smshandler.cpp,v

symbian s60手机上的短信拦截源代码。

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1.1
date     2007.07.24.10.59.30;  author administrator;  state Exp;
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date     2007.07.24.10.59.30;  author administrator;  state Exp;
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@Initial revision
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@// INCLUDE FILES
#include <eikenv.h>
#include <coemain.h>
#include <e32std.h>
#include <msvids.h>
#include <msvstd.h>
#include <smsclnt.h>
#include <smut.h>
#include <mtclreg.h>
#include <txtrich.h>
#include <smscmds.h>
#include <mtmuibas.h>
#include <mtmdef.h>
#include <AknNoteWrappers.h>
#include <stringloader.h>
#include "SmsHandler.h"
#include "smutset.h"
#include "smuthdr.h"



// ============================ MEMBER FUNCTIONS ===============================
// -----------------------------------------------------------------------------
// CSmsHandler::CSmsHandler()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CSmsHandler::CSmsHandler()
: CActive( CActive::EPriorityStandard )
    {
    CActiveScheduler::Add( this );
//    iSmsAppUi = aSmsAppUi;      // pointer to AppUi
    iNextUnread = 0;            // index of next unread message in iSelection
    }

// -----------------------------------------------------------------------------
// CSmsHandler::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CSmsHandler::ConstructL()
    {
    // Session to message server is opened asynchronously.
    iSession = CMsvSession::OpenAsyncL( *this );

    // Entry selection for all received messages.
    iSelection = new ( ELeave ) CMsvEntrySelection();
    }

// -----------------------------------------------------------------------------
// CSmsHandler::NewL()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CSmsHandler* CSmsHandler::NewL( )
    {
    CSmsHandler* self = NewLC( );
    CleanupStack::Pop( self );
    return self;
    }

// -----------------------------------------------------------------------------
// CSmsHandler::NewLC()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CSmsHandler* CSmsHandler::NewLC()
    {
    CSmsHandler* self = new ( ELeave ) CSmsHandler();
    CleanupStack::PushL( self );
    self->ConstructL();
    return self;
    }

// ----------------------------------------------------------
// CSmsHandler::~CSmsHandler()
// Destructor.
// ----------------------------------------------------------
//
CSmsHandler::~CSmsHandler()
    {
    Cancel();           // cancel any outstanding request

    delete iOperation;
    delete iMtmUiRegistry;
    delete iSelection;
	delete iSmsMtm;
    delete iMtmRegistry;
    delete iSession;    // session must be deleted last
    }

// -----------------------------------------------------------------------------
// CSmsHandler::DoCancel()
// Cancels a request.
// -----------------------------------------------------------------------------
//
void CSmsHandler::DoCancel()
    {
    if ( iOperation )
        {
        iOperation->Cancel();
        }
    }

// -----------------------------------------------------------------------------
// CSmsHandler::RunL()
// Handles request completion events.
// -----------------------------------------------------------------------------
//
void CSmsHandler::RunL()
    {
    User::LeaveIfError( iStatus != KErrNone );

    // Determine the current operations progress.
    // ProgressL returns an 8 bit descriptor.
    TBufC8<KMsvProgressBufferLength> progress( iOperation->ProgressL() );
    _LIT8( KCompare, "KErrNone" );
    User::LeaveIfError( !progress.Compare( KCompare ) );

    // The pointer to the current CMsvOperation object is no longer needed.
    delete iOperation;
    iOperation = NULL;

    // Determine which request has finished.
    switch ( iState )
        {
        case EWaitingForMoving:
            // Once a message is moved to Outbox it is scheduled for sending.
            ScheduleL();
            break;

        case EWaitingForScheduling:
            {
            TMsvEntry entry( iSmsMtm->Entry().Entry() );
            TInt state( entry.SendingState() );

            if ( state == KMsvSendStateWaiting || state == KMsvSendStateScheduled)
                {
/*              HBufC* text = StringLoader::LoadLC( R_SMS_MOVED_TO_OUTBOX );
                CAknInformationNote* informationNote =
                    new ( ELeave ) CAknInformationNote;
                informationNote->ExecuteLD( *text );
                CleanupStack::PopAndDestroy( text );*/
                }

            break;
            }

        default:
            break;
        }
    }

// -----------------------------------------------------------------------------
// CSmsHandler::HandleSessionEventL()
// Handles notifications of events from the Message Server.
// -----------------------------------------------------------------------------
//
void CSmsHandler::HandleSessionEventL( TMsvSessionEvent aEvent,
                                      TAny* aArg1, TAny* aArg2, TAny* /*aArg3*/)
	{
	switch ( aEvent )
		{
        // Session to server established
		case EMsvServerReady:
            {
            TMsvId serviceId( KUidMsgTypeSMS.iUid ); // SMS service id

            // Determine if the event was succesful.
            // ServiceProgress inserts TBuf8 value in progress.
            TBuf8<KBfrLength> progress;
			iSession->ServiceProgress( serviceId, progress );
			_LIT8( KCompare, "KErrNone" );

			if ( progress.Compare( KCompare ) )
				{
/*                HBufC* text = StringLoader::LoadLC( R_SMS_SERVER_SESSION );
                CAknInformationNote* informationNote =
                    new ( ELeave ) CAknInformationNote;
                informationNote->ExecuteLD( *text );
                CleanupStack::PopAndDestroy( text );
*/
                // Check that MtmRegistry has not already been accessed.
                if ( !iMtmRegistry )
                    {
                    AccessMtmL();
                    }
                }

            else
				{
/*              HBufC* text = StringLoader::LoadLC( R_SMS_SESSION_ERROR );
                CAknErrorNote* errorNote = new ( ELeave ) CAknErrorNote;
                errorNote->ExecuteLD( *text );
                CleanupStack::PopAndDestroy( text );*/
                }

            break;
            }

        // A new entry has been created on the message server.
        case EMsvEntriesCreated:
            {
            // Entry id is obtained from the session event arguments.
            TMsvId* entryId = STATIC_CAST( TMsvId*, aArg2 );

            // We are interested in messages that are created in Inbox.
            if ( *entryId != KMsvGlobalInBoxIndexEntryId )
                {
                break;
                }

            // We take the created entries into a selection
            CMsvEntrySelection* newEntries =
                STATIC_CAST( CMsvEntrySelection*, aArg1 );

            // Process each created entry.
            for ( TInt i( 0 ); i < newEntries->Count(); i++ )
                {
                // We are interested in SMS messages.
                if ( ( iSession->GetEntryL( newEntries->At( i ) ) )
                    ->Entry().iMtm == KUidMsgTypeSMS )
                    {
                    // Add the entry to the selection of all received messages.
                    iSelection->AppendL( newEntries->At( i ), 1 );

                    // Set received messages visible.
                    MessageReceivedL( newEntries->At( i ) );
                    }
                }

            break;
            }

        case EMsvCloseSession:
        case EMsvServerTerminated:
        case EMsvGeneralError:
        case EMsvServerFailedToStart:
            {
//            iSmsAppUi->ServerDown( aEvent );    // close application
            break;
            }

        // All other events are ignored.
        default:
            break;
        }
    }

// -----------------------------------------------------------------------------
// CSmsHandler::AccessMtmL()
// Access the MTM Registry and create a SMS specific Client MTM instance.
// -----------------------------------------------------------------------------
//
void CSmsHandler::AccessMtmL()
	{
    // Create an MTM Registry object.
    iMtmRegistry = CClientMtmRegistry::NewL( *iSession );

    // Create an SMS Client MTM object.
    iSmsMtm = STATIC_CAST( CSmsClientMtm*, iMtmRegistry->NewMtmL( KUidMsgTypeSMS ) );
    }

// -----------------------------------------------------------------------------
// CSmsHandler::SendL()
// Starts the process of creating and sending an SMS message.
// -----------------------------------------------------------------------------
//
TBool CSmsHandler::SendL( const TDesC& aRecipientNumber,
                            const TDesC& aMessageText )
    {
    iRecipientNumber = aRecipientNumber;
    iMessageText = aMessageText;

    if ( CreateMsgL() )
        {
        return ETrue;
        }

    return EFalse;
    }

// -----------------------------------------------------------------------------
// CSmsHandler::CreateMsgL()
// Create an SMS message.
// -----------------------------------------------------------------------------
//
TBool CSmsHandler::CreateMsgL()
    {
    // Current entry is the Draft folder.
    iSmsMtm->SwitchCurrentEntryL( KMsvDraftEntryId );
	//iSmsMtm->SwitchCurrentEntryL( KMsvGlobalOutBoxIndexEntryId );

    // Create a new SMS message entry as a child of the current context.
    iSmsMtm->CreateMessageL( KUidMsgTypeSMS.iUid );

    CMsvEntry& serverEntry = iSmsMtm->Entry();
    TMsvEntry entry( serverEntry.Entry() );

    CRichText& body = iSmsMtm->Body();   // the body of the message
    body.Reset();
    // Insert the message text gotten as input from user.
    body.InsertL( 0, iMessageText );

    // Message will be sent immediately.
    entry.SetSendingState( KMsvSendStateWaiting );
    entry.iDate.HomeTime(); // insert current time

    // Set the SMS message settings for the message.
    CSmsHeader& header = iSmsMtm->SmsHeader();
    CSmsSettings* settings = CSmsSettings::NewL();
    CleanupStack::PushL( settings );

    settings->CopyL( iSmsMtm->ServiceSettings() );    // restore settings
    settings->SetDelivery( ESmsDeliveryImmediately ); // to be delivered immediately
    header.SetSmsSettingsL( *settings );              // new settings

	// Let's check if there is a service center address.
	if ( header.Message().ServiceCenterAddress().Length() == 0 )
		{
		// No, there isn't. We assume there is at least one service center
        // number set and use the default service center number.
		CSmsSettings* serviceSettings = &( iSmsMtm->ServiceSettings() );

        // Check if number of service center addresses in the list is null.
        if ( !serviceSettings->NumSCAddresses() )
            {
/*            HBufC* text = StringLoader::LoadLC( R_SMS_SC_NBR_MISSING );
            CAknWarningNote* warningNote = new ( ELeave ) CAknWarningNote;
            warningNote->ExecuteLD( *text );
            CleanupStack::PopAndDestroy( text );
*/
            // Remember to pop settings even if this branch is taken.
            CleanupStack::PopAndDestroy( settings );
			return EFalse;     // quit creating the message
            }

		else
			{
            // Set service center address to default.
            // The caller does not take ownership of the returned object.
            CSmsNumber* smsCenter =
                &( serviceSettings->SCAddress( serviceSettings->DefaultSC() ) );
			header.Message().SetServiceCenterAddressL( smsCenter->Address() );
		    }
        }

	CleanupStack::PopAndDestroy( settings );

    // Recipient number is displayed also as the recipient alias.
    entry.iDetails.Set( iRecipientNumber );
    // Add addressee.
    iSmsMtm->AddAddresseeL( iRecipientNumber, entry.iDetails );

    // Validate message.
    if ( !ValidateL() )