Changing return value for IsLargeDataSet() to PRBool.

widget/public/nsITransferable.h

@@ -101,11 +101,10 @@ class nsITransferable : public nsISupports {
     NS_IMETHOD AddDataFlavor(nsIDataFlavor * aDataFlavor) = 0;
 
   /**
-    * Returns whether the data is large
+    * Returns PR_TRUE if the data is large.
     *
-    * @return NS_OK is data set is larg, NS_ERROR_FAILURE if data set is small
     */
-    NS_IMETHOD IsLargeDataSet() = 0;
+    NS_IMETHOD_(PRBool) IsLargeDataSet() = 0;
 
   /**
     * Sets the converter for this transferable

widget/src/xpwidgets/nsTransferable.cpp

@@ -212,6 +212,7 @@ NS_IMETHODIMP nsTransferable::AddDataFlavor(nsIDataFlavor * aDataFlavor)
   nsAutoString  mimeInQuestion;
   aDataFlavor->GetMimeType(mimeInQuestion);
 
+  // Do we have the data flavor already?
   PRInt32 i;
   for (i=0;i<mDataArray->Count();i++) {
     DataStruct * data = (DataStruct *)mDataArray->ElementAt(i);
@@ -239,9 +240,9 @@ NS_IMETHODIMP nsTransferable::AddDataFlavor(nsIDataFlavor * aDataFlavor)
   * 
   *
   */
-NS_IMETHODIMP nsTransferable::IsLargeDataSet()
+NS_IMETHODIMP_(PRBool) nsTransferable::IsLargeDataSet()
 {
-  return NS_ERROR_FAILURE;
+  return PR_FALSE;
 }
 
 /**

widget/src/xpwidgets/nsTransferable.h

@@ -56,7 +56,7 @@ public:
   NS_IMETHOD SetTransferData(nsIDataFlavor * aFlavor, void * aData, PRUint32 aDataLen);
 
   NS_IMETHOD AddDataFlavor(nsIDataFlavor * aDataFlavor);
-  NS_IMETHOD IsLargeDataSet();
+  NS_IMETHOD_(PRBool) IsLargeDataSet();
 
   NS_IMETHOD SetConverter(nsIFormatConverter * aConverter);
   NS_IMETHOD GetConverter(nsIFormatConverter ** aConverter);

xpfe/AppCores/src/nsEditorAppCore.cpp

@@ -1325,7 +1325,7 @@ nsEditorAppCore::Exit()
     nsITransferable * trans = nsnull;			// XXX this needs fixin
     clipboard->GetData(trans);
     if (nsnull != trans) {
-      if (NS_OK == trans->IsLargeDataSet()) {
+      if (PR_TRUE == trans->IsLargeDataSet()) {
         // XXX A Dialog goes here to see if they want to "force" a copy 
         // of the data to the clipboard