[nautilus/wip/ernestask/tasks: 21/27] Add task batch class

[Ernestas Kulik <ernestask src gnome org>]

commit 13db90e10e69bc2b528d6534436bbb5791b258c9
Author: Ernestas Kulik <ernestask gnome org>
Date:   Sat Jul 1 14:37:08 2017 +0300

    Add task batch class

 src/meson.build           |    2 +
 src/nautilus-task-batch.c |   99 +++++++++++++++++++++++++++++++++++++++++++++
 src/nautilus-task-batch.h |   35 ++++++++++++++++
 3 files changed, 136 insertions(+), 0 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index ff109b8..ec814f6 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -281,6 +281,8 @@ libnautilus_sources = [
     'tasks/nautilus-attribute-task.h',
 #    'tasks/nautilus-info-attribute-task.c',
 #    'tasks/nautilus-info-attribute-task.h'
+    'nautilus-task-batch.c',
+    'nautilus-task-batch.h'
 ]
 
 nautilus_deps = [glib,
diff --git a/src/nautilus-task-batch.c b/src/nautilus-task-batch.c
new file mode 100644
index 0000000..8a7d9db
--- /dev/null
+++ b/src/nautilus-task-batch.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 2017 Ernestas Kulik <ernestask gnome org>
+ *
+ * This file is part of Nautilus.
+ *
+ * Nautilus 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.
+ *
+ * Nautilus 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 Nautilus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "nautilus-task-batch.h"
+
+#include "nautilus-task.h"
+
+struct _NautilusTaskBatch
+{
+    GObject parent_instance;
+
+    GList *tasks;
+};
+
+G_DEFINE_TYPE (NautilusTaskBatch, nautilus_task_batch,
+               NAUTILUS_TYPE_TASK)
+
+static void
+finalize (GObject *object)
+{
+    NautilusTaskBatch *self;
+
+    self = NAUTILUS_TASK_BATCH (object);
+
+    g_list_free_full (self->tasks, (GDestroyNotify) g_object_unref);
+    self->tasks = NULL;
+
+    G_OBJECT_CLASS (nautilus_task_batch_parent_class)->finalize (object);
+}
+
+static void
+execute (NautilusTask *task)
+{
+    NautilusTaskBatch *self;
+
+    self = NAUTILUS_TASK_BATCH (task);
+
+    if (self->tasks == NULL)
+    {
+        return;
+    }
+
+    for (GList *i = g_list_reverse (self->tasks); i != NULL; i = i->next)
+    {
+        nautilus_task_execute (NAUTILUS_TASK (i->data));
+    }
+}
+
+static void
+nautilus_task_batch_class_init (NautilusTaskBatchClass *klass)
+{
+    GObjectClass *object_class;
+    NautilusTaskClass *task_class;
+
+    object_class = G_OBJECT_CLASS (klass);
+    task_class = NAUTILUS_TASK_CLASS (klass);
+
+    object_class->finalize = finalize;
+
+    task_class->execute = execute;
+}
+
+static void
+nautilus_task_batch_init (NautilusTaskBatch *self)
+{
+    self->tasks = NULL;
+}
+
+void
+nautilus_task_batch_add_task (NautilusTaskBatch *batch,
+                              NautilusTask      *task)
+{
+    g_return_if_fail (NAUTILUS_IS_TASK_BATCH (batch));
+
+    batch->tasks = g_list_prepend (batch->tasks, g_object_ref (task));
+}
+
+NautilusTask *
+nautilus_task_batch_new (GCancellable *cancellable)
+{
+    return g_object_new (NAUTILUS_TYPE_TASK_BATCH,
+                         "cancellable", cancellable,
+                         NULL);
+}
diff --git a/src/nautilus-task-batch.h b/src/nautilus-task-batch.h
new file mode 100644
index 0000000..c18551e
--- /dev/null
+++ b/src/nautilus-task-batch.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2017 Ernestas Kulik <ernestask gnome org>
+ *
+ * This file is part of Nautilus.
+ *
+ * Nautilus 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.
+ *
+ * Nautilus 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 Nautilus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NAUTILUS_TASK_BATCH_H
+#define NAUTILUS_TASK_BATCH_H
+
+#include "nautilus-task.h"
+
+#define NAUTILUS_TYPE_TASK_BATCH (nautilus_task_get_type ())
+
+G_DECLARE_FINAL_TYPE (NautilusTaskBatch, nautilus_task_batch,
+                      NAUTILUS, TASK_BATCH,
+                      NautilusTask)
+
+void nautilus_task_batch_add_task (NautilusTaskBatch *batch,
+                                   NautilusTask      *task);
+
+NautilusTask *nautilus_task_batch_new (GCancellable *cancellable);
+
+#endif