/*

* Copyright (c) 2005-2007 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:  Freestyle Email source file

*

*/

// SYSTEM INCLUDES

#include "emailtrace.h"

#include <avkon.hrh>

#include <avkon.rsg>

#include <eikmenup.h>

#include <aknappui.h>

#include <eikcmobs.h>

#include <barsread.h>

#include <StringLoader.h>

#include <AknPopupFieldText.h>

#include <eikenv.h>

#include <eikappui.h>

#include <aknViewAppUi.h>

#include <apgcli.h>

#include <FreestyleEmailUi.rsg>

// LOCAL INCLUDES

#include "FreestyleEmailUiGlobalSettingsData.h"

#include "FreestyleEmailUiGlobalSettings.hrh"

#include "FreestyleEmailUiGlobalSettingsListView.h"

#include "FreestyleEmailUiGlobalSettingsList.h"

#include "FreestyleEmailUiAppui.h"

#include "FreestyleEmailCenRepHandler.h"

#include "FreestyleEmailUiShortcutBinding.h"

#include "FreestyleEmailUiConstants.h"

/**

 * Constructor

 * @param aCommandObserver command observer

 */ 

CFsEmailUiGlobalSettingsList::CFsEmailUiGlobalSettingsList( 

		CFsEmailUiGlobalSettingsData& aSettings, 

		MEikCommandObserver* aCommandObserver )

	: iSettings( aSettings ), iCommandObserver( aCommandObserver )

	{

    FUNC_LOG;

	}

/** 

 * Destructor

 * Destroy any instance variables

 */

CFsEmailUiGlobalSettingsList::~CFsEmailUiGlobalSettingsList()

	{

    FUNC_LOG;

	}

/**

 * Handle system notification that the container's size has changed.

 */

void CFsEmailUiGlobalSettingsList::SizeChanged()

	{

    FUNC_LOG;

	if ( ListBox() ) 

		{

		ListBox()->SetRect( Rect() );

		}

	}

/**

 * Create one setting item at a time, identified by id.

 * CAknSettingItemList calls this method and takes ownership

 * of the returned value.  The CAknSettingItem object owns

 * a reference to the underlying data, which EditItemL() uses

 * to edit and store the value.

 */

CAknSettingItem* CFsEmailUiGlobalSettingsList::CreateSettingItemL( TInt aId )

	{

    FUNC_LOG;

	switch ( aId )

		{

		case EGlobalSettingsTitleDividers:

			{

			CAknBinaryPopupSettingItem* item = new ( ELeave ) 

				CAknBinaryPopupSettingItem( 

					aId,

					iSettings.TitleDividers() );

			return item;

		case EGlobalSettingsDownloadNotifications:

			{			

			CAknBinaryPopupSettingItem* item = new ( ELeave ) 

				CAknBinaryPopupSettingItem( 

					aId,

					iSettings.DownloadNotifications() );

			return item;

		case EGlobalSettingsWarnBeforeDelete:

		    {         

		    CAknBinaryPopupSettingItem* item = new ( ELeave ) 

		        CAknBinaryPopupSettingItem( 

                    aId,

                    iSettings.WarnBeforeDelete() );

            return item;

            }/*

		case EGlobalSettingsDownloadHTMLImages:

            {         

            CAknBinaryPopupSettingItem* item = new ( ELeave ) 

                CAknBinaryPopupSettingItem( 

                    aId,

                    iSettings.DownloadHTMLImages() );

            return item;

            }*/

        case EGlobalSettingsActiveIdle:

            {           

            CAknBigSettingItemBase* item = new ( ELeave )

                CAknBigSettingItemBase( aId );

            TBool hideHsSetting = !IsHsModesAppAvailable(); // handling other HS types to be added later

            item->SetHidden( hideHsSetting );

            return item;

            }

		}

	return NULL;

	}

/**

 * Edit the setting item identified by the given id and store

 * the changes into the store.

 * @param aIndex the index of the setting item in SettingItemArray()

 * @param aCalledFromMenu true: a menu item invoked editing, thus

 *	always show the edit page and interactively edit the item;

 *	false: change the item in place if possible, else show the edit page

 */

void CFsEmailUiGlobalSettingsList::EditItemL ( TInt aIndex, TBool aCalledFromMenu )

    {

    FUNC_LOG;

    CAknSettingItem* item = ( *SettingItemArray() )[aIndex];

    CAknSettingItemList::EditItemL( aIndex, aCalledFromMenu );	

    item->StoreL();

    SaveSettingValuesL();

    }

/**

 * Handle the "Change" option on the Options menu or on the MSK.

 * The argument tells which one is the case.

 */

void CFsEmailUiGlobalSettingsList::ChangeSelectedItemL( TBool aCalledFromMenu )

	{

    FUNC_LOG;

  	TInt idx = ListBox()->CurrentItemIndex(); 

	if ( idx >= 0 )

		{

		CAknSettingItem* item = ( *SettingItemArray() )[idx];

		if ( item->Identifier() == EGlobalSettingsActiveIdle )

		    {

		    if ( IsHsModesAppAvailable() )

		        {

		        ActivateHsModesEmailViewL();

		        }

		    else

		        {

		        // opening of Email widget settings or settings of non-Eseries

		        // S60 3.2 home screen plugin to be added here later

		        }

		    }

		else

		    {

	        EditItemL( idx, aCalledFromMenu );

		    }

		}

	}

/**

 *	Load the initial contents of the setting items.  By default,

 *	the setting items are populated with the default values from

 * 	the design.  You can override those values here.

 *	

 */

void CFsEmailUiGlobalSettingsList::LoadSettingValuesL()

	{

    FUNC_LOG;

	CFSEmailCRHandler *crHandler = CFSEmailCRHandler::InstanceL();

    // Layout setting item has values 1 (1 line) and 0 (2 lines) because no other values are allowed in binary items.

    // CenRep, on the other hand, uses values 1 (1 line) and 2 (2 lines).

	iSettings.SetMessageListLayout( crHandler->MessageListLayout() == 1 ? 1 : 0 );

	iSettings.SetBodyPreview( crHandler->BodyPreview() );

	iSettings.SetTitleDividers( crHandler->TitleDividers() );

	iSettings.SetActiveIdle( crHandler->ActiveIdle() );

	iSettings.SetWarnBeforeDelete( crHandler->WarnBeforeDelete() );

	//iSettings.SetDownloadHTMLImages( crHandler->DownloadHTMLImages() );

	}

/**

 *	Save the contents of the setting items.  Note, this is called

 *	whenever an item is changed and stored to the model, so it

 *	may be called multiple times or not at all.

 */

void CFsEmailUiGlobalSettingsList::SaveSettingValuesL()

	{

    FUNC_LOG;

	CFSEmailCRHandler *crHandler = CFSEmailCRHandler::InstanceL();

	// Layout setting item has values 1 (1 line) and 0 (2 lines) because no other values are allowed in binary items.

	// CenRep, on the other hand, uses values 1 (1 line) and 2 (2 lines).

	crHandler->SetMessageListLayout( iSettings.MessageListLayout() ? 1 : 2 );

	crHandler->SetBodyPreview( iSettings.BodyPreview() );

	crHandler->SetTitleDividers( iSettings.TitleDividers() );

	crHandler->SetActiveIdle( iSettings.ActiveIdle() );

	crHandler->SetWarnBeforeDelete( iSettings.WarnBeforeDelete() );

	//crHandler->SetDownloadHTMLImages( iSettings.DownloadHTMLImages() );

	}

/**

 * Get ID of the focused setting list item

 */

TInt CFsEmailUiGlobalSettingsList::FocusedItemId()

    {

    FUNC_LOG;

    TInt id = KErrNotFound;

    if ( ListBox() && SettingItemArray() )

        {

        TInt curIdx = ListBox()->CurrentItemIndex();

        CAknSettingItem* item = ( *SettingItemArray() )[curIdx];

        id = item->Identifier();

        }

    return id;

    }

/** 

 * Handle global resource changes, such as scalable UI or skin events (override)

 */

void CFsEmailUiGlobalSettingsList::HandleResourceChange( TInt aType )

	{

    FUNC_LOG;

	CAknSettingItemList::HandleResourceChange( aType );

	SetRect( iAvkonViewAppUi->View( GlobalSettingsViewId )->ClientRect() );

	}

/** 

 * Handle key event (override)

 * @param aKeyEvent key event

 * @param aType event code

 * @return EKeyWasConsumed if the event was handled, else EKeyWasNotConsumed

 */

TKeyResponse CFsEmailUiGlobalSettingsList::OfferKeyEventL( 

		const TKeyEvent& aKeyEvent, 

		TEventCode aType )

	{

    FUNC_LOG;

  	TKeyResponse retVal = EKeyWasNotConsumed;

    // Check keyboard shortcuts.

    if ( aType == EEventKey )

        {

        CFreestyleEmailUiAppUi* appUi = static_cast<CFreestyleEmailUiAppUi*>(iAvkonViewAppUi);

        TInt shortcutCommand = 

            appUi->ShortcutBinding().CommandForShortcutKey( aKeyEvent,

                                                            CFSEmailUiShortcutBinding::EContextSettings );

        if ( shortcutCommand != KErrNotFound )

            {

            appUi->View( GlobalSettingsViewId )->HandleCommandL( shortcutCommand );

            retVal = EKeyWasConsumed;

            }

        }

    if ( retVal == EKeyWasNotConsumed )

        {

        retVal = CAknSettingItemList::OfferKeyEventL( aKeyEvent, aType );

        }

    // Update MSK label after key has been consumed

    if ( retVal == EKeyWasConsumed )

        {

        CFsEmailUiGlobalSettingsListView* view =

            static_cast<CFsEmailUiGlobalSettingsListView*>( 

                    iAvkonViewAppUi->View(GlobalSettingsViewId) );

        view->SetMskL();

        }

	return retVal; 

	}

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

// Move list focus to top

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

//

void CFsEmailUiGlobalSettingsList::GoToTop()

    {

    FUNC_LOG;

    TInt count = ListBox()->Model()->NumberOfItems();

    if ( count )

        {

        ListBox()->SetCurrentItemIndexAndDraw( 0 );

        }

    }

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

// Move list focus to bottom

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

//

void CFsEmailUiGlobalSettingsList::GoToBottom()

    {

    FUNC_LOG;

    TInt count = ListBox()->Model()->NumberOfItems();

    if ( count )

        {

        ListBox()->SetCurrentItemIndexAndDraw( count-1 );

        }

    }

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

// Move selector one page up

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

//

void CFsEmailUiGlobalSettingsList::PageUp()

    {

    FUNC_LOG;

    TInt itemsOnPage = ListBox()->BottomItemIndex() - ListBox()->TopItemIndex();

    TInt currentIdx = ListBox()->CurrentItemIndex();

    TInt newIdx = Max( 0, currentIdx - itemsOnPage );

    ListBox()->SetCurrentItemIndexAndDraw( newIdx );

    }

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

// Move selector one page down

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

//

void CFsEmailUiGlobalSettingsList::PageDown()

    {

    FUNC_LOG;

    TInt count = ListBox()->Model()->NumberOfItems();

    TInt itemsOnPage = ListBox()->BottomItemIndex() - ListBox()->TopItemIndex();

    TInt currentIdx = ListBox()->CurrentItemIndex();

    TInt newIdx = Min( count-1, currentIdx + itemsOnPage );

    ListBox()->SetCurrentItemIndexAndDraw( newIdx );

    }

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

// Checks if the Homescreen Modes application is available on the device

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

//

TBool CFsEmailUiGlobalSettingsList::IsHsModesAppAvailable() const

    {

    FUNC_LOG;

    TBool available = EFalse;

    RApaLsSession apaSession;

    TInt err = apaSession.Connect();

    if ( !err )

        {

        TApaAppInfo appInfo;

        err = apaSession.GetAppInfo( appInfo, KHsModesAppUid );

        apaSession.Close();

        if ( !err )

            {

            available = ETrue;

            }

        }

    return available;

    }

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

// Activates the email view of the Homescreen Modes application

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

//

void CFsEmailUiGlobalSettingsList::ActivateHsModesEmailViewL()

    {

    FUNC_LOG;

    const TVwsViewId KModesEmailView( KHsModesAppUid, KHsModesPrimaryEmailViewId );

    iAvkonViewAppUi->ActivateViewL( KModesEmailView );

    }