tdf#101524: seeking position shouldn't pause video playback

Change-Id: I846043815cdd41620f96c31843a77bea3d2db82f
Reviewed-on: https://gerrit.libreoffice.org/71596
Tested-by: Jenkins
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

avmedia/source/framework/MediaControlBase.cxx

@@ -163,7 +163,7 @@ void MediaControlBase::UpdateToolBoxes(MediaItem aMediaItem)
             mpPlayToolBox->CheckItem( AVMEDIA_TOOLBOXITEM_PAUSE, false );
             mpPlayToolBox->CheckItem( AVMEDIA_TOOLBOXITEM_STOP, false );
         }
-        else if( aMediaItem.getTime() > 0.0 && ( aMediaItem.getTime() < aMediaItem.getDuration() ) )
+        else if( aMediaItem.getState() == MediaState::Pause )
         {
             mpPlayToolBox->CheckItem( AVMEDIA_TOOLBOXITEM_PLAY, false );
             mpPlayToolBox->CheckItem( AVMEDIA_TOOLBOXITEM_PAUSE );

avmedia/source/framework/mediacontrol.cxx

@@ -274,6 +274,8 @@ IMPL_LINK( MediaControl, implTimeEndHdl, Slider*, p, void )
     MediaItem aExecItem;
 
     aExecItem.setTime( p->GetThumbPos() * maItem.getDuration() / AVMEDIA_TIME_RANGE );
+    // keep state (if the media was playing, keep it playing)
+    aExecItem.setState(maItem.getState());
     execute( aExecItem );
     update();
     maIdle.Start();