Bug 436703 - select all + Copy/paste in contenteditable div pastes the editable div inside itself, r=peterv

content/base/src/nsDocumentEncoder.cpp

@@ -1400,6 +1400,10 @@ nsHTMLCopyEncoder::PromoteAncestorChain(nsCOMPtr<nsIDOMNode> *ioNode,
   nsCOMPtr<nsIDOMNode> frontNode, endNode, parent;
   PRInt32 frontOffset, endOffset;
 
+  //save the editable state of the ioNode, so we don't promote an ancestor if it has different editable state
+  nsCOMPtr<nsINode> node = do_QueryInterface(*ioNode);
+  PRBool isEditable = node->IsEditable();
+  
   // loop for as long as we can promote both endpoints
   while (!done)
   {
@@ -1415,8 +1419,11 @@ nsHTMLCopyEncoder::PromoteAncestorChain(nsCOMPtr<nsIDOMNode> *ioNode,
       // then we make the same attempt with the endpoint
       rv = GetPromotedPoint( kEnd, *ioNode, *ioEndOffset, address_of(endNode), &endOffset, parent);
       NS_ENSURE_SUCCESS(rv, rv);
-      // if both endpoints were promoted one level, keep looping - otherwise we are done.
-      if ( (frontNode != parent) || (endNode != parent) )
+
+      nsCOMPtr<nsINode> frontINode = do_QueryInterface(frontNode);
+      // if both endpoints were promoted one level and isEditable is the same as the original node, 
+      // keep looping - otherwise we are done.
+      if ( (frontNode != parent) || (endNode != parent) || (frontINode->IsEditable() != isEditable) )
         done = PR_TRUE;
       else
       {

content/base/test/test_htmlcopyencoder.html

@@ -157,6 +157,15 @@ function testHtmlCopyEncoder () {
   expected = '<ol id=\"aList\">\n   <li value=\"8\">Lorem ipsum dolor</li>\n  <li>sit amet, <strong>consectetuer</strong> </li>\n  <li>adipiscing elit</li>\n  <li>Nam eu sapien. Sed viverra lacus. Donec quis ipsum. Nunc cursus \naliquet lectus. Nunc vitae eros. Class</li>\n  <li>aptent taciti</li>\n</ol>';
   is(out, expected, "test list selection with a value on a LI");
 
+  //test Bug 436703
+  node = document.getElementById('aContentEditable');
+  select.selectAllChildren(node);
+  encoder.init(document, "text/html", de.OutputLFLineBreak | de.OutputSelectionOnly);
+  encoder.setSelection(select);
+  out = encoder.encodeToString();
+  expected = '<p>one</p><p>two</p>';
+  is(out, expected, "select all children in an contentEditable div should not select the div itself");
+
   SimpleTest.finish();
 }
 
@@ -183,5 +192,7 @@ addLoadEvent(testHtmlCopyEncoder);
 </ol>
 foo bar
 </div>
+
+<div id="aContentEditable" contentEditable="true"><p>one</p><p>two</p></div>
 </body>
 </html>