[evolution] EHTMLEditorView - Optimize the put_body_in_citation function

[Tomas Popela <tpopela src gnome org>]

commit cb4d8617ed2d004badce5e5a4f71329c3b8f71ce
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Oct 31 12:13:31 2014 +0100

    EHTMLEditorView - Optimize the put_body_in_citation function
    
    Use DOM operations instead of manipulating with strings. Before this
    change the HTML test message spent there 160 ms afterwards 21 ms.

 e-util/e-html-editor-view.c |   23 ++++++++++++++---------
 1 files changed, 14 insertions(+), 9 deletions(-)
---
diff --git a/e-util/e-html-editor-view.c b/e-util/e-html-editor-view.c
index d4f6881..0929b60 100644
--- a/e-util/e-html-editor-view.c
+++ b/e-util/e-html-editor-view.c
@@ -934,17 +934,22 @@ put_body_in_citation (WebKitDOMDocument *document)
 
        if (cite_body) {
                WebKitDOMHTMLElement *body = webkit_dom_document_get_body (document);
-               gchar *inner_html, *with_citation;
+               WebKitDOMNode *citation;
+               WebKitDOMNode *sibling;
 
-               remove_node (WEBKIT_DOM_NODE (cite_body));
+               citation = WEBKIT_DOM_NODE (
+                       webkit_dom_document_create_element (document, "blockquote", NULL));
+               webkit_dom_element_set_id (WEBKIT_DOM_ELEMENT (citation), "-x-evo-main-cite");
+               webkit_dom_element_set_attribute (WEBKIT_DOM_ELEMENT (citation), "type", "cite", NULL);
 
-               inner_html = webkit_dom_html_element_get_inner_html (body);
-               with_citation = g_strconcat (
-                       "<blockquote type=\"cite\" id=\"-x-evo-main-cite\">",
-                       inner_html, "</span>", NULL);
-               webkit_dom_html_element_set_inner_html (body, with_citation, NULL);
-               g_free (inner_html);
-               g_free (with_citation);
+               webkit_dom_node_insert_before (
+                       WEBKIT_DOM_NODE (body),
+                       citation,
+                       webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (body)),
+                       NULL);
+
+               while ((sibling = webkit_dom_node_get_next_sibling (citation)))
+                       webkit_dom_node_append_child (citation, sibling, NULL);
        }
 }