[gnome-photos/wip/foo: 5/13] Add PhotosCreateCollectionJob



commit b3509d77ca9df5ba1ba8bc0ad2f8ddbb4508c21a
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Mar 29 01:23:24 2013 +0100

    Add PhotosCreateCollectionJob

 src/Makefile.am                    |    2 +
 src/photos-create-collection-job.c |  213 ++++++++++++++++++++++++++++++++++++
 src/photos-create-collection-job.h |   81 ++++++++++++++
 3 files changed, 296 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index ddcc861..4662699 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -60,6 +60,8 @@ gnome_photos_SOURCES = \
        photos-base-item.h \
        photos-collection-manager.c \
        photos-collection-manager.h \
+       photos-create-collection-job.c \
+       photos-create-collection-job.h \
        photos-embed.c \
        photos-embed.h \
        photos-empty-results-box.c \
diff --git a/src/photos-create-collection-job.c b/src/photos-create-collection-job.c
new file mode 100644
index 0000000..3b84592
--- /dev/null
+++ b/src/photos-create-collection-job.c
@@ -0,0 +1,213 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2013 Red Hat, Inc.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+
+#include "config.h"
+
+#include <glib.h>
+#include <tracker-sparql.h>
+
+#include "photos-create-collection-job.h"
+#include "photos-query.h"
+#include "photos-query-builder.h"
+#include "photos-tracker-queue.h"
+
+
+struct _PhotosCreateCollectionJobPrivate
+{
+  PhotosCreateCollectionJobCallback callback;
+  PhotosTrackerQueue *queue;
+  const gchar *created_urn;
+  gchar *name;
+  gpointer user_data;
+};
+
+enum
+{
+  PROP_0,
+  PROP_NAME
+};
+
+
+G_DEFINE_TYPE (PhotosCreateCollectionJob, photos_create_collection_job, G_TYPE_OBJECT);
+
+
+static void
+photos_create_collection_job_query_executed (GObject *source_object, GAsyncResult *res, gpointer user_data)
+{
+  PhotosCreateCollectionJob *self = PHOTOS_CREATE_COLLECTION_JOB (user_data);
+  PhotosCreateCollectionJobPrivate *priv = self->priv;
+  TrackerSparqlConnection *connection = TRACKER_SPARQL_CONNECTION (source_object);
+  GError *error;
+  GVariant *variant;
+  GVariant *child;
+  gchar *key = NULL;
+  gchar *val = NULL;
+
+  error = NULL;
+  variant = tracker_sparql_connection_update_blank_finish (connection, res, &error);
+  if (error != NULL)
+    {
+      g_warning ("Unable to create collection: %s", error->message);
+      g_error_free (error);
+      goto out;
+    }
+
+  child = g_variant_get_child_value (variant, 0); /* variant is now aa{ss} */
+  g_variant_unref (variant);
+  variant = child;
+
+  child = g_variant_get_child_value (variant, 0); /* variant is now s{ss} */
+  g_variant_unref (variant);
+  variant = child;
+
+  child = g_variant_get_child_value (variant, 0); /* variant is now {ss} */
+  g_variant_unref (variant);
+  variant = child;
+
+  child = g_variant_get_child_value (variant, 0);
+  key = g_variant_dup_string (child, NULL);
+  g_variant_unref (child);
+
+  child = g_variant_get_child_value (variant, 1);
+  val = g_variant_dup_string (child, NULL);
+  g_variant_unref (child);
+
+  g_variant_unref (variant);
+
+  if (g_strcmp0 (key, "res") == 0)
+    priv->created_urn = val;
+
+ out:
+  if (priv->callback != NULL)
+    (*priv->callback) (priv->created_urn, priv->user_data);
+
+  priv->created_urn = NULL;
+  g_free (val);
+  g_free (key);
+}
+
+
+static void
+photos_create_collection_job_dispose (GObject *object)
+{
+  PhotosCreateCollectionJob *self = PHOTOS_CREATE_COLLECTION_JOB (object);
+
+  g_clear_object (&self->priv->queue);
+
+  G_OBJECT_CLASS (photos_create_collection_job_parent_class)->dispose (object);
+}
+
+
+static void
+photos_create_collection_job_finalize (GObject *object)
+{
+  PhotosCreateCollectionJob *self = PHOTOS_CREATE_COLLECTION_JOB (object);
+
+  g_free (self->priv->name);
+
+  G_OBJECT_CLASS (photos_create_collection_job_parent_class)->finalize (object);
+}
+
+
+static void
+photos_create_collection_job_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec 
*pspec)
+{
+  PhotosCreateCollectionJob *self = PHOTOS_CREATE_COLLECTION_JOB (object);
+
+  switch (prop_id)
+    {
+    case PROP_NAME:
+      self->priv->name = g_value_dup_string (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+
+static void
+photos_create_collection_job_init (PhotosCreateCollectionJob *self)
+{
+  PhotosCreateCollectionJobPrivate *priv;
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                            PHOTOS_TYPE_CREATE_COLLECTION_JOB,
+                                            PhotosCreateCollectionJobPrivate);
+  priv = self->priv;
+
+  priv->queue = photos_tracker_queue_new ();
+}
+
+
+static void
+photos_create_collection_job_class_init (PhotosCreateCollectionJobClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->dispose = photos_create_collection_job_dispose;
+  object_class->finalize = photos_create_collection_job_finalize;
+  object_class->set_property = photos_create_collection_job_set_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_NAME,
+                                   g_param_spec_string ("name",
+                                                        "Name",
+                                                        "The name of the collection to be created",
+                                                        NULL,
+                                                        G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
+
+  g_type_class_add_private (class, sizeof (PhotosCreateCollectionJobPrivate));
+}
+
+
+PhotosCreateCollectionJob *
+photos_create_collection_job_new (const gchar *name)
+{
+  return g_object_new (PHOTOS_TYPE_CREATE_COLLECTION_JOB, "name", name, NULL);
+}
+
+
+void
+photos_create_collection_job_run (PhotosCreateCollectionJob *self,
+                                  PhotosCreateCollectionJobCallback callback,
+                                  gpointer user_data)
+{
+  PhotosCreateCollectionJobPrivate *priv = self->priv;
+  PhotosQuery *query;
+
+  priv->callback = callback;
+  priv->user_data = user_data;
+
+  query = photos_query_builder_create_collection_query (priv->name);
+  photos_tracker_queue_update_blank (priv->queue,
+                                     query->sparql,
+                                     NULL,
+                                     photos_create_collection_job_query_executed,
+                                     g_object_ref (self),
+                                     g_object_unref);
+  photos_query_free (query);
+}
diff --git a/src/photos-create-collection-job.h b/src/photos-create-collection-job.h
new file mode 100644
index 0000000..5327b2a
--- /dev/null
+++ b/src/photos-create-collection-job.h
@@ -0,0 +1,81 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2013 Red Hat, Inc.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+#ifndef PHOTOS_CREATE_COLLECTION_JOB_H
+#define PHOTOS_CREATE_COLLECTION_JOB_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_CREATE_COLLECTION_JOB (photos_create_collection_job_get_type ())
+
+#define PHOTOS_CREATE_COLLECTION_JOB(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+   PHOTOS_TYPE_CREATE_COLLECTION_JOB, PhotosCreateCollectionJob))
+
+#define PHOTOS_CREATE_COLLECTION_JOB_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+   PHOTOS_TYPE_CREATE_COLLECTION_JOB, PhotosCreateCollectionJobClass))
+
+#define PHOTOS_IS_CREATE_COLLECTION_JOB(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+   PHOTOS_TYPE_CREATE_COLLECTION_JOB))
+
+#define PHOTOS_IS_CREATE_COLLECTION_JOB_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+   PHOTOS_TYPE_CREATE_COLLECTION_JOB))
+
+#define PHOTOS_CREATE_COLLECTION_JOB_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+   PHOTOS_TYPE_CREATE_COLLECTION_JOB, PhotosCreateCollectionJobClass))
+
+typedef void (*PhotosCreateCollectionJobCallback) (const gchar *, gpointer);
+
+typedef struct _PhotosCreateCollectionJob        PhotosCreateCollectionJob;
+typedef struct _PhotosCreateCollectionJobClass   PhotosCreateCollectionJobClass;
+typedef struct _PhotosCreateCollectionJobPrivate PhotosCreateCollectionJobPrivate;
+
+struct _PhotosCreateCollectionJob
+{
+  GObject parent_instance;
+  PhotosCreateCollectionJobPrivate *priv;
+};
+
+struct _PhotosCreateCollectionJobClass
+{
+  GObjectClass parent_class;
+};
+
+GType                       photos_create_collection_job_get_type    (void) G_GNUC_CONST;
+
+PhotosCreateCollectionJob  *photos_create_collection_job_new         (const gchar *name);
+
+void                        photos_create_collection_job_run         (PhotosCreateCollectionJob *self,
+                                                                      PhotosCreateCollectionJobCallback 
callback,
+                                                                      gpointer user_data);
+
+G_END_DECLS
+
+#endif /* PHOTOS_CREATE_COLLECTION_JOB_H */


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