Back out Bug 589292.

content/base/src/nsDocument.cpp

@@ -6720,11 +6720,14 @@ nsDocument::RetrieveRelevantHeaders(nsIChannel *aChannel)
         }
       }
     } else {
-      nsCAutoString contentDisp;
-      rv = aChannel->GetContentDisposition(contentDisp);
-      if (NS_SUCCEEDED(rv) && !contentDisp.IsEmpty()) {
-        SetHeaderData(nsGkAtoms::headerContentDisposition,
-                      NS_ConvertASCIItoUTF16(contentDisp));
+      nsCOMPtr<nsIMultiPartChannel> partChannel = do_QueryInterface(aChannel);
+      if (partChannel) {
+        nsCAutoString contentDisp;
+        rv = partChannel->GetContentDisposition(contentDisp);
+        if (NS_SUCCEEDED(rv) && !contentDisp.IsEmpty()) {
+          SetHeaderData(nsGkAtoms::headerContentDisposition,
+                        NS_ConvertASCIItoUTF16(contentDisp));
+        }
       }
     }
   }

content/base/src/nsWebSocket.cpp

@@ -2407,7 +2407,6 @@ NOT_IMPLEMENTED_IF_FUNC_1(GetContentType, nsACString &value)
 NOT_IMPLEMENTED_IF_FUNC_1(SetContentType, const nsACString &value)
 NOT_IMPLEMENTED_IF_FUNC_1(GetContentCharset, nsACString &value)
 NOT_IMPLEMENTED_IF_FUNC_1(SetContentCharset, const nsACString &value)
-NOT_IMPLEMENTED_IF_FUNC_1(GetContentDisposition, nsACString &value)
 NOT_IMPLEMENTED_IF_FUNC_1(GetContentLength, PRInt64 *value)
 NOT_IMPLEMENTED_IF_FUNC_1(SetContentLength, PRInt64 value)
 NOT_IMPLEMENTED_IF_FUNC_1(Open, nsIInputStream **_retval)

content/html/document/src/nsWyciwygChannel.cpp

@@ -264,13 +264,6 @@ nsWyciwygChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
-NS_IMETHODIMP
-nsWyciwygChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP
 nsWyciwygChannel::GetContentLength(PRInt64 *aContentLength)
 {

dom/src/jsurl/nsJSProtocolHandler.cpp

@@ -1011,12 +1011,6 @@ nsJSChannel::SetContentCharset(const nsACString &aContentCharset)
     return mStreamChannel->SetContentCharset(aContentCharset);
 }
 
-NS_IMETHODIMP
-nsJSChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-    return mStreamChannel->GetContentDisposition(aContentDisposition);
-}
-
 NS_IMETHODIMP
 nsJSChannel::GetContentLength(PRInt64 *aContentLength)
 {

modules/libjar/nsJARChannel.cpp

@@ -631,13 +631,6 @@ nsJARChannel::SetContentCharset(const nsACString &aContentCharset)
     return NS_OK;
 }
 
-NS_IMETHODIMP
-nsJARChannel::GetContentDisposition(nsACString &result)
-{
-    result = mContentDisposition;
-    return NS_OK;
-}
-
 NS_IMETHODIMP
 nsJARChannel::GetContentLength(PRInt64 *result)
 {
@@ -778,6 +771,7 @@ nsJARChannel::OnDownloadComplete(nsIDownloader *downloader,
     }
 
     if (NS_SUCCEEDED(status) && channel) {
+        nsCAutoString header;
         // Grab the security info from our base channel
         channel->GetSecurityInfo(getter_AddRefs(mSecurityInfo));
 
@@ -786,7 +780,6 @@ nsJARChannel::OnDownloadComplete(nsIDownloader *downloader,
             // We only want to run scripts if the server really intended to
             // send us a JAR file.  Check the server-supplied content type for
             // a JAR type.
-            nsCAutoString header;
             httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Type"),
                                            header);
             nsCAutoString contentType;
@@ -797,6 +790,10 @@ nsJARChannel::OnDownloadComplete(nsIDownloader *downloader,
             mIsUnsafe = !(contentType.Equals(channelContentType) &&
                           (contentType.EqualsLiteral("application/java-archive") ||
                            contentType.EqualsLiteral("application/x-jar")));
+            rv = httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Disposition"),
+                                                header);
+            if (NS_SUCCEEDED(rv))
+                SetPropertyAsACString(NS_CHANNEL_PROP_CONTENT_DISPOSITION, header);
         } else {
             nsCOMPtr<nsIJARChannel> innerJARChannel(do_QueryInterface(channel));
             if (innerJARChannel) {
@@ -804,9 +801,11 @@ nsJARChannel::OnDownloadComplete(nsIDownloader *downloader,
                 innerJARChannel->GetIsUnsafe(&unsafe);
                 mIsUnsafe = unsafe;
             }
+            // Soon-to-be common way to get Disposition: right now only nsIJARChannel
+            rv = NS_GetContentDisposition(request, header);
+            if (NS_SUCCEEDED(rv))
+                SetPropertyAsACString(NS_CHANNEL_PROP_CONTENT_DISPOSITION, header);
         }
-
-        channel->GetContentDisposition(mContentDisposition);
     }
 
     if (NS_SUCCEEDED(status) && mIsUnsafe) {

modules/libjar/nsJARChannel.h

@@ -96,7 +96,6 @@ private:
     nsCOMPtr<nsISupports>           mListenerContext;
     nsCString                       mContentType;
     nsCString                       mContentCharset;
-    nsCString                       mContentDisposition;
     PRInt64                         mContentLength;
     PRUint32                        mLoadFlags;
     nsresult                        mStatus;

modules/libpr0n/decoders/icon/beos/nsIconChannel.cpp

@@ -407,13 +407,6 @@ nsIconChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_ERROR_FAILURE;
 }
 
-NS_IMETHODIMP
-nsIconChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsIconChannel::GetContentLength(PRInt64 *aContentLength)
 {
   *aContentLength = mContentLength;

modules/libpr0n/decoders/icon/mac/nsIconChannelCocoa.mm

@@ -399,13 +399,6 @@ nsIconChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_ERROR_FAILURE;
 }
 
-NS_IMETHODIMP
-nsIconChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsIconChannel::GetContentLength(PRInt64 *aContentLength)
 {
   *aContentLength = mContentLength;

modules/libpr0n/decoders/icon/os2/nsIconChannel.cpp

@@ -636,13 +636,6 @@ nsIconChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_ERROR_FAILURE;
 }
 
-NS_IMETHODIMP
-nsIconChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsIconChannel::GetContentLength(PRInt64 *aContentLength)
 {
   *aContentLength = mContentLength;

modules/libpr0n/decoders/icon/win/nsIconChannel.cpp

@@ -693,13 +693,6 @@ nsIconChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_ERROR_FAILURE;
 }
 
-NS_IMETHODIMP
-nsIconChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsIconChannel::GetContentLength(PRInt64 *aContentLength)
 {
   *aContentLength = mContentLength;

modules/libpr0n/src/imgRequest.cpp

@@ -988,10 +988,11 @@ NS_IMETHODIMP imgRequest::OnDataAvailable(nsIRequest *aRequest, nsISupports *ctx
     /* NS_WARNING if the content type from the channel isn't the same if the sniffing */
 #endif
 
-    nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
     if (mContentType.IsEmpty()) {
       LOG_SCOPE(gImgLog, "imgRequest::OnDataAvailable |sniffing of mimetype failed|");
 
+      nsCOMPtr<nsIChannel> chan(do_QueryInterface(aRequest));
+
       rv = NS_ERROR_FAILURE;
       if (chan) {
         rv = chan->GetContentType(mContentType);
@@ -1031,8 +1032,14 @@ NS_IMETHODIMP imgRequest::OnDataAvailable(nsIRequest *aRequest, nsISupports *ctx
 
     /* set our content disposition as a property */
     nsCAutoString disposition;
-    if (chan) {
-      chan->GetContentDisposition(disposition);
+    nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
+    if (httpChannel) {
+      httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-disposition"), disposition);
+    } else {
+      nsCOMPtr<nsIMultiPartChannel> multiPartChannel(do_QueryInterface(aRequest));
+      if (multiPartChannel) {
+        multiPartChannel->GetContentDisposition(disposition);
+      }
     }
     if (!disposition.IsEmpty()) {
       nsCOMPtr<nsISupportsCString> contentDisposition(do_CreateInstance("@mozilla.org/supports-cstring;1"));
@@ -1092,7 +1099,6 @@ NS_IMETHODIMP imgRequest::OnDataAvailable(nsIRequest *aRequest, nsISupports *ctx
 
     if (imageType == imgIContainer::TYPE_RASTER) {
       /* Use content-length as a size hint for http channels. */
-      nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aRequest));
       if (httpChannel) {
         PRInt64 contentLength;
         rv = httpChannel->GetContentLength(&contentLength);

netwerk/base/public/nsChannelProperties.h

@@ -50,6 +50,13 @@
  */
 
 
+/**
+ * MIME Content-Disposition header of channel.  
+ * Not available before onStartRequest. 
+ * Type: nsACString
+ */
+#define NS_CHANNEL_PROP_CONTENT_DISPOSITION_STR "content-disposition"
+
 /**
  * Exists to allow content policy mechanism to function properly during channel
  * redirects.  Contains security contextual information about the load.
@@ -58,8 +65,11 @@
 #define NS_CHANNEL_PROP_CHANNEL_POLICY_STR "channel-policy"
 
 #ifdef IMPL_NS_NET
+#define NS_CHANNEL_PROP_CONTENT_DISPOSITION gNetStrings->kContentDisposition
 #define NS_CHANNEL_PROP_CHANNEL_POLICY gNetStrings->kChannelPolicy
 #else
+#define NS_CHANNEL_PROP_CONTENT_DISPOSITION \
+  NS_LITERAL_STRING(NS_CHANNEL_PROP_CONTENT_DISPOSITION_STR)
 #define NS_CHANNEL_PROP_CHANNEL_POLICY \
   NS_LITERAL_STRING(NS_CHANNEL_PROP_CHANNEL_POLICY_STR)
 #endif

netwerk/base/public/nsIChannel.idl

@@ -56,7 +56,7 @@ interface nsIStreamListener;
  *
  * This interface must be used only from the XPCOM main thread.
  */
-[scriptable, uuid(3906f857-3d79-4716-be55-ed2455d666f4)]
+[scriptable, uuid(e0bb5c49-c54e-4efb-8f0d-6a7edd926fab)]
 interface nsIChannel : nsIRequest
 {
     /**
@@ -157,13 +157,6 @@ interface nsIChannel : nsIRequest
      */
     attribute PRInt64 contentLength;
 
-    /**
-     * Access to the Content-Disposition header if available and if applicable.
-     * This allows getting the preferred handling method, preferred filename,
-     * etc.  See RFC 2183.
-     */
-    readonly attribute ACString contentDisposition;
-
     /**
      * Synchronously open the channel.
      *

netwerk/base/public/nsIMultiPartChannel.idl

@@ -45,7 +45,7 @@ interface nsIChannel;
  * associated with a MultiPartChannel.
  */
 
-[scriptable, uuid(51698f28-c975-4bce-a951-25130cda0113)]
+[scriptable, uuid(ba78db7b-b88c-4b76-baf9-3c2296a585ae)]
 interface nsIMultiPartChannel : nsISupports
 {
     /**
@@ -53,6 +53,13 @@ interface nsIMultiPartChannel : nsISupports
      */
     readonly attribute nsIChannel baseChannel;
 
+    /**
+     * Access to the Content-Disposition header field of this part of
+     * a multipart message.  This allows getting the preferred
+     * handling method, preferred filename, etc.  See RFC 2183.
+     */
+    attribute ACString contentDisposition;
+
     /**
      * Attribute guaranteed to be different for different parts of
      * the same multipart document.

netwerk/base/public/nsNetStrings.h

@@ -47,6 +47,7 @@ class nsNetStrings {
 public:
   nsNetStrings();
 
+  const nsLiteralString kContentDisposition;
   const nsLiteralString kChannelPolicy;
 };
 

netwerk/base/public/nsNetUtil.h

@@ -238,6 +238,19 @@ NS_NewChannel(nsIChannel           **result,
     return rv;
 }
 
+// For now, works only with JARChannel.  Future: with all channels that may
+// have Content-Disposition header (JAR, nsIHttpChannel, and nsIMultiPartChannel).
+inline nsresult
+NS_GetContentDisposition(nsIRequest     *channel,
+                         nsACString     &result)
+{
+    nsCOMPtr<nsIPropertyBag2> props(do_QueryInterface(channel));
+    if (props)
+        return props->GetPropertyAsACString(NS_CHANNEL_PROP_CONTENT_DISPOSITION,
+                                            result);
+    return NS_ERROR_NOT_AVAILABLE;
+}
+
 // Use this function with CAUTION. It creates a stream that blocks when you
 // Read() from it and blocking the UI thread is a bad idea. If you don't want
 // to implement a full blown asynchronous consumer (via nsIStreamListener) look

netwerk/base/src/nsBaseChannel.cpp

@@ -503,13 +503,6 @@ nsBaseChannel::SetContentCharset(const nsACString &aContentCharset)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsBaseChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition = mContentDisposition;
-  return NS_OK;
-}
-
 NS_IMETHODIMP
 nsBaseChannel::GetContentLength(PRInt64 *aContentLength)
 {

netwerk/base/src/nsBaseChannel.h

@@ -290,7 +290,6 @@ private:
   nsCOMPtr<nsIChannel>                mRedirectChannel;
   nsCString                           mContentType;
   nsCString                           mContentCharset;
-  nsCString                           mContentDisposition;
   PRInt64                             mContentLength;
   PRUint32                            mLoadFlags;
   nsresult                            mStatus;

netwerk/base/src/nsNetStrings.cpp

@@ -40,7 +40,8 @@
 NS_HIDDEN_(nsNetStrings*) gNetStrings;
 
 nsNetStrings::nsNetStrings()
-  : NS_LITERAL_STRING_INIT(kChannelPolicy, NS_CHANNEL_PROP_CHANNEL_POLICY_STR)
+  : NS_LITERAL_STRING_INIT(kContentDisposition, NS_CHANNEL_PROP_CONTENT_DISPOSITION_STR),
+    NS_LITERAL_STRING_INIT(kChannelPolicy, NS_CHANNEL_PROP_CHANNEL_POLICY_STR)
 {}
 
 

netwerk/protocol/http/HttpBaseChannel.cpp

@@ -358,18 +358,6 @@ HttpBaseChannel::SetContentCharset(const nsACString& aContentCharset)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-HttpBaseChannel::GetContentDisposition(nsACString& aContentDisposition)
-{
-  aContentDisposition.Truncate();
-
-  if (!mResponseHead)
-    return NS_ERROR_NOT_AVAILABLE;
-
-  mResponseHead->GetHeader(nsHttp::Content_Disposition, aContentDisposition);
-  return NS_OK;
-}
-
 NS_IMETHODIMP
 HttpBaseChannel::GetContentLength(PRInt64 *aContentLength)
 {

netwerk/protocol/http/HttpBaseChannel.h

@@ -129,7 +129,6 @@ public:
   NS_IMETHOD SetContentType(const nsACString& aContentType);
   NS_IMETHOD GetContentCharset(nsACString& aContentCharset);
   NS_IMETHOD SetContentCharset(const nsACString& aContentCharset);
-  NS_IMETHOD GetContentDisposition(nsACString& aContentDisposition);
   NS_IMETHOD GetContentLength(PRInt64 *aContentLength);
   NS_IMETHOD SetContentLength(PRInt64 aContentLength);
   NS_IMETHOD Open(nsIInputStream **aResult);

netwerk/protocol/viewsource/nsViewSourceChannel.cpp

@@ -369,14 +369,6 @@ nsViewSourceChannel::SetContentCharset(const nsACString &aContentCharset)
     return mChannel->SetContentCharset(aContentCharset);
 }
 
-NS_IMETHODIMP
-nsViewSourceChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-    NS_ENSURE_TRUE(mChannel, NS_ERROR_FAILURE);
-
-    return mChannel->GetContentDisposition(aContentDisposition);
-}
-
 NS_IMETHODIMP
 nsViewSourceChannel::GetContentLength(PRInt64 *aContentLength)
 {

netwerk/streamconv/converters/nsMultiMixedConv.cpp

@@ -344,6 +344,13 @@ nsPartChannel::GetContentDisposition(nsACString &aContentDisposition)
     return NS_OK;
 }
 
+NS_IMETHODIMP
+nsPartChannel::SetContentDisposition(const nsACString &aContentDisposition)
+{
+    mContentDisposition = aContentDisposition;
+    return NS_OK;
+}
+
 NS_IMETHODIMP
 nsPartChannel::GetPartID(PRUint32 *aPartID)
 {
@@ -793,7 +800,8 @@ nsMultiMixedConv::SendStart(nsIChannel *aChannel) {
     rv = mPartChannel->SetContentLength(mContentLength);
     if (NS_FAILED(rv)) return rv;
 
-    mPartChannel->SetContentDisposition(mContentDisposition);
+    rv = mPartChannel->SetContentDisposition(mContentDisposition);
+    if (NS_FAILED(rv)) return rv;
 
     nsLoadFlags loadFlags = 0;
     mPartChannel->GetLoadFlags(&loadFlags);

netwerk/streamconv/converters/nsMultiMixedConv.h

@@ -77,11 +77,6 @@ public:
                                PRUint32 aOffset, PRUint32 aLen);
   nsresult SendOnStopRequest(nsISupports* aContext, nsresult aStatus);
 
-  void SetContentDisposition(const nsACString& aDisposition)
-  {
-    mContentDisposition = aDisposition;
-  }
-
   NS_DECL_ISUPPORTS
   NS_DECL_NSIREQUEST
   NS_DECL_NSICHANNEL

uriloader/base/nsURILoader.cpp

@@ -386,9 +386,26 @@ nsresult nsDocumentOpenInfo::DispatchContent(nsIRequest *request, nsISupports *
   // future, because the user has specified external handling for the MIME
   // type.
   PRBool forceExternalHandling = PR_FALSE;
-  nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(request));
   nsCAutoString disposition;
-  rv = aChannel->GetContentDisposition(disposition);
+  nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(request));
+  nsCOMPtr<nsIURI> uri;
+  if (httpChannel)
+  {
+    rv = httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-disposition"),
+                                        disposition);
+    httpChannel->GetURI(getter_AddRefs(uri));
+  }
+  else
+  {
+    nsCOMPtr<nsIMultiPartChannel> multipartChannel(do_QueryInterface(request));
+    if (multipartChannel)
+    {
+      rv = multipartChannel->GetContentDisposition(disposition);
+    } else {
+      // Soon-to-be common way to get Disposition: right now only JARChannel
+      rv = NS_GetContentDisposition(request, disposition);
+    }
+  }
 
   LOG(("  Disposition header: '%s'", disposition.get()));
 
@@ -398,9 +415,6 @@ nsresult nsDocumentOpenInfo::DispatchContent(nsIRequest *request, nsISupports *
     if (NS_SUCCEEDED(rv))
     {
       nsCAutoString fallbackCharset;
-      nsCOMPtr<nsIURI> uri;
-      if (httpChannel)
-        httpChannel->GetURI(getter_AddRefs(uri));
       if (uri)
         uri->GetOriginCharset(fallbackCharset);
       nsAutoString dispToken;

uriloader/exthandler/ExternalHelperAppParent.cpp

@@ -295,13 +295,6 @@ ExternalHelperAppParent::SetContentCharset(const nsACString& aContentCharset)
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
-NS_IMETHODIMP
-ExternalHelperAppParent::GetContentDisposition(nsACString& aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP
 ExternalHelperAppParent::GetContentLength(PRInt64 *aContentLength)
 {

uriloader/exthandler/nsExternalHelperAppService.cpp

@@ -222,6 +222,31 @@ static nsresult UnescapeFragment(const nsACString& aFragment, nsIURI* aURI,
   return rv;
 }
 
+/** Gets the content-disposition header from a channel, using nsIHttpChannel
+ * or nsIMultipartChannel if available
+ * @param aChannel The channel to extract the disposition header from
+ * @param aDisposition Reference to a string where the header is to be stored
+ */
+static void ExtractDisposition(nsIChannel* aChannel, nsACString& aDisposition)
+{
+  aDisposition.Truncate();
+  // First see whether this is an http channel
+  nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aChannel));
+  if (httpChannel) 
+  {
+    httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("content-disposition"), aDisposition);
+  }
+  if (aDisposition.IsEmpty())
+  {
+    nsCOMPtr<nsIMultiPartChannel> multipartChannel(do_QueryInterface(aChannel));
+    if (multipartChannel)
+    {
+      multipartChannel->GetContentDisposition(aDisposition);
+    }
+  }
+
+}
+
 /** Extracts the filename out of a content-disposition header
  * @param aFilename [out] The filename. Can be empty on error.
  * @param aDisposition Value of a Content-Disposition header
@@ -289,7 +314,7 @@ static PRBool GetFilenameAndExtensionFromChannel(nsIChannel* aChannel,
    * permission... otherwise just use our temp file
    */
   nsCAutoString disp;
-  aChannel->GetContentDisposition(disp);
+  ExtractDisposition(aChannel, disp);
   PRBool handleExternally = PR_FALSE;
   nsCOMPtr<nsIURI> uri;
   nsresult rv;

uriloader/exthandler/nsExternalProtocolHandler.cpp

@@ -247,12 +247,6 @@ NS_IMETHODIMP nsExtProtocolChannel::SetContentCharset(const nsACString &aContent
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
-NS_IMETHODIMP nsExtProtocolChannel::GetContentDisposition(nsACString &aContentDisposition)
-{
-  aContentDisposition.Truncate();
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsExtProtocolChannel::GetContentLength(PRInt64 * aContentLength)
 {
   *aContentLength = -1;