LCOV - code coverage report
Current view: directory - content/canvas/src - DocumentRendererChild.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 27 0 0.0 %
Date: 2012-06-02 Functions: 4 0 0.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is Fennec Electrolysis.
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is
      17                 :  *   The Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2009
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "mozilla/ipc/DocumentRendererChild.h"
      38                 : 
      39                 : #include "base/basictypes.h"
      40                 : 
      41                 : #include "gfxImageSurface.h"
      42                 : #include "gfxPattern.h"
      43                 : #include "nsPIDOMWindow.h"
      44                 : #include "nsIDOMWindow.h"
      45                 : #include "nsIDOMDocument.h"
      46                 : #include "nsIDocShellTreeNode.h"
      47                 : #include "nsIDocShellTreeItem.h"
      48                 : #include "nsIDocument.h"
      49                 : #include "nsIInterfaceRequestorUtils.h"
      50                 : #include "nsComponentManagerUtils.h"
      51                 : #include "nsCSSParser.h"
      52                 : #include "nsPresContext.h"
      53                 : #include "nsCOMPtr.h"
      54                 : #include "nsColor.h"
      55                 : #include "gfxContext.h"
      56                 : #include "gfxImageSurface.h"
      57                 : #include "nsLayoutUtils.h"
      58                 : #include "nsContentUtils.h"
      59                 : 
      60                 : using namespace mozilla::ipc;
      61                 : 
      62               0 : DocumentRendererChild::DocumentRendererChild()
      63               0 : {}
      64                 : 
      65               0 : DocumentRendererChild::~DocumentRendererChild()
      66               0 : {}
      67                 : 
      68                 : bool
      69               0 : DocumentRendererChild::RenderDocument(nsIDOMWindow *window,
      70                 :                                       const nsRect& documentRect,
      71                 :                                       const gfxMatrix& transform,
      72                 :                                       const nsString& bgcolor,
      73                 :                                       PRUint32 renderFlags,
      74                 :                                       bool flushLayout, 
      75                 :                                       const nsIntSize& renderSize,
      76                 :                                       nsCString& data)
      77                 : {
      78               0 :     if (flushLayout)
      79               0 :         nsContentUtils::FlushLayoutForTree(window);
      80                 : 
      81               0 :     nsCOMPtr<nsPresContext> presContext;
      82               0 :     nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(window);
      83               0 :     if (win) {
      84               0 :         nsIDocShell* docshell = win->GetDocShell();
      85               0 :         if (docshell) {
      86               0 :             docshell->GetPresContext(getter_AddRefs(presContext));
      87                 :         }
      88                 :     }
      89               0 :     if (!presContext)
      90               0 :         return false;
      91                 : 
      92                 :     nscolor bgColor;
      93               0 :     nsCSSParser parser;
      94               0 :     nsresult rv = parser.ParseColorString(bgcolor, nsnull, 0, &bgColor);
      95               0 :     if (NS_FAILED(rv))
      96               0 :         return false;
      97                 : 
      98               0 :     nsIPresShell* presShell = presContext->PresShell();
      99                 : 
     100                 :     // Draw directly into the output array.
     101               0 :     data.SetLength(renderSize.width * renderSize.height * 4);
     102                 : 
     103                 :     nsRefPtr<gfxImageSurface> surf =
     104               0 :         new gfxImageSurface(reinterpret_cast<uint8*>(data.BeginWriting()),
     105                 :                             gfxIntSize(renderSize.width, renderSize.height),
     106                 :                             4 * renderSize.width,
     107               0 :                             gfxASurface::ImageFormatARGB32);
     108               0 :     nsRefPtr<gfxContext> ctx = new gfxContext(surf);
     109               0 :     ctx->SetMatrix(transform);
     110                 : 
     111               0 :     presShell->RenderDocument(documentRect, renderFlags, bgColor, ctx);
     112                 : 
     113               0 :     return true;
     114                 : }

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