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lightning-sunbird  0.9+nobinonly
nsImportStringBundle.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00037 #include "prprf.h"
00038 #include "prmem.h"
00039 #include "nsCOMPtr.h"
00040 #include "nsReadableUtils.h"
00041 #include "nsIStringBundle.h"
00042 #include "nsImportStringBundle.h"
00043 #include "nsIServiceManager.h"
00044 #include "nsIProxyObjectManager.h"
00045 #include "nsIURI.h"
00046 
00047 static NS_DEFINE_CID(kProxyObjectManagerCID, NS_PROXYEVENT_MANAGER_CID);
00048 
00049 #define IMPORT_MSGS_URL       "chrome://messenger/locale/importMsgs.properties"
00050 
00051 nsIStringBundle *    nsImportStringBundle::m_pBundle = nsnull;
00052 
00053 nsIStringBundle *nsImportStringBundle::GetStringBundle( void)
00054 {
00055        if (m_pBundle)
00056               return( m_pBundle);
00057 
00058        nsresult                    rv;
00059        const char                  propertyURL[] = IMPORT_MSGS_URL;
00060        nsIStringBundle*     sBundle = nsnull;
00061 
00062 
00063        nsCOMPtr<nsIStringBundleService> sBundleService = 
00064                 do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv); 
00065        if (NS_SUCCEEDED(rv) && (nsnull != sBundleService)) {
00066               rv = sBundleService->CreateBundle(propertyURL, &sBundle);
00067        }
00068        
00069        m_pBundle = sBundle;
00070        return( sBundle);
00071 }
00072 
00073 nsIStringBundle *nsImportStringBundle::GetStringBundleProxy( void)
00074 {
00075        if (!m_pBundle)
00076               return( nsnull);
00077 
00078        nsIStringBundle *strProxy = nsnull;
00079        nsresult rv;
00080        // create a proxy object if we aren't on the same thread?
00081        nsCOMPtr<nsIProxyObjectManager> proxyMgr = 
00082                 do_GetService(kProxyObjectManagerCID, &rv);
00083        if (NS_SUCCEEDED(rv)) {
00084               rv = proxyMgr->GetProxyForObject( NS_UI_THREAD_EVENTQ, NS_GET_IID(nsIStringBundle),
00085                                                                       m_pBundle, PROXY_SYNC | PROXY_ALWAYS, (void **) &strProxy);
00086        }
00087 
00088        return( strProxy);
00089 }
00090 
00091 void nsImportStringBundle::GetStringByID( PRInt32 stringID, nsString& result, nsIStringBundle *pBundle)
00092 {
00093        
00094        PRUnichar *ptrv = GetStringByID( stringID, pBundle);    
00095        result = ptrv;
00096        FreeString( ptrv);
00097 }
00098 
00099 PRUnichar *nsImportStringBundle::GetStringByID(PRInt32 stringID, nsIStringBundle *pBundle)
00100 {
00101        if (!pBundle) {
00102               pBundle = GetStringBundle();
00103        }
00104        
00105        if (pBundle) {
00106               PRUnichar *ptrv = nsnull;
00107               nsresult rv = pBundle->GetStringFromID(stringID, &ptrv);
00108                             
00109               if (NS_SUCCEEDED( rv) && ptrv)
00110                      return( ptrv);
00111        }
00112 
00113        nsString resultString(NS_LITERAL_STRING("[StringID "));
00114        resultString.AppendInt(stringID);
00115        resultString.AppendLiteral("?]");
00116 
00117        return( ToNewUnicode(resultString));
00118 }
00119 
00120 void nsImportStringBundle::Cleanup( void)
00121 {
00122        if (m_pBundle)
00123               m_pBundle->Release();
00124        m_pBundle = nsnull;
00125 }
00126