mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 22:32:46 +00:00
306 lines
12 KiB
C++
306 lines
12 KiB
C++
/* -*- 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 nsPrintEngine_h___
|
|
#define nsPrintEngine_h___
|
|
|
|
#include "nsCOMPtr.h"
|
|
|
|
#include "nsPrintObject.h"
|
|
#include "nsPrintData.h"
|
|
|
|
// Interfaces
|
|
#include "nsIDocument.h"
|
|
#include "nsIDOMWindow.h"
|
|
#include "nsIObserver.h"
|
|
|
|
// Classes
|
|
class nsPagePrintTimer;
|
|
class nsIDocShellTreeNode;
|
|
class nsIDeviceContext;
|
|
class nsIDocumentViewerPrint;
|
|
class nsPrintObject;
|
|
class nsIDocShell;
|
|
class nsIPageSequenceFrame;
|
|
|
|
//------------------------------------------------------------------------
|
|
// nsPrintEngine Class
|
|
//
|
|
//------------------------------------------------------------------------
|
|
class nsPrintEngine : public nsIObserver
|
|
{
|
|
public:
|
|
// nsISupports interface...
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIObserver
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
// Old nsIWebBrowserPrint methods; not cleaned up yet
|
|
NS_IMETHOD Print(nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
NS_IMETHOD PrintPreview(nsIPrintSettings* aPrintSettings,
|
|
nsIDOMWindow *aChildDOMWin,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
NS_IMETHOD GetIsFramesetDocument(PRBool *aIsFramesetDocument);
|
|
NS_IMETHOD GetIsIFrameSelected(PRBool *aIsIFrameSelected);
|
|
NS_IMETHOD GetIsRangeSelection(PRBool *aIsRangeSelection);
|
|
NS_IMETHOD GetIsFramesetFrameSelected(PRBool *aIsFramesetFrameSelected);
|
|
NS_IMETHOD GetPrintPreviewNumPages(PRInt32 *aPrintPreviewNumPages);
|
|
NS_IMETHOD EnumerateDocumentNames(PRUint32* aCount, PRUnichar*** aResult);
|
|
static nsresult GetGlobalPrintSettings(nsIPrintSettings** aPrintSettings);
|
|
NS_IMETHOD GetDoingPrint(PRBool *aDoingPrint);
|
|
NS_IMETHOD GetDoingPrintPreview(PRBool *aDoingPrintPreview);
|
|
NS_IMETHOD GetCurrentPrintSettings(nsIPrintSettings **aCurrentPrintSettings);
|
|
|
|
|
|
// This enum tells indicates what the default should be for the title
|
|
// if the title from the document is null
|
|
enum eDocTitleDefault {
|
|
eDocTitleDefNone,
|
|
eDocTitleDefBlank,
|
|
eDocTitleDefURLDoc
|
|
};
|
|
|
|
nsPrintEngine();
|
|
~nsPrintEngine();
|
|
|
|
void Destroy();
|
|
void DestroyPrintingData();
|
|
|
|
nsresult Initialize(nsIDocumentViewerPrint* aDocViewerPrint,
|
|
nsISupports* aContainer,
|
|
nsIDocument* aDocument,
|
|
nsIDeviceContext* aDevContext,
|
|
nsIWidget* aParentWidget,
|
|
FILE* aDebugFile);
|
|
|
|
nsresult GetSeqFrameAndCountPages(nsIFrame*& aSeqFrame, PRInt32& aCount);
|
|
|
|
//
|
|
// The following three methods are used for printing...
|
|
//
|
|
nsresult DocumentReadyForPrinting();
|
|
nsresult GetSelectionDocument(nsIDeviceContextSpec * aDevSpec,
|
|
nsIDocument ** aNewDoc);
|
|
|
|
nsresult SetupToPrintContent();
|
|
nsresult EnablePOsForPrinting();
|
|
nsPrintObject* FindSmallestSTF();
|
|
|
|
PRBool PrintDocContent(nsPrintObject* aPO, nsresult& aStatus);
|
|
nsresult DoPrint(nsPrintObject * aPO);
|
|
|
|
void SetPrintPO(nsPrintObject* aPO, PRBool aPrint);
|
|
|
|
void TurnScriptingOn(PRBool aDoTurnOn);
|
|
PRBool CheckDocumentForPPCaching();
|
|
void InstallPrintPreviewListener();
|
|
|
|
// nsIDocumentViewerPrint Printing Methods
|
|
PRBool PrintPage(nsPrintObject* aPOect, PRBool& aInRange);
|
|
PRBool DonePrintingPages(nsPrintObject* aPO, nsresult aResult);
|
|
|
|
//---------------------------------------------------------------------
|
|
void BuildDocTree(nsIDocShellTreeNode * aParentNode,
|
|
nsVoidArray * aDocList,
|
|
nsPrintObject * aPO);
|
|
nsresult ReflowDocList(nsPrintObject * aPO, PRBool aSetPixelScale);
|
|
|
|
nsresult ReflowPrintObject(nsPrintObject * aPO);
|
|
|
|
void CheckForChildFrameSets(nsPrintObject* aPO);
|
|
|
|
void CalcNumPrintablePages(PRInt32& aNumPages);
|
|
void ShowPrintProgress(PRBool aIsForPrinting, PRBool& aDoNotify);
|
|
nsresult CleanupOnFailure(nsresult aResult, PRBool aIsPrinting);
|
|
// If FinishPrintPreview() fails, caller may need to reset the state of the
|
|
// object, for example by calling CleanupOnFailure().
|
|
nsresult FinishPrintPreview();
|
|
static void CloseProgressDialog(nsIWebProgressListener* aWebProgressListener);
|
|
void SetDocAndURLIntoProgress(nsPrintObject* aPO,
|
|
nsIPrintProgressParams* aParams);
|
|
void ElipseLongString(PRUnichar *& aStr, const PRUint32 aLen, PRBool aDoFront);
|
|
nsresult CheckForPrinters(nsIPrintSettings* aPrintSettings);
|
|
void CleanupDocTitleArray(PRUnichar**& aArray, PRInt32& aCount);
|
|
|
|
PRBool IsThereARangeSelection(nsIDOMWindow * aDOMWin);
|
|
|
|
//---------------------------------------------------------------------
|
|
|
|
|
|
// Timer Methods
|
|
nsresult StartPagePrintTimer(nsPrintObject* aPO);
|
|
|
|
PRBool IsWindowsInOurSubTree(nsIDOMWindow * aDOMWindow);
|
|
static PRBool IsParentAFrameSet(nsIDocShell * aParent);
|
|
PRBool IsThereAnIFrameSelected(nsIDocShell* aDocShell,
|
|
nsIDOMWindow* aDOMWin,
|
|
PRPackedBool& aIsParentFrameSet);
|
|
|
|
static nsPrintObject* FindPrintObjectByDOMWin(nsPrintObject* aParentObject,
|
|
nsIDOMWindow* aDOMWin);
|
|
|
|
// get the currently infocus frame for the document viewer
|
|
already_AddRefed<nsIDOMWindow> FindFocusedDOMWindow();
|
|
|
|
//---------------------------------------------------------------------
|
|
// Static Methods
|
|
//---------------------------------------------------------------------
|
|
static void GetDocumentTitleAndURL(nsIDocument* aDoc,
|
|
PRUnichar** aTitle,
|
|
PRUnichar** aURLStr);
|
|
void GetDisplayTitleAndURL(nsPrintObject* aPO,
|
|
PRUnichar** aTitle,
|
|
PRUnichar** aURLStr,
|
|
eDocTitleDefault aDefType);
|
|
static void ShowPrintErrorDialog(nsresult printerror,
|
|
PRBool aIsPrinting = PR_TRUE);
|
|
|
|
static PRBool HasFramesetChild(nsIContent* aContent);
|
|
|
|
PRBool CheckBeforeDestroy();
|
|
nsresult Cancelled();
|
|
|
|
nsIWidget* GetPrintPreviewWindow() {return mPrtPreview->mPrintObject->mWindow;}
|
|
|
|
nsIViewManager* GetPrintPreviewViewManager() {return mPrtPreview->mPrintObject->mViewManager;}
|
|
|
|
float GetPrintPreviewScale() { return mPrtPreview->mPrintObject->
|
|
mPresContext->GetPrintPreviewScale(); }
|
|
|
|
static nsIPresShell* GetPresShellFor(nsIDocShell* aDocShell);
|
|
|
|
// These calls also update the DocViewer
|
|
void SetIsPrinting(PRBool aIsPrinting);
|
|
PRBool GetIsPrinting()
|
|
{
|
|
return mIsDoingPrinting;
|
|
}
|
|
void SetIsPrintPreview(PRBool aIsPrintPreview);
|
|
PRBool GetIsPrintPreview()
|
|
{
|
|
return mIsDoingPrintPreview;
|
|
}
|
|
void SetIsCreatingPrintPreview(PRBool aIsCreatingPrintPreview)
|
|
{
|
|
mIsCreatingPrintPreview = aIsCreatingPrintPreview;
|
|
}
|
|
PRBool GetIsCreatingPrintPreview()
|
|
{
|
|
return mIsCreatingPrintPreview;
|
|
}
|
|
|
|
protected:
|
|
|
|
nsresult CommonPrint(PRBool aIsPrintPreview, nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
|
|
nsresult DoCommonPrint(PRBool aIsPrintPreview, nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
|
|
void FirePrintCompletionEvent();
|
|
static nsresult GetSeqFrameAndCountPagesInternal(nsPrintObject* aPO,
|
|
nsIFrame*& aSeqFrame,
|
|
PRInt32& aCount);
|
|
|
|
static nsresult FindSelectionBoundsWithList(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRC,
|
|
nsIAtom* aList,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect);
|
|
|
|
static nsresult FindSelectionBounds(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRC,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect);
|
|
|
|
static nsresult GetPageRangeForSelection(nsIPresShell * aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRC,
|
|
nsISelection* aSelection,
|
|
nsIPageSequenceFrame* aPageSeqFrame,
|
|
nsIFrame** aStartFrame,
|
|
PRInt32& aStartPageNum,
|
|
nsRect& aStartRect,
|
|
nsIFrame** aEndFrame,
|
|
PRInt32& aEndPageNum,
|
|
nsRect& aEndRect);
|
|
|
|
static void MapContentForPO(nsPrintObject* aPO, nsIContent* aContent);
|
|
|
|
static void MapContentToWebShells(nsPrintObject* aRootPO, nsPrintObject* aPO);
|
|
|
|
static void SetPrintAsIs(nsPrintObject* aPO, PRBool aAsIs = PR_TRUE);
|
|
|
|
// Static member variables
|
|
PRPackedBool mIsCreatingPrintPreview;
|
|
PRPackedBool mIsDoingPrinting;
|
|
PRPackedBool mIsDoingPrintPreview; // per DocumentViewer
|
|
PRPackedBool mProgressDialogIsShown;
|
|
|
|
nsIDocumentViewerPrint* mDocViewerPrint; // [WEAK] it owns me!
|
|
nsISupports* mContainer; // [WEAK] it owns me!
|
|
nsIDeviceContext* mDeviceContext; // not ref counted
|
|
|
|
nsPrintData* mPrt;
|
|
nsPagePrintTimer* mPagePrintTimer;
|
|
nsIPageSequenceFrame* mPageSeqFrame;
|
|
|
|
// Print Preview
|
|
nsCOMPtr<nsIWidget> mParentWidget;
|
|
nsPrintData* mPrtPreview;
|
|
nsPrintData* mOldPrtPreview;
|
|
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
|
|
FILE* mDebugFile;
|
|
|
|
private:
|
|
nsPrintEngine& operator=(const nsPrintEngine& aOther); // not implemented
|
|
|
|
};
|
|
|
|
#endif /* nsPrintEngine_h___ */
|