emailservices/emailclientapi/src/emailapiutils.cpp
changeset 47 f83bd4ae1fe3
child 62 a8c646b56683
equal deleted inserted replaced
45:780f926bc26c 47:f83bd4ae1fe3
       
     1 /*
       
     2 * Copyright (c) 2010 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: This file implements class CEmailApiUtils.
       
    15 *
       
    16 */
       
    17 
       
    18 #include <e32std.h>
       
    19 #include "cfsmailplugin.h"
       
    20 #include "emailapidefs.h"
       
    21 #include "emailclientapiimpldefs.h"
       
    22 #include "emailapiutils.h"
       
    23 
       
    24 // ---------------------------------------------------------------------------
       
    25 // 
       
    26 // ---------------------------------------------------------------------------
       
    27 CPluginData::CPluginData( TUid aUid ) :
       
    28     iData( aUid ),
       
    29     iPluginLoadError( KErrNotReady )
       
    30     { 
       
    31     }
       
    32 
       
    33 // ---------------------------------------------------------------------------
       
    34 // 
       
    35 // ---------------------------------------------------------------------------
       
    36 CPluginData::~CPluginData()
       
    37     {
       
    38     // panic if a user of plugin has not called ReleaseInstance after ClaimInstance
       
    39     __ASSERT_ALWAYS( iOwned || !iRefCount, Panic( EMailPanicPluginNotReleased ) );
       
    40     }
       
    41 
       
    42 // ---------------------------------------------------------------------------
       
    43 // 
       
    44 // ---------------------------------------------------------------------------
       
    45 CFSMailPlugin* CPluginData::ClaimInstance()
       
    46     {
       
    47     if ( !iData.iPlugin )
       
    48         {
       
    49         TRAP( iPluginLoadError, iData.iPlugin = CFSMailPlugin::NewL( iData.iUid ) );
       
    50         }
       
    51     if ( !iPluginLoadError )
       
    52         {
       
    53         iRefCount++;
       
    54         }
       
    55     return iData.iPlugin;
       
    56     }
       
    57 
       
    58 // ---------------------------------------------------------------------------
       
    59 // 
       
    60 // ---------------------------------------------------------------------------
       
    61 CFSMailPlugin* CPluginData::ClaimInstanceL()
       
    62     {
       
    63     ClaimInstance();
       
    64     User::LeaveIfError( iPluginLoadError );
       
    65     return iData.iPlugin;
       
    66     }
       
    67 
       
    68 // ---------------------------------------------------------------------------
       
    69 // 
       
    70 // ---------------------------------------------------------------------------
       
    71 void CPluginData::ReleaseInstance()
       
    72     {
       
    73     if ( iData.iPlugin )
       
    74         {
       
    75         iRefCount--;
       
    76         if ( !iRefCount )
       
    77             {
       
    78             delete iData.iPlugin;
       
    79             iData.iPlugin = NULL;
       
    80             }
       
    81         }
       
    82     }
       
    83 
       
    84 // ---------------------------------------------------------------------------
       
    85 // 
       
    86 // ---------------------------------------------------------------------------
       
    87 void CPluginData::ReleasePushL()
       
    88     {
       
    89     TCleanupItem item( &CPluginData::CleanupOperation, this );
       
    90     CleanupStack::PushL( item );
       
    91     }
       
    92 
       
    93 // ---------------------------------------------------------------------------
       
    94 // 
       
    95 // ---------------------------------------------------------------------------
       
    96 void CPluginData::CleanupOperation( TAny* aAny )
       
    97     {
       
    98     CPluginData* pdata = reinterpret_cast<CPluginData*>( aAny );
       
    99     pdata->ReleaseInstance();
       
   100     }
       
   101 
       
   102 // ---------------------------------------------------------------------------
       
   103 // 
       
   104 // ---------------------------------------------------------------------------
       
   105 TUid CPluginData::Uid() const
       
   106     {
       
   107     return iData.iUid;
       
   108     }
       
   109 
       
   110 // ---------------------------------------------------------------------------
       
   111 // 
       
   112 // ---------------------------------------------------------------------------
       
   113 TInt CPluginData::LoadResult() const
       
   114     {
       
   115     return iPluginLoadError;
       
   116     }
       
   117 
       
   118 // ---------------------------------------------------------------------------
       
   119 // 
       
   120 // ---------------------------------------------------------------------------
       
   121 TFSMailMsgId FsMsgId( const CPluginData& aPluginData, const EmailInterface::TBaseId& aId )
       
   122     {
       
   123     TFSMailMsgId id( aPluginData.Uid(), aId.iId );
       
   124     return id;
       
   125     }
       
   126 
       
   127 // ---------------------------------------------------------------------------
       
   128 // 
       
   129 // ---------------------------------------------------------------------------
       
   130 void CleanupReleasePush::PushL( EmailInterface::MEmailInterface& aItem )
       
   131     {
       
   132     TCleanupItem item( &CleanupReleasePush::Release, &aItem );
       
   133     CleanupStack::PushL( item );
       
   134     }
       
   135 
       
   136 // ---------------------------------------------------------------------------
       
   137 // 
       
   138 // ---------------------------------------------------------------------------
       
   139 void CleanupReleasePush::Release( TAny *aPtr )
       
   140     {
       
   141     reinterpret_cast<EmailInterface::MEmailInterface*>( aPtr )->Release();
       
   142     }
       
   143 
       
   144 // End of file