/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "MPL"); you may not use this file
 * except in compliance with the MPL. You may obtain a copy of
 * the MPL at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the MPL is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the MPL for the specific language governing
 * rights and limitations under the MPL.
 * 
 * The Original Code is XMLterm.
 * 
 * The Initial Developer of the Original Code is Ramalingam Saravanan.
 * Portions created by Ramalingam Saravanan <svn@xmlterm.org> are
 * Copyright (C) 1999 Ramalingam Saravanan. All Rights Reserved.
 * 
 * Contributor(s):
 */

// nsMsgPrintEngine.h: declaration of nsMsgPrintEngine class
// implementing mozISimpleContainer,
// which provides a DocShell container for use in simple programs
// using the layout engine

#include "nscore.h"
#include "nsCOMPtr.h"

#include "nsIDocShell.h"
#include "nsVoidArray.h"
#include "nsIDocShell.h"
#include "nsIMsgPrintEngine.h"
#include "nsIScriptGlobalObject.h"
#include "nsIStreamListener.h"
#include "nsIWebProgressListener.h"
#include "nsIMsgStatusFeedback.h"
#include "nsIStringBundle.h"
#include "nsIWebBrowserPrint.h"
#include "nsIWebProgressListener.h"
#include "nsWeakReference.h"
#include "nsIPrintSettings.h"
#include "nsIObserver.h"

// Progress Dialog
#include "nsIPrintProgress.h"
#include "nsIPrintProgressParams.h"
#include "nsIPrintingPromptService.h"

class nsMsgPrintEngine : public nsIMsgPrintEngine,
                         public nsIWebProgressListener,
                         public nsIObserver,
                         public nsSupportsWeakReference {

public:
  nsMsgPrintEngine();
  virtual ~nsMsgPrintEngine();

  // nsISupports
  NS_DECL_ISUPPORTS

  // nsIMsgPrintEngine interface
  NS_DECL_NSIMSGPRINTENGINE

  // For nsIWebProgressListener
  NS_DECL_NSIWEBPROGRESSLISTENER

  // For nsIObserver
  NS_DECL_NSIOBSERVER

  void PrintMsgWindow();
  NS_IMETHOD  StartNextPrintOperation();

protected:

  PRBool      FirePrintEvent();
  PRBool      FireStartNextEvent();
  NS_IMETHOD  FireThatLoadOperationStartup(nsString *uri);
  NS_IMETHOD  FireThatLoadOperation(nsString *uri);
  void        InitializeDisplayCharset();
  void        SetupObserver();
  nsresult    SetStatusMessage(PRUnichar *aMsgString);
  PRUnichar   *GetString(const PRUnichar *aStringName);
  nsresult    ShowProgressDialog(PRBool aIsForPrinting, PRBool& aDoNotify);

  nsCOMPtr<nsIDocShell>       mDocShell;
  nsCOMPtr<nsIDOMWindowInternal>      mWindow;
  nsCOMPtr<nsIDOMWindowInternal>      mParentWindow;
  PRInt32                     mURICount;
  nsStringArray               mURIArray;
  PRInt32                     mCurrentlyPrintingURI;

  nsCOMPtr<nsIContentViewer>  mContentViewer;
  nsCOMPtr<nsIStringBundle>   mStringBundle;    // String bundles...
  nsCOMPtr<nsIMsgStatusFeedback> mFeedback;     // Tell the user something why don't ya'
  nsCOMPtr<nsIWebBrowserPrint> mWebBrowserPrint;
  nsCOMPtr<nsIPrintSettings>   mPrintSettings;
  nsCOMPtr<nsIDOMWindow>       mMsgDOMWin;
  PRBool                       mIsDoingPrintPreview;
  nsCOMPtr<nsIObserver>        mStartupPPObs;
  PRInt32                      mMsgInx;

  // Progress Dialog
  
  nsCOMPtr<nsIPrintingPromptService> mPrintPromptService;
  nsCOMPtr<nsIWebProgressListener> mPrintProgressListener;
  nsCOMPtr<nsIPrintProgress>       mPrintProgress;
  nsCOMPtr<nsIPrintProgressParams> mPrintProgressParams;
  nsAutoString                     mLoadURI;
};