[evolution/wip/webkit2] e_editor_dom_test_html_equal: Add a '  ' workaround

[Milan Crha <mcrha src gnome org>]

commit adcc6675f2ed16497ee4bd4fb0d9fa061712ec79
Author: Milan Crha <mcrha redhat com>
Date:   Wed Jun 29 13:09:37 2016 +0200

    e_editor_dom_test_html_equal: Add a '&nbsp;' workaround
    
    And claim about it on the console when being used.

 .../web-extension/e-editor-dom-functions.c         |   37 ++++++++++++++++++-
 1 files changed, 35 insertions(+), 2 deletions(-)
---
diff --git a/modules/webkit-editor/web-extension/e-editor-dom-functions.c 
b/modules/webkit-editor/web-extension/e-editor-dom-functions.c
index 49e7dbd..59597ad 100644
--- a/modules/webkit-editor/web-extension/e-editor-dom-functions.c
+++ b/modules/webkit-editor/web-extension/e-editor-dom-functions.c
@@ -47,12 +47,36 @@
 
 /* ******************** Tests ******************** */
 
+static gchar *
+workaround_spaces (const gchar *text)
+{
+       GString *tmp;
+       gchar *str = NULL;
+
+       tmp = e_str_replace_string (text, "&nbsp;", " ");
+       if (tmp) {
+               str = g_string_free (tmp, FALSE);
+               text = str;
+       }
+
+       tmp = e_str_replace_string (text, " ", " ");
+       if (tmp) {
+               g_free (str);
+               str = g_string_free (tmp, FALSE);
+       } else if (!str) {
+               str = g_strdup (text);
+       }
+
+       return str;
+}
+
 gboolean
 e_editor_dom_test_html_equal (WebKitDOMDocument *document,
                              const gchar *html1,
                              const gchar *html2)
 {
        WebKitDOMElement *elem1, *elem2;
+       gchar *str1, *str2;
        gboolean res = FALSE;
        GError *error = NULL;
 
@@ -74,9 +98,13 @@ e_editor_dom_test_html_equal (WebKitDOMDocument *document,
                return FALSE;
        }
 
-       webkit_dom_element_set_inner_html (elem1, html1, &error);
+       /* FIXME WK2: Workaround when &nbsp; is used instead of regular spaces. (Placed by WebKit?) */
+       str1 = workaround_spaces (html1);
+       str2 = workaround_spaces (html2);
+
+       webkit_dom_element_set_inner_html (elem1, str1, &error);
        if (!error) {
-               webkit_dom_element_set_inner_html (elem2, html2, &error);
+               webkit_dom_element_set_inner_html (elem2, str2, &error);
 
                if (!error) {
                        webkit_dom_node_normalize (WEBKIT_DOM_NODE (elem1));
@@ -90,7 +118,12 @@ e_editor_dom_test_html_equal (WebKitDOMDocument *document,
                g_warning ("%s: Failed to set inner html1: %s", G_STRFUNC, error->message);
        }
 
+       if (res && (g_strcmp0 (html1, str1) != 0 || g_strcmp0 (html2, str2) != 0))
+               g_warning ("%s: Applied the '&nbsp;' workaround", G_STRFUNC);
+
        g_clear_error (&error);
+       g_free (str1);
+       g_free (str2);
 
        return res;
 }