get imap message display working

mailnews/imap/public/nsIImapProtocol.h

@@ -39,6 +39,7 @@
 
 class nsIURL;
 class nsIImapHostSessionList;
+class nsIWebShell;
 
 class nsIImapProtocol : public nsIStreamListener
 {
@@ -72,6 +73,10 @@ public:
 	// methods to get data from the imap parser flag state.
 	NS_IMETHOD GetFlagsForUID(PRUint32 uid, PRBool *foundIt, imapMessageFlagsType *flags) = 0;
 	NS_IMETHOD GetSupportedUserFlags(PRUint16 *flags) = 0;
+
+	// this is for the temp message display hack
+	NS_IMETHOD GetDisplayStream (nsIWebShell **webShell) = 0;
+
 };
 
 #endif /* nsIImapProtocol_h___ */

mailnews/imap/public/nsIImapService.h

@@ -83,6 +83,7 @@ public:
                             nsIMsgFolder * aImapMailFolder, 
                             nsIImapMessageSink * aImapMessage,
                             nsIUrlListener * aUrlListener, nsIURL ** aURL,
+							nsISupports *aConsumer,
                             const char *messageIdentifierList,
                             PRBool messageIdsAreUID) = 0;
 	NS_IMETHOD Noop(PLEventQueue * aClientEventQueue, 

mailnews/imap/src/nsImapMailFolder.cpp

@@ -37,6 +37,7 @@
 #include "nsMsgUtils.h"
 #include "nsIMsgMailSession.h"
 #include "nsImapMessage.h"
+#include "nsIWebShell.h"
 
 // we need this because of an egcs 1.0 (and possibly gcc) compiler bug
 // that doesn't allow you to call ::nsISupports::GetIID() inside of a class
@@ -52,6 +53,18 @@ static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
 static NS_DEFINE_CID(kMsgMailSessionCID, NS_MSGMAILSESSION_CID);
 
 ////////////////////////////////////////////////////////////////////////////////
+// for temp message hack
+#ifdef XP_UNIX
+#define MESSAGE_PATH "/usr/tmp/tempMessage.eml"
+#endif
+
+#ifdef XP_PC
+#define MESSAGE_PATH  "c:\\temp\\tempMessage.eml"
+#endif
+
+#ifdef XP_MAC
+#define MESSAGE_PATH  "tempMessage.eml"
+#endif
 
 nsImapMailFolder::nsImapMailFolder() :
 	nsMsgFolder(), m_pathName(""), m_mailDatabase(nsnull),
@@ -65,7 +78,7 @@ nsImapMailFolder::nsImapMailFolder() :
     
     nsIRDFService* rdfService = nsnull;
     nsIRDFDataSource* datasource = nsnull;
-    
+	m_tempMessageFile = nsnull;
     nsresult rv = nsServiceManager::GetService(kRDFServiceCID,
                                                nsIRDFService::GetIID(),
                                                (nsISupports**) &rdfService);
@@ -1424,22 +1437,51 @@ NS_IMETHODIMP
 nsImapMailFolder::SetupMsgWriteStream(nsIImapProtocol* aProtocol,
                                       StreamInfo* aStreamInfo)
 {
-    return NS_ERROR_FAILURE;
+	// create a temp file to write the message into. We need to do this because
+	// we don't have pluggable converters yet. We want to let mkfile do the work of 
+	// converting the message from RFC-822 to HTML before displaying it...
+	PR_Delete(MESSAGE_PATH);
+	m_tempMessageFile = PR_Open(MESSAGE_PATH, PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 00700);
+    return NS_OK;
 }
 
 NS_IMETHODIMP 
 nsImapMailFolder::ParseAdoptedMsgLine(nsIImapProtocol* aProtocol,
                                       msg_line_info* aMsgLineInfo)
 {
-    return NS_ERROR_FAILURE;
+   if (m_tempMessageFile)                                                      
+         PR_Write(m_tempMessageFile,(void *) aMsgLineInfo->adoptedMessageLine, 
+			 PL_strlen(aMsgLineInfo->adoptedMessageLine));
+                                                                                                                                                  
+     return NS_OK;                                                               
 }
     
 NS_IMETHODIMP
 nsImapMailFolder::NormalEndMsgWriteStream(nsIImapProtocol* aProtocol)
 {
-    return NS_ERROR_FAILURE;
+	nsresult res = NS_OK;
+	if (m_tempMessageFile)
+	{
+		nsIWebShell *webShell;
+
+		PR_Close(m_tempMessageFile);
+		m_tempMessageFile = nsnull;
+		res = aProtocol->GetDisplayStream(&webShell);
+		if (NS_SUCCEEDED(res) && webShell)
+		{
+			nsFilePath filePath(MESSAGE_PATH);
+			nsFileURL  fileURL(filePath);
+			char * message_path_url = PL_strdup(fileURL.GetAsString());
+
+			res = webShell->LoadURL(nsAutoString(message_path_url).GetUnicode(), nsnull, PR_TRUE, nsURLReload, 0);
+
+			PR_FREEIF(message_path_url);
+		}
+	}
+
+	return res;
 }
-    
+
 NS_IMETHODIMP
 nsImapMailFolder::AbortMsgWriteStream(nsIImapProtocol* aProtocol)
 {

mailnews/imap/src/nsImapMailFolder.h

@@ -270,6 +270,12 @@ protected:
 	PRInt32			m_nextMessageByteLength;
     PLEventQueue* m_eventQueue;
     PRBool m_urlRunning;
+
+	// part of temporary libmime converstion trick......these should go away once MIME uses a new stream
+	// converter interface...
+	PRFileDesc* m_tempMessageFile;
+
+
 };
 
 #endif

mailnews/imap/src/nsImapProtocol.cpp

@@ -30,6 +30,7 @@
 #include "nsImapServerResponseParser.h"
 #include "nspr.h"
 #include "plbase64.h"
+#include "nsIWebShell.h"
 
 PRLogModuleInfo *IMAP;
 
@@ -43,11 +44,26 @@ PRLogModuleInfo *IMAP;
 
 #include "nsIMsgIncomingServer.h"
 
+// for temp message hack
+#ifdef XP_UNIX
+#define MESSAGE_PATH "/usr/tmp/tempMessage.eml"
+#endif
+
+#ifdef XP_PC
+#define MESSAGE_PATH  "c:\\temp\\tempMessage.eml"
+#endif
+
+#ifdef XP_MAC
+#define MESSAGE_PATH  "tempMessage.eml"
+#endif
+
+
 #define ONE_SECOND ((PRUint32)1000)    // one second
 
 const char *kImapTrashFolderName = "Trash"; // **** needs to be localized ****
 
 static NS_DEFINE_CID(kNetServiceCID, NS_NETSERVICE_CID);
+static NS_DEFINE_IID(kIWebShell, NS_IWEB_SHELL_IID);
 
 #define OUTPUT_BUFFER_SIZE (4096*2) // mscott - i should be able to remove this if I can use nsMsgLineBuffer???
 
@@ -235,6 +251,7 @@ nsresult nsImapProtocol::Initialize(nsIImapHostSessionList * aHostSessionList, P
 	if (!aSinkEventQueue || !aHostSessionList)
         return NS_ERROR_NULL_POINTER;
 
+	m_displayConsumer = nsnull;
     m_sinkEventQueue = aSinkEventQueue;
     m_hostSessionList = aHostSessionList;
     m_parser.SetHostSessionList(aHostSessionList);
@@ -888,6 +905,16 @@ NS_IMETHODIMP nsImapProtocol::OnStopBinding(nsIURL* aURL, nsresult aStatus, cons
 // End of nsIStreamListenerSupport
 //////////////////////////////////////////////////////////////////////////////////////////////
 
+NS_IMETHODIMP nsImapProtocol::GetDisplayStream (nsIWebShell **webShell)
+{
+	if (webShell)
+	{
+		*webShell = m_displayConsumer;
+		return NS_OK;
+	}
+	return NS_ERROR_NULL_POINTER;
+}
+
 /*
  * Writes the data contained in dataBuffer into the current output stream. It also informs
  * the transport layer that this data is now available for transmission.
@@ -939,6 +966,9 @@ nsresult nsImapProtocol::LoadUrl(nsIURL * aURL, nsISupports * aConsumer)
 	nsIImapUrl * imapUrl = nsnull;
 	if (aURL)
 	{
+		if (aConsumer)
+			rv = aConsumer->QueryInterface(kIWebShell, (void **) &m_displayConsumer);
+
 		if (m_transport == nsnull) // i.e. we haven't been initialized yet....
 			SetupWithUrl(aURL); 
 

mailnews/imap/src/nsImapProtocol.h

@@ -38,6 +38,7 @@
 
 class nsIMAPMessagePartIDArray;
 class nsIMsgIncomingServer;
+class nsIWebShell;
 
 // State Flags (Note, I use the word state in terms of storing 
 // state information about the connection (authentication, have we sent
@@ -97,6 +98,8 @@ public:
 
 	NS_IMETHOD GetFlagsForUID(PRUint32 uid, PRBool *foundIt, imapMessageFlagsType *flags);
 	NS_IMETHOD GetSupportedUserFlags(PRUint16 *flags);
+
+	NS_IMETHOD GetDisplayStream (nsIWebShell **webShell);
 	////////////////////////////////////////////////////////////////////////////////////////
 	// End of nsIStreamListenerSupport
 	////////////////////////////////////////////////////////////////////////////////////////
@@ -264,6 +267,7 @@ private:
 	nsIOutputStream			* m_outputStream;   // this will be obtained from the transport interface
 	nsIStreamListener	    * m_outputConsumer; // this will be obtained from the transport interface
 
+	nsIWebShell				* m_displayConsumer; // if we are displaying an article this is the rfc-822 display sink...
 
 	// this is a method designed to buffer data coming from the input stream and efficiently extract out 
 	// a line on each call. We read out as much of the stream as we can and store the extra that doesn't

mailnews/imap/src/nsImapService.cpp

@@ -265,7 +265,7 @@ NS_IMETHODIMP nsImapService::DisplayMessage(const char* aMessageURI, nsISupports
 
 				messageIdString.Append(msgKey, 10);
 				rv = FetchMessage(queue, folder, imapMessageSink, aUrlListener, 
-					aURL, messageIdString.GetBuffer(), PR_TRUE);
+					aURL, aDisplayConsumer, messageIdString.GetBuffer(), PR_TRUE);
 			}
 						
 		}
@@ -296,6 +296,7 @@ nsImapService::FetchMessage(PLEventQueue * aClientEventQueue,
                             nsIMsgFolder * aImapMailFolder, 
                             nsIImapMessageSink * aImapMessage,
                             nsIUrlListener * aUrlListener, nsIURL ** aURL,
+							nsISupports * aDisplayConsumer, 
                             const char *messageIdentifierList,
                             PRBool messageIdsAreUID)
 {
@@ -335,7 +336,7 @@ nsImapService::FetchMessage(PLEventQueue * aClientEventQueue,
             delete [] folderName;
 			rv = imapUrl->SetSpec(urlSpec.GetBuffer());
 			imapUrl->RegisterListener(aUrlListener);  // register listener if there is one.
-			protocolInstance->LoadUrl(imapUrl, nsnull);
+			protocolInstance->LoadUrl(imapUrl, aDisplayConsumer);
 			if (aURL)
 				*aURL = imapUrl; 
 			else

mailnews/imap/src/nsImapService.h

@@ -56,6 +56,7 @@ public:
                             nsIImapMessageSink * aImapMessage,
                             nsIUrlListener * aUrlListener, 
                             nsIURL ** aURL,
+							nsISupports *aConsumer,
                             const char *messageIdentifierList,
                             PRBool messageIdsAreUID);
 	NS_IMETHOD Noop(PLEventQueue * aClientEventQueue,