[gnome-calendar] manager: Move threading functions to utils

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 907b71635b7a5e929f5770c07db1a45b320fdf57
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Apr 26 19:47:24 2019 -0300

    manager: Move threading functions to utils

 src/gcal-manager.c            |  88 ++----------------------------------
 src/meson.build               |   1 +
 src/utils/gcal-thread-utils.c | 101 ++++++++++++++++++++++++++++++++++++++++++
 src/utils/gcal-thread-utils.h |  33 ++++++++++++++
 src/utils/gcal-utils.h        |   1 +
 5 files changed, 139 insertions(+), 85 deletions(-)
---
diff --git a/src/gcal-manager.c b/src/gcal-manager.c
index c3e79bfb..0d782f24 100644
--- a/src/gcal-manager.c
+++ b/src/gcal-manager.c
@@ -115,88 +115,6 @@ enum
 static guint       signals[NUM_SIGNALS] = { 0, };
 static GParamSpec *properties[NUM_PROPS] = { NULL, };
 
-/* -- start: threading related code provided by Milan Crha */
-typedef struct {
-  EThreadJobFunc      func;
-  gpointer            user_data;
-  GDestroyNotify      free_user_data;
-
-  GCancellable       *cancellable;
-  GError             *error;
-} ThreadJobData;
-
-static void
-thread_job_data_free (gpointer ptr)
-{
-  ThreadJobData *tjd = ptr;
-
-  if (tjd != NULL)
-    {
-      /* This should go to UI with more info/description,
-       * if it is not G_IOI_ERROR_CANCELLED */
-      if (tjd->error != NULL && !g_error_matches (tjd->error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
-        g_warning ("Job failed: %s\n", tjd->error->message);
-
-      if (tjd->free_user_data != NULL)
-        tjd->free_user_data (tjd->user_data);
-
-      g_clear_object (&tjd->cancellable);
-      g_clear_error (&tjd->error);
-      g_free (tjd);
-    }
-}
-
-static gpointer
-thread_job_thread (gpointer user_data)
-{
-  ThreadJobData *tjd = user_data;
-
-  g_return_val_if_fail (tjd != NULL, NULL);
-
-  if (tjd->func != NULL)
-    tjd->func (tjd->user_data, tjd->cancellable, &tjd->error);
-
-  thread_job_data_free (tjd);
-
-  return g_thread_self ();
-}
-
-static GCancellable*
-submit_thread_job (EThreadJobFunc func,
-                   gpointer user_data,
-                   GDestroyNotify free_user_data)
-{
-  ThreadJobData *tjd;
-  GThread *thread;
-  GCancellable *cancellable;
-
-  cancellable = g_cancellable_new ();
-
-  tjd = g_new0 (ThreadJobData, 1);
-  tjd->func = func;
-  tjd->user_data = user_data;
-  tjd->free_user_data = free_user_data;
-  /* user should be able to cancel this cancellable somehow */
-  tjd->cancellable = g_object_ref (cancellable);
-  tjd->error = NULL;
-
-  thread = g_thread_try_new (NULL,
-                             thread_job_thread, tjd,
-                             &tjd->error);
-  if (thread != NULL)
-    {
-      g_thread_unref (thread);
-    }
-  else
-    {
-      thread_job_data_free (tjd);
-      g_clear_object (&cancellable);
-    }
-
-  return cancellable;
-}
-/* -- end: threading related code provided by Milan Crha -- */
-
 static void
 free_async_ops_data (AsyncOpsData *data)
 {
@@ -1027,7 +945,7 @@ gcal_manager_setup_shell_search (GcalManager             *self,
   if (self->shell_search_data_model)
     return;
 
-  self->shell_search_data_model = e_cal_data_model_new (submit_thread_job);
+  self->shell_search_data_model = e_cal_data_model_new (gcal_thread_submit_job);
   g_signal_connect_swapped (self->shell_search_data_model,
                             "view-state-changed",
                             G_CALLBACK (model_state_changed),
@@ -1902,8 +1820,8 @@ gcal_manager_startup (GcalManager *self)
   g_signal_connect_swapped (self->source_registry, "source-changed", G_CALLBACK (source_changed), self);
 
   /* create data model */
-  self->e_data_model = e_cal_data_model_new (submit_thread_job);
-  self->search_data_model = e_cal_data_model_new (submit_thread_job);
+  self->e_data_model = e_cal_data_model_new (gcal_thread_submit_job);
+  self->search_data_model = e_cal_data_model_new (gcal_thread_submit_job);
 
   e_cal_data_model_set_expand_recurrences (self->e_data_model, TRUE);
   e_cal_data_model_set_timezone (self->e_data_model, e_cal_util_get_system_timezone ());
diff --git a/src/meson.build b/src/meson.build
index d7ddc6de..eefa81d3 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -22,6 +22,7 @@ gcal_deps = [
 sources = files(
   'search/gcal-search-button.c',
   'utils/gcal-date-time-utils.c',
+  'utils/gcal-thread-utils.c',
   'utils/gcal-utils.c',
   'views/gcal-month-cell.c',
   'views/gcal-month-popover.c',
diff --git a/src/utils/gcal-thread-utils.c b/src/utils/gcal-thread-utils.c
new file mode 100644
index 00000000..2a940ab0
--- /dev/null
+++ b/src/utils/gcal-thread-utils.c
@@ -0,0 +1,101 @@
+/* gcal-thread-utils.c
+ *
+ * Copyright 2019 Georges Basile Stavracas Neto <georges stavracas gmail com>
+ *
+ * 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 3 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "gcal-thread-utils.h"
+
+/* Code kindly provided by Milan Crha */
+
+typedef struct {
+  EThreadJobFunc      func;
+  gpointer            user_data;
+  GDestroyNotify      free_user_data;
+
+  GCancellable       *cancellable;
+  GError             *error;
+} ThreadJobData;
+
+static void
+thread_job_data_free (gpointer ptr)
+{
+  ThreadJobData *tjd = ptr;
+
+  if (tjd != NULL)
+    {
+      /* This should go to UI with more info/description,
+       * if it is not G_IOI_ERROR_CANCELLED */
+      if (tjd->error != NULL && !g_error_matches (tjd->error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("Job failed: %s\n", tjd->error->message);
+
+      if (tjd->free_user_data != NULL)
+        tjd->free_user_data (tjd->user_data);
+
+      g_clear_object (&tjd->cancellable);
+      g_clear_error (&tjd->error);
+      g_free (tjd);
+    }
+}
+
+static gpointer
+thread_job_thread (gpointer user_data)
+{
+  ThreadJobData *tjd = user_data;
+
+  g_return_val_if_fail (tjd != NULL, NULL);
+
+  if (tjd->func != NULL)
+    tjd->func (tjd->user_data, tjd->cancellable, &tjd->error);
+
+  thread_job_data_free (tjd);
+
+  return g_thread_self ();
+}
+
+GCancellable*
+gcal_thread_submit_job (EThreadJobFunc func,
+                        gpointer       user_data,
+                        GDestroyNotify free_user_data)
+{
+  ThreadJobData *tjd;
+  GThread *thread;
+  GCancellable *cancellable;
+
+  cancellable = g_cancellable_new ();
+
+  tjd = g_new0 (ThreadJobData, 1);
+  tjd->func = func;
+  tjd->user_data = user_data;
+  tjd->free_user_data = free_user_data;
+  /* user should be able to cancel this cancellable somehow */
+  tjd->cancellable = g_object_ref (cancellable);
+  tjd->error = NULL;
+
+  thread = g_thread_try_new (NULL, thread_job_thread, tjd, &tjd->error);
+  if (thread != NULL)
+    {
+      g_thread_unref (thread);
+    }
+  else
+    {
+      thread_job_data_free (tjd);
+      g_clear_object (&cancellable);
+    }
+
+  return cancellable;
+}
diff --git a/src/utils/gcal-thread-utils.h b/src/utils/gcal-thread-utils.h
new file mode 100644
index 00000000..646b7885
--- /dev/null
+++ b/src/utils/gcal-thread-utils.h
@@ -0,0 +1,33 @@
+/* gcal-thread-utils.h
+ *
+ * Copyright 2019 Georges Basile Stavracas Neto <georges stavracas gmail com>
+ *
+ * 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 3 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include "e-cal-data-model.h"
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+GCancellable*        gcal_thread_submit_job                      (EThreadJobFunc     func,
+                                                                  gpointer           user_data,
+                                                                  GDestroyNotify     free_user_data);
+
+G_END_DECLS
diff --git a/src/utils/gcal-utils.h b/src/utils/gcal-utils.h
index fb831430..5f8427bf 100644
--- a/src/utils/gcal-utils.h
+++ b/src/utils/gcal-utils.h
@@ -20,6 +20,7 @@
 #define __GCAL_UTILS_H__
 
 #include "gcal-date-time-utils.h"
+#include "gcal-thread-utils.h"
 #include "gcal-manager.h"
 
 #include <gtk/gtk.h>