25779: Add/improve alternate windows cut/copy/paste key bindings: r=brade sr=sfraser.

68747: Remove redundant code in nsHTMLEditor. sr=sfraser.

editor/base/PlaceholderTxn.cpp

@@ -176,7 +176,7 @@ NS_IMETHODIMP PlaceholderTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransact
 //  efficiency hack: no need to remember selection here, as we haven't yet 
 //  finished the inital batch and we know we will be told when the batch ends.
 //  we can remeber the selection then.
-    if (gNoisy) { printf("Placeholder txn assimilated %p\n", aTransaction); }
+    if (gNoisy) { printf("Placeholder txn assimilated %p\n", (void*)aTransaction); }
   }
   else
   { // merge typing or IME or deletion transactions if the selection matches

editor/base/nsEditorCommands.cpp

@@ -118,6 +118,37 @@ nsCutCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
 }
 
 
+NS_IMETHODIMP
+nsCutOrDeleteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  *outCmdEnabled = (editor != nsnull);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsCutOrDeleteCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  if (editor)
+  {
+    nsCOMPtr<nsISelection> selection;
+    nsresult rv = editor->GetSelection(getter_AddRefs(selection));
+    if (NS_SUCCEEDED(rv) && selection)
+    {
+      PRBool isCollapsed;
+      rv = selection->GetIsCollapsed(&isCollapsed);
+      if (NS_SUCCEEDED(rv) && isCollapsed)
+        return editor->DeleteSelection(nsIEditor::eNext);
+    }
+    return editor->Cut();
+  }
+    
+  return NS_ERROR_FAILURE;
+}
+
+
 NS_IMETHODIMP
 nsCopyCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
 {
@@ -141,6 +172,37 @@ nsCopyCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
 }
 
 
+NS_IMETHODIMP
+nsCopyOrDeleteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  *outCmdEnabled = (editor != nsnull);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsCopyOrDeleteCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  if (editor)
+  {
+    nsCOMPtr<nsISelection> selection;
+    nsresult rv = editor->GetSelection(getter_AddRefs(selection));
+    if (NS_SUCCEEDED(rv) && selection)
+    {
+      PRBool isCollapsed;
+      rv = selection->GetIsCollapsed(&isCollapsed);
+      if (NS_SUCCEEDED(rv) && isCollapsed)
+        return editor->DeleteSelection(nsIEditor::eNext);
+    }
+    return editor->Copy();
+  }
+    
+  return NS_ERROR_FAILURE;
+}
+
+
 NS_IMETHODIMP
 nsPasteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
 {

editor/base/nsEditorCommands.h

@@ -60,7 +60,9 @@ NS_DECL_EDITOR_COMMAND(nsUndoCommand)
 NS_DECL_EDITOR_COMMAND(nsRedoCommand)
 
 NS_DECL_EDITOR_COMMAND(nsCutCommand)
+NS_DECL_EDITOR_COMMAND(nsCutOrDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsCopyCommand)
+NS_DECL_EDITOR_COMMAND(nsCopyOrDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsPasteCommand)
 NS_DECL_EDITOR_COMMAND(nsDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsSelectAllCommand)

editor/base/nsEditorController.cpp

@@ -132,7 +132,9 @@ nsresult nsEditorController::RegisterEditorCommands(nsIControllerCommandManager
   NS_REGISTER_ONE_COMMAND(nsRedoCommand, "cmd_redo");
 
   NS_REGISTER_ONE_COMMAND(nsCutCommand, "cmd_cut");
+  NS_REGISTER_ONE_COMMAND(nsCutOrDeleteCommand, "cmd_cutOrDelete");
   NS_REGISTER_ONE_COMMAND(nsCopyCommand, "cmd_copy");
+  NS_REGISTER_ONE_COMMAND(nsCopyOrDeleteCommand, "cmd_copyOrDelete");
   NS_REGISTER_ONE_COMMAND(nsSelectAllCommand, "cmd_selectAll");
   
   NS_REGISTER_ONE_COMMAND(nsPasteCommand, "cmd_paste");

editor/base/nsHTMLDataTransfer.cpp

@@ -620,7 +620,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertFromTransferable(nsITransferable *transferable
     nsAutoTxnsConserveSelection dontSpazMySelection(this);
     nsAutoString flavor, stuffToPaste;
     flavor.AssignWithConversion( bestFlavor );   // just so we can use flavor.Equals()
-#ifdef DEBUG_akkana
+#ifdef DEBUG_clipboard
     printf("Got flavor [%s]\n", bestFlavor);
 #endif
     if (flavor.EqualsWithConversion(kHTMLMime))
@@ -1289,7 +1289,7 @@ NS_IMETHODIMP nsHTMLEditor::PasteAsPlaintextQuotation(PRInt32 aSelectionType)
 #endif
       return rv;
     }
-#ifdef DEBUG_akkana
+#ifdef DEBUG_clipboard
     printf("Got flavor [%s]\n", flav);
 #endif
     nsAutoString flavor; flavor.AssignWithConversion(flav);

editor/base/nsHTMLEditor.cpp

@@ -2602,110 +2602,7 @@ nsHTMLEditor::GetEmbeddedObjects(nsISupportsArray** aNodeList)
 #pragma mark -
 #endif
 
-
+// Undo, Redo, Cut, CanCut, Copy, CanCopy, all inherited from nsPlaintextEditor
-NS_IMETHODIMP 
-nsHTMLEditor::Undo(PRUint32 aCount)
-{
-  ForceCompositionEnd();
-  nsresult result = NS_OK;
-
-  nsAutoRules beginRulesSniffing(this, kOpUndo, nsIEditor::eNone);
-
-  nsTextRulesInfo ruleInfo(nsTextEditRules::kUndo);
-  nsCOMPtr<nsISelection> selection;
-  GetSelection(getter_AddRefs(selection));
-  PRBool cancel, handled;
-  result = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
-  
-  if (!cancel && NS_SUCCEEDED(result))
-  {
-    result = nsEditor::Undo(aCount);
-    result = mRules->DidDoAction(selection, &ruleInfo, result);
-  } 
-   
-  return result;
-}
-
-
-NS_IMETHODIMP 
-nsHTMLEditor::Redo(PRUint32 aCount)
-{
-  nsresult result = NS_OK;
-
-  nsAutoRules beginRulesSniffing(this, kOpRedo, nsIEditor::eNone);
-
-  nsTextRulesInfo ruleInfo(nsTextEditRules::kRedo);
-  nsCOMPtr<nsISelection> selection;
-  GetSelection(getter_AddRefs(selection));
-  PRBool cancel, handled;
-  result = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
-  
-  if (!cancel && NS_SUCCEEDED(result))
-  {
-    result = nsEditor::Redo(aCount);
-    result = mRules->DidDoAction(selection, &ruleInfo, result);
-  } 
-   
-  return result;
-}
-
-NS_IMETHODIMP nsHTMLEditor::Cut()
-{
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (!NS_SUCCEEDED(res))
-    return res;
-
-  PRBool isCollapsed;
-  if (NS_SUCCEEDED(selection->GetIsCollapsed(&isCollapsed)) && isCollapsed)
-    return NS_ERROR_NOT_AVAILABLE;
-
-  res = Copy();
-  if (NS_SUCCEEDED(res))
-    res = DeleteSelection(eNone);
-  return res;
-}
-
-NS_IMETHODIMP nsHTMLEditor::CanCut(PRBool &aCanCut)
-{
-  aCanCut = PR_FALSE;
-  
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (NS_FAILED(res)) return res;
-    
-  PRBool isCollapsed;
-  res = selection->GetIsCollapsed(&isCollapsed);
-  if (NS_FAILED(res)) return res;
-
-  aCanCut = !isCollapsed && IsModifiable();
-  return NS_OK;
-}
-
-NS_IMETHODIMP nsHTMLEditor::Copy()
-{
-  if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
-  nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
-  if (!ps) return NS_ERROR_NOT_INITIALIZED;
-  return ps->DoCopy();
-}
-
-NS_IMETHODIMP nsHTMLEditor::CanCopy(PRBool &aCanCopy)
-{
-  aCanCopy = PR_FALSE;
-  
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (NS_FAILED(res)) return res;
-    
-  PRBool isCollapsed;
-  res = selection->GetIsCollapsed(&isCollapsed);
-  if (NS_FAILED(res)) return res;
-
-  aCanCopy = !isCollapsed;
-  return NS_OK;
-}
-
 
 static nsresult SetSelectionAroundHeadChildren(nsCOMPtr<nsISelection> aSelection, nsWeakPtr aDocWeak)
 {

editor/base/nsHTMLEditor.h

@@ -249,13 +249,6 @@ public:
   NS_IMETHOD GetFlags(PRUint32 *aFlags);
   NS_IMETHOD SetFlags(PRUint32 aFlags);
 
-  NS_IMETHOD Undo(PRUint32 aCount);
-  NS_IMETHOD Redo(PRUint32 aCount);
-
-  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);
 

editor/libeditor/base/PlaceholderTxn.cpp

@@ -176,7 +176,7 @@ NS_IMETHODIMP PlaceholderTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransact
 //  efficiency hack: no need to remember selection here, as we haven't yet 
 //  finished the inital batch and we know we will be told when the batch ends.
 //  we can remeber the selection then.
-    if (gNoisy) { printf("Placeholder txn assimilated %p\n", aTransaction); }
+    if (gNoisy) { printf("Placeholder txn assimilated %p\n", (void*)aTransaction); }
   }
   else
   { // merge typing or IME or deletion transactions if the selection matches

editor/libeditor/base/nsEditorCommands.cpp

@@ -118,6 +118,37 @@ nsCutCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
 }
 
 
+NS_IMETHODIMP
+nsCutOrDeleteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  *outCmdEnabled = (editor != nsnull);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsCutOrDeleteCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  if (editor)
+  {
+    nsCOMPtr<nsISelection> selection;
+    nsresult rv = editor->GetSelection(getter_AddRefs(selection));
+    if (NS_SUCCEEDED(rv) && selection)
+    {
+      PRBool isCollapsed;
+      rv = selection->GetIsCollapsed(&isCollapsed);
+      if (NS_SUCCEEDED(rv) && isCollapsed)
+        return editor->DeleteSelection(nsIEditor::eNext);
+    }
+    return editor->Cut();
+  }
+    
+  return NS_ERROR_FAILURE;
+}
+
+
 NS_IMETHODIMP
 nsCopyCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
 {
@@ -141,6 +172,37 @@ nsCopyCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
 }
 
 
+NS_IMETHODIMP
+nsCopyOrDeleteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  *outCmdEnabled = (editor != nsnull);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsCopyOrDeleteCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
+{
+  nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
+  if (editor)
+  {
+    nsCOMPtr<nsISelection> selection;
+    nsresult rv = editor->GetSelection(getter_AddRefs(selection));
+    if (NS_SUCCEEDED(rv) && selection)
+    {
+      PRBool isCollapsed;
+      rv = selection->GetIsCollapsed(&isCollapsed);
+      if (NS_SUCCEEDED(rv) && isCollapsed)
+        return editor->DeleteSelection(nsIEditor::eNext);
+    }
+    return editor->Copy();
+  }
+    
+  return NS_ERROR_FAILURE;
+}
+
+
 NS_IMETHODIMP
 nsPasteCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
 {

editor/libeditor/base/nsEditorCommands.h

@@ -60,7 +60,9 @@ NS_DECL_EDITOR_COMMAND(nsUndoCommand)
 NS_DECL_EDITOR_COMMAND(nsRedoCommand)
 
 NS_DECL_EDITOR_COMMAND(nsCutCommand)
+NS_DECL_EDITOR_COMMAND(nsCutOrDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsCopyCommand)
+NS_DECL_EDITOR_COMMAND(nsCopyOrDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsPasteCommand)
 NS_DECL_EDITOR_COMMAND(nsDeleteCommand)
 NS_DECL_EDITOR_COMMAND(nsSelectAllCommand)

editor/libeditor/base/nsEditorController.cpp

@@ -132,7 +132,9 @@ nsresult nsEditorController::RegisterEditorCommands(nsIControllerCommandManager
   NS_REGISTER_ONE_COMMAND(nsRedoCommand, "cmd_redo");
 
   NS_REGISTER_ONE_COMMAND(nsCutCommand, "cmd_cut");
+  NS_REGISTER_ONE_COMMAND(nsCutOrDeleteCommand, "cmd_cutOrDelete");
   NS_REGISTER_ONE_COMMAND(nsCopyCommand, "cmd_copy");
+  NS_REGISTER_ONE_COMMAND(nsCopyOrDeleteCommand, "cmd_copyOrDelete");
   NS_REGISTER_ONE_COMMAND(nsSelectAllCommand, "cmd_selectAll");
   
   NS_REGISTER_ONE_COMMAND(nsPasteCommand, "cmd_paste");

editor/libeditor/html/nsHTMLDataTransfer.cpp

@@ -620,7 +620,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertFromTransferable(nsITransferable *transferable
     nsAutoTxnsConserveSelection dontSpazMySelection(this);
     nsAutoString flavor, stuffToPaste;
     flavor.AssignWithConversion( bestFlavor );   // just so we can use flavor.Equals()
-#ifdef DEBUG_akkana
+#ifdef DEBUG_clipboard
     printf("Got flavor [%s]\n", bestFlavor);
 #endif
     if (flavor.EqualsWithConversion(kHTMLMime))
@@ -1289,7 +1289,7 @@ NS_IMETHODIMP nsHTMLEditor::PasteAsPlaintextQuotation(PRInt32 aSelectionType)
 #endif
       return rv;
     }
-#ifdef DEBUG_akkana
+#ifdef DEBUG_clipboard
     printf("Got flavor [%s]\n", flav);
 #endif
     nsAutoString flavor; flavor.AssignWithConversion(flav);

editor/libeditor/html/nsHTMLEditor.cpp

@@ -2602,110 +2602,7 @@ nsHTMLEditor::GetEmbeddedObjects(nsISupportsArray** aNodeList)
 #pragma mark -
 #endif
 
-
+// Undo, Redo, Cut, CanCut, Copy, CanCopy, all inherited from nsPlaintextEditor
-NS_IMETHODIMP 
-nsHTMLEditor::Undo(PRUint32 aCount)
-{
-  ForceCompositionEnd();
-  nsresult result = NS_OK;
-
-  nsAutoRules beginRulesSniffing(this, kOpUndo, nsIEditor::eNone);
-
-  nsTextRulesInfo ruleInfo(nsTextEditRules::kUndo);
-  nsCOMPtr<nsISelection> selection;
-  GetSelection(getter_AddRefs(selection));
-  PRBool cancel, handled;
-  result = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
-  
-  if (!cancel && NS_SUCCEEDED(result))
-  {
-    result = nsEditor::Undo(aCount);
-    result = mRules->DidDoAction(selection, &ruleInfo, result);
-  } 
-   
-  return result;
-}
-
-
-NS_IMETHODIMP 
-nsHTMLEditor::Redo(PRUint32 aCount)
-{
-  nsresult result = NS_OK;
-
-  nsAutoRules beginRulesSniffing(this, kOpRedo, nsIEditor::eNone);
-
-  nsTextRulesInfo ruleInfo(nsTextEditRules::kRedo);
-  nsCOMPtr<nsISelection> selection;
-  GetSelection(getter_AddRefs(selection));
-  PRBool cancel, handled;
-  result = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
-  
-  if (!cancel && NS_SUCCEEDED(result))
-  {
-    result = nsEditor::Redo(aCount);
-    result = mRules->DidDoAction(selection, &ruleInfo, result);
-  } 
-   
-  return result;
-}
-
-NS_IMETHODIMP nsHTMLEditor::Cut()
-{
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (!NS_SUCCEEDED(res))
-    return res;
-
-  PRBool isCollapsed;
-  if (NS_SUCCEEDED(selection->GetIsCollapsed(&isCollapsed)) && isCollapsed)
-    return NS_ERROR_NOT_AVAILABLE;
-
-  res = Copy();
-  if (NS_SUCCEEDED(res))
-    res = DeleteSelection(eNone);
-  return res;
-}
-
-NS_IMETHODIMP nsHTMLEditor::CanCut(PRBool &aCanCut)
-{
-  aCanCut = PR_FALSE;
-  
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (NS_FAILED(res)) return res;
-    
-  PRBool isCollapsed;
-  res = selection->GetIsCollapsed(&isCollapsed);
-  if (NS_FAILED(res)) return res;
-
-  aCanCut = !isCollapsed && IsModifiable();
-  return NS_OK;
-}
-
-NS_IMETHODIMP nsHTMLEditor::Copy()
-{
-  if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
-  nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
-  if (!ps) return NS_ERROR_NOT_INITIALIZED;
-  return ps->DoCopy();
-}
-
-NS_IMETHODIMP nsHTMLEditor::CanCopy(PRBool &aCanCopy)
-{
-  aCanCopy = PR_FALSE;
-  
-  nsCOMPtr<nsISelection> selection;
-  nsresult res = GetSelection(getter_AddRefs(selection));
-  if (NS_FAILED(res)) return res;
-    
-  PRBool isCollapsed;
-  res = selection->GetIsCollapsed(&isCollapsed);
-  if (NS_FAILED(res)) return res;
-
-  aCanCopy = !isCollapsed;
-  return NS_OK;
-}
-
 
 static nsresult SetSelectionAroundHeadChildren(nsCOMPtr<nsISelection> aSelection, nsWeakPtr aDocWeak)
 {

editor/libeditor/html/nsHTMLEditor.h

@@ -249,13 +249,6 @@ public:
   NS_IMETHOD GetFlags(PRUint32 *aFlags);
   NS_IMETHOD SetFlags(PRUint32 aFlags);
 
-  NS_IMETHOD Undo(PRUint32 aCount);
-  NS_IMETHOD Redo(PRUint32 aCount);
-
-  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);