From b3f605aebb90dc651e73a252788a81cb530a74b9 Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@nokia.com>
Date: Fri, 18 Feb 2011 16:19:23 +1000
Subject: Stop the animation driver when there are no more animations.

Change-Id: If03c9e4539e984db725f7e7d89e8b565890fcbed
Reviewed-by: Gunnar Sletta
---
 src/corelib/animation/qabstractanimation.cpp | 3 ++-
 src/corelib/animation/qabstractanimation_p.h | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/corelib/animation/qabstractanimation.cpp b/src/corelib/animation/qabstractanimation.cpp
index 2d5cfab..a562542 100644
--- a/src/corelib/animation/qabstractanimation.cpp
+++ b/src/corelib/animation/qabstractanimation.cpp
@@ -254,7 +254,8 @@ void QUnifiedTimer::restartAnimationTimer()
     } else if (!driver->isRunning() || isPauseTimerActive) {
         driver->start();
         isPauseTimerActive = false;
-    }
+    } else if (runningLeafAnimations == 0)
+        driver->stop();
 }
 
 void QUnifiedTimer::setTimingInterval(int interval)
diff --git a/src/corelib/animation/qabstractanimation_p.h b/src/corelib/animation/qabstractanimation_p.h
index 1ab05cd..2c0eee7 100644
--- a/src/corelib/animation/qabstractanimation_p.h
+++ b/src/corelib/animation/qabstractanimation_p.h
@@ -184,6 +184,9 @@ public:
     void restartAnimationTimer();
     void updateAnimationsTime();
 
+    //useful for profiling/debugging
+    int runningAnimationCount() { return animations.count(); }
+
 protected:
     void timerEvent(QTimerEvent *);
 
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