/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* viking
- * Copyright (C) Guilhem Bonnefille 2009 <guilhem.bonnefille@gmail.com>
+ * Copyright (C) 2009-2010, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
*
* viking is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
+ /**
+ * SECTION:vikmapsource
+ * @short_description: the base class to describe map source
+ *
+ * The #VikMapSource class is both the interface and the base class
+ * for the hierarchie of map source.
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static void vik_map_source_finalize (GObject *object);
static void vik_map_source_class_init (VikMapSourceClass *klass);
-G_DEFINE_TYPE_EXTENDED (VikMapSource, vik_map_source, G_TYPE_OBJECT, (GTypeFlags)G_TYPE_FLAG_ABSTRACT,);
-
-/*
-GType
-vik_map_source_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo info = {
- sizeof (VikMapSourceClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) vik_map_source_class_init,
- (GClassFinalizeFunc) NULL,
- NULL /* class_data * /,
- sizeof (VikMapSource),
- 0 /* n_preallocs * /,
- (GInstanceInitFunc) vik_map_source_init,
- NULL
- };
-
- type = g_type_register_static (G_TYPE_OBJECT, "VikMapSource", &info, (GTypeFlags)G_TYPE_FLAG_ABSTRACT);
- }
+static gboolean _supports_download_only_new (VikMapSource *object);
- return type;
-}
-*/
+G_DEFINE_TYPE_EXTENDED (VikMapSource, vik_map_source, G_TYPE_OBJECT, (GTypeFlags)G_TYPE_FLAG_ABSTRACT,);
static void
vik_map_source_init (VikMapSource *object)
{
GObjectClass* object_class = G_OBJECT_CLASS (klass);
+ klass->get_copyright = NULL;
+ klass->get_license = NULL;
+ klass->get_license_url = NULL;
+ klass->get_logo = NULL;
klass->get_uniq_id = NULL;
+ klass->get_label = NULL;
klass->get_tilesize_x = NULL;
klass->get_tilesize_y = NULL;
klass->get_drawmode = NULL;
+ klass->supports_download_only_new = _supports_download_only_new;
klass->coord_to_mapcoord = NULL;
klass->mapcoord_to_center_coord = NULL;
klass->download = NULL;
+ klass->download_handle_init = NULL;
+ klass->download_handle_cleanup = NULL;
object_class->finalize = vik_map_source_finalize;
}
+gboolean
+_supports_download_only_new (VikMapSource *self)
+{
+ // Default feature: does not support
+ return FALSE;
+}
+
+/**
+ * vik_map_source_get_copyright:
+ * @self: the VikMapSource of interest.
+ * @bbox: bounding box of interest.
+ * @zoom: the zoom level of interest.
+ * @fct: the callback function to use to return matching copyrights.
+ * @data: the user data to use to call the callbaack function.
+ *
+ * retreive copyright(s) for the corresponding bounding box and zoom level.
+ */
+void
+vik_map_source_get_copyright (VikMapSource *self, LatLonBBox bbox, gdouble zoom, void (*fct)(VikViewport*,const gchar*), void *data)
+{
+ VikMapSourceClass *klass;
+ g_return_if_fail (self != NULL);
+ g_return_if_fail (VIK_IS_MAP_SOURCE (self));
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_if_fail (klass->get_copyright != NULL);
+
+ (*klass->get_copyright)(self, bbox, zoom, fct, data);
+}
+
+const gchar *
+vik_map_source_get_license (VikMapSource *self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, NULL);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), NULL);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->get_license != NULL, NULL);
+
+ return (*klass->get_license)(self);
+}
+
+const gchar *
+vik_map_source_get_license_url (VikMapSource *self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, NULL);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), NULL);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->get_license_url != NULL, NULL);
+
+ return (*klass->get_license_url)(self);
+}
+
+const GdkPixbuf *
+vik_map_source_get_logo (VikMapSource *self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, NULL);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), NULL);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->get_logo != NULL, NULL);
+
+ return (*klass->get_logo)(self);
+}
guint8
vik_map_source_get_uniq_id (VikMapSource *self)
return (*klass->get_uniq_id)(self);
}
+const gchar *
+vik_map_source_get_label (VikMapSource *self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, NULL);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), NULL);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->get_label != NULL, NULL);
+
+ return (*klass->get_label)(self);
+}
+
guint16
vik_map_source_get_tilesize_x (VikMapSource *self)
{
return (*klass->get_drawmode)(self);
}
+gboolean
+vik_map_source_supports_download_only_new (VikMapSource * self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, 0);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->supports_download_only_new != NULL, 0);
+
+ return (*klass->supports_download_only_new)(self);
+}
+
gboolean
vik_map_source_coord_to_mapcoord (VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest )
{
g_return_if_fail (klass->mapcoord_to_center_coord != NULL);
- return (*klass->mapcoord_to_center_coord)(self, src, dest);
+ (*klass->mapcoord_to_center_coord)(self, src, dest);
}
int
-vik_map_source_download (VikMapSource * self, MapCoord * src, const gchar * dest_fn)
+vik_map_source_download (VikMapSource * self, MapCoord * src, const gchar * dest_fn, void *handle)
{
VikMapSourceClass *klass;
g_return_val_if_fail (self != NULL, 0);
g_return_val_if_fail (klass->download != NULL, 0);
- return (*klass->download)(self, src, dest_fn);
+ return (*klass->download)(self, src, dest_fn, handle);
+}
+
+void *
+vik_map_source_download_handle_init (VikMapSource *self)
+{
+ VikMapSourceClass *klass;
+ g_return_val_if_fail (self != NULL, 0);
+ g_return_val_if_fail (VIK_IS_MAP_SOURCE (self), 0);
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_val_if_fail (klass->download_handle_init != NULL, 0);
+
+ return (*klass->download_handle_init)(self);
+}
+
+void
+vik_map_source_download_handle_cleanup (VikMapSource * self, void * handle)
+{
+ VikMapSourceClass *klass;
+ g_return_if_fail (self != NULL);
+ g_return_if_fail (VIK_IS_MAP_SOURCE (self));
+ klass = VIK_MAP_SOURCE_GET_CLASS(self);
+
+ g_return_if_fail (klass->download_handle_cleanup != NULL);
+
+ (*klass->download_handle_cleanup)(self, handle);
}
projects / andy / viking.git / blobdiff