Bug 1455674 part 5. Remove remaining IDL use of nsIDOMElement in editor. r=masayuki

editor/libeditor/HTMLAbsPositionEditor.cpp

@@ -574,16 +574,6 @@ HTMLEditor::SetTopAndLeft(Element& aElement,
   mCSSEditUtils->SetCSSPropertyPixels(aElement, *nsGkAtoms::top, aY);
 }
 
-// self-explanatory
-NS_IMETHODIMP
-HTMLEditor::GetPositionedElement(nsIDOMElement** aReturn)
-{
-  nsCOMPtr<nsIDOMElement> ret =
-    static_cast<nsIDOMElement*>(GetAsDOMNode(GetPositionedElement()));
-  ret.forget(aReturn);
-  return NS_OK;
-}
-
 nsresult
 HTMLEditor::GetTemporaryStyleForFocusedPositionedElement(Element& aElement,
                                                          nsAString& aReturn)

editor/libeditor/HTMLEditor.h

@@ -1318,7 +1318,7 @@ protected:
   ManualNACPtr mResizingShadow;
   ManualNACPtr mResizingInfo;
 
-  nsCOMPtr<Element> mResizedObject;
+  RefPtr<Element> mResizedObject;
 
   nsCOMPtr<nsIDOMEventListener>  mMouseMotionListenerP;
   nsCOMPtr<nsIDOMEventListener>  mResizeEventListenerP;

editor/libeditor/HTMLEditorObjectResizer.cpp

@@ -241,16 +241,12 @@ HTMLEditor::RefreshResizers()
 }
 
 NS_IMETHODIMP
-HTMLEditor::ShowResizers(nsIDOMElement* aResizedElement)
+HTMLEditor::ShowResizers(Element* aResizedElement)
 {
   if (NS_WARN_IF(!aResizedElement)) {
    return NS_ERROR_NULL_POINTER;
   }
-  nsCOMPtr<Element> element = do_QueryInterface(aResizedElement);
-  if (NS_WARN_IF(!element)) {
-    return NS_ERROR_FAILURE;
-  }
-  return ShowResizers(*element);
+  return ShowResizers(*aResizedElement);
 }
 
 nsresult
@@ -934,9 +930,9 @@ HTMLEditor::SetFinalSize(int32_t aX,
 }
 
 NS_IMETHODIMP
-HTMLEditor::GetResizedObject(nsIDOMElement** aResizedObject)
+HTMLEditor::GetResizedObject(Element** aResizedObject)
 {
-  nsCOMPtr<nsIDOMElement> ret = static_cast<nsIDOMElement*>(GetAsDOMNode(mResizedObject));
+  RefPtr<Element> ret = mResizedObject;
   ret.forget(aResizedObject);
   return NS_OK;
 }

editor/nsIHTMLAbsPosEditor.idl

@@ -7,15 +7,8 @@
 #include "domstubs.idl"
 
 [scriptable, builtinclass, uuid(91375f52-20e6-4757-9835-eb04fabe5498)]
-
 interface nsIHTMLAbsPosEditor : nsISupports
 {
-  /**
-   * this contains the absolutely positioned element currently edited
-   * or null
-   */
-  readonly attribute nsIDOMElement positionedElement;
-
   /**
    * true if Absolute Positioning handling is enabled in the editor
    */

editor/nsIHTMLObjectResizer.idl

@@ -6,8 +6,9 @@
 #include "nsISupports.idl"
 #include "domstubs.idl"
 
-[scriptable, builtinclass, uuid(8b396020-69d3-451f-80c1-1a96a7da25a9)]
+webidl Element;
 
+[scriptable, builtinclass, uuid(8b396020-69d3-451f-80c1-1a96a7da25a9)]
 interface nsIHTMLObjectResizer : nsISupports
 {
 %{C++
@@ -25,7 +26,7 @@ interface nsIHTMLObjectResizer : nsISupports
   /**
    * the element currently displaying resizers
    */
-  readonly attribute nsIDOMElement resizedObject;
+  readonly attribute Element resizedObject;
 
   /**
    * a boolean indicating if object resizing is enabled in the editor
@@ -36,7 +37,7 @@ interface nsIHTMLObjectResizer : nsISupports
    * Shows active resizers around an element's frame
    * @param aResizedElement [IN] a DOM Element
    */
-  void showResizers(in nsIDOMElement aResizedElement);
+  void showResizers(in Element aResizedElement);
 
   /**
    * Hide resizers if they are visible