js: give access to transport object, to connect to play(), stop(), etc.

Author: jcelerier

src/plugins/score-plugin-engine/Execution/ExecutionController.hpp

@@ -30,7 +30,7 @@ using exec_setup_fun
 class SCORE_PLUGIN_ENGINE_EXPORT ExecutionController : public QObject
 {
 public:
-  ExecutionController(const score::GUIApplicationContext& ctx);
+  explicit ExecutionController(const score::GUIApplicationContext& ctx);
   ~ExecutionController();
 
   TransportInterface& transport() const noexcept;

src/plugins/score-plugin-js/JS/Qml/EditContext.hpp

@@ -294,6 +294,9 @@ class SCORE_PLUGIN_JS_EXPORT EditJsContext : public QObject
   void scrub(double z);
   W_SLOT(scrub)
 
+  QObject* transport();
+  W_INVOKABLE(transport)
+
   ////////////////
   /// File API ///
   QString readFile(QString path);

src/plugins/score-plugin-js/JS/Qml/EditContext.ossia.cpp

@@ -6,6 +6,8 @@
 
 #include <Engine/ApplicationPlugin.hpp>
 #include <JS/Qml/EditContext.hpp>
+
+#include <Transport/DocumentPlugin.hpp>
 namespace JS
 {
 
@@ -90,4 +92,11 @@ void EditJsContext::scrub(double dx)
 {
   // TODO
 }
+QObject* EditJsContext::transport()
+{
+  auto doc = ctx();
+  if(!doc)
+    return nullptr;
+  return doc->findPlugin<Transport::DocumentPlugin>();
+}
 }