1 /*

     2 * Copyright (c) 2004-2006 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:  Background task for creating views.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_PSLNIDLETASKCREATEVIEWS_H

    20 #define C_PSLNIDLETASKCREATEVIEWS_H

    21 

    22 #include <e32base.h>

    23 

    24 class CPslnUi;

    25 

    26 /**

    27  *  Creates Themes application views in the background when application 

    28  *  is idle.

    29  *  @since S60 v3.1

    30  */

    31 class CPslnIdleTaskCreateViews : public CBase

    32     {

    33 public:

    34 

    35     /**

    36     * Two-phased constructor.

    37     * @param aPslnUi pointer to UI class.

    38     * @return new instance of CPslnIdleTaskCreateViews.

    39     */

    40     static CPslnIdleTaskCreateViews* NewL( CPslnUi* aPslnUi );

    41     

    42     /**

    43     * Destructor.

    44     */

    45     virtual ~CPslnIdleTaskCreateViews();

    46 

    47     /**

    48     * From MAknBackgroundProcess.

    49     * Return ETrue when the process is done.

    50     * @return ETrue if process is ready.

    51     */

    52     TBool IsFinished() const;

    53 

    54 private:

    55 

    56     /**

    57     * Callback when idle time occurs.

    58     */

    59     static TInt DoHandleIdleTimeL( TAny* aAny );

    60 

    61     /**

    62     * When idle time occurs, creates a new view, until all views

    63     * have been created.

    64     */

    65     void HandleIdleTimeL();

    66 

    67     /**

    68     * C++ constructor.

    69     */

    70     CPslnIdleTaskCreateViews( CPslnUi* aPslnUi );

    71 

    72     /**

    73     * By default Symbian 2nd phase constructor is private.

    74     */

    75     void ConstructL();

    76 

    77 private: // data

    78 

    79     /**

    80     * Reference to Psln UI class.

    81     * Not own.

    82     */

    83     CPslnUi* iPslnUi;

    84 

    85     /**

    86     * Has the task been done.

    87     */

    88     TBool iDone;

    89 

    90     /**

    91     * Internal state.

    92     */

    93     TInt iIdleStep;

    94 

    95     /**

    96     * Idle task that creates views in the background.

    97     * Own.

    98     */

    99     CIdle* iIdleTask;

   100     };

   101 

   102 #endif // C_PSLNIDLETASKCREATEVIEWS_H