/*

 * Copyright (c) 2005-2009 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:  USB Cable Connected notifier class.

 *

 */

// INCLUDE FILES

#include <eikenv.h>          // Eikon environment

#include <bautils.h>         // BAFL utils (for language file)

#include <aknlists.h>

#include <utf.h>             // Unicode character conversion utilities

#include <usb.h>

#include <centralrepository.h> 

#include <e32property.h>

//for loading icons USB fork and empty

#include <avkon.mbg>

#include <AknsConstants.h>

#include <aknmessagequerydialog.h>

//for cover display support

#include <akndiscreetpopup.h>

#include <e32uid.h> // KExecutableImageUid

#include <usbui.mbg>

#include "usbuincableconnectednotifier.h"   // Own class definition

#include "usbuinotifdebug.h"                // Debugging macros

#include "usbpersonalityids.h"

#include "usbuinotif.hrh"

// Literals

_LIT(KUSBExe, "usbclasschangeui.exe");

const TInt KUSBUIUid = 0x102068E2;

_LIT(KFileDrive,"z:");

_LIT(KUSBUIconFileName, "usbui.mif");

// ================= MEMBER FUNCTIONS =========================================

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::NewL

// Two-phased constructor.

// ----------------------------------------------------------------------------

//

CUSBUICableConnectedNotifier* CUSBUICableConnectedNotifier::NewL()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::NewL"));

    CUSBUICableConnectedNotifier* self =

            new (ELeave) CUSBUICableConnectedNotifier();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::NewL completed"));

    return self;

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::CUSBUICableConnectedNotifier

// C++ default constructor can NOT contain any code, that

// might leave.

// ----------------------------------------------------------------------------

//

CUSBUICableConnectedNotifier::CUSBUICableConnectedNotifier()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::default constructor"));

    }

// ----------------------------------------------------------------------------

// Destructor

// ----------------------------------------------------------------------------

//

CUSBUICableConnectedNotifier::~CUSBUICableConnectedNotifier()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::destructor"));

    //Make sure that the request is completed. Note that inside the destructor,

    //this virtual function call is to the local CUSBUICableConnectedNotifier::

    //Cancel, not to any possibly derived class implementation. 

    Cancel();

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::destructor completed"));

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::RegisterL

// Register notifier.

// ----------------------------------------------------------------------------

//

CUSBUICableConnectedNotifier::TNotifierInfo CUSBUICableConnectedNotifier::RegisterL()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RegisterL"));

    iInfo.iUid = KCableConnectedNotifierUid;

    iInfo.iChannel = KQueriesNotifier; // work in the same channel with the other 

    // queries so that we can use priorities

    iInfo.iPriority = ENotifierPriorityLow; // must be smaller than queries notifier

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RegisterL completed"));

    return iInfo;

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::GetParamsL

//  Jump to RunL as soon as possible.

// ----------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::GetParamsL(const TDesC8& /*aBuffer*/,

        TInt aReplySlot, const RMessagePtr2& aMessage)

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetParamsL"));

    if ( iReplySlot != 0 || iNeedToCompleteMessage)

        {

        User::Leave(KErrInUse);

        }

    iMessage = aMessage;

    iNeedToCompleteMessage = ETrue;

    iReplySlot = aReplySlot;

    // Call SetActive() so RunL() will be called by the active scheduler

    //

    iStatus = KRequestPending;

    TRequestStatus* stat = &iStatus;

    SetActive();

    User::RequestComplete(stat, KErrNone);

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetParamsL() completed"));

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::RunL

// Ask user response and return it to caller.

// ----------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::RunL()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RunL"));

    DisableKeylock();

    SuppressAppSwitching(ETrue);

    RunQueryL();

    SuppressAppSwitching(EFalse);

    RestoreKeylock();

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RunL() completed"));

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::Cancel()

// Release all own resources (member variables)

// ----------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::Cancel()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::Cancel() "));

    CompleteMessage(KErrCancel);

    CUSBUINotifierBase::Cancel();

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::Cancel() completed"));

    }

// -----------------------------------------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::GetPersonalityStringL

// Get the strings for ask on connection message query 

// -----------------------------------------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::GetPersonalityStringL(

       HBufC*& aHeader,HBufC*& aDescription )

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetPersonalityStringL"));

    TInt CurrentPersonalityID = 0; // The ID of current USB mode

    GetCurrentIdL(CurrentPersonalityID);

    RUsb usbman;

    User::LeaveIfError(usbman.Connect());

    CleanupClosePushL(usbman);

    User::LeaveIfError(usbman.GetDescription(CurrentPersonalityID,

            aDescription));

    CleanupStack::PopAndDestroy(&usbman);

    aHeader = StringLoader::LoadL(R_USB_MODE_MSG_HEADER);

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetPersonalityStringL completed"));

    }

// -----------------------------------------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::RunQueryL

// Run the ask on connection message query

// -----------------------------------------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::RunQueryL()

    {

    FLOG( _L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RunQueryL()"));

   HBufC* header = NULL;

   HBufC* description =NULL;

   GetPersonalityStringL(header, description);

   CleanupStack::PushL(header);

   CleanupStack::PushL(description);

   TFileName usbUiIconFilename( KFileDrive );

   usbUiIconFilename += KDC_APP_BITMAP_DIR;

   usbUiIconFilename += KUSBUIconFileName;

   CAknDiscreetPopup::ShowGlobalPopupL(*header,*description,  KAknsIIDQgnPropUsb, AknIconUtils::AvkonIconFileName(),

           EMbmAvkonQgn_prop_usb, EMbmAvkonQgn_prop_usb_mask,KAknDiscreetPopupDurationLong, EUSBUICmdDiscreetTapped,( MEikCommandObserver* ) this);

    CompleteMessage(KErrCancel);

    CleanupStack::PopAndDestroy(description);

    CleanupStack::PopAndDestroy(header);

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::RunQueryL completed"));

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::GetCurrentIdL

// get the current personality id

// ----------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::GetCurrentIdL(TInt& aCurrentPersonality)

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetCurrentIdL"));

    // Connecting and initialization:

    CRepository* repository = CRepository::NewL(KCRUidUsbWatcher);

    CleanupStack::PushL(repository);

    // Get the current USB mode

    repository->Get(KUsbWatcherPersonality, aCurrentPersonality);

    CleanupStack::PopAndDestroy(repository);

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::GetCurrentIdL completed"));

    }

// ----------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::ProcessCommandL()

// when discreet pop up is tapped the command will be handled here 

// ----------------------------------------------------------------------------

//

void CUSBUICableConnectedNotifier::ProcessCommandL(TInt aCommandId)

    {

    switch ( aCommandId )

            {

        case EUSBUICmdDiscreetTapped:

            {

            TUidType uidtype(KExecutableImageUid, TUid::Uid(0x00),TUid::Uid(KUSBUIUid));

            CreateChosenViewL(KUSBExe(),uidtype);  

            }

            break;

        default:

        break;

            }

    }

// ---------------------------------------------------------------------------

// CUSBUICableConnectedNotifier::CreateChosenViewL()

// creates the USB UI setting view

// ---------------------------------------------------------------------------

//  

    void CUSBUICableConnectedNotifier::CreateChosenViewL(const TDesC & aProcessName,const TUidType & aUidType) const

    {                 

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::CreateDesiredViewL() "));

        RProcess usbUiProcess;                

        User::LeaveIfError(usbUiProcess.Create(aProcessName, KNullDesC, aUidType));   

        usbUiProcess.Resume();

        usbUiProcess.Close();                     

    FLOG(_L("[USBUINOTIF]\t CUSBUICableConnectedNotifier::CreateDesiredViewL() "));         

    }

// End of File