Add 'Set as wallpaper' extension

1 files changed, 186 insertions, 0 deletions

diff --git a/wallpaper/caja-wallpaper-extension.c b/wallpaper/caja-wallpaper-extension.c
new file mode 100644
index 0000000..f274a20
--- /dev/null
+++ b/wallpaper/caja-wallpaper-extension.c
@@ -0,0 +1,186 @@
+/*
+ *  Caja Wallpaper extension
+ *
+ *  Copyright (C) 2005 Adam Israel
+ *  Copyright (C) 2014 Stefano Karapetsas
+ *
+ *  This program 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.
+ *
+ *  This program 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; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  Authors: Adam Israel <[email protected]>
+ *           Stefano Karapetsas <[email protected]>
+ */
+ 
+#include <config.h>
+#include <string.h>
+#include <gio/gio.h>
+#include <glib/gi18n-lib.h>
+#include <libcaja-extension/caja-extension-types.h>
+#include <libcaja-extension/caja-file-info.h>
+#include <libcaja-extension/caja-menu-provider.h>
+#include "caja-wallpaper-extension.h"
+
+#define WP_SCHEMA "org.mate.background"
+#define WP_FILE_KEY "picture-filename"
+
+static GObjectClass *parent_class;
+
+static void
+set_wallpaper_callback (CajaMenuItem *item,
+              gpointer          user_data)
+{
+    GList *files;
+    GSettings *settings;
+    GError *err;
+    CajaFileInfo *file;
+    gchar *uri;
+    gchar *filename;
+
+    files = g_object_get_data (G_OBJECT (item), "files");
+    file = files->data;
+
+    uri = caja_file_info_get_uri (file);
+    filename = g_filename_from_uri(uri, NULL, NULL);
+
+    settings = g_settings_new (WP_SCHEMA);
+
+    g_settings_set_string (settings, WP_FILE_KEY, filename);
+
+    g_object_unref (settings);
+    g_free (filename);
+    g_free (uri);
+    
+}
+
+static gboolean
+is_image (CajaFileInfo *file)
+{
+    gchar *mimeType;
+    gboolean isImage;
+    
+    mimeType = caja_file_info_get_mime_type (file);
+    
+    isImage = g_str_has_prefix (caja_file_info_get_mime_type (file), "image/");
+    
+    g_free (mimeType);
+    
+    return isImage; 
+}
+
+
+static GList *
+caja_cwe_get_file_items (CajaMenuProvider *provider,
+                  GtkWidget            *window,
+                  GList                *files)
+{
+    GList    *items = NULL;
+    GList    *scan;
+    gboolean  one_item;
+    CajaMenuItem *item;
+
+    for (scan = files; scan; scan = scan->next) {
+        CajaFileInfo *file = scan->data;
+        gchar            *scheme;
+        gboolean          local;
+
+        scheme = caja_file_info_get_uri_scheme (file);
+        local = strncmp (scheme, "file", 4) == 0;
+        g_free (scheme);
+
+        if (!local)
+            return NULL;
+    }
+
+    one_item = (files != NULL) && (files->next == NULL);
+    if (one_item && is_image ((CajaFileInfo *)files->data) &&
+        !caja_file_info_is_directory ((CajaFileInfo *)files->data)) {
+        item = caja_menu_item_new ("CajaCwe::sendto",
+                           _("Set as wallpaper..."),
+                           _("Set image as the current wallpaper..."),
+                           NULL);
+        g_signal_connect (item, 
+                  "activate",
+                  G_CALLBACK (set_wallpaper_callback),
+                provider);
+        g_object_set_data_full (G_OBJECT (item), 
+                    "files",
+                    caja_file_info_list_copy (files),
+                    (GDestroyNotify) caja_file_info_list_free);
+        items = g_list_append (items, item);
+    }
+    return items;
+}
+
+
+static void 
+caja_cwe_menu_provider_iface_init (CajaMenuProviderIface *iface)
+{
+    iface->get_file_items = caja_cwe_get_file_items;
+}
+
+
+static void 
+caja_cwe_instance_init (CajaCwe *cwe)
+{
+}
+
+
+static void
+caja_cwe_class_init (CajaCweClass *class)
+{
+    parent_class = g_type_class_peek_parent (class);
+}
+
+
+static GType cwe_type = 0;
+
+
+GType
+caja_cwe_get_type (void) 
+{
+    return cwe_type;
+}
+
+
+void
+caja_cwe_register_type (GTypeModule *module)
+{
+    static const GTypeInfo info = {
+        sizeof (CajaCweClass),
+        (GBaseInitFunc) NULL,
+        (GBaseFinalizeFunc) NULL,
+        (GClassInitFunc) caja_cwe_class_init,
+        NULL, 
+        NULL,
+        sizeof (CajaCwe),
+        0,
+        (GInstanceInitFunc) caja_cwe_instance_init,
+    };
+
+    static const GInterfaceInfo menu_provider_iface_info = {
+        (GInterfaceInitFunc) caja_cwe_menu_provider_iface_init,
+        NULL,
+        NULL
+    };
+
+    cwe_type = g_type_module_register_type (module,
+                             G_TYPE_OBJECT,
+                             "CajaCwe",
+                             &info, 0);
+
+    g_type_module_add_interface (module,
+                     cwe_type,
+                     CAJA_TYPE_MENU_PROVIDER,
+                     &menu_provider_iface_info);
+}