[evolution/wip/webkit2] [CamelGpgContext] Provide signer photos when available

[Milan Crha <mcrha src gnome org>]

commit a78f74a8d18aa3b848ff75632cab38405990c479
Author: Milan Crha <mcrha redhat com>
Date:   Thu May 26 19:40:32 2016 +0200

    [CamelGpgContext] Provide signer photos when available

 em-format/e-mail-formatter-secure-button.c |   45 ++++++++++++++++++++++++++--
 1 files changed, 42 insertions(+), 3 deletions(-)
---
diff --git a/em-format/e-mail-formatter-secure-button.c b/em-format/e-mail-formatter-secure-button.c
index 8269fcc..1f0420d 100644
--- a/em-format/e-mail-formatter-secure-button.c
+++ b/em-format/e-mail-formatter-secure-button.c
@@ -142,6 +142,41 @@ format_cert_infos (GQueue *cert_infos,
 }
 
 static void
+add_photo_cb (gpointer data,
+             gpointer user_data)
+{
+       CamelCipherCertInfo *cert_info = data;
+       gint width, height;
+       GString *html = user_data;
+       const gchar *photo_filename;
+       gchar *uri;
+
+       g_return_if_fail (cert_info != NULL);
+       g_return_if_fail (html != NULL);
+
+       photo_filename = camel_cipher_certinfo_get_property (cert_info, 
CAMEL_CIPHER_CERT_INFO_PROPERTY_PHOTO_FILENAME);
+       if (!photo_filename || !g_file_test (photo_filename, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR))
+               return;
+
+       if (!gtk_icon_size_lookup (GTK_ICON_SIZE_DND, &width, &height)) {
+               width = 32;
+               height = 32;
+       }
+
+       if (width < 32)
+               width = 32;
+       if (height < 32)
+               height = 32;
+
+       uri = g_filename_to_uri (photo_filename, NULL, NULL);
+
+       g_string_append_printf (html, "<img src=\"evo-%s\" width=\"%dpx\" height=\"%dpx\" 
style=\"vertical-align:middle; margin-right:4px;\">",
+               uri, width, height);
+
+       g_free (uri);
+}
+
+static void
 secure_button_format_validity (EMailPart *part,
                               CamelCipherValidity *validity,
                               GString *html)
@@ -201,12 +236,16 @@ secure_button_format_validity (EMailPart *part,
 
        g_string_append_printf (html,
                "<td style=\"width:1px;\"><button type=\"button\" class=\"secure-button\" 
id=\"secure-button\" value=\"%p:%p\" accesskey=\"\" style=\"vertical-align:middle;\">"
-               "<img src=\"gtk-stock://%s?size=%d\" width=\"%dpx\" height=\"%dpx\" 
style=\"vertical-align:middle;\"></button></td><td><span style=\"color:#%06x; 
vertical-align:middle;\">%s</span></td>",
+               "<img src=\"gtk-stock://%s?size=%d\" width=\"%dpx\" height=\"%dpx\" 
style=\"vertical-align:middle;\"></button></td><td><span style=\"color:#%06x; vertical-align:middle;\">",
                part, validity, icon_name, GTK_ICON_SIZE_LARGE_TOOLBAR,
-               icon_width, icon_height, e_rgba_to_value (&smime_sign_colour[5]), description);
+               icon_width, icon_height, e_rgba_to_value (&smime_sign_colour[5]));
+
+       g_queue_foreach (&validity->sign.signers, add_photo_cb, html);
+       g_queue_foreach (&validity->encrypt.encrypters, add_photo_cb, html);
+
+       g_string_append_printf (html, "%s</span></td></tr></table>\n", description);
 
        g_free (description);
-       g_string_append (html, "</tr></table>\n");
 }
 
 static gboolean