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855fd85355
This was done so navigation is as fast as possible, meaning it doesn't have to figure it out each time. The patch: 1) Adds a method to the nsIContentViewerContainer to tell it whether we are printing or in PP. 2) Fix up the DV and PrintEngine, the DV SetIsXXXX didn't need to set any values in the PrintEngine, but now instead makes calls and sets the values in DocShells 3) Cleaned up and add a macro to nsIDocumentViewerPrint Bug 171161 r=dcone sr=rpotts
358 lines
15 KiB
C++
358 lines
15 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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#ifndef nsPrintEngine_h___
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#define nsPrintEngine_h___
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#include "nsPrintObject.h"
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#include "nsPrintData.h"
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// Interfaces
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#include "nsIDeviceContext.h"
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#include "nsIDocument.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsIObserver.h"
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#include "nsIPrintProgress.h"
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#include "nsIPrintProgressParams.h"
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#include "nsIPrintOptions.h"
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#include "nsIPrintSettings.h"
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#include "nsIWebProgressListener.h"
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#include "nsISelectionListener.h"
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// Other Includes
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#include "nsPrintPreviewListener.h"
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#include "nsIDocShellTreeNode.h"
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// Classes
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class nsIPageSequenceFrame;
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class nsPagePrintTimer;
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// Special Interfaces
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#include "nsIWebBrowserPrint.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocumentViewerPrint.h"
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#ifdef MOZ_LAYOUTDEBUG
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#include "nsIDebugObject.h"
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#endif
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//------------------------------------------------------------------------
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// nsPrintEngine Class
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//
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// mPreparingForPrint - indicates that we have started Printing but
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// have not gone to the timer to start printing the pages. It gets turned
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// off right before we go to the timer.
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//
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// mDocWasToBeDestroyed - Gets set when "someone" tries to unload the document
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// while we were prparing to Print. This typically happens if a user starts
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// to print while a page is still loading. If they start printing and pause
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// at the print dialog and then the page comes in, we then abort printing
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// because the document is no longer stable.
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//
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//------------------------------------------------------------------------
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class nsPrintEngine : public nsIWebBrowserPrint, public nsIObserver {
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public:
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//NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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// nsISupports interface...
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NS_DECL_ISUPPORTS
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// nsIWebBrowserPrint
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NS_DECL_NSIWEBBROWSERPRINT
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// nsIObserver
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NS_DECL_NSIOBSERVER
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// This enum tells indicates what the default should be for the title
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// if the title from the document is null
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enum eDocTitleDefault {
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eDocTitleDefNone,
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eDocTitleDefBlank,
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eDocTitleDefURLDoc
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};
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nsPrintEngine();
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virtual ~nsPrintEngine();
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void Destroy();
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void DestroyPrintingData();
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nsresult Initialize(nsIDocumentViewer* aDocViewer,
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nsIDocumentViewerPrint* aDocViewerPrint,
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nsISupports* aContainer,
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nsIDocument* aDocument,
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nsIDeviceContext* aDevContext,
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nsIPresContext* aPresContext,
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nsIWidget* aWindow,
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nsIWidget* aParentWidget,
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FILE* aDebugFile);
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nsresult GetSeqFrameAndCountPages(nsIFrame*& aSeqFrame, PRInt32& aCount);
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PRBool IsOldPrintPreviewPres() { return mOldPrtPreview != nsnull; }
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//
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// The following three methods are used for printing...
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//
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nsresult DocumentReadyForPrinting();
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nsresult GetSelectionDocument(nsIDeviceContextSpec * aDevSpec,
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nsIDocument ** aNewDoc);
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nsresult SetupToPrintContent(nsIDeviceContext* aDContext,
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nsIDOMWindowInternal* aCurrentFocusedDOMWin);
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nsresult EnablePOsForPrinting();
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nsPrintObject* FindSmallestSTF();
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PRBool PrintDocContent(nsPrintObject* aPO, nsresult& aStatus);
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nsresult DoPrint(nsPrintObject * aPO, PRBool aDoSyncPrinting,
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PRBool& aDonePrinting);
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void SetPrintAsIs(nsPrintObject* aPO, PRBool aAsIs = PR_TRUE);
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enum ePrintFlags {eSetPrintFlag = 1U, eSetHiddenFlag = 2U };
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void SetPrintPO(nsPrintObject* aPO, PRBool aPrint, PRBool aIsHidden = PR_FALSE, PRUint32 aFlags = eSetPrintFlag);
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void TurnScriptingOn(PRBool aDoTurnOn);
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PRBool CheckDocumentForPPCaching();
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void InstallPrintPreviewListener();
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// nsIDocumentViewerPrint Printing Methods
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PRBool PrintPage(nsIPresContext* aPresContext,
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nsIPrintSettings* aPrintSettings,
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nsPrintObject* aPOect, PRBool& aInRange);
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PRBool DonePrintingPages(nsPrintObject* aPO, nsresult aResult);
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//---------------------------------------------------------------------
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void BuildDocTree(nsIDocShellTreeNode * aParentNode,
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nsVoidArray * aDocList,
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nsPrintObject * aPO);
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nsresult ReflowDocList(nsPrintObject * aPO, PRBool aSetPixelScale,
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PRBool aDoCalcShrink);
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void SetClipRect(nsPrintObject* aPO,
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const nsRect& aClipRect,
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nscoord aOffsetX,
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nscoord aOffsetY,
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PRBool aDoingSetClip);
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nsresult ReflowPrintObject(nsPrintObject * aPO, PRBool aDoCalcShrink);
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nsresult CalcPageFrameLocation(nsIPresShell * aPresShell,
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nsPrintObject* aPO);
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nsPrintObject * FindPrintObjectByWS(nsPrintObject* aPO, nsIWebShell * aWebShell);
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void MapContentForPO(nsPrintObject* aRootObject,
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nsIPresShell* aPresShell,
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nsIContent* aContent);
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void MapContentToWebShells(nsPrintObject* aRootPO, nsPrintObject* aPO);
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void CheckForChildFrameSets(nsPrintObject* aPO);
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nsresult MapSubDocFrameLocations(nsPrintObject* aPO);
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void CalcNumPrintableDocsAndPages(PRInt32& aNumDocs, PRInt32& aNumPages);
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void DoProgressForAsIsFrames();
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void DoProgressForSeparateFrames();
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void ShowPrintProgress(PRBool aIsForPrinting, PRBool& aDoNotify);
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nsresult CleanupOnFailure(nsresult aResult, PRBool aIsPrinting);
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nsresult FinishPrintPreview();
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static void CloseProgressDialog(nsIWebProgressListener* aWebProgressListener);
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void SetDocAndURLIntoProgress(nsPrintObject* aPO,
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nsIPrintProgressParams* aParams);
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void ElipseLongString(PRUnichar *& aStr, const PRUint32 aLen, PRBool aDoFront);
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nsresult CheckForPrinters(nsIPrintOptions* aPrintOptions,
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nsIPrintSettings* aPrintSettings,
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PRUint32 aErrorCode,
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PRBool aIsPrinting);
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void CleanupDocTitleArray(PRUnichar**& aArray, PRInt32& aCount);
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void CheckForHiddenFrameSetFrames();
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PRBool IsThereARangeSelection(nsIDOMWindowInternal * aDOMWin);
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//---------------------------------------------------------------------
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// Timer Methods
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nsresult StartPagePrintTimer(nsIPresContext * aPresContext,
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nsIPrintSettings* aPrintSettings,
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nsPrintObject* aPO,
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PRUint32 aDelay);
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//---------------------------------------------------------------------
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// Static Methods
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//---------------------------------------------------------------------
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PRBool IsWindowsInOurSubTree(nsIDOMWindowInternal * aDOMWindow);
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PRBool IsParentAFrameSet(nsIWebShell * aParent);
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PRBool IsThereAnIFrameSelected(nsIWebShell* aWebShell,
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nsIDOMWindowInternal * aDOMWin,
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PRPackedBool& aIsParentFrameSet);
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nsPrintObject* FindPrintObjectByDOMWin(nsPrintObject* aParentObject,
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nsIDOMWindowInternal * aDOMWin);
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// get the DOMWindow for a given WebShell
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nsIDOMWindowInternal * GetDOMWinForWebShell(nsIWebShell* aWebShell);
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// get the currently infocus frame for the document viewer
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nsIDOMWindowInternal * FindFocusedDOMWindowInternal();
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void GetWebShellTitleAndURL(nsIWebShell* aWebShell, nsIDocument* aDoc,
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PRUnichar** aTitle, PRUnichar** aURLStr);
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static void GetDisplayTitleAndURL(nsPrintObject* aPO,
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nsIPrintSettings* aPrintSettings,
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const PRUnichar* aBrandName,
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PRUnichar** aTitle,
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PRUnichar** aURLStr,
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eDocTitleDefault aDefType = eDocTitleDefNone);
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static void ShowPrintErrorDialog(nsresult printerror,
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PRBool aIsPrinting = PR_TRUE);
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PRBool CheckBeforeDestroy();
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nsresult Cancelled();
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nsresult ShowDocList(PRBool aShow);
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void GetNewPresentation(nsCOMPtr<nsIPresShell>& aShell,
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nsCOMPtr<nsIPresContext>& aPC,
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nsCOMPtr<nsIViewManager>& aVM,
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nsCOMPtr<nsIWidget>& aW);
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// CachedPresentationObj is used to cache the presentation
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// so we can bring it back later
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PRBool HasCachedPres() { return mIsCachingPresentation && mCachedPresObj; }
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PRBool IsCachingPres() { return mIsCachingPresentation; }
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void SetCacheOldPres(PRBool aDoCache) { mIsCachingPresentation = aDoCache; }
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void CachePresentation(nsIPresShell* aShell, nsIPresContext* aPC, nsIViewManager* aVM, nsIWidget* aW);
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void GetCachedPresentation(nsCOMPtr<nsIPresShell>& aShell,
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nsCOMPtr<nsIPresContext>& aPC,
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nsCOMPtr<nsIViewManager>& aVM,
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nsCOMPtr<nsIWidget>& aW);
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static nsIPresShell* GetPresShellFor(nsIDocShell* aDocShell);
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void SetDialogParent(nsIDOMWindowInternal* aDOMWin) { mDialogParentWin = aDOMWin; }
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// These calls also update the DocViewer
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void SetIsPrinting(PRBool aIsPrinting);
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PRBool GetIsPrinting() { return mIsDoingPrinting; }
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void SetIsPrintPreview(PRBool aIsPrintPreview);
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PRBool GetIsPrintPreview() { return mIsDoingPrintPreview; }
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void SetIsCreatingPrintPreview(PRBool aIsCreatingPrintPreview) { mIsCreatingPrintPreview = aIsCreatingPrintPreview; }
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PRBool GetIsCreatingPrintPreview() { return mIsCreatingPrintPreview; }
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#ifdef MOZ_LAYOUTDEBUG
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static nsresult TestRuntimeErrorCondition(PRInt16 aRuntimeID,
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nsresult aCurrentErrorCode,
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nsresult aNewErrorCode);
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static PRBool IsDoingRuntimeTesting();
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static void InitializeTestRuntimeError();
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protected:
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static PRBool mIsDoingRuntimeTesting;
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static nsCOMPtr<nsIDebugObject> mLayoutDebugObj; // always de-referenced with the destructor
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#endif
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protected:
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void FirePrintCompletionEvent();
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nsresult ShowDocListInternal(nsPrintObject* aPO, PRBool aShow);
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nsresult GetSeqFrameAndCountPagesInternal(nsPrintObject* aPO,
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nsIFrame*& aSeqFrame,
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PRInt32& aCount);
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static nsresult GetPageRangeForSelection(nsIPresShell * aPresShell,
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nsIPresContext* aPresContext,
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nsIRenderingContext& aRC,
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nsISelection* aSelection,
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nsIPageSequenceFrame* aPageSeqFrame,
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nsIFrame** aStartFrame,
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PRInt32& aStartPageNum,
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nsRect& aStartRect,
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nsIFrame** aEndFrame,
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PRInt32& aEndPageNum,
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nsRect& aEndRect);
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static nsIFrame * FindFrameByType(nsIPresContext* aPresContext,
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nsIFrame * aParentFrame,
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nsIAtom * aType,
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nsRect& aRect,
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nsRect& aChildRect);
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// Static memeber variables
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PRBool mIsCreatingPrintPreview;
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PRBool mIsDoingPrinting;
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nsIDocumentViewerPrint* mDocViewerPrint; // [WEAK] it owns me!
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nsIDocumentViewer* mDocViewer; // [WEAK] it owns me!
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nsISupports* mContainer; // [WEAK] it owns me!
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nsIDeviceContext* mDeviceContext; // not ref counted
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nsIPresContext* mPresContext; // not ref counted
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nsCOMPtr<nsIWidget> mWindow;
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nsPrintData* mPrt;
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nsPagePrintTimer* mPagePrintTimer;
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nsIPageSequenceFrame* mPageSeqFrame;
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// Print Preview
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PRBool mIsDoingPrintPreview; // per DocumentViewer
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nsCOMPtr<nsIWidget> mParentWidget;
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nsPrintData* mPrtPreview;
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nsPrintData* mOldPrtPreview;
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nsCOMPtr<nsIDocument> mDocument;
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nsCOMPtr<nsIDOMWindowInternal> mDialogParentWin;
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PRBool mIsCachingPresentation;
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CachedPresentationObj* mCachedPresObj;
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FILE* mDebugFile;
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private:
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nsPrintEngine& operator=(const nsPrintEngine& aOther); // not implemented
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};
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#ifdef MOZ_LAYOUTDEBUG
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#define INIT_RUNTIME_ERROR_CHECKING() nsPrintEngine::InitializeTestRuntimeError();
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#define CHECK_RUNTIME_ERROR_CONDITION(_name, _currerr, _newerr) \
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if (nsPrintEngine::IsDoingRuntimeTesting()) { \
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_currerr = nsPrintEngine::TestRuntimeErrorCondition(_name, _currerr, _newerr); \
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}
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#else
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#define CHECK_RUNTIME_ERROR_CONDITION(_name, _currerr, _newerr)
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#define INIT_RUNTIME_ERROR_CHECKING()
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#endif
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#endif /* nsPrintEngine_h___ */
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