/*

* 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 <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 <featmgr.h>     // FeatureManager

#include <hlplch.h>      // HlpLauncher

#include <csxhelp/hmsc.hlp.hrh>

#include <aisystemuids.hrh>

#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"

#include "wmconfiguration.h"

// CONSTANTS

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

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

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

// CWmMainContainer::CWmMainContainer()

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

//

CWmMainContainer::CWmMainContainer( CWmPlugin& aWmPlugin ) :

    iWmPlugin( aWmPlugin )

	{

    iWidgetsList = NULL;

    iFindbox = NULL;

    iFindPaneIsVisible = EFalse;

    iBgContext = NULL;

    iFocusMode = ENowhere;

    iClosingDown = ETrue;

	}

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

// CWmMainContainer::~CWmMainContainer()

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

//

CWmMainContainer::~CWmMainContainer()

	{

    RemoveCtrlsFromStack();

    Components().ResetAndDestroy();

    delete iWidgetLoader;

    iWidgetsList = NULL;

    iPortalButtonOne = NULL;

    iPortalButtonTwo = NULL;

    iFindbox = NULL;

	delete iBgContext;

	delete iConfiguration;

	}

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

// 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);

    // load configuration

    iConfiguration = CWmConfiguration::NewL( iWmPlugin.ResourceLoader() );

	// set up controls

	InitializeControlsL( aRect );

	// set size and activate

	SetRect( aRect );

    ActivateL();

	}

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

// CWmMainContainer::SizeChanged

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

//

void CWmMainContainer::SizeChanged()

	{

	CCoeControl::SizeChanged();

    iBgContext->SetRect( ScreenRect() );

	LayoutControls();

	}

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

// CWmMainContainer::LayoutControls

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

//

void CWmMainContainer::LayoutControls()

	{

    TRect rect( Rect() );

    // determine layout type

    iLandscape = Layout_Meta_Data::IsLandscapeOrientation();

    iMirrored = Layout_Meta_Data::IsMirrored();

    // layout iPortalButtons

	if ( iConfiguration->PortalButtonCount() == 1 )

	    {

	    // one button

	    TAknWindowLineLayout btnPane = AknLayoutScalable_Apps

	       ::wgtman_btn_pane( iLandscape ? 1 : 0 ).LayoutLine();

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

	    }

	else

	    {

	    // two buttons

	    }

	// layout iWidgetsList

    TAknWindowLineLayout listPane = AknLayoutScalable_Apps

        ::listscroll_wgtman_pane( iLandscape ? 1 : 0 ).LayoutLine();

    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 );

    // This is a bug fix for ou1cimx1#217716 & ou1cimx1#217667.

    // For some weird reason homescreen is genarating one extra EEventKey 

    // when using Nokia SU-8W bluetooth keyboard & backspace key. This if is to 

    // ignore that event. Extra event allways has iModifiers set to 

    // EModifierAutorepeatable.

    if ( aType == EEventKey && 

             aKeyEvent.iScanCode == EStdKeyBackspace && 

             aKeyEvent.iModifiers == EModifierAutorepeatable )

        {

        return EKeyWasNotConsumed;

        }

    // Handle search keyevent

    keyResponse = HandleSearchKeyEventL( aKeyEvent, aType );

    // Move focus between controls

    if ( keyResponse == EKeyWasNotConsumed )

        {

        keyResponse = MoveFocusByKeys( aKeyEvent, aType );

        }

    // Handle list keyevent

    if ( keyResponse == EKeyWasNotConsumed )

        {

        keyResponse = HandleListKeyEventL( aKeyEvent, aType );

        }

    // Handle buttons keyevent

    if ( keyResponse == EKeyWasNotConsumed )

        {

        keyResponse = HandleButtonKeyEventL( aKeyEvent, aType );

        }

    // Update ui if needed 

    if ( keyResponse == EKeyWasConsumed )

        {

        DrawDeferred();

        }

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

    // we have already done that.

    return EKeyWasConsumed;

    }

TKeyResponse CWmMainContainer::HandleSearchKeyEventL( 

        const TKeyEvent& aKeyEvent, 

        TEventCode aType )

    {

    TKeyResponse keyResponse( EKeyWasNotConsumed );

    // 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 && aType == EEventKey )

        {

        if ( aKeyEvent.iScanCode == EStdKeyNo || aKeyEvent.iCode == EKeyNo )

            {

            DeactivateFindPaneL();

            return EKeyWasConsumed;

            }

        TBool needsRefresh( EFalse );

        if ( iFindbox->TextLength() == 0 

                && aKeyEvent.iScanCode == EStdKeyBackspace )

            {

            // if lenght is 0 and backspace is pressed AknFind will deactivate

            // searchbox so we don't want to pass this event to AknFind

            keyResponse = EKeyWasConsumed;

            }

        else

            {

            keyResponse = AknFind::HandleFindOfferKeyEventL( 

                    aKeyEvent, aType, this, 

                    iWidgetsList, iFindbox, ETrue, needsRefresh );

            }

        if ( needsRefresh )

            {

            DrawNow();

            }

        }

    return keyResponse;

    }

TKeyResponse CWmMainContainer::HandleListKeyEventL( 

        const TKeyEvent& aKeyEvent, 

        TEventCode aType )

    {

    TKeyResponse keyResponse( EKeyWasNotConsumed );

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

    if ( 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() );

                }

            keyResponse = EKeyWasConsumed;

            }

        else 

            {

            //passing to listbox handler

            keyResponse = iWidgetsList->OfferKeyEventL( 

                    aKeyEvent, aType );

            }

        }

    return keyResponse;

    }

TKeyResponse CWmMainContainer::HandleButtonKeyEventL( 

        const TKeyEvent& aKeyEvent, 

        TEventCode aType )

    {

    TKeyResponse keyResponse( EKeyWasNotConsumed );

    // pass key event to portal button if focused

    if ( iPortalButtonOne->IsFocused() )

        {

        keyResponse = iPortalButtonOne->OfferKeyEventL(

                            aKeyEvent, aType );

        }

    // pass key event to the other portal button if exists and focused

    if ( iPortalButtonTwo && iPortalButtonTwo->IsFocused() )

        {

        keyResponse = iPortalButtonTwo->OfferKeyEventL(

                            aKeyEvent, aType );

        }

    return keyResponse;

    }

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

// CWmMainContainer::MoveFocusByKeys

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

//

TKeyResponse CWmMainContainer::MoveFocusByKeys(

                        const TKeyEvent& aKeyEvent, 

                        TEventCode aType )

    {

    TKeyResponse keyResponse( EKeyWasNotConsumed );

    if ( iWidgetsList->IsFocused() )

        {

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

        // focus is in the WIDGETS LIST

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

        if ( !iLandscape &&

                aKeyEvent.iScanCode == EStdKeyUpArrow &&

                iWidgetsList->CurrentItemIndex() == 0 )

            {

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

            if ( aType == EEventKey )

                SetFocusToPortalButton( 0 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( !iLandscape &&

                aKeyEvent.iScanCode == EStdKeyDownArrow &&

                iWidgetsList->CurrentItemIndex() ==

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

            {

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

            if ( aType == EEventKey )

                SetFocusToPortalButton( 0 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLandscape && !iMirrored &&

                aKeyEvent.iScanCode == EStdKeyRightArrow )

            {

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

            if ( aType == EEventKey )

                SetFocusToPortalButton( 0 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLandscape && iMirrored &&

                aKeyEvent.iScanCode == EStdKeyLeftArrow )

            {

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

            if ( aType == EEventKey )

                SetFocusToPortalButton( 0 );

            keyResponse = EKeyWasConsumed;

            }

        }

    else if ( iPortalButtonOne->IsFocused() )

        {

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

        // focus is in the FIRST PORTAL BUTTON

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

        if ( !iLandscape &&

                aKeyEvent.iScanCode == EStdKeyDownArrow )

            {

            // left portal -> down -> widget list top (portrait)

            if ( aType == EEventKey )

                SetFocusToWidgetList( 0 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( !iLandscape &&

                aKeyEvent.iScanCode == EStdKeyUpArrow )

            {

            // left portal -> up -> widget list bottom (portrait)

            if ( aType == EEventKey )

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

            keyResponse = EKeyWasConsumed;

            }

        else if ( !iLandscape && !iMirrored &&

                aKeyEvent.iScanCode == EStdKeyRightArrow &&

                iConfiguration->PortalButtonCount() > 1 )

            {

            // left portal -> right -> right portal (portrait normal)

            if ( aType == EEventKey )

                SetFocusToPortalButton( 1 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( !iLandscape && iMirrored &&

                aKeyEvent.iScanCode == EStdKeyLeftArrow &&

                iConfiguration->PortalButtonCount() > 1 )

            {

            // right portal -> left -> left portal (portrait mirrored)

            if ( aType == EEventKey )

                SetFocusToPortalButton( 1 );

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLandscape && !iMirrored &&

                aKeyEvent.iScanCode == EStdKeyLeftArrow )

            {

            // upper portal -> left -> widget list (landscape normal)

            if ( aType == EEventKey )

                SetFocusToWidgetList();

            keyResponse = EKeyWasConsumed;

            }

        else if ( iLandscape && iMirrored &&

                aKeyEvent.iScanCode == EStdKeyRightArrow )

            {

            // upper portal -> right -> widget list (landscape mirrored)