/*

* Copyright (c) 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:  Location Triggering Management Plugin view

*

*/

// System Include

#include <barsread.h>               // For TResourceReader

#include <bautils.h>   

#include <StringLoader.h>

#include <aknViewAppUi.h>

#include <lbtmgmtpluginview.rsg>

#include <avkon.rsg>

#include <aknnotewrappers.h>        // Error Notes

#include <textresolver.h>           // Text Resolver

#include <hlplch.h>                 // Help

#include <featmgr.h>                // FeatureManager

// User Include

#include "locsettingsui.h"

#include "locsettingsuiobserver.h"

#include "lbtmgmtplugin.hrh"

#include "lbtmgmtpluginview.h"

#include "lbtmgmtplugincontainer.h"

#include "lbtmgmtpluginengine.h"

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

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

// CLbtMgmtPluginView::CLbtMgmtPluginView

// Overloaded Constructor

//

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

//  

CLbtMgmtPluginView::CLbtMgmtPluginView( 

                            MLocSettingsUiObserver& aSettingsObsrv )

    :iSettingsObserver( aSettingsObsrv ),

    iResourceLoader( *CCoeEnv::Static() )

    {

    }

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

// CLbtMgmtPluginView::~CLbtMgmtPluginView

// Destructor

//

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

//

CLbtMgmtPluginView::~CLbtMgmtPluginView()

    {    

    // Close the resource loader

    iResourceLoader.Close(); 

    }

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

// CLbtMgmtPluginView* CLbtMgmtPluginView::NewL

// Creates new Location Trigger Management view.

//

// @param aSettingsObsrv            Pointer to the Command Handler

// @return CLbtMgmtPluginView*   Reference to the application view

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

//   

CLbtMgmtPluginView* CLbtMgmtPluginView::NewL( 

                            MLocSettingsUiObserver& aSettingsObsrv )

    {   

    CLbtMgmtPluginView* self = 

                        CLbtMgmtPluginView::NewLC( aSettingsObsrv );

    CleanupStack::Pop( self );

    return self;

    }

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

// CLbtMgmtPluginView* CLbtMgmtPluginView::NewLC

// Creates new Location Trigger Management view.

//

// @param aSettingsObsrv            Pointer to the Command Handler

// @return CLbtMgmtPluginView*   Reference to the application view

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

//  

CLbtMgmtPluginView* CLbtMgmtPluginView::NewLC( 

                            MLocSettingsUiObserver& aSettingsObsrv )

    {   

    CLbtMgmtPluginView* self = 

                        new(ELeave) CLbtMgmtPluginView( aSettingsObsrv );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// void CLbtMgmtPluginView::ConstructL

// Second Phase Constructor

//

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

//

void CLbtMgmtPluginView::ConstructL()

    {

    // Open the Resource File

    OpenLocalizedResourceFileL( KLbtMgmtViewResFileName, iResourceLoader );

    // Call AknView's BaseConstrutL

    BaseConstructL( R_LBTMGMTPLUGIN_VIEW );

    }

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

// void CLbtMgmtPluginView::CloseSettings

// Close the Location Triggering Management Settings

//

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

//

void CLbtMgmtPluginView::CloseSettings()

    {

    // Stop displaying the menu bar, if its currently being displayed

    StopDisplayingMenuBar();

    // Close all the active dialogs

    if( iEngine )

    		iEngine->Close();

    }

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

// void CLbtMgmtPluginView::DoActivateL

// 

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

//

void CLbtMgmtPluginView::DoActivateL( const TVwsViewId&  /* PrevViewId*/,

                                               TUid         /* aCustomMessageId*/,

                                         const TDesC8&      /* aCustomMessage */)

    {

    // Destroy the existing container if it exists

    if( iContainer )

        {

        AppUi()->RemoveFromViewStack( *this, iContainer );

        delete iContainer;

        iContainer=NULL;

        }                       

    // Create the Location Triggering engine instance

    iEngine = CLbtMgmtPluginEngine::NewL( *this );

    // Create new Container 

    }

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

// void CLocationSystemUiView::DoDeactivate

//

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

//      

void CLbtMgmtPluginView::DoDeactivate()

    {

    // Destroy Container

    AppUi()->RemoveFromViewStack( *this, iContainer );

    delete iContainer;

    iContainer = NULL;

    // Delete the engine

		delete iEngine;

		iEngine = NULL;

    }

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

// TUid CLbtMgmtPluginView::Id

// Returns the View Id. Should be chosen to reflect the Implementation UID 

// of the Plugin

//

// @return TUid The View Id

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

//  

TUid CLbtMgmtPluginView::Id() const

    {

    return TUid::Uid( KLbtMgmtPluginUID3 );

    }

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

// void CLbtMgmtPluginView::HandleCommandL

//

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

//  

void CLbtMgmtPluginView::HandleCommandL(TInt aCommand)   

    {

    switch( aCommand )

        {

        case ELbtMgmtChange:

        case ELbtMgmtMSKChange:

    		{

    		SettingsChangeL(aCommand);   		

          	break;

        case ELbtMgmtInfo:

			iEngine->ShowInfoDialogL();

        	break;

        	}

        case ELbtMgmtClearAll:

    		{

    		iEngine->ClearAllTriggersL();

    		iContainer->Update();

    		HandleCmdL(EListBoxItemFocused);

    		break;

          	}

        case EAknCmdHelp:        

            {

            HlpLauncher::LaunchHelpApplicationL( iCoeEnv->WsSession(),

                                                 AppUi()->AppHelpContextL());

            break;  

          	}           

        // Handle any plug-in specific internal commands here

        case EAknSoftkeyBack:

            {

            // The UI is intended to be closed. Pass the event 

            // to the observer

            iSettingsObserver.SettingClosed( KErrNone );

            break;

            }

        default:

            {

            // Un-handled commands are to be passed to the 

            // App UI

            }

        }

    }   

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

// CLbtMgmtPluginView::SetCba

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

//

void CLbtMgmtPluginView::SetCba( TInt aResourceId ) 

		{

		if( Cba() )

		    {

		   	TRAP_IGNORE(Cba()->SetCommandSetL(aResourceId));

		    }

	  Cba()->DrawDeferred(); 

		}

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

// void CLbtMgmtPluginView::HandleCommandL

// Inherited from MLbtMgmtPluginCmdHdlr

// Handles Selection events from the container

// 

// @param  aCommand Command ID

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

//

void CLbtMgmtPluginView::HandleCmdL( TLbtMgmtPluginCmd aCommand )

    {

    switch( aCommand )

        {

        // Handle any plug-in specific internal commands here

        case EListBoxItemSelected:

	          	{

	          	// Handle List Box Selected Event   

	            TRAPD( error, SettingsChangeL( ELbtMgmtMSKChange ));

	            if( error )

	                {

	                // Show Error Note

	    			CTextResolver* iTextResolver = CTextResolver::NewLC(*iCoeEnv);

	                TPtrC buffer = iTextResolver->ResolveErrorString( error );

	                CAknErrorNote* errorNote = new ( ELeave )CAknErrorNote( ETrue );

	                TRAP_IGNORE( errorNote->ExecuteLD( buffer ));

	    			CleanupStack::PopAndDestroy( iTextResolver );

	                }    

				break;    

	          	}

        case EListBoxItemFocused:

        		{

	        	if( CLbtMgmtPluginEngine::EActiveTriggers == iContainer->GetFocussedItem()   )

	        	    {

	        	    if( iEngine->ActiveTriggers() )

	        			SetCba( R_LBTMGMTPLUGIN_CBA_INFO );

	        	    else

	        	        SetCba( R_LBTMGMTPLUGIN_CBA_NOACTIVETRIGGERS );

	        	    }

	        	else

	        			SetCba( R_LBTMGMTPLUGIN_CBA_CHANGE );

	        	break;

	        	}

        case EScreenSizeChanged:

	          {

            if( iContainer )

                {

                iContainer->SetRect( ClientRect());     

                }

	          break;

	          }

        default:

            {

            break;  

            }

        }

    }

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

// Inherited from MLbtMgmtEngObserver

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

//

void CLbtMgmtPluginView::HandleSettingsChangeEventL()

    {

    // Observer callback notifies that one/more of the settings values have

    // changed. Hence, need to refresh the container to show the latest

    // values

    if( iContainer )

        {

        iContainer->DrawDeferred();

        }

    // Handle any changes to the MSK configuration. 

    HandleCmdL( EListBoxItemFocused );

    }

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

// CLbtMgmtPluginView::HandleHelpFeature

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

//

void CLbtMgmtPluginView::HandleHelpFeature( CEikMenuPane& aMenuPane ) const

    {

    if ( FeatureManager::FeatureSupported( KFeatureIdHelp ))

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, EFalse );

        }

    else

        {

        aMenuPane.SetItemDimmed( EAknCmdHelp, ETrue );

        }

    }

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

// Handle Settings Change Event

// 

// @param aCmd Settings change command

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

//

void CLbtMgmtPluginView::SettingsChangeL( TInt aCmd )

    {

    if( !iContainer )

        {

        // No container available. Nothing to do in this case. Hence, returning

        return;

        }

    CLbtMgmtPluginEngine::TSettingsList currentElement;

    currentElement = static_cast<CLbtMgmtPluginEngine::TSettingsList>

                        ( iContainer->GetFocussedItem() );

    // Switch based on the currently focussed element

    switch( currentElement )

        {

        case CLbtMgmtPluginEngine::ETriggeringStatus:

            {

            // Different handling needed for Touch handling and Item selection

            // using the OK key.

            // Incase the User has selected the item using the OK key then 

            // normal handling required

            // Incase the User has selected the item using touch selection

            // then the Trigger Status needs to be toggled

            if( ELbtMgmtChange == aCmd )

                {

                iEngine->ChangeTiggerStatusL();

                }

            else

                {

                iEngine->ToggleTiggerStatusL();

                }

            iContainer->Update();

            break;

            }

        case CLbtMgmtPluginEngine::EActiveTriggers:

            {

			// If condition is added for any pointer event from container

            break;

            }

        default:

            {

            // Element not found

            User::Leave( KErrNotFound );

            }

        }

    }

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

// void CLbtMgmtPluginView::OpenLocalizedResourceFileL

// Opens the nearest localized resourcefile using aResourceLoader. 

// aResourceLoader should be opened only once before closing it. 

// Otherwise it will raise a panic. Therefore it is better to have 

// multiple resource loaders.

// 

// @param aResourceFileName Drive and name of resource file in format 

//                          <path>:<rsc_file_name>

// @param aResourceLoader Resource loader for the resource. The loader 

//                        must not be opened allready or it will raise 

//                        a panic. It is caller's responsibility to 

//                        close the resource loader after using the 

//                        resource.

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

//  

void CLbtMgmtPluginView::OpenLocalizedResourceFileL( 

                            const TDesC&               aResourceFileName, 

                                  RConeResourceLoader& aResourceLoader )

    {

    RFs fsSession;

    User::LeaveIfError( fsSession.Connect());

    TFileName* tmpName = new(ELeave) TFileName;

    CleanupStack::PushL( tmpName );

    // Append the Resource Files Directory

    tmpName->Append( KDC_RESOURCE_FILES_DIR );

    // Append the Ressource File Name

    tmpName->Append( aResourceFileName );

    // Obtain the drive where the DLL is installed

    TFileName* dllDrive = new (ELeave) TFileName;

    CleanupStack::PushL( dllDrive );

    Dll::FileName( *dllDrive );

    // Obtain the Complete path for the Resource File

    TParse parse;

    User::LeaveIfError( parse.Set( *dllDrive, NULL, NULL ) );

    User::LeaveIfError( parse.Set( parse.Drive(), tmpName, NULL ) );

    TFileName* fileName = new(ELeave) TFileName;

    CleanupStack::PushL( fileName );

    fileName->Append( parse.FullName() );

    // Get language of resource file

    BaflUtils::NearestLanguageFile( fsSession, *fileName );

    // Open resource file    

    aResourceLoader.OpenL( *fileName );

    // Pop all the fields

    CleanupStack::PopAndDestroy( fileName );

    CleanupStack::PopAndDestroy( dllDrive );

    CleanupStack::PopAndDestroy( tmpName );

    //If leave occurs before this, close is called automatically when the thread exits.

    fsSession.Close();

    }