iaupdate/IAD/ui/src/iaupdatesession.cpp
changeset 0 ba25891c3a9e
child 17 741e5bba2bd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/ui/src/iaupdatesession.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,398 @@
+/*
+* Copyright (c) 2007-2009 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 module contains the implementation of CIAUpdateSession class 
+*                member functions.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <w32std.h>
+#include <apgtask.h>
+#include <iaupdateparameters.h>
+#include <iaupdateresult.h>
+
+#include "iaupdatesession.h"
+#include "iaupdateserver.h"
+
+// Parameters are transmitted from the client side to the server
+#include "iaupdatetools.h"
+#include "iaupdateclientdefines.h"
+#include "iaupdateappui.h"
+#include "iaupdatelauncheruids.h"
+#include "iaupdatedebug.h"
+
+// CONSTANTS
+const TSecureId KSIDBackgroundChecker = 0x200211f4;
+const TSecureId KSIDLauncher = KIAUpdateLauncherUid;
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::CIAUpdateSession
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CIAUpdateSession::CIAUpdateSession()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CIAUpdateSession()");
+    iEikEnv = CEikonEnv::Static();
+    }
+    
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::CIAUpdateSession
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CIAUpdateSession::~CIAUpdateSession()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() begin");    
+    CIAUpdateAppUi* appUi = 
+        static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() );
+    if ( appUi ) 
+        {
+    	appUi->HandleObserverRemoval();
+        }
+    delete iMessage;
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::~CIAUpdateSession() end");  
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::ServiceL
+// Handles the received message.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateSession::ServiceL( const RMessage2& aMessage )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() begin");
+    // Dispatch the message in trap harness.
+    TRAPD( result, HandleRequestL( aMessage ) );
+    // If HandleRequest Left, the message has to be completed
+    // here. Otherwise, the RequestCompleted callback will be called
+    // when the operations finishes
+    if ( result != KErrNone )   
+        {
+        IAUPDATE_TRACE_1("[IAUPDATE] HandleRequestL leave with error: %d", result );
+        aMessage.Complete( result );
+        } 
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceL() end");
+    }
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::ServiceError
+// Called back by the server framework if this sessions RunL function returns an
+// error.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateSession::ServiceError( const RMessage2& aMessage, TInt aError )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() begin");
+    IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError );
+    // A bad descriptor error implies a badly programmed client, so panic it;
+    // otherwise use the default handling (report the error to the client)
+    if ( aError == KErrBadDescriptor )
+        {
+        //PanicClient( aMessage, ECIAUpdatePanicBadDescriptor );
+        }
+    CAknAppServiceBase::ServiceError( aMessage, aError );   
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::ServiceError() end");
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::CreateL
+// Completes construction of this server-side client session object.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateSession::CreateL()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() begin");
+    CAknAppServiceBase::CreateL();   
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::CreateL() end");
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::RequestCompleted
+// @see MIAUpdateRequestObserver::RequestCompleted
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateSession::RequestCompleted( CIAUpdateResult* aResult, 
+                                         TInt aCountOfAvailableUpdates,  
+                                         TBool aUpdateNow, 
+                                         TInt aError )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() begin");
+    IAUPDATE_TRACE_1("[IAUPDATE] error code: %d", aError );
+
+    if ( !iMessage ) //be sure that there is still message to complete
+        {
+        IAUPDATE_TRACE("[IAUPDATE] No message to complete");
+        IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end");
+        return;
+        }
+
+    IAUpdateClientDefines::TIAUpdateServerFunctions functionId =
+        static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( iMessage->Function() );
+ 
+    TInt error( KErrNone );       
+
+    switch( functionId )
+        {
+        case IAUpdateClientDefines::EIAUpdateServerCheckUpdates:
+            {
+            TPckg<TInt> availableUpdates( aCountOfAvailableUpdates ); 
+            TPtr8 ptr1( availableUpdates );
+            TRAP( error, iMessage->WriteL( 1, ptr1 ) );
+            break;	
+            }
+             
+        case IAUpdateClientDefines:: EIAUpdateServerShowUpdateQuery:
+            {
+            TPckg<TInt> updateNow( aUpdateNow ); 
+            TPtr8 ptr1( updateNow );
+            TRAP( error, iMessage->WriteL( 1, ptr1 ) );
+            break;	
+            }
+
+        case IAUpdateClientDefines::EIAUpdateServerShowUpdates:
+            {
+            TPckg<TInt> successCount( aResult->SuccessCount() ); 
+            TPtr8 ptr1( successCount ); 
+  
+            TPckg<TInt> failCount( aResult->FailCount() );
+            TPtr8 ptr2( failCount );
+         	
+            TPckg<TInt> cancelCount( aResult->CancelCount() );
+            TPtr8 ptr3( cancelCount );
+    
+            TRAP( error,
+                  iMessage->WriteL( 1, ptr1 );
+                  iMessage->WriteL( 2, ptr2 );
+                  iMessage->WriteL( 3, ptr3 ); );            
+            break;	
+            }
+        case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher:
+            break;    
+        default:
+            // We should never come here.
+            break;
+        }            
+
+    if ( error == KErrNone )
+        {
+        // Writing of the data in to the message went ok.
+        // So, nothing to inform about that.
+        // Insert possible error code of the update operation.
+        error = aError;
+        }
+
+    delete aResult;
+    aResult = NULL;
+
+    iMessage->Complete( error );
+    delete iMessage;
+    iMessage = NULL;
+                
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::RequestCompleted() end");
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::Server
+// Returns reference to the server.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CIAUpdateServer& CIAUpdateSession::Server()
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::Server()");
+    return *static_cast<CIAUpdateServer*>( const_cast<CServer2*>
+                                         ( CSession2::Server() ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::HandleRequestL
+// Handles the request.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CIAUpdateSession::HandleRequestL( const RMessage2& aMessage )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() begin");    
+    
+    CIAUpdateAppUi* appUi = 
+        static_cast<CIAUpdateAppUi*>( iEikEnv->EikAppUi() );     
+    // First value is the function number
+    IAUpdateClientDefines::TIAUpdateServerFunctions functionId =
+        static_cast<IAUpdateClientDefines::TIAUpdateServerFunctions>( aMessage.Function() );
+    IAUPDATE_TRACE_1("[IAUPDATE] function id: %d", functionId );
+      
+    if ( functionId == IAUpdateClientDefines::EIAUpdateServerCancel )  
+        {
+        appUi->PotentialCancel();
+        if ( iMessage ) //complete possible ongoing request
+            {
+        	iMessage->Complete( KErrCancel );
+        	delete iMessage;
+        	iMessage = NULL;  
+            }
+        // Because cancel is sent synchronously from the client side,
+        // aMessage is different than the iMessage for other operation
+        // that is currently going on asynchronously.
+        // So, RequestCompleted above closed that connection.
+        // Now, inform the caller of the cancel operation
+        // that cancellation was success.
+        aMessage.Complete( KErrNone );
+        IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end");
+    	return;
+        }
+    
+    if ( functionId == IAUpdateClientDefines::EIAUpdateServerToForeground )  
+        {
+        appUi->HandleClientToForegroundL();
+        aMessage.Complete( KErrNone );
+        IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end");
+        return;
+        }
+    
+    if ( functionId == IAUpdateClientDefines::EIAUpdateServerSendWgId )  
+        {
+        TPckgBuf<TInt> wgIdPkg( 0 );
+        aMessage.ReadL( 0, wgIdPkg ); 
+        TInt wgId = wgIdPkg(); 
+        appUi->SetClientWgId( wgId );
+        aMessage.Complete( KErrNone );
+        IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end");
+        return;
+        }
+    
+        
+    if ( iMessage )
+        {
+        // This session is used in a wrong way because the
+        // old operation has not been completed before new one is
+        // started.
+        User::Leave( KErrInUse );
+        }
+        
+    iMessage = new( ELeave ) RMessage2( aMessage );
+    if ( functionId == IAUpdateClientDefines::EIAUpdateServerStartedByLauncher )
+        {
+        TPckgBuf<TBool> refreshFromNetworkDeniedPkg( 0 );
+        aMessage.ReadL( 0, refreshFromNetworkDeniedPkg ); 
+        TBool refreshFromNetworkDenied = refreshFromNetworkDeniedPkg(); 
+    	appUi->StartedByLauncherL( *this, refreshFromNetworkDenied );
+        }
+    else if ( functionId == IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery )  
+        {
+        // Handle the update query dialog request
+        TUint id = aMessage.SecureId().iId;
+    	appUi->ShowUpdateQueryRequestL( *this, id ); 
+        }
+    else
+        {
+        // Handle update operation related requests.
+        HBufC8* data = NULL;
+        data = HBufC8::NewLC( aMessage.GetDesLength( 0 ) );
+        TPtr8 ptr( data->Des() );            
+        aMessage.ReadL( 0, ptr );
+    
+        CIAUpdateParameters* params( CIAUpdateParameters::NewLC() );
+        IAUpdateTools::InternalizeParametersL( *params, *data );
+        // Do not destroy, because ownership of params is transferred
+        // below.
+        CleanupStack::Pop( params );
+        CleanupStack::PopAndDestroy( data );
+        
+        if ( aMessage.SecureId() != KSIDBackgroundChecker )      
+            {
+            // other processes than backroundchecker are not allowed to cause refresh from network 
+            params->SetRefresh( EFalse );
+            }
+        switch( functionId )
+            {
+            case IAUpdateClientDefines::EIAUpdateServerCheckUpdates:
+                appUi->CheckUpdatesRequestL( *this, params );
+                break;
+
+            case IAUpdateClientDefines::EIAUpdateServerShowUpdates:
+                appUi->ShowUpdatesRequestL( *this, params );
+                break;
+                    
+            default:
+            // We should never come here
+                delete params;
+                params = NULL;
+                break;
+            }    
+        }
+     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::HandleRequestL() end"); 
+     }    
+
+
+// -----------------------------------------------------------------------------
+// CIAUpdateSession::SecurityCheckL
+// Virtual framework function that is called on receipt of a message from the
+// client. This allows the service implementation to define a security policy
+// for messages from the client.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CPolicyServer::TCustomResult CIAUpdateSession::SecurityCheckL( const RMessage2& aMsg,
+                                                             TInt& /*aAction*/,
+                                                             TSecurityInfo& /*aMissing*/ )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() begin");
+    
+    CPolicyServer::TCustomResult result = CPolicyServer::EFail; 
+    switch ( aMsg.Function() )
+        {
+        case IAUpdateClientDefines::EIAUpdateServerStartedByLauncher:
+            if ( aMsg.SecureId() == KSIDLauncher )  
+                {
+                result = CPolicyServer::EPass;
+                }
+            break;
+        case IAUpdateClientDefines::EIAUpdateServerCheckUpdates:
+        case IAUpdateClientDefines::EIAUpdateServerShowUpdates:
+        // no capability check is needed because SID is checked later
+        // that means that only bacgkroundchecker is allowed to initiate network refresh
+            
+        case IAUpdateClientDefines::EIAUpdateServerShowUpdateQuery:
+        case IAUpdateClientDefines::EIAUpdateServerCancel:
+        case IAUpdateClientDefines::EIAUpdateServerToForeground:
+        case IAUpdateClientDefines::EIAUpdateServerSendWgId:
+        // No capabilities needed
+            result = CPolicyServer::EPass;
+            break;
+
+        default:
+            // Not recognized message
+            result = CPolicyServer::EFail;
+        }
+    IAUPDATE_TRACE_1("[IAUPDATE] result: %d", result );
+    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateSession::SecurityCheckL() end");
+    return result; 
+    }
+
+
+//  End of File