diff -r 2922f70fca82 -r 67457b2ffb33 camerauis/cameraxui/cxui/inc/cxuiapplicationstate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxui/inc/cxuiapplicationstate.h	Thu Jul 15 01:52:14 2010 +0300
@@ -0,0 +1,88 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef CXUIAPPLICATIONSTATE_H
+#define CXUIAPPLICATIONSTATE_H
+
+#include <QObject>
+#include "cxeerror.h"
+#include "cxuiapplicationframeworkmonitor.h"
+
+class CxuiApplication;
+class CxuiCaptureKeyHandler;
+class CxeSettings;
+class CxuiDocumentLoader;
+class CxuiErrorManager;
+class CxuiEventLog;
+
+
+/*!
+* @brief Class maintaining application overall state.
+*/
+class CxuiApplicationState : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(State)
+
+public:
+
+    enum State {
+        Normal,
+        Standby,
+        Error,
+        Background
+    };
+
+    CxuiApplicationState(CxuiApplication &application,
+                         CxeSettings &settings,
+                         CxuiCaptureKeyHandler &keyHandler,
+                         CxuiDocumentLoader *documentLoader);
+    ~CxuiApplicationState();
+
+
+public:
+    State currentState() const;
+
+signals:
+    void stateChanged(CxuiApplicationState::State newState,
+                      CxuiApplicationState::State oldState);
+
+public slots:
+    void startMonitoring();
+    void handleApplicationError(CxeError::Id error);
+    void enterStandby();
+    void exitStandby();
+
+private slots:
+    void handleForegroundStateChanged(CxuiApplicationFrameworkMonitor::ForegroundState state);
+    void handleUsbMassMemoryModeChanged(bool active);
+    void handleBatteryEmpty();
+    void handleSevereError();
+    void handleErrorCleared();
+
+private:
+    void setState(State newState);
+    void checkErrors();
+
+private:
+    State mState;
+    CxuiApplicationFrameworkMonitor *mApplicationMonitor;
+    CxuiErrorManager *mErrorManager;
+    CxuiEventLog *mEventLog;
+};
+
+#endif // CXUIAPPLICATIONSTATE_H