/*

* Copyright (c) 2008-2009 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:    Media item list observer interface 

*

*/

#include "glxtoolbarcontroller.h"

#include <aknbutton.h>

#include <akntoolbar.h>                     // For Toolbar

#include <glxcommandhandlers.hrh>           // For Command ids

#include <glxtracer.h>                         // For Logs

#include <glxlog.h>                         // For Logs

#include <mglxmedialist.h>

#include <glxnavigationalstate.h>

#include <mpxcollectionpath.h>

#include <glxcollectionpluginimageviewer.hrh>

#include <centralrepository.h>              // for checking the ShareOnline version

#include <glxuiutility.h>

// CONSTANTS AND DEFINITIONS

namespace

    {

    // ShareOnline application UID    

    const TUid KShareOnlineUid = { 0x2002CC1F };

    // Shareonline Application version

    const TUint32 KShareApplicationVersion = 0x1010020;

    // Buffer to maintain the ShareOnline version number in use

    const TInt KPhotosShareOnlineVersionBufLen = 12;

    // Minimum version required for OneClickUpload to work

    const TVersion KShareOnlineMinimumVersion( 5, 0, 0 );

    }

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

// NewL

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

//

CGlxToolbarController* CGlxToolbarController::NewL()

    {

    TRACER("CGlxToolbarController::NewL");

    CGlxToolbarController *self = new( ELeave ) CGlxToolbarController ();

    return self;

    }

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

// Default Constructor

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

//

CGlxToolbarController::CGlxToolbarController( )

    {

    TRACER("CGlxToolbarController::Default constructor");

    }

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

// AddToObserver

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

//

void CGlxToolbarController::AddToObserverL (MGlxMediaList& aList, CAknToolbar* aToolbar)

    {

    TRACER("CGlxToolbarController::AddToObserverL");

    iToolbar = aToolbar;

    iAttributeAvailable = EFalse;

    aList.AddMediaListObserverL ( this );

    }

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

// RemoveFromObserver 

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

//

void CGlxToolbarController::RemoveFromObserver (MGlxMediaList& aList)

    {

    TRACER("CGlxToolbarController::RemoveFromObserver");

    if( aList.SelectionCount()<= 0 )

        {

        EnableLatch( EGlxCmdStartMultipleMarking, EFalse );

        }

    aList.RemoveMediaListObserver ( this );

    }

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

// HandleItemAddedL

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

//

void CGlxToolbarController::HandleItemAddedL(TInt /*aStartIndex*/, TInt /*aEndIndex*/, 

        MGlxMediaList* /*aList*/)

    {

    TRACER("CGlxToolbarController::HandleItemAddedL");

    }

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

// HandleMediaL

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

//

void CGlxToolbarController::HandleMediaL(TInt /*aListIndex*/, MGlxMediaList* /*aList*/)

    {

    TRACER("CGlxToolbarController::HandleMediaL");

    }

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

// HandleItemRemovedL

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

//

void CGlxToolbarController::HandleItemRemovedL(TInt /*aStartIndex*/, 

        TInt /*aEndIndex*/, MGlxMediaList* aList)

    {

    TRACER("CGlxToolbarController::HandleItemRemovedL");

    if( aList->Count() <= 0 )

        {

         SetToolbarItemsDimmed(ETrue);

        }

    }

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

// HandleItemModifiedL

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

//

void CGlxToolbarController::HandleItemModifiedL(const RArray<TInt>& /*aItemIndexes*/, 

        MGlxMediaList* /*aList*/)

    {

    TRACER("CGlxToolbarController::HandleItemModifiedL");

    }

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

// HandleAttributesAvailableL

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

//

void CGlxToolbarController::HandleAttributesAvailableL(TInt aItemIndex, 

        const RArray<TMPXAttribute>& /*aAttributes*/, 

        MGlxMediaList* aList)

    {

    TRACER("CGlxToolbarController::HandleAttributesAvailableL");

    if( aItemIndex == aList->FocusIndex() )

        {        

        iAttributeAvailable = ETrue;

        SetStatusL(aList);

        }

    }

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

// HandleFocusChangedL

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

//

void CGlxToolbarController::HandleFocusChangedL(

        NGlxListDefs::TFocusChangeType /*aType*/, TInt /*aNewIndex*/, 

        TInt /*aOldIndex*/, MGlxMediaList* aList)

    {  

    TRACER("CGlxToolbarController::HandleFocusChangedL");

    if (aList->Count() <= 0)

        {

        SetToolbarItemsDimmed(ETrue);

        }

    }

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

// HandleItemSelectedL

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

//

void CGlxToolbarController::HandleItemSelectedL(TInt /*aIndex*/, TBool /*aSelected*/, 

        MGlxMediaList* aList)

    {

    TRACER("CGlxToolbarController::HandleItemSelectedL");

    GLX_DEBUG2("CGlxToolbarController::HandleItemSelectedL()"

            " aList->SelectionCount()=%d", aList->SelectionCount());

    // If atleast 1 item is marked, or if Mark All is called, then Latch the mark button.

    if ((aList->SelectionCount() == 1) || (aList->SelectionCount()

            == aList->Count()))

        {

        EnableLatch(EGlxCmdStartMultipleMarking, ETrue);

        }

    }

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

// HandleMessageL

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

//

void CGlxToolbarController::HandleMessageL(const CMPXMessage& /*aMessage*/, 

        MGlxMediaList* /*aList*/)

    {

    TRACER("CGlxToolbarController::HandleMessageL");

    }

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

// Destructor

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

//

CGlxToolbarController::~CGlxToolbarController()

    {

    TRACER("CGlxToolbarController Destructor");

    }

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

// SetStatusOnViewActivationL

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

//

void CGlxToolbarController::SetStatusOnViewActivationL( MGlxMediaList* aList )

     {

    TRACER("CGlxToolbarController::SetStatusOnViewActivationL");

    TRAPD(err, CheckShareonlineVersionL());

    GLX_LOG_INFO2("CGlxToolbarController::SetStatusOnViewActivationL(%d),"

            " err(%d)", aList->Count(), err);

    CGlxNavigationalState* navigationalState =

            CGlxNavigationalState::InstanceL();

    CleanupClosePushL(*navigationalState);

    if (navigationalState->ViewingMode() == NGlxNavigationalState::EBrowse)

        {

        if (err == KErrNone)

            {

            CAknButton* sendButton =

                    static_cast<CAknButton*> (iToolbar->ControlOrNull(

                            EGlxCmdSend));

            if (sendButton)

                {

                iToolbar->RemoveItem(EGlxCmdSend);

                }

            }

        else

            {

            CAknButton* uploadButton =

                    static_cast<CAknButton*> (iToolbar->ControlOrNull(

                            EGlxCmdUpload));

            if (uploadButton)

                {

                iToolbar->RemoveItem(EGlxCmdUpload);

                }

            }

        iToolbar->SetItemDimmed(EGlxCmdSlideshowPlay, EFalse, ETrue);

        iToolbar->SetItemDimmed(EGlxCmdStartMultipleMarking, EFalse, ETrue);

        TBool dimmed = aList->SelectionCount() ? EFalse : ETrue;

        iToolbar->SetItemDimmed(EGlxCmdSend, dimmed, ETrue);

        iToolbar->SetItemDimmed(EGlxCmdUpload, dimmed, ETrue);

        }

    else if (navigationalState->ViewingMode() == NGlxNavigationalState::EView)

        {

        if (err == KErrNone)

            {

            CAknButton* slideshowButton =

                    static_cast<CAknButton*> (iToolbar->ControlOrNull(

                            EGlxCmdSlideshowPlay));

            if (slideshowButton)

                {

                iToolbar->RemoveItem(EGlxCmdSlideshowPlay);

                }

            }

        else

            {

            CAknButton* uploadButton =

                    static_cast<CAknButton*> (iToolbar->ControlOrNull(

                            EGlxCmdUpload));

            if (uploadButton)

                {

                iToolbar->RemoveItem(EGlxCmdUpload);

                }

            }

        SetToolbarItemsDimmed(EFalse);

        }

    CleanupStack::PopAndDestroy(navigationalState);

    // When going back from fullscreen to grid, when the attributes are already 

    // available in the cache, there is no HandleAttributeAvailable callback. Hence,

    // checking for medialist count.

    if (!iAttributeAvailable)

        {

        SetStatusL(aList);

        }

    }

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

//SetStatusL

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

//

void CGlxToolbarController::SetStatusL(MGlxMediaList* aList)

	{

    TRACER("CGlxToolbarController::SetStatusL");

	GLX_LOG_INFO1("CGlxToolbarController::SetStatusL(%d)", aList->Count());

    // When going back from fullscreen to grid, when the attributes are already 

    // available in the cache, there is no HandleAttributeAvailable callback. Hence,

    // checking for medialist count and backward navigation

	CGlxUiUtility* uiUtility = CGlxUiUtility::UtilityL();

	CleanupClosePushL(*uiUtility);

	if (aList->Count() <= 0 && (uiUtility->ViewNavigationDirection()

			== EGlxNavigationBackwards))

		{

		SetToolbarItemsDimmed(ETrue);

		}

	else if (KErrNotFound != aList->FocusIndex())

		{

		CGlxNavigationalState* navigationalState =

				CGlxNavigationalState::InstanceL();

		CleanupClosePushL(*navigationalState);

		if (navigationalState->ViewingMode() == NGlxNavigationalState::EView)

			{

			SetToolbarItemsDimmed(EFalse);

			}

		else if (navigationalState->ViewingMode()

				== NGlxNavigationalState::EBrowse)

			{

			TBool dimmed = aList->SelectionCount() ? EFalse : ETrue;

			iToolbar->SetItemDimmed(EGlxCmdSend, dimmed, ETrue);

			iToolbar->SetItemDimmed(EGlxCmdUpload, dimmed, ETrue);

			}

		CleanupStack::PopAndDestroy(navigationalState);

		}

	CleanupStack::PopAndDestroy(uiUtility);

	}

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

// EnableLatch

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

//

void CGlxToolbarController::EnableLatch( TInt aCommandId, TInt aLatched )

    {

    TRACER("CGlxToolbarController::EnableLatch()");

    GLX_DEBUG2("CGlxToolbarController::EnableLatch() aLatched=%d", aLatched);

    CAknButton* toolbarButton =

            static_cast<CAknButton*> (iToolbar->ControlOrNull(aCommandId));

        {

        toolbarButton->SetCurrentState(aLatched, ETrue);

        }

    }

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

// HandlePopulatedL

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

//

void CGlxToolbarController::HandlePopulatedL( MGlxMediaList* aList )

    {

    TRACER("CGlxToolbarController::HandlePopulatedL()");

    if (aList->Count() <= 0)

        {

        SetToolbarItemsDimmed(ETrue);

        }

    if (!iToolbar->IsVisible())

        {

        GLX_DEBUG1("CGlxToolbarController::HandlePopulatedL()"

                " - SetToolbarVisibility(ETrue)");       

        iToolbar->SetToolbarVisibility(ETrue);

        } 

    }

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

// SetToolbarItemsDimmed

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

//

void CGlxToolbarController::SetToolbarItemsDimmed(TBool aDimmed)

    {

    TRACER("CGlxToolbarController::SetToolbarItemsDimmed()");

    if (iToolbar)

        {

        iToolbar->SetItemDimmed(EGlxCmdSlideshowPlay, aDimmed, ETrue);

        iToolbar->SetItemDimmed(EGlxCmdStartMultipleMarking, aDimmed, ETrue);

        iToolbar->SetItemDimmed(EGlxCmdSend, aDimmed, ETrue);

        iToolbar->SetItemDimmed(EGlxCmdUpload, aDimmed, ETrue);

        }

    }

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

// CheckShareonlineVersionL

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

//

void CGlxToolbarController::CheckShareonlineVersionL()

    {

    TRACER("CGlxToolbarController::CheckShareonlineVersionL");

    CRepository* rep = CRepository::NewLC(KShareOnlineUid);

    //

    TBuf<KPhotosShareOnlineVersionBufLen> versionBuf;

    // Query the ShareOnline version in the build

    User::LeaveIfError(rep->Get(KShareApplicationVersion, versionBuf));

    // Initialize version to zero

    TVersion version(0, 0, 0);

    TLex lex(versionBuf);

    User::LeaveIfError(lex.Val(version.iMajor));

    if (lex.Get() != TChar('.'))

        {

        User::Leave(KErrCorrupt);

        }

    User::LeaveIfError(lex.Val(version.iMinor));

    if (lex.Get() != TChar('.'))

        {

        User::Leave(KErrCorrupt);

        }

    User::LeaveIfError(lex.Val(version.iBuild));

    // Compare version number and leave if the detected

    // version is less than KShareOnlineMinimumVersion.

    if (version.iMajor < KShareOnlineMinimumVersion.iMajor)

        {

        User::LeaveIfError(KErrNotSupported);

        }

    else if (version.iMajor == KShareOnlineMinimumVersion.iMajor)

        {

        if (version.iMinor < KShareOnlineMinimumVersion.iMinor)

            {

            User::LeaveIfError(KErrNotSupported);

            }

        else if (version.iMinor == KShareOnlineMinimumVersion.iMinor)

            {

            if (version.iBuild < KShareOnlineMinimumVersion.iBuild)

                {

                User::LeaveIfError(KErrNotSupported);

                }

            else

                {

                // Version is supported, fall through

                }

            }

        else

            {

            // Version is supported, fall through

            }

        }

    else

        {

        // Version is supported, fall through

        }

    CleanupStack::PopAndDestroy(rep);

    }

//end of file