[evolution] EHTMLEditorSelection - Don't leak background color and return default color values when in plain tex

[Tomas Popela <tpopela src gnome org>]

commit 5fd00e5a717519b1b6fc10e52a04cd876d0ee589
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Nov 14 13:50:19 2014 +0100

    EHTMLEditorSelection - Don't leak background color and return default color values when in plain text mode

 e-util/e-html-editor-selection.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/e-util/e-html-editor-selection.c b/e-util/e-html-editor-selection.c
index 5a7b6ea..b217a62 100644
--- a/e-util/e-html-editor-selection.c
+++ b/e-util/e-html-editor-selection.c
@@ -1500,17 +1500,29 @@ e_html_editor_selection_set_alignment (EHTMLEditorSelection *selection,
 const gchar *
 e_html_editor_selection_get_background_color (EHTMLEditorSelection *selection)
 {
+       EHTMLEditorView *view;
        WebKitDOMNode *ancestor;
        WebKitDOMRange *range;
        WebKitDOMCSSStyleDeclaration *css;
 
        g_return_val_if_fail (E_IS_HTML_EDITOR_SELECTION (selection), NULL);
 
+       view = e_html_editor_selection_ref_html_editor_view (selection);
+       g_return_val_if_fail (view != NULL, FALSE);
+
+       if (!e_html_editor_view_get_html_mode (view)) {
+               g_object_unref (view);
+               return "#ffffff";
+       }
+
+       g_object_unref (view);
+
        range = html_editor_selection_get_current_range (selection);
 
        ancestor = webkit_dom_range_get_common_ancestor_container (range, NULL);
 
        css = webkit_dom_element_get_style (WEBKIT_DOM_ELEMENT (ancestor));
+       g_free (selection->priv->background_color);
        selection->priv->background_color =
                webkit_dom_css_style_declaration_get_property_value (
                        css, "background-color");
@@ -2491,9 +2503,22 @@ void
 e_html_editor_selection_get_font_color (EHTMLEditorSelection *selection,
                                         GdkRGBA *rgba)
 {
+       EHTMLEditorView *view;
        gchar *color;
+
        g_return_if_fail (E_IS_HTML_EDITOR_SELECTION (selection));
 
+       view = e_html_editor_selection_ref_html_editor_view (selection);
+       g_return_if_fail (view != NULL);
+
+       if (!e_html_editor_view_get_html_mode (view)) {
+               g_object_unref (view);
+               *rgba = black;
+               return;
+       }
+
+       g_object_unref (view);
+
        if (e_html_editor_selection_is_collapsed (selection)) {
                color = g_strdup (selection->priv->font_color);
        } else {