skins/AknSkins/wpusrc/AknsWallpaperUtils.cpp
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     1 /*
       
     2 * Copyright (c) 2005-2008 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Wallpaper setting utility class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDES
       
    20 #include <AknsWallpaperUtils.h>
       
    21 #include <AknsSrvClient.h>
       
    22 #include <AknSkinsInternalCRKeys.h>
       
    23 #include <centralrepository.h>
       
    24 #include <DRMHelper.h>
       
    25 #include <DRMRights.h>
       
    26 #include <caf/manager.h>
       
    27 #include <coemain.h>
       
    28 #include <StringLoader.h>
       
    29 #include <AknWaitDialog.h>
       
    30 #include <AknWaitNoteWrapper.h>
       
    31 #include <babitflags.h>
       
    32 
       
    33 // CONSTANTS
       
    34 #if defined(RD_SLIDESHOW_WALLPAPER)
       
    35 // No wallpaper defined.
       
    36 const TInt KAknsWpNone = 0;
       
    37 // Image type wallpaper defined.
       
    38 const TInt KAknsWpImage = 1;
       
    39 #endif //RD_SLIDESHOW_WALLPAPER
       
    40 
       
    41 
       
    42 _LIT( KAknsSkinSrvSvgFileExt, ".svg" );
       
    43 
       
    44 
       
    45 // Background process class.
       
    46 class CAknsWPUTask : public CBase, public MAknBackgroundProcess
       
    47     {
       
    48     public: // Construction
       
    49         CAknsWPUTask(RAknsSrvSession* aSkinSrvSession,
       
    50                      CRepository* aSkinsRepository,
       
    51                      const TDesC& aFilename)
       
    52             : iSkinSrvSession(aSkinSrvSession),
       
    53             iSkinsRepository(aSkinsRepository),
       
    54             iWPUErr( KErrNone )
       
    55             {
       
    56             iInternalState.ClearAll();
       
    57             iFilename = aFilename;
       
    58             }
       
    59 
       
    60     public: // From MAknBackgroundProcess
       
    61         TBool IsProcessDone() const
       
    62             {
       
    63             if ( iInternalState.IsSet( EAknsWpuSetWallpaper ) &&
       
    64                  iInternalState.IsSet( EAknsWpuTestDecode ) )
       
    65                 {
       
    66                 return ETrue;
       
    67                 }
       
    68             return EFalse;
       
    69             }
       
    70 
       
    71         void StepL()
       
    72             {
       
    73             if( IsProcessDone() )
       
    74                 {
       
    75                 iInternalState.ClearAll();
       
    76                 return;
       
    77                 }
       
    78             if ( iInternalState.IsClear( EAknsWpuTestDecode ) )
       
    79                 {
       
    80                 DecodeWallpaperImageL( iFilename, *iSkinSrvSession );
       
    81                 iInternalState.Set( EAknsWpuTestDecode );
       
    82                 }
       
    83             else if ( iInternalState.IsClear( EAknsWpuSetWallpaper ) )
       
    84                 {
       
    85                 iWPUErr = iSkinSrvSession->SetIdleWallpaper(iFilename);
       
    86                 if (!iWPUErr)
       
    87                     {
       
    88                     iWPUErr = iSkinsRepository->Set(KPslnIdleBackgroundImagePath, iFilename);
       
    89 #if defined(RD_SLIDESHOW_WALLPAPER)
       
    90                     if (iFilename.Length() > 0)
       
    91                         {
       
    92                         iWPUErr = iSkinsRepository->Set(KPslnWallpaperType, KAknsWpImage );
       
    93                         }
       
    94                     else
       
    95                         {
       
    96                         iWPUErr = iSkinsRepository->Set(KPslnWallpaperType, KAknsWpNone );
       
    97                         }
       
    98 #endif //RD_SLIDESHOW_WALLPAPER
       
    99                     }
       
   100                 iInternalState.Set( EAknsWpuSetWallpaper );
       
   101                 }
       
   102             }
       
   103         void DialogDismissedL(TInt aButtonId )
       
   104             {
       
   105             if ( aButtonId == KErrNotFound )
       
   106                 {
       
   107                 // operation was cancelled
       
   108                 }
       
   109             aButtonId++;
       
   110             }
       
   111     private:
       
   112             // -----------------------------------------------------------------------------
       
   113             // Decodes selected image.
       
   114             // -----------------------------------------------------------------------------
       
   115             //
       
   116             void DecodeWallpaperImageL( const TDesC& aFilename, RAknsSrvSession& aSkinSrvSession )
       
   117                 {
       
   118                 if (aFilename.Length() > 0)
       
   119                     {
       
   120                     // check if the image is corrupted
       
   121                     CFbsBitmap* bmp = NULL;
       
   122                     CFbsBitmap* mask = NULL;
       
   123                     // no way currently of checking corrupted svg:s
       
   124                     if ((aFilename.Right(4)).CompareF( KAknsSkinSrvSvgFileExt ))
       
   125                         {
       
   126                         aSkinSrvSession.DecodeWallpaperImageL(aFilename, TSize(-1,-1), bmp, mask);
       
   127                         }
       
   128                     }
       
   129                 }
       
   130 
       
   131 
       
   132     private: // Data
       
   133         /*
       
   134         * Internal state of the class.
       
   135         */
       
   136         enum TPslnModelState
       
   137             {
       
   138             // initial state
       
   139             EAknsWpuModelStateInitial = 0x00000000,
       
   140             // do test decode for the image
       
   141             EAknsWpuTestDecode = 0x00000001,
       
   142             // set wallpaper
       
   143             EAknsWpuSetWallpaper = 0x00000002 };
       
   144         TBitFlags iInternalState;
       
   145 
       
   146         // Filename for wallpaper.
       
   147         TFileName iFilename;
       
   148 
       
   149         // Skin server session.
       
   150         RAknsSrvSession* iSkinSrvSession;
       
   151 
       
   152         // Repository where to store wallpaper settings.
       
   153         CRepository* iSkinsRepository;
       
   154 
       
   155     public: // Public data
       
   156 
       
   157         // Error code, if any.
       
   158         TInt iWPUErr;
       
   159     };
       
   160 
       
   161 
       
   162 // -----------------------------------------------------------------------------
       
   163 // Checks if given file is DRM protected.
       
   164 // -----------------------------------------------------------------------------
       
   165 //
       
   166 TBool IsDRMProtectedL(const TDesC& aFilename)
       
   167     {
       
   168     TBool isProtected(EFalse);
       
   169     TInt value = KErrNone;
       
   170 
       
   171     ContentAccess::CContent* content = ContentAccess::CContent::NewLC( aFilename );
       
   172     User::LeaveIfError( content->GetAttribute( ContentAccess::EIsProtected, value ) );
       
   173     if ( value )
       
   174         {
       
   175         isProtected = ETrue;
       
   176         }
       
   177     CleanupStack::PopAndDestroy( content );
       
   178     return isProtected;
       
   179     }
       
   180 
       
   181 // -----------------------------------------------------------------------------
       
   182 // Checks if given file can be set DRM automated content.
       
   183 // -----------------------------------------------------------------------------
       
   184 //
       
   185 TBool QueryAndSetAutomatedL(const TDesC& aFileName, CCoeEnv* aCoeEnv)
       
   186     {
       
   187     TBool set(ETrue);
       
   188 
       
   189     CDRMHelper* helper = NULL;
       
   190     if (!aCoeEnv)
       
   191         {
       
   192         helper = CDRMHelper::NewLC();
       
   193         }
       
   194     else
       
   195         {
       
   196         helper = CDRMHelper::NewLC(*aCoeEnv);
       
   197         }
       
   198     TBool cansetautomated(EFalse);
       
   199 
       
   200     TInt result = helper->CanSetAutomated(aFileName, cansetautomated);
       
   201     if (!cansetautomated && result == KErrCANoRights)
       
   202         {
       
   203         if (aCoeEnv)
       
   204             {
       
   205             User::LeaveIfError(helper->HandleErrorL( result,
       
   206             aFileName ) );
       
   207             }
       
   208 
       
   209         User::Leave(result);
       
   210         }
       
   211     if (!cansetautomated)
       
   212         {
       
   213         User::Leave(KAknsWpuErrorPreviewOnly);
       
   214         }
       
   215 
       
   216     CDRMHelperRightsConstraints* playconst = NULL;
       
   217     CDRMHelperRightsConstraints* dispconst = NULL;
       
   218     CDRMHelperRightsConstraints* execconst = NULL;
       
   219     CDRMHelperRightsConstraints* printconst = NULL;
       
   220     TBool expired(EFalse);
       
   221     TBool sendingallowed(EFalse);
       
   222     helper->GetRightsDetailsL( aFileName,
       
   223         CDRMRights::EDisplay, expired, sendingallowed,
       
   224         playconst, dispconst, execconst, printconst);
       
   225     delete playconst;
       
   226     delete execconst;
       
   227     delete printconst;
       
   228     CleanupStack::PushL(dispconst);
       
   229 
       
   230     if (dispconst->FullRights())
       
   231         {
       
   232         set = ETrue;
       
   233         // Set the Fullrights content as automated also
       
   234         // and ignore the result...
       
   235         helper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper);
       
   236         if (!aCoeEnv)
       
   237             {
       
   238             helper->SetAutomatedSilent(aFileName, ETrue);
       
   239             }
       
   240         else
       
   241             {
       
   242             helper->SetAutomated( aFileName );
       
   243             }
       
   244         }
       
   245     else
       
   246         {
       
   247         TInt res = KErrNone;
       
   248         helper->SetAutomatedType(CDRMHelper::EAutomatedTypeWallpaper);
       
   249         if (!aCoeEnv)
       
   250             {
       
   251             res = helper->SetAutomatedSilent( aFileName, ETrue );
       
   252             }
       
   253         else
       
   254             {
       
   255             res = helper->SetAutomated( aFileName );
       
   256             }
       
   257 
       
   258         if (res == KErrCancel)
       
   259             {
       
   260             set = EFalse;
       
   261             }
       
   262         else
       
   263             {
       
   264             User::LeaveIfError( res );
       
   265             User::LeaveIfError( helper->ConsumeFile2(aFileName, CDRMRights::EDisplay, CDRMHelper::EStart) );
       
   266             User::LeaveIfError( helper->ConsumeFile2(aFileName, CDRMRights::EDisplay, CDRMHelper::EFinish) );
       
   267 
       
   268             set = ETrue;
       
   269             }
       
   270         }
       
   271 
       
   272     CleanupStack::PopAndDestroy(2); //helper, dispconst
       
   273     return set;
       
   274     }
       
   275 
       
   276 // -----------------------------------------------------------------------------
       
   277 // Sets image file as still image wallpaper.
       
   278 // -----------------------------------------------------------------------------
       
   279 //
       
   280 void DoSetIdleWallpaperL(const TDesC& aFilename, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)
       
   281     {
       
   282     if (aFilename.Length() > 0)
       
   283         {
       
   284         RFs fs;
       
   285         TEntry fileentry;
       
   286         User::LeaveIfError(fs.Connect());
       
   287         CleanupClosePushL(fs);
       
   288         User::LeaveIfError(fs.Entry(aFilename, fileentry));
       
   289         if (fileentry.iSize == 0)
       
   290             {
       
   291             User::Leave(KErrCorrupt);
       
   292             }
       
   293         CleanupStack::PopAndDestroy(); // fs
       
   294         }
       
   295 
       
   296         
       
   297     RAknsSrvSession skinsrv;
       
   298     User::LeaveIfError(skinsrv.Connect());
       
   299     CleanupClosePushL(skinsrv);
       
   300     CRepository* skinsrep = CRepository::NewL(KCRUidPersonalisation);
       
   301     CleanupStack::PushL(skinsrep);
       
   302     if (aFilename.Length()>0 && IsDRMProtectedL(aFilename))
       
   303         {
       
   304         if (!QueryAndSetAutomatedL(aFilename, aCoeEnv))
       
   305             {
       
   306             CleanupStack::PopAndDestroy(2);
       
   307             User::Leave(KErrCancel);
       
   308             }
       
   309         }
       
   310     if (aCoeEnv && (aWaitNoteTextResourceID && aWaitNoteResourceID))
       
   311         {
       
   312         HBufC* noteText = StringLoader::LoadLC( aWaitNoteTextResourceID);
       
   313         CAknsWPUTask* wputask = new (ELeave) CAknsWPUTask(&skinsrv, skinsrep, aFilename);
       
   314         CleanupStack::PushL(wputask);
       
   315         CAknWaitNoteWrapper* wrapper = CAknWaitNoteWrapper::NewL();
       
   316         CleanupDeletePushL(wrapper);
       
   317 
       
   318         TRAPD( executeErr,
       
   319         wrapper->ExecuteL(
       
   320             aWaitNoteResourceID, *wputask, *noteText, ETrue ) );
       
   321 
       
   322         User::LeaveIfError(wputask->iWPUErr);
       
   323 
       
   324         CleanupStack::PopAndDestroy(3); // wrapper, wputask, noteText
       
   325         User::LeaveIfError( executeErr );
       
   326         }
       
   327     else
       
   328         {
       
   329         // no "opening" note as no coeenv is given
       
   330         User::LeaveIfError(skinsrv.SetIdleWallpaper(aFilename));
       
   331         User::LeaveIfError(skinsrep->Set(KPslnIdleBackgroundImagePath, aFilename));
       
   332 #if defined(RD_SLIDESHOW_WALLPAPER)
       
   333         if (aFilename.Length() > 0)
       
   334             {
       
   335             User::LeaveIfError(skinsrep->Set(KPslnWallpaperType, KAknsWpImage));
       
   336             }
       
   337         else
       
   338             {
       
   339             User::LeaveIfError(skinsrep->Set(KPslnWallpaperType, KAknsWpNone));
       
   340             }
       
   341 #endif // RD_SLIDESHOW_WALLPAPER
       
   342         }
       
   343 
       
   344     CleanupStack::PopAndDestroy(2); // skinsrv, skinsrep
       
   345     }
       
   346 
       
   347 // -----------------------------------------------------------------------------
       
   348 // Public API for setting image as wallpaper.
       
   349 // -----------------------------------------------------------------------------
       
   350 //
       
   351 EXPORT_C TInt AknsWallpaperUtils::SetIdleWallpaper(const TDesC& aFilename, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)
       
   352     {
       
   353     TInt err(KErrNone);
       
   354     TRAP(err, DoSetIdleWallpaperL(aFilename, aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID));
       
   355     return err;
       
   356     }
       
   357 
       
   358 #if defined(RD_SLIDESHOW_WALLPAPER)
       
   359 void ValidateEntriesL( CDesCArray& /*aSelectedFiles*/ , CCoeEnv* /*aCoeEnv*/ )
       
   360     {
       
   361     }
       
   362 
       
   363 // -----------------------------------------------------------------------------
       
   364 // Sets set of images as slideset wallpaper.
       
   365 // If there is only one image, it is set as normal wallpaper.
       
   366 // If there are no images in the slideset, then set as None.
       
   367 // -----------------------------------------------------------------------------
       
   368 //
       
   369 void DoSetSlidesetWallpaperL(CDesCArray& aSelectedFiles, CCoeEnv* aCoeEnv, TInt aWaitNoteTextResourceID, TInt aWaitNoteResourceID)
       
   370     {
       
   371     TInt count = aSelectedFiles.MdcaCount();
       
   372     if (!count)
       
   373         {
       
   374         DoSetIdleWallpaperL(KNullDesC, aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID);
       
   375         return;
       
   376         }
       
   377     // only one file, set it as normal wp.
       
   378     if (count == 1)
       
   379         {
       
   380         DoSetIdleWallpaperL(aSelectedFiles.MdcaPoint(0), aCoeEnv, aWaitNoteTextResourceID, aWaitNoteResourceID);
       
   381         }
       
   382     ValidateEntriesL( aSelectedFiles , aCoeEnv );
       
   383 
       
   384     RAknsSrvSession skinsrv;
       
   385     User::LeaveIfError(skinsrv.Connect());
       
   386     CleanupClosePushL(skinsrv);
       
   387     CRepository* skinsrep = CRepository::NewL(KCRUidPersonalisation);
       
   388     CleanupStack::PushL(skinsrep);
       
   389     User::LeaveIfError(skinsrv.SetSlideSetWallpaper(aSelectedFiles));
       
   390     if (count != 1)
       
   391         {
       
   392         User::LeaveIfError(skinsrep->Set(KPslnWallpaperType, 2));
       
   393         }
       
   394     CleanupStack::PopAndDestroy(2); // skinsrep, skinsrv
       
   395 
       
   396     }
       
   397 #endif //RD_SLIDESHOW_WALLPAPER
       
   398 
       
   399 // -----------------------------------------------------------------------------
       
   400 // Public API for setting slide set wallpaper.
       
   401 // -----------------------------------------------------------------------------
       
   402 //
       
   403 EXPORT_C TInt AknsWallpaperUtils::SetSlidesetWallpaper(CDesCArray& /*aSelectedFiles*/, CCoeEnv* /*aCoeEnv*/, TInt /*aWaitNoteTextResourceID*/, TInt /*aWaitNoteResourceID*/)
       
   404     {
       
   405     //deprecated for 9.2 page specific wallpaper
       
   406     return KErrNotSupported;
       
   407     }
       
   408     
       
   409 // End of file
       
   410