diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c61bfe49..6a56a33c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -366,7 +366,6 @@ endif(PHONON_FOUND)
 
 install(FILES
     animations/animation.h
-    animations/pendulumcurve.h
     DESTINATION ${INCLUDE_INSTALL_DIR}/plasma/animations COMPONENT Devel)
 
 
diff --git a/animations/pendulumcurve.cpp b/animations/pendulumcurve.cpp
index 27a95f3e7..8a328843c 100644
--- a/animations/pendulumcurve.cpp
+++ b/animations/pendulumcurve.cpp
@@ -15,7 +15,7 @@
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "pendulumcurve.h"
+#include "pendulumcurve_p.h"
 
 /**
  * This static method is used to create a custom easing curve type.
diff --git a/animations/pendulumcurve.h b/animations/pendulumcurve_p.h
similarity index 83%
rename from animations/pendulumcurve.h
rename to animations/pendulumcurve_p.h
index 3d64e9bd7..b46d6912a 100644
--- a/animations/pendulumcurve.h
+++ b/animations/pendulumcurve_p.h
@@ -15,13 +15,11 @@
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef PLASMA_ANIMATIONS_PENDULUMCURVE_H
-#define PLASMA_ANIMATIONS_PENDULUMCURVE_H
+#ifndef PLASMA_ANIMATIONS_PENDULUMCURVE_P_H
+#define PLASMA_ANIMATIONS_PENDULUMCURVE_P_H
 
 #include <QtCore/QEasingCurve>
 
-#include <plasma/plasma_export.h>
-
 namespace Plasma
 {
 
@@ -32,7 +30,7 @@ namespace Plasma
  * This easing curve provides values which are split in 4 parts:
  * from 0 to 1, from 1 to 0, from 0 to -1, and from -1 to 0, in a linear way.
  */
-class PLASMA_EXPORT PendulumCurve : public QEasingCurve
+class PendulumCurve : public QEasingCurve
 {
 public:
     /**
@@ -43,4 +41,4 @@ public:
 
 } // namespace Plasma
 
-#endif // PLASMA_ANIMATIONS_PENDULUMCURVE_H
+#endif // PLASMA_ANIMATIONS_PENDULUMCURVE_P_H
diff --git a/animator.cpp b/animator.cpp
index 344bdebe7..19f0d1635 100644
--- a/animator.cpp
+++ b/animator.cpp
@@ -32,6 +32,8 @@
 #include "animations/pixmaptransition_p.h"
 #include "animations/water_p.h"
 
+#include "animations/pendulumcurve_p.h"
+
 namespace Plasma
 {
 
@@ -87,6 +89,39 @@ Plasma::Animation* Animator::create(Animator::Animation type, QObject *parent)
     return result;
 }
 
+QEasingCurve Animator::easingCurve(Animator::CurveShape type)
+{
+    QEasingCurve result;
+
+    switch (type) {
+    case EaseInCurve:
+        result.setType(QEasingCurve::InQuad);
+        break;
+
+    case EaseOutCurve:
+        result.setType(QEasingCurve::OutQuad);
+        break;
+
+    case EaseInOutCurve:
+        result.setType(QEasingCurve::InOutQuad);
+        break;
+
+    case LinearCurve:
+        result.setType(QEasingCurve::Linear);
+        break;
+
+    case PendularCurve:
+        result = PendulumCurve();
+        break;
+
+    default:
+        kDebug() << "Unsupported easing curve type.";
+        break;
+    }
+
+    return result;
+}
+
 } // namespace Plasma
 
 #include <animator.moc>
diff --git a/animator.h b/animator.h
index 7aaa4b158..5fd5f539c 100644
--- a/animator.h
+++ b/animator.h
@@ -24,6 +24,7 @@
 #include <QtGui/QImage>
 #include <QtCore/QObject>
 #include <QtCore/QAbstractAnimation>
+#include <QtCore/QEasingCurve>
 
 #include <plasma/plasma_export.h>
 
@@ -74,7 +75,8 @@ public:
         EaseInCurve = 0,
         EaseOutCurve,
         EaseInOutCurve,
-        LinearCurve
+        LinearCurve,
+        PendularCurve
     };
 
     enum Movement {
@@ -95,6 +97,11 @@ public:
      **/
     static Plasma::Animation *create(Animator::Animation type, QObject *parent = 0);
 
+    /**
+     * Factory to build new custom easing curves.
+     */
+    static QEasingCurve easingCurve(Animator::CurveShape type);
+
     /**
      * Starts a standard animation on a QGraphicsItem.
      *