diff --git a/src/Makefile.am b/src/Makefile.am
index df19e4d9..04df3682 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,8 +25,12 @@ gnome_calendar_SOURCES =                                \
 	gcal-main-toolbar.c                                   \
 	gcal-window.h                                         \
 	gcal-window.c                                         \
+	gcal-view.c                                           \
+	gcal-view.h                                           \
 	gcal-month-view.c                                     \
 	gcal-month-view.h                                     \
+	gcal-event-widget.c                                   \
+	gcal-event-widget.h                                   \
 	gcal-manager.c                                        \
 	gcal-manager.h                                        \
 	gcal-utils.c                                          \
diff --git a/src/gcal-view.c b/src/gcal-view.c
new file mode 100644
index 00000000..d03d4a4f
--- /dev/null
+++ b/src/gcal-view.c
@@ -0,0 +1,75 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
+/*
+ * gcal-view.c
+ *
+ * Copyright (C) 2012 - Erick Pérez Castellanos
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gcal-view.h"
+
+static void
+gcal_view_base_init (gpointer g_iface)
+{
+  static gboolean initialized = FALSE;
+
+  if (!initialized)
+    {
+      /* create interface signals here. */
+      initialized = TRUE;
+    }
+}
+
+GType
+gcal_view_get_type (void)
+{
+  static GType type = 0;
+  if (type == 0)
+    {
+      const GTypeInfo info =
+      {
+        sizeof (GcalViewInterface),
+        NULL,   /* base_init */
+        NULL,   /* base_finalize */
+        NULL,   /* class_init */
+        NULL,   /* class_finalize */
+        NULL,   /* class_data */
+        0,
+        0,      /* n_preallocs */
+        NULL    /* instance_init */
+      };
+      const GInterfaceInfo view_info =
+      {
+        (GInterfaceInitFunc) gcal_view_base_init,
+        NULL,               /* interface_finalize */
+        NULL          /* interface_data */
+      };
+      type = g_type_register_static (G_TYPE_OBJECT,
+                                     "GcalViewType",
+                                     &info,
+                                     0);
+      g_type_add_interface_static (type,
+                                   GCAL_TYPE_VIEW,
+                                   &view_info);
+    }
+  return type;
+}
+
+gboolean
+gcal_view_is_in_range (GcalView     *view,
+                       icaltimetype *date)
+{
+  return GCAL_VIEW_GET_INTERFACE (view)->is_in_range (view, date);
+}
diff --git a/src/gcal-view.h b/src/gcal-view.h
new file mode 100644
index 00000000..19eed4c4
--- /dev/null
+++ b/src/gcal-view.h
@@ -0,0 +1,51 @@
+/*
+ * gcal-view.h
+ *
+ * Copyright (C) 2012 - Erick Pérez Castellanos
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GCAL_VIEW_H__
+#define __GCAL_VIEW_H__
+
+#include <glib-object.h>
+
+#include <libical/icaltime.h>
+
+G_BEGIN_DECLS
+
+#define GCAL_TYPE_VIEW                 (gcal_view_get_type ())
+#define GCAL_VIEW(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GCAL_TYPE_VIEW, GcalView))
+#define GCAL_IS_VIEW(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GCAL_TYPE_VIEW))
+#define GCAL_VIEW_GET_INTERFACE(inst)  (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GCAL_TYPE_VIEW, GcalViewInterface))
+
+
+typedef struct _GcalView                GcalView;
+typedef struct _GcalViewInterface       GcalViewInterface;
+
+struct _GcalViewInterface
+{
+  GTypeInterface parent_iface;
+
+  gboolean (*is_in_range) (GcalView *view, icaltimetype* date);
+};
+
+GType  gcal_view_get_type  (void);
+
+gboolean gcal_view_is_in_range (GcalView *view, icaltimetype* date);
+
+G_END_DECLS
+
+#endif /* __GCAL_MONTH_VIEW_H__ */