photosgallery/viewframework/commandhandlers/commoncommandhandlers/src/glxcommandhandleraddtocontainer.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:    Add to container command handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 /**
       
    22  * @internal reviewed 05/06/2007 by Dave Schofield
       
    23  */
       
    24 
       
    25 #include "glxcommandhandleraddtocontainer.h"
       
    26 
       
    27 #include <AknUtils.h>
       
    28 #include <bautils.h>
       
    29 #include <data_caging_path_literals.hrh>
       
    30 #include <eikmenup.h> 
       
    31 #include <glxcollectionpluginalbums.hrh>
       
    32 #include <glxcollectionplugintags.hrh>
       
    33 #include <glxcommandfactory.h>
       
    34 #include <glxcommandhandlers.hrh>
       
    35 #include <glxfilterfactory.h>
       
    36 #include <glxuiutility.h>
       
    37 #include <glxuistd.h>
       
    38 #include <glxresourceutilities.h>                // for CGlxResourceUtilities
       
    39 #include <glxuiutilities.rsg>
       
    40 #include <mglxmedialist.h>
       
    41 
       
    42 #include <mpxcollectioncommanddefs.h>
       
    43 #include <mpxcollectionpath.h>
       
    44 #include <mpxcommandgeneraldefs.h>
       
    45 #include <mpxmediaarray.h>
       
    46 #include <mpxmediacontainerdefs.h>
       
    47 #include <StringLoader.h>
       
    48 
       
    49 #include "glxmediaselectionpopup.h"
       
    50 #include <glxicons.mbg>
       
    51 
       
    52 TInt CGlxCommandHandlerAddToContainer::iSelectionCount = 0;
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // Return add to album command handler
       
    56 // ---------------------------------------------------------------------------
       
    57 //
       
    58 EXPORT_C CGlxCommandHandlerAddToContainer* 
       
    59     CGlxCommandHandlerAddToContainer::NewAddToAlbumCommandHandlerL(
       
    60         MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem) 
       
    61     {
       
    62     return CGlxCommandHandlerAddToContainer::NewL (aMediaListProvider, 
       
    63                                                 EGlxCmdAddToAlbum, aHasToolbarItem);
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // Return add (to) tags command handler
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 EXPORT_C CGlxCommandHandlerAddToContainer* 
       
    71     CGlxCommandHandlerAddToContainer::NewAddToTagCommandHandlerL(
       
    72         MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem) 
       
    73     {
       
    74     return CGlxCommandHandlerAddToContainer::NewL(aMediaListProvider, 
       
    75                                                 EGlxCmdAddTag, aHasToolbarItem);
       
    76     }
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // Return add (to) Favourites command handler
       
    80 // ---------------------------------------------------------------------------
       
    81 //
       
    82 EXPORT_C CGlxCommandHandlerAddToContainer* 
       
    83     CGlxCommandHandlerAddToContainer::NewAddToFavCommandHandlerL(
       
    84         MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem) 
       
    85     {
       
    86     return CGlxCommandHandlerAddToContainer::NewL(aMediaListProvider, 
       
    87                                     EGlxCmdAddToFavourites, aHasToolbarItem);
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------------------------
       
    91 // Two-phased constructor.
       
    92 // ---------------------------------------------------------------------------
       
    93 //
       
    94 EXPORT_C CGlxCommandHandlerAddToContainer* CGlxCommandHandlerAddToContainer::NewL(
       
    95         MGlxMediaListProvider* aMediaListProvider, TInt aCommandId, TBool aHasToolbarItem)
       
    96     {
       
    97     CGlxCommandHandlerAddToContainer* self = 
       
    98         new ( ELeave ) CGlxCommandHandlerAddToContainer( aMediaListProvider, aHasToolbarItem );
       
    99     CleanupStack::PushL( self );
       
   100     self->ConstructL( aCommandId );
       
   101     CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104     
       
   105 // ---------------------------------------------------------------------------
       
   106 // Constructor
       
   107 // ---------------------------------------------------------------------------
       
   108 //
       
   109 CGlxCommandHandlerAddToContainer::CGlxCommandHandlerAddToContainer(
       
   110     MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem)
       
   111         : CGlxMpxCommandCommandHandler( aMediaListProvider, aHasToolbarItem )
       
   112     {
       
   113     // Do nothing
       
   114     }
       
   115 
       
   116 // ---------------------------------------------------------------------------
       
   117 // Symbian 2nd phase constructor can leave.
       
   118 // ---------------------------------------------------------------------------
       
   119 //
       
   120 void CGlxCommandHandlerAddToContainer::ConstructL(TInt aCommandId)
       
   121     {
       
   122     // Load resource
       
   123 	TParse parse;
       
   124     parse.Set(KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL);
       
   125     TFileName resourceFile;
       
   126     resourceFile.Append(parse.FullName());
       
   127     CGlxResourceUtilities::GetResourceFilenameL(resourceFile);  
       
   128    	iResourceOffset = CCoeEnv::Static()->AddResourceFileL(resourceFile);
       
   129 	// Reset the Flag inorder to allow for a new selection pop-up to be created.
       
   130    	iIsProcessOngoing = EFalse;
       
   131    	// Add supported command
       
   132    	TCommandInfo info(aCommandId);
       
   133    	
       
   134     // Filter out static items - user must have selected at least one item to
       
   135     // enable the command handler    
       
   136     const TInt KGlxCommandHandlerMinSelectionAllowSingle = 1;
       
   137     info.iMinSelectionLength = KGlxCommandHandlerMinSelectionAllowSingle;
       
   138     
       
   139    	AddCommandL(info);
       
   140    	iCommandId = aCommandId;
       
   141 	}
       
   142 
       
   143 // ---------------------------------------------------------------------------
       
   144 // Destructor
       
   145 // ---------------------------------------------------------------------------
       
   146 //
       
   147 EXPORT_C CGlxCommandHandlerAddToContainer::~CGlxCommandHandlerAddToContainer()
       
   148     {
       
   149     if ( iResourceOffset )
       
   150         {
       
   151         CCoeEnv::Static()->DeleteResourceFile(iResourceOffset);
       
   152         }
       
   153 	// Reset the Flag inorder to allow for a new selection pop-up to be created.
       
   154     iIsProcessOngoing = EFalse;
       
   155     }
       
   156 
       
   157 // ---------------------------------------------------------------------------
       
   158 // Create an add to container command
       
   159 // ---------------------------------------------------------------------------
       
   160 //
       
   161 CMPXCommand* CGlxCommandHandlerAddToContainer::CreateCommandL(TInt aCommandId, 
       
   162         MGlxMediaList& aMediaList, TBool& /*aConsume*/) const
       
   163     {
       
   164 	// Ignore the current command in case the previous command has still not been completed
       
   165 	if(iIsProcessOngoing)
       
   166 	    {
       
   167 	    return NULL;
       
   168 	    }
       
   169     iSelectionCount = 0;
       
   170 	// Set the Flag inorder to block any new subsequent selection pop-ups from getting created.
       
   171 	iIsProcessOngoing = ETrue;
       
   172     CMPXCollectionPath* targetCollection = CMPXCollectionPath::NewL();
       
   173     CleanupStack::PushL(targetCollection);
       
   174     TBool enableMultipleSelection = EFalse;
       
   175     TBool enablePopup = EFalse;
       
   176     CMPXFilter* filter = NULL;
       
   177     switch(aCommandId)
       
   178         {
       
   179         case EGlxCmdAddToFavourites:
       
   180             {
       
   181             targetCollection->AppendL(KGlxCollectionPluginAlbumsImplementationUid);
       
   182             // The target collection has also to be appeneded with the the relation id.
       
   183             // appending another level into the albums to get favourites and 1 is the relation id of albums
       
   184             targetCollection->AppendL( TMPXItemId(1) );
       
   185             targetCollection->Set( 0 );
       
   186             break;
       
   187             }
       
   188         case EGlxCmdAddToAlbum:
       
   189             {
       
   190             enablePopup = ETrue;
       
   191             targetCollection->AppendL(KGlxCollectionPluginAlbumsImplementationUid);
       
   192 	        filter = TGlxFilterFactory::CreateCameraAlbumExclusionFilterL();
       
   193 	        CleanupStack::PushL(filter);
       
   194             break;
       
   195             }
       
   196         case EGlxCmdAddTag:
       
   197             {
       
   198             enableMultipleSelection = ETrue;
       
   199             enablePopup = ETrue;
       
   200             targetCollection->AppendL(KGlxTagCollectionPluginImplementationUid);
       
   201             filter = TGlxFilterFactory::CreateIncludeEmptyContainersFilterL();
       
   202             CleanupStack::PushL(filter);
       
   203             break;
       
   204             }
       
   205         }
       
   206                
       
   207     CMPXCollectionPath* sourceItems = aMediaList.PathLC( NGlxListDefs::EPathFocusOrSelection );
       
   208     CMPXCommand* command = NULL;
       
   209     if (enablePopup )
       
   210         {
       
   211         CGlxMediaSelectionPopup* popup = new (ELeave) CGlxMediaSelectionPopup;
       
   212         
       
   213         TBool accepted = EFalse;
       
   214         CMPXCollectionPath* targetContainers = 
       
   215             popup->ExecuteLD(*targetCollection, accepted, enableMultipleSelection, ETrue, filter);
       
   216 
       
   217         if (accepted)
       
   218             {        
       
   219             // Set the container selection count to give correct completion text
       
   220             TArray<TInt> selection = targetContainers->Selection();
       
   221             iSelectionCount = selection.Count();
       
   222             
       
   223             CleanupStack::PushL(targetContainers);
       
   224             command = TGlxCommandFactory::AddToContainerCommandLC(
       
   225                 *sourceItems, *targetContainers);
       
   226             CleanupStack::Pop(command); 
       
   227             CleanupStack::PopAndDestroy(targetContainers);
       
   228             }
       
   229         else
       
   230 	    	{
       
   231     		// Reset the Flag inorder to allow any new selection pop-up to be created.
       
   232 	    	iIsProcessOngoing = EFalse;
       
   233 	    	}
       
   234         }
       
   235     else
       
   236         {
       
   237         command = TGlxCommandFactory::AddToContainerCommandLC(
       
   238             *sourceItems, *targetCollection);
       
   239         CleanupStack::Pop(command); 
       
   240         }
       
   241     CleanupStack::PopAndDestroy(sourceItems);
       
   242     if (filter)
       
   243         {
       
   244         CleanupStack::PopAndDestroy(filter);
       
   245         }
       
   246     CleanupStack::PopAndDestroy(targetCollection);
       
   247 	return command;
       
   248     } 
       
   249 
       
   250 // -----------------------------------------------------------------------------
       
   251 // CGlxCommandHandlerAddToContainer::CompletionTextL
       
   252 // -----------------------------------------------------------------------------
       
   253 //	
       
   254 HBufC* CGlxCommandHandlerAddToContainer::CompletionTextL() const
       
   255     {
       
   256     if (iCommandId == EGlxCmdAddToAlbum)
       
   257     	{
       
   258    		if (iSelectionCount > 1)
       
   259    			{
       
   260 	   		return StringLoader::LoadL(R_GLX_COMPLETION_ADD_TO_CONTAINER_MULTI_ITEM_ALBUM);
       
   261    			}
       
   262    		return StringLoader::LoadL(R_GLX_COMPLETION_ADD_TO_CONTAINER_ONE_ITEM_ALBUM);
       
   263     	}
       
   264    	else if (iCommandId == EGlxCmdAddTag)
       
   265    		{
       
   266    		if (iSelectionCount > 1)
       
   267    			{
       
   268 	   		return StringLoader::LoadL(R_GLX_COMPLETION_ADD_TO_CONTAINER_MULTI_ITEM_TAG);
       
   269    			}
       
   270 		return StringLoader::LoadL(R_GLX_COMPLETION_ADD_TO_CONTAINER_ONE_ITEM_TAG);	
       
   271    		}
       
   272     else // considered as favourites 
       
   273         {
       
   274         return StringLoader::LoadL(R_GLX_COMPLETION_ADD_TO_FAVOURITES);
       
   275         }
       
   276     }
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 // CGlxCommandHandlerAddToContainer::DoHandleCommandCompleteL
       
   280 // -----------------------------------------------------------------------------
       
   281 //
       
   282 void CGlxCommandHandlerAddToContainer::DoHandleCommandCompleteL(TAny* /*aSessionId*/,
       
   283         CMPXCommand* /*aCommandResult*/, TInt /*aError*/, MGlxMediaList* /*aList*/)
       
   284       {
       
   285 	  // Reset the Flag inorder to allow any new selection pop-up to be created.
       
   286       iIsProcessOngoing = EFalse;
       
   287       }
       
   288     
       
   289 // ---------------------------------------------------------------------------
       
   290 // CGlxCommandHandlerAddToContainer::DoActivateL
       
   291 // ---------------------------------------------------------------------------
       
   292 //
       
   293 void CGlxCommandHandlerAddToContainer::DoActivateL(TInt /*aViewId*/)
       
   294 	{
       
   295 
       
   296  	}
       
   297 
       
   298 void CGlxCommandHandlerAddToContainer::PopulateToolbarL()
       
   299 	{
       
   300 
       
   301 	}