[evolution] EHTMLEditorSelection - Don't perform actions on selection-changed callback when we cannot obtain val

[Tomas Popela <tpopela src gnome org>]

commit 27c00b5b3da38a6cedf9d09e9ad6442a0defe201
Author: Tomas Popela <tpopela redhat com>
Date:   Mon Apr 20 16:42:33 2015 +0200

    EHTMLEditorSelection - Don't perform actions on selection-changed callback when we cannot obtain valid 
range

 e-util/e-html-editor-selection.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/e-util/e-html-editor-selection.c b/e-util/e-html-editor-selection.c
index a8cf1fd..c0f5f53 100644
--- a/e-util/e-html-editor-selection.c
+++ b/e-util/e-html-editor-selection.c
@@ -232,9 +232,12 @@ static void
 html_editor_selection_selection_changed_cb (WebKitWebView *web_view,
                                             EHTMLEditorSelection *selection)
 {
-       EHTMLEditorView *view;
+       WebKitDOMRange *range = NULL;
 
-       view = e_html_editor_selection_ref_html_editor_view (selection);
+       range = html_editor_selection_get_current_range (selection);
+       if (!range)
+               return;
+       g_object_unref (range);
 
        g_object_freeze_notify (G_OBJECT (selection));
 
@@ -243,7 +246,7 @@ html_editor_selection_selection_changed_cb (WebKitWebView *web_view,
        g_object_notify (G_OBJECT (selection), "indented");
        g_object_notify (G_OBJECT (selection), "text");
 
-       if (!e_html_editor_view_get_html_mode (view))
+       if (!e_html_editor_view_get_html_mode (E_HTML_EDITOR_VIEW (web_view)))
                goto out;
 
        g_object_notify (G_OBJECT (selection), "background-color");
@@ -259,7 +262,6 @@ html_editor_selection_selection_changed_cb (WebKitWebView *web_view,
        g_object_notify (G_OBJECT (selection), "underline");
 
  out:
-       g_object_unref (view);
        g_object_thaw_notify (G_OBJECT (selection));
 }