From b14673ffd21727fda22d215e395c354ce7eae505 Mon Sep 17 00:00:00 2001
From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Wed, 1 Apr 2020 18:13:28 +0900
Subject: [PATCH] seq: system_info: add properties

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
 src/seq/system-info.c     | 101 +++++++++++++++++++++++++++++++++++++-
 src/seq/system-info.h     |   3 ++
 tests/alsaseq-system-info |   9 +++-
 3 files changed, 110 insertions(+), 3 deletions(-)

diff --git a/src/seq/system-info.c b/src/seq/system-info.c
index a06ebf4..bdb0458 100644
--- a/src/seq/system-info.c
+++ b/src/seq/system-info.c
@@ -1,11 +1,108 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
 #include "system-info.h"
 
-G_DEFINE_TYPE(ALSASeqSystemInfo, alsaseq_system_info, G_TYPE_OBJECT)
+#include <sound/asequencer.h>
+
+struct _ALSASeqSystemInfoPrivate {
+    struct snd_seq_system_info info;
+};
+G_DEFINE_TYPE_WITH_PRIVATE(ALSASeqSystemInfo, alsaseq_system_info, G_TYPE_OBJECT)
+
+enum seq_system_info_prop_type {
+    SEQ_SYSTEM_INFO_PROP_MAXIMUM_QUEUE_COUNT = 1,
+    SEQ_SYSTEM_INFO_PROP_MAXIMUM_CLIENT_COUNT,
+    SEQ_SYSTEM_INFO_PROP_MAXIMUM_PORT_COUNT,
+    SEQ_SYSTEM_INFO_PROP_MAXIMUM_CHANNEL_COUNT,
+    SEQ_SYSTEM_INFO_PROP_CURRENT_CLIENT_COUNT,
+    SEQ_SYSTEM_INFO_PROP_CURRENT_QUEUE_COUNT,
+    SEQ_SYSTEM_INFO_PROP_COUNT,
+};
+static GParamSpec *seq_system_info_props[SEQ_SYSTEM_INFO_PROP_COUNT] = { NULL, };
+
+static void seq_system_info_get_property(GObject *obj, guint id, GValue *val,
+                                         GParamSpec *spec)
+{
+    ALSASeqSystemInfo *self = ALSASEQ_SYSTEM_INFO(obj);
+    ALSASeqSystemInfoPrivate *priv =
+                                alsaseq_system_info_get_instance_private(self);
+
+    switch (id) {
+    case SEQ_SYSTEM_INFO_PROP_MAXIMUM_QUEUE_COUNT:
+        g_value_set_int(val, priv->info.queues);
+        break;
+    case SEQ_SYSTEM_INFO_PROP_MAXIMUM_CLIENT_COUNT:
+        g_value_set_int(val, priv->info.clients);
+        break;
+    case SEQ_SYSTEM_INFO_PROP_MAXIMUM_PORT_COUNT:
+        g_value_set_int(val, priv->info.ports);
+        break;
+    case SEQ_SYSTEM_INFO_PROP_MAXIMUM_CHANNEL_COUNT:
+        g_value_set_int(val, priv->info.channels);
+        break;
+    case SEQ_SYSTEM_INFO_PROP_CURRENT_CLIENT_COUNT:
+        g_value_set_int(val, priv->info.cur_clients);
+        break;
+    case SEQ_SYSTEM_INFO_PROP_CURRENT_QUEUE_COUNT:
+        g_value_set_int(val, priv->info.cur_queues);
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, id, spec);
+        break;
+    }
+}
 
 static void alsaseq_system_info_class_init(ALSASeqSystemInfoClass *klass)
 {
-    return;
+    GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+
+    gobject_class->get_property = seq_system_info_get_property;
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_MAXIMUM_QUEUE_COUNT] =
+        g_param_spec_int("maximum-queue-count", "maximum-queue-count",
+                         "The maximum number of available queues.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_MAXIMUM_CLIENT_COUNT] =
+        g_param_spec_int("maximum-client-count", "maximum-client-count",
+                         "The maximum number of clients.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_MAXIMUM_PORT_COUNT] =
+        g_param_spec_int("maximum-port-count", "maximum-port-count",
+                         "The maximum number of ports.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_MAXIMUM_CHANNEL_COUNT] =
+        g_param_spec_int("maximum-channel-count", "maximum-channel-count",
+                         "The maximum number of channels.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_CURRENT_CLIENT_COUNT] =
+        g_param_spec_int("current-client-count", "current-client-count",
+                         "The current number of clients.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    seq_system_info_props[SEQ_SYSTEM_INFO_PROP_CURRENT_QUEUE_COUNT] =
+        g_param_spec_int("current-queue-count", "current-queue-count",
+                         "The current number of queues.",
+                         0, G_MAXINT,
+                         0,
+                         G_PARAM_READABLE);
+
+    g_object_class_install_properties(gobject_class,
+                                      SEQ_SYSTEM_INFO_PROP_COUNT,
+                                      seq_system_info_props);
+
 }
 
 static void alsaseq_system_info_init(ALSASeqSystemInfo *self)
diff --git a/src/seq/system-info.h b/src/seq/system-info.h
index 4859170..ac190e5 100644
--- a/src/seq/system-info.h
+++ b/src/seq/system-info.h
@@ -31,9 +31,12 @@ G_BEGIN_DECLS
 
 typedef struct _ALSASeqSystemInfo           ALSASeqSystemInfo;
 typedef struct _ALSASeqSystemInfoClass      ALSASeqSystemInfoClass;
+typedef struct _ALSASeqSystemInfoPrivate    ALSASeqSystemInfoPrivate;
 
 struct _ALSASeqSystemInfo {
     GObject parent_instance;
+
+    ALSASeqSystemInfoPrivate *priv;
 };
 
 struct _ALSASeqSystemInfoClass {
diff --git a/tests/alsaseq-system-info b/tests/alsaseq-system-info
index 91a058c..22e5909 100644
--- a/tests/alsaseq-system-info
+++ b/tests/alsaseq-system-info
@@ -10,7 +10,14 @@ gi.require_version('ALSASeq', '0.0')
 from gi.repository import ALSASeq
 
 target = ALSASeq.SystemInfo()
-props = ()
+props = (
+    'maximum-queue-count',
+    'maximum-client-count',
+    'maximum-port-count',
+    'maximum-channel-count',
+    'current-client-count',
+    'current-queue-count',
+)
 methods = ()
 signals = ()
 
-- 
2.47.3