photosgallery/viewframework/commandhandlers/commandhandlerupnp/src/glxupnpthumbnailsaver.cpp
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     1 /*
       
     2 * Copyright (c) 2008-2009 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:    Saves the thumbnail
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include "glxupnpthumbnailsaver.h"
       
    22 
       
    23 #include <AknIconUtils.h>                //AknIconUtils
       
    24 #include <AknUtils.h>
       
    25 #include <bautils.h>                     //BaflUtils
       
    26 #include <data_caging_path_literals.hrh>
       
    27 #include <imageconversion.h>             //CImageEncoder
       
    28 #include <mglxactivemedialistresolver.h> //MGlxActiveMediaListResolver
       
    29 #include <mglxmedialist.h>               //MGlxMediaList
       
    30 
       
    31 #include <glxresourceutilities.h>        //CGlxResourceUtilities
       
    32 #include <glxicons.mbg>                  //mgallery icon
       
    33 #include <glxtracer.h>                      //Logs
       
    34 #include <glxthumbnail.h>
       
    35 
       
    36 // CONSTANTS
       
    37 const TInt KVideoIconThumbnailWidth = 640;
       
    38 const TInt KVideoIconThumbnailHeight = 480;
       
    39 const TInt KIconWeight=100;
       
    40 const TInt KIconHeight=80;
       
    41 
       
    42 _LIT(KFilepath ,"C:\\Data\\upnp\\VideoThumb.jpg");    //jpeg                                   	     
       
    43 _LIT(KFolder,"C:\\Data\\upnp\\");
       
    44 _LIT(KIconsResName, "glxicons.mif");                  //For icons
       
    45 _LIT8(KGlxMimeJpeg, "image/jpeg");
       
    46 
       
    47 //-----------------------------------------------------------------------------------------
       
    48 // Two phased Constructor
       
    49 //-----------------------------------------------------------------------------------------
       
    50 CGlxThumbnailSaver* CGlxThumbnailSaver:: NewL(MGlxThumbnailSaveComplete* aObserver)   
       
    51     {
       
    52     TRACER("CGlxThumbnailSaver::NewL()");  
       
    53     
       
    54     CGlxThumbnailSaver* self = new (ELeave) CGlxThumbnailSaver( aObserver );
       
    55     CleanupStack::PushL( self );
       
    56     self->ConstructL();
       
    57     CleanupStack::Pop( self );
       
    58     return self;
       
    59     }
       
    60     
       
    61 //-----------------------------------------------------------------------------------------
       
    62 // Constructor
       
    63 //-----------------------------------------------------------------------------------------
       
    64 
       
    65 CGlxThumbnailSaver::CGlxThumbnailSaver (MGlxThumbnailSaveComplete* aObserver): CActive(EPriorityStandard)  
       
    66     {
       
    67     TRACER("CGlxThumbnailSaver::CGlxThumbnailSaver ");
       
    68     iObserver = aObserver;
       
    69     }
       
    70     
       
    71 //-----------------------------------------------------------------------------------------
       
    72 //	2nd phase Constructor
       
    73 //-----------------------------------------------------------------------------------------    
       
    74  
       
    75 void CGlxThumbnailSaver::ConstructL()   
       
    76     {
       
    77      TRACER("CGlxThumbnailSaver::ConstructL()");  
       
    78     
       
    79     User::LeaveIfError (iFs.Connect());
       
    80     CActiveScheduler::Add(this);
       
    81     if ( !BaflUtils::FolderExists( iFs, KFolder ) )
       
    82         { 
       
    83         User::LeaveIfError( iFs.MkDir( KFolder ) ); //create the folder upnp
       
    84         // set the folder as hidden to prevent MDS from harvesting its contents
       
    85         User::LeaveIfError( iFs.SetAtt( KFolder, KEntryAttHidden,
       
    86                 KEntryAttNormal ) );
       
    87         }
       
    88     }
       
    89     
       
    90 //-----------------------------------------------------------------------------------------
       
    91 // Destructor
       
    92 //-----------------------------------------------------------------------------------------
       
    93 
       
    94 CGlxThumbnailSaver::~CGlxThumbnailSaver()
       
    95     {
       
    96     TRACER("CGlxThumbnailSaver::~CGlxThumbnailSaver()");
       
    97     
       
    98     Cancel();
       
    99 
       
   100     iFs.Delete( KFilepath ); // return value ignored
       
   101     iFs.RmDir( KFolder ); // return value ignored
       
   102     
       
   103     delete iImageEncoder;
       
   104 
       
   105     delete iTempBitmap;  
       
   106 
       
   107     delete iVideoStrip;
       
   108 
       
   109     delete iVideoStripMask; 
       
   110 
       
   111     iObserver = NULL;
       
   112 
       
   113     iFs.Close();       
       
   114     } 
       
   115     
       
   116     
       
   117 //-----------------------------------------------------------------------------------------
       
   118 // Creates the video strip icon
       
   119 //-----------------------------------------------------------------------------------------
       
   120 
       
   121 void CGlxThumbnailSaver::CreateVideoStripIconL()
       
   122     {
       
   123     TRACER("CGlxThumbnailSaver::CreateVideoStripIconL()");
       
   124     
       
   125     TFileName mifFile(KDC_APP_BITMAP_DIR);
       
   126     mifFile.Append(KIconsResName);
       
   127     CGlxResourceUtilities::GetResourceFilenameL(mifFile);
       
   128 
       
   129     AknIconUtils::CreateIconL(iVideoStrip, iVideoStripMask, mifFile, 
       
   130     EMbmGlxiconsQgn_indi_media_thumbnail,EMbmGlxiconsQgn_indi_media_thumbnail_mask);
       
   131     AknIconUtils::SetSize(iVideoStrip, TSize(KIconWeight,KIconHeight),EAspectRatioNotPreserved);
       
   132     }
       
   133  
       
   134 //-----------------------------------------------------------------------------------------
       
   135 // Creates the default video icon ,this default icon will be sent in case, the 
       
   136 // thumbnail conversion fails
       
   137 //-----------------------------------------------------------------------------------------
       
   138 void CGlxThumbnailSaver::CreateDefaultVideoIconL()
       
   139     { 
       
   140     TRACER("CGlxThumbnailSaver::CreateDefaultVideoIconL");
       
   141     //create a temporary bitmap
       
   142     if(!iVideoStrip)
       
   143         {
       
   144         CreateVideoStripIconL();
       
   145         }
       
   146 
       
   147     CFbsBitmap* defaultBitmap=NULL;
       
   148     CFbsBitmap* defaultBitmapMask= NULL;
       
   149 
       
   150     TFileName mifFile(KDC_APP_BITMAP_DIR);
       
   151     mifFile.Append(KIconsResName);
       
   152     User::LeaveIfError(CompleteWithAppPath(mifFile)); 
       
   153 
       
   154     //creating default video icon 	 	
       
   155     AknIconUtils::CreateIconLC(defaultBitmap, defaultBitmapMask, mifFile,
       
   156     EMbmGlxiconsQgn_prop_image_notcreated, EMbmGlxiconsQgn_prop_image_notcreated_mask);
       
   157     AknIconUtils::SetSize(defaultBitmap, TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight),EAspectRatioNotPreserved);
       
   158     AknIconUtils::SetSize(defaultBitmapMask, TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight),EAspectRatioNotPreserved);
       
   159 
       
   160     //creates a temp bitmap
       
   161     delete iTempBitmap;
       
   162     iTempBitmap=NULL;
       
   163 
       
   164     iTempBitmap = new (ELeave) CFbsBitmap();
       
   165     User::LeaveIfError(iTempBitmap->Create(TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight), KGlxThumbnailDisplayMode));
       
   166 
       
   167     //create a graphic device
       
   168     CFbsBitmapDevice* graphicsDevice = CFbsBitmapDevice::NewL(iTempBitmap);
       
   169     CleanupStack::PushL(graphicsDevice);
       
   170 
       
   171     //bitmap context
       
   172     CFbsBitGc*  bitmapContext=NULL;
       
   173     User::LeaveIfError(graphicsDevice->CreateContext(bitmapContext));
       
   174     bitmapContext->Activate(graphicsDevice);
       
   175     CleanupStack::PushL(bitmapContext);
       
   176 	TRect rectSize;
       
   177 	rectSize.SetWidth(KVideoIconThumbnailWidth);
       
   178 	rectSize.SetHeight(KVideoIconThumbnailHeight);
       
   179 	TPoint centerPosition = rectSize.Center();
       
   180 	centerPosition.iX  = centerPosition.iX - (KIconWeight/2); 
       
   181 	centerPosition.iY  = centerPosition.iY - (KIconHeight/2);
       
   182     //blit the thumbnail in to the temporary bitmap
       
   183     bitmapContext->BitBlt(TPoint(0,0),defaultBitmap);
       
   184 
       
   185     //blit the overlay icon
       
   186     bitmapContext->BitBltMasked(centerPosition,iVideoStrip,TRect(TPoint(0,0), iVideoStrip->SizeInPixels()), iVideoStripMask,EFalse);
       
   187 
       
   188     //create the encoder -jpeg       
       
   189     delete iImageEncoder;
       
   190     iImageEncoder=NULL;
       
   191 
       
   192     iImageEncoder = CImageEncoder::FileNewL(iFs,KFilepath,KGlxMimeJpeg); 
       
   193 
       
   194     //convert to jpeg
       
   195     // Fix for ESAU-7CVF8R: "UPNP:MC photos Crashes When user focus the DRM video on the rendering device"
       
   196     // Ensure we don't try to activate ourself when already active
       
   197     if ( IsActive() )
       
   198         {
       
   199         Cancel();
       
   200         }
       
   201     iImageEncoder->Convert(&iStatus ,*iTempBitmap);
       
   202     SetActive();
       
   203     
       
   204     CleanupStack::PopAndDestroy(bitmapContext);
       
   205     CleanupStack::PopAndDestroy(graphicsDevice);
       
   206     CleanupStack::PopAndDestroy(defaultBitmapMask);
       
   207     CleanupStack::PopAndDestroy(defaultBitmap);
       
   208     }
       
   209 
       
   210 //---------------------------------------------------------------------------------	
       
   211 //	creates the  video overlayicon     
       
   212 //---------------------------------------------------------------------------------	
       
   213 
       
   214 void CGlxThumbnailSaver::CreateVideoIconL(CFbsBitmap* aThumbnail)
       
   215     {
       
   216     TRACER("CGlxThumbnailSaver::CreateVideoIconL");
       
   217 
       
   218     //create a temperory bitmap
       
   219     if(!iVideoStrip)
       
   220         {
       
   221         CreateVideoStripIconL();
       
   222         }
       
   223 
       
   224     delete iTempBitmap;
       
   225     iTempBitmap=NULL;
       
   226     iTempBitmap = new (ELeave) CFbsBitmap();
       
   227     User::LeaveIfError(iTempBitmap->Create(TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight), KGlxThumbnailDisplayMode));
       
   228 
       
   229     //create a graphic device
       
   230     CFbsBitmapDevice* graphicsDevice = CFbsBitmapDevice::NewL(iTempBitmap);
       
   231     CleanupStack::PushL(graphicsDevice);
       
   232 
       
   233     //bitmap context
       
   234     CFbsBitGc*  bitmapContext=NULL;
       
   235     User::LeaveIfError(graphicsDevice->CreateContext(bitmapContext));
       
   236     bitmapContext->Activate(graphicsDevice);
       
   237     CleanupStack::PushL(bitmapContext);
       
   238 	TRect rectSize;
       
   239 	rectSize.SetWidth(KVideoIconThumbnailWidth);
       
   240 	rectSize.SetHeight(KVideoIconThumbnailHeight);
       
   241 	TPoint centerPosition = rectSize.Center();
       
   242 	centerPosition.iX  = centerPosition.iX - (KIconWeight/2); 
       
   243 	centerPosition.iY  = centerPosition.iY - (KIconHeight/2);
       
   244 		
       
   245     //blit the thumbnail in to the temporary bitmap
       
   246     bitmapContext->BitBlt(TPoint(0,0),aThumbnail);
       
   247 
       
   248     //blit the overlay icon
       
   249      bitmapContext->BitBltMasked(centerPosition,iVideoStrip,TRect(TPoint(0,0), iVideoStrip->SizeInPixels()), iVideoStripMask,EFalse);
       
   250 
       
   251     //create the encoder
       
   252     delete iImageEncoder;
       
   253     iImageEncoder= NULL;
       
   254 
       
   255     iImageEncoder = CImageEncoder::FileNewL(iFs,KFilepath,KGlxMimeJpeg);
       
   256     iImageEncoder->Convert(&iStatus ,*iTempBitmap);
       
   257 
       
   258     SetActive();
       
   259 
       
   260     CleanupStack::PopAndDestroy(bitmapContext);
       
   261     CleanupStack::PopAndDestroy(graphicsDevice);   
       
   262    }
       
   263    
       
   264 //-----------------------------------------------------------------------------------------
       
   265 // void CGlxThumbnailSaver::CreateDefaultImageIconL()
       
   266 //-----------------------------------------------------------------------------------------
       
   267    void CGlxThumbnailSaver::CreateDefaultImageIconL()
       
   268    {
       
   269    	    TRACER("CGlxThumbnailSaver::CreateDefaultVideoIconL");
       
   270     //create a temporary bitmap
       
   271     CFbsBitmap* defaultBitmap=NULL;
       
   272     CFbsBitmap* defaultBitmapMask= NULL;
       
   273 
       
   274     TFileName mifFile(KDC_APP_BITMAP_DIR);
       
   275     mifFile.Append(KIconsResName);
       
   276     User::LeaveIfError(CompleteWithAppPath(mifFile)); 
       
   277 
       
   278     //creating default video icon 	 	
       
   279     AknIconUtils::CreateIconLC(defaultBitmap, defaultBitmapMask, mifFile,
       
   280     EMbmGlxiconsQgn_prop_image_notcreated, EMbmGlxiconsQgn_prop_image_notcreated_mask);
       
   281     AknIconUtils::SetSize(defaultBitmap, TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight),EAspectRatioNotPreserved);
       
   282     AknIconUtils::SetSize(defaultBitmapMask, TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight),EAspectRatioNotPreserved);
       
   283 
       
   284     //creates a temp bitmap
       
   285     delete iTempBitmap;
       
   286     iTempBitmap=NULL;
       
   287 
       
   288     iTempBitmap = new (ELeave) CFbsBitmap();
       
   289     User::LeaveIfError(iTempBitmap->Create(TSize(KVideoIconThumbnailWidth,KVideoIconThumbnailHeight), KGlxThumbnailDisplayMode));
       
   290 
       
   291     //create a graphic device
       
   292     CFbsBitmapDevice* graphicsDevice = CFbsBitmapDevice::NewL(iTempBitmap);
       
   293     CleanupStack::PushL(graphicsDevice);
       
   294 
       
   295     //bitmap context
       
   296     CFbsBitGc*  bitmapContext=NULL;
       
   297     User::LeaveIfError(graphicsDevice->CreateContext(bitmapContext));
       
   298     bitmapContext->Activate(graphicsDevice);
       
   299     CleanupStack::PushL(bitmapContext);
       
   300 
       
   301     //blit the thumbnail in to the temporary bitmap
       
   302     bitmapContext->BitBlt(TPoint(0,0),defaultBitmap);
       
   303 
       
   304     //create the encoder -jpeg       
       
   305     delete iImageEncoder;
       
   306     iImageEncoder=NULL;
       
   307 
       
   308     iImageEncoder = CImageEncoder::FileNewL(iFs,KFilepath,KGlxMimeJpeg); 
       
   309 
       
   310     if ( IsActive() )
       
   311         {
       
   312         Cancel();
       
   313         }
       
   314     iImageEncoder->Convert(&iStatus ,*iTempBitmap);
       
   315     SetActive();
       
   316     
       
   317     CleanupStack::PopAndDestroy(bitmapContext);
       
   318     CleanupStack::PopAndDestroy(graphicsDevice);
       
   319     CleanupStack::PopAndDestroy(defaultBitmapMask);
       
   320     CleanupStack::PopAndDestroy(defaultBitmap);
       
   321    }
       
   322 //-----------------------------------------------------------------------------------------
       
   323 // CActive::RunL
       
   324 //-----------------------------------------------------------------------------------------
       
   325 
       
   326 void  CGlxThumbnailSaver::RunL()
       
   327     {
       
   328     TRACER("CGlxUpnpRenderer::RunL");
       
   329 
       
   330     if (iStatus == KErrNone)		 	      
       
   331         {
       
   332         TRACER("CGlxUpnpRenderer::RunL::KErrNone");
       
   333         iObserver->HandleFileSaveCompleteL(KFilepath);
       
   334         }
       
   335     }
       
   336     
       
   337 //-----------------------------------------------------------------------------------------
       
   338 // CActive::DoCancel()
       
   339 //-----------------------------------------------------------------------------------------
       
   340 
       
   341 void  CGlxThumbnailSaver::DoCancel()
       
   342     {
       
   343     TRACER("CGlxUpnpRenderer::DoCancel");
       
   344     
       
   345     iImageEncoder->Cancel();
       
   346     }
       
   347