/*

* Copyright (c) 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:   Manages preview pane, info bar and toolbar for calendar views

 *

*/

// Include files

#include "calendarui_debug.h"                   // Debug macros

#include "calencontainerlayoutmanager.h"        // CCalenContainerLayoutManager

#include "calenpreview.h"                       // CCalenPreview

#include "calennativeview.h"                    // CCalenNativeView

#include "CalenUid.h"

#include <aknappui.h>                           // CAknAppUi

#include <AknUtils.h>                           // AknLayoutUtils

#include <akntoolbar.h>                         // CAknToolbar

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

// CCalenContainerLayoutManager::NewL

// First stage construction

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

CCalenContainerLayoutManager* CCalenContainerLayoutManager::NewL(

                    MCalenServices& aServices, CCalenContainer& aContainer )

    {

    TRACE_ENTRY_POINT;

    CCalenContainerLayoutManager* self = new( ELeave )

                        CCalenContainerLayoutManager( aServices, aContainer );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TRACE_EXIT_POINT;

    return self;

    }

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

// CCalenContainerLayoutManager::ConstructL

// Second stage construction

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

void CCalenContainerLayoutManager::ConstructL()

    {

    TRACE_ENTRY_POINT;

    iLayoutFlags.ClearAll();

    GetLayoutAndExtensionL();

    TRACE_EXIT_POINT;

    }

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

// CCalenNativeViewExtension::~CCalenNativeViewExtension

// Destructor

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

CCalenContainerLayoutManager::~CCalenContainerLayoutManager()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::CCalenContainerLayoutManager

// Constructor

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

CCalenContainerLayoutManager::CCalenContainerLayoutManager(

                MCalenServices& aServices, CCalenContainer& aContainer )

                    : iContainer( aContainer ), iServices( aServices )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::LayoutFlags

// Returns the layout type for the container.

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

TBitFlags CCalenContainerLayoutManager::LayoutFlags()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return iLayoutFlags;

    }

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

// CCalenContainerLayoutManager::ControlOrNull

// Returns a pointer to the available secondary control, or NULL if none is

// available. The secondary control may be either an info bar or a preview pane

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

CCoeControl* CCalenContainerLayoutManager::ControlOrNull()

    {

    TRACE_ENTRY_POINT;

    CCoeControl* control( NULL );

    if ( iLayoutFlags.IsSet( ECalenContainerInfobar ) )

        {

        control = iInfobar;

        }

    TRACE_EXIT_POINT;

    return control;

    }

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

// CCalenContainerLayoutManager::ToolbarOrNull

// Returns a pointer to the available toolbar, or NULL if none is

// available. The toolbar is owned by the appui.

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

CAknToolbar* CCalenContainerLayoutManager::ToolbarOrNull()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return iToolbar;

    }

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

// CCalenContainerLayoutManager::GetLayoutAndExtensionL

// Determins which layout should be used and initialises the extension if one

// is available

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

void CCalenContainerLayoutManager::GetLayoutAndExtensionL()

    {

    TRACE_ENTRY_POINT;

    iLayoutFlags.ClearAll();

    // See if a toolbar is available

    CheckToolbarL();

    // See if preview pane is available

    CheckPreviewL();

    // If no preview pane, check for an info bar

    if ( !iLayoutFlags.IsSet( ECalenContainerPreview ))

        {

        CheckInfobarL();

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::CheckPreviewL

// Checks to see if a preview pane is available in the current resolution

// and orientation

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

void CCalenContainerLayoutManager::CheckPreviewL()

    {

    TRACE_ENTRY_POINT;

    TRect previewRect = iContainer.PreviewRectL();

    if ( !iContainer.PreviewRectL().IsEmpty() )

        {

        iLayoutFlags.Set( ECalenContainerPreview );

        iLayoutFlags.Clear( ECalenContainerInfobar );

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::CheckInfobarL

// Checks to see if an info bar is available from a customisation plugin

// This will not be checked if a preview pane is available

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

void CCalenContainerLayoutManager::CheckInfobarL()

    {

    TRACE_ENTRY_POINT;

    TRect infobarRect = iContainer.InfoBarRectL(

                                iLayoutFlags.IsSet( ECalenContainerToolbar ) );

     if ( !infobarRect.IsEmpty()  )

        {

         //Ask the services for an info bar if it exists.

         CCoeControl* infoBarControl  = iServices.Infobar( infobarRect  );

         if(!infoBarControl )

            {

             iServices.IssueNotificationL(ECalenNotifyCheckPluginUnloading);

             iInfobar = NULL;

            }

         else 

            {

            iInfobar = infoBarControl;

            // If the infobar exists, set the container window and activate.

            iLayoutFlags.Set( ECalenContainerInfobar );

            iLayoutFlags.Clear( ECalenContainerPreview );

            iInfobar->SetContainerWindowL( iContainer );

            }

       }

     // For ToDo View, issue ECalenNotifyCheckPluginUnloading explicitly as it will not enter above 'if' loop

     // This change is made only for language variants that have plugins

     else if(iContainer.View()->Id() == KUidCalenTodoView)

         {

         TLanguage language = User::Language();

         CCoeControl* infoBarCtrl  = iServices.Infobar( infobarRect  );

         switch(language)

             {

             case ELangThai:

             case ELangTaiwanChinese:

             case ELangHongKongChinese:

             case ELangPrcChinese:

             case ELangVietnamese:

                 if(!infoBarCtrl)

	                 {

	                 iServices.IssueNotificationL(ECalenNotifyCheckPluginUnloading);

	               	 }

                 break;

             default:

                break;

             }

         }

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::CheckToolbarL

// Checks to see if a toolbar should be used in the current layout

// and resolution.  The toolbar should always be available if touch support

// is enabled.

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

void CCalenContainerLayoutManager::CheckToolbarL()

    {

    TRACE_ENTRY_POINT;

    if ( AknLayoutUtils::PenEnabled() )

        {

        CAknAppUi* appUi = (CAknAppUi*)CEikonEnv::Static()->EikAppUi();

        iToolbar = appUi->CurrentPopupToolbar();

        if( iToolbar )

            {

            iLayoutFlags.Set( ECalenContainerToolbar );

            }

        }

     else

     	{

     	iLayoutFlags.Clear( ECalenContainerInfobar );	

     	}

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::HandleResourceChange

// Dump any extensions and recheck

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

void CCalenContainerLayoutManager::HandleResourceChange( TInt /*aType*/ )

    { 

    TRACE_ENTRY_POINT;

    PIM_TRAPD_HANDLE( GetLayoutAndExtensionL() );

    TRACE_EXIT_POINT;

    }

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

// CCalenContainerLayoutManager::SetToolbarVisibility

// Set the toolbar to be visible or hidden.  If no toolbar is available does 

// nothing.

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

void CCalenContainerLayoutManager::SetToolbarVisibility( TBool aVisible )

    {

    TRACE_ENTRY_POINT;

    if ( iToolbar )

        {

        iToolbar->SetToolbarVisibility( aVisible, aVisible);

        }

    TRACE_EXIT_POINT;    

    }    

// End of file