Make the ECMAScript model a configurable feature

Introducing this feature allows our users to slim down the module.

Task-number: QTBUG-61960
Change-Id: I94215fd3c6dee9766a5f7479bec0440cdfe85ac1
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

7 files changed, 48 insertions, 6 deletions

diff --git a/src/scxml/configure.json b/src/scxml/configure.json
new file mode 100644
index 0000000..288373d
--- /dev/null
+++ b/src/scxml/configure.json
@@ -0,0 +1,21 @@
+{
+    "module": "scxml",
+
+    "features": {
+        "scxml-ecmascriptdatamodel": {
+            "label": "ECMAScript data model for QtScxml",
+            "purpose": "Enables the usage of ecmascript data models in SCXML state machines.",
+            "section": "SCXML",
+            "output": [ "publicFeature" ]
+        }
+    },
+
+    "summary": [
+        {
+            "section": "Qt Scxml",
+            "entries": [
+                "scxml-ecmascriptdatamodel"
+            ]
+        }
+    ]
+}
diff --git a/src/scxml/qscxmlcompiler.cpp b/src/scxml/qscxmlcompiler.cpp
index 61ad030..e2e9b4c 100644
--- a/src/scxml/qscxmlcompiler.cpp
+++ b/src/scxml/qscxmlcompiler.cpp
@@ -47,7 +47,6 @@
 #include <qstring.h>
 
 #ifndef BUILD_QSCXMLC
-#include "qscxmlecmascriptdatamodel.h"
 #include "qscxmlinvokableservice_p.h"
 #include "qscxmldatamodel_p.h"
 #include "qscxmlstatemachine_p.h"
diff --git a/src/scxml/qscxmldatamodel.cpp b/src/scxml/qscxmldatamodel.cpp
index 5f2ef2d..ab0ae7c 100644
--- a/src/scxml/qscxmldatamodel.cpp
+++ b/src/scxml/qscxmldatamodel.cpp
@@ -39,7 +39,9 @@
 
 #include "qscxmldatamodel_p.h"
 #include "qscxmlnulldatamodel.h"
+#if QT_CONFIG(scxml_ecmascriptdatamodel)
 #include "qscxmlecmascriptdatamodel.h"
+#endif
 #include "qscxmlstatemachine_p.h"
 
 QT_BEGIN_NAMESPACE
@@ -150,7 +152,9 @@ QScxmlDataModel *QScxmlDataModelPrivate::instantiateDataModel(DocumentModel::Scx
         dataModel = new QScxmlNullDataModel;
         break;
     case DocumentModel::Scxml::JSDataModel:
+#if QT_CONFIG(scxml_ecmascriptdatamodel)
         dataModel = new QScxmlEcmaScriptDataModel;
+#endif
         break;
     case DocumentModel::Scxml::CppDataModel:
         break;
diff --git a/src/scxml/qscxmlecmascriptdatamodel.h b/src/scxml/qscxmlecmascriptdatamodel.h
index 658df6d..16f29d4 100644
--- a/src/scxml/qscxmlecmascriptdatamodel.h
+++ b/src/scxml/qscxmlecmascriptdatamodel.h
@@ -40,9 +40,14 @@
 #ifndef QSCXMLECMASCRIPTDATAMODEL_H
 #define QSCXMLECMASCRIPTDATAMODEL_H
 
+#include <QtScxml/qscxmlglobals.h>
 #include <QtScxml/qscxmldatamodel.h>
 
 QT_BEGIN_NAMESPACE
+
+// We cannot use QT_REQUIRE_CONFIG here, because the feature name contains a dash.
+#if QT_CONFIG(scxml_ecmascriptdatamodel)
+
 class QScxmlEcmaScriptDataModelPrivate;
 class Q_SCXML_EXPORT QScxmlEcmaScriptDataModel: public QScxmlDataModel
 {
@@ -68,6 +73,8 @@ public:
     bool setScxmlProperty(const QString &name, const QVariant &value, const QString &context) override;
 };
 
+#endif // QT_CONFIG(scxml_ecmascriptdatamodel)
+
 QT_END_NAMESPACE
 
 #endif // QSCXMLECMASCRIPTDATAMODEL_H
diff --git a/src/scxml/qscxmlecmascriptplatformproperties_p.h b/src/scxml/qscxmlecmascriptplatformproperties_p.h
index b751bda..e7b8a09 100644
--- a/src/scxml/qscxmlecmascriptplatformproperties_p.h
+++ b/src/scxml/qscxmlecmascriptplatformproperties_p.h
@@ -58,6 +58,8 @@
 QT_FORWARD_DECLARE_CLASS(QJSEngine)
 QT_FORWARD_DECLARE_CLASS(QJSValue)
 
+QT_REQUIRE_CONFIG(scxml_ecmascriptdatamodel);
+
 QT_BEGIN_NAMESPACE
 
 class QScxmlStateMachine;
diff --git a/src/scxml/qscxmlglobals.h b/src/scxml/qscxmlglobals.h
index 8672aa1..da45a2b 100644
--- a/src/scxml/qscxmlglobals.h
+++ b/src/scxml/qscxmlglobals.h
@@ -40,6 +40,7 @@
 #ifndef QSCXMLGLOBALS_H
 #define QSCXMLGLOBALS_H
 #include <QtCore/qglobal.h>
+#include <QtScxml/qtscxml-config.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/scxml/scxml.pro b/src/scxml/scxml.pro
index 1f5bc25..c3a6aff 100644
--- a/src/scxml/scxml.pro
+++ b/src/scxml/scxml.pro
@@ -1,5 +1,5 @@
 TARGET = QtScxml
-QT = core-private qml-private
+QT = core-private
 MODULE_CONFIG += c++11 qscxmlc
 
 load(qt_module)
@@ -17,8 +17,6 @@ HEADERS += \
     qscxmlglobals.h \
     qscxmlglobals_p.h \
     qscxmlnulldatamodel.h \
-    qscxmlecmascriptdatamodel.h \
-    qscxmlecmascriptplatformproperties_p.h \
     qscxmlexecutablecontent.h \
     qscxmlexecutablecontent_p.h \
     qscxmlevent.h \
@@ -38,8 +36,6 @@ SOURCES += \
     qscxmlcompiler.cpp \
     qscxmlstatemachine.cpp \
     qscxmlnulldatamodel.cpp \
-    qscxmlecmascriptdatamodel.cpp \
-    qscxmlecmascriptplatformproperties.cpp \
     qscxmlexecutablecontent.cpp \
     qscxmlevent.cpp \
     qscxmldatamodel.cpp \
@@ -49,6 +45,18 @@ SOURCES += \
     qscxmltabledata.cpp \
     qscxmlstatemachineinfo.cpp
 
+qtConfig(scxml-ecmascriptdatamodel) {
+    QT += qml-private
+
+    HEADERS += \
+        qscxmlecmascriptdatamodel.h \
+        qscxmlecmascriptplatformproperties_p.h
+
+    SOURCES += \
+        qscxmlecmascriptdatamodel.cpp \
+        qscxmlecmascriptplatformproperties.cpp
+}
+
 FEATURES += ../../mkspecs/features/qscxmlc.prf
 features.files = $$FEATURES
 features.path = $$[QT_HOST_DATA]/mkspecs/features/