зеркало из https://github.com/mozilla/pjs.git
918 строки
28 KiB
C++
918 строки
28 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code,
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* released March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Doug Turner <dougt@netscape.com>
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*/
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#include "nsISupports.h"
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsIGenericFactory.h"
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#include "nsIRDFContainer.h"
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#include "nsIRDFDataSource.h"
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#include "nsIRDFService.h"
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#include "nsIRDFRemoteDataSource.h"
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#include "nsRDFCID.h"
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#include "nsIRDFXMLSink.h"
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#include "VerReg.h"
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#include "nsIPref.h"
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#include "nsISoftwareUpdate.h"
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#define NC_XPIFLASH_SOURCES "NC:SoftwareUpdateDataSources"
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#define NC_XPIFLASH_PACKAGES "NC:SoftwarePackages"
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#define NC_RDF_FLASHROOT "NC:FlashRoot"
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#define NC_RDF_TYPE "http://home.netscape.com/NC-rdf#type"
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#define NC_RDF_SOURCE "http://home.netscape.com/NC-rdf#source"
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#define NC_RDF_DESCRIPTION "http://home.netscape.com/NC-rdf#description"
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#define NC_RDF_TIMESTAMP "http://home.netscape.com/NC-rdf#timestamp"
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#define NC_RDF_URL "http://home.netscape.com/NC-rdf#url"
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#define NC_RDF_CHILD "http://home.netscape.com/NC-rdf#child"
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#define NC_XPIFLASH_TYPE "http://home.netscape.com/NC-rdf#XPInstallNotification"
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#define NC_XPIFLASH_TITLE "http://home.netscape.com/NC-rdf#title"
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#define NC_XPIFLASH_REGKEY "http://home.netscape.com/NC-rdf#registryKey"
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#define NC_XPIFLASH_VERSION "http://home.netscape.com/NC-rdf#version"
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#define NC_XPIFLASH_DESCRIPTION "http://home.netscape.com/NC-rdf#description"
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#define NC_XPIFLASH_URL "http://home.netscape.com/NC-rdf#url"
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static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
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static NS_DEFINE_CID(kRDFContainerCID, NS_RDFCONTAINER_CID);
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class nsXPINotifierImpl : public nsISupports
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{
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public:
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static NS_IMETHODIMP New(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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// nsISupports interface
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NS_DECL_ISUPPORTS
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NS_DECL_NSIRDFXMLSINKOBSERVER
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protected:
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nsXPINotifierImpl();
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virtual ~nsXPINotifierImpl();
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nsresult NotificationEnabled(PRBool* aReturn);
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nsresult Init();
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nsresult OpenRemoteDataSource(const char* aURL, PRBool blocking, nsIRDFDataSource** aResult);
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PRBool IsNewerOrUninstalled(const char* regKey, const char* versionString);
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PRInt32 CompareVersions(VERSION *oldversion, VERSION *newVersion);
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void StringToVersionNumbers(const nsString& version, int32 *aMajor, int32 *aMinor, int32 *aRelease, int32 *aBuild);
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nsCOMPtr<nsISupports> mInner;
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nsIRDFService* mRDF;
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static nsIRDFResource* kXPI_NotifierSources;
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static nsIRDFResource* kXPI_NotifierPackages;
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static nsIRDFResource* kXPI_NotifierPackage_Title;
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static nsIRDFResource* kXPI_NotifierPackage_Version;
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static nsIRDFResource* kXPI_NotifierPackage_Description;
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static nsIRDFResource* kXPI_NotifierPackage_RegKey;
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static nsIRDFResource* kXPI_NotifierPackage_URL;
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static nsIRDFResource* kXPI_Notifier_Type;
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static nsIRDFResource* kNC_FlashRoot;
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static nsIRDFResource* kNC_Type;
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static nsIRDFResource* kNC_Source;
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static nsIRDFResource* kNC_Description;
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static nsIRDFResource* kNC_TimeStamp;
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static nsIRDFResource* kNC_URL;
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static nsIRDFResource* kNC_Child;
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};
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierSources = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackages = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Title = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Version = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_Description = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_RegKey = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_NotifierPackage_URL = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kXPI_Notifier_Type = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_FlashRoot = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_Type = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_Source = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_Description = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_TimeStamp = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_URL = nsnull;
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nsIRDFResource* nsXPINotifierImpl::kNC_Child = nsnull;
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nsXPINotifierImpl::nsXPINotifierImpl()
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: mRDF(nsnull)
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{
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NS_INIT_REFCNT();
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static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
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nsComponentManager::CreateInstance(kRDFInMemoryDataSourceCID,
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this, /* the "outer" */
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nsCOMTypeInfo<nsISupports>::GetIID(),
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getter_AddRefs(mInner));
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}
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nsXPINotifierImpl::~nsXPINotifierImpl()
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{
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if (mRDF)
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{
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nsServiceManager::ReleaseService(kRDFServiceCID, mRDF);
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mRDF = nsnull;
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}
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NS_IF_RELEASE(kXPI_NotifierSources);
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NS_IF_RELEASE(kXPI_NotifierPackages);
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NS_IF_RELEASE(kXPI_NotifierPackage_Title);
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NS_IF_RELEASE(kXPI_NotifierPackage_Version);
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NS_IF_RELEASE(kXPI_NotifierPackage_Description);
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NS_IF_RELEASE(kXPI_NotifierPackage_RegKey);
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NS_IF_RELEASE(kXPI_NotifierPackage_URL);
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NS_IF_RELEASE(kXPI_Notifier_Type);
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NS_IF_RELEASE(kNC_FlashRoot);
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NS_IF_RELEASE(kNC_Type);
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NS_IF_RELEASE(kNC_Source);
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NS_IF_RELEASE(kNC_Description);
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NS_IF_RELEASE(kNC_TimeStamp);
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NS_IF_RELEASE(kNC_URL);
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NS_IF_RELEASE(kNC_Child);
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}
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static NS_DEFINE_IID(kPrefsIID, NS_IPREF_IID);
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static NS_DEFINE_IID(kPrefsCID, NS_PREF_CID);
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nsresult
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nsXPINotifierImpl::NotificationEnabled(PRBool* aReturn)
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{
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*aReturn = PR_FALSE;
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nsIPref * prefs;
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nsresult rv = nsServiceManager::GetService(kPrefsCID,
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kPrefsIID,
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(nsISupports**) &prefs);
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if ( NS_SUCCEEDED(rv) )
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{
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PRBool value;
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// check to see if we are on.
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rv = prefs->GetBoolPref( (const char*) XPINSTALL_NOTIFICATIONS_ENABLE, &value);
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if (NS_SUCCEEDED(rv) && value)
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{
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// check to see the last time we did anything. Since flash does not have a persistant
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// way to do poll invervals longer than a session, we will implemented that here by using the
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// preferences.
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PRInt32 intervalHours = 0;
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PRTime now = 0;
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PRInt32 nowSec = 0;
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PRInt32 lastTime = 0;
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rv = prefs->GetIntPref(XPINSTALL_NOTIFICATIONS_INTERVAL, &intervalHours);
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if (NS_FAILED(rv))
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{
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intervalHours = 7*24; // default at once a week
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rv = prefs->SetIntPref(XPINSTALL_NOTIFICATIONS_INTERVAL, intervalHours);
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}
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rv = prefs->GetIntPref(XPINSTALL_NOTIFICATIONS_LASTDATE, &lastTime);
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now = PR_Now();
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// nowSec = now / 1000000
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LL_DIV(nowSec, now, 1000000);
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if (NS_FAILED(rv) || lastTime == 0)
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{
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rv = prefs->SetIntPref(XPINSTALL_NOTIFICATIONS_LASTDATE, nowSec);
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return NS_OK;
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}
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if ((lastTime + (intervalHours*60*24)) <= nowSec)
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{
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*aReturn = PR_TRUE;
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}
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NS_RELEASE(prefs);
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}
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}
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return NS_OK;
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}
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nsresult
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nsXPINotifierImpl::Init()
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{
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PRBool enabled;
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NotificationEnabled(&enabled);
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if (!enabled)
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return NS_ERROR_FAILURE;
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if (mInner == nsnull)
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return NS_ERROR_FAILURE;
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nsresult rv;
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nsCOMPtr<nsIRDFDataSource> distributors;
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nsCOMPtr<nsIRDFContainer> distributorsContainer;
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nsCOMPtr <nsISimpleEnumerator> distributorEnumerator;
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PRBool moreElements;
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// Read the distributor registry
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rv = nsServiceManager::GetService(kRDFServiceCID, nsIRDFService::GetIID(), (nsISupports**) &mRDF);
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if (NS_FAILED(rv)) return rv;
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if (! kXPI_NotifierSources)
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{
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mRDF->GetResource(NC_XPIFLASH_SOURCES, &kXPI_NotifierSources);
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mRDF->GetResource(NC_XPIFLASH_PACKAGES, &kXPI_NotifierPackages);
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mRDF->GetResource(NC_XPIFLASH_TITLE, &kXPI_NotifierPackage_Title);
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mRDF->GetResource(NC_XPIFLASH_VERSION, &kXPI_NotifierPackage_Version);
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mRDF->GetResource(NC_XPIFLASH_DESCRIPTION, &kXPI_NotifierPackage_Description);
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mRDF->GetResource(NC_XPIFLASH_REGKEY, &kXPI_NotifierPackage_RegKey);
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mRDF->GetResource(NC_XPIFLASH_URL, &kXPI_NotifierPackage_URL);
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mRDF->GetResource(NC_XPIFLASH_TYPE, &kXPI_Notifier_Type);
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mRDF->GetResource(NC_RDF_FLASHROOT, &kNC_FlashRoot);
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mRDF->GetResource(NC_RDF_TYPE, &kNC_Type);
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mRDF->GetResource(NC_RDF_SOURCE, &kNC_Source);
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mRDF->GetResource(NC_RDF_DESCRIPTION, &kNC_Description);
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mRDF->GetResource(NC_RDF_TIMESTAMP, &kNC_TimeStamp);
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mRDF->GetResource(NC_RDF_URL, &kNC_URL);
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mRDF->GetResource(NC_RDF_CHILD, &kNC_Child);
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}
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rv = OpenRemoteDataSource("resource:/res/xpinstall/SoftwareUpdates.rdf", PR_TRUE, getter_AddRefs(distributors));
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if (NS_FAILED(rv)) return rv;
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rv = nsComponentManager::CreateInstance(kRDFContainerCID,
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nsnull,
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nsIRDFContainer::GetIID(),
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getter_AddRefs(distributorsContainer));
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if (NS_SUCCEEDED(rv))
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{
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rv = distributorsContainer->Init(distributors, kXPI_NotifierSources);
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if (NS_SUCCEEDED(rv))
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{
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rv = distributorsContainer->GetElements(getter_AddRefs(distributorEnumerator));
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if (NS_SUCCEEDED(rv))
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{
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distributorEnumerator->HasMoreElements(&moreElements);
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while (moreElements)
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{
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nsCOMPtr<nsISupports> i;
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rv = distributorEnumerator->GetNext(getter_AddRefs(i));
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if (NS_FAILED(rv)) break;
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nsCOMPtr<nsIRDFResource> aDistributor(do_QueryInterface(i, &rv));
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if (NS_FAILED(rv)) break;
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char* uri;
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nsCOMPtr<nsIRDFDataSource> remoteDatasource;
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aDistributor->GetValue(&uri);
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rv = OpenRemoteDataSource(uri, PR_FALSE, getter_AddRefs(remoteDatasource));
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nsAllocator::Free(uri);
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if (NS_FAILED(rv)) break;
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distributorEnumerator->HasMoreElements(&moreElements);
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}
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}
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}
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}
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return NS_OK;
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}
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PRBool
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nsXPINotifierImpl::IsNewerOrUninstalled(const char* regKey, const char* versionString)
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{
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PRBool needJar = PR_FALSE;
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REGERR status = VR_ValidateComponent( (char*) regKey );
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if ( status == REGERR_NOFIND || status == REGERR_NOFILE )
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{
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// either component is not in the registry or it's a file
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// node and the physical file is missing
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needJar = PR_TRUE;
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}
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else
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{
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VERSION oldVersion;
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status = VR_GetVersion( (char*)regKey, &oldVersion );
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if ( status != REGERR_OK )
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{
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needJar = PR_TRUE;
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}
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else
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{
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VERSION newVersion;
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StringToVersionNumbers(versionString, &(newVersion).major, &(newVersion).minor, &(newVersion).release, &(newVersion).build);
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if ( CompareVersions(&oldVersion, &newVersion) < 0 )
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needJar = PR_TRUE;
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}
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}
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return needJar;
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}
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PRInt32
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nsXPINotifierImpl::CompareVersions(VERSION *oldversion, VERSION *newVersion)
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{
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PRInt32 diff;
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if ( oldversion->major == newVersion->major )
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{
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if ( oldversion->minor == newVersion->minor )
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{
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if ( oldversion->release == newVersion->release )
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{
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if ( oldversion->build == newVersion->build )
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diff = 0;
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else if ( oldversion->build > newVersion->build )
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diff = 1;
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else
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diff = -1;
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}
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else if ( oldversion->release > newVersion->release )
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diff = 1;
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else
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diff = -1;
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}
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else if ( oldversion->minor > newVersion->minor )
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diff = 1;
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else
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diff = -1;
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}
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else if ( oldversion->major > newVersion->major )
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diff = 1;
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else
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diff = -1;
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return diff;
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}
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void
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nsXPINotifierImpl::StringToVersionNumbers(const nsString& version, int32 *aMajor, int32 *aMinor, int32 *aRelease, int32 *aBuild)
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{
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PRInt32 errorCode;
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int dot = version.FindChar('.', PR_FALSE,0);
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if ( dot == -1 )
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{
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*aMajor = version.ToInteger(&errorCode);
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}
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else
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{
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nsString majorStr;
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version.Mid(majorStr, 0, dot);
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*aMajor = majorStr.ToInteger(&errorCode);
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int prev = dot+1;
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dot = version.FindChar('.',PR_FALSE,prev);
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if ( dot == -1 )
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{
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nsString minorStr;
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version.Mid(minorStr, prev, version.Length() - prev);
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*aMinor = minorStr.ToInteger(&errorCode);
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}
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else
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{
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nsString minorStr;
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version.Mid(minorStr, prev, dot - prev);
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*aMinor = minorStr.ToInteger(&errorCode);
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prev = dot+1;
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dot = version.FindChar('.',PR_FALSE,prev);
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if ( dot == -1 )
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{
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nsString releaseStr;
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version.Mid(releaseStr, prev, version.Length() - prev);
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*aRelease = releaseStr.ToInteger(&errorCode);
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}
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else
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{
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nsString releaseStr;
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version.Mid(releaseStr, prev, dot - prev);
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*aRelease = releaseStr.ToInteger(&errorCode);
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prev = dot+1;
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if ( version.Length() > dot )
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{
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nsString buildStr;
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version.Mid(buildStr, prev, version.Length() - prev);
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*aBuild = buildStr.ToInteger(&errorCode);
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}
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}
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}
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}
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}
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nsresult
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nsXPINotifierImpl::OpenRemoteDataSource(const char* aURL, PRBool blocking, nsIRDFDataSource** aResult)
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{
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static NS_DEFINE_CID(kRDFXMLDataSourceCID, NS_RDFXMLDATASOURCE_CID);
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nsresult rv;
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nsCOMPtr<nsIRDFRemoteDataSource> remote;
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rv = nsComponentManager::CreateInstance(kRDFXMLDataSourceCID,
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nsnull,
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nsIRDFRemoteDataSource::GetIID(),
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getter_AddRefs(remote));
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if (NS_FAILED(rv)) return rv;
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rv = remote->Init(aURL);
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if (NS_SUCCEEDED(rv))
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{
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if (! blocking)
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{
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nsCOMPtr<nsIRDFXMLSink> sink = do_QueryInterface(remote, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = sink->AddXMLSinkObserver((nsIRDFXMLSinkObserver*)this);
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if (NS_FAILED(rv)) return rv;
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}
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rv = remote->Refresh(blocking);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIRDFDataSource> result = do_QueryInterface(remote, &rv);
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*aResult = result;
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NS_IF_ADDREF(*aResult);
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return rv;
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}
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else
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{
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// 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;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierImpl::OnBeginLoad(nsIRDFXMLSink *aSink)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierImpl::OnInterrupt(nsIRDFXMLSink *aSink)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP
|
|
nsXPINotifierImpl::OnResume(nsIRDFXMLSink *aSink)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierImpl::OnEndLoad(nsIRDFXMLSink *aSink)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIRDFDataSource> distributorDataSource = do_QueryInterface(aSink, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIRDFContainer> distributorContainer;
|
|
nsCOMPtr <nsISimpleEnumerator> packageEnumerator;
|
|
PRBool moreElements;
|
|
|
|
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;
|
|
|
|
|
|
// Get the version information
|
|
nsCOMPtr<nsIRDFNode> versionNode;
|
|
distributorDataSource->GetTarget(aPackage,
|
|
kXPI_NotifierPackage_Version,
|
|
PR_TRUE,
|
|
getter_AddRefs(versionNode));
|
|
|
|
nsCOMPtr<nsIRDFLiteral> version(do_QueryInterface(versionNode, &rv));
|
|
if (NS_FAILED(rv)) break;
|
|
|
|
// Get the regkey information
|
|
nsCOMPtr<nsIRDFNode> regkeyNode;
|
|
distributorDataSource->GetTarget(aPackage,
|
|
kXPI_NotifierPackage_RegKey,
|
|
PR_TRUE,
|
|
getter_AddRefs(regkeyNode));
|
|
|
|
nsCOMPtr<nsIRDFLiteral> regkey(do_QueryInterface(regkeyNode, &rv));
|
|
if (NS_FAILED(rv)) break;
|
|
|
|
// convert them into workable nsAutoStrings
|
|
PRUnichar* regkeyCString;
|
|
regkey->GetValue(®keyCString);
|
|
nsString regKeyString(regkeyCString);
|
|
|
|
PRUnichar* versionCString;
|
|
version->GetValue(&versionCString);
|
|
nsString versionString(versionCString);
|
|
nsAllocator::Free(versionCString);
|
|
nsAllocator::Free(regkeyCString);
|
|
|
|
// check to see if this software title should be "flashed"
|
|
if (IsNewerOrUninstalled(nsAutoCString(regKeyString), nsAutoCString(versionString)))
|
|
{
|
|
//assert into flash
|
|
|
|
nsCOMPtr<nsIRDFNode> urlNode;
|
|
distributorDataSource->GetTarget(kXPI_NotifierPackages,
|
|
kXPI_NotifierPackage_URL,
|
|
PR_TRUE,
|
|
getter_AddRefs(urlNode));
|
|
|
|
nsCOMPtr<nsIRDFLiteral> url(do_QueryInterface(urlNode, &rv));
|
|
if (NS_FAILED(rv)) break;
|
|
|
|
|
|
nsCOMPtr<nsIRDFNode> titleNode;
|
|
distributorDataSource->GetTarget(kXPI_NotifierPackages,
|
|
kXPI_NotifierPackage_Title,
|
|
PR_TRUE,
|
|
getter_AddRefs(titleNode));
|
|
|
|
nsCOMPtr<nsIRDFLiteral> title(do_QueryInterface(titleNode, &rv));
|
|
if (NS_FAILED(rv)) break;
|
|
|
|
nsCOMPtr<nsIRDFDataSource> ds = do_QueryInterface(mInner);
|
|
|
|
ds->Assert(aPackage, kNC_Type, kXPI_Notifier_Type, PR_TRUE);
|
|
ds->Assert(aPackage, kNC_Description, title, PR_TRUE);
|
|
ds->Assert(aPackage, kNC_URL, url, PR_TRUE);
|
|
|
|
ds->Assert(kNC_FlashRoot, kNC_Child, aPackage, PR_TRUE);
|
|
break;
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// nsISupports
|
|
|
|
NS_IMPL_ADDREF(nsXPINotifierImpl);
|
|
NS_IMPL_RELEASE(nsXPINotifierImpl);
|
|
|
|
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()))
|
|
{
|
|
if (mInner)
|
|
return mInner->QueryInterface(aIID, aResult);
|
|
}
|
|
else if (aIID.Equals(nsIRDFXMLSinkObserver::GetIID()))
|
|
{
|
|
*aResult = NS_STATIC_CAST(nsIRDFXMLSinkObserver*, (nsIRDFXMLSinkObserver*)this);
|
|
}
|
|
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);
|
|
|
|
// Module implementation
|
|
class nsXPINotifierModule : public nsIModule
|
|
{
|
|
public:
|
|
nsXPINotifierModule();
|
|
virtual ~nsXPINotifierModule();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_DECL_NSIMODULE
|
|
|
|
protected:
|
|
nsresult Initialize();
|
|
|
|
void Shutdown();
|
|
|
|
PRBool mInitialized;
|
|
nsCOMPtr<nsIGenericFactory> mFactory;
|
|
};
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsXPINotifierModule::nsXPINotifierModule()
|
|
: mInitialized(PR_FALSE)
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
}
|
|
|
|
nsXPINotifierModule::~nsXPINotifierModule()
|
|
{
|
|
Shutdown();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(nsXPINotifierModule, NS_GET_IID(nsIModule))
|
|
|
|
// Perform our one-time intialization for this module
|
|
nsresult
|
|
nsXPINotifierModule::Initialize()
|
|
{
|
|
if (mInitialized) {
|
|
return NS_OK;
|
|
}
|
|
mInitialized = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Shutdown this module, releasing all of the module resources
|
|
void
|
|
nsXPINotifierModule::Shutdown()
|
|
{
|
|
// Release the factory object
|
|
mFactory = nsnull;
|
|
}
|
|
|
|
// Create a factory object for creating instances of aClass.
|
|
NS_IMETHODIMP
|
|
nsXPINotifierModule::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(kXPIUpdateNotifierCID)) {
|
|
if (!mFactory) {
|
|
// Create and save away the factory object for creating
|
|
// new instances of XPINotifier. 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),
|
|
nsXPINotifierImpl::New);
|
|
}
|
|
fact = mFactory;
|
|
}
|
|
else {
|
|
rv = NS_ERROR_FACTORY_NOT_REGISTERED;
|
|
#ifdef DEBUG
|
|
char* cs = aClass.ToString();
|
|
printf("+++ nsXPINotifierModule: 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[] = {
|
|
{ "XPInstall Update Notifier", &kXPIUpdateNotifierCID,
|
|
"component://netscape/rdf/datasource?name=xpinstall-update-notifier", },
|
|
};
|
|
#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierModule::RegisterSelf(nsIComponentManager *aCompMgr,
|
|
nsIFileSpec* aPath,
|
|
const char* registryLocation,
|
|
const char* componentType)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
#ifdef DEBUG
|
|
printf("*** Registering XPINotifier 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("nsXPINotifierModule: unable to register %s component => %x\n",
|
|
cp->mDescription, rv);
|
|
#endif
|
|
break;
|
|
}
|
|
cp++;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierModule::UnregisterSelf(nsIComponentManager* aCompMgr,
|
|
nsIFileSpec* aPath,
|
|
const char* registryLocation)
|
|
{
|
|
#ifdef DEBUG
|
|
printf("*** Unregistering XPINotifier 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("nsXPINotifierModule: unable to unregister %s component => %x\n",
|
|
cp->mDescription, rv);
|
|
#endif
|
|
}
|
|
cp++;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXPINotifierModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
|
|
{
|
|
if (!okToUnload) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
*okToUnload = PR_FALSE;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
static nsXPINotifierModule *gModule = NULL;
|
|
|
|
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
|
|
nsIFileSpec* location,
|
|
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
|
|
nsXPINotifierModule *m = new nsXPINotifierModule();
|
|
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;
|
|
}
|