/*

* 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 "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:  Wallpaper setting utility class.

*

*/

// INCLUDES

#include <AknsWallpaperUtils.h>

#include <AknsSrvClient.h>

#include <AknSkinsInternalCRKeys.h>

#include <centralrepository.h>

#include <DRMHelper.h>

#include <DRMRights.h>

#include <caf/manager.h>

#include <coemain.h>

#include <StringLoader.h>

#include <AknWaitDialog.h>

#include <AknWaitNoteWrapper.h>

#include <babitflags.h>

// CONSTANTS

#if defined(RD_SLIDESHOW_WALLPAPER)

// No wallpaper defined.

const TInt KAknsWpNone = 0;

// Image type wallpaper defined.

const TInt KAknsWpImage = 1;

#endif //RD_SLIDESHOW_WALLPAPER

_LIT( KAknsSkinSrvSvgFileExt, ".svg" );

// Background process class.

class CAknsWPUTask : public CBase, public MAknBackgroundProcess

    {

    public: // Construction

        CAknsWPUTask(RAknsSrvSession* aSkinSrvSession,

                     const TDesC& aFilename)

            : iSkinSrvSession(aSkinSrvSession),

            iWPUErr( KErrNone )

            {

            iInternalState.ClearAll();

            iFilename = aFilename;

            }

    public: // From MAknBackgroundProcess

        TBool IsProcessDone() const

            {

            if ( iInternalState.IsSet( EAknsWpuSetWallpaper ) &&

                 iInternalState.IsSet( EAknsWpuTestDecode ) )

                {

                return ETrue;

                }

            return EFalse;

            }

        void StepL()

            {

            if( IsProcessDone() )

                {

                iInternalState.ClearAll();

                return;

                }

            if ( iInternalState.IsClear( EAknsWpuTestDecode ) )

                {

                DecodeWallpaperImageL( iFilename, *iSkinSrvSession );

                iInternalState.Set( EAknsWpuTestDecode );

                }

            else if ( iInternalState.IsClear( EAknsWpuSetWallpaper ) )

                {

                iWPUErr = iSkinSrvSession->SetIdleWallpaper(iFilename);

                iInternalState.Set( EAknsWpuSetWallpaper );

                }

            }

        void DialogDismissedL(TInt aButtonId )

            {

            if ( aButtonId == KErrNotFound )

                {

                // operation was cancelled

                }

            aButtonId++;

            }

    private:

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

            // Decodes selected image.

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

            //

            void DecodeWallpaperImageL( const TDesC& aFilename, RAknsSrvSession& aSkinSrvSession )

                {

                if (aFilename.Length() > 0)

                    {

                    // check if the image is corrupted

                    CFbsBitmap* bmp = NULL;

                    CFbsBitmap* mask = NULL;

                    // no way currently of checking corrupted svg:s

                    if ((aFilename.Right(4)).CompareF( KAknsSkinSrvSvgFileExt ))

                        {

                        aSkinSrvSession.DecodeWallpaperImageL(aFilename, TSize(-1,-1), bmp, mask);

                        }

                    }

                }

    private: // Data

        /*

        * Internal state of the class.

        */

        enum TPslnModelState

            {

            // initial state

            EAknsWpuModelStateInitial = 0x00000000,

            // do test decode for the image

            EAknsWpuTestDecode = 0x00000001,

            // set wallpaper

            EAknsWpuSetWallpaper = 0x00000002 };

        TBitFlags iInternalState;

        // Filename for wallpaper.

        TFileName iFilename;

        // Skin server session.

        RAknsSrvSession* iSkinSrvSession;

    public: // Public data

        // Error code, if any.

        TInt iWPUErr;

    };

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

// Checks if given file is DRM protected.

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

//

TBool IsDRMProtectedL(const TDesC& aFilename)

    {

    TBool isProtected(EFalse);

    TInt value = KErrNone;

    ContentAccess::CContent* content = ContentAccess::CContent::NewLC( aFilename );

    User::LeaveIfError( content->GetAttribute( ContentAccess::EIsProtected, value ) );

    if ( value )

        {

        isProtected = ETrue;

        }

    CleanupStack::PopAndDestroy( content );

    return isProtected;

    }

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

// Checks if given file can be set DRM automated content.

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

//

TBool QueryAndSetAutomatedL(const TDesC& aFileName, CCoeEnv* aCoeEnv)

    {

    TBool set(ETrue);

    CDRMHelper* helper = NULL;

    if (!aCoeEnv)

        {

        helper = CDRMHelper::NewLC();

        }

    else

        {

        helper = CDRMHelper::NewLC(*aCoeEnv);

        }

    TBool cansetautomated(EFalse);

    TInt result = helper->CanSetAutomated(aFileName, cansetautomated);

    if (!cansetautomated && result == KErrCANoRights)

        {

        if (aCoeEnv)

            {

            User::LeaveIfError(helper->HandleErrorL( result,

            aFileName ) );

            }

        User::Leave(result);

        }

    if (!cansetautomated)

        {

        User::Leave(KAknsWpuErrorPreviewOnly);

        }

    CDRMHelperRightsConstraints* playconst = NULL;

    CDRMHelperRightsConstraints* dispconst = NULL;

    CDRMHelperRightsConstraints* execconst = NULL;

    CDRMHelperRightsConstraints* printconst = NULL;

    TBool expired(EFalse);

    TBool sendingallowed(EFalse);

    helper->GetRightsDetailsL( aFileName,

        CDRMRights::EDisplay, expired, sendingallowed,

        playconst, dispconst, execconst, printconst);

    delete playconst;

    delete execconst;

    delete printconst;

    CleanupStack::PushL(dispconst);

    if (dispconst->FullRights())

        {

        set = ETrue;

        // Set the Fullrights content as automated also

        // and ignore the result...

        helper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper);

        if (!aCoeEnv)

            {

            helper->SetAutomatedSilent(aFileName, ETrue);

            }

        else

            {

            helper->SetAutomated( aFileName );

            }

        }

    else

        {

        TInt res = KErrNone;

        helper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper);

        if (!aCoeEnv)

            {

            res = helper->SetAutomatedSilent( aFileName, ETrue );

            }

        else

            {

            res = helper->SetAutomated( aFileName );

            }

        if (res == KErrCancel)

            {

            set = EFalse;

            }

        else

            {

            User::LeaveIfError( res );

            User::LeaveIfError( helper->ConsumeFile2(aFileName, CDRMRights::EDisplay, CDRMHelper::EStart) );

            User::LeaveIfError( helper->ConsumeFile2(aFileName, CDRMRights::EDisplay, CDRMHelper::EFinish) );

            set = ETrue;

            }

        }

    CleanupStack::PopAndDestroy(2); //helper, dispconst

    return set;

    }

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

// Sets image file as still image wallpaper.

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

//

void DoSetIdleWallpaperL(const TDesC& aFilename, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)

    {

    if (aFilename.Length() > 0)

        {

        RFs fs;

        TEntry fileentry;

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

        CleanupClosePushL(fs);

        User::LeaveIfError(fs.Entry(aFilename, fileentry));

        if (fileentry.iSize == 0)

            {

            User::Leave(KErrCorrupt);

            }

        CleanupStack::PopAndDestroy(); // fs

        }

    RAknsSrvSession skinsrv;

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

    CleanupClosePushL(skinsrv);

    if (aFilename.Length()>0 && IsDRMProtectedL(aFilename))

        {

        if (!QueryAndSetAutomatedL(aFilename, aCoeEnv))

            {

            CleanupStack::PopAndDestroy(2);

            User::Leave(KErrCancel);

            }

        }

    if (aCoeEnv && (aWaitNoteTextResourceID && aWaitNoteResourceID))

        {

        HBufC* noteText = StringLoader::LoadLC( aWaitNoteTextResourceID);

        CAknsWPUTask* wputask = new (ELeave) CAknsWPUTask(&skinsrv, aFilename);

        CleanupStack::PushL(wputask);

        CAknWaitNoteWrapper* wrapper = CAknWaitNoteWrapper::NewL();

        CleanupDeletePushL(wrapper);

        TRAPD( executeErr,

        wrapper->ExecuteL(

            aWaitNoteResourceID, *wputask, *noteText, ETrue ) );

        User::LeaveIfError(wputask->iWPUErr);

        CleanupStack::PopAndDestroy(3); // wrapper, wputask, noteText

        User::LeaveIfError( executeErr );

        }

    else

        {

        // no "opening" note as no coeenv is given

        User::LeaveIfError(skinsrv.SetIdleWallpaper(aFilename));

        }

    CleanupStack::PopAndDestroy(); // skinsrv

    }

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

// Public API for setting image as wallpaper.

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

//

EXPORT_C TInt AknsWallpaperUtils::SetIdleWallpaper(const TDesC& aFilename, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)

    {

    TInt err(KErrNone);

    TRAP(err, DoSetIdleWallpaperL(aFilename, aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID));

    return err;

    }

#if defined(RD_SLIDESHOW_WALLPAPER)

void ValidateEntriesL( CDesCArray& /*aSelectedFiles*/ , CCoeEnv* /*aCoeEnv*/ )

    {

    }

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

// Sets set of images as slideset wallpaper.

// If there is only one image, it is set as normal wallpaper.

// If there are no images in the slideset, then set as None.

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

//

void DoSetSlidesetWallpaperL(CDesCArray& aSelectedFiles, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)

    {

    TInt count = aSelectedFiles.MdcaCount();

    if (!count)

        {

        DoSetIdleWallpaperL(KNullDesC, aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID);

        return;

        }

    // only one file, set it as normal wp.

    if (count == 1)

        {

        DoSetIdleWallpaperL(aSelectedFiles.MdcaPoint(0), aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID);

        }

    ValidateEntriesL( aSelectedFiles , aCoeEnv );

    RAknsSrvSession skinsrv;

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

    CleanupClosePushL(skinsrv);

    User::LeaveIfError(skinsrv.SetSlideSetWallpaper(aSelectedFiles));

    CleanupStack::PopAndDestroy();

    }

#endif //RD_SLIDESHOW_WALLPAPER

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

// Public API for setting slide set wallpaper.

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

//

EXPORT_C TInt AknsWallpaperUtils::SetSlidesetWallpaper(CDesCArray& /*aSelectedFiles*/, CCoeEnv* /*aCoeEnv*/, TInt /*aWaitNoteTextResourceID*/, TInt /*aWaitNoteResourceID*/)

    {

    //deprecated for 9.2 page specific wallpaper

    return KErrNotSupported;

    }

// End of file