[gnome-photos] Add PhotosSpinnerBox

[Debarshi Ray <debarshir src gnome org>]

commit 0eaaf503a0f2ca554e1f8c3313416ee0773390cd
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Aug 13 23:40:55 2012 +0200

    Add PhotosSpinnerBox

 po/POTFILES.in           |    1 +
 src/Makefile.am          |    2 +
 src/photos-spinner-box.c |  187 ++++++++++++++++++++++++++++++++++++++++++++++
 src/photos-spinner-box.h |   77 +++++++++++++++++++
 4 files changed, 267 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index ce913e1..e85a1a3 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -10,3 +10,4 @@ src/photos-main-window.c
 src/photos-search-type-manager.c
 src/photos-selection-toolbar.c
 src/photos-source-manager.c
+src/photos-spinner-box.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 5c40bdf..c3de678 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -79,6 +79,8 @@ gnome_photos_SOURCES = \
 	photos-source.h \
 	photos-source-manager.c \
 	photos-source-manager.h \
+	photos-spinner-box.c \
+	photos-spinner-box.h \
 	photos-tracker-controller.c \
 	photos-tracker-controller.h \
 	photos-tracker-queue.c \
diff --git a/src/photos-spinner-box.c b/src/photos-spinner-box.c
new file mode 100644
index 0000000..3e90b12
--- /dev/null
+++ b/src/photos-spinner-box.c
@@ -0,0 +1,187 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright  2012 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.
+ */
+
+
+#include "config.h"
+
+#include <clutter/clutter.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "photos-spinner-box.h"
+
+
+struct _PhotosSpinnerBoxPrivate
+{
+  guint delayed_move_id;
+};
+
+
+G_DEFINE_TYPE (PhotosSpinnerBox, photos_spinner_box, GTK_CLUTTER_TYPE_ACTOR);
+
+
+static void
+photos_spinner_box_clear_delay_id (PhotosSpinnerBox *self)
+{
+  PhotosSpinnerBoxPrivate *priv = self->priv;
+
+  if (priv->delayed_move_id != 0)
+    {
+      g_source_remove (priv->delayed_move_id);
+      priv->delayed_move_id = 0;
+    }
+}
+
+
+static gboolean
+photos_spinner_box_move_in_delayed_timeout (gpointer user_data)
+{
+  PhotosSpinnerBox *self = PHOTOS_SPINNER_BOX (user_data);
+
+  self->priv->delayed_move_id = 0;
+  photos_spinner_box_move_in (self);
+  return G_SOURCE_REMOVE;
+}
+
+
+static void
+photos_spinner_box_move_out_completed (PhotosSpinnerBox *self)
+{
+  ClutterActor *parent;
+
+  parent = clutter_actor_get_parent (CLUTTER_ACTOR (self));
+  if (parent == NULL)
+    return;
+
+  clutter_actor_set_child_below_sibling (parent, CLUTTER_ACTOR (self), NULL);
+}
+
+
+static void
+photos_spinner_box_dispose (GObject *object)
+{
+  PhotosSpinnerBox *self = PHOTOS_SPINNER_BOX (object);
+
+  photos_spinner_box_clear_delay_id (self);
+
+  G_OBJECT_CLASS (photos_spinner_box_parent_class)->dispose (object);
+}
+
+
+static void
+photos_spinner_box_init (PhotosSpinnerBox *self)
+{
+  PhotosSpinnerBoxPrivate *priv;
+  GtkWidget *bin;
+  GtkWidget *label;
+  GtkWidget *spinner;
+  GtkWidget *widget;
+  gchar *text;
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, PHOTOS_TYPE_SPINNER_BOX, PhotosSpinnerBoxPrivate);
+  priv = self->priv;
+
+  clutter_actor_set_x_expand (CLUTTER_ACTOR (self), TRUE);
+  clutter_actor_set_y_expand (CLUTTER_ACTOR (self), TRUE);
+
+  widget = gtk_grid_new ();
+  gtk_widget_set_halign (widget, GTK_ALIGN_CENTER);
+  gtk_widget_set_hexpand (widget, TRUE);
+  gtk_widget_set_valign (widget, GTK_ALIGN_CENTER);
+  gtk_widget_set_vexpand (widget, TRUE);
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (widget), GTK_ORIENTATION_VERTICAL);
+  gtk_grid_set_row_spacing (GTK_GRID (widget), 24);
+
+  spinner = gtk_spinner_new ();
+  gtk_widget_set_size_request (spinner, 128, 128);
+  gtk_widget_set_halign (spinner, GTK_ALIGN_CENTER);
+  gtk_widget_set_valign (spinner, GTK_ALIGN_CENTER);
+  gtk_spinner_start (GTK_SPINNER (spinner));
+  gtk_container_add (GTK_CONTAINER (widget), spinner);
+
+  label = gtk_label_new (NULL);
+
+  gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
+  text = g_strconcat ("<big><b>", _("Loading..."), "</b></big>", NULL);
+  gtk_label_set_label (GTK_LABEL (label), text);
+  g_free (text);
+
+  gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
+  gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
+  gtk_container_add (GTK_CONTAINER (widget), label);
+
+  gtk_widget_show_all (widget);
+
+  bin = gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (self));
+  gtk_container_add (GTK_CONTAINER (bin), widget);
+}
+
+
+static void
+photos_spinner_box_class_init (PhotosSpinnerBoxClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->dispose = photos_spinner_box_dispose;
+
+  g_type_class_add_private (class, sizeof (PhotosSpinnerBoxPrivate));
+}
+
+
+ClutterActor *
+photos_spinner_box_new (void)
+{
+  return g_object_new (PHOTOS_TYPE_SPINNER_BOX, NULL);
+}
+
+
+void
+photos_spinner_box_move_in (PhotosSpinnerBox *self)
+{
+  ClutterActor *parent;
+
+  photos_spinner_box_clear_delay_id (self);
+  parent = clutter_actor_get_parent (CLUTTER_ACTOR (self));
+  if (parent == NULL)
+    return;
+
+  clutter_actor_set_child_above_sibling (parent, CLUTTER_ACTOR (self), NULL);
+  clutter_actor_animate (CLUTTER_ACTOR (self), CLUTTER_EASE_OUT_QUAD, 300, "opacity", 255, NULL);
+}
+
+
+void
+photos_spinner_box_move_out (PhotosSpinnerBox *self)
+{
+  ClutterAnimation *animation;
+
+  photos_spinner_box_clear_delay_id (self);
+  animation = clutter_actor_animate (CLUTTER_ACTOR (self), CLUTTER_EASE_OUT_QUAD, 300, "opacity", 0, NULL);
+  g_signal_connect_swapped (animation, "completed", G_CALLBACK (photos_spinner_box_move_out_completed), self);
+}
+
+
+void
+photos_spinner_box_move_in_delayed (PhotosSpinnerBox *self, guint delay)
+{
+  photos_spinner_box_clear_delay_id (self);
+  self->priv->delayed_move_id = g_timeout_add (delay, photos_spinner_box_move_in_delayed_timeout, self);
+}
diff --git a/src/photos-spinner-box.h b/src/photos-spinner-box.h
new file mode 100644
index 0000000..ea78ff3
--- /dev/null
+++ b/src/photos-spinner-box.h
@@ -0,0 +1,77 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright  2012 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.
+ */
+
+#ifndef PHOTOS_SPINNER_BOX_H
+#define PHOTOS_SPINNER_BOX_H
+
+#include <clutter-gtk/clutter-gtk.h>
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_SPINNER_BOX (photos_spinner_box_get_type ())
+
+#define PHOTOS_SPINNER_BOX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+   PHOTOS_TYPE_SPINNER_BOX, PhotosSpinnerBox))
+
+#define PHOTOS_SPINNER_BOX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+   PHOTOS_TYPE_SPINNER_BOX, PhotosSpinnerBoxClass))
+
+#define PHOTOS_IS_SPINNER_BOX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+   PHOTOS_TYPE_SPINNER_BOX))
+
+#define PHOTOS_IS_SPINNER_BOX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+   PHOTOS_TYPE_SPINNER_BOX))
+
+#define PHOTOS_SPINNER_BOX_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+   PHOTOS_TYPE_SPINNER_BOX, PhotosSpinnerBoxClass))
+
+typedef struct _PhotosSpinnerBox        PhotosSpinnerBox;
+typedef struct _PhotosSpinnerBoxClass   PhotosSpinnerBoxClass;
+typedef struct _PhotosSpinnerBoxPrivate PhotosSpinnerBoxPrivate;
+
+struct _PhotosSpinnerBox
+{
+  GtkClutterActor parent_instance;
+  PhotosSpinnerBoxPrivate *priv;
+};
+
+struct _PhotosSpinnerBoxClass
+{
+  GtkClutterActorClass parent_class;
+};
+
+GType                  photos_spinner_box_get_type               (void) G_GNUC_CONST;
+
+ClutterActor          *photos_spinner_box_new                    (void);
+
+void                   photos_spinner_box_move_in                (PhotosSpinnerBox *self);
+
+void                   photos_spinner_box_move_in_delayed        (PhotosSpinnerBox *self, guint delay);
+
+void                   photos_spinner_box_move_out               (PhotosSpinnerBox *self);
+
+G_END_DECLS
+
+#endif /* PHOTOS_SPINNER_BOX_H */