/*

* 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:  MsgViewAttachmentsDialog implementation

*

*/

// ========== INCLUDE FILES ================================

#include <msvapi.h>

#include <eikspane.h>

#include <eikmenup.h>

#include <AknDef.h>

#include <aknappui.h>

#include <akntitle.h>

#include <aknnavi.h>

#include <aknlists.h>

#include <gulicon.h>

#include <coeutils.h>               // for ConeUtils::FileExists

#include <bautils.h>

#include <aknnotewrappers.h>

#include <AknWaitDialog.h>          // CAknWaitDialog

#include <DocumentHandler.h>

#include <StringLoader.h>           // StringLoader

#include <AiwCommon.h>

#include <NpdApi.h>

#include <mmsvattachmentmanager.h>

#include <avkon.hrh>

#include <aknlayout.cdl.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <AknUtils.h>

#include <AknsUtils.h>          // skinned icons

#include <AknsConstants.h>      // skinned icon ids

#include "MsgEditorCommon.h"        // for KMsgEditorMbm

#include "MsgEditorDocument.h"

#include "MsgAttachmentInfo.h"

#include "MsgAttachmentModel.h"

#include "MsgViewAttachmentsDialog.h"

#include "MsgAttachmentUtils.h"

#include <msgeditor.mbg>

#include "MsgEditorAppUi.hrh"

#include <MsgEditorAppUi.rsg>       // resouce identifiers

#include <aknlistloadertfx.h>

#include <aknlistboxtfxinternal.h>

// ========== EXTERNAL DATA STRUCTURES =====================

// ========== EXTERNAL FUNCTION PROTOTYPES =================

// ========== CONSTANTS ====================================

_LIT8( KTextDataType, "text/plain" );

const TUid KNotepadUID3 = { 0x1000599d };

// ========== MACROS =======================================

// ========== LOCAL CONSTANTS AND MACROS ===================

// ========== MODULE DATA STRUCTURES =======================

// ========== LOCAL FUNCTION PROTOTYPES ====================

// ========== LOCAL FUNCTIONS ==============================

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

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

// CMsgViewAttachmentsDialog::CMsgViewAttachmentsDialog

//

// Constructor.

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

//

EXPORT_C CMsgViewAttachmentsDialog::CMsgViewAttachmentsDialog(

    TDesC& aTitle, TInt aMenuId, CMsgAttachmentModel& aAttachmentModel )

    : iAttachmentModel( aAttachmentModel ),

      iNewTitle( aTitle ),

      iMenuId( aMenuId )

    {

    }

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

// CMsgViewAttachmentsDialog::~CMsgViewAttachmentsDialog

//

// Destructor.

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

//

EXPORT_C CMsgViewAttachmentsDialog::~CMsgViewAttachmentsDialog()

    {

    delete iOldTitle;

    // because it's not possible to set externally owned icon array

    // for listbox, we delete our icon array here and set listbox

    // icon array to NULL.

    delete iIconArray;

    if ( iListBox )

        {

        TRAP_IGNORE( iListBox->ItemDrawer()->FormattedCellData()->SetIconArrayL( NULL ) );

        }

    delete iListItems;

    delete iDocHandler;

    // remove empty navi pane.

    if ( iNaviPane )

        {

        iNaviPane->Pop();

        }

    delete iOpenParamList;

    }

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

// CMsgViewAttachmentsDialog::ConstructL

//

// 2nd phase constructor.

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

//

EXPORT_C void CMsgViewAttachmentsDialog::ConstructL()

    {

    DoConstructL();

    }

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

// CMsgViewAttachmentsDialog::ConstructL

//

// 2nd phase constructor.

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

//

EXPORT_C void CMsgViewAttachmentsDialog::ConstructL( CMsvEntry& aMessageEntry )

    {

    iMessageEntry = &aMessageEntry;

    DoConstructL();

    }

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

// CMsgViewAttachmentsDialog::DoConstructL

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

//

void CMsgViewAttachmentsDialog::DoConstructL()

    {

    CAknDialog::ConstructL( R_MEB_ATTACHMENTS_MENUBAR );

    iDocHandler = CDocumentHandler::NewL( iEikonEnv->Process() );

    // replace navi pane with empty one.

    iNaviPane = static_cast<CAknNavigationControlContainer*>

        ( iEikonEnv->AppUiFactory()->StatusPane()->ControlL(

            TUid::Uid( EEikStatusPaneUidNavi ) ) );

    // CAknNavigationControlContainer internal array of decorators seem to

    // have big enough granularity that it does not need realloc

    // and therefore PushDefaultL does not leave.

    iNaviPane->PushDefaultL();

    iDocHandler->SetExitObserver( this );

    }

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

// CMsgViewAttachmentsDialog::CurrentListItemIndex

//

//

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

//

EXPORT_C TInt CMsgViewAttachmentsDialog::CurrentListItemIndex()

    {

    return iListBox->CurrentItemIndex();

    }

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

// CMsgViewAttachmentsDialog::UpdateIcon

//

//

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

//

EXPORT_C void CMsgViewAttachmentsDialog::UpdateIcon( TInt aListIndex )

    {

    iListBox->DrawItem( aListIndex );

    }

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

// CMsgViewAttachmentsDialog::ProcessCommandL

//

//

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

//

EXPORT_C void CMsgViewAttachmentsDialog::ProcessCommandL( TInt aCommandId )

    {

    HideMenu();

    TFileName filename;

    TInt index = iListBox->CurrentItemIndex();

    switch ( aCommandId )

        {

        case EMsgViewAttachmentCmdOpen:

            {

            if ( iBusy )

                {

                return;

                }

            if ( index != KErrNotFound )

                {

                iBusy = ETrue;

                CleanupStack::PushL( TCleanupItem( CleanupPointer, &iBusy ) );

                CMsgAttachmentInfo& attInfo =

                    iAttachmentModel.AttachmentInfoAt( index );

                TDataType datatype( attInfo.DataType() );

                RFile file = iAttachmentModel.GetAttachmentFileL( index );

                TInt ret( KErrNone );

                if ( datatype == KTextDataType() )

                    {

                    TInt charset( attInfo.CharacterSet() );

                    CleanupClosePushL( file );

                    // file handle ownership transferred.

                    ret = CNotepadApi::ExecFileViewerL( file, 

                                                        NULL,

                                                        ETrue,

                                                        charset != KErrNotFound ? EFalse : ETrue,

                                                        charset );

                    CleanupStack::Pop( &file );

                    }

                else

                    {

                    CleanupClosePushL( file );

                    if ( iOpenParamList )

                        {

                        TRAP( ret,iDocHandler->OpenFileEmbeddedL( file, datatype, *iOpenParamList ) );

                        }

                    else

                        {

                        TRAP( ret,iDocHandler->OpenFileEmbeddedL( file, datatype ) );

                        }

                    CleanupStack::PopAndDestroy( &file );

                    }

                // sets iBusy to EFalse.

               CleanupStack::PopAndDestroy(); // CleanupPointer

                switch ( ret )

                    {

                    case KErrNone:

                        {

                        if (datatype != KTextDataType())

                            {

                                iBusy = ETrue;

                            }

                        }

                    case KUserCancel:

                        {

                        break;

                        }

                    case KErrNoMemory:

                    case KErrDiskFull:

                        {

                        User::Leave( ret );

                        }

                    default:

                        {

                        CAknInformationNote* note = new ( ELeave ) CAknInformationNote;

                        HBufC* text = StringLoader::LoadLC( R_QTN_MMS_INFO_CANNOT_OPEN, iCoeEnv );

                        note->ExecuteLD( *text );

                        CleanupStack::PopAndDestroy(); // text

                        }

                    }

                }

            break;

            }

        case EMsgViewAttachmentCmdSave:

            {

            if ( index != KErrNotFound )

                {

                // Save to the default location of this type

                TInt ret = KErrNone;

                CMsgAttachmentInfo& attInfo = iAttachmentModel.AttachmentInfoAt( index );

                TDataType datatype( attInfo.DataType() );

                RFile file  = iAttachmentModel.GetAttachmentFileL( index );

                CleanupClosePushL( file );

                if ( datatype == KTextDataType() )

                    {

                    ret = DoSaveTextFileL( file, attInfo.CharacterSet() );

                    }

                else

                    {

                    TFileName dst;

                    User::LeaveIfError( file.Name( dst ) );

                    ret = iDocHandler->CopyL( file, dst, datatype, KEntryAttNormal );

                    }

                CleanupStack::PopAndDestroy( &file );

                if ( ret != KErrNone && ret != KUserCancel )

                    {

                    User::LeaveIfError( ret );

                    }

                else if ( ret == KErrNone )

                    {

                    attInfo.SetSaved( ETrue );

                    }

                }

            break;

            }

        case EMsgViewAttachmentCmdRemove:

            {

            if ( index != KErrNotFound )

                {

                RemoveAttachmentL( index );

                ItemRemovedL( index );

                }

            break;

            }

        case EMsgViewAttachmentCmdInsertImage:

            {

            if ( MsgAttachmentUtils::FetchFileL(

                MsgAttachmentUtils::EImage, filename ) )

                {

                InsertAttachmentL( filename, aCommandId );

                }

            break;

            }

        case EMsgViewAttachmentCmdInsertAudio:

            {

            if ( MsgAttachmentUtils::FetchFileL(

                MsgAttachmentUtils::EAudio, filename ) )

                {

                InsertAttachmentL( filename, aCommandId );

                }

            break;

            }

        case EMsgViewAttachmentCmdInsertVideo:

            {

            if ( MsgAttachmentUtils::FetchFileL(

                MsgAttachmentUtils::EVideo, filename ) )

                {

                InsertAttachmentL( filename, aCommandId );

                }

            break;

            }

        case EMsgViewAttachmentCmdInsertNote:

            {

            if ( MsgAttachmentUtils::FetchFileL(

                MsgAttachmentUtils::ENote, filename ) )

                {

                InsertAttachmentL( filename, aCommandId );

                }

            break;

            }

        case EAknCmdExit:

        case EEikCmdExit:

            {

            static_cast<MEikCommandObserver*>( iEikonEnv->EikAppUi() )

                ->ProcessCommandL( EAknCmdExit );

            break;

            }

        default:

            {

            break;

            }

        }

    }

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

// CMsgViewAttachmentsDialog::DynInitMenuPaneL

//

//

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

//

EXPORT_C void CMsgViewAttachmentsDialog::DynInitMenuPaneL(

    TInt aMenuId, CEikMenuPane* aMenuPane )

    {

    if ( aMenuId == R_MEB_ATTACHMENTS_MENUPANE )

        {

        // Add menu items from given menu.

        aMenuPane->AddMenuItemsL( iMenuId, 0, ETrue );

        // Delete our dummy first menu item.

        aMenuPane->DeleteMenuItem( 0 );

        }

    }

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

// CMsgViewAttachmentsDialog::HandleResourceChangeL

//

//

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

//

EXPORT_C void CMsgViewAttachmentsDialog::HandleResourceChange(TInt aType)

    {

    if ( aType == KEikDynamicLayoutVariantSwitch ||

        aType == KAknsMessageSkinChange )

        {

        TRAP_IGNORE( iAttachmentModel.LoadResourcesL() );

        }    

    CEikDialog::HandleResourceChange( aType );

    }

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

// CMsgViewAttachmentsDialog::HandleServerAppExit

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

//

EXPORT_C void CMsgViewAttachmentsDialog::HandleServerAppExit( TInt /*aReason*/)

    {

    // replace navi pane with empty one.

    TRAP_IGNORE(iNaviPane->PushDefaultL());

    iBusy = EFalse;

    }

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

// CMsgViewAttachmentsDialog::HandleControlStateChangeL

//

//

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

//

EXPORT_C void CMsgViewAttachmentsDialog::HandleControlStateChangeL( TInt aControlId )

    {

    if ( aControlId == EMsgAttachmentListBoxId )

        {

        DoUpdateUiL();

        }

    CAknDialog::HandleControlStateChangeL( aControlId );

    }

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

// CMsgViewAttachmentsDialog::OkToExitL

//

//

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

//

EXPORT_C TBool CMsgViewAttachmentsDialog::OkToExitL( TInt aButtonId )

    {

    if ( iBusy )

        {

        return EFalse;

        }

    if ( aButtonId == EAknSoftkeyBack )

        {

        iTitlePane->SetTextL( *iOldTitle );

        }

    else if ( aButtonId == EAknSoftkeyOpen )

        {

        if ( iAttachmentModel.NumberOfItems() != 0 &&

             !iAttachmentModel.AttachmentInfoAt( CurrentListItemIndex() ).IsEmptyAttachment() )

                {

                ProcessCommandL( EMsgViewAttachmentCmdOpen );

                }

        return EFalse;

        }

    return CAknDialog::OkToExitL( aButtonId );

    }

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

// CMsgViewAttachmentsDialog::CreateCustomControlL

//

//

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

//

EXPORT_C SEikControlInfo CMsgViewAttachmentsDialog::CreateCustomControlL( TInt aControlType )

    {

    SEikControlInfo controlInfo;

    controlInfo.iControl = NULL;

    controlInfo.iTrailerTextId = 0;

    controlInfo.iFlags = 0;

    if ( aControlType == EMsgAttachmentListBox )

        {

        controlInfo.iControl = new ( ELeave ) CMsgAttachmentsListBox( iAttachmentModel );

        }

    return controlInfo;

    }

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

// CMsgViewAttachmentsDialog::HandleListBoxEventL

//

//

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

//

#ifdef RD_SCALABLE_UI_V2

EXPORT_C void CMsgViewAttachmentsDialog::HandleListBoxEventL( CEikListBox* /*aListBox*/, 

                                                              TListBoxEvent aEventType )

    {

    if ( aEventType == MEikListBoxObserver::EEventItemSingleClicked &&

         !iAttachmentModel.AttachmentInfoAt( CurrentListItemIndex() ).IsEmptyAttachment() )

        {

        ProcessCommandL( EMsgViewAttachmentCmdOpen );

        }

    }

#else

EXPORT_C void CMsgViewAttachmentsDialog::HandleListBoxEventL( CEikListBox* /*aListBox*/, 

                                                              TListBoxEvent /*aEventType*/ )

    {

    }

#endif // RD_SCALABLE_UI_V2

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

// CMsgViewAttachmentsDialog::PreLayoutDynInitL

//

//

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