gecko-dev/xpcom/sample/nsSampleModule.cpp

132 lines
5.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Suresh Duddu <dp@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* decision by deleting the provisions above and replace them with the notice
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*
* ***** END LICENSE BLOCK ***** */
#include "nsIGenericFactory.h"
#include "nsSample.h"
////////////////////////////////////////////////////////////////////////
// NOTE this file supercedes nsSampleFactory.cpp. nsSampleFactory has
// extensive comments, but it has been CVS removed to reduce clutter
// in this sample. It's available to the interested via CVS history:
// cvs up nsSampleFactory.cpp -r 1.10
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// With the below sample, you can define an implementation glue
// that talks with xpcom for creation of component nsSampleImpl
// that implement the interface nsISample. This can be extended for
// any number of components.
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
// Define the contructor function for the object nsSampleImpl
//
// What this does is defines a function nsSampleImplConstructor which we
// will specific in the nsModuleComponentInfo table. This function will
// be used by the generic factory to create an instance of nsSampleImpl.
//
// NOTE: This creates an instance of nsSampleImpl by using the default
// constructor nsSampleImpl::nsSampleImpl()
//
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSampleImpl)
////////////////////////////////////////////////////////////////////////
// Define a table of CIDs implemented by this module along with other
// information like the function to create an instance, contractid, and
// class name.
//
// The Registration and Unregistration proc are optional in the structure.
//
static NS_METHOD nsSampleRegistrationProc(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const char *componentType,
const nsModuleComponentInfo *info)
{
// Do any registration specific activity like adding yourself to a
// category. The Generic Module will take care of registering your
// component with xpcom. You dont need to do that. Only any component
// specific additional activity needs to be done here.
// This functions is optional. If you dont need it, dont add it to the structure.
return NS_OK;
}
static NS_METHOD nsSampleUnregistrationProc(nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const nsModuleComponentInfo *info)
{
// Undo any component specific registration like adding yourself to a
// category here. The Generic Module will take care of unregistering your
// component from xpcom. You dont need to do that. Only any component
// specific additional activity needs to be done here.
// This functions is optional. If you dont need it, dont add it to the structure.
// Return value is not used from this function.
return NS_OK;
}
// For each class that wishes to support nsIClassInfo, add a line like this
NS_DECL_CLASSINFO(nsSampleImpl)
static nsModuleComponentInfo components[] =
{
{ "Sample Component", NS_SAMPLE_CID, NS_SAMPLE_CONTRACTID, nsSampleImplConstructor,
nsSampleRegistrationProc /* NULL if you dont need one */,
nsSampleUnregistrationProc /* NULL if you dont need one */,
NULL /* no factory destructor */,
NS_CI_INTERFACE_GETTER_NAME(nsSampleImpl),
NULL /* no language helper */,
&NS_CLASSINFO_NAME(nsSampleImpl)
}
};
////////////////////////////////////////////////////////////////////////
// Implement the NSGetModule() exported function for your module
// and the entire implementation of the module object.
//
// NOTE: If you want to use the module shutdown to release any
// module specific resources, use the macro
// NS_IMPL_NSGETMODULE_WITH_DTOR() instead of the vanilla
// NS_IMPL_NSGETMODULE()
//
NS_IMPL_NSGETMODULE(nsSampleModule, components)