intl/chardet/src/nsObserverBase.cpp

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  37
  38 //#define DONT_INFORM_WEBSHELL
  39
  40 #include "nsIServiceManager.h"
  41 #include "nsIWebShellServices.h"
  42 #include "nsObserverBase.h"
  43 #include "nsString.h"
  44 #include "nsIHttpChannel.h"
  45
  46
  47
  48 //-------------------------------------------------------------------------
  49 NS_IMETHODIMP nsObserverBase::NotifyWebShell(nsISupports* aWebShell,
  50                                              nsISupports* aChannel,
  51                                              const char* charset,
  52                                              PRInt32 source)
  53 {
  54
  55    nsresult rv  = NS_OK;
  56    nsresult res = NS_OK;
  57
  58    nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aChannel,&res));
  59    if (NS_SUCCEEDED(res)) {
  60      nsCAutoString method;
  61      httpChannel->GetRequestMethod(method);
  62      if (method.EqualsLiteral("POST")) { // XXX What about PUT, etc?
  63        return NS_OK;
  64      }
  65    }
  66
  67    nsCOMPtr<nsIWebShellServices> wss;
  68    wss = do_QueryInterface(aWebShell,&res);
  69    if (NS_SUCCEEDED(res)) {
  70
  71 #ifndef DONT_INFORM_WEBSHELL
  72      // ask the webshellservice to load the URL
  73      if (NS_FAILED( res = wss->SetRendering(PR_FALSE) ))
  74        rv = res;
  75
  76      // XXX nisheeth, uncomment the following two line to see the reent problem
  77
  78      else if (NS_FAILED(res = wss->StopDocumentLoad())){
  79              rv = wss->SetRendering(PR_TRUE); // turn on the rendering so at least we will see something.
  80      }
  81      else if (NS_FAILED(res = wss->ReloadDocument(charset, source))) {
  82              rv = wss->SetRendering(PR_TRUE); // turn on the rendering so at least we will see something.
  83      }
  84      else {
  85        rv = NS_ERROR_HTMLPARSER_STOPPARSING; // We're reloading a new document...stop loading the current.
  86      }
  87 #endif
  88    }
  89
  90    //if our reload request is not accepted, we should tell parser to go on
  91   if (rv != NS_ERROR_HTMLPARSER_STOPPARSING)
  92     rv = NS_ERROR_HTMLPARSER_CONTINUE;
  93
  94   return rv;
  95 }