renderer: Check player if it can do time-seek

4 files changed, 27 insertions, 3 deletions

diff --git a/src/librygel-renderer-gst/rygel-playbin-player.vala b/src/librygel-renderer-gst/rygel-playbin-player.vala
index e7388fd5..26166997 100644
--- a/src/librygel-renderer-gst/rygel-playbin-player.vala
+++ b/src/librygel-renderer-gst/rygel-playbin-player.vala
@@ -206,6 +206,13 @@ public class Rygel.Playbin.Player : GLib.Object, Rygel.MediaPlayer {
         }
     }
 
+    public bool can_seek {
+        get {
+            return this.transfer_mode != TRANSFER_MODE_INTERACTIVE &&
+                   ! this.mime_type.has_prefix ("image/");
+        }
+    }
+
     private string _content_features = "";
     private ProtocolInfo protocol_info;
     public string? content_features {
diff --git a/src/librygel-renderer/rygel-media-player.vala b/src/librygel-renderer/rygel-media-player.vala
index 81a0acd2..68ecd0a1 100644
--- a/src/librygel-renderer/rygel-media-player.vala
+++ b/src/librygel-renderer/rygel-media-player.vala
@@ -54,6 +54,9 @@ public interface Rygel.MediaPlayer : GLib.Object {
     /// The mime-type of the currently-playing media
     public abstract string? mime_type { owned get; set; }
 
+    /// The current media supports time-based seeking
+    public abstract bool can_seek { get; }
+
     /**
      * The contents of the contentFeatures.dlna.org HTTP header,
      * containing the 4th field of the protocol info for the current
diff --git a/src/librygel-renderer/rygel-player-controller.vala b/src/librygel-renderer/rygel-player-controller.vala
index 2ac1c35e..4f4be7cd 100644
--- a/src/librygel-renderer/rygel-player-controller.vala
+++ b/src/librygel-renderer/rygel-player-controller.vala
@@ -77,16 +77,28 @@ internal class Rygel.PlayerController : Object {
 
     public string current_transport_actions {
         owned get {
+            string actions = null;
             switch (this._playback_state) {
                 case "PLAYING":
                 case "TRANSITIONING":
-                    return "Stop,Seek,X_DLNA_SeekTime,Pause";
+                    actions = "Stop,Seek,Pause";
+                    break;
                 case "STOPPED":
                 case "PAUSED_PLAYBACK":
-                    return "Play,Seek,X_DLNA_SeekTime";
+                    actions = "Play,Seek";
+                    break;
                 default:
-                    return "";
+                    break;
             }
+            if (actions != null && this.player.can_seek) {
+                actions += ",X_DLNA_SeekTime";
+            }
+
+            if (actions == null) {
+                return "";
+            }
+
+            return actions;
         }
     }
 
diff --git a/src/plugins/mpris/rygel-mpris-player.vala b/src/plugins/mpris/rygel-mpris-player.vala
index 80e95693..df12c1e6 100644
--- a/src/plugins/mpris/rygel-mpris-player.vala
+++ b/src/plugins/mpris/rygel-mpris-player.vala
@@ -87,6 +87,8 @@ public class Rygel.MPRIS.Player : GLib.Object, Rygel.MediaPlayer {
     public string? metadata { owned get; set; }
     public string? content_features { owned get; set; }
 
+    public bool can_seek { get { return true; } }
+
     public double volume {
         get {
             return this.actual_player.volume;