gecko-dev/modules/plugin/nglsrc/nsPluginFactory.cpp

138 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nscore.h"
#include "nsIFactory.h"
#include "nsCOMPtr.h"
//#include "nsPluginsCID.h"
#include "nsPluginHostImpl.h"
#include "nsIServiceManager.h"
#include "nsIPluginManager.h"
//static NS_DEFINE_IID(kCPluginHost, NS_PLUGIN_HOST_CID);
static NS_DEFINE_CID(kCPluginManagerCID, NS_PLUGINMANAGER_CID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_IID(kIServiceManagerIID, NS_ISERVICEMANAGER_IID);
class nsPluginFactory : public nsIFactory
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIFACTORY
nsPluginFactory(const nsCID &aClass, nsIServiceManager* serviceMgr);
protected:
virtual ~nsPluginFactory();
private:
nsCID mClassID;
nsIServiceManager *mserviceMgr;
};
nsPluginFactory :: nsPluginFactory(const nsCID &aClass, nsIServiceManager* serviceMgr)
{
NS_INIT_ISUPPORTS();
mClassID = aClass;
// XXX Are we sure about this weak reference. -dp
mserviceMgr = serviceMgr;
}
nsPluginFactory :: ~nsPluginFactory()
{
}
NS_IMPL_ISUPPORTS(nsPluginFactory, NS_GET_IID(nsIFactory))
nsresult nsPluginFactory :: CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult)
{
if (aResult == NULL) {
return NS_ERROR_NULL_POINTER;
}
if (aOuter) {
*aResult = nsnull;
return NS_ERROR_NO_AGGREGATION;
}
*aResult = NULL;
nsPluginHostImpl *inst = nsnull;
//if (mClassID.Equals(kCPluginHost) || mClassID.Equals(kCPluginManagerCID) ){
if (mClassID.Equals(kCPluginManagerCID) ) {
inst = new nsPluginHostImpl(mserviceMgr);
} else {
return NS_ERROR_NO_INTERFACE;
}
if (inst == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(inst); // Stabilize
nsresult res = inst->QueryInterface(aIID, aResult);
NS_RELEASE(inst); // Destabilize and avoid leaks. Avoid calling delete <interface pointer>
return res;
}
nsresult nsPluginFactory :: LockFactory(PRBool aLock)
{
// Not implemented in simplest case.
return NS_OK;
}
// return the proper factory to the caller
extern "C" NS_PLUGIN nsresult
NSGetFactory(nsISupports* serviceMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory)
{
if (nsnull == aFactory) {
return NS_ERROR_NULL_POINTER;
}
nsresult rv;
nsCOMPtr<nsIServiceManager> servMgr = do_QueryInterface(serviceMgr, &rv);
if (NS_FAILED(rv)) return rv;
*aFactory = new nsPluginFactory(aClass, servMgr);
if (nsnull == aFactory) {
return NS_ERROR_OUT_OF_MEMORY;
}
return (*aFactory)->QueryInterface(kIFactoryIID, (void**)aFactory);
}