/*

* Copyright (c) 2002-2006 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:  ?Description

*

*/

// INCLUDES

#include "CAknFileSelectionDialog.h"

#include <barsread.h>   // TResourceReader

#include <eikfrlb.h>    // CEikFormattedCellListBox

#include <aknlists.h>   // CAknPopupList

#include <avkon.mbg>

#include <aknconsts.h>

#include <commondialogs.mbg>

#include <AknIconArray.h>

#include <AknsUtils.h>

#include <AknsConstants.h>

#include <commondialogs.rsg>

#include "CAknFileSelectionModel.h"

#include "CAknFileSelectionEventHandler.h"

#include "CAknCommonDialogsPopupList.h"

#include "AknFileFilterFactory.h"

#include "AknCFDUtility.h"

// CONSTANTS

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

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

// ?classname::?classname

//

//

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

//

CAknFileSelectionDialog::CAknFileSelectionDialog( TCommonDialogType aDialogType )

    :   iDialogType( aDialogType ),

        iExecuted( EFalse )

    {

    }

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

// CAknFileSelectionDialog::ConstructFromResourceL

//

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

//

void CAknFileSelectionDialog::ConstructFromResourceL( TInt aResourceId )

    {

    BaseConstructL();

    iModel = CAknFileSelectionModel::NewL( iDialogType, *iCoeEnv );

    if( aResourceId )

        {

        // If a resource id is given, read settings from it.

        ReadFromResourceL( aResourceId );

        }

    // After user resource is read, "patch" the missing values with defaults

    // by reading all missing settings from default resource.

    SetResourceId( aResourceId, iDialogType );

    ReadFromResourceL( aResourceId );

    iEventHandler = CAknFileSelectionEventHandler::NewL(

        iCoeEnv, iModel, iDialogType, iObserver,

        ( const HBufC*& ) iLeftSoftkeyFile,

        ( const HBufC*& ) iLeftSoftkeyFolder,

        ( const HBufC*& ) iRightSoftkeyRootFolder,

        ( const HBufC*& ) iRightSoftkeySubfolder );

    }

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

// CAknFileSelectionDialog::NewL

//

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

//

EXPORT_C CAknFileSelectionDialog* CAknFileSelectionDialog::NewL(

    TCommonDialogType aDialogType )

    {

    return NewL( aDialogType, 0 );

    }

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

// CAknFileSelectionDialog::NewL

//

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

//

EXPORT_C CAknFileSelectionDialog* CAknFileSelectionDialog::NewL(

    TCommonDialogType aDialogType,

    TInt aResourceId )

    {

    CAknFileSelectionDialog* self = new( ELeave ) CAknFileSelectionDialog( aDialogType );

    CleanupStack::PushL( self );

    self->ConstructFromResourceL( aResourceId );

    CleanupStack::Pop();

    return self;

    }

// Destructor

EXPORT_C CAknFileSelectionDialog::~CAknFileSelectionDialog()

    {

    delete iModel;

    delete iEventHandler;

    delete iDefaultFolder;

    delete iRootPath;

    delete iTitle;

    delete iRightSoftkeySubfolder;

    delete iRightSoftkeyRootFolder;

    delete iLeftSoftkeyFolder;

    delete iLeftSoftkeyFile;

    }

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

// CAknFileSelectionDialog::SetObserver

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetObserver(

    MAknFileSelectionObserver* aObserver )

    {

    iObserver = aObserver;

    }

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

// CAknFileSelectionDialog::AddFilterL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::AddFilterL( MAknFileFilter* aFilter )

    {

    iModel->AddFilterL( aFilter );

    }

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

// CAknFileSelectionDialog::SetDefaultFolderL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetDefaultFolderL( const TDesC& aDefaultFolder )

    {

    AknCFDUtility::AllocateIfValidL( iDefaultFolder, aDefaultFolder );

    }

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

// CAknFileSelectionDialog::SetTitleL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetTitleL( const TDesC& aText )

    {

    AknCFDUtility::AllocateIfValidL( iTitle, aText );

    }

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

// CAknFileSelectionDialog::SetLeftSoftkeyFileL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetLeftSoftkeyFileL( const TDesC& aText )

    {

    AknCFDUtility::AllocateIfValidL( iLeftSoftkeyFile, aText );

    }

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

// CAknFileSelectionDialog::SetLeftSoftkeyFolderL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetLeftSoftkeyFolderL( const TDesC& aText )

    {

    AknCFDUtility::AllocateIfValidL( iLeftSoftkeyFolder, aText );

    }

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

// CAknFileSelectionDialog::SetRightSoftkeyRootFolderL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetRightSoftkeyRootFolderL( const TDesC& aText )

    {

    AknCFDUtility::AllocateIfValidL( iRightSoftkeyRootFolder, aText );

    }

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

// CAknFileSelectionDialog::SetRightSoftkeySubfolderL

//

//

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

//

EXPORT_C void CAknFileSelectionDialog::SetRightSoftkeySubfolderL( const TDesC& aText )

    {

    AknCFDUtility::AllocateIfValidL( iRightSoftkeySubfolder, aText );

    }

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

// CAknFileSelectionDialog::ExecuteL

//

//

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

//

EXPORT_C TBool CAknFileSelectionDialog::ExecuteL( TDes& aFileName )

    {

    __ASSERT_DEBUG( iTitle && iLeftSoftkeyFolder && iLeftSoftkeyFile &&

        iRightSoftkeyRootFolder && iRightSoftkeySubfolder,

        User::Panic( KCFDPanicText, ECFDPanicTitleOrSoftkeyNotSet ) );

    // Initialize model and set default values

    if( ( !iExecuted ) &&

        ( !PrepareL( aFileName ) ) )

        {

        // If root folder is empty, do not browse, returns ESelectionKey

        if( AknCFDUtility::IsRemoteDrive( aFileName ) )

            {

        	return ERightSoftkey;

            }

        else

            {

        	return ESelectionKey;

            }

        }

    // Listbox creation

    CEikFormattedCellListBox* listBox =

        new( ELeave ) CAknSingleGraphicPopupMenuStyleListBox();

    CleanupStack::PushL( listBox );

    TBool isEndKeyPress = EFalse;

    CAknCommonDialogsPopupList* popupList = CAknCommonDialogsPopupList::NewL(

        *iEventHandler, listBox, AknPopupLayouts::EMenuGraphicWindow, isEndKeyPress );

    CleanupStack::PushL( popupList );

    listBox->ConstructL( popupList, 0 ); // Listbox construction

    listBox->CreateScrollBarFrameL( ETrue ); // Create scroll indicator

    listBox->ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff,

        CEikScrollBarFrame::EAuto );

    // Pass model to listbox

    listBox->Model()->SetItemTextArray( iModel );

    // Set model ownership type

    listBox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );

    // Add icons to listbox, granularity 15

    CEikonEnv* eikEnv = CEikonEnv::Static();

    CAknIconArray* iconArray = new( ELeave ) CAknIconArray( 20 );

    CleanupStack::PushL( iconArray );

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    // Add folder icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,

        skin, KAknsIIDQgnPropFolderSmall, KAvkonBitmapFile,

        EMbmAvkonQgn_prop_folder_small, EMbmAvkonQgn_prop_folder_small_mask );

    // Add file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,         

        skin, KAknsIIDQgnPropFileSmall, KAvkonBitmapFile,

        EMbmAvkonQgn_prop_file_small, EMbmAvkonQgn_prop_file_small_mask );

    // Add sub folder icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,

        skin, KAknsIIDQgnPropFolderSubSmall, KAvkonBitmapFile,

        EMbmAvkonQgn_prop_folder_sub_small, EMbmAvkonQgn_prop_folder_sub_small_mask );

    // Add current folder icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,

        skin, KAknsIIDQgnPropFolderCurrent, KAvkonBitmapFile,

        EMbmAvkonQgn_prop_folder_current, EMbmAvkonQgn_prop_folder_current_mask );

    // Add image file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileImage, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_image, EMbmCommondialogsQgn_prop_fmgr_file_image_mask );

    // Add graphical message image file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileGms, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_gms, EMbmCommondialogsQgn_prop_fmgr_file_gms_mask );

    // Add link file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileLink, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_link, EMbmCommondialogsQgn_prop_fmgr_file_link_mask );

    // Add voicerec file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileVoicerec, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_voicerec, EMbmCommondialogsQgn_prop_fmgr_file_voicerec_mask );

    // Add sound file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileSound, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_sound, EMbmCommondialogsQgn_prop_fmgr_file_sound_mask );

    // Add playlist file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFilePlaylist, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_playlist, EMbmCommondialogsQgn_prop_fmgr_file_playlist_mask );

    // Add compo file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileCompo, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_compo, EMbmCommondialogsQgn_prop_fmgr_file_compo_mask );

    // Add note file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropNrtypNote, KAvkonBitmapFile,

        EMbmAvkonQgn_prop_nrtyp_note, EMbmAvkonQgn_prop_nrtyp_note_mask );

    // Add sis file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropAmSis, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_am_sis, EMbmCommondialogsQgn_prop_am_sis_mask );

    // Add video file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileVideo, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_video, EMbmCommondialogsQgn_prop_fmgr_file_video_mask );

    // Add game file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray, skin,

        KAknsIIDQgnPropFmgrFileGame, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_game, EMbmCommondialogsQgn_prop_fmgr_file_game_mask );

    // Add java file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,         

        skin, KAknsIIDQgnPropAmMidlet, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_am_midlet, EMbmCommondialogsQgn_prop_am_midlet_mask );

    // Add unknow file type icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,         

        skin, KAknsIIDQgnPropFmgrFileOther, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_fmgr_file_other, EMbmCommondialogsQgn_prop_fmgr_file_other_mask );

    // Add empty folder icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,         

        skin, KAknsIIDQgnPropFolderEmpty, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_folder_empty, EMbmCommondialogsQgn_prop_folder_empty_mask );

    // Add flash file icon.

    AknCFDUtility::AppendSkinnedImageToArrayL( *eikEnv, *iconArray,         

        skin, KAknsIIDQgnPropFileSwfSmall, KCommonDialogsBitmapFile,

        EMbmCommondialogsQgn_prop_file_swf_small, EMbmCommondialogsQgn_prop_file_swf_small_mask );

    // Set icon array

    listBox->ItemDrawer()->FormattedCellData()->SetIconArrayL( iconArray );

    CleanupStack::Pop(); // iconArray

    popupList->SetTitleL( *iTitle );

    TInt focus( 0 );

    TInt topIndex( 0 );

    if( iExecuted )

        {

        // File selection has been executed already before, get the last

        // selection from the index stack:

        iEventHandler->PopIndices( topIndex, focus);

        }

    CListBoxView* view = listBox->View();

    if( focus > 0 )

        {

        view->SetCurrentItemIndex( focus );

        }

    if( topIndex > 0 )

        {

        view->SetTopItemIndex( topIndex );

        }

    iEventHandler->ResetSoftkeyStatus();

    iEventHandler->UpdateSoftkeysL( focus, popupList->ButtonGroupContainer() );

    iEventHandler->StartFileSystemNotifierL(popupList);

    TBool returnValue( popupList->ExecuteLD() );

    if( returnValue )

        {

        TInt selectedIndex( listBox->CurrentItemIndex() );

        iModel->GetCurrentPath( aFileName );

        const TEntry& entry = iModel->Entry( selectedIndex );

        if( ( selectedIndex ) || ( !AknCFDUtility::DirectoriesOnly( iDialogType ) ) )

            {

            aFileName.Append( entry.iName );

            if( entry.IsDir() )

                {

                // Append trailing backslash to a folder name, ignore return value

                AknCFDUtility::AddTrailingBackslash( aFileName );

                }

            }

        }

    iEventHandler->StopFileSystemNotifier();

    CleanupStack::Pop(); // popupList

    CleanupStack::PopAndDestroy(); // listBox

    iExecuted = ETrue;

    if ( isEndKeyPress )

        {

        User::Leave( KErrAbort );

        }

    return returnValue;

    }

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

// CAknFileSelectionDialog::RunDlgLD

//

//

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

//

EXPORT_C TBool CAknFileSelectionDialog::RunDlgLD(

    TDes& aFileName,

    const TDesC& aDefaultFolder,

    MAknFileSelectionObserver* aObserver )

    {

    return RunL( 0, aFileName, aDefaultFolder, KNullDesC, aObserver );

    }

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

// CAknFileSelectionDialog::RunDlgLD

//

//

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

//

EXPORT_C TBool CAknFileSelectionDialog::RunDlgLD(

    TDes& aFileName,

    const TDesC& aDefaultFolder,

    const TDesC& aTitle,

    MAknFileSelectionObserver* aObserver )

    {

    return RunL( 0, aFileName, aDefaultFolder, aTitle, aObserver );

    }

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

// CAknFileSelectionDialog::RunDlgLD

//

//

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

//

EXPORT_C TBool CAknFileSelectionDialog::RunDlgLD(

    TDes& aFileName,

    const TDesC& aDefaultFolder,

    TInt aResourceId,

    MAknFileSelectionObserver* aObserver )

    {

    return RunL( aResourceId, aFileName, aDefaultFolder, KNullDesC, aObserver );

    }

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

// CAknFileSelectionDialog::RunL

//

//

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

//

TBool CAknFileSelectionDialog::RunL(

    TInt aResourceId,

    TDes& aFileName,

    const TDesC& aDefaultFolder,

    const TDesC& aTitle,

    MAknFileSelectionObserver* aObserver )

    {

    CAknFileSelectionDialog* self;

    self = CAknFileSelectionDialog::NewL( ECFDDialogTypeSelect, aResourceId );

    CleanupStack::PushL( self );

    self->SetDefaultFolderL( aDefaultFolder );

    self->SetTitleL( aTitle );

    self->iObserver = aObserver;

    TBool returnValue( self->ExecuteL( aFileName ) );

    CleanupStack::PopAndDestroy(); // self

    return returnValue;

    }

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

// CAknFileSelectionDialog::PrepareL

//

//

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

//

TBool CAknFileSelectionDialog::PrepareL( const TDesC& aFileName )

    {

    // A root path written in resource file overrides the root path in parameter

    // If the root path field is not defined in resource, parameter is used

    TPtrC rootPath = iRootPath ? ( const TDesC& ) ( *iRootPath ) : aFileName;

    TInt itemCount( iModel->SetPathL( rootPath ) );

    if( itemCount <= 0 )

        {

        if( iDialogType == ECFDDialogTypeSelect )

            {

            // In select dialog allow open empty list

            return ETrue;

            }

        // The root folder is empty, or returned error

        return EFalse;

        }

    if( iDefaultFolder )

        {

        // This is a path variable that has the remaining path that needs

        // to be gone into

        //TPath remainingPath( *iDefaultFolder );

        HBufC *bufRemainingPath = HBufC::NewLC(KMaxPath);

        *bufRemainingPath = *iDefaultFolder;

        TPtr remainingPath = bufRemainingPath->Des();

        TInt folderIndex( 0 );

        TInt topIndex( 0 );

        if( AknCFDUtility::AddTrailingBackslash( remainingPath ) == KErrNone )

            {

            TInt folderCount( AknCFDUtility::DirectoryCount( remainingPath ) );