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/*
* Copyright (C) 2018 Red Hat
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include "meta/meta-selection.h"
#include "meta/meta-selection-source.h"
typedef struct MetaSelectionSourcePrivate MetaSelectionSourcePrivate;
struct MetaSelectionSourcePrivate
{
guint active : 1;
};
G_DEFINE_TYPE_WITH_PRIVATE (MetaSelectionSource,
meta_selection_source,
G_TYPE_OBJECT)
enum
{
ACTIVE,
INACTIVE,
N_SIGNALS
};
static guint signals[N_SIGNALS] = { 0 };
static void
meta_selection_source_activated (MetaSelectionSource *source)
{
MetaSelectionSourcePrivate *priv =
meta_selection_source_get_instance_private (source);
priv->active = TRUE;
}
static void
meta_selection_source_deactivated (MetaSelectionSource *source)
{
MetaSelectionSourcePrivate *priv =
meta_selection_source_get_instance_private (source);
priv->active = FALSE;
}
static void
meta_selection_source_class_init (MetaSelectionSourceClass *klass)
{
klass->activated = meta_selection_source_activated;
klass->deactivated = meta_selection_source_deactivated;
signals[ACTIVE] =
g_signal_new ("activated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (MetaSelectionSourceClass, activated),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[INACTIVE] =
g_signal_new ("deactivated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (MetaSelectionSourceClass, deactivated),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void
meta_selection_source_init (MetaSelectionSource *source)
{
}
void
meta_selection_source_read_async (MetaSelectionSource *source,
const gchar *mimetype,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_return_if_fail (META_IS_SELECTION_SOURCE (source));
g_return_if_fail (mimetype != NULL);
g_return_if_fail (callback != NULL);
META_SELECTION_SOURCE_GET_CLASS (source)->read_async (source,
mimetype,
cancellable,
callback,
user_data);
}
/**
* meta_selection_source_read_finish:
* @source: The selection source
* @result: The async result
* @error: Location for returned error
*
* Finishes a read from the selection source.
*
* Returns: (transfer full): The resulting #GInputStream
*/
GInputStream *
meta_selection_source_read_finish (MetaSelectionSource *source,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (META_IS_SELECTION_SOURCE (source), NULL);
g_return_val_if_fail (g_task_is_valid (result, source), NULL);
return META_SELECTION_SOURCE_GET_CLASS (source)->read_finish (source,
result,
error);
}
/**
* meta_selection_source_get_mimetypes:
* @source: The selection source
*
* Returns the list of supported mimetypes.
*
* Returns: (element-type utf8) (transfer full): The supported mimetypes
*/
GList *
meta_selection_source_get_mimetypes (MetaSelectionSource *source)
{
g_return_val_if_fail (META_IS_SELECTION_SOURCE (source), NULL);
return META_SELECTION_SOURCE_GET_CLASS (source)->get_mimetypes (source);
}
/**
* meta_selection_source_is_active:
* @source: the selection source
*
* Returns #TRUE if the source is active on a selection.
*
* Returns: #TRUE if the source owns a selection.
**/
gboolean
meta_selection_source_is_active (MetaSelectionSource *source)
{
MetaSelectionSourcePrivate *priv =
meta_selection_source_get_instance_private (source);
g_return_val_if_fail (META_IS_SELECTION_SOURCE (source), FALSE);
return priv->active;
}
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