[metadata] Run evince-convert-metadata tool at startup when needed

This will migrate the old metadata file to gvfs metadata

diff --git a/shell/Makefile.am b/shell/Makefile.am
index 3ccc9ed7ecd98e9dadca988ac480bc452e05bc14..7a4489e8ee8c2a53adcafe363f642ca80c31c25b 100644 (file)
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -17,6 +17,7 @@ INCLUDES=                                                     \
        -I$(top_srcdir)/properties                              \
        -DGNOMELOCALEDIR=\"$(datadir)/locale\"                  \
        -DGNOMEICONDIR=\""$(datadir)/pixmaps"\"                 \
+       -DLIBEXECDIR=\""$(libexecdir)"\"                        \
        -DEVINCE_COMPILATION                                    \
        $(SHELL_CFLAGS)                                         \
        $(WARN_CFLAGS)                                          \

diff --git a/shell/main.c b/shell/main.c
index 2ad17da562db4c9e6abc1b9ba07750da65dfa4a4..a84c17fefa6505a3ec2e451f77774c353b6d755f 100644 (file)
--- a/shell/main.c
+++ b/shell/main.c
@@ -26,6 +26,13 @@
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
 
+#ifndef G_OS_WIN32
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
 #ifdef ENABLE_DBUS
 #include <gdk/gdkx.h>
 #include <dbus/dbus-glib-bindings.h>
@@ -37,6 +44,7 @@
 #include "ev-init.h"
 #include "ev-file-helpers.h"
 #include "ev-stock-icons.h"
+#include "ev-metadata.h"
 
 #ifdef WITH_SMCLIENT
 #include "eggsmclient.h"
@@ -146,6 +154,74 @@ launch_previewer (void)
        return retval;
 }
 
+#ifndef G_OS_WIN32
+static gboolean
+convert_metadata (const gchar *metadata)
+{
+       GFile   *file;
+       gchar   *cmd;
+       gint     exit_status;
+       GError  *error = NULL;
+       gboolean retval;
+
+       /* If metadata is not supported for a local file
+        * is likely because and old gvfs version is running.
+        */
+       file = g_file_new_for_path (metadata);
+       if (!ev_is_metadata_supported_for_file (file)) {
+               g_warning ("%s\n",
+                          "GVFS metadata not supported, "
+                          "Evince will run without metadata support");
+               g_object_unref (file);
+               return FALSE;
+       }
+       g_object_unref (file);
+
+       cmd = g_strdup_printf ("%s %s", LIBEXECDIR"/evince-convert-metadata", metadata);
+
+       retval = g_spawn_command_line_sync (cmd, NULL, NULL, &exit_status, &error);
+       g_free (cmd);
+
+       if (!retval) {
+               g_printerr ("Error migrating metadata: %s\n", error->message);
+               g_error_free (error);
+       }
+
+       return retval && exit_status == 0;
+}
+
+static void
+ev_migrate_metadata (void)
+{
+       gchar *updated;
+       gchar *metadata;
+
+       updated = g_build_filename (ev_application_get_dot_dir (EV_APP),
+                                   "migrated-to-gvfs", NULL);
+       if (g_file_test (updated, G_FILE_TEST_EXISTS)) {
+               /* Already migrated */
+               g_free (updated);
+               return;
+       }
+
+       metadata = g_build_filename (ev_application_get_dot_dir (EV_APP),
+                                    "ev-metadata.xml", NULL);
+       if (g_file_test (metadata, G_FILE_TEST_EXISTS)) {
+               if (convert_metadata (metadata)) {
+                       gint fd;
+
+                       fd = g_creat (updated, 0600);
+                       if (fd != -1) {
+                               close (fd);
+                       }
+               }
+       }
+
+       g_free (updated);
+       g_free (metadata);
+}
+#endif /* !G_OS_WIN32 */
+
 static void
 value_free (GValue *value)
 {
@@ -475,6 +551,10 @@ main (int argc, char *argv[])
         if (!ev_init ())
                 return 1;
 
+#ifndef G_OS_WIN32
+       ev_migrate_metadata ();
+#endif
+
        ev_stock_icons_init ();
 
 #if defined(WITH_SMCLIENT) && defined(GDK_WINDOWING_X11)