/*

* Copyright (c) 2005-2008 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:  A view to browse a given feed.

*

*/

#include <aknviewappui.h>

#include <aknutils.h>

#include <AknToolbar.h>

#include <brctlinterface.h>

#include <eikbtgpc.h>

#include <eikmenup.h>

#include <hlplch.h>

#include "BrowserAppUi.h"

#include "CommonConstants.h"

#include "Browser.hrh"

#include <BrowserNG.rsg>

#include "BrowserUtil.h"

#include <feedattributes.h>

#include <folderattributes.h>

#include "FeedsFeedContainer.h"

#include "FeedsFeedView.h"

#include "Logger.h"

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

// CFeedsFeedView::NewL

//

// Two-phased constructor.

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

//

CFeedsFeedView* CFeedsFeedView::NewL( MApiProvider& aApiProvider, TRect& aRect )

	{

    CFeedsFeedView* self = new (ELeave) CFeedsFeedView(aApiProvider);

    CleanupStack::PushL(self);

    self->ConstructL(aRect);

    CleanupStack::Pop();

    return self;

	}

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

// CFeedsFeedView::CFeedsFeedView

//

// C++ default constructor.

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

//

CFeedsFeedView::CFeedsFeedView(MApiProvider& aApiProvider)

: CBrowserViewBase( aApiProvider ),iPageScalerEnabled(EFalse),iPenEnabled(EFalse)

	{

    iPenEnabled = AknLayoutUtils::PenEnabled(); 

	}

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

// CFeedsFeedView::ConstructL

//

// Symbian 2nd phase constructor can leave.

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

//

void CFeedsFeedView::ConstructL(TRect& aRect)

    {

    // this is here in case content view wasn't activated yet on browser startup.

    iApiProvider.SetViewToBeActivatedIfNeededL( KUidBrowserContentViewId );

    BaseConstructL(R_FEEDS_FEED_VIEW);

	iContainer = CFeedsFeedContainer::NewL( this, ApiProvider() );

	iContainer->SetRect( aRect );

    iContainer->MakeVisible(EFalse);

    if(iPenEnabled)

        {

        Toolbar()->SetToolbarObserver(this);;        

        }    

    }

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

// CFeedsFeedView::~CFeedsFeedView

//

// Deconstructor.

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

//

CFeedsFeedView::~CFeedsFeedView()

    {

    DoDeactivate();

    delete iContainer;

    }

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

// CFeedsFeedView::Id

//

// Returns the id of the view.

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

//

TUid CFeedsFeedView::Id() const

    {

    return KUidBrowserFeedsFeedViewId;

    }

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

// CFeedsFeedView::HandleCommandL

//

// Processes commands.

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

//

void CFeedsFeedView::HandleCommandL(TInt aCommand)

    {   

    TBool  handled = EFalse;

    // Handle softkeys and other Symbian commands first.

    switch (aCommand)

        {

		case EAknSoftkeyBack:

			iApiProvider.FeedsClientUtilities().ShowTopicViewLocalL(iContainer->CurrentItem());

            handled = ETrue;

            break;

        case EAknSoftkeyNext:

            iContainer->ShowNextItemL();

            handled = ETrue;

            break;

#ifdef __SERIES60_HELP

        case EAknCmdHelp:

            {

            iApiProvider.SetLastActiveViewId(Id());

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

                    AppUi()->AppHelpContextL());

            handled = ETrue;

            break;

            }

#endif //__SERIES60_HELP 

        }

    if (handled)

        {

        return;

        }

    switch (aCommand)

        {

        case EFeedsBack:

		    iApiProvider.FeedsClientUtilities().ShowTopicViewLocalL(iContainer->CurrentItem());

            break;

        case EFeedsShowNextItem:

            iContainer->ShowNextItemL();

            break;

        case EFeedsShowPrevItem:

            iContainer->ShowPrevItemL();

            break;

		case EFeedsSeeFullStory:

            break;

        default:

            iApiProvider.FeedsClientUtilities().HandleCommandL(Id(),aCommand);

            break;

        }

    }

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

// CFeedsFeedView::DoActivateL

//

// Called when the view is activated.

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

//

void CFeedsFeedView::DoActivateL(const TVwsViewId& /*aPrevViewId*/, 

        TUid /*aCustomMessageId*/, const TDesC8& /*aCustomMessage*/)

    {

    // fix bug RFON-7FJS2Z: need to activate status pane going back from full story page to feeds view

   	StatusPane()->SwitchLayoutL( R_AVKON_STATUS_PANE_LAYOUT_USUAL );

  	StatusPane()->MakeVisible( ETrue );

    //Take Button group pointer

    CEikButtonGroupContainer* pButtonGroupContainer = CEikButtonGroupContainer::Current();

    if (!iContainerOnStack)

        {

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

        //Make button group invisible in order to let container have correct Rect.

        //Patch is based on comments received from AVKON

        if(pButtonGroupContainer) pButtonGroupContainer->MakeVisible(EFalse);

        iContainer->SetRect(ClientRect());

        if(iContainer->iBrowserControl->BrowserSettingL(TBrCtlDefs::ESettingsPageOverview))

            {

            TRAP_IGNORE(iContainer->iBrowserControl->SetBrowserSettingL(TBrCtlDefs::ESettingsPageOverview, EFalse));

            iPageScalerEnabled = ETrue;

            }

        TRAP_IGNORE(iContainer->iBrowserControl->HandleCommandL( 

                (TInt)TBrCtlDefs::ECommandIdBase + (TInt)TBrCtlDefs::ECommandGainFocus));

        iContainer->MakeVisible(ETrue);        

        //Again make Button group visible

        if(pButtonGroupContainer) pButtonGroupContainer->MakeVisible(ETrue);

        iContainerOnStack = ETrue;

        // resize screen after calling SetRect.  This way looks better

        iContainer->HandleResourceChange(KEikDynamicLayoutVariantSwitch);

        }

    // Set the current feed.

    iContainer->SetCurrentFeedL(*(iApiProvider.FeedsClientUtilities().CurrentFeed()), iInitialItem);

    iApiProvider.SetLastActiveViewId(Id());

    UpdateToolbarButtonsState();

    }

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

// CFeedsFeedView::DoDeactivate

//

// Called when the view is deactivated.

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

//

void CFeedsFeedView::DoDeactivate()

    {

    if (iContainerOnStack)

        {

        iContainer->ClearNavigationPane();        

        if(iPageScalerEnabled)

            {

            TRAP_IGNORE(iContainer->iBrowserControl->SetBrowserSettingL(TBrCtlDefs::ESettingsPageOverview, ETrue));

            iPageScalerEnabled = EFalse;

            }

        TRAP_IGNORE(iContainer->iBrowserControl->HandleCommandL( 

                (TInt)TBrCtlDefs::ECommandIdBase + (TInt)TBrCtlDefs::ECommandLoseFocus));

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

        iContainer->MakeVisible(EFalse);

        iInitialItem = iContainer->CurrentItem();

        iContainerOnStack = EFalse;

        // when exit from feeds view, viewMgr might be deleted already

        if ( !ApiProvider().ExitInProgress() )

            {

            TRAP_IGNORE(iApiProvider.FeedsClientUtilities().ItemStatusWriteToServerL()); 

            }

        }

	}

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

// CFeedsFeedView::DynInitMenuPaneL

//

// Disables unrelated menu options.

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

//

void CFeedsFeedView::DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane)

    {

    __ASSERT_DEBUG( (aMenuPane != NULL), Util::Panic( Util::EUninitializedData ));

    // Handle the main menu.

    if (aResourceId == R_FEEDS_FEED_VIEW_MENU)

        {

        // Back to Page (if page loaded)

        if ( iApiProvider.IsPageLoaded() )

            {

            iApiProvider.FeedsClientUtilities().AddItemL( *aMenuPane, EWmlCmdBackToPage, R_BROWSER_MENU_ITEM_BACK_TO_PAGE );

            }

        }

    iApiProvider.FeedsClientUtilities().DynInitMenuPaneL(aResourceId, aMenuPane );

    }

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

// CFeedsFeedView::SetInitialItem

//

// Sets the initial item once the view is activated.

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

//

void CFeedsFeedView::SetInitialItem(TInt aItemIndex)

    {

    iInitialItem = aItemIndex;

    }

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

// CFeedsTopicView::UpdateToolbarButtonsState

//

// Updates the state of the toolbar buttons depending on the situation

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

//

void CFeedsFeedView::UpdateToolbarButtonsState()

    {

    if ( iContainer->ItemCount()  > 1 )

        {

        Toolbar()->SetItemDimmed(EFeedsShowPrevItem, EFalse, ETrue);

        Toolbar()->SetItemDimmed(EFeedsShowNextItem, EFalse, ETrue);     

        }

    else

        {

        Toolbar()->SetItemDimmed(EFeedsShowPrevItem, ETrue, ETrue);

        Toolbar()->SetItemDimmed(EFeedsShowNextItem, ETrue, ETrue);		

        }

    }

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

// CFeedsFeedView::CommandSetResourceIdL

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

TInt CFeedsFeedView::CommandSetResourceIdL()

    {

    // It is never called, but this function have to be implemented

    return KWmlEmptyResourceId;

    }

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

// CFeedsFeedView::HandleClientRectChange

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

//

void CFeedsFeedView::HandleClientRectChange()

    {

    if( iContainer )

        {

        iContainer->MakeVisible(EFalse);

        iContainer->SetRect(ClientRect());

        iContainer->MakeVisible(ETrue);        

        }

    }

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

// CFeedsFeedView::DisconnectL

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

//

void CFeedsFeedView::DisconnectL()

    {

    if( iContainer )

        {

        iContainer->iBrowserControl->HandleCommandL( TBrCtlDefs::ECommandDisconnect + TBrCtlDefs::ECommandIdBase );

        }

    }