[nautilus/wip/ernestask/tasks: 2/7] Add task manager

[Ernestas Kulik <ernestask src gnome org>]

commit 57b9e2a6d8972579bbb3df399ad67b4be56f0d19
Author: Ernestas Kulik <ernestask gnome org>
Date:   Thu May 11 16:29:20 2017 +0300

    Add task manager

 src/meson.build             |    2 +
 src/nautilus-task-manager.c |   66 +++++++++++++++++++++++++++++++++++++++++++
 src/nautilus-task-manager.h |   20 +++++++++++++
 3 files changed, 88 insertions(+), 0 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index 5f4b22b..9c31ffd 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -258,6 +258,8 @@ libnautilus_sources = [
     'nautilus-file-undo-manager.h',
     'nautilus-task.c',
     'nautilus-task.h',
+    'nautilus-task-manager.c',
+    'nautilus-task-manager.h'
 ]
 
 if get_option ('enable-tracker')
diff --git a/src/nautilus-task-manager.c b/src/nautilus-task-manager.c
new file mode 100644
index 0000000..f3e383a
--- /dev/null
+++ b/src/nautilus-task-manager.c
@@ -0,0 +1,66 @@
+#include "nautilus-task-manager.h"
+
+struct _NautilusTaskManager
+{
+    GObject parent_instance;
+};
+
+G_DEFINE_TYPE (NautilusTaskManager, nautilus_task_manager, G_TYPE_OBJECT)
+
+static NautilusTaskManager *instance = NULL;
+
+static GObject *
+constructor (GType                  type,
+             guint                  n_construct_properties,
+             GObjectConstructParam *construct_properties)
+{
+    static GMutex mutex;
+    GObjectClass *parent_class;
+
+    g_mutex_lock (&mutex);
+
+    if (instance != NULL)
+    {
+        return g_object_ref (instance);
+    }
+
+    parent_class = G_OBJECT_CLASS (nautilus_task_manager_parent_class);
+    instance = NAUTILUS_TASK_MANAGER (parent_class->constructor (type,
+                                                                 n_construct_properties,
+                                                                 construct_properties));
+
+    g_object_add_weak_pointer (G_OBJECT (instance), (gpointer *) &instance);
+
+    g_mutex_unlock (&mutex);
+
+    return G_OBJECT (instance);
+}
+
+static void
+nautilus_task_manager_init (NautilusTaskManager *self)
+{
+}
+
+static void
+nautilus_task_manager_class_init (NautilusTaskManagerClass *klass)
+{
+    GObjectClass *object_class;
+
+    object_class = G_OBJECT_CLASS (klass);
+
+    object_class->constructor = constructor;
+}
+
+void
+nautilus_task_manager_queue_task (NautilusTask        *task,
+                                  GAsyncReadyCallback  callback,
+                                  gpointer             user_data)
+{
+}
+
+NautilusTaskManager *
+nautilus_task_manager_dup_singleton (void)
+{
+    return g_object_new (NAUTILUS_TYPE_TASK_MANAGER, NULL);
+}
+
diff --git a/src/nautilus-task-manager.h b/src/nautilus-task-manager.h
new file mode 100644
index 0000000..7fa5ce3
--- /dev/null
+++ b/src/nautilus-task-manager.h
@@ -0,0 +1,20 @@
+#ifndef NAUTILUS_TASK_MANAGER_H
+#define NAUTILUS_TASK_MANAGER_H
+
+#include "nautilus-task.h"
+
+#include <glib-object.h>
+
+#define NAUTILUS_TYPE_TASK_MANAGER (nautilus_task_manager_get_type ())
+
+G_DECLARE_FINAL_TYPE (NautilusTaskManager, nautilus_task_manager,
+                      NAUTILUS, TASK_MANAGER,
+                      GObject)
+
+void nautilus_task_manager_queue_task (NautilusTask        *task,
+                                       GAsyncReadyCallback  callback,
+                                       gpointer             user_data);
+
+NautilusTaskManager *nautilus_task_manager_dup_singleton (void);
+
+#endif