diff options
Diffstat (limited to 'backends/null/null-backend.c')
| -rw-r--r-- | backends/null/null-backend.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/backends/null/null-backend.c b/backends/null/null-backend.c new file mode 100644 index 0000000..f8c22c8 --- /dev/null +++ b/backends/null/null-backend.c @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2014 Michal Ratajsky <[email protected]> + * + * 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 of the licence, 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, see <http://www.gnu.org/licenses/>. + */ + +#include <glib.h> +#include <glib-object.h> + +#include <libmatemixer/matemixer-backend.h> +#include <libmatemixer/matemixer-backend-module.h> + +#include "null-backend.h" + +#define BACKEND_NAME "Null" +#define BACKEND_PRIORITY 0 + +static void mate_mixer_backend_interface_init (MateMixerBackendInterface *iface); + +G_DEFINE_DYNAMIC_TYPE_EXTENDED (NullBackend, null_backend, + G_TYPE_OBJECT, 0, + G_IMPLEMENT_INTERFACE_DYNAMIC (MATE_MIXER_TYPE_BACKEND, + mate_mixer_backend_interface_init)) + +static void null_backend_class_init (NullBackendClass *klass); +static void null_backend_class_finalize (NullBackendClass *klass); +static void null_backend_init (NullBackend *null); + +static gboolean backend_open (MateMixerBackend *backend); +static MateMixerState backend_get_state (MateMixerBackend *backend); + +static MateMixerBackendInfo info; + +void +backend_module_init (GTypeModule *module) +{ + null_backend_register_type (module); + + info.name = BACKEND_NAME; + info.priority = BACKEND_PRIORITY; + info.g_type = NULL_TYPE_BACKEND; + info.backend_type = MATE_MIXER_BACKEND_NULL; +} + +const MateMixerBackendInfo * +backend_module_get_info (void) +{ + return &info; +} + +static void +mate_mixer_backend_interface_init (MateMixerBackendInterface *iface) +{ + iface->open = backend_open; + iface->get_state = backend_get_state; +} + +static void +null_backend_class_init (NullBackendClass *klass) +{ + // XXX is it needed to have this function? shouldn't it call parent method if empty? +} + +/* Called in the code generated by G_DEFINE_DYNAMIC_TYPE_EXTENDED() */ +static void +null_backend_class_finalize (NullBackendClass *klass) +{ +} + +static void +null_backend_init (NullBackend *null) +{ +} + +static gboolean +backend_open (MateMixerBackend *backend) +{ + return TRUE; +} + +static MateMixerState +backend_get_state (MateMixerBackend *backend) +{ + return MATE_MIXER_STATE_READY; +} |