TB9.2 Example Applications: examples/ForumNokia/Document_Handler_Example/HandlerApp/src/handlerDocument.cpp Source File

00001 /* ====================================================================
+00002  * File: handlerDocument.cpp
+00003  * Created: 09/27/05
+00004  * Author:
+00005  * Copyright (c): , All rights reserved
+00006  * ==================================================================== */
+00007 
+00008 #include "handlerAppUi.h"
+00009 #include "handlerDocument.h"
+00010 #include "Common.h"
+00011 
+00012 #include <f32file.h>
+00013 #include <eikenv.h>
+00014 #include <eikappui.h>
+00015 #include <eikapp.h>
+00016 #include <apparc.h>
+00017 #include <eikproc.H>
+00018 #include <apgwgnam.h> //Link against: apgrfx.lib
+00019 #include <avkon.hrh>
+00020 #include <aknnotewrappers.h>
+00021 
+00022 CHandlerDocument* CHandlerDocument::NewL(CEikApplication& aApp)
+00023     {
+00024     CHandlerDocument* self = NewLC(aApp);
+00025     CleanupStack::Pop(self);
+00026     return self;
+00027     }
+00028 
+00029 CHandlerDocument* CHandlerDocument::NewLC(CEikApplication& aApp)
+00030     {
+00031     CHandlerDocument* self = new (ELeave) CHandlerDocument(aApp);
+00032     CleanupStack::PushL(self);
+00033     self->ConstructL();
+00034     return self;
+00035     }
+00036 
+00037 void CHandlerDocument::ConstructL()
+00038     {
+00039     // no implementation required
+00040     }
+00041 
+00042 CHandlerDocument::CHandlerDocument(CEikApplication& aApp) : CAknDocument(aApp)
+00043     {
+00044     // no implementation required
+00045     }
+00046 
+00047 CHandlerDocument::~CHandlerDocument()
+00048     {
+00049     // no implementation required
+00050     }
+00051 
+00052 CEikAppUi* CHandlerDocument::CreateAppUiL()
+00053     {
+00054     // Create the application user interface, and return a pointer to it,
+00055     // the framework takes ownership of this object
+00056     iAppUi = new (ELeave) CHandlerAppUi;
+00057     return iAppUi;
+00058     }
+00059 
+00060 CFileStore* CHandlerDocument::OpenFileL( TBool aDoOpen, const TDesC& aFilename, RFs& aFs )
+00061     {
+00062     if (aDoOpen)
+00063         {
+00064         TFileName name = aFilename;
+00065         if( iFileName == name ) //The same file, do nothing
+00066             {
+00067             return NULL;   
+00068             }
+00069         iFileName = name;
+00070         CHandlerAppUi *appui = static_cast<CHandlerAppUi *> (iAppUi);
+00071         TBuf8<KTextLengthToRead> buf;
+00072 
+00073         RFile file;
+00074         
+00075         TInt err = file.Open(aFs, aFilename, EFileRead|EFileShareAny); 
+00076         if( err == KErrNone )
+00077             {
+00078             CleanupClosePushL(file);
+00079             User::LeaveIfError( file.Read(buf,KTextLengthToRead) );
+00080             CleanupStack::PopAndDestroy();//file
+00081             }
+00082         appui->SetFileData(iFileName, buf);
+00083         }
+00084     
+00085     return NULL;
+00086     }
+00087 
+00088 void CHandlerDocument::OpenFileL(CFileStore*& aFileStore, RFile& aFile)
+00089     {
+00090     aFileStore = NULL; //So the other OpenFileL version is not called
+00091 
+00092     TFileName name;
+00093     #ifdef __SERIES60_3X__
+00094         aFile.Name(name);
+00095         //aFile.FullName(name); //If the location is required
+00096     #endif
+00097     //This function is never used in 1st or 2nd edition,
+00098     //so the RFile::Name function is always executed.
+00099     //That way we know that name variable contains aFile name.
+00100     if( iFileName == name)
+00101         {
+00102         return;
+00103         }
+00104     iFileName = name;
+00105     
+00106     TBuf8<KTextLengthToRead> buf;
+00107     User::LeaveIfError( aFile.Read(buf,KTextLengthToRead) );
+00108     CHandlerAppUi *appui = static_cast<CHandlerAppUi *> (iAppUi);
+00109     appui->SetFileData(iFileName, buf);
+00110     }
+