[evolution/wip-webkit2: 6/11] Port e-mail-signature-preview to WK2

[Tomas Popela <tpopela src gnome org>]

commit 3bd2d984e2e36d30e1f37aca50e3f42268b23d5f
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Oct 18 08:24:05 2013 +0200

    Port e-mail-signature-preview to WK2

 e-util/e-mail-signature-preview.c |   76 ++++++++++--------------------------
 1 files changed, 21 insertions(+), 55 deletions(-)
---
diff --git a/e-util/e-mail-signature-preview.c b/e-util/e-mail-signature-preview.c
index d5e809f..2abc694 100644
--- a/e-util/e-mail-signature-preview.c
+++ b/e-util/e-mail-signature-preview.c
@@ -57,64 +57,30 @@ G_DEFINE_TYPE (
        E_TYPE_WEB_VIEW)
 
 static void
-replace_local_image_links (WebKitDOMElement *element)
+signature_preview_document_loaded_cb (WebKitWebView *web_view,
+                                      WebKitLoadEvent load_event,
+                                      gpointer user_data)
 {
-       WebKitDOMElement *child;
+       GDBusProxy *web_extension;
+       GVariant* result;
 
-       if (element == NULL)
+       if (load_event != WEBKIT_LOAD_FINISHED)
                return;
 
-       if (WEBKIT_DOM_IS_HTML_IMAGE_ELEMENT (element)) {
-               WebKitDOMHTMLImageElement *img;
-               gchar *src;
-
-               img = WEBKIT_DOM_HTML_IMAGE_ELEMENT (element);
-               src = webkit_dom_html_image_element_get_src (img);
-               if (src && g_ascii_strncasecmp (src, "file://", 7) == 0) {
-                       gchar *new_src;
-
-                       /* this forms "evo-file://", which can be loaded,
-                        * while "file://" cannot be, due to webkit policy */
-                       new_src = g_strconcat ("evo-", src, NULL);
-                       webkit_dom_html_image_element_set_src (img, new_src);
-                       g_free (new_src);
-               }
-
-               g_free (src);
-       }
-
-       if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT (element)) {
-               WebKitDOMDocument *frame_document;
-
-               frame_document =
-                       webkit_dom_html_iframe_element_get_content_document (
-                               WEBKIT_DOM_HTML_IFRAME_ELEMENT (element));
-               replace_local_image_links (WEBKIT_DOM_ELEMENT (frame_document));
-       }
-
-       child = webkit_dom_element_get_first_element_child (element);
-       replace_local_image_links (child);
-
-       do {
-               element = webkit_dom_element_get_next_element_sibling (element);
-               replace_local_image_links (element);
-       } while (element != NULL);
-}
-
-static void
-signature_preview_document_loaded_cb (WebKitWebView *web_view,
-                                      WebKitWebFrame *web_frame,
-                                      gpointer user_data)
-{
-       WebKitDOMDocument *document;
-       WebKitDOMNode *node;
-
-       document = webkit_web_view_get_dom_document (web_view);
-       for (node = webkit_dom_node_get_first_child (WEBKIT_DOM_NODE (document));
-            node;
-            node = webkit_dom_node_get_next_sibling (node)) {
-               if (WEBKIT_DOM_IS_ELEMENT (node))
-                       replace_local_image_links (WEBKIT_DOM_ELEMENT (node));
+       web_extension = e_web_view_get_web_extension_proxy (E_WEB_VIEW (web_view));
+       if (web_extension) {
+               result = g_dbus_proxy_call_sync (
+                               web_extension,
+                               "ReplaceLocalImageLinks",
+                               g_variant_new (
+                                       "(t)",
+                                       webkit_web_view_get_page_id (web_view)),
+                               G_DBUS_CALL_FLAGS_NONE,
+                               -1,
+                               NULL, //cancellable
+                               NULL);
+               if (result)
+                       g_variant_unref (result);
        }
 }
 
@@ -367,7 +333,7 @@ e_mail_signature_preview_init (EMailSignaturePreview *preview)
        preview->priv = E_MAIL_SIGNATURE_PREVIEW_GET_PRIVATE (preview);
 
        g_signal_connect (
-               preview, "document-load-finished",
+               preview, "load-changed",
                G_CALLBACK (signature_preview_document_loaded_cb), NULL);
 }