--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calendarui/organizerplugin/aiagendapluginengine/src/CalenEngine.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,443 @@
+/*
+* 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:  This class is wrapper class of agenda engine.
+*
+*/
+
+
+//debug
+#include "calendarui_debug.h"
+
+// INCLUDES
+#include "CalenEngine.h"
+#include "CalenAsyncCommands.h"
+#include "CalEngineCallback.h"
+#include "CleanupResetAndDestroy.h"
+
+
+#include <calinstanceview.h>
+#include <calsession.h>
+#include <calcalendarinfo.h>
+#include <calcalendariterator.h>
+
+enum TCalenEnginePanic
+    {
+    EMultipleCommands = 0
+    };
+
+
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+static void Panic(TInt aReason) 
+    {
+    TRACE_ENTRY_POINT;
+    
+    _LIT(KPanicCategory, "CalenEngine");
+    User::Panic(KPanicCategory, aReason);
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+CCalenEngine::CCalenEngine() 
+    { 
+    TRACE_ENTRY_POINT;
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+CCalenEngine* CCalenEngine::NewL()
+    {
+    TRACE_ENTRY_POINT;
+    
+    CCalenEngine* self = new (ELeave) CCalenEngine;
+    //CleanupStack::PushL(self);
+    //self->ConstructL();
+    //CleanupStack::Pop(self);
+    
+    TRACE_EXIT_POINT;
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+CCalenEngine::~CCalenEngine()
+    {
+    TRACE_ENTRY_POINT;
+    
+    Close();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::Close()
+    {
+    TRACE_ENTRY_POINT;
+    
+    if( iCommand )
+        {
+        // cancel all asynchronous operations before(!) deleting the object!
+        iCommand->Cancel();
+        delete iCommand;
+        iCommand = NULL;
+        }
+    ReleaseCalendarDatabase();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenEngine::GetActiveSessionsL
+// -----------------------------------------------------------------------------
+//
+RPointerArray<CCalSession>& CCalenEngine::GetActiveSessionsL()
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    return iSessionReferanceArray;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenEngine::UpdateCalSessionsL
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::UpdateCalSessionsL()
+    {
+    TRACE_ENTRY_POINT;
+
+    Reset();
+
+    GetAllCalendarInfoL();
+
+    CCalSession* defaultSession = CCalSession::NewL(); //Default session  
+    iSessionOwningArray.AppendL(defaultSession);
+
+    CCalSession* tempSession = NULL; //Temp session 
+    for (TInt index = 0; index < iCalInfoArray.Count(); index++)
+        {
+        TPtrC calFileName = iCalInfoArray[index].iFileName;
+        
+        RDebug::Print(calFileName);
+        if (!calFileName.CompareF(defaultSession->DefaultFileNameL()))
+            {
+            CleanupStack::PushL(defaultSession);
+            defaultSession->OpenL(calFileName);
+            CleanupStack::Pop(defaultSession);
+
+            tempSession = defaultSession;
+            iCalInfoArray[index].iColltectionId
+                    = tempSession->CollectionIdL();
+            }
+        else
+            {
+            tempSession = CCalSession::NewL(*defaultSession);
+            CleanupStack::PushL(tempSession);
+            tempSession->OpenL(calFileName);
+            CleanupStack::Pop(tempSession);
+            iCalInfoArray[index].iColltectionId
+                    = tempSession->CollectionIdL();
+
+            iSessionOwningArray.AppendL(tempSession);
+            }
+        iSessionReferanceArray.AppendL(tempSession);
+        }
+
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenEngine::GetAllCalendarsL
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetAllCalendarInfoL( )
+    {
+    TRACE_ENTRY_POINT
+    CCalSession* sessionIter = CCalSession::NewL();
+    CleanupStack::PushL(sessionIter);
+    CCalCalendarIterator* calIter = CCalCalendarIterator::NewL(*sessionIter);
+    CleanupStack::PushL(calIter);
+
+    for(CCalCalendarInfo* calendarInfo = calIter->FirstL() ;
+        calendarInfo != NULL ; calendarInfo = calIter->NextL() )
+        {
+        if(calendarInfo->Enabled())
+            {
+            TCalInfo calInfo;
+            calInfo.iFileName = calendarInfo->FileNameL();
+            calInfo.iColor = calendarInfo->Color().Value();
+            iCalInfoArray.AppendL(calInfo);
+            }
+        delete calendarInfo; 
+        }
+    
+    CleanupStack::PopAndDestroy(calIter);
+    CleanupStack::PopAndDestroy(sessionIter);
+    TRACE_EXIT_POINT    
+    }
+
+// -----------------------------------------------------------------------------
+// CCalenEngine::Reset
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::Reset()
+    {
+    TRACE_ENTRY_POINT
+    if(iCalInfoArray.Count())
+        {
+        iCalInfoArray.Reset();
+        }
+    
+    if (iSessionReferanceArray.Count())
+        {
+        iSessionReferanceArray.Reset();
+        }
+    
+    if (iSessionOwningArray.Count())
+        {
+        iSessionOwningArray.ResetAndDestroy();
+        }
+    TRACE_EXIT_POINT    
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::StartCommand( CMultistepCommandBase* aCommand,
+                                 MCalenEngineGeneralCallback& aCallback )
+    {
+    TRACE_ENTRY_POINT;
+    
+    __ASSERT_ALWAYS(iCommand == NULL, Panic(EMultipleCommands));
+    iCallback = &aCallback;
+    iCommand = aCommand;
+    iCommand->Start();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::FinishCommand()
+    {
+    TRACE_ENTRY_POINT;
+    
+    __ASSERT_ALWAYS(iCommand != NULL, User::Invariant());
+    delete iCommand;
+    iCommand = NULL;
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::OpenDatabaseL(MCalenEngineOpenCallback& aCallback)
+    {
+    TRACE_ENTRY_POINT;
+    
+    StartCommand(new (ELeave) COpenCommand(*this), aCallback);
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::OpenCompleted()
+    {
+    TRACE_ENTRY_POINT;
+    
+    FinishCommand();
+    static_cast<MCalenEngineOpenCallback*>(iCallback)->OpenDatabaseCompleted();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetEntriesForDayL( MCalenEngineEntryFetchCallback& aCallback, 
+                                               const TTime& aDay, 
+                                               RPointerArray<CCalInstance>& aInstanceArray )
+    {
+    TRACE_ENTRY_POINT;
+    
+    StartCommand(
+        CGetEntriesCommand::NewL( *this, aDay, aInstanceArray ), 
+        aCallback );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetEventForNextSevenDaysL( MCalenEngineEntryFetchCallback& aCallback, 
+                                                       const TTime& aStartDay, const TInt aDaysToSearch,
+                                                       RPointerArray<CCalInstance>& aInstanceArray )
+    {
+    TRACE_ENTRY_POINT;
+    
+    StartCommand( 
+        CGetNextEventCommand::NewL( *this, aStartDay, aDaysToSearch, aInstanceArray ), 
+        aCallback );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetTodosL( MCalenEngineEntryFetchCallback& aCallback, 
+                                       RPointerArray<CCalInstance>& aInstanceArray )
+    {
+    TRACE_ENTRY_POINT;
+
+    StartCommand( 
+        CGetTodosCommand::NewL( *this, aInstanceArray ), 
+        aCallback );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetCalendarDataL( MCalenEngineEntryFetchCallback& aCallback,
+                                    RPointerArray<CCalInstance>& aInstanceArray,
+                                    const TTime& aStartDay,
+                                    const TInt aDaysToSearch )
+    {
+    TRACE_ENTRY_POINT;
+
+    StartCommand( 
+        CGetEntriesForDaysCommand::NewL( *this, aInstanceArray, aStartDay, aDaysToSearch ), 
+        aCallback );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetEntriesCompleted()
+    {
+    TRACE_ENTRY_POINT;
+
+    FinishCommand();
+    static_cast<MCalenEngineEntryFetchCallback*>(iCallback)->GetEntriesCompleted();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetTodosCompleted()
+    {
+    TRACE_ENTRY_POINT;
+
+    FinishCommand();
+    static_cast<MCalenEngineEntryFetchCallback*>(iCallback)->GetTodosCompleted();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetFutureEventCompleted(void)
+    {
+    TRACE_ENTRY_POINT;
+
+    FinishCommand();
+    static_cast<MCalenEngineEntryFetchCallback*>(iCallback)->GetFutureEventCompleted();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::GetCalendarDataCompleted(void)
+    {
+    TRACE_ENTRY_POINT;
+    
+    FinishCommand();
+    static_cast<MCalenEngineEntryFetchCallback*>(iCallback)->GetCalendarDataCompleted();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::HandleError(TInt aError)
+    {
+    TRACE_ENTRY_POINT;
+
+    FinishCommand();
+    static_cast<MCalenEngineGeneralCallback*>(iCallback)->HandleError( aError );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?implementation_description
+// -----------------------------------------------------------------------------
+//
+void CCalenEngine::ReleaseCalendarDatabase()
+    {
+    TRACE_ENTRY_POINT;
+
+    delete iInstanceView;
+    iInstanceView = NULL;
+    
+    Reset();
+    
+    TRACE_EXIT_POINT;
+    }
+
+
+// End of File