[evolution/evolution-3-12] Bug 652132 - Google Tasks support

[Milan Crha <mcrha src gnome org>]

commit 74136ae39fd0db64836e13a01f1c73a1aa1cf759
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 20 11:20:24 2014 +0200

    Bug 652132 - Google Tasks support

 configure.ac                                       |    7 +
 modules/cal-config-google/Makefile.am              |    7 +-
 ...n-cal-config-google.c => e-cal-config-google.c} |   19 +--
 modules/cal-config-google/e-cal-config-gtasks.c    |  146 ++++++++++++++++++++
 .../cal-config-google/module-cal-config-google.c   |   45 ++++++
 .../cal-config-google/module-cal-config-google.h   |   25 ++++
 po/POTFILES.in                                     |    2 +-
 7 files changed, 233 insertions(+), 18 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b335c74..ca69c21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1055,6 +1055,13 @@ PKG_CHECK_MODULES([GDATA], [libgdata >= libgdata_minimum_version])
 AC_SUBST(GDATA_CFLAGS)
 AC_SUBST(GDATA_LIBS)
 
+dnl ***********************************
+dnl GTasks require more latest libgdata
+dnl ***********************************
+if `$PKG_CONFIG --atleast-version=0.15.1 libgdata`; then
+       AC_DEFINE(HAVE_GDATA_0_15_1, 1, [Define to 1 if you have the libgdata package >= 0.15.1])
+fi
+
 dnl ****************************
 dnl Check for ical_set_unknown_token_handling_setting function
 dnl ****************************
diff --git a/modules/cal-config-google/Makefile.am b/modules/cal-config-google/Makefile.am
index b8c380a..037abaf 100644
--- a/modules/cal-config-google/Makefile.am
+++ b/modules/cal-config-google/Makefile.am
@@ -10,13 +10,16 @@ module_cal_config_google_la_CPPFLAGS = \
        $(GDATA_CFLAGS)
 
 module_cal_config_google_la_SOURCES = \
-       evolution-cal-config-google.c                           \
+       e-cal-config-google.c                                   \
+       e-cal-config-gtasks.c                                   \
        e-google-chooser-button.c                               \
        e-google-chooser-button.h                               \
        e-google-chooser-dialog.c                               \
        e-google-chooser-dialog.h                               \
        e-google-chooser.c                                      \
-       e-google-chooser.h
+       e-google-chooser.h                                      \
+       module-cal-config-google.c                              \
+       module-cal-config-google.h
 
 module_cal_config_google_la_LIBADD = \
        $(top_builddir)/e-util/libevolution-util.la             \
diff --git a/modules/cal-config-google/evolution-cal-config-google.c 
b/modules/cal-config-google/e-cal-config-google.c
similarity index 92%
rename from modules/cal-config-google/evolution-cal-config-google.c
rename to modules/cal-config-google/e-cal-config-google.c
index 57c8ee0..9cba60b 100644
--- a/modules/cal-config-google/evolution-cal-config-google.c
+++ b/modules/cal-config-google/e-cal-config-google.c
@@ -1,5 +1,5 @@
 /*
- * evolution-cal-config-google.c
+ * e-cal-config-google.c
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published by
@@ -24,6 +24,7 @@
 
 #include "e-google-chooser-button.h"
 #include "e-google-chooser-dialog.h"
+#include "module-cal-config-google.h"
 
 typedef ESourceConfigBackend ECalConfigGoogle;
 typedef ESourceConfigBackendClass ECalConfigGoogleClass;
@@ -34,10 +35,6 @@ struct _Context {
        GtkWidget *google_button;
 };
 
-/* Module Entry Points */
-void e_module_load (GTypeModule *type_module);
-void e_module_unload (GTypeModule *type_module);
-
 /* Forward Declarations */
 GType e_cal_config_google_get_type (void);
 
@@ -183,16 +180,8 @@ e_cal_config_google_init (ESourceConfigBackend *backend)
 {
 }
 
-G_MODULE_EXPORT void
-e_module_load (GTypeModule *type_module)
+void
+e_cal_config_google_type_register (GTypeModule *type_module)
 {
-       e_google_chooser_type_register (type_module);
-       e_google_chooser_button_type_register (type_module);
-       e_google_chooser_dialog_type_register (type_module);
        e_cal_config_google_register_type (type_module);
 }
-
-G_MODULE_EXPORT void
-e_module_unload (GTypeModule *type_module)
-{
-}
diff --git a/modules/cal-config-google/e-cal-config-gtasks.c b/modules/cal-config-google/e-cal-config-gtasks.c
new file mode 100644
index 0000000..5de0d17
--- /dev/null
+++ b/modules/cal-config-google/e-cal-config-gtasks.c
@@ -0,0 +1,146 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <libebackend/libebackend.h>
+
+#include <e-util/e-util.h>
+
+#include "module-cal-config-google.h"
+
+typedef ESourceConfigBackend ECalConfigGTasks;
+typedef ESourceConfigBackendClass ECalConfigGTasksClass;
+
+/* Forward Declarations */
+GType e_cal_config_gtasks_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (
+       ECalConfigGTasks,
+       e_cal_config_gtasks,
+       E_TYPE_SOURCE_CONFIG_BACKEND)
+
+static gboolean
+cal_config_gtasks_allow_creation (ESourceConfigBackend *backend)
+{
+       ESourceConfig *config;
+       ESourceTaskList *task_list;
+       ESource *source;
+
+       g_return_val_if_fail (E_IS_SOURCE_CONFIG_BACKEND (backend), FALSE);
+
+       config = e_source_config_backend_get_config (backend);
+
+       if (e_cal_source_config_get_source_type (E_CAL_SOURCE_CONFIG (config)) != 
E_CAL_CLIENT_SOURCE_TYPE_TASKS)
+               return FALSE;
+
+       source = e_source_config_get_original_source (config);
+       if (!source || !e_source_has_extension (source, E_SOURCE_EXTENSION_TASK_LIST))
+               return FALSE;
+
+       task_list = e_source_get_extension (source, E_SOURCE_EXTENSION_TASK_LIST);
+       return g_strcmp0 (E_SOURCE_CONFIG_BACKEND_GET_CLASS (backend)->backend_name,
+                         e_source_backend_get_backend_name (E_SOURCE_BACKEND (task_list))) == 0;
+}
+
+static void
+cal_config_gtasks_insert_widgets (ESourceConfigBackend *backend,
+                                  ESource *scratch_source)
+{
+       ESourceConfig *config;
+
+       config = e_source_config_backend_get_config (backend);
+
+       e_source_config_add_user_entry (config, scratch_source);
+       e_source_config_add_refresh_interval (config, scratch_source);
+}
+
+static gboolean
+cal_config_gtasks_check_complete (ESourceConfigBackend *backend,
+                                  ESource *scratch_source)
+{
+       ESourceAuthentication *extension;
+       const gchar *extension_name;
+       const gchar *user;
+
+       extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;
+       extension = e_source_get_extension (scratch_source, extension_name);
+       user = e_source_authentication_get_user (extension);
+
+       return user && *user;
+}
+
+static void
+cal_config_gtasks_commit_changes (ESourceConfigBackend *backend,
+                                 ESource *scratch_source)
+{
+       ESourceAuthentication *extension;
+       const gchar *extension_name;
+       const gchar *user;
+
+       extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;
+       extension = e_source_get_extension (scratch_source, extension_name);
+
+       e_source_authentication_set_host (extension, "www.google.com");
+       e_source_authentication_set_method (extension, "OAuth2");
+
+       user = e_source_authentication_get_user (extension);
+       g_return_if_fail (user != NULL);
+
+       /* A user name without a domain implies '<user>@gmail.com'. */
+       if (strchr (user, '@') == NULL) {
+               gchar *full_user;
+
+               full_user = g_strconcat (user, "@gmail.com", NULL);
+               e_source_authentication_set_user (extension, full_user);
+               g_free (full_user);
+       }
+}
+
+static void
+e_cal_config_gtasks_class_init (ESourceConfigBackendClass *class)
+{
+       EExtensionClass *extension_class;
+
+       extension_class = E_EXTENSION_CLASS (class);
+       extension_class->extensible_type = E_TYPE_CAL_SOURCE_CONFIG;
+
+       class->parent_uid = "google-stub";
+       class->backend_name = "gtasks";
+       class->allow_creation = cal_config_gtasks_allow_creation;
+       class->insert_widgets = cal_config_gtasks_insert_widgets;
+       class->check_complete = cal_config_gtasks_check_complete;
+       class->commit_changes = cal_config_gtasks_commit_changes;
+}
+
+static void
+e_cal_config_gtasks_class_finalize (ESourceConfigBackendClass *class)
+{
+}
+
+static void
+e_cal_config_gtasks_init (ESourceConfigBackend *backend)
+{
+}
+
+void
+e_cal_config_gtasks_type_register (GTypeModule *type_module)
+{
+       e_cal_config_gtasks_register_type (type_module);
+}
diff --git a/modules/cal-config-google/module-cal-config-google.c 
b/modules/cal-config-google/module-cal-config-google.c
new file mode 100644
index 0000000..94dc549
--- /dev/null
+++ b/modules/cal-config-google/module-cal-config-google.c
@@ -0,0 +1,45 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <libebackend/libebackend.h>
+
+#include "e-google-chooser-button.h"
+#include "e-google-chooser-dialog.h"
+#include "module-cal-config-google.h"
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+       e_google_chooser_type_register (type_module);
+       e_google_chooser_button_type_register (type_module);
+       e_google_chooser_dialog_type_register (type_module);
+       e_cal_config_google_type_register (type_module);
+#ifdef HAVE_GDATA_0_15_1
+       e_cal_config_gtasks_type_register (type_module);
+#endif
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}
diff --git a/modules/cal-config-google/module-cal-config-google.h 
b/modules/cal-config-google/module-cal-config-google.h
new file mode 100644
index 0000000..89dc1c1
--- /dev/null
+++ b/modules/cal-config-google/module-cal-config-google.h
@@ -0,0 +1,25 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MODULE_CAL_CONFIG_GOOGLE_H
+#define MODULE_CAL_CONFIG_GOOGLE_H
+
+#include <glib.h>
+#include <libebackend/libebackend.h>
+
+void   e_cal_config_google_type_register       (GTypeModule *type_module);
+void   e_cal_config_gtasks_type_register       (GTypeModule *type_module);
+
+#endif /* MODULE_CAL_CONFIG_GOOGLE_H */
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 4ebaf4a..f9a6615 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -391,7 +391,7 @@ modules/cal-config-contacts/evolution-cal-config-contacts.c
 modules/cal-config-google/e-google-chooser-button.c
 modules/cal-config-google/e-google-chooser.c
 modules/cal-config-google/e-google-chooser-dialog.c
-modules/cal-config-google/evolution-cal-config-google.c
+modules/cal-config-google/e-cal-config-google.c
 modules/cal-config-local/evolution-cal-config-local.c
 modules/cal-config-weather/evolution-cal-config-weather.c
 modules/cal-config-webcal/evolution-cal-config-webcal.c