[gnome-photos/wip/rishi/collection: 25/25] Tracker Import Controller

[Debarshi Ray <debarshir src gnome org>]

commit b149839b70159bf8f04dc248d853f041aca6065c
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jan 17 19:12:44 2018 +0100

    Tracker Import Controller

 src/Makefile.am                        |   2 +
 src/photos-tracker-import-controller.c | 195 +++++++++++++++++++++++++++++++++
 src/photos-tracker-import-controller.h |  43 ++++++++
 3 files changed, 240 insertions(+)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index b522cfd5..35709da6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -288,6 +288,8 @@ gnome_photos_SOURCES = \
        photos-tracker-controller.h \
        photos-tracker-favorites-controller.c \
        photos-tracker-favorites-controller.h \
+       photos-tracker-import-controller.c \
+       photos-tracker-import-controller.h \
        photos-tracker-overview-controller.c \
        photos-tracker-overview-controller.h \
        photos-tracker-search-controller.c \
diff --git a/src/photos-tracker-import-controller.c b/src/photos-tracker-import-controller.c
new file mode 100644
index 00000000..ec65f354
--- /dev/null
+++ b/src/photos-tracker-import-controller.c
@@ -0,0 +1,195 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2018 Red Hat, Inc.
+ *
+ * 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.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "photos-base-manager.h"
+#include "photos-item-manager.h"
+#include "photos-offset-import-controller.h"
+#include "photos-query-builder.h"
+#include "photos-search-context.h"
+#include "photos-tracker-import-controller.h"
+#include "photos-utils.h"
+
+
+struct _PhotosTrackerImportController
+{
+  PhotosTrackerController parent_instance;
+  PhotosBaseManager *item_mngr;
+  PhotosBaseManager *src_mngr;
+  PhotosOffsetController *offset_cntrlr;
+};
+
+
+G_DEFINE_TYPE_WITH_CODE (PhotosTrackerImportController,
+                         photos_tracker_import_controller,
+                         PHOTOS_TYPE_TRACKER_CONTROLLER,
+                         photos_utils_ensure_extension_points ();
+                         g_io_extension_point_implement (PHOTOS_TRACKER_CONTROLLER_EXTENSION_POINT_NAME,
+                                                         g_define_type_id,
+                                                         "import",
+                                                         0));
+
+
+static void
+photos_tracker_import_controller_source_active_changed (PhotosTrackerImportController *self, GObject *source)
+{
+  PhotosBaseManager *item_mngr_chld;
+  GMount *source;
+  gboolean frozen;
+  guint n_items;
+
+  g_return_if_fail (PHOTOS_IS_TRACKER_IMPORT_CONTROLLER (self));
+  g_return_if_fail (PHOTOS_IS_SOURCE (source));
+  g_return_if_fail (PHOTOS_IS_ITEM_MANAGER (self->item_mngr));
+
+  mount = photos_source_get_mount (PHOTOS_SOURCE (source));
+  item_mngr_chld = photos_item_manager_get_for_mode (PHOTOS_ITEM_MANAGER (self->item_mngr),
+                                                     PHOTOS_WINDOW_MODE_COLLECTION_VIEW);
+  n_items = g_list_model_get_n_items (G_LIST_MODEL (item_mngr_chld));
+  g_return_if_fail (G_IS_MOUNT (mount) && n_items == 0 || mount == NULL && n_items > 0);
+
+  frozen = mount == NULL;
+  photos_tracker_controller_set_frozen (PHOTOS_TRACKER_CONTROLLER (self), frozen);
+
+  if (mount == NULL)
+    photos_item_manager_clear (PHOTOS_ITEM_MANAGER (self->item_mngr), PHOTOS_WINDOW_MODE_IMPORT);
+  else
+    photos_tracker_controller_refresh_for_object (PHOTOS_TRACKER_CONTROLLER (self));
+}
+
+
+static PhotosOffsetController *
+photos_tracker_import_controller_get_offset_controller (PhotosTrackerController *trk_cntrlr)
+{
+  PhotosTrackerImportController *self = PHOTOS_TRACKER_IMPORT_CONTROLLER (trk_cntrlr);
+  return g_object_ref (self->offset_cntrlr);
+}
+
+
+static PhotosQuery *
+photos_tracker_import_controller_get_query (PhotosTrackerController *trk_cntrlr)
+{
+  PhotosTrackerImportController *self = PHOTOS_TRACKER_IMPORT_CONTROLLER (trk_cntrlr);
+  GApplication *app;
+  PhotosSearchContextState *state;
+
+  app = g_application_get_default ();
+  state = photos_search_context_get_state (PHOTOS_SEARCH_CONTEXT (app));
+
+  return photos_query_builder_global_query (state, PHOTOS_QUERY_FLAGS_SEARCH, self->offset_cntrlr);
+}
+
+
+static GObject *
+photos_tracker_import_controller_constructor (GType type,
+                                              guint n_construct_params,
+                                              GObjectConstructParam *construct_params)
+{
+  static GObject *self = NULL;
+
+  if (self == NULL)
+    {
+      self = G_OBJECT_CLASS (photos_tracker_import_controller_parent_class)->constructor (type,
+                                                                                          n_construct_params,
+                                                                                          construct_params);
+      g_object_add_weak_pointer (self, (gpointer) &self);
+      return self;
+    }
+
+  return g_object_ref (self);
+}
+
+
+static void
+photos_tracker_import_controller_dispose (GObject *object)
+{
+  PhotosTrackerImportController *self = PHOTOS_TRACKER_IMPORT_CONTROLLER (object);
+
+  g_clear_object (&self->src_mngr);
+  g_clear_object (&self->offset_cntrlr);
+
+  G_OBJECT_CLASS (photos_tracker_import_controller_parent_class)->dispose (object);
+}
+
+
+static void
+photos_tracker_import_controller_finalize (GObject *object)
+{
+  PhotosTrackerImportController *self = PHOTOS_TRACKER_IMPORT_CONTROLLER (object);
+
+  if (self->item_mngr != NULL)
+    g_object_remove_weak_pointer (G_OBJECT (self->item_mngr), (gpointer *) &self->item_mngr);
+
+  G_OBJECT_CLASS (photos_tracker_import_controller_parent_class)->finalize (object);
+}
+
+
+static void
+photos_tracker_import_controller_init (PhotosTrackerImportController *self)
+{
+  GApplication *app;
+  PhotosSearchContextState *state;
+
+  app = g_application_get_default ();
+  state = photos_search_context_get_state (PHOTOS_SEARCH_CONTEXT (app));
+
+  self->item_mngr = state->item_mngr;
+  g_object_add_weak_pointer (G_OBJECT (self->item_mngr), (gpointer *) &self->item_mngr);
+
+  self->src_mngr = g_object_ref (state->src_mngr);
+  g_signal_connect_swapped (self->src_mngr,
+                            "active-changed",
+                            G_CALLBACK (photos_tracker_import_controller_source_active_changed),
+                            self);
+
+  self->offset_cntrlr = photos_offset_import_controller_dup_singleton ();
+}
+
+
+static void
+photos_tracker_import_controller_class_init (PhotosTrackerImportControllerClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  PhotosTrackerControllerClass *tracker_controller_class = PHOTOS_TRACKER_CONTROLLER_CLASS (class);
+
+  object_class->constructor = photos_tracker_import_controller_constructor;
+  object_class->dispose = photos_tracker_import_controller_dispose;
+  object_class->finalize = photos_tracker_import_controller_finalize;
+  tracker_controller_class->get_offset_controller = photos_tracker_import_controller_get_offset_controller;
+  tracker_controller_class->get_query = photos_tracker_import_controller_get_query;
+}
+
+
+PhotosTrackerController *
+photos_tracker_import_controller_dup_singleton (void)
+{
+  return g_object_new (PHOTOS_TYPE_TRACKER_IMPORT_CONTROLLER,
+                       "delay-start", TRUE,
+                       "mode", PHOTOS_WINDOW_MODE_SEARCH,
+                       NULL);
+}
diff --git a/src/photos-tracker-import-controller.h b/src/photos-tracker-import-controller.h
new file mode 100644
index 00000000..cc4d206a
--- /dev/null
+++ b/src/photos-tracker-import-controller.h
@@ -0,0 +1,43 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2018 Red Hat, Inc.
+ *
+ * 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.
+ */
+
+/* Based on code from:
+ *   + Documents
+ */
+
+#ifndef PHOTOS_TRACKER_IMPORT_CONTROLLER_H
+#define PHOTOS_TRACKER_IMPORT_CONTROLLER_H
+
+#include "photos-tracker-controller.h"
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_TRACKER_IMPORT_CONTROLLER (photos_tracker_import_controller_get_type ())
+G_DECLARE_FINAL_TYPE (PhotosTrackerImportController,
+                      photos_tracker_import_controller,
+                      PHOTOS,
+                      TRACKER_IMPORT_CONTROLLER,
+                      PhotosTrackerController);
+
+PhotosTrackerController  *photos_tracker_import_controller_dup_singleton     (void);
+
+G_END_DECLS
+
+#endif /* PHOTOS_TRACKER_IMPORT_CONTROLLER_H */