[PATCH spice-gtk 01/15] audio: do not access session private struct

[Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>]

---
 gtk/spice-audio.c        | 50 ++++++++++--------------------------------------
 gtk/spice-session-priv.h |  1 +
 gtk/spice-session.c      | 42 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 40 deletions(-)

diff --git a/gtk/spice-audio.c b/gtk/spice-audio.c
index 638f667..7754736 100644
--- a/gtk/spice-audio.c
+++ b/gtk/spice-audio.c
@@ -166,17 +166,18 @@ static void connect_channel(SpiceAudio *self, SpiceChannel *channel)
 
 static void update_audio_channels(SpiceAudio *self, SpiceSession *session)
 {
-    if (session->priv->audio) {
-        GList *list, *tmp;
-
-        list = spice_session_get_channels(session);
-        for (tmp = g_list_first(list); tmp != NULL; tmp = g_list_next(tmp)) {
-            connect_channel(self, tmp->data);
-        }
-        g_list_free(list);
-    } else {
+    GList *list, *tmp;
+
+    if (!spice_session_get_audio_enabled(session)) {
         g_debug("FIXME: disconnect audio channels");
+        return;
+    }
+
+    list = spice_session_get_channels(session);
+    for (tmp = g_list_first(list); tmp != NULL; tmp = g_list_next(tmp)) {
+        connect_channel(self, tmp->data);
     }
+    g_list_free(list);
 }
 
 static void channel_new(SpiceSession *session, SpiceChannel *channel, SpiceAudio *self)
@@ -229,34 +230,3 @@ SpiceAudio *spice_audio_new(SpiceSession *session, GMainContext *context,
 
     return self;
 }
-
-/**
- * spice_audio_get:
- * @session: the #SpiceSession to connect to
- * @context: (allow-none): a #GMainContext to attach to (or %NULL for default).
- *
- * Gets the #SpiceAudio associated with the passed in #SpiceSession.
- * A new #SpiceAudio instance will be created the first time this
- * function is called for a certain #SpiceSession.
- *
- * Note that this function returns a weak reference, which should not be used
- * after the #SpiceSession itself has been unref-ed by the caller.
- *
- * Returns: (transfer none): a weak reference to a #SpiceAudio
- * instance or %NULL if failed.
- **/
-SpiceAudio *spice_audio_get(SpiceSession *session, GMainContext *context)
-{
-    static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
-    SpiceAudio *self;
-
-    g_static_mutex_lock(&mutex);
-    self = session->priv->audio_manager;
-    if (self == NULL) {
-        self = spice_audio_new(session, context, NULL);
-        session->priv->audio_manager = self;
-    }
-    g_static_mutex_unlock(&mutex);
-
-    return self;
-}
diff --git a/gtk/spice-session-priv.h b/gtk/spice-session-priv.h
index 8e102e0..55e2ed2 100644
--- a/gtk/spice-session-priv.h
+++ b/gtk/spice-session-priv.h
@@ -172,6 +172,7 @@ guint32 spice_session_get_playback_latency(SpiceSession *session);
 void spice_session_sync_playback_latency(SpiceSession *session);
 const gchar* spice_session_get_shared_dir(SpiceSession *session);
 void spice_session_set_shared_dir(SpiceSession *session, const gchar *dir);
+gboolean spice_session_get_audio_enabled(SpiceSession *session);
 
 G_END_DECLS
 
diff --git a/gtk/spice-session.c b/gtk/spice-session.c
index c44a3e1..948c238 100644
--- a/gtk/spice-session.c
+++ b/gtk/spice-session.c
@@ -32,6 +32,7 @@
 #include "wocky-http-proxy.h"
 #include "spice-uri-priv.h"
 #include "channel-playback-priv.h"
+#include "spice-audio.h"
 
 struct channel {
     SpiceChannel      *channel;
@@ -2279,3 +2280,44 @@ SpiceURI *spice_session_get_proxy_uri(SpiceSession *session)
 
     return s->proxy;
 }
+
+/**
+ * spice_audio_get:
+ * @session: the #SpiceSession to connect to
+ * @context: (allow-none): a #GMainContext to attach to (or %NULL for default).
+ *
+ * Gets the #SpiceAudio associated with the passed in #SpiceSession.
+ * A new #SpiceAudio instance will be created the first time this
+ * function is called for a certain #SpiceSession.
+ *
+ * Note that this function returns a weak reference, which should not be used
+ * after the #SpiceSession itself has been unref-ed by the caller.
+ *
+ * Returns: (transfer none): a weak reference to a #SpiceAudio
+ * instance or %NULL if failed.
+ **/
+SpiceAudio *spice_audio_get(SpiceSession *session, GMainContext *context)
+{
+    static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
+    SpiceAudio *self;
+
+    g_return_val_if_fail(SPICE_IS_SESSION(session), NULL);
+
+    g_static_mutex_lock(&mutex);
+    self = session->priv->audio_manager;
+    if (self == NULL) {
+        self = spice_audio_new(session, context, NULL);
+        session->priv->audio_manager = self;
+    }
+    g_static_mutex_unlock(&mutex);
+
+    return self;
+}
+
+G_GNUC_INTERNAL
+gboolean spice_session_get_audio_enabled(SpiceSession *session)
+{
+    g_return_val_if_fail(SPICE_IS_SESSION(session), FALSE);
+
+    return session->priv->audio;
+}
-- 
2.1.0

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