[gnome-photos/wip/rishi/share-point: 12/18] Add PhotosSharePointGoogle

[Debarshi Ray <debarshir src gnome org>]

commit b9e13ca499c3e5db04a50406e6e50173867e367b
Author: Umang Jain <mailumangjain gmail com>
Date:   Fri Jul 15 18:42:40 2016 +0530

    Add PhotosSharePointGoogle
    
    https://bugzilla.gnome.org/show_bug.cgi?id=751181

 src/Makefile.am                 |    2 +
 src/photos-share-point-google.c |  269 +++++++++++++++++++++++++++++++++++++++
 src/photos-share-point-google.h |   37 ++++++
 src/photos-utils.c              |    3 +
 4 files changed, 311 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index a720a32..de792f3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -204,6 +204,8 @@ gnome_photos_SOURCES = \
        photos-settings.h \
        photos-share-point.c \
        photos-share-point.h \
+       photos-share-point-google.c \
+       photos-share-point-google.h \
        photos-share-point-manager.c \
        photos-share-point-manager.h \
        photos-share-point-online.c \
diff --git a/src/photos-share-point-google.c b/src/photos-share-point-google.c
new file mode 100644
index 0000000..eb6edcf
--- /dev/null
+++ b/src/photos-share-point-google.c
@@ -0,0 +1,269 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2016 Umang Jain
+ *
+ * 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.
+ */
+
+
+#include "config.h"
+
+#include <gio/gio.h>
+#include <gdata/gdata.h>
+
+#include "photos-base-item.h"
+#include "photos-share-point-google.h"
+#include "photos-source.h"
+#include "photos-utils.h"
+
+
+struct _PhotosSharePointGoogle
+{
+  PhotosSharePointOnline parent_instance;
+  GDataGoaAuthorizer *authorizer;
+  GDataPicasaWebService *service;
+};
+
+
+G_DEFINE_TYPE_WITH_CODE (PhotosSharePointGoogle, photos_share_point_google, PHOTOS_TYPE_SHARE_POINT_ONLINE,
+                         photos_utils_ensure_extension_points ();
+                         g_io_extension_point_implement (PHOTOS_SHARE_POINT_ONLINE_EXTENSION_POINT_NAME,
+                                                         g_define_type_id,
+                                                         "google",
+                                                         0));
+
+
+typedef struct _PhotosSharePointGoogleShareData PhotosSharePointGoogleShareData;
+
+struct _PhotosSharePointGoogleShareData
+{
+  GDataUploadStream *stream;
+  PhotosBaseItem *item;
+};
+
+
+static PhotosSharePointGoogleShareData *
+photos_share_point_google_share_data_new (PhotosBaseItem *item)
+{
+  PhotosSharePointGoogleShareData *data;
+
+  data = g_slice_new0 (PhotosSharePointGoogleShareData);
+  data->item = g_object_ref (item);
+
+  return data;
+}
+
+
+static void
+photos_share_point_google_share_data_free (PhotosSharePointGoogleShareData *data)
+{
+  g_clear_object (&data->stream);
+  g_clear_object (&data->item);
+  g_slice_free (PhotosSharePointGoogleShareData, data);
+}
+
+
+static void
+photos_share_point_google_share_save_to_stream (GObject *source_object, GAsyncResult *res, gpointer 
user_data)
+{
+  PhotosSharePointGoogle *self;
+  GError *error;
+  GTask *task = G_TASK (user_data);
+  GDataPicasaWebFile *file_entry = NULL;
+  PhotosBaseItem *item = PHOTOS_BASE_ITEM (source_object);
+  PhotosSharePointGoogleShareData *data;
+
+  self = PHOTOS_SHARE_POINT_GOOGLE (g_task_get_source_object (task));
+  data = (PhotosSharePointGoogleShareData *) g_task_get_task_data (task);
+
+  error = NULL;
+  if (!photos_base_item_save_to_stream_finish (item, res, &error))
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  error = NULL;
+  file_entry = gdata_picasaweb_service_finish_file_upload (GDATA_PICASAWEB_SERVICE (self->service),
+                                                           data->stream,
+                                                           &error);
+  if (error != NULL)
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  g_task_return_boolean (task, TRUE);
+
+ out:
+  g_clear_object (&file_entry);
+  g_object_unref (task);
+}
+
+
+static void
+photos_share_point_google_share_refresh_authorization (GObject *source_object,
+                                                       GAsyncResult *res,
+                                                       gpointer user_data)
+{
+  PhotosSharePointGoogle *self;
+  GCancellable *cancellable;
+  GError *error;
+  GTask *task = G_TASK (user_data);
+  GDataAuthorizer *authorizer = GDATA_AUTHORIZER (source_object);
+  GDataPicasaWebFile *file_entry = NULL;
+  GDataUploadStream *stream = NULL;
+  PhotosSharePointGoogleShareData *data;
+  const gchar *filename;
+  const gchar *mime_type;
+  const gchar *name;
+
+  self = PHOTOS_SHARE_POINT_GOOGLE (g_task_get_source_object (task));
+  cancellable = g_task_get_cancellable (task);
+  data = (PhotosSharePointGoogleShareData *) g_task_get_task_data (task);
+
+  error = NULL;
+  if (!gdata_authorizer_refresh_authorization_finish (authorizer, res, &error))
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  file_entry = gdata_picasaweb_file_new (NULL);
+  name = photos_base_item_get_name_with_fallback (data->item);
+  gdata_entry_set_title (GDATA_ENTRY (file_entry), name);
+
+  filename = photos_base_item_get_filename (data->item);
+  mime_type = photos_base_item_get_mime_type (data->item);
+
+  error = NULL;
+  stream = gdata_picasaweb_service_upload_file (self->service,
+                                                NULL,
+                                                file_entry,
+                                                filename,
+                                                mime_type,
+                                                cancellable,
+                                                &error);
+  if (error != NULL)
+    {
+      g_task_return_error (task, error);
+      goto out;
+    }
+
+  g_assert_null (data->stream);
+  data->stream = g_object_ref (stream);
+
+  photos_base_item_save_to_stream_async (data->item,
+                                         G_OUTPUT_STREAM (stream),
+                                         1.0,
+                                         cancellable,
+                                         photos_share_point_google_share_save_to_stream,
+                                         g_object_ref (task));
+
+ out:
+  g_clear_object (&file_entry);
+  g_clear_object (&stream);
+  g_object_unref (task);
+}
+
+
+static void
+photos_share_point_google_share_async (PhotosSharePoint *share_point,
+                                       PhotosBaseItem *item,
+                                       GCancellable *cancellable,
+                                       GAsyncReadyCallback callback,
+                                       gpointer user_data)
+{
+  PhotosSharePointGoogle *self = PHOTOS_SHARE_POINT_GOOGLE (share_point);
+  GTask *task;
+  PhotosSharePointGoogleShareData *data;
+
+  data = photos_share_point_google_share_data_new (item);
+
+  task = g_task_new (self, cancellable, callback, user_data);
+  g_task_set_source_tag (task, photos_share_point_google_share_async);
+  g_task_set_task_data (task, data, (GDestroyNotify) photos_share_point_google_share_data_free);
+
+  gdata_authorizer_refresh_authorization_async (GDATA_AUTHORIZER (self->authorizer),
+                                                cancellable,
+                                                photos_share_point_google_share_refresh_authorization,
+                                                g_object_ref (task));
+
+  g_object_unref (task);
+}
+
+
+static gboolean
+photos_share_point_google_share_finish (PhotosSharePoint *share_point, GAsyncResult *res, GError **error)
+{
+  PhotosSharePointGoogle *self = PHOTOS_SHARE_POINT_GOOGLE (share_point);
+  GTask *task;
+
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
+  task = G_TASK (res);
+
+  g_return_val_if_fail (g_task_get_source_tag (task) == photos_share_point_google_share_async, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  return g_task_propagate_boolean (task, error);
+}
+
+
+static void
+photos_share_point_google_constructed (GObject *object)
+{
+  PhotosSharePointGoogle *self = PHOTOS_SHARE_POINT_GOOGLE (object);
+  PhotosSource *source;
+  GoaObject *goa_object;
+
+  G_OBJECT_CLASS (photos_share_point_google_parent_class)->constructed (object);
+
+  source = photos_share_point_online_get_source (PHOTOS_SHARE_POINT_ONLINE (self));
+  goa_object = photos_source_get_goa_object (source);
+  self->authorizer = gdata_goa_authorizer_new (goa_object);
+  self->service = gdata_picasaweb_service_new (GDATA_AUTHORIZER (self->authorizer));
+}
+
+
+static void
+photos_share_point_google_dispose (GObject *object)
+{
+  PhotosSharePointGoogle *self = PHOTOS_SHARE_POINT_GOOGLE (object);
+
+  g_clear_object (&self->authorizer);
+  g_clear_object (&self->service);
+
+  G_OBJECT_CLASS (photos_share_point_google_parent_class)->dispose (object);
+}
+
+
+static void
+photos_share_point_google_init (PhotosSharePointGoogle *self)
+{
+}
+
+
+static void
+photos_share_point_google_class_init (PhotosSharePointGoogleClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  PhotosSharePointClass *share_point_class = PHOTOS_SHARE_POINT_CLASS (class);
+
+  object_class->constructed = photos_share_point_google_constructed;
+  object_class->dispose = photos_share_point_google_dispose;
+  share_point_class->share_async = photos_share_point_google_share_async;
+  share_point_class->share_finish = photos_share_point_google_share_finish;
+}
diff --git a/src/photos-share-point-google.h b/src/photos-share-point-google.h
new file mode 100644
index 0000000..22e1952
--- /dev/null
+++ b/src/photos-share-point-google.h
@@ -0,0 +1,37 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2016 Umang Jain
+ *
+ * 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.
+ */
+
+#ifndef PHOTOS_SHARE_POINT_GOOGLE_H
+#define PHOTOS_SHARE_POINT_GOOGLE_H
+
+#include "photos-share-point-online.h"
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_SHARE_POINT_GOOGLE (photos_share_point_google_get_type ())
+G_DECLARE_FINAL_TYPE (PhotosSharePointGoogle,
+                      photos_share_point_google,
+                      PHOTOS,
+                      SHARE_POINT_GOOGLE,
+                      PhotosSharePointOnline)
+
+G_END_DECLS
+
+#endif /* PHOTOS_SHARE_POINT_GOOGLE_H */
diff --git a/src/photos-utils.c b/src/photos-utils.c
index 764b732..7e02138 100644
--- a/src/photos-utils.c
+++ b/src/photos-utils.c
@@ -52,6 +52,7 @@
 #include "photos-operation-saturation.h"
 #include "photos-query.h"
 #include "photos-share-point.h"
+#include "photos-share-point-google.h"
 #include "photos-share-point-online.h"
 #include "photos-source.h"
 #include "photos-tool.h"
@@ -849,6 +850,8 @@ photos_utils_ensure_builtins (void)
       g_type_ensure (PHOTOS_TYPE_OPERATION_PNG_GUESS_SIZES);
       g_type_ensure (PHOTOS_TYPE_OPERATION_SATURATION);
 
+      g_type_ensure (PHOTOS_TYPE_SHARE_POINT_GOOGLE);
+
       g_type_ensure (PHOTOS_TYPE_TOOL_COLORS);
       g_type_ensure (PHOTOS_TYPE_TOOL_CROP);
       g_type_ensure (PHOTOS_TYPE_TOOL_ENHANCE);