[evolution] Renew spell-check only in viewport and not in the whole document

[Tomas Popela <tpopela src gnome org>]

commit 018fc0a247f8d9df0b88ddac5c088fec15252f6f
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Nov 4 12:51:12 2016 +0100

    Renew spell-check only in viewport and not in the whole document
    
    This saves over 4 seconds when loading test message from rhbz#1390800

 .../web-extension/e-editor-dom-functions.c         |   23 ++++++-------------
 1 files changed, 7 insertions(+), 16 deletions(-)
---
diff --git a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c 
b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
index 56558e7..b428bab 100644
--- a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
+++ b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
@@ -8451,17 +8451,7 @@ e_editor_dom_process_content_after_load (EEditorPage *editor_page)
                dom_set_links_active (document, FALSE);
                e_editor_page_set_convert_in_situ (editor_page, FALSE);
 
-               e_editor_dom_scroll_to_caret (editor_page);
-
-               e_editor_dom_register_input_event_listener_on_body (editor_page);
-               register_html_events_handlers (editor_page, body);
-
-               if (e_editor_page_get_inline_spelling_enabled (editor_page))
-                       e_editor_dom_force_spell_check (editor_page);
-               else
-                       e_editor_dom_turn_spell_check_off (editor_page);
-
-               return;
+               goto out;
        }
 
        adapt_to_editor_dom_changes (document);
@@ -8493,15 +8483,16 @@ e_editor_dom_process_content_after_load (EEditorPage *editor_page)
                e_editor_dom_selection_restore (editor_page);
        }
 
+       e_editor_dom_fix_file_uri_images (editor_page);
+       change_cid_images_src_to_base64 (editor_page);
+
+ out:
        /* Register on input event that is called when the content (body) is modified */
        e_editor_dom_register_input_event_listener_on_body (editor_page);
        register_html_events_handlers (editor_page, body);
 
-       e_editor_dom_fix_file_uri_images (editor_page);
-       change_cid_images_src_to_base64 (editor_page);
-
        if (e_editor_page_get_inline_spelling_enabled (editor_page))
-               e_editor_dom_force_spell_check (editor_page);
+               e_editor_dom_force_spell_check_in_viewport (editor_page);
        else
                e_editor_dom_turn_spell_check_off (editor_page);
 
@@ -8815,8 +8806,8 @@ e_editor_dom_insert_html (EEditorPage *editor_page,
                }
 
                e_editor_dom_check_magic_links (editor_page, FALSE);
-               e_editor_dom_force_spell_check (editor_page);
                e_editor_dom_scroll_to_caret (editor_page);
+               e_editor_dom_force_spell_check_in_viewport (editor_page);
        } else
                e_editor_dom_convert_and_insert_html_into_selection (editor_page, html_text, TRUE);