the current margin
|
|
mPD->mPrintSettings->GetMarginInTwips(mMargin);
|
|
|
|
rect.SetRect(0, 0, mRect.width - mPD->mShadowSize.width, mRect.height - mPD->mShadowSize.height);
|
|
|
|
aRenderingContext.SetFont(*mPD->mHeadFootFont, nsnull);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
|
|
// Get the FontMetrics to determine width.height of strings
|
|
nsCOMPtr<nsIDeviceContext> deviceContext;
|
|
aPresContext->GetDeviceContext(getter_AddRefs(deviceContext));
|
|
NS_ASSERTION(deviceContext, "Couldn't get the device context");
|
|
nsCOMPtr<nsIFontMetrics> fontMet;
|
|
deviceContext->GetMetricsFor(*mPD->mHeadFootFont, nsnull, *getter_AddRefs(fontMet));
|
|
nscoord ascent = 0;
|
|
nscoord visibleHeight = 0;
|
|
if (fontMet) {
|
|
fontMet->GetHeight(visibleHeight);
|
|
fontMet->GetMaxAscent(ascent);
|
|
}
|
|
|
|
// print document headers and footers
|
|
PRUnichar * headers[3];
|
|
mPD->mPrintSettings->GetHeaderStrLeft(&headers[0]); // creates memory
|
|
mPD->mPrintSettings->GetHeaderStrCenter(&headers[1]); // creates memory
|
|
mPD->mPrintSettings->GetHeaderStrRight(&headers[2]); // creates memory
|
|
DrawHeaderFooter(aPresContext, aRenderingContext, this, eHeader, nsIPrintSettings::kJustLeft,
|
|
nsAutoString(headers[0]), nsAutoString(headers[1]), nsAutoString(headers[2]),
|
|
rect, ascent, visibleHeight);
|
|
PRInt32 i;
|
|
for (i=0;i<3;i++) nsMemory::Free(headers[i]);
|
|
|
|
PRUnichar * footers[3];
|
|
mPD->mPrintSettings->GetFooterStrLeft(&footers[0]); // creates memory
|
|
mPD->mPrintSettings->GetFooterStrCenter(&footers[1]); // creates memory
|
|
mPD->mPrintSettings->GetFooterStrRight(&footers[2]); // creates memory
|
|
DrawHeaderFooter(aPresContext, aRenderingContext, this, eFooter, nsIPrintSettings::kJustRight,
|
|
nsAutoString(footers[0]), nsAutoString(footers[1]), nsAutoString(footers[2]),
|
|
rect, ascent, visibleHeight);
|
|
for (i=0;i<3;i++) nsMemory::Free(footers[i]);
|
|
|
|
}
|
|
|
|
aRenderingContext.PopState(clipEmpty);
|
|
|
|
return rv;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
void
|
|
nsPageFrame::SetPageNumInfo(PRInt32 aPageNumber, PRInt32 aTotalPages)
|
|
{
|
|
mPageNum = aPageNumber;
|
|
mTotNumPages = aTotalPages;
|
|
}
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
void
|
|
nsPageFrame::DrawBackground(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
nsSimplePageSequenceFrame* seqFrame = NS_STATIC_CAST(nsSimplePageSequenceFrame*, mParent);
|
|
if (seqFrame != nsnull) {
|
|
nsIFrame* pageContentFrame = mFrames.FirstChild();
|
|
NS_ASSERTION(pageContentFrame, "Must always be there.");
|
|
|
|
nsRect rect;
|
|
pageContentFrame->GetRect(rect);
|
|
const nsStyleBorder* border =
|
|
NS_STATIC_CAST(const nsStyleBorder*,
|
|
mStyleContext->GetStyleData(eStyleStruct_Border));
|
|
const nsStylePadding* padding =
|
|
NS_STATIC_CAST(const nsStylePadding*,
|
|
mStyleContext->GetStyleData(eStyleStruct_Padding));
|
|
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *border, *padding,
|
|
0, 0, PR_TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsPageFrame::SetSharedPageData(nsSharedPageData* aPD)
|
|
{
|
|
mPD = aPD;
|
|
// Set the shared data into the page frame before reflow
|
|
nsPageContentFrame * pcf = NS_STATIC_CAST(nsPageContentFrame*, mFrames.FirstChild());
|
|
if (pcf) {
|
|
pcf->SetSharedPageData(mPD);
|
|
}
|
|
|
|
}
|
|
|
|
nsresult
|
|
NS_NewPageBreakFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aPresShell && aNewFrame, "null PresShell or OUT ptr");
|
|
#ifdef DEBUG
|
|
//check that we are only creating page break frames when printing
|
|
nsCOMPtr<nsIPresContext> presContext;
|
|
aPresShell->GetPresContext(getter_AddRefs(presContext));
|
|
PRBool isPaginated;
|
|
presContext->IsPaginated(&isPaginated);
|
|
NS_ASSERTION(isPaginated, "created a page break frame while not printing");
|
|
#endif
|
|
|
|
nsPageBreakFrame* it = new (aPresShell) nsPageBreakFrame;
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsPageBreakFrame::nsPageBreakFrame()
|
|
: mHaveReflowed(PR_FALSE)
|
|
{
|
|
}
|
|
|
|
nsPageBreakFrame::~nsPageBreakFrame()
|
|
{
|
|
}
|
|
|
|
void
|
|
nsPageBreakFrame::GetDesiredSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredSize)
|
|
{
|
|
NS_PRECONDITION(aPresContext, "null pres context");
|
|
float p2t;
|
|
aPresContext->GetScaledPixelsToTwips(&p2t);
|
|
nscoord onePixel = NSToCoordRound(p2t);
|
|
|
|
aDesiredSize.width = onePixel;
|
|
if (mHaveReflowed) {
|
|
// If blocks reflow us a 2nd time trying to put us on a new page, then return
|
|
// a desired height of 0 to avoid an extra page break.
|
|
aDesiredSize.height = 0;
|
|
}
|
|
else {
|
|
aDesiredSize.height = aReflowState.availableHeight;
|
|
// round the height down to the nearest pixel
|
|
aDesiredSize.height -= aDesiredSize.height % onePixel;
|
|
}
|
|
|
|
if (aDesiredSize.maxElementSize) {
|
|
aDesiredSize.maxElementSize->width = onePixel;
|
|
aDesiredSize.maxElementSize->height = aDesiredSize.height;
|
|
}
|
|
aDesiredSize.ascent = 0;
|
|
aDesiredSize.descent = 0;
|
|
}
|
|
|
|
nsresult
|
|
nsPageBreakFrame::Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
NS_PRECONDITION(aPresContext, "null pres context");
|
|
DO_GLOBAL_REFLOW_COUNT("nsTableFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize);
|
|
mHaveReflowed = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPageBreakFrame::GetFrameType(nsIAtom** aType) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
|
|
*aType = nsLayoutAtoms::pageBreakFrame;
|
|
NS_ADDREF(*aType);
|
|
return NS_OK;
|
|
}
|
|
|
|
|