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/*
* Copyright (C) 2011-2013 Jiri Techet <techet@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:champlain-layer
* @short_description: Base class of libchamplain layers
*
* Every layer (overlay that moves together with the map) has to inherit this
* class and implement its virtual methods.
*/
#include "champlain-layer.h"
G_DEFINE_ABSTRACT_TYPE (ChamplainLayer, champlain_layer, CLUTTER_TYPE_ACTOR)
static void
champlain_layer_dispose (GObject *object)
{
G_OBJECT_CLASS (champlain_layer_parent_class)->dispose (object);
}
static void
champlain_layer_finalize (GObject *object)
{
G_OBJECT_CLASS (champlain_layer_parent_class)->finalize (object);
}
static void
champlain_layer_class_init (ChamplainLayerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = champlain_layer_finalize;
object_class->dispose = champlain_layer_dispose;
klass->set_view = NULL;
klass->get_bounding_box = NULL;
}
/**
* champlain_layer_set_view:
* @layer: a #ChamplainLayer
* @view: (nullable): a #ChamplainView
*
* #ChamplainView calls this method to pass a reference to itself to the layer
* when the layer is added to the view. When the layer is removed from the
* view, it passes %NULL to the layer. Custom layers can implement this method
* and perform the necessary initialization. This method should not be called
* by user code.
*
* Since: 0.10
*/
void
champlain_layer_set_view (ChamplainLayer *layer,
ChamplainView *view)
{
g_return_if_fail (CHAMPLAIN_IS_LAYER (layer));
CHAMPLAIN_LAYER_GET_CLASS (layer)->set_view (layer, view);
}
/**
* champlain_layer_get_bounding_box:
* @layer: a #ChamplainLayer
*
* Gets the bounding box occupied by the elements inside the layer.
*
* Returns: The bounding box.
*
* Since: 0.10
*/
ChamplainBoundingBox *
champlain_layer_get_bounding_box (ChamplainLayer *layer)
{
g_return_val_if_fail (CHAMPLAIN_IS_LAYER (layer), NULL);
return CHAMPLAIN_LAYER_GET_CLASS (layer)->get_bounding_box (layer);
}
static void
champlain_layer_init (ChamplainLayer *self)
{
}
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