netwerk/protocol/about/src/nsAboutBlank.cpp

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  37
  38 #include "nsAboutBlank.h"
  39 #include "nsIIOService.h"
  40 #include "nsIServiceManager.h"
  41 #include "nsStringStream.h"
  42 #include "nsNetUtil.h"
  43
  44 NS_IMPL_ISUPPORTS1(nsAboutBlank, nsIAboutModule)
  45
  46 static const char kBlankPage[] = "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"
  47 "<html><head><title></title></head><body></body></html>";
  48
  49 NS_IMETHODIMP
  50 nsAboutBlank::NewChannel(nsIURI *aURI, nsIChannel **result)
  51 {
  52     NS_ENSURE_ARG_POINTER(aURI);
  53     nsresult rv;
  54     nsIChannel* channel;
  55
  56     nsCOMPtr<nsIInputStream> in;
  57     rv = NS_NewCStringInputStream(getter_AddRefs(in), NS_LITERAL_CSTRING(kBlankPage));
  58     if (NS_FAILED(rv)) return rv;
  59
  60     rv = NS_NewInputStreamChannel(&channel, aURI, in,
  61                                   NS_LITERAL_CSTRING("text/html"),
  62                                   NS_LITERAL_CSTRING("utf-8"));
  63     if (NS_FAILED(rv)) return rv;
  64
  65     *result = channel;
  66     return rv;
  67 }
  68
  69 NS_IMETHODIMP
  70 nsAboutBlank::GetURIFlags(nsIURI *aURI, PRUint32 *result)
  71 {
  72     *result = nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT;
  73     return NS_OK;
  74 }
  75
  76 NS_METHOD
  77 nsAboutBlank::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
  78 {
  79     nsAboutBlank* about = new nsAboutBlank();
  80     if (about == nsnull)
  81         return NS_ERROR_OUT_OF_MEMORY;
  82     NS_ADDREF(about);
  83     nsresult rv = about->QueryInterface(aIID, aResult);
  84     NS_RELEASE(about);
  85     return rv;
  86 }
  87
  88 ////////////////////////////////////////////////////////////////////////////////