/*

* Copyright (c) 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:

* Implementation of the container control for WidgetManager application.

*

*/

// INCLUDE FILES

#include <aknViewAppUi.h>

#include <eikappui.h>

#include <widgetmanagerview.rsg>

#include <coemain.h>

#include <eikenv.h>

#include <barsread.h>

#include <AknUtils.h>

#include <barsread.h>

#include <StringLoader.h>

#include <eikenv.h>

#include <AknIconArray.h>

#include <aknstyluspopupmenu.h> 

#include <avkon.loc>

#include <aknlayout.cdl.h>

#include <layoutmetadata.cdl.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <AknLayout.lag>

#include <AknsSkinInstance.h>

#include <apgicnfl.h>

#include <AknIconUtils.h>

#include <AknsDrawUtils.h>

#include <aknenv.h>

#include <aknlists.h>

#include <eikclbd.h>

#include <aknsfld.h>

#include <AknsBasicBackgroundControlContext.h>

#include <apgcli.h>

#include <widgetmanager.mbg>

#include <avkon.rsg>

#include <coecobs.h>

#include <coecntrl.h>

#include <SWInstApi.h> //installer

#include <widgetregistryclient.h> // widgetreqistry

#include <schemehandler.h> // for starting the OVI client

#include <featmgr.h>     // FeatureManager

#include <hlplch.h>      // HlpLauncher

#include <csxhelp/hmsc.hlp.hrh>

#include <aisystemuids.hrh>

#include <centralrepository.h>

#include "wmcrkeys.h"

#include "wmcommon.h"

#include "wmplugin.h"

#include "wmmaincontainer.h"

#include "wmmaincontainerview.h"

#include "wmresourceloader.h"

#include "widgetmanager.hrh"

#include "wmlistbox.h"

#include "wmpersistentwidgetorder.h"

#include "wmdetailsdlg.h"

#include "wmportalbutton.h"

#include "wmwidgetloaderao.h"

// CONSTANTS

const TInt KTextLimit = 40; // Text-limit for find-field

const TInt KMinWidgets = 1; // minimum number of widgets to show findpane

_LIT8( KWrtMime, "application/x-nokia-widget");

_LIT( KBrowserPrefix, "4 ");

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

// CWmMainContainer::CWmMainContainer()

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

//

CWmMainContainer::CWmMainContainer( CWmPlugin& aWmPlugin ) :

    iWmPlugin( aWmPlugin )

	{

    iWidgetsList = NULL;

    iFindbox = NULL;

    iFindPaneIsVisible = EFalse;

    iBgContext = NULL;

    iFocusMode = ENowhere;

    iClosingDown = ETrue;

	}

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

// CWmMainContainer::~CWmMainContainer()

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

//

CWmMainContainer::~CWmMainContainer()

	{

    delete iOviStoreUrl;

    delete iOviStoreClientBundleId;

    delete iOviStoreClientParam;

    RemoveCtrlsFromStack();

    Components().ResetAndDestroy();

    delete iWidgetLoader;

    iWidgetsList = NULL;

    iOviPortal = NULL;

    iFindbox = NULL;

	delete iBgContext;

	}

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

// CWmMainContainer::NewL

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

//

CWmMainContainer* CWmMainContainer::NewL( 

    const TRect& aRect,

    CWmPlugin& aWmPlugin )

	{

	CWmMainContainer* self = CWmMainContainer::NewLC( 

        aRect, 

        aWmPlugin );

	CleanupStack::Pop( self );

	return self;

	}

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

// CWmMainContainer::NewLC

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

//

CWmMainContainer* CWmMainContainer::NewLC( 

    const TRect& aRect,

    CWmPlugin& aWmPlugin )

	{

	CWmMainContainer* self = new (ELeave) CWmMainContainer( aWmPlugin );

	CleanupStack::PushL( self );

	self->ConstructL( aRect );

	return self;

	}

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

// ScreenRect

// rectangle representing the screen

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

//

TRect ScreenRect()

    {

    TRect screen;

    CCoeEnv* env = CCoeEnv::Static();

    if ( env )

        {

        CWsScreenDevice* screenDevice = env->ScreenDevice();

        if ( screenDevice )

            screen.SetRect( TPoint(0,0), screenDevice->SizeInPixels() );

        }

    return screen;

    }

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

// CWmMainContainer::ConstructL

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

//

void CWmMainContainer::ConstructL( 

		const TRect& aRect )

	{  

    // Initialize control array

	InitComponentArrayL();

	Components().SetControlsOwnedExternally( ETrue );

    // create the UI

    CreateWindowL();

	// background context

	iBgContext = CAknsBasicBackgroundControlContext::NewL( 

	        KAknsIIDQsnBgScreen, ScreenRect() , ETrue);

	// Read needed values from cenrep

	TRAP_IGNORE( FetchRepositoryDataL(); );

	// set up controls

	InitializeControlsL( aRect );

	// set size and activate

	SetRect( aRect );

    ActivateL();

	}

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

// CWmMainContainer::FetchRepositoryDataL

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

//

void CWmMainContainer::FetchRepositoryDataL()

    {

    iOviStoreUrl = NULL;

    iOviStoreClientBundleId = NULL;

    iOviStoreClientParam = NULL;

    CRepository *repository = CRepository::NewLC( 

            TUid::Uid( KCrWidgetManagerm ) );

    TInt err = KErrNone;

    //read localized data from cenrep

    TLanguage sysLang = User::Language();

    for( TUint32 i = KLangId0; i <= KLangId9; i+=4 )

        {

        TInt crLang = 0;

        err = repository->Get( i, crLang );

        if ( sysLang == crLang && err == KErrNone )

            {

            // system langauge matches langauge in cenrep

            iOviStoreUrl = HBufC::NewL( 

                    NCentralRepositoryConstants::KMaxUnicodeStringLength );

            TPtr ptr( iOviStoreUrl->Des() );

            // get localized ovi store url

            err = repository->Get( i + KOviStoreBrowserUrlOffset, ptr );

            if ( err != KErrNone )

                {

                delete iOviStoreUrl;

                iOviStoreUrl = NULL;

                }

            }

        }

    //read other data from cenrep

    iOviStoreClientBundleId = HBufC::NewL( 

            NCentralRepositoryConstants::KMaxUnicodeStringLength );

    TPtr ptr( iOviStoreClientBundleId->Des() );

    err = repository->Get( KOviStoreBunbleId, ptr );

    if ( err != KErrNone )

        {

        delete iOviStoreClientBundleId;

        iOviStoreClientBundleId = NULL;

        }

    iOviStoreClientParam = HBufC::NewL( 

            NCentralRepositoryConstants::KMaxUnicodeStringLength );

    ptr.Set( iOviStoreClientParam->Des() );

    err = repository->Get( KOviStoreClientParam, ptr );

    if ( err != KErrNone )

        {

        delete iOviStoreClientParam;

        iOviStoreClientParam = NULL;

        }

    CleanupStack::PopAndDestroy( repository );

    }

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

// CWmMainContainer::SizeChanged

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

//

void CWmMainContainer::SizeChanged()

	{

	CCoeControl::SizeChanged();

    iBgContext->SetRect( ScreenRect() );

	LayoutControls();

	}

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

// CWmMainContainer::LayoutControls

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

//

void CWmMainContainer::LayoutControls()

	{

    TBool landscape = Layout_Meta_Data::IsLandscapeOrientation();

    TAknWindowLineLayout listPane = 

                AknLayoutScalable_Apps::listscroll_wgtman_pane(landscape ? 1 : 0).LayoutLine();

    TAknWindowLineLayout btnPane = 

                AknLayoutScalable_Apps::wgtman_btn_pane(landscape ? 1 : 0).LayoutLine();

	TRect rect = Rect();	

	if ( landscape )

	    {

        if ( Layout_Meta_Data::IsMirrored() )

            {

            iLayout = ELandscapeMirrored;

            }

        else

            {

            iLayout = ELandscape;

            }

	    }

	else

	    {

        iLayout = EPortrait;

	    }

    // layout Ovi button

    AknLayoutUtils::LayoutControl( iOviPortal, rect, btnPane );

    if( iFindbox && iFindPaneIsVisible )

        {

		TAknLayoutRect layoutRect;

        layoutRect.LayoutRect( rect, listPane );

		iWidgetsList->SetRect( layoutRect.Rect() );

        HandleFindSizeChanged();

        }

    else

        {

        AknLayoutUtils::LayoutControl( iWidgetsList, rect, listPane );

        }

    DrawDeferred();

	}

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

// CWmMainContainer::OfferKeyEventL

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

//

TKeyResponse CWmMainContainer::OfferKeyEventL( 

		const TKeyEvent& aKeyEvent, 

		TEventCode aType )

	{

    TKeyResponse keyResponse( EKeyWasNotConsumed );

    if ( iFindbox )

        {

        // open search field with alpha digit numbers

        if ( aType == EEventKeyDown && !iFindPaneIsVisible && 

        aKeyEvent.iScanCode < EStdKeyF1 &&

            TChar(aKeyEvent.iScanCode).IsAlphaDigit() )

            {

            ActivateFindPaneL();

            if ( iFindPaneIsVisible )

                {

                return EKeyWasConsumed;

                }

            }

        if ( iFindPaneIsVisible )

            {

            // deactive the FindPane when Back has been pressed

            if ( aType == EEventKeyDown && 

                aKeyEvent.iScanCode == EStdKeyBackspace )

                {

                TBuf<KTextLimit> searchText;

                iFindbox->GetSearchText( searchText );

                if ( searchText == KNullDesC )

                    {

                    DeactivateFindPaneL();

                    return EKeyWasConsumed;

                    }

                }

            // Cancel-selected need to unfocus findbox 

            // to receive event in ProcessCommand

            if ( aType == EEventKeyDown 

            && aKeyEvent.iScanCode == EStdKeyDevice1 )

                {

                iFindbox->SetFocus( EFalse );

                UpdateFocusMode();

                return EKeyWasConsumed;

                }

            if ( aKeyEvent.iScanCode == EStdKeyNo ||

                aKeyEvent.iCode == EKeyNo )

                {

                DeactivateFindPaneL();

                return EKeyWasConsumed;

                }

            // find items with all event codes (that's the reason why there is EEventKey instead of aType)

            TBool needsRefresh( EFalse );

            keyResponse = AknFind::HandleFindOfferKeyEventL( 

                                                aKeyEvent, EEventKey, this, 

                                iWidgetsList, iFindbox, ETrue, needsRefresh );            

            if ( needsRefresh )

                {

                DrawNow();

                }

            }

        }

    // check special cases for movement between controls

    if ( keyResponse == EKeyWasNotConsumed && !iFindPaneIsVisible )

         {

         keyResponse = MoveFocusByKeys( aKeyEvent, aType );

         }

    // pass key event except backpace or delete key event to widgets list if focused

    if ( keyResponse == EKeyWasNotConsumed && iWidgetsList->IsFocused() )

        {

        if ( (aType == EEventKey) && (aKeyEvent.iCode == EKeyBackspace || aKeyEvent.iCode == EKeyDelete))

            {

            if( CanDoUninstall() )

                {

                UninstallWidgetL();

                }

            else

                {

                CWmWidgetData* data = iWidgetsList->WidgetData();

                if( data != NULL )

                    iWmPlugin.ResourceLoader().InfoPopupL(

                         R_QTN_WM_UNINST_NOT_ALLOWED, data->Name() );

                }

            }

        else 

            {

			//passing to listbox handler

            keyResponse = iWidgetsList->OfferKeyEventL( 

                    aKeyEvent, aType );

            }

        }

    // pass key event to OVI portal if focused

    if ( keyResponse == EKeyWasNotConsumed && iOviPortal->IsFocused() )

        {

        keyResponse = iOviPortal->OfferKeyEventL( 

                            aKeyEvent, aType );

        }

    if ( keyResponse == EKeyWasConsumed )

        DrawDeferred();

	// Do not let UI framework forward the keys to child controls as

	// we have already done that.

    return EKeyWasConsumed;

	}

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

// CWmMainContainer::MoveFocusByKeys

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

//

TKeyResponse CWmMainContainer::MoveFocusByKeys(

                        const TKeyEvent& aKeyEvent, 

                        TEventCode aType )

    {

    TKeyResponse keyResponse( EKeyWasNotConsumed );

    if ( iWidgetsList->IsFocused() )

        {

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

        // focus is in the WIDGETS LIST

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

        if ( iLayout == EPortrait &&

                aKeyEvent.iScanCode == EStdKeyUpArrow &&

                iWidgetsList->CurrentItemIndex() == 0 )

            {

            // widget list top -> up -> ovi button (portrait)

            if ( aType == EEventKey )

                SetFocusToOviButton();

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == EPortrait &&

                aKeyEvent.iScanCode == EStdKeyDownArrow &&

                iWidgetsList->CurrentItemIndex() ==

                   iWidgetsList->Model()->NumberOfItems() - 1 )

            {

            // widget list bottom -> down -> ovi button (portrait)

            if ( aType == EEventKey )

                SetFocusToOviButton();

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == ELandscape &&

                aKeyEvent.iScanCode == EStdKeyRightArrow )

            {

            // widget list -> right -> ovi button (landscape)

            if ( aType == EEventKey )

                SetFocusToOviButton();

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == ELandscapeMirrored &&

                aKeyEvent.iScanCode == EStdKeyLeftArrow )

            {

            // widget list -> left -> ovi button (landscape mirrored)

            if ( aType == EEventKey )

                SetFocusToOviButton();

            keyResponse = EKeyWasConsumed;

            }

        }

    else if ( iOviPortal->IsFocused() )

        {

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

        // focus is in the OVI PORTAL BUTTON

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

        if ( iLayout == EPortrait &&

                aKeyEvent.iScanCode == EStdKeyDownArrow )

            {

            // ovi button -> down -> widget list top (portrait)

            if ( aType == EEventKey )

                SetFocusToWidgetList( 0 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == EPortrait &&

                aKeyEvent.iScanCode == EStdKeyUpArrow )

            {

            // obi button -> up -> widget list bottom (portrait)

            if ( aType == EEventKey )

                SetFocusToWidgetList( iWidgetsList->Model()->NumberOfItems()-1 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == ELandscape &&

                aKeyEvent.iScanCode == EStdKeyLeftArrow )

            {

            // ovi button -> left -> widget list (landscape)

            if ( aType == EEventKey )

                SetFocusToWidgetList();

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLayout == ELandscapeMirrored &&

                aKeyEvent.iScanCode == EStdKeyRightArrow )

            {

            // ovi button -> right -> widget list (landscape mirrored)

            if ( aType == EEventKey )

                SetFocusToWidgetList();

            keyResponse = EKeyWasConsumed;

            }

        }

    else

        {

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

        // focus is NOWHERE

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

        if ( aKeyEvent.iScanCode == EStdKeyUpArrow ||

                aKeyEvent.iScanCode == EStdKeyDownArrow ||

                aKeyEvent.iScanCode == EStdKeyLeftArrow ||

                aKeyEvent.iScanCode == EStdKeyRightArrow )

            {