--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/inc.nokialcdui/CMIDDeviceControl.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,164 @@
+/*
+* Copyright (c) 2005-2007 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:  Controls display backlight
+*
+*/
+
+
+
+#ifndef CMIDDEVICECONTROL_H
+#define CMIDDEVICECONTROL_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <lcdui.h>
+#include <hwrmlight.h>
+
+// CLASS DECLARATION
+
+/**
+*  Controls display backlight.
+*  With this class it is possible to set the backlight level.
+*
+*  @since 3.0
+*/
+NONSHARABLE_CLASS(CMIDDeviceControl): public CBase,
+        public MMIDComponent, public MHWRMLightObserver, public MMIDEnvObserver
+{
+public:  // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    * Leaves object in cleanup stack.
+    */
+    static CMIDDeviceControl* NewLC(MMIDEnv& aEnv);
+
+    /**
+    * Destructor.
+    */
+    virtual ~CMIDDeviceControl();
+
+public: // New functions
+
+    /**
+    * Gets the time since the last user activity.
+    * @return returns user inactivity time in seconds
+    * @since 9.1
+    */
+    void GetUserInactivityTimeL(TInt* aRetVal);
+    static void StaticGetUserInactivityTimeL(CMIDDeviceControl* aDC,
+            TInt* aRetVal);
+
+
+    /**
+    * Resets all user inactivity timers.
+    * Can be used to prevent e.g. screen saver to appear on screen.
+    * @since 9.1
+    */
+    void ResetUserInactivityTimeL();
+    static void StaticResetUserInactivityTimeL(CMIDDeviceControl* aDC);
+
+    /**
+    * Sets the backlight level.
+    * @since 3.0
+    * @param aLevel Backlight level, 0-100, 0 = off.
+    */
+    void SetLightL(TInt aLevel);
+    static void StaticSetLightL(CMIDDeviceControl* aDC, TInt aLevel);
+
+    /**
+     * Flashes the backlight for given duration
+     * @since 3.1
+     * @param aDuration Duration of flashing, in milliseconds
+     * @return ETrue if flashing is possible
+     */
+    TBool FlashBacklightL(TInt aDuration);
+    static void StaticFlashBacklightL(
+        CMIDDeviceControl* aDC,
+        TInt aDuration,
+        TBool* aRetVal);
+
+    /**
+     * Returns the backlight to sensor mode, and releases resources.
+     * @since 3.0
+     */
+    void Release();
+    static void StaticRelease(CMIDDeviceControl* aDC);
+
+public: // From MMIDComponent
+    void Dispose();
+
+public: // From MHWRMLightObserver
+    void LightStatusChanged(TInt aTarget,
+                            CHWRMLight::TLightStatus aStatus);
+
+
+    // From MMIDEnvObserver
+    void HandleSwitchOnL(TBool aSwitchOn);
+    void HandleForegroundL(TBool aForeground);
+    void HandleResourceChangeL(TInt aType);
+
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CMIDDeviceControl(MMIDEnv& aEnv);
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL();
+
+    /**
+     * Does the actual setting of lights
+     */
+    void DoSetLightsL(TInt aLevel);
+
+    /**
+     * Checks whether lights are blinking.
+     * @return ETrue if at least one supported light is blinking; else
+     * EFalse is returned.
+     */
+    TBool LightsBlinking();
+
+private:    // Data
+
+    MMIDEnv& iEnv;
+
+    // timestamp of start of flashing
+    TTime* iStartTime;
+
+    // remaining duration for flashing
+    TInt iDuration;
+
+
+    // Light Client API, owned
+    CHWRMLight* iLight;
+
+    // value of last setLights() call,
+    // KErrNotFound if setLights() hasn't been called yet
+    TInt iLightLevel;
+
+    // Bitmask having information which ones of the backlights
+    // are supported (primary/secondary displays and primary/secondary
+    // keyboards).
+    TInt iSupportedLights;
+
+};
+
+#endif // CMIDDEVICECONTROL_H
+
+// End of File