photosgallery/viewframework/commandhandlers/commandhandlerbase/src/glxmpxcommandcommandhandler.cpp
changeset 0 4e91876724a2
child 2 7d9067c6fcb1
equal deleted inserted replaced
-1:000000000000 0:4e91876724a2
       
     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:    Media List Command Handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include <e32base.h>
       
    22 
       
    23 #include "glxmpxcommandcommandhandler.h"
       
    24 
       
    25 #include <AknProgressDialog.h> 
       
    26 #include <bautils.h>
       
    27 #include <data_caging_path_literals.hrh>
       
    28 #include <eikprogi.h>
       
    29 #include <mpxmediageneraldefs.h>
       
    30 #include <mpxmessagegeneraldefs.h>
       
    31 #include <mpxmessageprogressdefs.h>
       
    32 #include <mpxcommandgeneraldefs.h>
       
    33 #include <StringLoader.h>
       
    34 
       
    35 #include <glxgeneraluiutilities.h>
       
    36 #include <mglxmedialist.h>
       
    37 #include <glxfetchcontextremover.h>
       
    38 #include <glxmedialistiterator.h>
       
    39 #include <glxattributecontext.h>
       
    40 #include <glxattributeretriever.h>
       
    41 #include <glxuistd.h>
       
    42 #include <glxuiutilities.rsg>
       
    43 #include <glxcommandhandlers.hrh>
       
    44 #include <glxresourceutilities.h>                // for CGlxResourceUtilities
       
    45 
       
    46 /// @todo Move elsewhere
       
    47 const TInt KGlxMaxNoteLength = 256;
       
    48 
       
    49 // -----------------------------------------------------------------------------
       
    50 // ConstructL
       
    51 // -----------------------------------------------------------------------------
       
    52 //	
       
    53 EXPORT_C CGlxMpxCommandCommandHandler::
       
    54     CGlxMpxCommandCommandHandler(MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem)
       
    55         : CGlxMediaListCommandHandler(aMediaListProvider, aHasToolbarItem)
       
    56 	{
       
    57     iAppUi = static_cast< CAknAppUi* >( CCoeEnv::Static()->AppUi() );
       
    58 	}
       
    59 	
       
    60 // -----------------------------------------------------------------------------
       
    61 // Destructor
       
    62 // -----------------------------------------------------------------------------
       
    63 //	
       
    64 EXPORT_C CGlxMpxCommandCommandHandler::~CGlxMpxCommandCommandHandler()
       
    65 	{
       
    66 	// cancel command if running
       
    67 	if (iProgressComplete)
       
    68 	    {
       
    69 //    	MediaList().Cancel();
       
    70 	    }
       
    71 	    
       
    72     delete iProgressDialog;
       
    73 
       
    74     if ( iResourceOffset )
       
    75         {
       
    76         CCoeEnv::Static()->DeleteResourceFile(iResourceOffset);
       
    77         }
       
    78 	}
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // DoExecuteL
       
    82 // -----------------------------------------------------------------------------
       
    83 //	
       
    84 EXPORT_C TBool CGlxMpxCommandCommandHandler::DoExecuteL(TInt aCommandId, 
       
    85         MGlxMediaList& aList)
       
    86     {
       
    87     // reset progress complete flag
       
    88     iProgressComplete = EFalse;
       
    89     
       
    90     // deriving class consumes command by default
       
    91     TBool consume = ETrue;
       
    92 	TInt selectionCount = aList.SelectionCount();
       
    93 	const TGlxMedia& focusedMedia = aList.Item(aList.FocusIndex());
       
    94     // show confirmation note
       
    95     consume = ConfirmationNoteL(aCommandId, aList);
       
    96 
       
    97     // Check if the selected / focused file(s)s have been deleted from
       
    98 	// another application while the confirmation note is displayed
       
    99     if (((selectionCount > 0) && (aList.SelectionCount() == 0)) ||
       
   100         ((selectionCount == 0) &&
       
   101         (focusedMedia.Id() != aList.Item(aList.FocusIndex()).Id())))
       
   102 		{
       
   103 		// All the selected / focused item(s) have been deleted,
       
   104 		// do not allow the command to execute.
       
   105 		consume = EFalse;
       
   106 		}
       
   107 
       
   108     if ( consume )
       
   109         {
       
   110         // get a command object from the deriving class.
       
   111         // Allow deriving class modify the consume value, even without 
       
   112         // creating a commmand (in case it wants to filter out a command)
       
   113         CMPXCommand* command = CreateCommandL(aCommandId, aList, consume);
       
   114         
       
   115         if (command)
       
   116             {
       
   117             CleanupStack::PushL(command);
       
   118             
       
   119             if ( CommandInfo(aCommandId).iStopAnimationForExecution )
       
   120                 {
       
   121                 // Stop GIF animation
       
   122                 iAppUi->ProcessCommandL(EGlxCmdDisableAnimations);
       
   123                 iAnimationStopped = ETrue;
       
   124                 }
       
   125             
       
   126             // Add the pointer of this command handler as session id into the message
       
   127             // This can be used to ensure that this object is the intended recipient
       
   128             // of a message
       
   129             command->SetTObjectValueL<TAny*>(KMPXCommandGeneralSessionId,
       
   130             		static_cast<TAny*>(this));
       
   131 
       
   132        		aList.AddMediaListObserverL(this);
       
   133 
       
   134             // @todo TRAP this?
       
   135             aList.CommandL(*command);
       
   136             
       
   137             // raise progress note. Note will be closed when complete message received
       
   138             ProgressNoteL(aCommandId);
       
   139             
       
   140             CleanupStack::PopAndDestroy(command);
       
   141             }
       
   142         }
       
   143     
       
   144     return consume;
       
   145     }
       
   146 
       
   147 // -----------------------------------------------------------------------------
       
   148 // TryExitL
       
   149 // -----------------------------------------------------------------------------
       
   150 //	
       
   151 EXPORT_C void CGlxMpxCommandCommandHandler::TryExitL(TInt aErrorCode)
       
   152 	{
       
   153 	// any error will abort the command execution
       
   154     if ( KErrNone != aErrorCode ) 
       
   155 	    {
       
   156 	    // error received. Close progress note
       
   157 		DismissProgressNoteL();
       
   158 		
       
   159 	    // Remove medialist observer
       
   160 	    RemoveMediaListObserver();
       
   161 		
       
   162 		// handle error
       
   163 		HandleErrorL(aErrorCode);
       
   164 	    }
       
   165 	else if (iProgressComplete)
       
   166         {
       
   167     	// ask deriving class if it is ready to exit (i.e., to close progress note). 
       
   168     	// (It may be waiting for another message, etc.)
       
   169     	if (OkToExit()) 
       
   170     	    {
       
   171     	    // close progress note
       
   172     		DismissProgressNoteL();
       
   173     		
       
   174     	    // Remove medialist observer
       
   175     	    RemoveMediaListObserver();
       
   176     	    
       
   177     		// show completion note
       
   178     		CompletionNoteL();
       
   179     	    }
       
   180         }
       
   181 	}	
       
   182 
       
   183 
       
   184 // -----------------------------------------------------------------------------
       
   185 // Default implementation shows an error note
       
   186 // -----------------------------------------------------------------------------
       
   187 //	
       
   188 EXPORT_C void CGlxMpxCommandCommandHandler::HandleErrorL(TInt aErrorCode) 
       
   189     {
       
   190 	// show error note
       
   191 	GlxGeneralUiUtilities::ShowErrorNoteL(aErrorCode);
       
   192     }
       
   193 
       
   194 // -----------------------------------------------------------------------------
       
   195 // Update progress 
       
   196 // -----------------------------------------------------------------------------
       
   197 //	
       
   198 TBool CGlxMpxCommandCommandHandler::UpdateProgressL(const CMPXMessage& aMessage,
       
   199         TInt& aError)
       
   200     {
       
   201     TBool isComplete = EFalse;
       
   202     
       
   203     // should not receive any progress messages after progress is completed
       
   204     __ASSERT_DEBUG(!iProgressComplete, Panic(EGlxPanicIllegalState));
       
   205     
       
   206     ///    @todo remove progress update error handling
       
   207     TMPXAttribute currentCountAttr(KMPXMessageContentIdProgress, EMPXMessageProgressCurrentCount);
       
   208     TMPXAttribute totalCountAttr(KMPXMessageContentIdProgress, EMPXMessageProgressTotalCount);
       
   209     if ( ( KErrNone == aError ) && (aMessage.IsSupported(currentCountAttr))
       
   210     	&& (aMessage.IsSupported(totalCountAttr) ) )
       
   211         {
       
   212         // get current and total count from the message
       
   213 	    TInt currentValue = aMessage.ValueTObjectL<TInt>(currentCountAttr);	
       
   214 	    TInt total= aMessage.ValueTObjectL<TInt>(totalCountAttr);	
       
   215 
       
   216         // update progress bar if not complete yet, otherwise remember completion
       
   217 		if ( currentValue < total )
       
   218 			{
       
   219 			// Progress info construction may have failed, but command was issued before
       
   220 			if (iProgressInfo)
       
   221 			    {
       
   222     			iProgressInfo->SetFinalValue(total);
       
   223     			iProgressInfo->SetAndDraw(currentValue);
       
   224 			    }
       
   225             }
       
   226 		else
       
   227 			{
       
   228 			isComplete = ETrue;
       
   229 
       
   230             if ( iAnimationStopped )
       
   231                 {
       
   232                 // Restart animation
       
   233                 iAppUi->ProcessCommandL(EGlxCmdEnableAnimations);
       
   234                 iAnimationStopped = EFalse;
       
   235                 }
       
   236 			}
       
   237 		}
       
   238 	
       
   239 	return isComplete;    
       
   240     }
       
   241 
       
   242 // -----------------------------------------------------------------------------
       
   243 // Default implementation of advanced command handling does nothing
       
   244 // -----------------------------------------------------------------------------
       
   245 //	
       
   246 EXPORT_C void CGlxMpxCommandCommandHandler::DoHandleCommandCompleteL(TAny* /*aSessionId*/, 
       
   247         CMPXCommand* /*aCommandResult*/, TInt /*aError*/, MGlxMediaList* /*aList*/)
       
   248     {
       
   249     }
       
   250 
       
   251 
       
   252 // -----------------------------------------------------------------------------
       
   253 // Default implementation of advanced message handling does nothing
       
   254 // -----------------------------------------------------------------------------
       
   255 //	
       
   256 EXPORT_C TInt CGlxMpxCommandCommandHandler::DoHandleMessageL(const CMPXMessage& /*aMessage*/,
       
   257 	    MGlxMediaList& /*aList*/)
       
   258     {
       
   259     return KErrNone;
       
   260     }
       
   261 
       
   262 // -----------------------------------------------------------------------------
       
   263 // Default implementation DoHandleItemAddedL does not do anything
       
   264 // -----------------------------------------------------------------------------
       
   265 //	
       
   266 EXPORT_C void CGlxMpxCommandCommandHandler::DoHandleItemAddedL(TInt /*aStartIndex*/, 
       
   267 		TInt /*aEndIndex*/, MGlxMediaList* /*aList*/)
       
   268 	{
       
   269 	}
       
   270 
       
   271 // -----------------------------------------------------------------------------
       
   272 // Default implementation is always ready to exit
       
   273 // -----------------------------------------------------------------------------
       
   274 //	
       
   275 EXPORT_C TBool CGlxMpxCommandCommandHandler::OkToExit() const
       
   276     {
       
   277     return ETrue;
       
   278     }
       
   279 
       
   280 // -----------------------------------------------------------------------------
       
   281 // Show confirmation note
       
   282 // -----------------------------------------------------------------------------
       
   283 //	
       
   284 EXPORT_C TBool CGlxMpxCommandCommandHandler::ConfirmationNoteL(TInt aCommandId,
       
   285         MGlxMediaList& aMediaList) const
       
   286 	{
       
   287 	TInt selectionCount = aMediaList.SelectionCount();
       
   288 
       
   289     // If media list is not empty, treat focused item as selected
       
   290     // At this point can assume that the command was disabled 
       
   291     // if static items were not supported	
       
   292 	if ( selectionCount == 0 && aMediaList.Count() > 0 )
       
   293 		{
       
   294 		selectionCount = 1;
       
   295 		}
       
   296 	
       
   297     // Show confirmation note
       
   298 	TBool confirmed = EFalse;
       
   299 	if ( selectionCount == 1 )
       
   300 	    {
       
   301 		confirmed = ConfirmationNoteSingleL(aCommandId, aMediaList);
       
   302 	    }
       
   303 	else
       
   304 	    {
       
   305 		confirmed = ConfirmationNoteMultipleL(aCommandId, aMediaList);
       
   306 	    }
       
   307 		
       
   308 	return confirmed;
       
   309 	}
       
   310 
       
   311 // -----------------------------------------------------------------------------
       
   312 // So confirmation note if a single item is selected
       
   313 // -----------------------------------------------------------------------------
       
   314 //	
       
   315 EXPORT_C TBool CGlxMpxCommandCommandHandler::ConfirmationNoteSingleL(TInt aCommandId, 
       
   316         MGlxMediaList& aMediaList) const
       
   317     {
       
   318     // if no confirmation note shown, assume command is confirmed
       
   319     TBool confirmed = ETrue;
       
   320 
       
   321     // get confirmation note text for single selection
       
   322     HBufC* noteText = ConfirmationTextL(aCommandId, EFalse); // EFalse for single selection
       
   323     if ( noteText )
       
   324     {
       
   325         CleanupStack::PushL(noteText);
       
   326     
       
   327         // Retrieve title string for selected item from the collection plugin
       
   328             
       
   329         // create fetch context
       
   330         TGlxSelectionIterator iterator;
       
   331         iterator.SetRange(1);
       
   332         CGlxAttributeContext* attributeContext = new(ELeave) CGlxAttributeContext(&iterator);
       
   333         CleanupStack::PushL(attributeContext);
       
   334         attributeContext->AddAttributeL(KMPXMediaGeneralTitle);
       
   335                         
       
   336         // add context to media list
       
   337         aMediaList.AddContextL(attributeContext, KGlxFetchContextPriorityLow);
       
   338             
       
   339         // TGlxContextRemover will remove the context when it goes out of scope
       
   340         // Used here to avoid a trap and still have safe cleanup
       
   341         TGlxFetchContextRemover contextRemover(attributeContext, aMediaList);
       
   342         // put to cleanupstack as cleanupstack is emptied before stack objects
       
   343         // are deleted
       
   344         CleanupClosePushL( contextRemover);
       
   345         // retrieve title attribute
       
   346         TInt err = GlxAttributeRetriever::RetrieveL(*attributeContext, aMediaList, EFalse);
       
   347         // context off the list
       
   348         CleanupStack::PopAndDestroy( &contextRemover );
       
   349     
       
   350         if ( err == KErrNone )
       
   351             {
       
   352             // use iterator to get the index of the right item 
       
   353             iterator.SetToFirst(&aMediaList);
       
   354             const CGlxMedia* media = aMediaList.Item(iterator++).Properties();
       
   355         
       
   356             // noteText has a place for a title string in it
       
   357             const TDesC& itemName = media->ValueText(KMPXMediaGeneralTitle);
       
   358     
       
   359             TBuf<KGlxMaxNoteLength> text;
       
   360             StringLoader::Format(text, *noteText, -1, itemName);
       
   361     
       
   362             // show popup
       
   363             confirmed = GlxGeneralUiUtilities::ConfirmQueryL(R_GLX_QUERY_YES_NO, text);
       
   364             }
       
   365             // (else) If error, assume confirmed anyway
       
   366             	
       
   367             CleanupStack::PopAndDestroy(attributeContext);
       
   368             CleanupStack::PopAndDestroy(noteText);
       
   369      }
       
   370 	 return confirmed;
       
   371 	 }
       
   372 	
       
   373 // -----------------------------------------------------------------------------
       
   374 // Confirmation note if multiple items are selected
       
   375 // -----------------------------------------------------------------------------
       
   376 //	
       
   377 EXPORT_C TBool CGlxMpxCommandCommandHandler::ConfirmationNoteMultipleL(TInt aCommandId, 
       
   378         MGlxMediaList& aMediaList) const
       
   379 	{
       
   380 	// if no confirmation note shown, assume command is confirmed
       
   381 	TBool confirmed = ETrue;
       
   382 
       
   383 	// get confirmation note text for multiselection
       
   384 	HBufC* noteText = ConfirmationTextL(aCommandId, ETrue); // ETrue for Multiselection
       
   385 	if ( noteText )
       
   386 		{
       
   387 		CleanupStack::PushL(noteText);
       
   388 
       
   389         // string has a place for number in it, and that number should be populated with selected
       
   390         // item count
       
   391 		TInt count = aMediaList.SelectionCount();
       
   392 
       
   393         TBuf<KGlxMaxNoteLength> text;
       
   394 		GlxGeneralUiUtilities::FormatString(text, *noteText, -1, count, ETrue);
       
   395 		
       
   396         // show popup
       
   397 		confirmed = GlxGeneralUiUtilities::ConfirmQueryL(R_GLX_QUERY_YES_NO, text);
       
   398 
       
   399         CleanupStack::PopAndDestroy(noteText);
       
   400 		}
       
   401 	return confirmed;
       
   402 	}
       
   403 
       
   404 // -----------------------------------------------------------------------------
       
   405 // Default implementation returns null, and no confirmation note will be shown
       
   406 // -----------------------------------------------------------------------------
       
   407 //	
       
   408 EXPORT_C HBufC* CGlxMpxCommandCommandHandler::ConfirmationTextL(TInt /*aCommandId*/, 
       
   409         TBool /*aMultiSelection*/) const
       
   410     {
       
   411     return NULL;
       
   412     }       
       
   413 
       
   414 // -----------------------------------------------------------------------------
       
   415 // Return default progress string
       
   416 // -----------------------------------------------------------------------------
       
   417 //	
       
   418 EXPORT_C HBufC* CGlxMpxCommandCommandHandler::ProgressTextL(TInt /*aCommandId*/) const
       
   419     {
       
   420     // Lazy construction for resource file
       
   421     if (iResourceOffset == 0)
       
   422         {
       
   423         // Load resource file
       
   424     	TParse parse;
       
   425         parse.Set(KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL);
       
   426         TFileName resourceFile;
       
   427         resourceFile.Append(parse.FullName());
       
   428         CGlxResourceUtilities::GetResourceFilenameL(resourceFile);  
       
   429 
       
   430         // Store resource offset as member variable, so don't have to trap the
       
   431         // leaving calls here
       
   432        	iResourceOffset = CCoeEnv::Static()->AddResourceFileL(resourceFile);
       
   433         }
       
   434 
       
   435     // get progress note string
       
   436     return StringLoader::LoadL( R_GLX_PROGRESS_GENERAL );
       
   437     }
       
   438 
       
   439 // -----------------------------------------------------------------------------
       
   440 // Default implementation returns null, and no completion note will be shown
       
   441 // -----------------------------------------------------------------------------
       
   442 //	
       
   443 EXPORT_C HBufC* CGlxMpxCommandCommandHandler::CompletionTextL() const
       
   444     {
       
   445     return NULL;
       
   446     }
       
   447 
       
   448 // -----------------------------------------------------------------------------
       
   449 // ProgressNoteL
       
   450 // -----------------------------------------------------------------------------
       
   451 //	
       
   452 void CGlxMpxCommandCommandHandler::ProgressNoteL(TInt aCommandId)
       
   453 	{
       
   454 	//MGlxMediaList& mediaList = MediaList();
       
   455 
       
   456     // get progress note 
       
   457     HBufC* progressText = ProgressTextL(aCommandId);
       
   458     __ASSERT_DEBUG(progressText, Panic(EGlxPanicNullDescriptor));
       
   459 	CleanupStack::PushL(progressText);
       
   460     // construct progress dialog
       
   461 	iProgressDialog = new(ELeave)CAknProgressDialog(
       
   462 			(REINTERPRET_CAST(CEikDialog**,&iProgressDialog)));
       
   463 	iProgressDialog->PrepareLC(R_GLX_PROGRESS_NOTE); 
       
   464 	iProgressDialog->SetTextL(*progressText);
       
   465 	iProgressDialog->SetCallback(this);
       
   466 	
       
   467     // pick up progress info so that progress notification can be later updated
       
   468 	iProgressInfo = iProgressDialog->GetProgressInfoL();
       
   469 	
       
   470     // launch the note
       
   471 	iProgressDialog->RunLD();
       
   472 	CleanupStack::PopAndDestroy(progressText); 
       
   473 	}
       
   474 
       
   475 // -----------------------------------------------------------------------------
       
   476 // DismissProgressNoteL
       
   477 // -----------------------------------------------------------------------------
       
   478 //	
       
   479 void CGlxMpxCommandCommandHandler::DismissProgressNoteL()
       
   480 	{
       
   481     // Close the progress note, if displayed
       
   482     if (iProgressDialog) 
       
   483         {
       
   484     	iProgressDialog->ProcessFinishedL();
       
   485     	iProgressDialog = NULL;
       
   486     	iProgressInfo = NULL;
       
   487         }
       
   488 	}
       
   489 
       
   490 // -----------------------------------------------------------------------------
       
   491 // Remove MediaList Observer
       
   492 // -----------------------------------------------------------------------------
       
   493 //
       
   494 void CGlxMpxCommandCommandHandler::RemoveMediaListObserver()
       
   495 	{
       
   496 	MGlxMediaList& mediaList = MediaList();
       
   497 	mediaList.RemoveMediaListObserver(this);
       
   498 	}
       
   499 
       
   500 // -----------------------------------------------------------------------------
       
   501 // Show a completion note
       
   502 // -----------------------------------------------------------------------------
       
   503 //	
       
   504 void CGlxMpxCommandCommandHandler::CompletionNoteL() const
       
   505 	{
       
   506 	// Get completion note text 
       
   507 	HBufC* noteText = CompletionTextL(); 
       
   508 	if ( noteText )
       
   509 	    {
       
   510 		CleanupStack::PushL(noteText);
       
   511 		GlxGeneralUiUtilities::ShowConfirmationNoteL(*noteText, ETrue);
       
   512         CleanupStack::PopAndDestroy(noteText);
       
   513 		}
       
   514 	}
       
   515 
       
   516 // -----------------------------------------------------------------------------
       
   517 // HandleItemAddedL
       
   518 // -----------------------------------------------------------------------------
       
   519 //  
       
   520 EXPORT_C void CGlxMpxCommandCommandHandler::HandleItemAddedL(TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/)
       
   521     {
       
   522     // Do nothing
       
   523     }
       
   524 
       
   525 // -----------------------------------------------------------------------------
       
   526 // HandleMediaL
       
   527 // -----------------------------------------------------------------------------
       
   528 //	
       
   529 EXPORT_C void CGlxMpxCommandCommandHandler::HandleMediaL(TInt /*aListIndex*/, MGlxMediaList* /*aList*/)
       
   530 	{
       
   531 	// Do nothing
       
   532 	}
       
   533 	
       
   534 // -----------------------------------------------------------------------------
       
   535 // HandleItemRemovedL
       
   536 // -----------------------------------------------------------------------------
       
   537 //	
       
   538 EXPORT_C void CGlxMpxCommandCommandHandler::HandleItemRemovedL(TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/)
       
   539 	{
       
   540 	// Do nothing
       
   541 	}
       
   542 	
       
   543 // -----------------------------------------------------------------------------
       
   544 // HandleItemModifiedL
       
   545 // -----------------------------------------------------------------------------
       
   546 //	
       
   547 EXPORT_C void CGlxMpxCommandCommandHandler::HandleItemModifiedL(const RArray<TInt>& /*aItemIndexes*/, 
       
   548         MGlxMediaList* /*aList*/)
       
   549 	{
       
   550 	// Do nothing
       
   551 	}	
       
   552 
       
   553 // -----------------------------------------------------------------------------
       
   554 // HandleAttributesAvailableL
       
   555 // -----------------------------------------------------------------------------
       
   556 //	
       
   557 EXPORT_C void CGlxMpxCommandCommandHandler::HandleAttributesAvailableL(TInt /*aItemIndex*/, 	
       
   558 	const RArray<TMPXAttribute>& /*aAttributes*/, MGlxMediaList* /*aList*/)
       
   559 	{
       
   560 	// Do nothing
       
   561 	}
       
   562 		
       
   563 // -----------------------------------------------------------------------------
       
   564 // HandleFocusChangedL
       
   565 // -----------------------------------------------------------------------------
       
   566 //	
       
   567 EXPORT_C void CGlxMpxCommandCommandHandler::HandleFocusChangedL(NGlxListDefs::TFocusChangeType /*aType*/, 
       
   568         TInt /*aNewIndex*/, TInt /*aOldIndex*/, MGlxMediaList* /*aList*/) 
       
   569 	{
       
   570 	// Do nothing
       
   571 	}
       
   572 	
       
   573 // -----------------------------------------------------------------------------
       
   574 // HandleItemSelectedL
       
   575 // -----------------------------------------------------------------------------
       
   576 //	
       
   577 EXPORT_C void CGlxMpxCommandCommandHandler::HandleItemSelectedL(TInt /*aIndex*/, 
       
   578         TBool /*aSelected*/, MGlxMediaList* /*aList*/)
       
   579 	{
       
   580 	// Do nothing
       
   581 	}
       
   582 
       
   583 // -----------------------------------------------------------------------------
       
   584 // HandleMessageL
       
   585 // -----------------------------------------------------------------------------
       
   586 //	
       
   587 EXPORT_C void CGlxMpxCommandCommandHandler::HandleMessageL(const CMPXMessage& aMessage, 
       
   588         MGlxMediaList* aList)
       
   589 	{
       
   590     if ((aMessage.IsSupported(KMPXMessageGeneralId) &&
       
   591     	(aMessage.IsSupported(KMPXCommandGeneralSessionId))))
       
   592         {
       
   593         TInt msgId = aMessage.ValueTObjectL<TInt>(KMPXMessageGeneralId);
       
   594         TAny* sessionId = aMessage.ValueTObjectL<TAny*>(KMPXCommandGeneralSessionId);
       
   595 
       
   596         TInt error = KErrNone; 
       
   597         // Check if this is a progress message and intended for this object
       
   598         if ( KMPXMessageContentIdProgress == msgId && static_cast<TAny*>(this) == sessionId )
       
   599             {
       
   600             // Update progress note
       
   601             iProgressComplete = UpdateProgressL(aMessage, error);
       
   602     		}
       
   603     	else 
       
   604     	    {
       
   605     	    // This is not a progress message - let deriving class handle
       
   606     	    error = DoHandleMessageL(aMessage, *aList);
       
   607     	    }
       
   608     	    
       
   609     	// Check if ready to exit, i.e., to close progress note, and allow user
       
   610     	// to select another menu option
       
   611         TryExitL(error);
       
   612         }
       
   613 	}
       
   614 
       
   615 // -----------------------------------------------------------------------------
       
   616 // HandleMessageL
       
   617 // -----------------------------------------------------------------------------
       
   618 //	
       
   619 EXPORT_C void CGlxMpxCommandCommandHandler::HandleCommandCompleteL(TAny* aSessionId,
       
   620 	CMPXCommand* aCommandResult, TInt aError, MGlxMediaList* aList)
       
   621     {
       
   622     // Unmark all medialist items. Exit Multiple marking mode upon command completion
       
   623     iAppUi->ProcessCommandL(EGlxCmdEndMultipleMarking);
       
   624 
       
   625     ///@todo Enforce a single command request at a time on the media list.
       
   626     DoHandleCommandCompleteL(aSessionId, aCommandResult, aError, aList);
       
   627     iProgressComplete = ETrue;
       
   628     TryExitL(aError);
       
   629     }
       
   630 
       
   631 // -----------------------------------------------------------------------------
       
   632 // DialogDismissedL
       
   633 // -----------------------------------------------------------------------------
       
   634 //  
       
   635 EXPORT_C void CGlxMpxCommandCommandHandler::DialogDismissedL(TInt /*aButtonId*/)
       
   636 	{
       
   637 	if (!iProgressComplete)
       
   638 		{
       
   639 		// Remove as media list observer
       
   640 		MGlxMediaList& mediaList = MediaList();
       
   641 		mediaList.CancelCommand();
       
   642 		mediaList.RemoveMediaListObserver(this);
       
   643 		}
       
   644 	}
       
   645 
       
   646 //-----------------------------------------------------------------------------
       
   647 // DoActivateL
       
   648 //-----------------------------------------------------------------------------
       
   649 //
       
   650 EXPORT_C void CGlxMpxCommandCommandHandler::DoActivateL(TInt /*aViewId*/)
       
   651 	{
       
   652 	// Do nothing	
       
   653 	}
       
   654 	
       
   655 // -----------------------------------------------------------------------------
       
   656 // Deactivate - Deactivate this command handler
       
   657 // -----------------------------------------------------------------------------
       
   658 //
       
   659 EXPORT_C void CGlxMpxCommandCommandHandler::Deactivate()
       
   660     {
       
   661     // Close the progress note, if displayed
       
   662 	if (iProgressDialog)
       
   663         {
       
   664         TRAP_IGNORE(DismissProgressNoteL());
       
   665         }
       
   666     }