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New changes for factory self registration.

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git-svn-id: svn://10.0.0.236/trunk@20290 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
rhp%netscape.com 1999-02-10 21:38:47 +00:00
parent 8f2154011e
commit abda00a8fc
1 changed files with 37 additions and 3 deletions
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40
mozilla/mailnews/mime/src/nsMimeFactory.cpp
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@ -16,8 +16,10 @@
* Reserved.
*/
#include "pratom.h"
#include "nsIFactory.h"
#include "nsISupports.h"
#include "nsRepository.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
@ -35,6 +37,8 @@ static NS_DEFINE_IID(kCMimeMimeObjectClassAccessCID, NS_MIME_OBJECT_CLASS_ACCE
////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////
static PRInt32 g_LockCount = 0;
static PRInt32 g_InstanceCount = 0;
class nsMimeFactory : public nsIFactory
{
@ -42,11 +46,11 @@ class nsMimeFactory : public nsIFactory
// nsISupports methods
NS_DECL_ISUPPORTS
nsMimeFactory(const nsCID &aClass);
nsMimeFactory(const nsCID &aClass);
// nsIFactory methods
NS_IMETHOD CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
NS_IMETHOD LockFactory(PRBool aLock);
protected:
virtual ~nsMimeFactory();
@ -137,7 +141,12 @@ nsresult nsMimeFactory::CreateInstance(nsISupports *aOuter, const nsIID &aIID, v
nsresult nsMimeFactory::LockFactory(PRBool aLock)
{
// Not implemented in simplest case.
if (aLock) {
PR_AtomicIncrement(&g_LockCount);
} else {
PR_AtomicDecrement(&g_LockCount);
}
return NS_OK;
}
@ -158,3 +167,28 @@ extern "C" NS_EXPORT nsresult NSGetFactory(const nsCID &aClass,
else
return NS_ERROR_OUT_OF_MEMORY;
}
extern "C" NS_EXPORT PRBool NSCanUnload()
{
return PRBool(g_InstanceCount == 0 && g_LockCount == 0);
}
extern "C" NS_EXPORT nsresult NSRegisterSelf(const char *path)
{
printf("*** Mime being registered\n");
nsRepository::RegisterFactory(kCMimeMimeObjectClassAccessCID, path,
PR_TRUE, PR_TRUE);
nsRepository::RegisterFactory(kCMimeRFC822HTMLConverterCID, path,
PR_TRUE, PR_TRUE);
return NS_OK;
}
extern "C" NS_EXPORT nsresult NSUnregisterSelf(const char *path)
{
printf("*** Mime being unregistered\n");
nsRepository::UnregisterFactory(kCMimeMimeObjectClassAccessCID, path);
nsRepository::UnregisterFactory(kCMimeRFC822HTMLConverterCID, path);
return NS_OK;
}