/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*      Declaration of class CBrowserAppViewBase.

*

*

*/

#include "BrowserAppViewBase.h"

#include "BrowserAppUi.h"

#include "ApiProvider.h"

#include <BrowserNG.rsg>

#include "CommonConstants.h"

#include <aknviewappui.h>

#include <eikbtgpc.h>

#include <avkon.rsg>

#include <LayoutMetaData.cdl.h> // check landscape/portrait modes

#include <aknenv.h>

#include <AknSgcc.h>

#include <StringLoader.h>

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

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

// TSKPair::TSKPair

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

//

TSKPair::TSKPair():

	iCmdId(EWmlNoCmd),iQtnRsc(R_BROWSER_DYN_SK_NULL)

{

}	

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

// TSKPair::TSKPair

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

//

TSKPair::TSKPair(TInt aId,TInt aRsc):

	iCmdId(aId),iQtnRsc(aRsc)

{

}	

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

// TSKPair::IsNotDefault

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

//

TBool TSKPair::IsAssigned()

{

	return ( (iCmdId != EWmlNoCmd) && (iQtnRsc != R_BROWSER_DYN_SK_NULL) );

}

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

// TSKPair::operator==

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

//

TBool TSKPair::operator==(TSKPair aSkPair)

{

	return( (iCmdId == aSkPair.id()) && (iQtnRsc == aSkPair.qtn()) );

}

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

// TSKPair::operator=

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

//

void TSKPair::operator=(TSKPair aSKPair)

{

	iCmdId = aSKPair.id();

	iQtnRsc = aSKPair.qtn();

}

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

// TSKPair::set

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

//

void TSKPair::setPair(TInt aId, TInt aRsc)

{

	iCmdId = aId;

	iQtnRsc = aRsc;

}

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

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

// CBrowserViewBase::CBrowserViewBase

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

//

CBrowserViewBase::CBrowserViewBase( MApiProvider& aApiProvider ):

    iApiProvider( aApiProvider ),

    iLastCommandSet( R_BROWSER_BUTTONS_CBA_NULL )

    {

    }

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

// CBrowserViewBase::ApiProvider

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

//

MApiProvider& CBrowserViewBase::ApiProvider()

    {

    return iApiProvider;

    }

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

// CBrowserViewBase::UpdateCbaL

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

//

void CBrowserViewBase::UpdateCbaL()

{

    if ( !iApiProvider.ExitInProgress() )

        {

        TInt commandSet = CommandSetResourceIdL();

        TUid currViewId = Id();

		// Ask BrowserAppUi which view we were in when we last updated the CBA

		// this will help decide if we should do it again

        TUid previousCBAUpdateViewId = iApiProvider.GetLastCBAUpdateView();

        if ( commandSet )

        	{

        	// Don't perform updates to the CBA when

        	//

        	// - We're still in the same view we were just in AND

        	// - We're not dynamically setting CBA (do more checking below) AND

        	// - The command set is the same as the one we just set last time

        	//   this was called

        	// - We're currently in the content view (the update-cba is more complex here

        	//   and we should just do it when asked by ContentView class)

        	//

        	// NOTE that we rely on CommandSetResource to set the commandSet to

        	//  R_BROWSER_BUTTONS_CBA_DYNAMIC to signal a desire to update the keys

        	//  dynamically. 

			if(	currViewId == iPreviousViewID &&

				commandSet != R_BROWSER_BUTTONS_CBA_DYNAMIC &&

				currViewId == previousCBAUpdateViewId &&

				currViewId != KUidBrowserContentViewId)

				{

				return;

				}

        	// If command set is our special dynamic cba set,

        	// now ask derived class for the resources dynamically.        	

        	if(commandSet == R_BROWSER_BUTTONS_CBA_DYNAMIC)

            	{

				TSKPair lsk,rsk,msk;					

				CommandSetResourceDynL(lsk,rsk,msk);

				// Similar exclusion as above:

				// Don't update the LSK, RSK, MSK dynamic assignments if:

				//

				// - We're still in the same view we were just in

				// - The lsk, rsk, msk are all the same settings we set last time

				if(currViewId == previousCBAUpdateViewId &&

					lsk == iLastLSK && 

					rsk == iLastRSK &&

					msk == iLastMSK)

				{

					return;

				}				

				// Save the settings

				iLastLSK = lsk;

				iLastRSK = rsk;

				iLastMSK = msk;

				//

				// Update each softkey in turn

				// 

				// If the CommandSetResourceDynL command assigned something to the key

				// (in other words, it changed the key assignment from its default - it does have the option not to do so), 

				// 

				// Update each key now.

				//

				// Each derived-class view should update them as a general rule, even if it is to some default value

				//	

				if( lsk.IsAssigned() )

					{

					HBufC* txt = StringLoader::LoadLC( lsk.qtn() );

            		Cba()->SetCommandL(CEikButtonGroupContainer::ELeftSoftkeyPosition, lsk.id(), *txt);

					CleanupStack::PopAndDestroy();  // txt

					}

				if( rsk.IsAssigned() )

					{

					HBufC* txt = StringLoader::LoadLC( rsk.qtn() );

            		Cba()->SetCommandL(CEikButtonGroupContainer::ERightSoftkeyPosition, rsk.id(), *txt);

					CleanupStack::PopAndDestroy();  // txt

					}

				if( msk.IsAssigned() )

					{

					HBufC* txt = StringLoader::LoadLC( msk.qtn() );

            		Cba()->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition, msk.id(), *txt);

					CleanupStack::PopAndDestroy();  // txt

					}

				}

			else // Else - the exisiting case: set the softkeys as a block by assigning a pre-defined resource id

				{

	        	// The usual case is to set the command set to 

    	    	// whatever CommandSetResourceIdL has said

	    	  	Cba()->SetCommandSetL( commandSet );				

				}				

 			// Save the last command set and set view id

 			iLastCommandSet = commandSet;

 			iApiProvider.SetLastCBAUpdateView(currViewId);

	   		// DrawNow() doesn't refresh MSK properly

           	Cba()->DrawDeferred();

			}

        }    

}

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

// CBrowserViewBase::MakeCbaVisible

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

//

void CBrowserViewBase::MakeCbaVisible(TBool aVisible)

    {

    // don't turn off the cba in landscape mode since it will still be visible and

    // calling MakeVisible(EFalse) will just make it not update correctly

    TBool vis = aVisible;

    if (!vis)

        {

        CEikStatusPaneBase* statusPane = CEikStatusPaneBase::Current();

        TInt currentStatusPaneLayoutResId = 0;

        if (statusPane)

            {

            currentStatusPaneLayoutResId = statusPane->CurrentLayoutResId();

            }

        else

            {

            // If this CBA:s owner does not have statuspane, then we ask the layout from AknCapServer.

            currentStatusPaneLayoutResId = AVKONENV->StatusPaneResIdForCurrentLayout(CAknSgcClient::CurrentStatuspaneResource());

            }

        TBool staconPane = ((currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_USUAL_SOFTKEYS_RIGHT) ||

                      (currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_USUAL_SOFTKEYS_LEFT)  ||

                      (currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_EMPTY_SOFTKEYS_RIGHT) ||

                      (currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_EMPTY_SOFTKEYS_LEFT)  ||

                      (currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_IDLE_SOFTKEYS_RIGHT) ||

                      (currentStatusPaneLayoutResId == R_AVKON_STACON_PANE_LAYOUT_IDLE_SOFTKEYS_LEFT));

        vis = staconPane;

        }

    Cba()->MakeVisible( vis );

    }

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

// CBrowserViewBase::UpdateGotoPaneL

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

//

void CBrowserViewBase::UpdateGotoPaneL()

    {

    }

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

// CBrowserViewBase::ClearCbaL

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

//

void CBrowserViewBase::ClearCbaL()

    {

    TInt commandSet = R_AVKON_SOFTKEYS_EMPTY;

    Cba()->SetCommandSetL( commandSet );

    Cba()->DrawNow();

    }

// End of File