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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Rename command handler
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*
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*/
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#include "glxcommandhandlerrename.h"
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#include <bautils.h>
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#include <data_caging_path_literals.hrh>
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#include <StringLoader.h>
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#include <glxuiutilities.rsg>
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#include <mglxmedialist.h>
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#include <glxuistd.h>
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#include <glxcommandhandlers.hrh>
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#include <glxuiutility.h>
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#include <glxtextentrypopup.h>
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#include <glxattributeretriever.h>
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#include <glxattributecontext.h>
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#include <glxfetchcontextremover.h>
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#include <glxresourceutilities.h> // for CGlxResourceUtilities
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#include <glxgeneraluiutilities.h>
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#include <glxicons.mbg>
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#include <glxtracer.h>
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#include <glxlog.h>
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#include <glxmediageneraldefs.h> // for KMaxMediaPopupTextLength
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#include "glxcommandfactory.h"
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CGlxCommandHandlerRename* CGlxCommandHandlerRename::NewL(
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MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem,
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const TDesC& aFileName)
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{
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CGlxCommandHandlerRename* self = new (ELeave) CGlxCommandHandlerRename(
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aMediaListProvider, aHasToolbarItem);
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CleanupStack::PushL(self);
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self->ConstructL(aFileName);
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CleanupStack::Pop(self);
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return self;
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}
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// ---------------------------------------------------------------------------
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// ---------------------------------------------------------------------------
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//
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CGlxCommandHandlerRename::CGlxCommandHandlerRename( MGlxMediaListProvider*
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aMediaListProvider, TBool aHasToolbarItem )
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: CGlxMpxCommandCommandHandler( aMediaListProvider, aHasToolbarItem )
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{
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// Do nothing
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}
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// ---------------------------------------------------------------------------
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// Symbian 2nd phase constructor can leave.
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// ---------------------------------------------------------------------------
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//
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void CGlxCommandHandlerRename::ConstructL(const TDesC& aFileName)
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{
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iRenameText = HBufC::NewL(KMaxMediaPopupTextLength);
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iResourceOffset = CCoeEnv::Static()->AddResourceFileL(aFileName);
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// Add supported command
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TCommandInfo info(EGlxCmdRename);
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// This setup disables the command if a static item is focused,
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// if the view is empty or if more than one item is selected.
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info.iMinSelectionLength = 1;
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info.iMaxSelectionLength = 1;
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// Filter out system items
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info.iDisallowSystemItems = ETrue;
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// Allow animated GIFs to be renamed
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info.iStopAnimationForExecution = ETrue;
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AddCommandL(info);
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iErrorCallback = new (ELeave) CAsyncCallBack(TCallBack(HandleErrorL, this),
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CActive::EPriorityStandard);
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}
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CGlxCommandHandlerRename::~CGlxCommandHandlerRename()
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{
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delete iRenameText;
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iErrorCallback->Cancel();
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delete iErrorCallback;
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if ( iResourceOffset )
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{
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CCoeEnv::Static()->DeleteResourceFile( iResourceOffset );
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}
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}
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// ---------------------------------------------------------------------------
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// Create a rename command
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// ---------------------------------------------------------------------------
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//
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CMPXCommand* CGlxCommandHandlerRename::CreateCommandL(TInt /*aCommandId*/,
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MGlxMediaList& aMediaList, TBool& /*aConsume*/) const
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{
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TRACER( "CGlxCommandHandlerRename::CreateCommandL" );
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// Return value
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CMPXCommand* command = NULL;
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// Prompt the user for the new name
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//
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// Show popup with the item's current title
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TPtr textPtr = iRenameText->Des();
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GetTitleL( textPtr, aMediaList );
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// store the current name.
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TBuf<KMaxMediaPopupTextLength> currentName;
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currentName.Copy(textPtr);
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// Load the title for the popup
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HBufC* title = StringLoader::LoadLC( R_GLX_POPUP_RENAME_TITLE );
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CGlxTextEntryPopup* popup = CGlxTextEntryPopup::NewL( *title,
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textPtr );
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if ( popup->ExecuteLD() == EEikBidOk && currentName != *iRenameText)
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{
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// Text entry was successful
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// There can be no selection when renaming, so assume that path contains focused item
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CMPXCollectionPath* path = aMediaList.PathLC( NGlxListDefs::EPathFocusOrSelection );
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// Create the rename command with the relevant text
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command = TGlxCommandFactory::RenameCommandLC( *iRenameText, *path );
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CleanupStack::Pop( command );
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CleanupStack::PopAndDestroy( path) ;
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}
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CleanupStack::PopAndDestroy( title );
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return command;
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}
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// -----------------------------------------------------------------------------
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// Handle an error
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// -----------------------------------------------------------------------------
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//
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void CGlxCommandHandlerRename::HandleErrorL(TInt aErrorCode)
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{
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TRACER( "CGlxCommandHandlerRename::HandleErrorL" );
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// Callback is required because the code to handle the error is blocking
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// There is only ever one command issued, store the error to handle later
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iError = aErrorCode;
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__ASSERT_DEBUG( !iErrorCallback->IsActive(), Panic( EGlxPanicLogicError ) );
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iErrorCallback->CallBack();
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}
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// -----------------------------------------------------------------------------
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// Callback to handle an error
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// -----------------------------------------------------------------------------
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//
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TBool CGlxCommandHandlerRename::HandleErrorL(TAny* aPtr)
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{
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TRACER( "CGlxCommandHandlerRename::HandleErrorL" );
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static_cast<CGlxCommandHandlerRename*>( aPtr )->HandleErrorL();
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return 0;
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}
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// -----------------------------------------------------------------------------
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// Handle an error - e.g. if user inputs a name that already exists.
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// -----------------------------------------------------------------------------
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//
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void CGlxCommandHandlerRename::HandleErrorL()
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{
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TRACER( "CGlxCommandHandlerRename::HandleErrorL" );
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// If name already exists, Show rename query and allow the user to try again
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// See EMYP-7A2E6J
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if ( iError == KErrAlreadyExists )
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{
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HBufC* text = StringLoader::LoadLC( R_GLX_RENAME_QUERY, *iRenameText );
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TBool confirmed = GlxGeneralUiUtilities::ConfirmQueryL( R_GLX_QUERY_OK_CANCEL, *text );
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if ( confirmed )
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{
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// Let user have another try at entering the new name
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ExecuteL( EGlxCmdRename );
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}
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CleanupStack::PopAndDestroy( text );
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}
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else
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{
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// Call the base class' implementation
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CGlxMpxCommandCommandHandler::HandleErrorL( iError );
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}
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}
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// -----------------------------------------------------------------------------
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// Retrieve the current item's title string
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// -----------------------------------------------------------------------------
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//
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void CGlxCommandHandlerRename::GetTitleL( TDes& aTitle,
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MGlxMediaList& aList ) const
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{
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TRACER( "CGlxCommandHandlerRename::GetTitleL" );
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// Set the title to a blank name by default
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aTitle = KNullDesC;
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// Create an iterator to retrieve the relevant attribute
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TGlxSelectionIterator iterator;
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// only want the title of one item
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iterator.SetRange( 1 );
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CGlxAttributeContext* context = new( ELeave )
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CGlxAttributeContext( &iterator );
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CleanupStack::PushL( context );
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// Want to read the title attribute
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// Configure the context
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context->AddAttributeL( KMPXMediaGeneralTitle );
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// Add the context to the media list
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aList.AddContextL( context, KGlxFetchContextPriorityBlocking );
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// TGlxContextRemover will remove the context when it goes out of scope
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// Used here to avoid a trap and still have safe cleanup
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TGlxFetchContextRemover contextRemover( context, aList );
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// put to cleanupstack as cleanupstack is emptied before stack objects
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// are deleted
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CleanupClosePushL( contextRemover );
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// Yuck - a leave and a return code
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// EFalse => don't show a progress dialog
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TInt err = GlxAttributeRetriever::RetrieveL( *context, aList, EFalse );
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// Using a distinct error value as "LeaveIfError( FuncL() );" looks bad
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User::LeaveIfError( err );
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// context off the list
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CleanupStack::PopAndDestroy( &contextRemover );
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// Now get the title of the relevant item: if *an* item is selected use its
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// title, otherwise use the item with focus
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// Get the index of the item to rename
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TInt index = KErrNotFound;
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// first see if there's a selected item...
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if ( aList.SelectionCount() == 1 )
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{
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// Find the index of the selected item
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index = aList.Count();
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do
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{
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--index;
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}
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while ( !aList.IsSelected( index ) && index > 0 );
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}
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else
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{
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// Use the index of the item with focus
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index = aList.FocusIndex();
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}
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if ( index != KErrNotFound )
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{
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// use iterator to get the right item
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iterator.SetToFirst( &aList );
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const CGlxMedia* media = aList.Item( iterator++ ).Properties();
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if( media )
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{
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// found the item's media properties, extract the title
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aTitle = media->ValueText( KMPXMediaGeneralTitle ) ;
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}
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}
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CleanupStack::PopAndDestroy( context );
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}
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//-----------------------------------------------------------------------------
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// PopulateToolbar
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//-----------------------------------------------------------------------------
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//
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void CGlxCommandHandlerRename::PopulateToolbarL()
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{
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TRACER( "CGlxCommandHandlerRename::PopulateToolbar" );
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}
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//End of file
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