remove latest mateconf usage

metadata saved in files instead of migrate to gsettings
(caja-desktop-metadata.c is from nautilus)

1 files changed, 294 insertions, 0 deletions

diff --git a/libcaja-private/caja-desktop-metadata.c b/libcaja-private/caja-desktop-metadata.c
new file mode 100644
index 00000000..f9d1b25f
--- /dev/null
+++ b/libcaja-private/caja-desktop-metadata.c
@@ -0,0 +1,294 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/*
+ * Caja
+ *
+ * Copyright (C) 2011 Red Hat, Inc.
+ *               2012 Stefano Karapetsas
+ *
+ * Caja is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Caja is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; see the file COPYING.  If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Cosimo Cecchi <[email protected]>
+ *          Stefano Karapetsas <[email protected]>
+ */
+
+#include <config.h>
+
+#include "caja-desktop-metadata.h"
+
+#include "caja-directory-notify.h"
+#include "caja-file-private.h"
+#include "caja-file-utilities.h"
+
+#include <glib/gstdio.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+static guint save_in_idle_source_id = 0;
+
+static gchar *
+get_keyfile_path (void)
+{
+    gchar *xdg_dir, *retval;
+
+    xdg_dir = caja_get_user_directory ();
+    retval = g_build_filename (xdg_dir, "desktop-metadata", NULL);
+
+    g_free (xdg_dir);
+    
+    return retval;
+}
+
+static gboolean
+save_in_idle_cb (gpointer data)
+{
+    GKeyFile *keyfile = data;
+    gchar *contents, *filename;
+    gsize length;
+    GError *error = NULL;
+
+    save_in_idle_source_id = 0;
+
+    contents = g_key_file_to_data (keyfile, &length, NULL);
+    filename = get_keyfile_path ();
+
+    if (contents != NULL) {
+        g_file_set_contents (filename,
+                     contents, length,
+                     &error);
+        g_free (contents);
+    }
+
+    if (error != NULL) {
+        g_warning ("Couldn't save the desktop metadata keyfile to disk: %s",
+               error->message);
+        g_error_free (error);
+    }
+
+    g_free (filename);
+
+    return FALSE;
+}
+
+static void
+save_in_idle (GKeyFile *keyfile)
+{
+    if (save_in_idle_source_id != 0) {
+        g_source_remove (save_in_idle_source_id);
+    }
+
+    save_in_idle_source_id = g_idle_add (save_in_idle_cb, keyfile);
+}
+
+static GKeyFile *
+load_metadata_keyfile (void)
+{
+      GKeyFile *retval;
+    GError *error = NULL;
+    gchar *filename;
+
+    retval = g_key_file_new ();
+    filename = get_keyfile_path ();
+
+    g_key_file_load_from_file (retval,
+                   filename,
+                   G_KEY_FILE_NONE,
+                   &error);
+
+    if (error != NULL) {
+        if (!g_error_matches (error,
+                      G_FILE_ERROR,
+                      G_FILE_ERROR_NOENT)) {
+            g_print ("Unable to open the desktop metadata keyfile: %s\n",
+                 error->message);
+        }
+
+        g_error_free (error);
+    }
+
+    g_free (filename);
+
+    return retval;
+}
+
+static GKeyFile *
+get_keyfile (void)
+{
+    static gboolean keyfile_loaded = FALSE;
+    static GKeyFile *keyfile = NULL;
+
+    if (!keyfile_loaded) {
+        keyfile = load_metadata_keyfile ();
+        keyfile_loaded = TRUE;
+    }
+
+    return keyfile;
+}
+
+void
+caja_desktop_set_metadata_string (CajaFile *file,
+                                      const gchar *name,
+                                      const gchar *key,
+                                      const gchar *string)
+{
+    GKeyFile *keyfile;
+
+    keyfile = get_keyfile ();
+
+    g_key_file_set_string (keyfile,
+                   name,
+                   key,
+                   string);
+
+    save_in_idle (keyfile);
+
+    if (caja_desktop_update_metadata_from_keyfile (file, name)) {
+        caja_file_changed (file);
+    }    
+}
+
+#define STRV_TERMINATOR "@x-caja-desktop-metadata-term@"
+
+void
+caja_desktop_set_metadata_stringv (CajaFile *file,
+                                       const char *name,
+                                       const char *key,
+                                       const char * const *stringv)
+{
+    GKeyFile *keyfile;
+    guint length;
+    gchar **actual_stringv = NULL;
+    gboolean free_strv = FALSE;
+
+    keyfile = get_keyfile ();
+
+    /* if we would be setting a single-length strv, append a fake
+     * terminator to the array, to be able to differentiate it later from
+     * the single string case
+     */
+    length = g_strv_length ((gchar **) stringv);
+
+    if (length == 1) {
+        actual_stringv = g_malloc0 (3 * sizeof (gchar *));
+        actual_stringv[0] = (gchar *) stringv[0];
+        actual_stringv[1] = STRV_TERMINATOR;
+        actual_stringv[2] = NULL;
+
+        length = 2;
+        free_strv = TRUE;
+    } else {
+        actual_stringv = (gchar **) stringv;
+    }
+
+    g_key_file_set_string_list (keyfile,
+                    name,
+                    key,
+                    (const gchar **) actual_stringv,
+                    length);
+
+    save_in_idle (keyfile);
+
+    if (caja_desktop_update_metadata_from_keyfile (file, name)) {
+        caja_file_changed (file);
+    }
+
+    if (free_strv) {
+        g_free (actual_stringv);
+    }
+}
+
+gboolean
+caja_desktop_update_metadata_from_keyfile (CajaFile *file,
+                           const gchar *name)
+{
+    gchar **keys, **values;
+    const gchar *actual_values[2];
+    const gchar *key, *value;
+    gchar *gio_key;
+    gsize length, values_length;
+    GKeyFile *keyfile;
+    GFileInfo *info;
+    gint idx;
+    gboolean res;
+
+    keyfile = get_keyfile ();
+
+    keys = g_key_file_get_keys (keyfile,
+                    name,
+                    &length,
+                    NULL);
+
+    if (keys == NULL) {
+        return FALSE;
+    }
+
+    info = g_file_info_new ();
+
+    for (idx = 0; idx < length; idx++) {
+        key = keys[idx];
+        values = g_key_file_get_string_list (keyfile,
+                             name,
+                             key,
+                             &values_length,
+                             NULL);
+
+        gio_key = g_strconcat ("metadata::", key, NULL);
+
+        if (values_length < 1) {
+            continue;
+        } else if (values_length == 1) {
+            g_file_info_set_attribute_string (info,
+                              gio_key,
+                              values[0]);
+        } else if (values_length == 2) {
+            /* deal with the fact that single-length strv are stored
+             * with an additional terminator in the keyfile string, to differentiate
+             * them from the regular string case.
+             */
+            value = values[1];
+
+            if (g_strcmp0 (value, STRV_TERMINATOR) == 0) {
+                /* if the 2nd value is the terminator, remove it */
+                actual_values[0] = values[0];
+                actual_values[1] = NULL;
+
+                g_file_info_set_attribute_stringv (info,
+                                   gio_key,
+                                   (gchar **) actual_values);
+            } else {
+                /* otherwise, set it as a regular strv */
+                g_file_info_set_attribute_stringv (info,
+                                   gio_key,
+                                   values);
+            }
+        } else {
+            g_file_info_set_attribute_stringv (info,
+                               gio_key,
+                               values);
+        }
+
+        g_free (gio_key);
+        g_strfreev (values);
+    }
+
+    res = caja_file_update_metadata_from_info (file, info);
+
+    g_strfreev (keys);
+    g_object_unref (info);
+
+    return res;
+}