- Converting to Generic Module

- Removing unneccessary IID and CID defines
r=waterson
This commit is contained in:
dp%netscape.com 2000-01-28 09:21:54 +00:00
parent f5cb07fa25
commit 5e21feaad4

View File

@ -45,10 +45,7 @@
#include "rdf.h"
#include "nsCRT.h"
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
static NS_DEFINE_CID(kRegistryViewerCID, NS_REGISTRYVIEWER_CID);
static NS_DEFINE_CID(kRegistryCID, NS_REGISTRY_CID);
#define NS_REGISTRY_NAMESPACE_URI "urn:mozilla-registry:"
@ -860,227 +857,15 @@ nsRegistryDataSource::SubkeyEnumerator::GetNext(nsISupports** _retval)
}
//------------------------------------------------------------------------
//
// Module implementation
class nsRegistryDataSourceModule : public nsIModule
{
public:
nsRegistryDataSourceModule();
virtual ~nsRegistryDataSourceModule();
NS_DECL_ISUPPORTS
NS_DECL_NSIMODULE
protected:
nsresult Initialize();
void Shutdown();
PRBool mInitialized;
nsCOMPtr<nsIGenericFactory> mFactory;
};
//----------------------------------------------------------------------
// Functions used to create new instances of a given object by the
// generic factory.
nsRegistryDataSourceModule::nsRegistryDataSourceModule()
: mInitialized(PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
nsRegistryDataSourceModule::~nsRegistryDataSourceModule()
{
Shutdown();
}
NS_IMPL_ISUPPORTS(nsRegistryDataSourceModule, NS_GET_IID(nsIModule))
// Perform our one-time intialization for this module
nsresult
nsRegistryDataSourceModule::Initialize()
{
if (mInitialized) {
return NS_OK;
}
mInitialized = PR_TRUE;
return NS_OK;
}
// Shutdown this module, releasing all of the module resources
void
nsRegistryDataSourceModule::Shutdown()
{
// Release the factory object
mFactory = nsnull;
}
// Create a factory object for creating instances of aClass.
NS_IMETHODIMP
nsRegistryDataSourceModule::GetClassObject(nsIComponentManager *aCompMgr,
const nsCID& aClass,
const nsIID& aIID,
void** r_classObj)
{
nsresult rv;
// Defensive programming: Initialize *r_classObj in case of error below
if (!r_classObj) {
return NS_ERROR_INVALID_POINTER;
}
*r_classObj = NULL;
// Do one-time-only initialization if necessary
if (!mInitialized) {
rv = Initialize();
if (NS_FAILED(rv)) {
// Initialization failed! yikes!
return rv;
}
}
// Choose the appropriate factory, based on the desired instance
// class type (aClass).
nsCOMPtr<nsIGenericFactory> fact;
if (aClass.Equals(kRegistryViewerCID)) {
if (!mFactory) {
// Create and save away the factory object for creating
// new instances of RegistryDataSource. This way if we are called
// again for the factory, we won't need to create a new
// one.
rv = NS_NewGenericFactory(getter_AddRefs(mFactory),
nsRegistryDataSource::Create);
}
fact = mFactory;
}
else {
rv = NS_ERROR_FACTORY_NOT_REGISTERED;
#ifdef DEBUG
char* cs = aClass.ToString();
printf("+++ nsRegistryDataSourceModule: unable to create factory for %s\n", cs);
nsCRT::free(cs);
#endif
}
if (fact) {
rv = fact->QueryInterface(aIID, r_classObj);
}
return rv;
}
//----------------------------------------
struct Components {
const char* mDescription;
const nsID* mCID;
const char* mProgID;
};
//
// The list of components we register
static Components gComponents[] = {
{ "Registry Viewer", &kRegistryViewerCID,
"component://netscape/registry-viewer", },
static nsModuleComponentInfo components[] = {
{ "Registry Viewer", NS_REGISTRYVIEWER_CID,
"component://netscape/registry-viewer", nsRegistryDataSource::Create,
},
};
#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
NS_IMETHODIMP
nsRegistryDataSourceModule::RegisterSelf(nsIComponentManager *aCompMgr,
nsIFile* aPath,
const char* registryLocation,
const char* componentType)
{
nsresult rv = NS_OK;
#ifdef DEBUG
printf("*** Registering RegistryDataSource components\n");
#endif
Components* cp = gComponents;
Components* end = cp + NUM_COMPONENTS;
while (cp < end) {
rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
cp->mProgID, aPath, PR_TRUE,
PR_TRUE);
if (NS_FAILED(rv)) {
#ifdef DEBUG
printf("nsRegistryDataSourceModule: unable to register %s component => %x\n",
cp->mDescription, rv);
#endif
break;
}
cp++;
}
return rv;
}
NS_IMETHODIMP
nsRegistryDataSourceModule::UnregisterSelf(nsIComponentManager* aCompMgr,
nsIFile* aPath,
const char* registryLocation)
{
#ifdef DEBUG
printf("*** Unregistering RegistryDataSource components\n");
#endif
Components* cp = gComponents;
Components* end = cp + NUM_COMPONENTS;
while (cp < end) {
nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
if (NS_FAILED(rv)) {
#ifdef DEBUG
printf("nsRegistryDataSourceModule: unable to unregister %s component => %x\n",
cp->mDescription, rv);
#endif
}
cp++;
}
return NS_OK;
}
NS_IMETHODIMP
nsRegistryDataSourceModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
{
if (!okToUnload) {
return NS_ERROR_INVALID_POINTER;
}
*okToUnload = PR_FALSE;
return NS_ERROR_FAILURE;
}
//----------------------------------------------------------------------
static nsRegistryDataSourceModule *gModule = NULL;
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
nsIFile* aPath,
nsIModule** return_cobj)
{
nsresult rv = NS_OK;
NS_ENSURE_ARG_POINTER(return_cobj);
NS_ENSURE_FALSE(gModule, NS_ERROR_FAILURE);
// Create and initialize the module instance
nsRegistryDataSourceModule *m = new nsRegistryDataSourceModule();
if (!m) {
return NS_ERROR_OUT_OF_MEMORY;
}
// Increase refcnt and store away nsIModule interface to m in return_cobj
rv = m->QueryInterface(NS_GET_IID(nsIModule), (void**)return_cobj);
if (NS_FAILED(rv)) {
delete m;
m = nsnull;
}
gModule = m; // WARNING: Weak Reference
return rv;
}
NS_IMPL_NSGETMODULE("nsRegistryViewerModule", components)