Changes to turn gfxps into a true component. Thanks to alecf@netscape.com

for providing the base patch.

gfx/src/ps/nsGfxFactoryPS.cpp

@@ -0,0 +1,168 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nscore.h"
+#include "nsIFactory.h"
+#include "nsDeviceContextPS.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsGfxPSCID.h"
+
+#include "nsCOMPtr.h"
+
+static NS_DEFINE_CID(kCDeviceContextPS, NS_DEVICECONTEXTPS_CID);
+static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
+
+class nsGfxFactoryPS : public nsIFactory
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  NS_IMETHOD CreateInstance(nsISupports *aOuter,
+                            const nsIID &aIID,
+                            void **aResult);
+
+  NS_IMETHOD LockFactory(PRBool aLock);
+
+  nsGfxFactoryPS(const nsCID &aClass);
+  virtual ~nsGfxFactoryPS();
+
+private:
+  nsCID mClassID;
+
+};
+
+nsGfxFactoryPS::nsGfxFactoryPS(const nsCID &aClass) :
+  mRefCnt(0),
+  mClassID(aClass)
+{   
+}   
+
+nsGfxFactoryPS::~nsGfxFactoryPS()   
+{   
+  NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");   
+}   
+
+NS_IMPL_ISUPPORTS(nsGfxFactoryPS, nsIFactory::GetIID())
+
+
+NS_IMETHODIMP
+nsGfxFactoryPS::CreateInstance(nsISupports *aOuter,  
+                                const nsIID &aIID,  
+                                void **aResult)  
+{  
+  if (aResult == nsnull) {  
+    return NS_ERROR_NULL_POINTER;  
+  }  
+
+  *aResult = nsnull;  
+  
+  nsISupports *inst = nsnull;
+
+  if (mClassID.Equals(kCDeviceContextPS)) {
+    inst = (nsISupports *)(nsIDeviceContextPS*)new nsDeviceContextPS();
+  }
+
+  if (inst == nsnull) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  nsresult rv = inst->QueryInterface(aIID, aResult);
+
+  if (rv != NS_OK) {
+    delete inst;
+  }
+
+  return rv;
+  
+}
+
+nsresult nsGfxFactoryPS::LockFactory(PRBool aLock)
+{
+  // Not implemented in simplest case.  
+  return NS_OK;
+}
+
+nsresult
+NSGetFactory(nsISupports* servMgr,
+             const nsCID &aClass,
+             const char *aClassName,
+             const char *aProgID,
+             nsIFactory **aFactory)
+{
+  if (nsnull == aFactory) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  *aFactory = new nsGfxFactoryPS(aClass);
+
+  if (nsnull == aFactory) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  return (*aFactory)->QueryInterface(nsIFactory::GetIID(), (void**)aFactory);
+  
+}
+
+PRBool
+NSCanUnload(nsISupports* aServMgr)
+{
+  return PR_TRUE;
+}
+
+nsresult
+NSRegisterSelf(nsISupports* aServMgr, const char *fullpath)
+{
+  nsresult rv;
+
+#ifdef NS_DEBUG
+  printf("*** Registering GFX Postscript\n");
+#endif
+
+  nsCOMPtr<nsIServiceManager>
+    serviceManager(do_QueryInterface(aServMgr, &rv));
+  if (NS_FAILED(rv)) return rv;
+  
+  NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+  rv = compMgr->RegisterComponent(kCDeviceContextPS,
+                                  "GFX Postscript Device Context",
+                                  "component://netscape/gfx/devicecontext/ps",
+                                  fullpath,
+                                  PR_TRUE, PR_TRUE);
+  
+  return rv;
+}
+
+nsresult
+NSUnregisterSelf(nsISupports* aServMgr, const char *fullpath)
+{
+
+  nsresult rv;
+  nsCOMPtr<nsIServiceManager>
+    serviceManager(do_QueryInterface(aServMgr, &rv));
+  if (NS_FAILED(rv)) return rv;
+  
+  NS_WITH_SERVICE(nsIComponentManager, compMgr, kComponentManagerCID, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+  compMgr->UnregisterComponent(kCDeviceContextPS, fullpath);
+  
+  return NS_OK;
+}

gfx/src/ps/nsGfxPSCID.h

@@ -0,0 +1,27 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsGfxFactoryPS_h__
+#define nsGfxFactoryPS_h__
+
+/* {4c2bb896-13c9-11d3-9304-006008948010} */
+#define NS_DEVICECONTEXTPS_CID \
+  {0x4c2bb896, 0x13c9, 0x11d3, \
+    {0x93, 0x04, 0x00, 0x60, 0x08, 0x94, 0x80, 0x10}}
+
+#endif

gfx/src/ps/nsIDeviceContextPS.h

@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsISupports.h"
+
+#ifndef __nsIDeviceContextPS_h
+#define __nsIDeviceContextPS_h
+
+/* {35efd8b6-13cc-11d3-9d3a-006008948010} */
+#define NS_IDEVICECONTEXTPS_IID \
+  {0x35efd8b6, 0x13cc, 0x11d3, \
+    {0x9d, 0x3a, 0x00, 0x60, 0x08, 0x94, 0x80, 0x10}}
+
+class nsIDeviceContextPS : public nsISupports
+{
+public:
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDEVICECONTEXTPS_IID);
+  
+  NS_IMETHOD SetSpec(nsIDeviceContextSpec *aSpec) = 0;
+
+  NS_IMETHOD InitDeviceContextPS(nsIDeviceContext *aCreatingDeviceContext,
+                                 nsIDeviceContext *aPrinterContext) = 0;
+};
+
+
+#endif