Add command support on aspects and QAspectEngine

Change-Id: I5c3847a2779b691a2748083fb768b37d1f629274
Task-Id: QTBUG-49683
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

4 files changed, 41 insertions, 0 deletions

diff --git a/src/core/aspects/qabstractaspect.cpp b/src/core/aspects/qabstractaspect.cpp
index e234a806a..8c2e58939 100644
--- a/src/core/aspects/qabstractaspect.cpp
+++ b/src/core/aspects/qabstractaspect.cpp
@@ -92,6 +92,12 @@ void QAbstractAspect::registerBackendType(const QMetaObject &obj, const QBackend
     d->m_backendCreatorFunctors.insert(className(obj), functor);
 }
 
+QVariant QAbstractAspect::executeCommand(const QStringList &args)
+{
+    Q_UNUSED(args);
+    return QVariant();
+}
+
 QBackendNode *QAbstractAspect::createBackendNode(QNode *frontend) const
 {
     Q_D(const QAbstractAspect);
diff --git a/src/core/aspects/qabstractaspect.h b/src/core/aspects/qabstractaspect.h
index d3ec2d739..1aec7aa5f 100644
--- a/src/core/aspects/qabstractaspect.h
+++ b/src/core/aspects/qabstractaspect.h
@@ -81,6 +81,8 @@ public:
     void registerBackendType(const QBackendNodeFunctorPtr &functor);
     void registerBackendType(const QMetaObject &, const QBackendNodeFunctorPtr &functor);
 
+    virtual QVariant executeCommand(const QStringList &args);
+
 protected:
     QAbstractAspect(QAbstractAspectPrivate &dd, QObject *parent = 0);
 
diff --git a/src/core/aspects/qaspectengine.cpp b/src/core/aspects/qaspectengine.cpp
index f044ef359..21b90090d 100644
--- a/src/core/aspects/qaspectengine.cpp
+++ b/src/core/aspects/qaspectengine.cpp
@@ -239,6 +239,37 @@ QList<QAbstractAspect *> QAspectEngine::aspects() const
     return d->m_aspects;
 }
 
+QVariant QAspectEngine::executeCommand(const QString &command)
+{
+    Q_D(QAspectEngine);
+
+    if (command == QLatin1Literal("list aspects")) {
+        if (d->m_aspects.isEmpty())
+            return QLatin1Literal("No loaded aspect");
+
+        QStringList reply;
+        reply << QLatin1Literal("Loaded aspects:");
+        foreach (QAbstractAspect *aspect, d->m_aspects) {
+            const QString name = d->m_factory.aspectName(aspect);
+            if (!name.isEmpty())
+                reply << (QLatin1Literal(" * ") + name);
+            else
+                reply << QLatin1Literal(" * <unnamed>");
+        }
+        return reply.join(QLatin1Char('\n'));
+    }
+
+    QStringList args = command.split(QLatin1Char(' '));
+    QString aspectName = args.takeFirst();
+
+    foreach (QAbstractAspect *aspect, d->m_aspects) {
+        if (aspectName == d->m_factory.aspectName(aspect))
+            return aspect->executeCommand(args);
+    }
+
+    return QVariant();
+}
+
 void QAspectEngine::setRootEntity(QEntity *root)
 {
     qCDebug(Aspects) << "Setting scene root on aspect manager";
diff --git a/src/core/aspects/qaspectengine.h b/src/core/aspects/qaspectengine.h
index fca3256f2..4dcc7a803 100644
--- a/src/core/aspects/qaspectengine.h
+++ b/src/core/aspects/qaspectengine.h
@@ -71,6 +71,8 @@ public:
 
     QList<QAbstractAspect*> aspects() const;
 
+    QVariant executeCommand(const QString &command);
+
 protected:
     Q_DECLARE_PRIVATE(QAspectEngine)
     QAspectEngine(QAspectEnginePrivate &dd, QObject *parent = 0);