LCOV - code coverage report
Current view: directory - layout/printing - nsPrintObject.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 58 0 0.0 %
Date: 2012-06-02 Functions: 4 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 "nsPrintObject.h"
      39                 : #include "nsIContentViewer.h"
      40                 : #include "nsIDOMDocument.h"
      41                 : #include "nsContentUtils.h"
      42                 : #include "nsIInterfaceRequestorUtils.h"
      43                 : #include "nsPIDOMWindow.h"
      44                 : #include "nsGkAtoms.h"
      45                 : #include "nsComponentManagerUtils.h"
      46                 : #include "nsIDocShellTreeItem.h"
      47                 : #include "nsIBaseWindow.h"
      48                 :                                                    
      49                 : //---------------------------------------------------
      50                 : //-- nsPrintObject Class Impl
      51                 : //---------------------------------------------------
      52               0 : nsPrintObject::nsPrintObject() :
      53                 :   mContent(nsnull), mFrameType(eFrame), mParent(nsnull),
      54                 :   mHasBeenPrinted(false), mDontPrint(true), mPrintAsIs(false),
      55                 :   mSharedPresShell(false), mInvisible(false), mDidCreateDocShell(false),
      56               0 :   mShrinkRatio(1.0), mZoomRatio(1.0)
      57                 : {
      58               0 :   MOZ_COUNT_CTOR(nsPrintObject);
      59               0 : }
      60                 : 
      61                 : 
      62               0 : nsPrintObject::~nsPrintObject()
      63                 : {
      64               0 :   MOZ_COUNT_DTOR(nsPrintObject);
      65               0 :   for (PRUint32 i=0;i<mKids.Length();i++) {
      66               0 :     nsPrintObject* po = mKids[i];
      67               0 :     delete po;
      68                 :   }
      69                 : 
      70               0 :   DestroyPresentation();
      71               0 :   if (mDidCreateDocShell && mDocShell) {
      72               0 :     nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(mDocShell));
      73               0 :     if (baseWin) {
      74               0 :       baseWin->Destroy();
      75                 :     }
      76                 :   }                            
      77               0 :   mDocShell = nsnull;
      78               0 :   mTreeOwner = nsnull; // mTreeOwner must be released after mDocShell; 
      79               0 : }
      80                 : 
      81                 : //------------------------------------------------------------------
      82                 : nsresult 
      83               0 : nsPrintObject::Init(nsIDocShell* aDocShell, nsIDOMDocument* aDoc,
      84                 :                     bool aPrintPreview)
      85                 : {
      86               0 :   mPrintPreview = aPrintPreview;
      87                 : 
      88               0 :   if (mPrintPreview || mParent) {
      89               0 :     mDocShell = aDocShell;
      90                 :   } else {
      91               0 :     mTreeOwner = do_GetInterface(aDocShell);
      92               0 :     nsCOMPtr<nsIDocShellTreeItem> item = do_QueryInterface(aDocShell);
      93               0 :     PRInt32 itemType = 0;
      94               0 :     item->GetItemType(&itemType);
      95                 :     // Create a container docshell for printing.
      96               0 :     mDocShell = do_CreateInstance("@mozilla.org/docshell;1");
      97               0 :     NS_ENSURE_TRUE(mDocShell, NS_ERROR_OUT_OF_MEMORY);
      98               0 :     mDidCreateDocShell = true;
      99               0 :     nsCOMPtr<nsIDocShellTreeItem> newItem = do_QueryInterface(mDocShell);
     100               0 :     newItem->SetItemType(itemType);
     101               0 :     newItem->SetTreeOwner(mTreeOwner);
     102                 :   }
     103               0 :   NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
     104                 : 
     105               0 :   nsCOMPtr<nsIDOMDocument> dummy = do_GetInterface(mDocShell);
     106               0 :   nsCOMPtr<nsIContentViewer> viewer;
     107               0 :   mDocShell->GetContentViewer(getter_AddRefs(viewer));
     108               0 :   NS_ENSURE_STATE(viewer);
     109                 : 
     110               0 :   nsCOMPtr<nsIDocument> doc = do_QueryInterface(aDoc);
     111               0 :   NS_ENSURE_STATE(doc);
     112                 : 
     113               0 :   if (mParent) {
     114               0 :     nsCOMPtr<nsPIDOMWindow> window = doc->GetWindow();
     115               0 :     if (window) {
     116               0 :       mContent = do_QueryInterface(window->GetFrameElementInternal());
     117                 :     }
     118               0 :     mDocument = doc;
     119               0 :     return NS_OK;
     120                 :   }
     121                 : 
     122               0 :   mDocument = doc->CreateStaticClone(mDocShell);
     123               0 :   nsCOMPtr<nsIDOMDocument> clonedDOMDoc = do_QueryInterface(mDocument);
     124               0 :   NS_ENSURE_STATE(clonedDOMDoc);
     125                 : 
     126               0 :   viewer->SetDOMDocument(clonedDOMDoc);
     127               0 :   return NS_OK;
     128                 : }
     129                 : 
     130                 : //------------------------------------------------------------------
     131                 : // Resets PO by destroying the presentation
     132                 : void 
     133               0 : nsPrintObject::DestroyPresentation()
     134                 : {
     135               0 :   mPresContext = nsnull;
     136               0 :   if (mPresShell) {
     137               0 :     mPresShell->EndObservingDocument();
     138               0 :     nsAutoScriptBlocker scriptBlocker;
     139               0 :     mPresShell->Destroy();
     140                 :   }
     141               0 :   mPresShell   = nsnull;
     142               0 :   mViewManager = nsnull;
     143               0 : }
     144                 : 

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