Frontend Services: Extend action methods.

Add an optional context filter to GetActionList and add a new
GetContextList method.

Author: Mark Kendall

mythtv/libs/libmythservicecontracts/services/frontendServices.h

@@ -23,7 +23,10 @@ class SERVICE_PUBLIC FrontendServices : public Service
     virtual bool                 SendAction(const QString &Action,
                                             const QString &File,
                                             uint Width, uint Height) = 0;
-    virtual DTC::FrontendActionList* GetActionList(void) = 0;
+    virtual QStringList          GetContextList(void) = 0;
+    virtual DTC::FrontendActionList* GetActionList(const QString &Context) = 0;
+
+
 };
 
 #endif // FRONTENDSERVICES_H

mythtv/programs/mythfrontend/services/frontend.cpp

@@ -71,7 +71,13 @@ bool Frontend::SendAction(const QString &Action, const QString &File,
     return true;
 }
 
-DTC::FrontendActionList* Frontend::GetActionList(void)
+QStringList Frontend::GetContextList(void)
+{
+    InitialiseActions();
+    return gActionDescriptions.keys();
+}
+
+DTC::FrontendActionList* Frontend::GetActionList(const QString &Context)
 {
     DTC::FrontendActionList *list = new DTC::FrontendActionList();
 
@@ -81,6 +87,9 @@ DTC::FrontendActionList* Frontend::GetActionList(void)
     while (contexts.hasNext())
     {
         contexts.next();
+        if (!Context.isEmpty() && contexts.key() != Context)
+            continue;
+
         // TODO can we keep the context data with QMap<QString, QStringList>?
         QStringList actions = contexts.value();
         foreach (QString action, actions)

mythtv/programs/mythfrontend/services/frontend.h

@@ -18,7 +18,9 @@ class Frontend : public FrontendServices
     bool                 SendMessage(const QString &Message);
     bool                 SendAction(const QString &Action, const QString &File,
                                     uint Width, uint Height);
-    DTC::FrontendActionList* GetActionList(void);
+    QStringList          GetContextList(void);
+    DTC::FrontendActionList* GetActionList(const QString &Context);
+
 
     static bool          IsValidAction(const QString &action);
     static void          InitialiseActions(void);