diff -r 000000000000 -r 72b543305e3a messagingappbase/smartmessaging/msgeditorutils/src/MsgBioControl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/smartmessaging/msgeditorutils/src/MsgBioControl.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,383 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*		Base class for bio controls
+*
+*/
+
+
+
+// INCLUDE FILES
+
+#include <msvapi.h>                 // MTM server API
+#include <AknQueryDialog.h>
+#include <eikmenup.h>
+#include <bautils.h>                // for BaflUtils
+#include <MsgEditorUtils.rsg>       // resouce identifiers
+#include <StringLoader.h>           // StringLoader
+#include <msgbiocontrolObserver.h>
+#include "msgbiocontrol.h"          // for CMsgBioControl
+#include "MMsgBioControlExtension.h"    // MMsgBioControlExtension
+#include "MsgEditorUtils.pan"       // for MsgEditorUtils panics
+#include <data_caging_path_literals.hrh>
+
+// CONSTANTS
+_LIT(KMsgEditorUtilsResource, "msgeditorutils.rsc");
+enum TStatusFlags
+		{
+		EFileBased = KBit0
+		};
+
+// ================= MEMBER FUNCTIONS =======================
+
+EXPORT_C CMsgBioControl::CMsgBioControl(MMsgBioControlObserver& aObserver,
+                                        CMsvSession* aSession, //no ownership
+                                        TMsvId aId,
+                                        TMsgBioMode aEditorOrViewerMode,
+                                        const RFile* aFile):
+                            iBioControlObserver(aObserver),
+                            iId(aId),
+                            iMsvSession(aSession),
+                            iMode(aEditorOrViewerMode),
+                            iFile(aFile),
+                            iBCStatusFlags(0)
+    {
+    // If aFile presents real file, subsession handle > 0
+    // If aFile is dummy file handle ==> subsession handle == 0
+    if (aFile)
+    	{
+	    if( aFile->SubSessionHandle() == 0)
+	        {
+	        iFile = NULL;
+	        }
+	    else
+	        {
+	        iFile = aFile;
+	        iBCStatusFlags |= EFileBased;
+	        }
+    	}
+    __ASSERT_ALWAYS(
+        ( ( (aEditorOrViewerMode==EMsgBioEditorMode) ||
+            (aEditorOrViewerMode==EMsgBioViewerMode) )
+          &&
+          ( (aSession && aId) ^ (IsFileBased()) )
+          ),
+          Panic( EMEUErrArgument ) );
+    }
+
+EXPORT_C CMsgBioControl::~CMsgBioControl()
+    {
+    if (iResourceOffsets)
+        {
+        for (TInt n(0); n < iResourceOffsets->Count(); n++)
+            {
+            iCoeEnv->DeleteResourceFile(iResourceOffsets->At(n));
+            }
+        delete iResourceOffsets;
+        }
+    }
+
+EXPORT_C TBool CMsgBioControl::ConfirmationQueryL(const TDesC& aText)
+    {
+    //This temporary descriptor is needed because the query wants a non const
+    HBufC* text = aText.AllocL();
+    CleanupStack::PushL(text);
+    CAknQueryDialog* qDlg = new (ELeave) CAknQueryDialog(*text);
+    TInt response =
+        qDlg->ExecuteLD(R_MSGEDITORUTILS_GENERAL_CONFIRMATION_QUERY);
+    CleanupStack::PopAndDestroy(text); // text
+    if (response)
+        {
+        return ETrue;
+        }
+    return EFalse;
+    }
+
+EXPORT_C TBool CMsgBioControl::ConfirmationQueryL(TInt aStringResource)
+    {
+    HBufC* buf = StringLoader::LoadLC(aStringResource);
+    TBool result(ConfirmationQueryL(*buf));
+    CleanupStack::PopAndDestroy(buf); //buf
+    return result;
+    }
+
+EXPORT_C void CMsgBioControl::LoadResourceL(const TDesC& aFile)
+    {
+
+    TDriveList driveList;
+
+    TFileName searchPath(NULL);
+
+    // get a list of available drives
+    TInt ret = iCoeEnv->FsSession().DriveList(driveList);
+    if (ret != KErrNone)
+		{
+        // cannot continue
+        Panic( EMEUResourceFileNotFound );
+		}
+
+    // scan all drives
+    for ( TInt n=0 ; n < KMaxDrives ; n++ )
+        {
+        // does the drive exis
+        if (driveList[n] != 0)
+            {
+            TDriveInfo driveInfo;
+
+            ret = iCoeEnv->FsSession().Drive(driveInfo,n);
+            if ((ret == KErrNone)
+                && (driveInfo.iType != EMediaNotPresent)
+                && (driveInfo.iType != EMediaRemote))
+                {
+                // drive exists..
+                TDriveUnit drive(n);
+
+                // append the data.
+                searchPath.CopyF(drive.Name());
+                searchPath.Append(KDC_RESOURCE_FILES_DIR());
+                searchPath.Append(aFile);
+
+                // check does the non-localized file exist
+                TBool res = BaflUtils::FileExists( iCoeEnv->FsSession(), searchPath );
+                if (res) //found
+                    {
+                    // Complete searchpath without filename.
+                    searchPath.CopyF( drive.Name() );
+                    searchPath.Append( KDC_RESOURCE_FILES_DIR() );
+                    // no need to scan other drives:
+                    break;
+                    }
+                else
+                    {
+                    HBufC* originalPath = searchPath.AllocLC();
+                    // check is there localized version of resource file
+                    BaflUtils::NearestLanguageFile(iCoeEnv->FsSession(), searchPath );
+
+                    // if the original path differs from search path, the
+                    // localized resource file is found
+                    res = originalPath->Compare(searchPath);
+
+                    CleanupStack::PopAndDestroy(originalPath);
+                    if ( res != KErrNone ) // found
+                        {
+                        // Complete searchpath without filename.
+                        searchPath.CopyF(drive.Name());
+                        searchPath.Append( KDC_RESOURCE_FILES_DIR() );
+                        // no need to scan other drives:
+                        break;
+                        }
+                    }
+                }
+            }
+        }
+
+    // load the resource file from scanned path.
+    LoadResourceL(aFile, searchPath);
+    }
+
+EXPORT_C void CMsgBioControl::LoadResourceL(const TDesC& aFile, const TDesC& aSearchPath)
+    {
+    if (!iResourceOffsets)
+        {
+        iResourceOffsets = new (ELeave) CArrayFixFlat<TInt>(1); // granularity
+        }
+
+    // Find the resource file for the nearest language
+    TFileName fileName(aSearchPath);
+    fileName.Append(aFile);
+    BaflUtils::NearestLanguageFile(iCoeEnv->FsSession(), fileName);
+
+    // Check does the resource file exist in given path.
+    TBool fileExists( BaflUtils::FileExists(iCoeEnv->FsSession(), fileName) );
+    if (fileExists)
+        {
+        // Add the resource file to the CONE environment, and keep the offset
+        iResourceOffsets->SetReserveL(iResourceOffsets->Count() + 1);
+        const TInt offset = iCoeEnv->AddResourceFileL(fileName);
+        iResourceOffsets->AppendL(offset);
+        }
+    else
+        {
+        TParse* fp = new(ELeave) TParse();
+	    fp->Set(aFile, &KDC_RESOURCE_FILES_DIR, NULL);
+
+  	    TFileName fileName(fp->FullName());
+	    delete fp;
+
+        iResourceOffsets->SetReserveL(iResourceOffsets->Count() + 1);
+        const TInt offset = iCoeEnv->AddResourceFileL(fileName);
+        User::LeaveIfError( offset);
+        iResourceOffsets->AppendL(offset);
+		}
+    }
+
+EXPORT_C void CMsgBioControl::LoadStandardBioResourceL()
+    {
+    LoadResourceL(KMsgEditorUtilsResource);
+    }
+
+EXPORT_C TBool CMsgBioControl::IsEditor() const
+    {
+    return (iMode == EMsgBioEditorMode);
+    }
+
+EXPORT_C TBool CMsgBioControl::IsFileBased() const
+    {
+    return (iBCStatusFlags & EFileBased);
+	}
+
+EXPORT_C CMsvSession& CMsgBioControl::MsvSession() const
+    {
+    __ASSERT_ALWAYS(iMsvSession, Panic(EMEUMsvSessionIsNull));
+    return *iMsvSession;
+    }
+
+EXPORT_C const TFileName& CMsgBioControl::FileName() const
+    {
+    // deprecated
+    __ASSERT_ALWAYS(/*IsFileBased()*/ 0, Panic(EMEUNotFileBase));
+    return TFileName(); // should never ever come to this point
+    }
+
+EXPORT_C const RFile& CMsgBioControl::FileHandle() const
+    {
+    __ASSERT_ALWAYS(IsFileBased(), Panic(EMEUNotFileBase));
+    return *iFile;
+    }
+
+EXPORT_C TUint32 CMsgBioControl::OptionMenuPermissionsL() const
+    {
+    // This is the default because most of the Bio Controls need these.
+    return EMsgBioCallBack
+        | EMsgBioDelete
+        | EMsgBioMessInfo
+        | EMsgBioMove
+        | EMsgBioCreateCC
+        | EMsgBioSend
+        | EMsgBioAddRecipient
+        | EMsgBioSave
+        | EMsgBioSendingOpt
+        | EMsgBioHelp
+        | EMsgBioExit;
+    }
+
+
+// default implementation returns height of the control.
+EXPORT_C TInt CMsgBioControl::VirtualHeight()
+{
+    return iSize.iHeight;
+}
+
+// default implementation returns 0.
+EXPORT_C TInt CMsgBioControl::VirtualVisibleTop()
+{
+    return 0;
+}
+
+// default implementation returns EFalse.
+EXPORT_C TBool CMsgBioControl::IsCursorLocation(TMsgCursorLocation /*aLocation*/) const
+{
+    return EFalse;
+}
+
+EXPORT_C void CMsgBioControl::AddMenuItemL(CEikMenuPane& aMenuPane,
+    TInt aStringRes, TInt aCommandOffset, TInt aPosition)
+    {
+    CEikMenuPaneItem::SData menuItem;
+    menuItem.iCascadeId = NULL;
+    menuItem.iFlags = NULL;
+    menuItem.iText.Format(*StringLoader::LoadLC(aStringRes));
+    CleanupStack::PopAndDestroy(); // (string)
+    menuItem.iCommandId = iBioControlObserver.FirstFreeCommand()
+        + aCommandOffset;
+    aMenuPane.InsertMenuItemL(menuItem, aPosition);
+    }
+
+void CMsgBioControl::SetBioBodyControl( MMsgBioBodyControl* aBioBodyControl )
+    {
+    iBioBodyControl = aBioBodyControl;
+    }
+
+EXPORT_C TBool CMsgBioControl::NotifyEditorViewL(
+    TMsgBioControlEventRequest aRequest,
+    TInt aDelta)
+    {
+    if (iBioBodyControl)
+        {
+        return iBioBodyControl->HandleBaseControlEventRequestL(
+            aRequest, aDelta);
+        }
+    return ETrue;
+    }
+
+EXPORT_C void CMsgBioControl::SetExtension(MMsgBioControlExtension* aExt)
+    {
+    iExt = aExt;
+    }
+    
+#ifdef RD_SCALABLE_UI_V2
+EXPORT_C TInt CMsgBioControl::ScrollL( TInt aPixelsToScroll,
+                                        TMsgScrollDirection aDirection )
+    {
+    TInt retval(0);
+ 
+    if(!iExt)
+        {
+        return retval;
+        }
+
+    MMsgBioControlScrollExtension* extension = 
+                    static_cast<MMsgBioControlScrollExtension*>
+                    ( iExt->BioControlExtension( KMsgBioControlScrollExtension ) );
+
+    if(extension != NULL)
+        {
+        //call the extension method
+        retval = extension->ExtScrollL( aPixelsToScroll, aDirection );
+        }
+
+    return retval;
+    }
+
+EXPORT_C void CMsgBioControl::NotifyViewEvent( TMsgViewEvent aEvent, TInt aParam )
+    {
+    if(!iExt)
+        {
+        return;
+        }
+
+    MMsgBioControlScrollExtension* extension =
+                    static_cast<MMsgBioControlScrollExtension*>
+                    ( iExt->BioControlExtension( KMsgBioControlScrollExtension ) );
+
+    if(extension != NULL)
+        {
+        extension->ExtNotifyViewEvent( aEvent, aParam );
+        }
+    }
+#else
+EXPORT_C TInt CMsgBioControl::ScrollL( TInt /*aPixelsToScroll*/,
+                                       TMsgScrollDirection /*aDirection*/ )
+    {
+    //no op
+    return 0;
+    }
+
+EXPORT_C void CMsgBioControl::NotifyViewEvent( TMsgViewEvent /*aEvent*/, TInt /*aParam*/ )
+    {
+    //no op
+    }
+#endif
+
+//end of file