landmarksui/uicontrols/inc/lmkwaitdlglauncher.h
branchRCL_3
changeset 17 1fc85118c3ae
parent 16 8173571d354e
child 18 870918037e16
equal deleted inserted replaced
16:8173571d354e 17:1fc85118c3ae
     1 /*
       
     2 * Copyright (c) 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:    LandmarksUi Content File -    Encapuslates the Wait dialog in an Active Object interface
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 
       
    24 #ifndef CLMWAITDLGLAUNCHER_H
       
    25 #define CLMWAITDLGLAUNCHER_H
       
    26 
       
    27 // System Includes
       
    28 #include <AknWaitDialog.h>
       
    29 #include <AknProgressDialog.h>
       
    30 #include <e32base.h>
       
    31 
       
    32 // Class Declaration
       
    33 /**
       
    34 * MLmkDlgMenuObserver class
       
    35 */
       
    36 class MLmkWaitDialogLauncherObserver
       
    37     {
       
    38     public: // New functions
       
    39         virtual void HandleDialogDismissed( TInt aButtonId ) = 0;
       
    40     };
       
    41 /**
       
    42  * Class used to encapsulate the AknWaitDialog in an Active object interface.
       
    43  * Provides the functionality to launch the Wait dialog in an asynchronous mode
       
    44  * so that the current running context is not blocked.
       
    45  */
       
    46 NONSHARABLE_CLASS ( CLmkWaitDialogLauncher ) : public CActive,
       
    47                                                public MProgressDialogCallback
       
    48     {
       
    49     public:
       
    50         /**
       
    51          * Two phased constructor for creating the Wait dialog launcher.
       
    52          *
       
    53          * @return CLmkWaitDialogLauncher* Pointer to the created object.
       
    54          */
       
    55         static CLmkWaitDialogLauncher* NewL();
       
    56 
       
    57         /**
       
    58          * Destructor.
       
    59          */
       
    60         ~CLmkWaitDialogLauncher();
       
    61 
       
    62         /**
       
    63          * Issues an asynchronous request to start the Wait dialog. The termination
       
    64          * of the dialog either when User terminated or when terminated using the
       
    65          * StopWaitingDialog call will be notified using the MProgressDialogCallback
       
    66          * observer object.
       
    67          */
       
    68         void StartWaitDialogL();
       
    69 
       
    70         /**
       
    71          * Issues an asynchronous request to the stop the running Wait dialog. The
       
    72          * actual dismissal of the dialog will be communicated using the
       
    73          * MProgressDialogCallback observer object.
       
    74          *
       
    75          * @return TInt The Button ID with which the dialog was dismissed
       
    76          */
       
    77         TInt StopWaitDialogL();
       
    78 
       
    79         /**
       
    80          * Sets an observer, so that, client can be notified about the
       
    81          * button id, after the dialog dismissal.
       
    82          */
       
    83         void SetObserver( MLmkWaitDialogLauncherObserver* aObserver);
       
    84 
       
    85     private:
       
    86         /**
       
    87          * Inherited from MProgressDialogCallback. The scope of the function is
       
    88          * made private since, this should be called only from the
       
    89          * MProgressDialogCallback interface and from the Wait dialog alone.
       
    90          */
       
    91         void DialogDismissedL( TInt aButtonId );
       
    92 
       
    93     private:
       
    94         /**
       
    95          * Overloaded C++ constructor
       
    96          */
       
    97         CLmkWaitDialogLauncher();
       
    98 
       
    99         /**
       
   100          * Second phase constructor
       
   101          */
       
   102         void ConstructL();
       
   103 
       
   104     protected:
       
   105         /**
       
   106          * Inherited from CActive
       
   107          */
       
   108         void RunL();
       
   109 
       
   110         /**
       
   111          * Inherited from CActive
       
   112          */
       
   113         void DoCancel();
       
   114 
       
   115     private:
       
   116 
       
   117         /**
       
   118          * Button ID with which the dialog was cancelled
       
   119          */
       
   120         TInt                        iButtonId;
       
   121 
       
   122         /**
       
   123          * Wait Note
       
   124          * Owns
       
   125          */
       
   126         CAknWaitDialog*             iWaitNote;
       
   127 
       
   128         /**
       
   129          * Active Scheduler re-loop to make Stop synchronous
       
   130          */
       
   131         CActiveSchedulerWait*       iSchedWait;
       
   132         /**
       
   133          * ref
       
   134          * Observer for callback, when the dialog is dissmissed.
       
   135          */
       
   136         MLmkWaitDialogLauncherObserver*       iObserver;
       
   137     };
       
   138 
       
   139 #endif // CLMWAITDLGLAUNCHER_H
       
   140 
       
   141 // End of File