binding: bluetooth: provide org.bluez.MediaTransport1 access

Allow binding to report transport state and volume levels

Bug-AGL: SPEC-642
Change-Id: I5daad68a096b70b6401cde045704ee4226ef368f
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>

5 files changed, 85 insertions, 2 deletions

diff --git a/bluetooth-api.c b/bluetooth-api.c
index 34caac5..4a7092a 100644
--- a/bluetooth-api.c
+++ b/bluetooth-api.c
@@ -253,6 +253,20 @@ static json_object *new_json_object_from_device(struct btd_device *BDdevice, uns
         }
     }
 
+    if (BD_TRANSPORT_STATE & filter)
+    {
+        jstring = BDdevice->transport_state ?
+                  json_object_new_string(BDdevice->transport_state) :
+                  json_object_new_string("none");
+        json_object_object_add(jresp, "TransportState", jstring);
+    }
+
+    if (BD_TRANSPORT_VOLUME & filter)
+    {
+        json_object_object_add(jresp, "TransportVolume",
+                               json_object_new_int(BDdevice->transport_volume));
+    }
+
     if (BD_HFPCONNECTED & filter)
     {
         jstring = (TRUE == BDdevice->hfpconnected) ?
@@ -751,7 +765,8 @@ void bt_broadcast_device_removed(struct btd_device *BDdevice)
 void bt_broadcast_device_properties_change(struct btd_device *BDdevice)
 {
 
-    unsigned int filter = BD_ADDER|BD_NAME|BD_PAIRED|BD_ACLCONNECTED|BD_AVCONNECTED|BD_HFPCONNECTED|BD_AVRCP_TITLE|BD_AVRCP_ARTIST|BD_AVRCP_STATUS|BD_AVRCP_DURATION|BD_AVRCP_POSITION;
+    unsigned int filter = BD_ADDER|BD_NAME|BD_PAIRED|BD_ACLCONNECTED|BD_AVCONNECTED|BD_HFPCONNECTED|BD_AVRCP_TITLE|BD_AVRCP_ARTIST|BD_AVRCP_STATUS|BD_AVRCP_DURATION|BD_AVRCP_POSITION|BD_TRANSPORT_STATE|BD_TRANSPORT_VOLUME;
+
     int ret;
     json_object *jresp = new_json_object_from_device(BDdevice, filter);
 
diff --git a/bluetooth-api.h b/bluetooth-api.h
index 93629d9..4223ae0 100644
--- a/bluetooth-api.h
+++ b/bluetooth-api.h
@@ -38,6 +38,8 @@
 #define BD_AVRCP_STATUS LEFT_SHIFT(14)
 #define BD_AVRCP_DURATION LEFT_SHIFT(15)
 #define BD_AVRCP_POSITION LEFT_SHIFT(16)
+#define BD_TRANSPORT_STATE LEFT_SHIFT(17)
+#define BD_TRANSPORT_VOLUME LEFT_SHIFT(18)
 
 
 /* -------------- PLUGIN DEFINITIONS ----------------- */
diff --git a/bluetooth-manager.c b/bluetooth-manager.c
index 1f18f8b..7417624 100644
--- a/bluetooth-manager.c
+++ b/bluetooth-manager.c
@@ -175,6 +175,12 @@ void device_free(struct btd_device* device)
         device->avrcp_status = NULL;
     }
 
+    if (device->transport_state) {
+        D_PRINTF("transport_state:%s\n",device->transport_state);
+        g_free(device->transport_state);
+        device->transport_state = NULL;
+    }
+
     g_free(device);
 }
 
@@ -273,6 +279,58 @@ static int device_update_from_MediaControl1(struct btd_device *device,
     return 0;
 }
 
+/*
+ * update device from Interface org.bluez.MediaTransport1 properties
+ */
+static int device_update_from_MediaTransport1(struct btd_device *device,
+                                                     GVariant *value)
+{
+    GVariantIter iter;
+    const gchar *key;
+    GVariant *subValue;
+
+    if ((NULL==device) || (NULL==value))
+    {
+        return -1;
+    }
+
+    g_variant_iter_init (&iter, value);
+    while (g_variant_iter_next (&iter, "{&sv}", &key, &subValue))
+    {
+        //gchar *s = g_variant_print (subValue, TRUE);
+        //g_print ("  %s -> %s\n", key, s);
+        //g_free (s);
+
+        //gboolean value_b  =  FALSE;//b gboolean
+        //gchar value_c = 0;
+        //guchar value_y  =  0;//y guchar
+        //gint16 value_n  =  0;//n gint16
+        guint16 value_q  =  0;//q guint16
+        //gint32 value_i  =  0;//i gint32
+        //guint32 value_u  =  0;//u guint32
+        //gint64 value_x  =  0;//x gint64
+        //guint64 value_t  =  0;//t guint64
+        //gint32 value_h  = 0;//h gint32
+        //gdouble value_d = 0.0;//d gdouble
+        gchar *str;//d gdouble
+
+        if (0==g_strcmp0(key,"State")) {
+            g_variant_get(subValue, "s", &str);
+            D_PRINTF("State %s\n", str);
+            if (device->transport_state)
+                free(device->transport_state);
+            device->transport_state = g_strdup(str);
+        } else if (0==g_strcmp0(key,"Volume")) {
+            g_variant_get(subValue, "q", &value_q);
+            D_PRINTF("Volume %d\n", value_q);
+            device->transport_volume = value_q;
+        }
+    }
+
+    return 0;
+}
+
+
 static int device_update_from_Track(struct btd_device *device,
                                                      GVariant *value)
 {
@@ -683,6 +741,10 @@ bluez_device_properties_changed_cb (const gchar *pObjecPath,
 
         device_update_from_MediaPlayer1(device, properties);
 
+    } else if (0 == g_strcmp0(pInterface, MEDIA_TRANSPORT1_INTERFACE)) {
+
+	device_update_from_MediaTransport1(device, properties);
+
     }
 
     if (g_RegisterCallback.binding_device_properties_changed)
diff --git a/bluetooth-manager.h b/bluetooth-manager.h
index 9b7eee0..287a0a2 100644
--- a/bluetooth-manager.h
+++ b/bluetooth-manager.h
@@ -92,6 +92,7 @@
 #define MEDIA_FOLDER_INTERFACE      "org.bluez.MediaFolder"
 #define MEDIA_ITEM_INTERFACE        "org.bluez.MediaItem"
 #define MEDIA_TRANSPORT_INTERFACE   "org.bluez.MediaTransport"
+#define MEDIA_TRANSPORT1_INTERFACE  "org.bluez.MediaTransport1"
 #define MEDIA_CONTROL1_INTERFACE    "org.bluez.MediaControl1"
 
 
@@ -137,8 +138,10 @@ struct btd_device {
     gchar   *avrcp_title;
     gchar   *avrcp_artist;
     gchar   *avrcp_status;
+    gchar   *transport_state;
     guint32 avrcp_duration;
     guint32 avrcp_position;
+    guint16 transport_volume;
     gboolean    paired;
     gboolean    trusted;
     gboolean    connected;
diff --git a/bluez-client.c b/bluez-client.c
index e70df91..334a2b6 100644
--- a/bluez-client.c
+++ b/bluez-client.c
@@ -656,7 +656,8 @@ on_interface_proxy_properties_changed (GDBusObjectManagerClient *manager,
 
     if( (0 == g_strcmp0(pInterface, DEVICE_INTERFACE)) ||
         (0 == g_strcmp0(pInterface, MEDIA_CONTROL1_INTERFACE)) ||
-        (0 == g_strcmp0(pInterface, MEDIA_PLAYER1_INTERFACE))) {
+        (0 == g_strcmp0(pInterface, MEDIA_PLAYER1_INTERFACE)) ||
+        (0 == g_strcmp0(pInterface, MEDIA_TRANSPORT1_INTERFACE))) {
 
         if (bluez_RegisterCallback.device_properties_changed)
             bluez_RegisterCallback.device_properties_changed(pObjecPath,