gfx/src/thebes/nsThebesGfxFactory.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   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 thebes gfx
  16  *
  17  * The Initial Developer of the Original Code is
  18  * mozilla.org.
  19  * Portions created by the Initial Developer are Copyright (C) 2005
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Vladimir Vukicevic <vladimir@pobox.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include "nsIGenericFactory.h"
  40 #include "nsIModule.h"
  41 #include "nsCOMPtr.h"
  42 #include "nsGfxCIID.h"
  43
  44 #include "nsScriptableRegion.h"
  45 #include "gfxImageFrame.h"
  46
  47 #include "nsThebesDeviceContext.h"
  48 #include "nsThebesRenderingContext.h"
  49 #include "nsThebesImage.h"
  50 #include "nsThebesRegion.h"
  51 #include "nsThebesFontMetrics.h"
  52 #include "nsThebesFontEnumerator.h"
  53 #include "gfxPlatform.h"
  54
  55 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesFontMetrics)
  56 NS_GENERIC_FACTORY_CONSTRUCTOR(gfxImageFrame)
  57 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesDeviceContext)
  58 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesRenderingContext)
  59 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesImage)
  60 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesRegion)
  61 NS_GENERIC_FACTORY_CONSTRUCTOR(nsThebesFontEnumerator)
  62
  63 static NS_IMETHODIMP nsScriptableRegionConstructor(nsISupports *aOuter, REFNSIID aIID, void **aResult)
  64 {
  65   nsresult rv;
  66
  67   nsIScriptableRegion *inst = nsnull;
  68
  69   if ( !aResult )
  70   {
  71     rv = NS_ERROR_NULL_POINTER;
  72     return rv;
  73   }
  74   *aResult = nsnull;
  75   if (aOuter)
  76   {
  77     rv = NS_ERROR_NO_AGGREGATION;
  78     return rv;
  79   }
  80
  81   nsCOMPtr <nsIRegion> rgn;
  82   NS_NEWXPCOM(rgn, nsThebesRegion);
  83   nsCOMPtr<nsIScriptableRegion> scriptableRgn;
  84   if (rgn != nsnull)
  85   {
  86     scriptableRgn = new nsScriptableRegion(rgn);
  87     inst = scriptableRgn;
  88   }
  89   if (!inst)
  90   {
  91     rv = NS_ERROR_OUT_OF_MEMORY;
  92     return rv;
  93   }
  94   NS_ADDREF(inst);
  95   // release our variable above now that we have created our owning
  96   // reference - we don't want this to go out of scope early!
  97   scriptableRgn = nsnull;
  98   rv = inst->QueryInterface(aIID, aResult);
  99   NS_RELEASE(inst);
 100
 101   return rv;
 102 }
 103
 104 static const nsModuleComponentInfo components[] =
 105 {
 106   { "Thebes nsFontMetrics",
 107     NS_FONT_METRICS_CID,
 108     "@mozilla.org/gfx/fontmetrics;1",
 109     nsThebesFontMetricsConstructor },
 110   { "Thebes Font Enumerator",
 111     NS_FONT_ENUMERATOR_CID,
 112     "@mozilla.org/gfx/fontenumerator;1",
 113     nsThebesFontEnumeratorConstructor },
 114   { "Thebes Device Context",
 115     NS_DEVICE_CONTEXT_CID,
 116     "@mozilla.org/gfx/devicecontext;1",
 117     nsThebesDeviceContextConstructor },
 118   { "Thebes Rendering Context",
 119     NS_RENDERING_CONTEXT_CID,
 120     "@mozilla.org/gfx/renderingcontext;1",
 121     nsThebesRenderingContextConstructor },
 122   { "Thebes nsImage",
 123     NS_IMAGE_CID,
 124     "@mozilla.org/gfx/image;1",
 125     nsThebesImageConstructor },
 126   { "Thebes Region",
 127     NS_REGION_CID,
 128     "@mozilla.org/gfx/region/nsThebes;1",
 129     nsThebesRegionConstructor },
 130   { "Scriptable Region",
 131     NS_SCRIPTABLE_REGION_CID,
 132     "@mozilla.org/gfx/region;1",
 133     nsScriptableRegionConstructor },
 134   { "image frame",
 135     GFX_IMAGEFRAME_CID,
 136     "@mozilla.org/gfx/image/frame;2",
 137     gfxImageFrameConstructor },
 138 };
 139
 140 static nsresult
 141 nsThebesGfxModuleCtor(nsIModule *self)
 142 {
 143     return gfxPlatform::Init();
 144 }
 145
 146 static void
 147 nsThebesGfxModuleDtor(nsIModule *self)
 148 {
 149     nsThebesDeviceContext::Shutdown();
 150     gfxPlatform::Shutdown();
 151 }
 152
 153 NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(nsGfxModule, components,
 154                                    nsThebesGfxModuleCtor, nsThebesGfxModuleDtor)