From aab933d997a303f22864f8c1d843f6882a38d496 Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@nokia.com>
Date: Thu, 19 Nov 2009 14:18:53 +1000
Subject: Remove deleted states from the StateGroup.

---
 src/declarative/util/qmlstate.cpp      | 3 +++
 src/declarative/util/qmlstategroup.cpp | 9 +++++++++
 src/declarative/util/qmlstategroup_p.h | 1 +
 3 files changed, 13 insertions(+)

diff --git a/src/declarative/util/qmlstate.cpp b/src/declarative/util/qmlstate.cpp
index c05c539..5fde89a 100644
--- a/src/declarative/util/qmlstate.cpp
+++ b/src/declarative/util/qmlstate.cpp
@@ -161,6 +161,9 @@ QmlState::QmlState(QObject *parent)
 
 QmlState::~QmlState()
 {
+    Q_D(QmlState);
+    if (d->group)
+        d->group->removeState(this);
 }
 
 /*!
diff --git a/src/declarative/util/qmlstategroup.cpp b/src/declarative/util/qmlstategroup.cpp
index 506ab82..d6ce191 100644
--- a/src/declarative/util/qmlstategroup.cpp
+++ b/src/declarative/util/qmlstategroup.cpp
@@ -119,6 +119,9 @@ QmlStateGroup::QmlStateGroup(QObject *parent)
 
 QmlStateGroup::~QmlStateGroup()
 {
+    Q_D(const QmlStateGroup);
+    for (int i = 0; i < d->states.count(); ++i)
+        d->states.at(i)->setStateGroup(0);
 }
 
 QList<QmlState *> QmlStateGroup::states() const
@@ -380,4 +383,10 @@ QmlState *QmlStateGroup::findState(const QString &name) const
     return 0;
 }
 
+void QmlStateGroup::removeState(QmlState *state)
+{
+    Q_D(QmlStateGroup);
+    d->states.removeOne(state);
+}
+
 QT_END_NAMESPACE
diff --git a/src/declarative/util/qmlstategroup_p.h b/src/declarative/util/qmlstategroup_p.h
index f4c6d86..ddd27d7 100644
--- a/src/declarative/util/qmlstategroup_p.h
+++ b/src/declarative/util/qmlstategroup_p.h
@@ -83,6 +83,7 @@ Q_SIGNALS:
 private:
     friend class QmlState;
     void updateAutoState();
+    void removeState(QmlState *state);
 };
 
 QT_END_NAMESPACE
-- 
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