pjs/xpinstall/notifier/nsXPIFlash.cpp

521 строка
18 KiB
C++
Исходник Обычный вид История

1999-07-26 20:13:44 +04:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsIGenericFactory.h"
#include "nsIRDFContainer.h"
#include "nsIRDFDataSource.h"
#include "nsIRDFService.h"
#include "nsIRDFRemoteDataSource.h"
#include "nsIServiceManager.h"
#include "nsISupports.h"
#include "nsRDFCID.h"
#define NC_XPIFLASH_SOURCES "NC:SoftwareUpdateDataSources"
#define NC_XPIFLASH_PACKAGES "NC:SoftwarePackages"
#define NC_RDF_FLASHROOT "NC:FlashRoot"
#define NC_RDF_TYPE "http://home.netscape.com/NC-rdf#type"
#define NC_RDF_SOURCE "http://home.netscape.com/NC-rdf#source"
#define NC_RDF_DESCRIPTION "http://home.netscape.com/NC-rdf#description"
#define NC_RDF_TIMESTAMP "http://home.netscape.com/NC-rdf#timestamp"
#define NC_RDF_URL "http://home.netscape.com/NC-rdf#url"
#define NC_RDF_CHILD "http://home.netscape.com/NC-rdf#child"
#define NC_XPIFLASH_TYPE "http://home.netscape.com/NC-rdf#XPInstallNotification"
#define NC_XPIFLASH_TITLE "http://home.netscape.com/NC-rdf#title"
#define NC_XPIFLASH_REGKEY "http://home.netscape.com/NC-rdf#version"
#define NC_XPIFLASH_VERSION "http://home.netscape.com/NC-rdf#registryKey"
#define NC_XPIFLASH_DESCRIPTION "http://home.netscape.com/NC-rdf#description"
#define NC_XPIFLASH_URL "http://home.netscape.com/NC-rdf#url"
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
static NS_DEFINE_CID(kRDFContainerCID, NS_RDFCONTAINER_CID);
class nsXPINotifierImpl : public nsISupports
{
public:
static NS_IMETHODIMP New(nsISupports* aOuter, REFNSIID aIID, void** aResult);
private:
nsXPINotifierImpl();
virtual ~nsXPINotifierImpl();
nsresult Init();
nsresult SynchronouslyOpenRemoteDataSource(const char* aURL, nsIRDFDataSource** aResult);
nsresult AddNewSoftwareFromDistributor(nsIRDFResource *inDistributor);
nsCOMPtr<nsIRDFDataSource> mInner;
nsIRDFService* mRDF;
static nsIRDFResource* kXPI_NotifierSources;
static nsIRDFResource* kXPI_NotifierPackages;
static nsIRDFResource* kXPI_NotifierPackage_Title;
static nsIRDFResource* kXPI_NotifierPackage_Version;
static nsIRDFResource* kXPI_NotifierPackage_Description;
static nsIRDFResource* kXPI_NotifierPackage_RegKey;
static nsIRDFResource* kXPI_NotifierPackage_URL;
static nsIRDFResource* kXPI_Notifier_Type;
static nsIRDFResource* kNC_FlashRoot;
static nsIRDFResource* kNC_Type;
static nsIRDFResource* kNC_Source;
static nsIRDFResource* kNC_Description;
static nsIRDFResource* kNC_TimeStamp;
static nsIRDFResource* kNC_URL;
static nsIRDFResource* kNC_Child;
// nsISupports interface
NS_DECL_ISUPPORTS
};
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierSources = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackages = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Title = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Version = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Description = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_RegKey = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_URL = nsnull;
nsIRDFResource* nsXPINotifierImpl::kXPI_Notifier_Type = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_FlashRoot = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_Type = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_Source = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_Description = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_TimeStamp = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_URL = nsnull;
nsIRDFResource* nsXPINotifierImpl::kNC_Child = nsnull;
nsXPINotifierImpl::nsXPINotifierImpl()
: mRDF(nsnull)
{
NS_INIT_REFCNT();
}
nsXPINotifierImpl::~nsXPINotifierImpl()
{
if (mRDF)
{
nsServiceManager::ReleaseService(kRDFServiceCID, mRDF);
mRDF = nsnull;
}
NS_IF_RELEASE(kXPI_NotifierSources);
NS_IF_RELEASE(kXPI_NotifierPackages);
NS_IF_RELEASE(kXPI_NotifierPackage_Title);
NS_IF_RELEASE(kXPI_NotifierPackage_Version);
NS_IF_RELEASE(kXPI_NotifierPackage_Description);
NS_IF_RELEASE(kXPI_NotifierPackage_RegKey);
NS_IF_RELEASE(kXPI_NotifierPackage_URL);
NS_IF_RELEASE(kXPI_Notifier_Type);
NS_IF_RELEASE(kNC_FlashRoot);
NS_IF_RELEASE(kNC_Type);
NS_IF_RELEASE(kNC_Source);
NS_IF_RELEASE(kNC_Description);
NS_IF_RELEASE(kNC_TimeStamp);
NS_IF_RELEASE(kNC_URL);
NS_IF_RELEASE(kNC_Child);
}
nsresult
nsXPINotifierImpl::Init()
{
static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
nsresult rv;
nsCOMPtr<nsIRDFDataSource> distributors;
nsCOMPtr<nsIRDFContainer> distributorsContainer;
nsCOMPtr <nsISimpleEnumerator> distributorEnumerator;
PRBool moreElements;
rv = nsComponentManager::CreateInstance(kRDFInMemoryDataSourceCID,
this, /* the "outer" */
nsIRDFDataSource::GetIID(),
getter_AddRefs(mInner));
if (NS_FAILED(rv)) return rv;
// Read the distributor registry
rv = nsServiceManager::GetService(kRDFServiceCID, nsIRDFService::GetIID(), (nsISupports**) &mRDF);
if (NS_FAILED(rv)) return rv;
if (! kXPI_NotifierSources)
{
mRDF->GetResource(NC_XPIFLASH_SOURCES, &kXPI_NotifierSources);
mRDF->GetResource(NC_XPIFLASH_PACKAGES, &kXPI_NotifierPackages);
mRDF->GetResource(NC_XPIFLASH_TITLE, &kXPI_NotifierPackage_Title);
mRDF->GetResource(NC_XPIFLASH_VERSION, &kXPI_NotifierPackage_Version);
mRDF->GetResource(NC_XPIFLASH_DESCRIPTION, &kXPI_NotifierPackage_Description);
mRDF->GetResource(NC_XPIFLASH_REGKEY, &kXPI_NotifierPackage_RegKey);
mRDF->GetResource(NC_XPIFLASH_URL, &kXPI_NotifierPackage_URL);
mRDF->GetResource(NC_XPIFLASH_TYPE, &kXPI_Notifier_Type);
mRDF->GetResource(NC_RDF_FLASHROOT, &kNC_FlashRoot);
mRDF->GetResource(NC_RDF_TYPE, &kNC_Type);
mRDF->GetResource(NC_RDF_SOURCE, &kNC_Source);
mRDF->GetResource(NC_RDF_DESCRIPTION, &kNC_Description);
mRDF->GetResource(NC_RDF_TIMESTAMP, &kNC_TimeStamp);
mRDF->GetResource(NC_RDF_URL, &kNC_URL);
mRDF->GetResource(NC_RDF_CHILD, &kNC_Child);
}
rv = SynchronouslyOpenRemoteDataSource("resource:/res/xpinstall/SoftwareUpdates.rdf",
getter_AddRefs(distributors));
if (NS_FAILED(rv)) return rv;
rv = nsComponentManager::CreateInstance(kRDFContainerCID,
nsnull,
nsIRDFContainer::GetIID(),
getter_AddRefs(distributorsContainer));
if (NS_SUCCEEDED(rv))
{
rv = distributorsContainer->Init(distributors, kXPI_NotifierSources);
if (NS_SUCCEEDED(rv))
{
rv = distributorsContainer->GetElements(getter_AddRefs(distributorEnumerator));
if (NS_SUCCEEDED(rv))
{
distributorEnumerator->HasMoreElements(&moreElements);
while (moreElements)
{
nsCOMPtr<nsISupports> i;
rv = distributorEnumerator->GetNext(getter_AddRefs(i));
if (NS_FAILED(rv)) break;
nsCOMPtr<nsIRDFResource> aDistributor(do_QueryInterface(i, &rv));
if (NS_FAILED(rv)) break;
rv = AddNewSoftwareFromDistributor(aDistributor);
if (NS_FAILED(rv)) break;
distributorEnumerator->HasMoreElements(&moreElements);
}
}
}
}
return NS_OK;
}
nsresult
nsXPINotifierImpl::AddNewSoftwareFromDistributor(nsIRDFResource *inDistributor)
{
char* uri;
inDistributor->GetValue(&uri);
if (uri == nsnull) return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsIRDFDataSource> distributorDataSource;
nsCOMPtr<nsIRDFContainer> distributorContainer;
nsCOMPtr <nsISimpleEnumerator> packageEnumerator;
PRBool moreElements;
nsresult rv = SynchronouslyOpenRemoteDataSource(uri, getter_AddRefs(distributorDataSource));
if (NS_FAILED(rv)) return rv;
rv = nsComponentManager::CreateInstance(kRDFContainerCID,
nsnull,
nsIRDFContainer::GetIID(),
getter_AddRefs(distributorContainer));
if (NS_SUCCEEDED(rv))
{
rv = distributorContainer->Init(distributorDataSource, kXPI_NotifierPackages);
if (NS_SUCCEEDED(rv))
{
rv = distributorContainer->GetElements(getter_AddRefs(packageEnumerator));
if (NS_SUCCEEDED(rv))
{
packageEnumerator->HasMoreElements(&moreElements);
while (moreElements)
{
nsCOMPtr<nsISupports> i;
rv = packageEnumerator->GetNext(getter_AddRefs(i));
if (NS_FAILED(rv)) break;
nsCOMPtr<nsIRDFResource> aPackage(do_QueryInterface(i, &rv));
if (NS_FAILED(rv)) break;
// do whatever here
nsCOMPtr<nsIRDFNode> nameNode;
distributorDataSource->GetTarget(aPackage,
kXPI_NotifierPackage_Title,
PR_TRUE,
getter_AddRefs(nameNode));
nsCOMPtr<nsIRDFLiteral> title(do_QueryInterface(nameNode, &rv));
if (NS_FAILED(rv)) break;
// lets asert now..
nsCOMPtr<nsIRDFLiteral> source;
nsString sourceString = "Software Notification";
rv = mRDF->GetLiteral(sourceString.GetUnicode(), getter_AddRefs(source));
mInner->Assert(aPackage, kNC_Type, kXPI_Notifier_Type, PR_TRUE);
mInner->Assert(aPackage, kNC_Source, source, PR_TRUE);
mInner->Assert(aPackage, kNC_Description, title, PR_TRUE);
//Supposedly rdf will convert this into a localized time string.
nsCOMPtr<nsIRDFLiteral> timeStamp;
nsString timeStampString;
PRExplodedTime explode;
PR_ExplodeTime( PR_Now(), PR_LocalTimeParameters, &explode);
char buffer[128];
PR_FormatTime(buffer, sizeof(buffer), "%m/%d/%Y %I:%M %p", &explode);
timeStampString = buffer;
rv = mRDF->GetLiteral(timeStampString.GetUnicode(), getter_AddRefs(timeStamp));
if(NS_SUCCEEDED(rv))
{
mInner->Assert(aPackage, kNC_TimeStamp, timeStamp, PR_TRUE);
}
nsCOMPtr<nsIRDFNode> urlNode;
distributorDataSource->GetTarget(aPackage,
kXPI_NotifierPackage_URL,
PR_TRUE,
getter_AddRefs(urlNode));
nsCOMPtr<nsIRDFLiteral> url(do_QueryInterface(urlNode, &rv));
if (NS_FAILED(rv)) break;
mInner->Assert(aPackage, kNC_URL, url, PR_TRUE);
mInner->Assert(kNC_FlashRoot, kNC_Child, aPackage, PR_TRUE);
}
}
}
}
return NS_OK;
}
nsresult
nsXPINotifierImpl::SynchronouslyOpenRemoteDataSource(const char* aURL,
nsIRDFDataSource** aResult)
{
static NS_DEFINE_CID(kRDFXMLDataSourceCID, NS_RDFXMLDATASOURCE_CID);
nsresult rv;
nsCOMPtr<nsIRDFRemoteDataSource> remote;
rv = nsComponentManager::CreateInstance(kRDFXMLDataSourceCID,
nsnull,
nsIRDFRemoteDataSource::GetIID(),
getter_AddRefs(remote));
if (NS_FAILED(rv)) return rv;
rv = remote->Init(aURL);
if (NS_SUCCEEDED(rv)) {
rv = remote->Refresh(PR_TRUE);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIRDFDataSource> result = do_QueryInterface(remote, &rv);
*aResult = result;
NS_IF_ADDREF(*aResult);
return rv;
}
else {
// we've already loaded this datasource. use cached copy
return mRDF->GetDataSource(aURL, aResult);
}
}
NS_IMETHODIMP
nsXPINotifierImpl::New(nsISupports* aOuter, REFNSIID aIID, void** aResult)
{
NS_PRECONDITION(aOuter == nsnull, "no aggregation");
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
nsXPINotifierImpl* result = new nsXPINotifierImpl();
if (! result)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(result); // stabilize
nsresult rv;
rv = result->Init();
if (NS_SUCCEEDED(rv)) {
rv = result->QueryInterface(aIID, aResult);
}
NS_RELEASE(result);
return rv;
}
////////////////////////////////////////////////////////////////////////
// nsISupports
NS_IMPL_ADDREF(nsXPINotifierImpl);
NS_IMETHODIMP_(nsrefcnt)
nsXPINotifierImpl::Release()
{
--mRefCnt;
if (mRefCnt == 1 && mInner) {
mInner = nsnull; /* nsCOMPtr triggers Release() */
}
else if (mRefCnt == 0) {
delete this;
}
return mRefCnt;
}
NS_IMETHODIMP
nsXPINotifierImpl::QueryInterface(REFNSIID aIID, void** aResult)
{
NS_PRECONDITION(aResult != nsnull, "null ptr");
if (! aResult)
return NS_ERROR_NULL_POINTER;
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
if (aIID.Equals(kISupportsIID)) {
*aResult = NS_STATIC_CAST(nsISupports*, this);
}
else if (aIID.Equals(nsIRDFDataSource::GetIID())) {
*aResult = mInner;
}
else {
*aResult = nsnull;
return NS_NOINTERFACE;
}
NS_ADDREF(this);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////
// Component Manager Related Exports
// {69FDC800-4050-11d3-BE2F-00104BDE6048}
#define NS_XPIUPDATENOTIFIER_CID \
{ 0x69fdc800, 0x4050, 0x11d3, { 0xbe, 0x2f, 0x0, 0x10, 0x4b, 0xde, 0x60, 0x48 } }
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
static NS_DEFINE_CID(kXPIUpdateNotifierCID, NS_XPIUPDATENOTIFIER_CID);
extern "C" PR_IMPLEMENT(nsresult)
NSGetFactory(nsISupports* aServiceMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory)
{
NS_PRECONDITION(aFactory != nsnull, "null ptr");
if (! aFactory)
return NS_ERROR_NULL_POINTER;
nsIGenericFactory::ConstructorProcPtr constructor;
if (aClass.Equals(kXPIUpdateNotifierCID)) {
constructor = nsXPINotifierImpl::New;
}
else {
*aFactory = nsnull;
return NS_NOINTERFACE; // XXX
}
nsresult rv;
NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServiceMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIGenericFactory> factory;
rv = compMgr->CreateInstance(kGenericFactoryCID,
nsnull,
nsIGenericFactory::GetIID(),
getter_AddRefs(factory));
if (NS_FAILED(rv)) return rv;
rv = factory->SetConstructor(constructor);
if (NS_FAILED(rv)) return rv;
*aFactory = factory;
NS_ADDREF(*aFactory);
return NS_OK;
}
extern "C" PR_IMPLEMENT(nsresult)
NSRegisterSelf(nsISupports* aServMgr , const char* aPath)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
if (NS_FAILED(rv)) return rv;
NS_WITH_SERVICE1(nsIComponentManager, compMgr, servMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->RegisterComponent(kXPIUpdateNotifierCID,
"XPInstall Update Notifier",
"component://netscape/rdf/datasource?name=xpinstall-update-notifier",
aPath, PR_TRUE, PR_TRUE);
return NS_OK;
}
extern "C" PR_IMPLEMENT(nsresult)
NSUnregisterSelf(nsISupports* aServMgr, const char* aPath)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
if (NS_FAILED(rv)) return rv;
NS_WITH_SERVICE1(nsIComponentManager, compMgr, servMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->UnregisterComponent(kXPIUpdateNotifierCID, aPath);
return NS_OK;
}