xpfe/appshell/src/nsAbout.cpp

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  37
  38 #include "nsAbout.h"
  39 #include "nsIIOService.h"
  40 #include "nsIServiceManager.h"
  41 #include "nsIChannel.h"
  42 #include "nsCOMPtr.h"
  43 #include "nsIURI.h"
  44 #include "nsNetCID.h"
  45 #include "nsIScriptSecurityManager.h"
  46 #include "nsLiteralString.h"
  47
  48 NS_IMPL_ISUPPORTS1(nsAbout, nsIAboutModule)
  49
  50 static const char kURI[] = "chrome://global/content/about.xhtml";
  51
  52 NS_IMETHODIMP
  53 nsAbout::NewChannel(nsIURI *aURI, nsIChannel **result)
  54 {
  55     nsresult rv;
  56     nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
  57     NS_ENSURE_SUCCESS(rv, rv);
  58
  59     nsCOMPtr<nsIChannel> tempChannel;
  60     rv = ioService->NewChannel(NS_LITERAL_CSTRING(kURI), nsnull, nsnull,
  61                                getter_AddRefs(tempChannel));
  62     NS_ENSURE_SUCCESS(rv, rv);
  63
  64     nsCOMPtr<nsIScriptSecurityManager> securityManager =
  65              do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
  66     NS_ENSURE_SUCCESS(rv, rv);
  67
  68     nsCOMPtr<nsIPrincipal> principal;
  69     rv = securityManager->GetCodebasePrincipal(aURI, getter_AddRefs(principal));
  70     NS_ENSURE_SUCCESS(rv, rv);
  71
  72     nsCOMPtr<nsISupports> owner = do_QueryInterface(principal);
  73     rv = tempChannel->SetOwner(owner);
  74     *result = tempChannel.get();
  75     NS_ADDREF(*result);
  76     return rv;
  77 }
  78
  79 NS_IMETHODIMP
  80 nsAbout::GetURIFlags(nsIURI *aURI, PRUint32 *result)
  81 {
  82     *result = nsIAboutModule::ALLOW_SCRIPT;
  83     return NS_OK;
  84 }
  85
  86 NS_METHOD
  87 nsAbout::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
  88 {
  89     nsAbout* about = new nsAbout();
  90     if (about == nsnull)
  91         return NS_ERROR_OUT_OF_MEMORY;
  92     NS_ADDREF(about);
  93     nsresult rv = about->QueryInterface(aIID, aResult);
  94     NS_RELEASE(about);
  95     return rv;
  96 }
  97