[gnome-photos/wip/foo: 9/13] Add PhotosSetCollectionJob

[Debarshi Ray <debarshir src gnome org>]

commit de1c4e1c3992af642d1f0cce3b728cb2b7ae5bdc
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Mar 29 17:34:37 2013 +0100

    Add PhotosSetCollectionJob

 src/Makefile.am                 |    2 +
 src/photos-set-collection-job.c |  242 +++++++++++++++++++++++++++++++++++++++
 src/photos-set-collection-job.h |   81 +++++++++++++
 3 files changed, 325 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index e7e6de6..e40942d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -122,6 +122,8 @@ gnome_photos_SOURCES = \
        photos-selection-controller.h \
        photos-selection-toolbar.c \
        photos-selection-toolbar.h \
+       photos-set-collection-job.c \
+       photos-set-collection-job.h \
        photos-settings.c \
        photos-settings.h \
        photos-single-item-job.c \
diff --git a/src/photos-set-collection-job.c b/src/photos-set-collection-job.c
new file mode 100644
index 0000000..a5adfb7
--- /dev/null
+++ b/src/photos-set-collection-job.c
@@ -0,0 +1,242 @@
+/*
+ * 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-query.h"
+#include "photos-query-builder.h"
+#include "photos-selection-controller.h"
+#include "photos-set-collection-job.h"
+#include "photos-tracker-queue.h"
+#include "photos-update-mtime-job.h"
+
+
+struct _PhotosSetCollectionJobPrivate
+{
+  PhotosSelectionController *sel_cntrlr;
+  PhotosSetCollectionJobCallback callback;
+  PhotosTrackerQueue *queue;
+  gboolean setting;
+  gchar *collection_urn;
+  gint running_jobs;
+  gpointer user_data;
+};
+
+enum
+{
+  PROP_0,
+  PROP_COLLECTION_URN,
+  PROP_SETTING
+};
+
+
+G_DEFINE_TYPE (PhotosSetCollectionJob, photos_set_collection_job, G_TYPE_OBJECT);
+
+
+static void
+photos_set_collection_job_update_mtime (gpointer user_data)
+{
+  PhotosSetCollectionJob *self = PHOTOS_SET_COLLECTION_JOB (user_data);
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+
+  if (priv->callback != NULL)
+    (*priv->callback) (priv->user_data);
+
+  g_object_unref (self);
+}
+
+
+static void
+photos_set_collection_job_job_collector (PhotosSetCollectionJob *self)
+{
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+
+  priv->running_jobs--;
+  if (priv->running_jobs == 0)
+    {
+      PhotosUpdateMtimeJob *job;
+
+      job = photos_update_mtime_job_new (priv->collection_urn);
+      photos_update_mtime_job_run (job, photos_set_collection_job_update_mtime, g_object_ref (self));
+      g_object_unref (job);
+    }
+}
+
+
+static void
+photos_set_collection_job_query_executed (GObject *source_object, GAsyncResult *res, gpointer user_data)
+{
+  PhotosSetCollectionJob *self = PHOTOS_SET_COLLECTION_JOB (user_data);
+  TrackerSparqlConnection *connection = TRACKER_SPARQL_CONNECTION (source_object);
+  GError *error;
+
+  error = NULL;
+  tracker_sparql_connection_update_finish (connection, res, &error);
+  if (error != NULL)
+    {
+      g_warning ("Unable to add item to collection: %s", error->message);
+      g_error_free (error);
+      return;
+    }
+
+  photos_set_collection_job_job_collector (self);
+}
+
+
+static void
+photos_set_collection_job_dispose (GObject *object)
+{
+  PhotosSetCollectionJob *self = PHOTOS_SET_COLLECTION_JOB (object);
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+
+  g_clear_object (&priv->sel_cntrlr);
+  g_clear_object (&priv->queue);
+
+  G_OBJECT_CLASS (photos_set_collection_job_parent_class)->dispose (object);
+}
+
+
+static void
+photos_set_collection_job_finalize (GObject *object)
+{
+  PhotosSetCollectionJob *self = PHOTOS_SET_COLLECTION_JOB (object);
+
+  g_free (self->priv->collection_urn);
+
+  G_OBJECT_CLASS (photos_set_collection_job_parent_class)->finalize (object);
+}
+
+
+static void
+photos_set_collection_job_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec 
*pspec)
+{
+  PhotosSetCollectionJob *self = PHOTOS_SET_COLLECTION_JOB (object);
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+
+  switch (prop_id)
+    {
+    case PROP_COLLECTION_URN:
+      priv->collection_urn = g_value_dup_string (value);
+      break;
+
+    case PROP_SETTING:
+      priv->setting = g_value_get_boolean (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+
+static void
+photos_set_collection_job_init (PhotosSetCollectionJob *self)
+{
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, PHOTOS_TYPE_SET_COLLECTION_JOB, 
PhotosSetCollectionJobPrivate);
+  priv = self->priv;
+
+  priv->sel_cntrlr = photos_selection_controller_new ();
+  priv->queue = photos_tracker_queue_new ();
+}
+
+
+static void
+photos_set_collection_job_class_init (PhotosSetCollectionJobClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->dispose = photos_set_collection_job_dispose;
+  object_class->finalize = photos_set_collection_job_finalize;
+  object_class->set_property = photos_set_collection_job_set_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_COLLECTION_URN,
+                                   g_param_spec_string ("collection-urn",
+                                                        "Uniform Resource Name",
+                                                        "An unique ID associated with this collection",
+                                                        NULL,
+                                                        G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
+
+  g_object_class_install_property (object_class,
+                                   PROP_SETTING,
+                                   g_param_spec_boolean ("setting",
+                                                         "Insert or delete",
+                                                         "Whether to insert or delete an item from this "
+                                                         "collection",
+                                                         FALSE,
+                                                         G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
+
+  g_type_class_add_private (class, sizeof (PhotosSetCollectionJobPrivate));
+}
+
+
+PhotosSetCollectionJob *
+photos_set_collection_job_new (const gchar *collection_urn, gboolean setting)
+{
+  return g_object_new (PHOTOS_TYPE_SET_COLLECTION_JOB,
+                       "collection-urn", collection_urn,
+                       "setting", setting,
+                       NULL);
+}
+
+
+void
+photos_set_collection_job_run (PhotosSetCollectionJob *self,
+                               PhotosSetCollectionJobCallback callback,
+                               gpointer user_data)
+{
+  PhotosSetCollectionJobPrivate *priv = self->priv;
+  GList *l;
+  GList *urns;
+
+  priv->callback = callback;
+  priv->user_data = user_data;
+
+  urns = photos_selection_controller_get_selection (priv->sel_cntrlr);
+  for (l = urns; l != NULL; l = l->next)
+    {
+      PhotosQuery *query;
+      const gchar *urn = (gchar *) l->data;
+
+      if (g_strcmp0 (priv->collection_urn, urn) == 0)
+        continue;
+
+      priv->running_jobs++;
+      query = photos_query_builder_set_collection_query (urn, priv->collection_urn, priv->setting);
+      photos_tracker_queue_update (priv->queue,
+                                   query->sparql,
+                                   NULL,
+                                   photos_set_collection_job_query_executed,
+                                   g_object_ref (self),
+                                   g_object_unref);
+      photos_query_free (query);
+    }
+}
diff --git a/src/photos-set-collection-job.h b/src/photos-set-collection-job.h
new file mode 100644
index 0000000..b16fec9
--- /dev/null
+++ b/src/photos-set-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_SET_COLLECTION_JOB_H
+#define PHOTOS_SET_COLLECTION_JOB_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_SET_COLLECTION_JOB (photos_set_collection_job_get_type ())
+
+#define PHOTOS_SET_COLLECTION_JOB(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+   PHOTOS_TYPE_SET_COLLECTION_JOB, PhotosSetCollectionJob))
+
+#define PHOTOS_SET_COLLECTION_JOB_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+   PHOTOS_TYPE_SET_COLLECTION_JOB, PhotosSetCollectionJobClass))
+
+#define PHOTOS_IS_SET_COLLECTION_JOB(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+   PHOTOS_TYPE_SET_COLLECTION_JOB))
+
+#define PHOTOS_IS_SET_COLLECTION_JOB_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+   PHOTOS_TYPE_SET_COLLECTION_JOB))
+
+#define PHOTOS_SET_COLLECTION_JOB_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+   PHOTOS_TYPE_SET_COLLECTION_JOB, PhotosSetCollectionJobClass))
+
+typedef void (*PhotosSetCollectionJobCallback) (gpointer);
+
+typedef struct _PhotosSetCollectionJob        PhotosSetCollectionJob;
+typedef struct _PhotosSetCollectionJobClass   PhotosSetCollectionJobClass;
+typedef struct _PhotosSetCollectionJobPrivate PhotosSetCollectionJobPrivate;
+
+struct _PhotosSetCollectionJob
+{
+  GObject parent_instance;
+  PhotosSetCollectionJobPrivate *priv;
+};
+
+struct _PhotosSetCollectionJobClass
+{
+  GObjectClass parent_class;
+};
+
+GType                     photos_set_collection_job_get_type    (void) G_GNUC_CONST;
+
+PhotosSetCollectionJob   *photos_set_collection_job_new         (const gchar *collection_urn, gboolean 
setting);
+
+void                      photos_set_collection_job_run         (PhotosSetCollectionJob *self,
+                                                                 PhotosSetCollectionJobCallback callback,
+                                                                 gpointer user_data);
+
+G_END_DECLS
+
+#endif /* PHOTOS_SET_COLLECTION_JOB_H */