camerauis/cameraxui/cxui/inc/cxuiapplicationframeworkmonitor.h
branchRCL_3
changeset 23 61bc0f252b2b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxui/inc/cxuiapplicationframeworkmonitor.h	Tue Aug 31 15:03:46 2010 +0300
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2009 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 CXUIAPPLICATIONFRAMEWORKMONITOR_H
+#define CXUIAPPLICATIONFRAMEWORKMONITOR_H
+
+#include <QObject>
+
+class CxeSettings;
+class CxuiApplication;
+class CxuiApplicationFrameworkMonitorPrivate;
+
+/*!
+* Application Framework Monitor.
+*/
+class CxuiApplicationFrameworkMonitor : public QObject
+{
+    Q_OBJECT
+    Q_ENUMS(ForegroundState)
+
+public:
+    /*!
+    * Foreground state enumeration.
+    */
+    enum ForegroundState
+    {
+        /*! Note or dialog partially owns foreground */
+        ForegroundPartiallyLost,
+        /*! Other application owns foreground */
+        ForegroundFullyLost,
+        /*! This application owns foreground */
+        ForegroundOwned
+    };
+
+public:
+    CxuiApplicationFrameworkMonitor(CxuiApplication &application, CxeSettings &settings);
+    virtual ~CxuiApplicationFrameworkMonitor();
+
+public:
+    ForegroundState foregroundState() const;
+    bool isUsbMassMemoryModeActive() const;
+
+signals:
+    /*!
+    * Signal that foreground state has changed.
+    * @param t New foreground state.
+    */
+    void foregroundStateChanged(CxuiApplicationFrameworkMonitor::ForegroundState t);
+
+    /*!
+    * Signal battery being empty. Device is ecpected to power down at any moment.
+    */
+    void batteryEmpty();
+
+    /*!
+    * USB mass memory mode was just activated or deactivated.
+    * @param active If true, mass memory mode was activated, and mass memory cannot be accessed.
+    * Otherwise mass memory mode was deactivated, and mass memory is again accessible.
+    */
+    void usbMassMemoryModeToggled(bool active);
+
+
+private:
+    CxuiApplicationFrameworkMonitorPrivate *p;
+
+    friend class CxuiApplicationFrameworkMonitorPrivate;
+};
+
+#endif // CXUIAPPLICATIONFRAMEWORKMONITOR_H