[gnome-games] ui: Make DisplayHeaderBar use MediaMenuButton

[Adrien Plazas <aplazas src gnome org>]

commit 4f899bdcca6ee8699e694f035d217dc0bc7720b4
Author: Ricard Gascons <gascons1995 gmail com>
Date:   Thu Aug 18 16:34:09 2016 +0200

    ui: Make DisplayHeaderBar use MediaMenuButton
    
    Make DisplayHeaderBar use MediaMenuButton and MediaSet so it can be
    later used by a subsequent commit by ApplicationWindow.
    
    This is part of a series of commits to add multi-source support.

 data/ui/display-header-bar.ui  |   10 ++++++++++
 src/ui/display-header-bar.vala |   19 +++++++++++++++++++
 2 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/display-header-bar.ui b/data/ui/display-header-bar.ui
index 67d00af..54613f4 100644
--- a/data/ui/display-header-bar.ui
+++ b/data/ui/display-header-bar.ui
@@ -82,5 +82,15 @@
         <property name="pack-type">end</property>
       </packing>
     </child>
+    <child>
+      <object class="GamesMediaMenuButton" id="media_button">
+        <property name="visible">True</property>
+        <property name="valign">center</property>
+        <property name="use-underline">True</property>
+      </object>
+      <packing>
+        <property name="pack-type">end</property>
+      </packing>
+    </child>
   </template>
 </interface>
diff --git a/src/ui/display-header-bar.vala b/src/ui/display-header-bar.vala
index 85863b8..f9d7a21 100644
--- a/src/ui/display-header-bar.vala
+++ b/src/ui/display-header-bar.vala
@@ -4,6 +4,9 @@
 private class Games.DisplayHeaderBar : Gtk.HeaderBar {
        public signal void back ();
 
+       [GtkChild]
+       private MediaMenuButton media_button;
+
        public string game_title {
                set { title = value; }
        }
@@ -11,12 +14,28 @@ private class Games.DisplayHeaderBar : Gtk.HeaderBar {
        public bool can_fullscreen { set; get; }
        public bool is_fullscreen { set; get; }
 
+       public MediaSet? media_set {
+               set {
+                       media_button.media_set = value;
+                       media_selector.media_set = value;
+               }
+       }
+
+       private MediaSelector media_selector;
+
        [GtkChild]
        private Gtk.Button fullscreen;
 
        [GtkChild]
        private Gtk.Button restore;
 
+       construct {
+               media_selector = new MediaSelector ();
+               media_selector.set_relative_to (media_button);
+               media_button.set_popover (media_selector);
+               media_button.show ();
+       }
+
        [GtkCallback]
        private void on_fullscrren_changed () {
                fullscreen.visible = can_fullscreen && !is_fullscreen;