From 80fc5bf17e5f049a395d6a5612843c69c5b0fde1 Mon Sep 17 00:00:00 2001
From: Roberto Raggi <roberto.raggi@nokia.com>
Date: Mon, 22 Feb 2010 12:21:06 +0100
Subject: Introduced QmlEngine::importExtension.

importExtension can be used to import QmlExtensionInterface(s) into a QmlEngine.
---
 src/declarative/qml/qmlengine.cpp | 21 ++++++++++++++++++++-
 src/declarative/qml/qmlengine.h   |  1 +
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/declarative/qml/qmlengine.cpp b/src/declarative/qml/qmlengine.cpp
index 7a60f9c..1f5caa5 100644
--- a/src/declarative/qml/qmlengine.cpp
+++ b/src/declarative/qml/qmlengine.cpp
@@ -67,7 +67,7 @@
 #include "qmlnetworkaccessmanagerfactory.h"
 #include "qmlimageprovider.h"
 #include "qmldirparser_p.h"
-
+#include "qmlextensioninterface.h"
 #include <qfxperf_p_p.h>
 
 #include <QtCore/qmetaobject.h>
@@ -82,6 +82,7 @@
 #include <QDebug>
 #include <QMetaObject>
 #include <QStack>
+#include <QPluginLoader>
 #include <QtCore/qlibraryinfo.h>
 #include <QtCore/qthreadstorage.h>
 #include <QtCore/qthread.h>
@@ -1530,6 +1531,24 @@ void QmlEngine::addImportPath(const QString& path)
 }
 
 /*!
+  Imports the given \a extension into this QmlEngine.  Returns
+  true if the extension was successfully imported.
+
+  \sa QmlExtensionInterface
+*/
+bool QmlEngine::importExtension(const QString &fileName)
+{
+    QPluginLoader loader(fileName);
+
+    if (QmlExtensionInterface *iface = qobject_cast<QmlExtensionInterface *>(loader.instance())) {
+        iface->initialize(this);
+        return true;
+    }
+
+    return false;
+}
+
+/*!
   \property QmlEngine::offlineStoragePath
   \brief the directory for storing offline user data
 
diff --git a/src/declarative/qml/qmlengine.h b/src/declarative/qml/qmlengine.h
index 64d0b9d..13a67b0 100644
--- a/src/declarative/qml/qmlengine.h
+++ b/src/declarative/qml/qmlengine.h
@@ -78,6 +78,7 @@ public:
     void clearComponentCache();
 
     void addImportPath(const QString& dir);
+    bool importExtension(const QString &fileName);
 
     void setNetworkAccessManagerFactory(QmlNetworkAccessManagerFactory *);
     QmlNetworkAccessManagerFactory *networkAccessManagerFactory() const;
-- 
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