[gnome-photos/wip/search: 7/32] Add PhotosBaseModel

[Debarshi Ray <debarshir src gnome org>]

commit 8df163082d322d6d4fa5a863edb813f85cf056b2
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Jan 2 18:07:00 2014 +0100

    Add PhotosBaseModel

 src/Makefile.am         |    2 +
 src/photos-base-model.c |  174 +++++++++++++++++++++++++++++++++++++++++++++++
 src/photos-base-model.h |   84 +++++++++++++++++++++++
 3 files changed, 260 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 43f6f2d..a484588 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -68,6 +68,8 @@ gnome_photos_SOURCES = \
        photos-application.h \
        photos-base-manager.c \
        photos-base-manager.h \
+       photos-base-model.c \
+       photos-base-model.h \
        photos-base-item.c \
        photos-base-item.h \
        photos-camera-cache.c \
diff --git a/src/photos-base-model.c b/src/photos-base-model.c
new file mode 100644
index 0000000..80326ac
--- /dev/null
+++ b/src/photos-base-model.c
@@ -0,0 +1,174 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2014 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 <glib.h>
+
+#include "photos-base-model.h"
+
+
+struct _PhotosBaseModelPrivate
+{
+  PhotosBaseManager *mngr;
+};
+
+enum
+{
+  PROP_0,
+  PROP_MANAGER
+};
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (PhotosBaseModel, photos_base_model, GTK_TYPE_LIST_STORE);
+
+
+static void
+photos_base_model_refresh (PhotosBaseModel *self)
+{
+  PhotosBaseModelPrivate *priv = self->priv;
+  GHashTable *objects;
+  GHashTableIter hash_iter;
+  GObject *object;
+  GtkTreeIter model_iter;
+  const gchar *id;
+  const gchar *title;
+
+  gtk_list_store_clear (GTK_LIST_STORE (self));
+
+  title = photos_base_manager_get_title (priv->mngr);
+  if (title != NULL)
+    {
+      gtk_list_store_append (GTK_LIST_STORE (self), &model_iter);
+      gtk_list_store_set (GTK_LIST_STORE (self),
+                          &model_iter,
+                          PHOTOS_BASE_MODEL_ID, "heading",
+                          PHOTOS_BASE_MODEL_NAME, "",
+                          PHOTOS_BASE_MODEL_HEADING_TEXT, title,
+                          -1);
+    }
+
+  objects = photos_base_manager_get_objects (priv->mngr);
+
+  g_hash_table_iter_init (&hash_iter, objects);
+  while (g_hash_table_iter_next (&hash_iter, (gpointer *) &id, (gpointer *) &object))
+    {
+      gchar *name;
+
+      gtk_list_store_append (GTK_LIST_STORE (self), &model_iter);
+
+      g_object_get (object, "name", &name, NULL);
+      gtk_list_store_set (GTK_LIST_STORE (self),
+                          &model_iter,
+                          PHOTOS_BASE_MODEL_ID, id,
+                          PHOTOS_BASE_MODEL_NAME, name,
+                          PHOTOS_BASE_MODEL_HEADING_TEXT, "",
+                          -1);
+      g_free (name);
+    }
+}
+
+
+static void
+photos_base_model_constructed (GObject *object)
+{
+  PhotosBaseModel *self = PHOTOS_BASE_MODEL (object);
+  PhotosBaseModelPrivate *priv = self->priv;
+
+  G_OBJECT_CLASS (photos_base_model_parent_class)->constructed (object);
+
+  g_signal_connect_swapped (priv->mngr, "object-added", G_CALLBACK (photos_base_model_refresh), self);
+  g_signal_connect_swapped (priv->mngr, "object-removed", G_CALLBACK (photos_base_model_refresh), self);
+
+  photos_base_model_refresh (self);
+}
+
+
+static void
+photos_base_model_dispose (GObject *object)
+{
+  PhotosBaseModel *self = PHOTOS_BASE_MODEL (object);
+
+  g_clear_object (&self->priv->mngr);
+
+  G_OBJECT_CLASS (photos_base_model_parent_class)->dispose (object);
+}
+
+
+static void
+photos_base_model_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  PhotosBaseModel *self = PHOTOS_BASE_MODEL (object);
+
+  switch (prop_id)
+    {
+    case PROP_MANAGER:
+      self->priv->mngr = PHOTOS_BASE_MANAGER (g_value_dup_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+
+static void
+photos_base_model_init (PhotosBaseModel *self)
+{
+  GType columns[] = {G_TYPE_STRING,    /* ID */
+                     G_TYPE_STRING,    /* NAME */
+                     G_TYPE_STRING};   /* HEADING TEXT */
+
+  self->priv = photos_base_model_get_instance_private (self);
+
+  gtk_list_store_set_column_types (GTK_LIST_STORE (self), sizeof (columns) / sizeof (columns[0]), columns);
+}
+
+
+static void
+photos_base_model_class_init (PhotosBaseModelClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+  object_class->constructed = photos_base_model_constructed;
+  object_class->dispose = photos_base_model_dispose;
+  object_class->set_property = photos_base_model_set_property;
+
+  g_object_class_install_property (object_class,
+                                   PROP_MANAGER,
+                                   g_param_spec_object ("manager",
+                                                        "PhotosBaseManager object",
+                                                        "The manager whose data is held by this model",
+                                                        PHOTOS_TYPE_BASE_MANAGER,
+                                                        G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
+}
+
+
+GtkListStore *
+photos_base_model_new (PhotosBaseManager *mngr)
+{
+  return g_object_new (PHOTOS_TYPE_BASE_MODEL, "manager", mngr, NULL);
+}
diff --git a/src/photos-base-model.h b/src/photos-base-model.h
new file mode 100644
index 0000000..ed478f7
--- /dev/null
+++ b/src/photos-base-model.h
@@ -0,0 +1,84 @@
+/*
+ * Photos - access, organize and share your photos on GNOME
+ * Copyright © 2014 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_BASE_MODEL_H
+#define PHOTOS_BASE_MODEL_H
+
+#include <gtk/gtk.h>
+
+#include "photos-base-manager.h"
+
+G_BEGIN_DECLS
+
+#define PHOTOS_TYPE_BASE_MODEL (photos_base_model_get_type ())
+
+#define PHOTOS_BASE_MODEL(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+   PHOTOS_TYPE_BASE_MODEL, PhotosBaseModel))
+
+#define PHOTOS_BASE_MODEL_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+   PHOTOS_TYPE_BASE_MODEL, PhotosBaseModelClass))
+
+#define PHOTOS_IS_BASE_MODEL(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+   PHOTOS_TYPE_BASE_MODEL))
+
+#define PHOTOS_IS_BASE_MODEL_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+   PHOTOS_TYPE_BASE_MODEL))
+
+#define PHOTOS_BASE_MODEL_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+   PHOTOS_TYPE_BASE_MODEL, PhotosBaseModelClass))
+
+typedef enum
+{
+  PHOTOS_BASE_MODEL_ID,
+  PHOTOS_BASE_MODEL_NAME,
+  PHOTOS_BASE_MODEL_HEADING_TEXT
+} PhotosBaseModelColumns;
+
+typedef struct _PhotosBaseModel        PhotosBaseModel;
+typedef struct _PhotosBaseModelClass   PhotosBaseModelClass;
+typedef struct _PhotosBaseModelPrivate PhotosBaseModelPrivate;
+
+struct _PhotosBaseModel
+{
+  GtkListStore parent_instance;
+  PhotosBaseModelPrivate *priv;
+};
+
+struct _PhotosBaseModelClass
+{
+  GtkListStoreClass parent_class;
+};
+
+GType             photos_base_model_get_type               (void) G_GNUC_CONST;
+
+GtkListStore     *photos_base_model_new                    (PhotosBaseManager *mngr);
+
+G_END_DECLS
+
+#endif /* PHOTOS_BASE_MODEL_H */