[evolution] ECert: Implement GcrCertificate interface.

[Matthew Barnes <mbarnes src gnome org>]

commit 6859bcca65d202d964fa1925d7e7afab343c4a54
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Sep 24 15:55:55 2013 -0400

    ECert: Implement GcrCertificate interface.
    
    ECert is now a type of GcrCertificate.

 smime/lib/e-cert.c |   42 +++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 41 insertions(+), 1 deletions(-)
---
diff --git a/smime/lib/e-cert.c b/smime/lib/e-cert.c
index 96ed093..b02cb51 100644
--- a/smime/lib/e-cert.c
+++ b/smime/lib/e-cert.c
@@ -56,6 +56,15 @@
 #include "certdb.h"
 #include "hasht.h"
 
+/* XXX Hack to disable p11-kit's pkcs11.h header, since
+ *     NSS headers supply the same PKCS #11 definitions. */
+#define PKCS11_H 1
+
+/* XXX Yeah, yeah */
+#define GCR_API_SUBJECT_TO_CHANGE
+
+#include <gcr/gcr-base.h>
+
 #define E_CERT_GET_PRIVATE(obj) \
        (G_TYPE_INSTANCE_GET_PRIVATE \
        ((obj), E_TYPE_CERT, ECertPrivate))
@@ -89,7 +98,18 @@ struct _ECertPrivate {
        gboolean delete;
 };
 
-G_DEFINE_TYPE (ECert, e_cert, G_TYPE_OBJECT)
+/* Forward Declarations */
+static void    e_cert_gcr_certificate_init
+                                       (GcrCertificateIface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+       ECert,
+       e_cert,
+       G_TYPE_OBJECT,
+       GCR_CERTIFICATE_MIXIN_IMPLEMENT_COMPARABLE ()
+       G_IMPLEMENT_INTERFACE (
+               GCR_TYPE_CERTIFICATE,
+               e_cert_gcr_certificate_init))
 
 static void
 e_cert_finalize (GObject *object)
@@ -145,6 +165,17 @@ e_cert_finalize (GObject *object)
        G_OBJECT_CLASS (e_cert_parent_class)->finalize (object);
 }
 
+static const guchar *
+cert_get_der_data (GcrCertificate *certificate,
+                   gsize *n_data)
+{
+       ECertPrivate *priv = E_CERT_GET_PRIVATE (certificate);
+
+       *n_data = priv->cert->derCert.len;
+
+       return priv->cert->derCert.data;
+}
+
 static void
 e_cert_class_init (ECertClass *class)
 {
@@ -153,7 +184,16 @@ e_cert_class_init (ECertClass *class)
        g_type_class_add_private (class, sizeof (ECertPrivate));
 
        object_class = G_OBJECT_CLASS (class);
+       object_class->get_property = gcr_certificate_mixin_get_property;
        object_class->finalize = e_cert_finalize;
+
+       gcr_certificate_mixin_class_init (object_class);
+}
+
+static void
+e_cert_gcr_certificate_init (GcrCertificateIface *interface)
+{
+       interface->get_der_data = cert_get_der_data;
 }
 
 static void