[evolution/wip-webkit2] EWebView - Handle gtk-stock URI scheme

[Tomas Popela <tpopela src gnome org>]

commit 0c65980fd486cb4e94ee127c42caa34b1713fefc
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Nov 15 13:12:55 2013 +0100

    EWebView - Handle gtk-stock URI scheme

 e-util/e-web-view.c   |  103 +++++++++++++++++++++++++++++++++++++++++++++++++
 mail/e-mail-display.c |   10 -----
 2 files changed, 103 insertions(+), 10 deletions(-)
---
diff --git a/e-util/e-web-view.c b/e-util/e-web-view.c
index 7d23f7b..20a4a56 100644
--- a/e-util/e-web-view.c
+++ b/e-util/e-web-view.c
@@ -1741,18 +1741,121 @@ static void
 web_view_mail_uri_scheme_appeared_cb (WebKitURISchemeRequest *request,
                                       EWebView *web_view)
 {
+       g_warning ("%s", __FUNCTION__);
 }
 
 static void
 web_view_http_uri_scheme_appeared_cb (WebKitURISchemeRequest *request,
                                       EWebView *web_view)
 {
+       g_warning ("%s", __FUNCTION__);
 }
 
 static void
 web_view_gtk_stock_uri_scheme_appeared_cb (WebKitURISchemeRequest *request,
                                            EWebView *web_view)
 {
+       SoupURI *uri;
+       GHashTable *query = NULL;
+       GtkStyleContext *context;
+       GtkWidgetPath *path;
+       GtkIconSet *icon_set;
+       gssize size = GTK_ICON_SIZE_BUTTON;
+       gchar *a_size;
+       gchar *buffer = NULL;
+       gchar *content_type = NULL;
+       gsize buff_len = 0;
+       GError *local_error = NULL;
+
+       g_warning ("%s", __FUNCTION__);
+       uri = soup_uri_new (webkit_uri_scheme_request_get_uri (request));
+       if (uri != NULL)
+               query = soup_form_decode (uri->query);
+
+       if (query != NULL) {
+               a_size = g_hash_table_lookup (query, "size");
+               if (a_size != NULL)
+                       size = atoi (a_size);
+               g_hash_table_destroy (query);
+       }
+
+       /* Try style context first */
+       context = gtk_style_context_new ();
+       path = gtk_widget_path_new ();
+       gtk_widget_path_append_type (path, GTK_TYPE_WINDOW);
+       gtk_widget_path_append_type (path, GTK_TYPE_BUTTON);
+       gtk_style_context_set_path (context, path);
+       gtk_widget_path_free (path);
+
+       icon_set = gtk_style_context_lookup_icon_set (context, uri->host);
+       if (icon_set != NULL) {
+               GdkPixbuf *pixbuf;
+
+               pixbuf = gtk_icon_set_render_icon_pixbuf (
+                       icon_set, context, size);
+               gdk_pixbuf_save_to_buffer (
+                       pixbuf, &buffer, &buff_len,
+                       "png", &local_error, NULL);
+               g_object_unref (pixbuf);
+
+       /* Fallback to icon theme */
+       } else {
+               GtkIconTheme *icon_theme;
+               GtkIconInfo *icon_info;
+               const gchar *filename;
+
+               icon_theme = gtk_icon_theme_get_default ();
+
+               icon_info = gtk_icon_theme_lookup_icon (
+                       icon_theme, uri->host, size,
+                       GTK_ICON_LOOKUP_USE_BUILTIN);
+
+               filename = gtk_icon_info_get_filename (icon_info);
+               if (filename != NULL) {
+                       g_file_get_contents (
+                               filename, &buffer, &buff_len, &local_error);
+                       content_type =
+                               g_content_type_guess (filename, NULL, 0, NULL);
+
+               } else {
+                       GdkPixbuf *pixbuf;
+
+                       pixbuf = gtk_icon_info_get_builtin_pixbuf (icon_info);
+                       if (pixbuf != NULL) {
+                               gdk_pixbuf_save_to_buffer (
+                                       pixbuf, &buffer, &buff_len,
+                                       "png", &local_error, NULL);
+                               g_object_unref (pixbuf);
+                       }
+               }
+
+               gtk_icon_info_free (icon_info);
+       }
+
+       /* Sanity check */
+       g_return_if_fail (
+               ((buffer != NULL) && (local_error == NULL)) ||
+               ((buffer == NULL) && (local_error != NULL)));
+
+       if (!content_type)
+               content_type = g_strdup ("image/png");
+
+       g_warning ("%s", content_type);
+
+       if (buffer != NULL) {
+               GInputStream *stream;
+
+               stream = g_memory_input_stream_new_from_data (
+                       buffer, buff_len, (GDestroyNotify) g_free);
+
+               webkit_uri_scheme_request_finish (
+                       request, stream, buff_len, content_type);
+
+               g_object_unref (stream);
+       }
+
+       g_object_unref (context);
+       g_free (content_type);
 }
 
 void
diff --git a/mail/e-mail-display.c b/mail/e-mail-display.c
index 7770c21..d9440fd 100644
--- a/mail/e-mail-display.c
+++ b/mail/e-mail-display.c
@@ -1414,12 +1414,6 @@ mail_http_uri_scheme_appeared_cb (WebKitURISchemeRequest *request,
 {
 }
 
-static void
-mail_gtk_stock_uri_scheme_appeared_cb (WebKitURISchemeRequest *request,
-                                       EMailDisplay *display)
-{
-}
-
 static gchar *
 get_value_from_uri (const gchar *uri,
                     const gchar *key)
@@ -1671,10 +1665,6 @@ e_mail_display_init (EMailDisplay *display)
        e_web_view_register_uri_scheme (
                E_WEB_VIEW (display), MAIL_URI_SCHEME,
                mail_mail_uri_scheme_appeared_cb, display);
-       e_web_view_register_uri_scheme (
-               E_WEB_VIEW (display), GTK_STOCK_URI_SCHEME,
-               mail_gtk_stock_uri_scheme_appeared_cb, display);
-
 #if 0
        e_web_view_install_request_handler (
                E_WEB_VIEW (display), E_TYPE_MAIL_REQUEST);