зеркало из https://github.com/mozilla/pjs.git
Converting to generic module. r=rjc
This commit is contained in:
dp%netscape.com
Родитель
78de409d73
Коммит
bb1f33dad6
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@ -25,383 +25,27 @@
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*/
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#include "nsRDFCID.h"
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#include "nscore.h"
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#include "nsCOMPtr.h"
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#include "nsIModule.h"
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#include "nsIFactory.h"
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#include "nsIGenericFactory.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIRDFDataSource.h"
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#include "nsISearchService.h"
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#include "nsCRT.h"
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static NS_DEFINE_CID(kLocalSearchServiceCID, NS_RDFFINDDATASOURCE_CID);
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static NS_DEFINE_CID(kInternetSearchServiceCID, NS_RDFSEARCHDATASOURCE_CID);
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
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NS_IMETHODIMP NS_NewLocalSearchService(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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NS_IMETHODIMP NS_NewInternetSearchService(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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#if 1
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// Module implementation
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class nsSearchModule : public nsIModule
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static nsModuleComponentInfo gSearchComponents[] =
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{
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public:
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nsSearchModule();
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virtual ~nsSearchModule();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMODULE
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protected:
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nsresult Initialize();
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void Shutdown();
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PRBool mInitialized;
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nsCOMPtr<nsIGenericFactory> mInternetSearchFactory;
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nsCOMPtr<nsIGenericFactory> mLocalSearchFactory;
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{ "Local Search", NS_RDFFINDDATASOURCE_CID,
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NS_LOCALSEARCH_SERVICE_PROGID, NS_NewLocalSearchService,
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},
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{ "Local Search", NS_RDFFINDDATASOURCE_CID,
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NS_LOCALSEARCH_DATASOURCE_PROGID, NS_NewLocalSearchService,
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},
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{ "Internet Search", NS_RDFSEARCHDATASOURCE_CID,
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NS_INTERNETSEARCH_SERVICE_PROGID, NS_NewInternetSearchService,
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},
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{ "Internet Search", NS_RDFSEARCHDATASOURCE_CID,
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NS_INTERNETSEARCH_DATASOURCE_PROGID, NS_NewInternetSearchService,
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},
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};
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NS_IMPL_NSGETMODULE("nsSearchModule", gSearchComponents)
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nsSearchModule::nsSearchModule()
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: mInitialized(PR_FALSE)
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{
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NS_INIT_ISUPPORTS();
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}
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nsSearchModule::~nsSearchModule()
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{
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Shutdown();
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}
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// Perform our one-time intialization for this module
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nsresult
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nsSearchModule::Initialize()
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{
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if (mInitialized) {
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return NS_OK;
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}
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mInitialized = PR_TRUE;
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return NS_OK;
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}
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// Shutdown this module, releasing all of the module resources
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void
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nsSearchModule::Shutdown()
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{
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// Release the factory object
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mInternetSearchFactory = nsnull;
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mLocalSearchFactory = nsnull;
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}
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NS_IMPL_ISUPPORTS(nsSearchModule, NS_GET_IID(nsIModule))
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// Create a factory object for creating instances of aClass.
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NS_IMETHODIMP
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nsSearchModule::GetClassObject(nsIComponentManager *aCompMgr,
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const nsCID& aClass,
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const nsIID& aIID,
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void** r_classObj)
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{
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nsresult rv;
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// Defensive programming: Initialize *r_classObj in case of error below
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if (!r_classObj) {
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return NS_ERROR_INVALID_POINTER;
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}
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*r_classObj = NULL;
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// Do one-time-only initialization if necessary
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if (!mInitialized) {
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rv = Initialize();
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if (NS_FAILED(rv)) {
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// Initialization failed! yikes!
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return rv;
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}
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}
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nsCOMPtr<nsIGenericFactory> fact;
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// Choose the appropriate factory, based on the desired instance
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// class type (aClass).
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if (aClass.Equals(kInternetSearchServiceCID))
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{
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if (!mInternetSearchFactory) {
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rv = NS_NewGenericFactory(getter_AddRefs(mInternetSearchFactory),
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NS_NewInternetSearchService);
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}
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fact = mInternetSearchFactory;
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}
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else if (aClass.Equals(kLocalSearchServiceCID))
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{
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if (!mLocalSearchFactory) {
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rv = NS_NewGenericFactory(getter_AddRefs(mLocalSearchFactory),
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NS_NewLocalSearchService);
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}
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fact = mLocalSearchFactory;
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}
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else {
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rv = NS_ERROR_FACTORY_NOT_REGISTERED;
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#ifdef DEBUG
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char* cs = aClass.ToString();
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printf("+++ nsSearchModule: unable to create factory for %s\n", cs);
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nsCRT::free(cs);
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#endif
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}
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if (fact) {
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rv = fact->QueryInterface(aIID, r_classObj);
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}
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return rv;
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}
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//----------------------------------------
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struct Components {
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const char* mDescription;
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const nsID* mCID;
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const char* mProgID;
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};
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// The list of components we register
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static Components gComponents[] = {
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{ "LocalSearch", &kLocalSearchServiceCID, NS_LOCALSEARCH_SERVICE_PROGID },
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{ "LocalSearch", &kLocalSearchServiceCID, NS_LOCALSEARCH_DATASOURCE_PROGID },
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{ "InternetSearch", &kInternetSearchServiceCID, NS_INTERNETSEARCH_SERVICE_PROGID },
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{ "InternetSearch", &kInternetSearchServiceCID, NS_INTERNETSEARCH_DATASOURCE_PROGID },
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};
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#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
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NS_IMETHODIMP
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nsSearchModule::RegisterSelf(nsIComponentManager *aCompMgr,
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nsIFile* aPath,
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const char* registryLocation,
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const char* componentType)
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{
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nsresult rv = NS_OK;
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#ifdef DEBUG
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printf("*** Registering nsSearchModule\n");
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#endif
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
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cp->mProgID, aPath, PR_TRUE,
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PR_TRUE);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsSearchModule: unable to register %s component => %x\n",
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cp->mDescription, rv);
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#endif
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break;
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}
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cp++;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsSearchModule::UnregisterSelf(nsIComponentManager* aCompMgr,
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nsIFile* aPath,
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const char* registryLocation)
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{
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#ifdef DEBUG
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printf("*** Unregistering nsSearchModule\n");
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#endif
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsSearchModule: unable to unregister %s component => %x\n",
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cp->mDescription, rv);
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#endif
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}
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cp++;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSearchModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
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{
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if (!okToUnload) {
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return NS_ERROR_INVALID_POINTER;
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}
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*okToUnload = PR_FALSE;
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return NS_ERROR_FAILURE;
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}
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//----------------------------------------------------------------------
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static nsSearchModule *gModule = NULL;
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extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
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nsIFile* aPath,
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nsIModule** return_cobj)
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{
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nsresult rv = NS_OK;
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NS_ENSURE_ARG_POINTER(return_cobj);
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NS_ENSURE_FALSE(gModule, NS_ERROR_FAILURE);
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// Create and initialize the module instance
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nsSearchModule *m = new nsSearchModule();
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if (!m) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Increase refcnt and store away nsIModule interface to m in return_cobj
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rv = m->QueryInterface(NS_GET_IID(nsIModule), (void**)return_cobj);
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if (NS_FAILED(rv)) {
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delete m;
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m = nsnull;
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}
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gModule = m; // WARNING: Weak Reference
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return rv;
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}
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#else
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////////////////////////////////////////////////////////////////////////
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// Component Exports
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extern "C" PR_IMPLEMENT(nsresult)
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NSGetFactory(nsISupports* aServiceMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory **aFactory)
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{
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NS_PRECONDITION(aFactory != nsnull, "null ptr");
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if (! aFactory)
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return NS_ERROR_NULL_POINTER;
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nsIGenericFactory::ConstructorProcPtr constructor;
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if (aClass.Equals(kInternetSearchServiceCID)) {
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constructor = NS_NewInternetSearchService;
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}
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else if (aClass.Equals(kLocalSearchServiceCID)) {
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constructor = NS_NewLocalSearchService;
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}
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else {
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*aFactory = nsnull;
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return NS_NOINTERFACE; // XXX
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}
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nsresult rv;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServiceMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIGenericFactory> factory;
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rv = compMgr->CreateInstance(kGenericFactoryCID,
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nsnull,
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NS_GET_IID(nsIGenericFactory),
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getter_AddRefs(factory));
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if (NS_FAILED(rv)) return rv;
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rv = factory->SetConstructor(constructor);
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if (NS_FAILED(rv)) return rv;
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*aFactory = factory;
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NS_ADDREF(*aFactory);
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return NS_OK;
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}
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extern "C" PR_IMPLEMENT(nsresult)
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NSRegisterSelf(nsISupports* aServMgr , const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr, servMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterComponent(kLocalSearchServiceCID, "LocalSearch",
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NS_LOCALSEARCH_SERVICE_PROGID,
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aPath, PR_TRUE, PR_TRUE);
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rv = compMgr->RegisterComponent(kLocalSearchServiceCID, "LocalSearch",
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NS_LOCALSEARCH_DATASOURCE_PROGID,
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aPath, PR_TRUE, PR_TRUE);
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rv = compMgr->RegisterComponent(kInternetSearchServiceCID, "InternetSearch",
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NS_INTERNETSEARCH_SERVICE_PROGID,
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aPath, PR_TRUE, PR_TRUE);
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rv = compMgr->RegisterComponent(kInternetSearchServiceCID, "InternetSearch",
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NS_INTERNETSEARCH_DATASOURCE_PROGID,
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aPath, PR_TRUE, PR_TRUE);
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return NS_OK;
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}
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extern "C" PR_IMPLEMENT(nsresult)
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NSUnregisterSelf(nsISupports* aServMgr, const char* aPath)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
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if (NS_FAILED(rv)) return rv;
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NS_WITH_SERVICE1(nsIComponentManager, compMgr, servMgr, kComponentManagerCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->UnregisterComponent(kLocalSearchServiceCID, aPath);
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rv = compMgr->UnregisterComponent(kInternetSearchServiceCID, aPath);
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return NS_OK;
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}
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#endif
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