1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Definitions for the display object of none type

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_SCREENSAVERCTRLNONE_H

    21 #define C_SCREENSAVERCTRLNONE_H

    22 

    23 #include "screensaverbase.h"

    24 

    25 /**

    26  * The none type of the display object to cut off the screen light  

    27  */

    28 class CScreensaverCtrlNone : public CScreensaverBase

    29     {

    30 public:

    31     /**

    32     * The symbian c++ constructor

    33     */

    34     static CScreensaverCtrlNone* NewL();

    35     

    36     

    37     /**

    38     * destructor

    39     */

    40     ~CScreensaverCtrlNone();

    41 

    42     /**

    43     * Start the control needed timer

    44     */

    45     void StartTimer();

    46     

    47     /**

    48     * Cancels the timer

    49     */

    50     void CancelTimer();

    51     

    52     /**

    53     * Show the control

    54     */

    55     void DrawObject();

    56     

    57     /**

    58     * Clear the screen

    59     */

    60     void ClearScreen();

    61     

    62     /*

    63     * Refresh the display 

    64     */

    65     void Refresh();

    66     

    67 public:

    68     // From CCoeControl

    69     

    70     /** 

    71     * Resource change handling  

    72     */

    73     void HandleResourceChange( TInt aType );

    74 

    75     /**

    76     * Responds to changes to the size and position of the contents 

    77     * of this control.  

    78     */

    79     void SizeChanged();

    80     

    81     /**

    82      * Draw

    83      * @see CCoeControl::Draw(const TRect& aRect)

    84      */

    85     void Draw( const TRect& aRect ) const;

    86     

    87 private:

    88 

    89     /**

    90     *The Default C++ constructor   

    91     */

    92     CScreensaverCtrlNone();

    93     

    94     /**

    95     * The two-phased constructor

    96     */

    97     void ConstructL();

    98 

    99     /**

   100     * Switch off light in aSecs

   101     * 

   102     * @param aSecs after this seconds, screen will switch light

   103     */

   104     void SwitchLights( TInt aSecs );

   105     

   106     /**

   107     * Switch on/off the screen

   108     */

   109     void SwitchDisplayState( TInt aState );

   110     

   111     };

   112 

   113 #endif // C_SCREENSAVERCTRLNONE_H