1 files changed, 127 insertions, 0 deletions
diff --git a/extensions/image-properties/nautilus-image-properties-model-provider.c b/extensions/image-properties/nautilus-image-properties-model-provider.c
new file mode 100644
index 0000000..c64178f
--- /dev/null
+++ b/extensions/image-properties/nautilus-image-properties-model-provider.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 2004 Red Hat, Inc
+ * Copyright (c) 2007 Novell, Inc.
+ * Copyright (c) 2017 Thomas Bechtold <thomasbechtold@jpberlin.de>
+ * Copyright (c) 2018 Ernestas Kulik <ernestask@gnome.org>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Alexander Larsson <alexl@redhat.com>
+ * XMP support by Hubert Figuiere <hfiguiere@novell.com>
+ */
+
+#include "nautilus-image-properties-model-provider.h"
+
+#include "nautilus-image-properties-model.h"
+
+#include <nautilus-extension.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+struct _NautilusImagesPropertiesModelProvider
+{
+    GObject parent_instance;
+};
+
+static void properties_group_provider_iface_init (NautilusPropertiesModelProviderInterface *iface);
+
+G_DEFINE_DYNAMIC_TYPE_EXTENDED (NautilusImagesPropertiesModelProvider,
+                                nautilus_image_properties_model_provider,
+                                G_TYPE_OBJECT,
+                                0,
+                                G_IMPLEMENT_INTERFACE_DYNAMIC (NAUTILUS_TYPE_PROPERTIES_MODEL_PROVIDER,
+                                                               properties_group_provider_iface_init))
+
+static gboolean
+is_mime_type_supported (const char *mime_type)
+{
+    g_autoptr (GSList) formats = NULL;
+
+    if (mime_type == NULL)
+    {
+        return FALSE;
+    }
+
+    formats = gdk_pixbuf_get_formats ();
+
+    for (GSList *l = formats; l != NULL; l = l->next)
+    {
+        g_auto (GStrv) mime_types = NULL;
+
+        mime_types = gdk_pixbuf_format_get_mime_types (l->data);
+        if (mime_types == NULL)
+        {
+            continue;
+        }
+
+        if (g_strv_contains ((const char * const *) mime_types, mime_type))
+        {
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+static GList *
+get_models (NautilusPropertiesModelProvider *provider,
+            GList                           *files)
+{
+    NautilusFileInfo *file_info;
+    g_autofree char *mime_type = NULL;
+    NautilusPropertiesModel *properties_group;
+
+    if (files == NULL || files->next != NULL)
+    {
+        return NULL;
+    }
+
+    file_info = NAUTILUS_FILE_INFO (files->data);
+    mime_type = nautilus_file_info_get_mime_type (file_info);
+    if (!is_mime_type_supported (mime_type))
+    {
+        return NULL;
+    }
+    properties_group = nautilus_image_properties_model_new (file_info);
+
+    return g_list_prepend (NULL, properties_group);
+}
+
+static void
+properties_group_provider_iface_init (NautilusPropertiesModelProviderInterface *iface)
+{
+    iface->get_models = get_models;
+}
+
+static void
+nautilus_image_properties_model_provider_init (NautilusImagesPropertiesModelProvider *self)
+{
+    (void) self;
+}
+
+static void
+nautilus_image_properties_model_provider_class_init (NautilusImagesPropertiesModelProviderClass *klass)
+{
+    (void) klass;
+}
+
+static void
+nautilus_image_properties_model_provider_class_finalize (NautilusImagesPropertiesModelProviderClass *klass)
+{
+    (void) klass;
+}
+
+void
+nautilus_image_properties_model_provider_load (GTypeModule *module)
+{
+    nautilus_image_properties_model_provider_register_type (module);
+}