Implement support for the "type" attribute of <a> elements. Bug 214626,

r=adamlock, sr=darin

docshell/shistory/public/nsISHEntry.idl

@@ -95,14 +95,18 @@ attribute boolean saveLayoutStateFlag;
 /** attribute to indicate whether the page is already expired in cache */
 attribute boolean expirationStatus;
 
+/** attribute to indicate the content-type of the document that this
+    is a session history entry for */
+attribute ACString contentType; 
+ 
 /** Set/Get scrollers' positon in anchored pages */
 void setScrollPosition(in PRInt32 x, in PRInt32 y);
 void getScrollPosition(out PRInt32 x, out PRInt32 y);
 
 /** Additional ways to create an entry */
 void create(in nsIURI aURI, in wstring aTitle, in nsIDOMDocument aDocument,
-			         in nsIInputStream aInputStream, in nsILayoutHistoryState aHistoryLayoutState,
-               in nsISupports aCacheKey);
+            in nsIInputStream aInputStream, in nsILayoutHistoryState aHistoryLayoutState,
+            in nsISupports aCacheKey, in ACString aContentType);
 
 nsISHEntry clone();
 

docshell/shistory/src/nsSHEntry.cpp

@@ -258,20 +258,34 @@ NS_IMETHODIMP nsSHEntry::SetExpirationStatus(PRBool  aFlag)
    return NS_OK;
 }
 
+NS_IMETHODIMP nsSHEntry::GetContentType(nsACString& aContentType)
+{
+  aContentType = mContentType;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsSHEntry::SetContentType(const nsACString& aContentType)
+{
+  mContentType = aContentType;
+  return NS_OK;
+}
+
 NS_IMETHODIMP
-nsSHEntry::Create(nsIURI * aURI, const PRUnichar * aTitle, nsIDOMDocument * aDOMDocument,
-			         nsIInputStream * aInputStream, nsILayoutHistoryState * aHistoryLayoutState,
-               nsISupports * aCacheKey)
+nsSHEntry::Create(nsIURI * aURI, const PRUnichar * aTitle,
+                  nsIDOMDocument * aDOMDocument, nsIInputStream * aInputStream,
+                  nsILayoutHistoryState * aHistoryLayoutState,
+                  nsISupports * aCacheKey, const nsACString& aContentType)
 {
   SetURI(aURI);
-	SetTitle(aTitle);
-	SetDocument(aDOMDocument);
-	SetPostData(aInputStream);
-	SetLayoutHistoryState(aHistoryLayoutState);
-	SetCacheKey(aCacheKey);
-
+  SetTitle(aTitle);
+  SetDocument(aDOMDocument);
+  SetPostData(aInputStream);
+  SetLayoutHistoryState(aHistoryLayoutState);
+  SetCacheKey(aCacheKey);
+  SetContentType(aContentType);
+    
   // Set the LoadType by default to loadHistory during creation
-	SetLoadType((PRInt32)nsIDocShellLoadInfo::loadHistory);
+  SetLoadType((PRInt32)nsIDocShellLoadInfo::loadHistory);
 
   // By default all entries are set false for subframe flag. 
   // nsDocShell::CloneAndReplace() which creates entries for

docshell/shistory/src/nsSHEntry.h

@@ -69,6 +69,7 @@ private:
   PRPackedBool                    mIsFrameNavigation;
   PRPackedBool                    mSaveLayoutState;
   PRPackedBool                    mExpired;
+  nsCString                       mContentType;
   nsCOMPtr<nsISupports>           mCacheKey;
   nsISHEntry *                    mParent;  // weak reference
 };