[evolution/wip/webkit-composer] EEditorWidget: Replace images http(s) source to evo-http(s)

[Tomas Popela <tpopela src gnome org>]

commit a9a6e4ac0835df4c3153321ae5933ffbf5602607
Author: Tomas Popela <tpopela redhat com>
Date:   Thu Feb 6 10:19:53 2014 +0100

    EEditorWidget: Replace images http(s) source to evo-http(s)
    
    This prevents the Web View to download image straightly but it has to go
    through EHttpRequest

 e-util/e-editor-widget.c |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)
---
diff --git a/e-util/e-editor-widget.c b/e-util/e-editor-widget.c
index 712bd78..488dea9 100644
--- a/e-util/e-editor-widget.c
+++ b/e-util/e-editor-widget.c
@@ -341,6 +341,37 @@ body_input_event_cb (WebKitDOMElement *element,
 }
 
 static void
+change_images_http_src_to_evo_http (EEditorWidget *widget,
+                                    gboolean to_evo_http)
+{
+       WebKitDOMDocument *document;
+       WebKitDOMNodeList *list;
+       gint length, ii;
+
+       document = webkit_web_view_get_dom_document (WEBKIT_WEB_VIEW (widget));
+       list = webkit_dom_document_query_selector_all (
+               document, to_evo_http ? "img[src^=http]" : "img[src^=evo-http]", NULL);
+       length = webkit_dom_node_list_get_length (list);
+
+       for (ii = 0; ii < length; ii++) {
+               WebKitDOMHTMLImageElement *img;
+               gchar *src;
+
+               img = WEBKIT_DOM_HTML_IMAGE_ELEMENT (webkit_dom_node_list_item (list, ii));
+               src = webkit_dom_html_image_element_get_src (img);
+
+               if (to_evo_http) {
+                       gchar *new_src = g_strconcat ("evo-http", src + 4, NULL);
+                       webkit_dom_html_image_element_set_src (img, new_src);
+                       g_free (new_src);
+               } else
+                       webkit_dom_html_image_element_set_src (img, src + 4);
+
+               g_free (src);
+       }
+}
+
+static void
 change_cid_images_src_to_base64 (EEditorWidget *widget)
 {
        gint ii, length;
@@ -404,6 +435,7 @@ editor_widget_load_status_changed (EEditorWidget *widget)
                widget);
 
        if (widget->priv->html_mode) {
+               change_images_http_src_to_evo_http (widget, TRUE);
                change_cid_images_src_to_base64 (widget);
        }