LCOV - code coverage report
Current view: directory - layout/printing - nsPagePrintTimer.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 58 0 0.0 %
Date: 2012-06-02 Functions: 11 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "nsPagePrintTimer.h"
      39                 : #include "nsIContentViewer.h"
      40                 : #include "nsIServiceManager.h"
      41                 : #include "nsPrintEngine.h"
      42                 : 
      43               0 : NS_IMPL_ISUPPORTS1(nsPagePrintTimer, nsITimerCallback)
      44                 : 
      45               0 : nsPagePrintTimer::nsPagePrintTimer() :
      46                 :   mPrintEngine(nsnull),
      47                 :   mDelay(0),
      48                 :   mFiringCount(0),
      49               0 :   mPrintObj(nsnull)
      50                 : {
      51               0 : }
      52                 : 
      53               0 : nsPagePrintTimer::~nsPagePrintTimer()
      54                 : {
      55                 :   // "Destroy" the document viewer; this normally doesn't actually
      56                 :   // destroy it because of the IncrementDestroyRefCount call below
      57                 :   // XXX This is messy; the document viewer should use a single approach
      58                 :   // to keep itself alive during printing
      59               0 :   nsCOMPtr<nsIContentViewer> cv(do_QueryInterface(mDocViewerPrint));
      60               0 :   if (cv) {
      61               0 :     cv->Destroy();
      62                 :   }
      63               0 : }
      64                 : 
      65                 : nsresult 
      66               0 : nsPagePrintTimer::StartTimer(bool aUseDelay)
      67                 : {
      68                 :   nsresult result;
      69               0 :   mTimer = do_CreateInstance("@mozilla.org/timer;1", &result);
      70               0 :   if (NS_FAILED(result)) {
      71               0 :     NS_WARNING("unable to start the timer");
      72                 :   } else {
      73               0 :     PRUint32 delay = 0;
      74               0 :     if (aUseDelay) {
      75               0 :       if (mFiringCount < 10) {
      76                 :         // Longer delay for the few first pages.
      77               0 :         delay = mDelay + ((10 - mFiringCount) * 100);
      78                 :       } else {
      79               0 :         delay = mDelay;
      80                 :       }
      81                 :     }
      82               0 :     mTimer->InitWithCallback(this, delay, nsITimer::TYPE_ONE_SHOT);
      83                 :   }
      84               0 :   return result;
      85                 : }
      86                 : 
      87                 : 
      88                 : 
      89                 : // nsITimerCallback
      90                 : NS_IMETHODIMP
      91               0 : nsPagePrintTimer::Notify(nsITimer *timer)
      92                 : {
      93               0 :   if (mDocViewerPrint) {
      94               0 :     bool initNewTimer = true;
      95                 :     // Check to see if we are done
      96                 :     // inRange will be true if a page is actually printed
      97                 :     bool inRange;
      98                 :     // donePrinting will be true if it completed successfully or
      99                 :     // if the printing was cancelled
     100               0 :     bool donePrinting = mPrintEngine->PrintPage(mPrintObj, inRange);
     101               0 :     if (donePrinting) {
     102                 :       // now clean up print or print the next webshell
     103               0 :       if (mPrintEngine->DonePrintingPages(mPrintObj, NS_OK)) {
     104               0 :         initNewTimer = false;
     105                 :       }
     106                 :     }
     107                 : 
     108                 :     // Note that the Stop() destroys this after the print job finishes
     109                 :     // (The PrintEngine stops holding a reference when DonePrintingPages
     110                 :     // returns true.)
     111               0 :     Stop(); 
     112               0 :     if (initNewTimer) {
     113               0 :       ++mFiringCount;
     114               0 :       nsresult result = StartTimer(inRange);
     115               0 :       if (NS_FAILED(result)) {
     116               0 :         donePrinting = true;     // had a failure.. we are finished..
     117               0 :         mPrintEngine->SetIsPrinting(false);
     118                 :       }
     119                 :     }
     120                 :   }
     121               0 :   return NS_OK;
     122                 : }
     123                 : 
     124                 : void 
     125               0 : nsPagePrintTimer::Init(nsPrintEngine*          aPrintEngine,
     126                 :                        nsIDocumentViewerPrint* aDocViewerPrint,
     127                 :                        PRUint32                aDelay)
     128                 : {
     129               0 :   mPrintEngine     = aPrintEngine;
     130               0 :   mDocViewerPrint  = aDocViewerPrint;
     131               0 :   mDelay           = aDelay;
     132                 : 
     133               0 :   mDocViewerPrint->IncrementDestroyRefCount();
     134               0 : }
     135                 : 
     136                 : nsresult 
     137               0 : nsPagePrintTimer::Start(nsPrintObject* aPO)
     138                 : {
     139               0 :   mPrintObj = aPO;
     140               0 :   return StartTimer(false);
     141                 : }
     142                 : 
     143                 : 
     144                 : void  
     145               0 : nsPagePrintTimer::Stop()
     146                 : {
     147               0 :   if (mTimer) {
     148               0 :     mTimer->Cancel();
     149               0 :     mTimer = nsnull;
     150                 :   }
     151               0 : }
     152                 : 
     153               0 : nsresult NS_NewPagePrintTimer(nsPagePrintTimer **aResult)
     154                 : {
     155                 : 
     156               0 :   NS_PRECONDITION(aResult, "null param");
     157                 : 
     158               0 :   nsPagePrintTimer* result = new nsPagePrintTimer;
     159                 : 
     160               0 :   if (!result) {
     161               0 :     *aResult = nsnull;
     162               0 :     return NS_ERROR_OUT_OF_MEMORY;
     163                 :   }
     164                 : 
     165               0 :   NS_ADDREF(result);
     166               0 :   *aResult = result;
     167                 : 
     168               0 :   return NS_OK;
     169                 : }
     170                 : 

Generated by: LCOV version 1.7