vtuis/videotelui/src/CVtUiExecuteCmdDialog.cpp
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     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:  Implementation of the CVtUiExecuteCmdDialog class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "CVtUiExecuteCmdDialog.h"
       
    22 #include    "MVtUiEngineCommandManager.h"
       
    23 #include    <mvtengcommandhandler.h>
       
    24 #include    <cvtlogger.h>
       
    25 
       
    26 // MODULE DATA STRUCTURES
       
    27 
       
    28 /**
       
    29 * Active object to perform asynchronous commands.
       
    30 * @since Series 60 2.6
       
    31 */
       
    32 class CVtUiExecuteCmdDialog::CActiveCmd
       
    33     : public CActive
       
    34     {
       
    35     public: // Constructors and destructor
       
    36 
       
    37         /**
       
    38         * Constructor.
       
    39         */
       
    40         CActiveCmd(
       
    41             CVtUiExecuteCmdDialog& aDialog,
       
    42             MVtEngCommandHandler& aCommandHandler,
       
    43             TVtEngCommandId aCommand,
       
    44             TDesC8* aParams );
       
    45 
       
    46         /**
       
    47         * Destructor.
       
    48         */
       
    49         ~CActiveCmd();
       
    50 
       
    51     public: // New functions
       
    52 
       
    53         /**
       
    54         * Starts active object. Command will be performed in RunL.
       
    55         */
       
    56         void Start();
       
    57 
       
    58         /**
       
    59         * Checks if command has been performed.
       
    60         * @return ETrue if command has been performed.
       
    61         */
       
    62         TBool CommandPerformed() const;
       
    63 
       
    64     private:
       
    65 
       
    66         /**
       
    67         * @see CActive::RunL
       
    68         */
       
    69         void RunL();
       
    70 
       
    71         /**
       
    72         * @see CActive::DoCancel.
       
    73         */
       
    74         void DoCancel();
       
    75 
       
    76         /**
       
    77         * @see CActive::RunError.
       
    78         */
       
    79         TInt RunError( TInt aResult );
       
    80 
       
    81     private:
       
    82 
       
    83         // Ref to dialog.
       
    84         CVtUiExecuteCmdDialog& iDialog;
       
    85 
       
    86         // Ref to command handler.
       
    87         MVtEngCommandHandler& iCommandHandler;
       
    88 
       
    89         // Command to be executed.
       
    90         TVtEngCommandId iCommand;
       
    91 
       
    92         // Owned parameters.
       
    93         TDesC8* iCommandParams;
       
    94 
       
    95         // ETrue if command has been performed.
       
    96         TBool iCommandPerformed;
       
    97 
       
    98     };
       
    99 
       
   100 // ============================ MEMBER FUNCTIONS ===============================
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CVtUiExecuteCmdDialog::CVtUiExecuteCmdDialog
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 CVtUiExecuteCmdDialog::CVtUiExecuteCmdDialog(
       
   107         CEikDialog** aSelfPtr,
       
   108         MVtEngCommandHandler& aCommandHandler,
       
   109         MVtUiEngineCommandManager& aCommandManager )
       
   110     : CVtUiBlankDialog( aSelfPtr ),
       
   111       iCommandHandler( aCommandHandler ),
       
   112       iCommandManager( aCommandManager )
       
   113     {
       
   114     __VTPRINT2( DEBUG_GEN, "Ui.Dlg.Ctor this=%d", (TInt)this )
       
   115     }
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CVtUiExecuteCmdDialog::~CVtUiExecuteCmdDialog
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 CVtUiExecuteCmdDialog::~CVtUiExecuteCmdDialog()
       
   122     {
       
   123     __VTPRINTENTER( "VtUiExCmdDlg.~" )
       
   124     __VTPRINT2( DEBUG_GEN, "VtUiExCmdDlg.~ this=%d", (TInt)this )
       
   125     if ( iActiveCmd )
       
   126         {
       
   127         if ( !iCommandCompleted && iActiveCmd->CommandPerformed() )
       
   128             {
       
   129             iCommandHandler.CancelCommand( iCommand ); // ignore error
       
   130             }
       
   131         }
       
   132     delete iCommandParams;
       
   133     delete iActiveCmd;
       
   134 
       
   135     iCommandManager.RemoveObserver( *this );
       
   136     __VTPRINTEXIT( "VtUiExCmdDlg.~" )
       
   137     }
       
   138 
       
   139 // -----------------------------------------------------------------------------
       
   140 // CVtUiExecuteCmdDialog::ExecuteCmdLD
       
   141 // -----------------------------------------------------------------------------
       
   142 //
       
   143 void CVtUiExecuteCmdDialog::ExecuteCmdLD(
       
   144         const TVtEngCommandId aCommandId,
       
   145         TDesC8* aParams,
       
   146         TRequestStatus* aRequest )
       
   147     {
       
   148     __VTPRINTENTER( "VtUiExCmdDlg.ExecuteCmd" )
       
   149     __VTPRINT2( DEBUG_GEN, "Ui.Dlg.Exec this=%d", (TInt)this )
       
   150     iCommand = aCommandId;
       
   151     CleanupStack::PushL( this );
       
   152     if ( aParams )
       
   153         {
       
   154         iCommandParams = aParams->AllocL();
       
   155         }
       
   156 
       
   157     iCommandManager.AddObserverL( *this );
       
   158     CleanupStack::Pop( this );
       
   159 
       
   160     CVtUiBlankDialog::ExecuteDialogLD( aRequest );
       
   161     __VTPRINTEXIT( "VtUiExCmdDlg.ExecuteCmd" )
       
   162     }
       
   163 
       
   164 // -----------------------------------------------------------------------------
       
   165 // CVtUiExecuteCmdDialog::PostLayoutDynInitL
       
   166 // -----------------------------------------------------------------------------
       
   167 //
       
   168 void CVtUiExecuteCmdDialog::PostLayoutDynInitL()
       
   169     {
       
   170     __VTPRINTENTER( "VtUiExCmdDlg.PostL" )
       
   171     iActiveCmd =
       
   172         new ( ELeave ) CActiveCmd(
       
   173             *this, iCommandHandler, iCommand, iCommandParams );
       
   174     iActiveCmd->Start();
       
   175     __VTPRINTEXITR( "VtUiExCmdDlg.PostL this=%d", (TInt)this )
       
   176     }
       
   177 
       
   178 // -----------------------------------------------------------------------------
       
   179 // CVtUiExecuteCmdDialog::HandleVTCommandPerformedL
       
   180 // -----------------------------------------------------------------------------
       
   181 //
       
   182 void CVtUiExecuteCmdDialog::HandleVTCommandPerformedL(
       
   183         TVtEngCommandId aCommand,
       
   184         const TInt aError )
       
   185     {
       
   186     __VTPRINTENTER( "VtUiExCmdDlg.HandleVTCommandPerformed" )
       
   187     __VTPRINT2( DEBUG_GEN, "VtUiExCmdDlg.cmd.%d", aCommand )
       
   188     __VTPRINT2( DEBUG_GEN, "VtUiExCmdDlg.err.%d", aError )
       
   189     if ( iActiveCmd && ( aCommand == iCommand ) )
       
   190         {
       
   191         if ( iActiveCmd->CommandPerformed() && !iCommandCompleted )
       
   192             {
       
   193             __VTPRINT( DEBUG_GEN, "VtUiExCmdDlg.match" )
       
   194             iCommandCompleted = ETrue;
       
   195             // Corrupted images may leave during initialization, thus we have
       
   196             // to mask out errors when they happen during share initialize.
       
   197             // Error code is handled correctly in CVtUiAppUi::CEventObserver::
       
   198             // HandleVTCommandPerformedL() method, thus it will not be ignored.
       
   199             if ( aCommand == KVtEngInitializeShareImage )
       
   200                 {
       
   201                 Complete( KErrNone );
       
   202                 }
       
   203             else
       
   204                 {
       
   205                 Complete( aError );
       
   206                 }
       
   207             }
       
   208         }
       
   209     __VTPRINTEXIT( "VtUiExCmdDlg.HandleVTCommandPerformed" )
       
   210     }
       
   211 
       
   212 // -----------------------------------------------------------------------------
       
   213 // CVtUiExecuteCmdDialog::HandleExecuteFailed
       
   214 // -----------------------------------------------------------------------------
       
   215 //
       
   216 void CVtUiExecuteCmdDialog::HandleExecuteFailed( TInt aResult )
       
   217     {
       
   218     __VTPRINT3( DEBUG_GEN, "VtUiExCmdDlg.Fail this=%d res=%d",
       
   219         (TInt)this, aResult )
       
   220     Complete( aResult );
       
   221     }
       
   222 
       
   223 // Implementation of CVtUiExecuteCmdDialog::CActiveCmd:
       
   224 
       
   225 // -----------------------------------------------------------------------------
       
   226 // CVtUiExecuteCmdDialog::CActiveCmd::CActiveCmd
       
   227 // -----------------------------------------------------------------------------
       
   228 //
       
   229 CVtUiExecuteCmdDialog::CActiveCmd::CActiveCmd(
       
   230         CVtUiExecuteCmdDialog& aDialog,
       
   231         MVtEngCommandHandler& aCommandHandler,
       
   232         TVtEngCommandId aCommand,
       
   233         TDesC8* aParams)
       
   234     : CActive( CActive::EPriorityHigh ),
       
   235       iDialog( aDialog ),
       
   236       iCommandHandler( aCommandHandler ),
       
   237       iCommand( aCommand ),
       
   238       iCommandParams( aParams )
       
   239     {
       
   240     CActiveScheduler::Add( this );
       
   241     }
       
   242 
       
   243 // -----------------------------------------------------------------------------
       
   244 // CVtUiExecuteCmdDialog::CActiveCmd::~CActiveCmd
       
   245 // -----------------------------------------------------------------------------
       
   246 //
       
   247 CVtUiExecuteCmdDialog::CActiveCmd::~CActiveCmd()
       
   248     {
       
   249     __VTPRINT2( DEBUG_GEN, "VtUiExCmdDlgCmd.Dtor this=%d", (TInt)this )
       
   250     Cancel();
       
   251     }
       
   252 
       
   253 // -----------------------------------------------------------------------------
       
   254 // CVtUiExecuteCmdDialog::CActiveCmd::Start
       
   255 // -----------------------------------------------------------------------------
       
   256 //
       
   257 void CVtUiExecuteCmdDialog::CActiveCmd::Start()
       
   258     {
       
   259     __VTPRINTENTER( "VtUiExCmdDlgCmd.Start" )
       
   260     TRequestStatus* status = &iStatus;
       
   261     User::RequestComplete( status, KErrNone );
       
   262     SetActive();
       
   263     __VTPRINTEXITR( "VtUiExCmdDlgCmd.Start this=%d", (TInt)this )
       
   264     }
       
   265 
       
   266 // -----------------------------------------------------------------------------
       
   267 // CVtUiExecuteCmdDialog::CActiveCmd::CommandPerformed
       
   268 // -----------------------------------------------------------------------------
       
   269 //
       
   270 TBool CVtUiExecuteCmdDialog::CActiveCmd::CommandPerformed() const
       
   271     {
       
   272     __VTPRINT3( DEBUG_GEN, "VtUiExCmdDlgCmd.Perf this=%d,cmd=%d",
       
   273         (TInt)this, iCommandPerformed )
       
   274     return iCommandPerformed;
       
   275     }
       
   276 
       
   277 // -----------------------------------------------------------------------------
       
   278 // CVtUiExecuteCmdDialog::CActiveCmd::RunL
       
   279 // -----------------------------------------------------------------------------
       
   280 //
       
   281 void CVtUiExecuteCmdDialog::CActiveCmd::RunL()
       
   282     {
       
   283     __VTPRINTENTER( "VtUiExCmdDlgCmd.RunL" )
       
   284     iCommandHandler.ExecuteL( iCommand, iCommandParams );
       
   285     iCommandPerformed = ETrue;
       
   286     __VTPRINTEXITR( "VtUiExCmdDlgCmd.RunL this=%d", (TInt)this )
       
   287     }
       
   288 
       
   289 // -----------------------------------------------------------------------------
       
   290 // CVtUiExecuteCmdDialog::CActiveCmd::DoCancel
       
   291 // -----------------------------------------------------------------------------
       
   292 //
       
   293 void CVtUiExecuteCmdDialog::CActiveCmd::DoCancel()
       
   294     {
       
   295     __VTPRINT2( DEBUG_GEN, "VtUiExCmdDlgCmd.DoCnl this=%d", (TInt)this )
       
   296     // Request is completed immediately.
       
   297     }
       
   298 
       
   299 // -----------------------------------------------------------------------------
       
   300 // CVtUiExecuteCmdDialog::CActiveCmd::RunError
       
   301 // -----------------------------------------------------------------------------
       
   302 //
       
   303 TInt CVtUiExecuteCmdDialog::CActiveCmd::RunError( TInt aResult )
       
   304     {
       
   305     __VTPRINTENTER( "VtUiExCmdDlgCmd.RunError" )
       
   306     // Exception was raised in RunL. Inform the dialog to close itself.
       
   307     iDialog.HandleExecuteFailed( aResult );
       
   308     __VTPRINTEXITR( "VtUiExCmdDlgCmd.RunError this=%d", (TInt)this )
       
   309     return KErrNone;
       
   310     }
       
   311 
       
   312 //  End of File