[evolution/wip/webkit2] Bug 750661 - Invalid cast from 'WebKitDOMHTMLElement' to 'WebKitDOMCharacterData'

[Milan Crha <mcrha src gnome org>]

commit 467f562502b0c9d37d74fed3d30f2f80a0ae1fa4
Author: Tomas Popela <tpopela redhat com>
Date:   Thu Feb 25 18:29:27 2016 +0100

    Bug 750661 - Invalid cast from 'WebKitDOMHTMLElement' to 'WebKitDOMCharacterData'

 .../e-html-editor-selection-dom-functions.c        |   32 ++++++++++++++++----
 1 files changed, 26 insertions(+), 6 deletions(-)
---
diff --git a/web-extensions/composer/e-html-editor-selection-dom-functions.c 
b/web-extensions/composer/e-html-editor-selection-dom-functions.c
index f387d51..262a15c 100644
--- a/web-extensions/composer/e-html-editor-selection-dom-functions.c
+++ b/web-extensions/composer/e-html-editor-selection-dom-functions.c
@@ -2293,14 +2293,34 @@ wrap_lines (WebKitDOMDocument *document,
                        }
 
                        if (element_has_class (WEBKIT_DOM_ELEMENT (node), "Apple-tab-span")) {
-                               WebKitDOMNode *prev_sibling;
+                               WebKitDOMNode *sibling;
+                               gint tab_length;
 
-                               prev_sibling = webkit_dom_node_get_previous_sibling (node);
-                               if (prev_sibling && WEBKIT_DOM_IS_ELEMENT (prev_sibling) &&
-                                   element_has_class (WEBKIT_DOM_ELEMENT (prev_sibling), "Applet-tab-span"))
-                                       line_length += TAB_LENGTH;
+                               sibling = webkit_dom_node_get_previous_sibling (node);
+                               if (sibling && WEBKIT_DOM_IS_ELEMENT (sibling) &&
+                                   element_has_class (WEBKIT_DOM_ELEMENT (sibling), "Apple-tab-span"))
+                                       tab_length = TAB_LENGTH;
                                else
-                                       line_length += TAB_LENGTH - line_length % TAB_LENGTH;
+                                       tab_length = TAB_LENGTH - line_length % TAB_LENGTH;
+
+                               if (line_length + tab_length > word_wrap_length) {
+                                       if (webkit_dom_node_get_next_sibling (node)) {
+                                               element = webkit_dom_document_create_element (
+                                                       document, "BR", NULL);
+                                               element_add_class (element, "-x-evo-wrap-br");
+                                               node = webkit_dom_node_insert_before (
+                                                       webkit_dom_node_get_parent_node (node),
+                                                       WEBKIT_DOM_NODE (element),
+                                                       webkit_dom_node_get_next_sibling (node),
+                                                       NULL);
+                                       }
+                                       line_length = 0;
+                               } else
+                                       line_length += tab_length;
+
+                               sibling = webkit_dom_node_get_next_sibling (node);
+                               node = sibling;
+                               continue;
                        }
                        /* When we are not removing user-entered BR elements (lines wrapped by user),
                         * we need to skip those elements */