bug fix for 67985 - needed methods for nsEditor impl

r=jfrancis
sr=sfraser

editor/base/nsEditor.cpp

@@ -315,6 +315,20 @@ nsEditor::PreDestroy()
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsEditor::GetFlags(PRUint32 *aFlags)
+{
+  *aFlags = mFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsEditor::SetFlags(PRUint32 aFlags)
+{
+  mFlags = aFlags;
+  return NS_OK;
+}
+
 NS_IMETHODIMP 
 nsEditor::GetDocument(nsIDOMDocument **aDoc)
 {
@@ -360,6 +374,13 @@ nsEditor::GetSelectionController(nsISelectionController **aSel)
 }
 
 
+NS_IMETHODIMP
+nsEditor::DeleteSelection(EDirection aAction)
+{
+  return DeleteSelectionImpl(aAction);
+}
+
+
 
 NS_IMETHODIMP
 nsEditor::GetSelection(nsISelection **aSelection)
@@ -680,6 +701,26 @@ NS_IMETHODIMP nsEditor::ShouldTxnSetSelection(PRBool *aResult)
 }
 
 
+NS_IMETHODIMP
+nsEditor::GetDocumentIsEmpty(PRBool *aDocumentIsEmpty)
+{
+  nsCOMPtr<nsIDOMElement> rootElement; 
+  nsresult res = GetRootElement(getter_AddRefs(rootElement)); 
+  if (NS_FAILED(res)) return res; 
+  if (!rootElement)   return NS_ERROR_NULL_POINTER; 
+  nsCOMPtr<nsIDOMNode> rootNode = do_QueryInterface(rootElement);
+  nsCOMPtr<nsIDOMNode> firstChild;
+  res = rootNode->GetFirstChild(getter_AddRefs(firstChild));
+
+  if(NS_SUCCEEDED(res))
+      *aDocumentIsEmpty = PR_TRUE;
+  else
+      *aDocumentIsEmpty = PR_FALSE;
+
+  return res;
+}
+
+
 // XXX: the rule system should tell us which node to select all on (ie, the root, or the body)
 NS_IMETHODIMP nsEditor::SelectAll()
 {
@@ -921,6 +962,63 @@ nsEditor::SaveFile(nsIFile *aFileSpec, PRBool aReplaceExisting,
   return rv;
 }
 
+
+
+NS_IMETHODIMP
+nsEditor::Cut()
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanCut(PRBool &aCanCut)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::Copy()
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanCopy(PRBool &aCanCopy)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::Paste(PRInt32 aSelectionType)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanDrag(nsIDOMEvent *aEvent, PRBool &aCanDrag)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::DoDrag(nsIDOMEvent *aEvent)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::InsertFromDrop(nsIDOMEvent *aEvent)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+
 NS_IMETHODIMP 
 nsEditor::SetAttribute(nsIDOMElement *aElement, const nsString& aAttribute, const nsString& aValue)
 {

editor/base/nsEditor.h

@@ -129,13 +129,14 @@ public:
   NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell, nsIContent *aRoot, nsISelectionController *aSelCon, PRUint32 aFlags);
   NS_IMETHOD PostCreate();
   NS_IMETHOD PreDestroy();
-  NS_IMETHOD GetFlags(PRUint32 *aFlags) = 0;
-  NS_IMETHOD SetFlags(PRUint32 aFlags) = 0;
+  NS_IMETHOD GetFlags(PRUint32 *aFlags);
+  NS_IMETHOD SetFlags(PRUint32 aFlags);
   NS_IMETHOD GetDocument(nsIDOMDocument **aDoc);
   NS_IMETHOD GetRootElement(nsIDOMElement **aElement);
   NS_IMETHOD GetPresShell(nsIPresShell **aPS);
   NS_IMETHOD GetSelectionController(nsISelectionController **aSel);
   NS_IMETHOD GetSelection(nsISelection **aSelection);
+  NS_IMETHOD DeleteSelection(EDirection aAction);
   
   NS_IMETHOD EnableUndo(PRBool aEnable);
   NS_IMETHOD GetTransactionManager(nsITransactionManager* *aTxnManager);
@@ -152,8 +153,7 @@ public:
   NS_IMETHOD EndPlaceHolderTransaction();
   NS_IMETHOD ShouldTxnSetSelection(PRBool *aResult);
 
-  // pure virtual, because the definition of 'empty' depends on the doc type
-  NS_IMETHOD GetDocumentIsEmpty(PRBool *aDocumentIsEmpty)=0;
+  NS_IMETHOD GetDocumentIsEmpty(PRBool *aDocumentIsEmpty);
 
   // file handling
   NS_IMETHOD GetDocumentModified(PRBool *outDocModified);
@@ -161,13 +161,15 @@ public:
   NS_IMETHOD SetDocumentCharacterSet(const PRUnichar* characterSet);
   NS_IMETHOD SaveFile(nsIFile *aFileSpec, PRBool aReplaceExisting, PRBool aSaveCopy, const nsString& aFormat);
 
-  // these are pure virtual in this base class
-  NS_IMETHOD Cut() = 0;
-  NS_IMETHOD CanCut(PRBool &aCanCut)=0;
-  NS_IMETHOD Copy() = 0;
-  NS_IMETHOD CanCopy(PRBool &aCanCopy)=0;
-  NS_IMETHOD Paste(PRInt32 aSelectionType) = 0;
-  NS_IMETHOD CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste)=0;
+  NS_IMETHOD Cut();
+  NS_IMETHOD CanCut(PRBool &aCanCut);
+  NS_IMETHOD Copy();
+  NS_IMETHOD CanCopy(PRBool &aCanCopy);
+  NS_IMETHOD Paste(PRInt32 aSelectionType);
+  NS_IMETHOD CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste);
+  NS_IMETHOD CanDrag(nsIDOMEvent *aEvent, PRBool &aCanDrag);
+  NS_IMETHOD DoDrag(nsIDOMEvent *aEvent);
+  NS_IMETHOD InsertFromDrop(nsIDOMEvent *aEvent);
 
   NS_IMETHOD SelectAll();
 

editor/libeditor/base/nsEditor.cpp

@@ -315,6 +315,20 @@ nsEditor::PreDestroy()
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsEditor::GetFlags(PRUint32 *aFlags)
+{
+  *aFlags = mFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsEditor::SetFlags(PRUint32 aFlags)
+{
+  mFlags = aFlags;
+  return NS_OK;
+}
+
 NS_IMETHODIMP 
 nsEditor::GetDocument(nsIDOMDocument **aDoc)
 {
@@ -360,6 +374,13 @@ nsEditor::GetSelectionController(nsISelectionController **aSel)
 }
 
 
+NS_IMETHODIMP
+nsEditor::DeleteSelection(EDirection aAction)
+{
+  return DeleteSelectionImpl(aAction);
+}
+
+
 
 NS_IMETHODIMP
 nsEditor::GetSelection(nsISelection **aSelection)
@@ -680,6 +701,26 @@ NS_IMETHODIMP nsEditor::ShouldTxnSetSelection(PRBool *aResult)
 }
 
 
+NS_IMETHODIMP
+nsEditor::GetDocumentIsEmpty(PRBool *aDocumentIsEmpty)
+{
+  nsCOMPtr<nsIDOMElement> rootElement; 
+  nsresult res = GetRootElement(getter_AddRefs(rootElement)); 
+  if (NS_FAILED(res)) return res; 
+  if (!rootElement)   return NS_ERROR_NULL_POINTER; 
+  nsCOMPtr<nsIDOMNode> rootNode = do_QueryInterface(rootElement);
+  nsCOMPtr<nsIDOMNode> firstChild;
+  res = rootNode->GetFirstChild(getter_AddRefs(firstChild));
+
+  if(NS_SUCCEEDED(res))
+      *aDocumentIsEmpty = PR_TRUE;
+  else
+      *aDocumentIsEmpty = PR_FALSE;
+
+  return res;
+}
+
+
 // XXX: the rule system should tell us which node to select all on (ie, the root, or the body)
 NS_IMETHODIMP nsEditor::SelectAll()
 {
@@ -921,6 +962,63 @@ nsEditor::SaveFile(nsIFile *aFileSpec, PRBool aReplaceExisting,
   return rv;
 }
 
+
+
+NS_IMETHODIMP
+nsEditor::Cut()
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanCut(PRBool &aCanCut)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::Copy()
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanCopy(PRBool &aCanCopy)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::Paste(PRInt32 aSelectionType)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::CanDrag(nsIDOMEvent *aEvent, PRBool &aCanDrag)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::DoDrag(nsIDOMEvent *aEvent)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+NS_IMETHODIMP
+nsEditor::InsertFromDrop(nsIDOMEvent *aEvent)
+{
+  return NS_ERROR_NOT_IMPLEMENTED; 
+}
+
+
 NS_IMETHODIMP 
 nsEditor::SetAttribute(nsIDOMElement *aElement, const nsString& aAttribute, const nsString& aValue)
 {

editor/libeditor/base/nsEditor.h

@@ -129,13 +129,14 @@ public:
   NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell, nsIContent *aRoot, nsISelectionController *aSelCon, PRUint32 aFlags);
   NS_IMETHOD PostCreate();
   NS_IMETHOD PreDestroy();
-  NS_IMETHOD GetFlags(PRUint32 *aFlags) = 0;
-  NS_IMETHOD SetFlags(PRUint32 aFlags) = 0;
+  NS_IMETHOD GetFlags(PRUint32 *aFlags);
+  NS_IMETHOD SetFlags(PRUint32 aFlags);
   NS_IMETHOD GetDocument(nsIDOMDocument **aDoc);
   NS_IMETHOD GetRootElement(nsIDOMElement **aElement);
   NS_IMETHOD GetPresShell(nsIPresShell **aPS);
   NS_IMETHOD GetSelectionController(nsISelectionController **aSel);
   NS_IMETHOD GetSelection(nsISelection **aSelection);
+  NS_IMETHOD DeleteSelection(EDirection aAction);
   
   NS_IMETHOD EnableUndo(PRBool aEnable);
   NS_IMETHOD GetTransactionManager(nsITransactionManager* *aTxnManager);
@@ -152,8 +153,7 @@ public:
   NS_IMETHOD EndPlaceHolderTransaction();
   NS_IMETHOD ShouldTxnSetSelection(PRBool *aResult);
 
-  // pure virtual, because the definition of 'empty' depends on the doc type
-  NS_IMETHOD GetDocumentIsEmpty(PRBool *aDocumentIsEmpty)=0;
+  NS_IMETHOD GetDocumentIsEmpty(PRBool *aDocumentIsEmpty);
 
   // file handling
   NS_IMETHOD GetDocumentModified(PRBool *outDocModified);
@@ -161,13 +161,15 @@ public:
   NS_IMETHOD SetDocumentCharacterSet(const PRUnichar* characterSet);
   NS_IMETHOD SaveFile(nsIFile *aFileSpec, PRBool aReplaceExisting, PRBool aSaveCopy, const nsString& aFormat);
 
-  // these are pure virtual in this base class
-  NS_IMETHOD Cut() = 0;
-  NS_IMETHOD CanCut(PRBool &aCanCut)=0;
-  NS_IMETHOD Copy() = 0;
-  NS_IMETHOD CanCopy(PRBool &aCanCopy)=0;
-  NS_IMETHOD Paste(PRInt32 aSelectionType) = 0;
-  NS_IMETHOD CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste)=0;
+  NS_IMETHOD Cut();
+  NS_IMETHOD CanCut(PRBool &aCanCut);
+  NS_IMETHOD Copy();
+  NS_IMETHOD CanCopy(PRBool &aCanCopy);
+  NS_IMETHOD Paste(PRInt32 aSelectionType);
+  NS_IMETHOD CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste);
+  NS_IMETHOD CanDrag(nsIDOMEvent *aEvent, PRBool &aCanDrag);
+  NS_IMETHOD DoDrag(nsIDOMEvent *aEvent);
+  NS_IMETHOD InsertFromDrop(nsIDOMEvent *aEvent);
 
   NS_IMETHOD SelectAll();