imagehandlingutilities/thumbnailmanager/thumbnailclient/src/thumbnailsession.cpp
changeset 54 48dd0f169f0d
parent 42 2e2a89493e2b
equal deleted inserted replaced
42:2e2a89493e2b 54:48dd0f169f0d
     1 /*
       
     2 * Copyright (c) 2006-2007 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:  Thumbnail server client-side session
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include "thumbnailsession.h"
       
    21 #include "thumbnailmanagerconstants.h"
       
    22 #include "thumbnaillog.h"
       
    23 #include "OstTraceDefinitions.h"
       
    24 #ifdef OST_TRACE_COMPILER_IN_USE
       
    25 #include "thumbnailsessionTraces.h"
       
    26 #endif
       
    27 
       
    28 // ======== MEMBER FUNCTIONS ========
       
    29 
       
    30 // ---------------------------------------------------------------------------
       
    31 // RThumbnailSession::RThumbnailSession()
       
    32 // C++ default constructor can NOT contain any code, that might leave.
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 RThumbnailSession::RThumbnailSession(): RSessionBase()
       
    36     {
       
    37     // No implementation required
       
    38     TN_DEBUG1( "RThumbnailSession::RThumbnailSession");
       
    39     OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_RTHUMBNAILSESSION, "RThumbnailSession::RThumbnailSession" );
       
    40     }
       
    41 
       
    42 
       
    43 // ---------------------------------------------------------------------------
       
    44 // RThumbnailSession::Connect()
       
    45 // ---------------------------------------------------------------------------
       
    46 //
       
    47 TInt RThumbnailSession::Connect()
       
    48     { 
       
    49     TN_DEBUG1( "RThumbnailSession::Connect - start");
       
    50     OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_CONNECT, "RThumbnailSession::Connect - start" );
       
    51     
       
    52     StartServer();
       
    53     
       
    54     // special case
       
    55     // wait possibly needed here to give an old server process
       
    56     // time to enter shutdown state
       
    57     User::After(1000);
       
    58     
       
    59     TInt err = CreateSession( KThumbnailServerName, Version(), KMessageSlots );
       
    60     TInt retry = 1;
       
    61  
       
    62     // special case
       
    63     // old server still alive, wait and try again
       
    64     while (retry <= 10 && err != KErrNone)
       
    65         {
       
    66         TN_DEBUG1( "RThumbnailSession::Connect - retry");
       
    67         OstTrace0( TRACE_NORMAL, DUP1_RTHUMBNAILSESSION_CONNECT, "RThumbnailSession::Connect - retry" );
       
    68     
       
    69         User::After(retry * 50000);
       
    70         StartServer();
       
    71         err = CreateSession( KThumbnailServerName, Version(), KMessageSlots );
       
    72         retry++;
       
    73         }
       
    74     
       
    75     TN_DEBUG1( "RThumbnailSession::Connect - end");
       
    76     OstTrace0( TRACE_NORMAL, DUP2_RTHUMBNAILSESSION_CONNECT, "RThumbnailSession::Connect - end" );
       
    77     
       
    78     return err;
       
    79     }
       
    80 
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // RThumbnailSession::Close()
       
    84 // Closes session
       
    85 // ---------------------------------------------------------------------------
       
    86 //
       
    87 void RThumbnailSession::Close()
       
    88     {
       
    89     TN_DEBUG1( "RThumbnailSession::Close");
       
    90     OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_CLOSE, "RThumbnailSession::Close" );
       
    91     
       
    92     RSessionBase::Close();
       
    93     }
       
    94 
       
    95 
       
    96 // ---------------------------------------------------------------------------
       
    97 // RThumbnailSession::Version()
       
    98 // Closes session
       
    99 // ---------------------------------------------------------------------------
       
   100 //
       
   101 TVersion RThumbnailSession::Version()
       
   102     {
       
   103     return TVersion( KThumbnailServerMajorVersionNumber,
       
   104         KThumbnailServerMinorVersionNumber, KThumbnailServerBuildVersionNumber )
       
   105         ;
       
   106     }
       
   107 
       
   108 
       
   109 // ---------------------------------------------------------------------------
       
   110 // RThumbnailSession::StartServer()
       
   111 // ---------------------------------------------------------------------------
       
   112 //
       
   113 TInt RThumbnailSession::StartServer()
       
   114     {
       
   115     TN_DEBUG1( "RThumbnailSession::StartServer - start");
       
   116     OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer - start" );
       
   117     
       
   118     TInt res( KErrNone );
       
   119     // create server - if one of this name does not already exist
       
   120 
       
   121     TFindServer findServer( KThumbnailServerName );
       
   122     TFullName name;
       
   123     if ( findServer.Next( name ) != KErrNone )
       
   124         // we don't exist already
       
   125         {
       
   126         TN_DEBUG1( "RThumbnailSession::StartServer - server process doesn't exist yet");
       
   127         OstTrace0( TRACE_NORMAL, DUP1_RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer - server process doesn't exist yet" );
       
   128     
       
   129         RProcess server;
       
   130         // Create the server process
       
   131         // KNullDesC param causes server's E32Main() to be run
       
   132         res = server.Create( KThumbnailServerExe, KNullDesC );
       
   133         if ( res != KErrNone )
       
   134             {
       
   135             TN_DEBUG2( "RThumbnailSession::StartServer - error creating process: %d", res);
       
   136             OstTrace1( TRACE_NORMAL, DUP2_RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer;res=%d", res );
       
   137             return res;
       
   138             }
       
   139         
       
   140         TN_DEBUG1( "RThumbnailSession::StartServer - process created");
       
   141         OstTrace0( TRACE_NORMAL, DUP3_RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer - process created" );
       
   142 
       
   143         // Process created successfully
       
   144         TRequestStatus status;
       
   145         server.Rendezvous( status );
       
   146         server.Resume(); // start it going
       
   147 
       
   148         // Wait until the completion of the server creation
       
   149         User::WaitForRequest( status );
       
   150 
       
   151         if ( status != KErrNone )
       
   152             {
       
   153             TN_DEBUG2( "RThumbnailSession::StartServer - status: %d, closing", status.Int() );
       
   154             OstTrace1( TRACE_NORMAL, DUP4_RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer;status.Int()=%d", status.Int() );
       
   155         
       
   156             server.Close();
       
   157             return status.Int();
       
   158             }
       
   159         
       
   160         // Server created successfully
       
   161         server.Close(); // we're no longer interested in the other process
       
   162         }
       
   163     
       
   164     TN_DEBUG1( "RThumbnailSession::StartServer - end");
       
   165     OstTrace0( TRACE_NORMAL, DUP5_RTHUMBNAILSESSION_STARTSERVER, "RThumbnailSession::StartServer - end" );
       
   166     
       
   167     return res;
       
   168     }
       
   169 
       
   170 
       
   171 // ---------------------------------------------------------------------------
       
   172 // Request a thumbnail for an object file using file handle
       
   173 // ---------------------------------------------------------------------------
       
   174 //
       
   175 void RThumbnailSession::RequestThumbnailL( const RFile64& aFile, const TDesC& aTargetUri,
       
   176     TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   177     {
       
   178     TIpcArgs args( &aParams, KCheckValue ); // 1st and 2nd argument
       
   179     User::LeaveIfError( aFile.TransferToServer( args, 2, 3 )); // 3th and 4th argument
       
   180     aParams().iTargetUri = aTargetUri;
       
   181     SendReceive( ERequestThumbByFileHandleAsync, args, aStatus );
       
   182     }
       
   183 
       
   184 
       
   185 // ---------------------------------------------------------------------------
       
   186 // Request a thumbnail for an object file using file path
       
   187 // ---------------------------------------------------------------------------
       
   188 //
       
   189 void RThumbnailSession::RequestThumbnailL( const TDesC& aPath, const TDesC& aTargetUri, const TThumbnailId /*aThumbnailId*/,
       
   190     TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   191     {
       
   192     TIpcArgs args( &aParams, KCheckValue);
       
   193     aParams().iFileName = aPath;
       
   194     aParams().iTargetUri = aTargetUri;
       
   195     
       
   196     if(aPath.Length()== 0)
       
   197         {
       
   198         SendReceive( ERequestThumbByIdAsync, args, aStatus );
       
   199         }
       
   200     else
       
   201         {        
       
   202         SendReceive( ERequestThumbByPathAsync, args, aStatus );
       
   203         }
       
   204     }
       
   205 
       
   206 // ---------------------------------------------------------------------------
       
   207 // Request a thumbnail for an object file using file path
       
   208 // ---------------------------------------------------------------------------
       
   209 //
       
   210 void RThumbnailSession::RequestThumbnailL( const TThumbnailId aThumbnailId,
       
   211         const TDesC& /*aTargetUri*/,
       
   212         TThumbnailRequestParamsPckg& aParams, 
       
   213         TRequestStatus& aStatus )
       
   214     {
       
   215     TIpcArgs args( &aParams, KCheckValue );
       
   216     aParams().iThumbnailId = aThumbnailId;
       
   217     SendReceive( ERequestThumbByIdAsync, args, aStatus );
       
   218     }
       
   219 
       
   220 #if 0
       
   221 // ---------------------------------------------------------------------------
       
   222 // Request a thumbnail for an object file using file path
       
   223 // ---------------------------------------------------------------------------
       
   224 //
       
   225 void RThumbnailSession::RequestThumbnailL( const TDesC& aPath, const TDesC& aTargetUri,
       
   226     TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   227     {
       
   228     TIpcArgs args( &aParams );
       
   229     aParams().iFileName = aPath;
       
   230     aParams().iTargetUri = aTargetUri;
       
   231     SendReceive( ERequestThumbByPathAsync, args, aStatus );
       
   232     }
       
   233 #endif
       
   234 
       
   235 void RThumbnailSession::RequestSetThumbnailL( 
       
   236         TDesC8* aBuffer, const TDesC& aTargetUri,         
       
   237         TThumbnailRequestParamsPckg& aParams, 
       
   238         TRequestStatus& aStatus  )
       
   239     {
       
   240     if( !aBuffer )
       
   241         {
       
   242         TN_DEBUG1( "RThumbnailSession::RequestSetThumbnailL() - !aBuffer KErrArgument");
       
   243         OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_REQUESTSETTHUMBNAILL, "RThumbnailSession::RequestSetThumbnailL - !aBuffer KErrArgument" );
       
   244         User::Leave( KErrArgument );
       
   245         }
       
   246     
       
   247     TIpcArgs args( &aParams, aBuffer, aBuffer->Length(), KCheckValue );
       
   248     aParams().iTargetUri = aTargetUri;
       
   249     SendReceive( ERequestSetThumbnailByBuffer, args, aStatus );   
       
   250     }
       
   251 
       
   252 void RThumbnailSession::RequestSetThumbnailL( 
       
   253         TInt aBitmapHandle, const TDesC& aTargetUri,         
       
   254         TThumbnailRequestParamsPckg& aParams, 
       
   255         TRequestStatus& aStatus  )
       
   256     {
       
   257     if( !aBitmapHandle )
       
   258         {
       
   259         TN_DEBUG1( "RThumbnailSession::RequestSetThumbnailL() - !aBitmapHandle KErrArgument");
       
   260         OstTrace0( TRACE_NORMAL, DUP1_RTHUMBNAILSESSION_REQUESTSETTHUMBNAILL, "RThumbnailSession::RequestSetThumbnailL - !aBitmapHandle KErrArgument" );
       
   261         User::Leave( KErrArgument );
       
   262         }
       
   263     
       
   264     TIpcArgs args( &aParams, aBitmapHandle, KCheckValue );
       
   265     aParams().iTargetUri = aTargetUri;
       
   266     SendReceive( ERequestSetThumbnailByBitmap, args, aStatus );   
       
   267     }
       
   268 
       
   269 // ---------------------------------------------------------------------------
       
   270 // Release bitmap instance kept by server process
       
   271 // ---------------------------------------------------------------------------
       
   272 //
       
   273 void RThumbnailSession::ReleaseBitmap( TInt aBitmapHandle )
       
   274     {
       
   275     TInt err = Send( EReleaseBitmap, TIpcArgs( aBitmapHandle ));
       
   276     while ( err == KErrServerBusy )
       
   277         {
       
   278         TN_DEBUG1( "RThumbnailSession::ReleaseBitmap() - server slots full");
       
   279         OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_RELEASEBITMAP, "RThumbnailSession::ReleaseBitmap - server slots full" );
       
   280     
       
   281         err = Send( EReleaseBitmap, TIpcArgs( aBitmapHandle ));
       
   282         }
       
   283     }
       
   284 
       
   285 
       
   286 // ---------------------------------------------------------------------------
       
   287 // Cancel pending thumbnail request
       
   288 // ---------------------------------------------------------------------------
       
   289 //
       
   290 TInt RThumbnailSession::CancelRequest( TThumbnailRequestId aRequestId )
       
   291     {
       
   292     TInt err = Send( ECancelRequest, TIpcArgs( aRequestId ));
       
   293     while ( err == KErrServerBusy )
       
   294         {
       
   295         TN_DEBUG1( "RThumbnailSession::CancelRequest() - server slots full");
       
   296         OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_CANCELREQUEST, "RThumbnailSession::CancelRequest - server slots full" );
       
   297     
       
   298         err = Send( ECancelRequest, TIpcArgs( aRequestId ));
       
   299         }
       
   300     return err;
       
   301     }
       
   302 
       
   303 
       
   304 // ---------------------------------------------------------------------------
       
   305 // Change priority of pending thumbnail request
       
   306 // ---------------------------------------------------------------------------
       
   307 //
       
   308 TInt RThumbnailSession::ChangePriority( TThumbnailRequestId aRequestId, TInt
       
   309     aNewPriority )
       
   310     {
       
   311     TInt err = Send( EChangePriority, TIpcArgs( aRequestId, aNewPriority ));
       
   312     while ( err == KErrServerBusy )
       
   313         {
       
   314         TN_DEBUG1( "RThumbnailSession::ChangePriority() - server slots full");
       
   315         OstTrace0( TRACE_NORMAL, RTHUMBNAILSESSION_CHANGEPRIORITY, "RThumbnailSession::ChangePriority - server slots full" );
       
   316     
       
   317         err = Send( EChangePriority, TIpcArgs( aRequestId, aNewPriority ));
       
   318         }
       
   319     return err;
       
   320     }
       
   321 
       
   322 // ---------------------------------------------------------------------------
       
   323 // Delete thumbnails for given object file
       
   324 // ---------------------------------------------------------------------------
       
   325 //
       
   326 void RThumbnailSession::DeleteThumbnails( const TDesC& aPath,
       
   327         TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   328     {
       
   329     TIpcArgs args( &aParams, &aPath, KCheckValue);
       
   330             
       
   331     SendReceive( EDeleteThumbnails, args, aStatus ); 
       
   332     }
       
   333 
       
   334 
       
   335 // ---------------------------------------------------------------------------
       
   336 // Delete thumbnails by TThumbnailId.
       
   337 // ---------------------------------------------------------------------------
       
   338 //
       
   339 void RThumbnailSession::DeleteThumbnails( const TThumbnailId aItemId,
       
   340         TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   341     {   
       
   342     TIpcArgs args( &aParams, aItemId, KCheckValue);
       
   343             
       
   344     SendReceive( EDeleteThumbnailsById, args, aStatus );  
       
   345     }
       
   346 
       
   347 
       
   348 // ---------------------------------------------------------------------------
       
   349 //  Get a list of supported MIME types in a HBufC
       
   350 // ---------------------------------------------------------------------------
       
   351 //
       
   352 HBufC* RThumbnailSession::GetMimeTypeListL()
       
   353     {
       
   354     TInt size = 0;
       
   355     TPckg < TInt > pckg( size );
       
   356     User::LeaveIfError( SendReceive( EGetMimeTypeBufferSize, TIpcArgs( &pckg )));
       
   357     HBufC* res = HBufC::NewLC( size );
       
   358     TPtr ptr = res->Des();
       
   359     User::LeaveIfError( SendReceive( EGetMimeTypeList, TIpcArgs( &ptr )));
       
   360     CleanupStack::Pop( res );
       
   361     return res;
       
   362     }
       
   363 
       
   364 
       
   365 // ---------------------------------------------------------------------------
       
   366 // Update thumbnails.
       
   367 // ---------------------------------------------------------------------------
       
   368 //
       
   369 void RThumbnailSession::UpdateThumbnails( const TDesC& aPath, const TInt aOrientation,
       
   370         const TInt64 aModified, TThumbnailRequestParamsPckg& aParams, TRequestStatus& aStatus )
       
   371     {
       
   372     aParams().iFileName = aPath;
       
   373     aParams().iTargetUri = KNullDesC;
       
   374     aParams().iOrientation = aOrientation;
       
   375     aParams().iModified = aModified;
       
   376         
       
   377     TIpcArgs args( &aParams, KCheckValue);
       
   378             
       
   379     SendReceive( EUpdateThumbnails, args, aStatus );  
       
   380     }
       
   381 
       
   382 // ---------------------------------------------------------------------------
       
   383 // Rename thumbnails.
       
   384 // ---------------------------------------------------------------------------
       
   385 //
       
   386 void RThumbnailSession::RenameThumbnails( TThumbnailRequestParamsPckg& aParams, 
       
   387                                           TRequestStatus& aStatus )
       
   388     {
       
   389     TIpcArgs args( &aParams, KCheckValue);
       
   390             
       
   391     SendReceive( ERenameThumbnails, args, aStatus ); 
       
   392     }
       
   393     
       
   394 
       
   395 // End of file