Bug 1190172 part 2 - Clean up nsHTMLEditor::ClearStyle; r=ehsan

editor/libeditor/nsHTMLDataTransfer.cpp

@@ -344,8 +344,7 @@ nsHTMLEditor::DoInsertHTMLWithContext(const nsAString & aInputString,
 
     if (aClearStyle) {
       // pasting does not inherit local inline styles
-      nsCOMPtr<nsIDOMNode> tmpNode =
-        do_QueryInterface(selection->GetAnchorNode());
+      nsCOMPtr<nsINode> tmpNode = selection->GetAnchorNode();
       int32_t tmpOffset = static_cast<int32_t>(selection->AnchorOffset());
       rv = ClearStyle(address_of(tmpNode), &tmpOffset, nullptr, nullptr);
       NS_ENSURE_SUCCESS(rv, rv);

editor/libeditor/nsHTMLEditRules.cpp

@@ -4425,14 +4425,11 @@ nsHTMLEditRules::CreateStyleForInsertText(Selection* aSelection,
 {
   MOZ_ASSERT(aSelection && aDoc && mHTMLEditor->mTypeInState);
 
+  nsresult res;
   bool weDidSomething = false;
-  nsCOMPtr<nsIDOMNode> node, tmp;
-  int32_t offset;
-  NS_ENSURE_STATE(mHTMLEditor);
-  nsresult res = mHTMLEditor->GetStartNodeAndOffset(aSelection,
-                                                    getter_AddRefs(node),
-                                                    &offset);
-  NS_ENSURE_SUCCESS(res, res);
+  NS_ENSURE_STATE(aSelection->GetRangeAt(0));
+  nsCOMPtr<nsINode> node = aSelection->GetRangeAt(0)->GetStartParent();
+  int32_t offset = aSelection->GetRangeAt(0)->StartOffset();
 
   // next examine our present style and make sure default styles are either
   // present or explicitly overridden.  If neither, add the default style to
@@ -4471,7 +4468,7 @@ nsHTMLEditRules::CreateStyleForInsertText(Selection* aSelection,
 
   // process clearing any styles first
   nsAutoPtr<PropItem> item(mHTMLEditor->mTypeInState->TakeClearProperty());
-  while (item && node != rootElement) {
+  while (item && GetAsDOMNode(node) != rootElement) {
     NS_ENSURE_STATE(mHTMLEditor);
     res = mHTMLEditor->ClearStyle(address_of(node), &offset,
                                   item->tag, &item->attr);
@@ -4487,27 +4484,24 @@ nsHTMLEditRules::CreateStyleForInsertText(Selection* aSelection,
   if (item || relFontSize) {
     // we have at least one style to add; make a new text node to insert style
     // nodes above.
-    if (mHTMLEditor->IsTextNode(node)) {
+    if (RefPtr<Text> text = node->GetAsText()) {
       // if we are in a text node, split it
       NS_ENSURE_STATE(mHTMLEditor);
-      nsCOMPtr<nsIContent> content = do_QueryInterface(node);
-      NS_ENSURE_STATE(content || !node);
-      offset = mHTMLEditor->SplitNodeDeep(*content, *content, offset);
+      offset = mHTMLEditor->SplitNodeDeep(*text, *text, offset);
       NS_ENSURE_STATE(offset != -1);
-      node->GetParentNode(getter_AddRefs(tmp));
-      node = tmp;
+      node = node->GetParentNode();
     }
     if (!mHTMLEditor->IsContainer(node)) {
       return NS_OK;
     }
-    nsCOMPtr<nsIDOMNode> newNode;
+    nsCOMPtr<nsIContent> newNode;
     nsCOMPtr<nsIDOMText> nodeAsText;
     res = aDoc->CreateTextNode(EmptyString(), getter_AddRefs(nodeAsText));
     NS_ENSURE_SUCCESS(res, res);
     NS_ENSURE_TRUE(nodeAsText, NS_ERROR_NULL_POINTER);
     newNode = do_QueryInterface(nodeAsText);
     NS_ENSURE_STATE(mHTMLEditor);
-    res = mHTMLEditor->InsertNode(newNode, node, offset);
+    res = mHTMLEditor->InsertNode(*newNode, *node, offset);
     NS_ENSURE_SUCCESS(res, res);
     node = newNode;
     offset = 0;
@@ -4526,10 +4520,9 @@ nsHTMLEditRules::CreateStyleForInsertText(Selection* aSelection,
 
     while (item) {
       NS_ENSURE_STATE(mHTMLEditor);
-      nsCOMPtr<nsIContent> content = do_QueryInterface(node);
-      NS_ENSURE_STATE(content || !node);
-      res = mHTMLEditor->SetInlinePropertyOnNode(*content, *item->tag,
-                                                 &item->attr, item->value);
+      res = mHTMLEditor->SetInlinePropertyOnNode(*node->AsContent(),
+                                                 *item->tag, &item->attr,
+                                                 item->value);
       NS_ENSURE_SUCCESS(res, res);
       item = mHTMLEditor->mTypeInState->TakeSetProperty();
     }

editor/libeditor/nsHTMLEditor.h

@@ -755,7 +755,7 @@ protected:
                                    bool aTrustedInput,
                                    bool aClearStyle = true);
 
-  nsresult ClearStyle(nsCOMPtr<nsIDOMNode>* aNode, int32_t* aOffset,
+  nsresult ClearStyle(nsCOMPtr<nsINode>* aNode, int32_t* aOffset,
                       nsIAtom* aProperty, const nsAString* aAttribute);
 
   void SetElementPosition(mozilla::dom::Element& aElement,

editor/libeditor/nsHTMLEditorStyle.cpp

@@ -605,15 +605,13 @@ nsHTMLEditor::SplitStyleAbovePoint(nsCOMPtr<nsINode>* aNode,
 }
 
 nsresult
-nsHTMLEditor::ClearStyle(nsCOMPtr<nsIDOMNode>* aNode, int32_t* aOffset,
+nsHTMLEditor::ClearStyle(nsCOMPtr<nsINode>* aNode, int32_t* aOffset,
                          nsIAtom* aProperty, const nsAString* aAttribute)
 {
-  nsCOMPtr<nsINode> node = do_QueryInterface(*aNode);
   nsCOMPtr<nsIContent> leftNode, rightNode;
-  nsresult res = SplitStyleAbovePoint(address_of(node), aOffset, aProperty,
+  nsresult res = SplitStyleAbovePoint(aNode, aOffset, aProperty,
                                       aAttribute, getter_AddRefs(leftNode),
                                       getter_AddRefs(rightNode));
-  *aNode = GetAsDOMNode(node);
   NS_ENSURE_SUCCESS(res, res);
 
   if (leftNode) {
@@ -679,7 +677,7 @@ nsHTMLEditor::ClearStyle(nsCOMPtr<nsIDOMNode>* aNode, int32_t* aOffset,
       NS_ENSURE_SUCCESS(res, res);
     }
     // reset our node offset values to the resulting new sel point
-    *aNode = GetAsDOMNode(newSelParent);
+    *aNode = newSelParent;
     *aOffset = newSelOffset;
   }