1 /*

     2 * Copyright (c) 2007 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:  Source file for CUpnpBrowseCommand class.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <upnpbrowsecommand.h>          // CUpnpBrowseCommand

    21 #include "upnpcommand.h"                // CUpnpCommand

    22 #include "upnpcommandmain.h"            // UpnpCommandMain::LoadL

    23 

    24 // --------------------------------------------------------------------------

    25 // CUpnpBrowseCommand::NewL

    26 // Creates a new UpnpCommand for Upnp home network browsing purposes.

    27 // --------------------------------------------------------------------------

    28 //

    29 EXPORT_C CUpnpBrowseCommand* CUpnpBrowseCommand::NewL()

    30     {

    31     // Create new CUpnpBrowseCommand instance

    32     CUpnpBrowseCommand* self = new (ELeave) CUpnpBrowseCommand();

    33     CleanupStack::PushL( self );

    34     self->ConstructL();

    35     CleanupStack::Pop( self );

    36     return self;

    37     }

    38 

    39 // --------------------------------------------------------------------------

    40 // CUpnpBrowseCommand::CUpnpBrowseCommand

    41 // Constructor

    42 // --------------------------------------------------------------------------

    43 //

    44 CUpnpBrowseCommand::CUpnpBrowseCommand()

    45     {

    46     // No implementation

    47     }

    48 

    49 // --------------------------------------------------------------------------

    50 // CUpnpBrowseCommand::~CUpnpBrowseCommand

    51 // Destructor

    52 // --------------------------------------------------------------------------

    53 //

    54 CUpnpBrowseCommand::~CUpnpBrowseCommand()

    55     {

    56     delete iCommand;

    57     iCommand = NULL;

    58     }

    59 

    60 // --------------------------------------------------------------------------

    61 // CUpnpBrowseCommand::ConstructL

    62 // Second phase constructor

    63 // --------------------------------------------------------------------------

    64 //

    65 void CUpnpBrowseCommand::ConstructL()

    66     {

    67     iCommand = UpnpCommandMain::LoadL( UpnpCommand::ECommandBrowse );

    68     }

    69 

    70 // --------------------------------------------------------------------------

    71 // CUpnpBrowseCommand::BrowseHomeNetworkL

    72 // Allocates Upnp Framework resources, and initiates Upnp home network

    73 // browsing.

    74 // --------------------------------------------------------------------------

    75 //

    76 EXPORT_C void CUpnpBrowseCommand::BrowseHomeNetworkL()

    77     {

    78     // Allocate Upnp Framework resources

    79     iCommand->AllocateResourcesL();

    80 

    81     // Execute the command (Synchronous. Will not return until the user

    82     // stops browsing)

    83     TRAPD( executeError, iCommand->ExecuteL() );

    84 

    85     // Release Upnp Framework resources

    86     iCommand->ReleaseResources(); 

    87 

    88     // Leave if operation failed

    89     if( executeError != KErrNone )

    90         {

    91         User::Leave( executeError );

    92         }

    93     }

    94 

    95 // --------------------------------------------------------------------------

    96 // CUpnpBrowseCommand::IsAvailableL

    97 // Returns the availability information of the command.

    98 // --------------------------------------------------------------------------

    99 //

   100 EXPORT_C TBool CUpnpBrowseCommand::IsAvailableL()

   101     {

   102     // create a temporary plugin instance

   103     // then query command availability.

   104     TBool available = EFalse;

   105     TRAP_IGNORE(

   106         CUpnpCommand* temp = UpnpCommandMain::LoadL( UpnpCommand::ECommandBrowse );

   107         CleanupStack::PushL( temp );

   108         available = temp->IsAvailableL();

   109         CleanupStack::PopAndDestroy( temp );

   110         );

   111     return available;

   112     }

   113 

   114 // End of File