Bug 148902 Implemetation of nsIAccessibleEditableText

r=aaronl, sr=jst

accessible/public/nsIAccessibleEditableText.idl

@@ -34,8 +34,8 @@ interface nsIAccessibleEditableText : nsISupports
       */
   void setAttributes (in long startPos, in long endPos,
                       in nsISupports attributes);
-  boolean setTextContents (in AString text);
-  void insertText (in AString text, in long length, inout long position);
+  void setTextContents (in AString text);
+  void insertText (in AString text, in long position);
   void copyText (in long startPos, in long endPos);
   void cutText (in long startPos, in long endPos);
   void deleteText (in long startPos, in long endPos);

accessible/src/html/Makefile.in

@@ -31,6 +31,7 @@ LIBRARY_NAME = accessibility_html_s
 REQUIRES	= content \
 		  docshell \
 		  dom \
+		  editor \
 		  gfx \
 		  gfx2 \
 		  htmlparser \

accessible/src/html/makefile.win

@@ -26,6 +26,7 @@ REQUIRES = \
   content \
   docshell \
   dom \
+  editor \
   gfx \
   gfx2 \
   htmlparser \

accessible/src/html/nsHTMLFormControlAccessible.cpp

@@ -42,6 +42,7 @@
 #include "nsFormControlAccessible.h"
 #include "nsHTMLAtoms.h"
 #include "nsHTMLFormControlAccessible.h"
+#include "nsIClipboard.h"
 #include "nsIDOMHTMLButtonElement.h"
 #include "nsIDOMHTMLFormElement.h"
 #include "nsIDOMHTMLInputElement.h"
@@ -52,8 +53,12 @@
 #include "nsIDOMXULButtonElement.h"
 #include "nsIDOMXULSelectCntrlItemEl.h"
 #include "nsIDOMXULSelectCntrlEl.h"
-#include "nsINameSpaceManager.h"
+#include "nsIEditor.h"
+#include "nsIEventStateManager.h"
 #include "nsIFrame.h"
+#include "nsIGfxTextControlFrame.h"
+#include "nsINameSpaceManager.h"
+#include "nsIPlaintextEditor.h"
 #include "nsISelectionController.h"
 #include "nsReadableUtils.h"
 #include "nsWeakReference.h"
@@ -310,6 +315,8 @@ nsFormControlAccessible(aNode, aShell)
 { 
 }
 
+NS_IMPL_ISUPPORTS_INHERITED1(nsHTMLTextFieldAccessible, nsFormControlAccessible, nsIAccessibleEditableText)
+
 NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccRole(PRUint32 *_retval)
 {
   *_retval = ROLE_TEXT;
@@ -400,6 +407,106 @@ NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccState(PRUint32 *_retval)
   return NS_OK;
 }
 
+NS_IMETHODIMP nsHTMLTextFieldAccessible::SetAttributes(PRInt32 aStartPos, PRInt32 aEndPos, nsISupports *aAttributes)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::SetTextContents(const nsAString &aText)
+{
+  nsCOMPtr<nsIDOMHTMLTextAreaElement> textArea(do_QueryInterface(mDOMNode));
+  if (textArea)
+    return textArea->SetValue(aText);
+  
+  nsCOMPtr<nsIDOMHTMLInputElement> inputElement(do_QueryInterface(mDOMNode));
+  if (inputElement)
+    return inputElement->SetValue(aText);
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::MakeSelection(PRInt32 aStartPos, PRInt32 aEndPos, nsIEditor **aEditor)
+{
+  nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
+  if (!shell)
+    return NS_ERROR_FAILURE;  
+
+  AccTakeFocus();
+
+  nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
+  nsIFrame *frame = nsnull;
+  shell->GetPrimaryFrameFor(content, &frame);
+  nsCOMPtr<nsIGfxTextControlFrame2> tframe(do_QueryInterface(frame));
+  if (!tframe)
+    return NS_ERROR_FAILURE;  
+
+  nsCOMPtr<nsIEditor> editor;
+  tframe->SetSelectionRange(aStartPos, aEndPos);
+  tframe->GetEditor(getter_AddRefs(editor));
+  if (!editor)
+    return NS_ERROR_FAILURE;  
+
+  *aEditor = editor;
+  NS_ADDREF(*aEditor);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::InsertText(const nsAString &aText, PRInt32 aPosition)
+{
+  nsCOMPtr<nsIEditor> editor;
+  if (NS_SUCCEEDED(MakeSelection(aPosition, aPosition, getter_AddRefs(editor)))) {
+    nsCOMPtr<nsIPlaintextEditor> peditor(do_QueryInterface(editor));
+    peditor->InsertText(aText);
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::CopyText(PRInt32 aStartPos, PRInt32 aEndPos)
+{
+  nsCOMPtr<nsIEditor> editor;
+  if (NS_SUCCEEDED(MakeSelection(aStartPos, aEndPos, getter_AddRefs(editor)))) {
+    editor->Copy();
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::CutText(PRInt32 aStartPos, PRInt32 aEndPos)
+{
+  nsCOMPtr<nsIEditor> editor;
+  if (NS_SUCCEEDED(MakeSelection(aStartPos, aEndPos, getter_AddRefs(editor)))) {
+    editor->Cut();
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::DeleteText(PRInt32 aStartPos, PRInt32 aEndPos)
+{
+  nsCOMPtr<nsIEditor> editor;
+  if (NS_SUCCEEDED(MakeSelection(aStartPos, aEndPos, getter_AddRefs(editor)))) {
+    editor->DeleteSelection(nsIEditor::eNone);
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP nsHTMLTextFieldAccessible::PasteText(PRInt32 aPosition)
+{
+  nsCOMPtr<nsIEditor> editor;
+  if (NS_SUCCEEDED(MakeSelection(aPosition, aPosition, getter_AddRefs(editor)))) {
+    editor->Paste(nsIClipboard::kGlobalClipboard);
+    return NS_OK;
+  }
+
+  return NS_ERROR_FAILURE;
+}
 
 // --- groupbox  -----
 

accessible/src/html/nsHTMLFormControlAccessible.h

@@ -42,6 +42,7 @@
 
 #include "nsBaseWidgetAccessible.h"
 #include "nsFormControlAccessible.h"
+#include "nsIAccessibleEditableText.h"
 
 class nsICheckboxControlFrame;
 
@@ -92,13 +93,22 @@ public:
   NS_IMETHOD AccDoAction(PRUint8 index);
 };
 
-class nsHTMLTextFieldAccessible : public nsFormControlAccessible
+class nsIEditor;
+
+class nsHTMLTextFieldAccessible : public nsFormControlAccessible,
+                                  public nsIAccessibleEditableText
 {
 public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIACCESSIBLEEDITABLETEXT
+
   nsHTMLTextFieldAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
   NS_IMETHOD GetAccRole(PRUint32 *_retval); 
   NS_IMETHOD GetAccValue(nsAString& _retval); 
   NS_IMETHOD GetAccState(PRUint32 *_retval);
+
+protected:
+  NS_IMETHOD MakeSelection(PRInt32 aStartPos, PRInt32 aEndPos, nsIEditor **aEditor);
 };
 
 class nsHTMLGroupboxAccessible : public nsAccessible