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lightning-sunbird  0.9+nobinonly
nsVCardFactory.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
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00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #include "nsIGenericFactory.h"
00039 
00040 /* Include all of the interfaces our factory can generate components for */
00041 #include "nsMimeContentTypeHandler.h"
00042 
00043 /*
00044  * These functions are the public interface for this content type
00045  * handler and will be called in by the mime component.
00046  */
00047 #define      VCARD_CONTENT_TYPE  "text/x-vcard"
00048 
00050 // Define the contructor function for the CID
00051 //
00052 // What this does is defines a function nsMimeContentTypeHandlerConstructor
00053 // which we will specific in the nsModuleComponentInfo table. This function will
00054 // be used by the generic factory to create an instance.
00055 //
00056 // NOTE: This creates an instance by using the default constructor
00057 //
00058 //NS_GENERIC_FACTORY_CONSTRUCTOR(nsMimeContentTypeHandler) 
00059 extern "C" MimeObjectClass *
00060 MIME_VCardCreateContentTypeHandlerClass(const char *content_type, 
00061                                         contentTypeHandlerInitStruct *initStruct);
00062 
00063 static NS_IMETHODIMP
00064 nsVCardMimeContentTypeHandlerConstructor(nsISupports *aOuter,
00065                                          REFNSIID aIID,
00066                                          void **aResult)
00067 {
00068   nsresult rv;
00069   nsMimeContentTypeHandler *inst = nsnull;
00070 
00071   if (NULL == aResult) {
00072     rv = NS_ERROR_NULL_POINTER;
00073     return rv;
00074   }
00075   *aResult = NULL;
00076   if (NULL != aOuter) {
00077     rv = NS_ERROR_NO_AGGREGATION;
00078     return rv;
00079   }
00080   inst = new nsMimeContentTypeHandler(VCARD_CONTENT_TYPE, 
00081                                       &MIME_VCardCreateContentTypeHandlerClass);
00082   if (inst == NULL) {
00083     return NS_ERROR_OUT_OF_MEMORY;
00084   }
00085   NS_ADDREF(inst);
00086   rv = inst->QueryInterface(aIID,aResult);
00087   NS_RELEASE(inst);
00088 
00089   return rv;
00090 }
00091 
00093 // Define a table of CIDs implemented by this module along with other
00094 // information like the function to create an instance, contractid, and
00095 // class name.
00096 //
00097 static const nsModuleComponentInfo components[] =
00098 {
00099   { "MIME VCard Handler", NS_VCARD_CONTENT_TYPE_HANDLER_CID, "@mozilla.org/mimecth;1?type=text/x-vcard",
00100     nsVCardMimeContentTypeHandlerConstructor, }
00101 };
00102 
00104 // Implement the NSGetModule() exported function for your module
00105 // and the entire implementation of the module object.
00106 //
00107 NS_IMPL_NSGETMODULE(nsVCardModule, components)
00108