mmappcomponents/audiofetcher/inc/audiofetcherdialog.h
changeset 0 a2952bb97e68
child 14 05b0d2323768
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/audiofetcher/inc/audiofetcherdialog.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,249 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#ifndef AUDIOFETCHERDIALOG_H
+#define AUDIOFETCHERDIALOG_H
+
+// INCLUDES
+#include <e32base.h>
+#include <aknlists.h>
+#include <AknDialog.h>
+#include <coedef.h>
+#include <eikcmobs.h>
+#include <MediaFileTypes.hrh>
+
+#include "audiofetcherlisthandler.h"
+#include "audiofetcherfilehandler.h"
+#include "audiofetcherdialogutils.h"
+
+// FORWARD DECLARATIONS
+class MMGFetchVerifier;
+class CAknInputBlock;
+
+/**
+* CAudioFetcherDialog
+*
+* CAudioFetcherDialog provides UI for selecting audio files.
+*/
+NONSHARABLE_CLASS ( CAudioFetcherDialog ) : public CAknDialog,
+                                             public MEikListBoxObserver,/*
+                                             public MCoeForegroundObserver,*/
+                                             public MEikCommandObserver,
+                                             public MAudioFetcherListHandlerObserver,
+                                             public MAudioFetcherFileHandlerObserver
+	{
+	 public:  // Constructors and destructor
+	     
+		/**
+		* Two-phased constructor.
+		* @param reference to an array where the selected files are set
+        * @param selection verifier interface
+        * @param the title for the dialog
+		*/
+        static CAudioFetcherDialog* NewL(
+            CDesCArray& aSelectedFiles, 
+            MMGFetchVerifier* aVerifier,
+            const TDesC& aTitle,
+            TBool aMultiSelectionEnabled, 
+            TMediaFileType aMediaType );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CAudioFetcherDialog();     
+
+	private: // Constructors
+		
+	    /**
+        * Symbian 2nd phase constructor
+		*/
+        void ConstructL();
+
+        /**
+        * C++ default constructor.
+        */
+        CAudioFetcherDialog(
+            CDesCArray& aSelectedFiles, MMGFetchVerifier* aVerifier, const TDesC& aTitle, 
+            TBool aMultiSelectionEnabled, TMediaFileType aMediaType);
+
+	private:
+	    
+		/**
+		* @ref CCoeControl::SizeChanged
+		*/
+		void SizeChanged();
+	   
+	    /**
+	    *  From the base class.
+	    * Handles menu events.
+	    * @param  aCommandId Command id.
+	    * @return None.
+	    */
+	    void ProcessCommandL( TInt aCommandId );
+	        
+        //void HandleGainingForeground() {};
+        //void HandleLosingForeground(){};
+        
+	    /**
+        * From MEikListBoxObserver, called by framework.
+        * @param aListBox.
+        * @param aEventType.
+        * @return None
+        */
+        void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType );
+        
+        /**
+        * Initializes the dialog's controls before the dialog is sized and 
+        * layed out.
+        */
+		void PreLayoutDynInitL();
+
+        /**
+         * Initializes the dialog's controls after the dialog has been sized 
+         * but before it has been activated.
+         */
+		void PostLayoutDynInitL();
+		
+		TInt CurrentItemListIndex();
+		
+		void GetListItemText( TInt aListboxIndex, TDes& aText );
+
+		void SetIconsL();
+		
+		void SetIconFileNameL( const TDesC& aName, TDes& aFullName );
+		
+		TInt StorageTypeIcon( TInt aListboxIndex );
+		
+		TInt MediaTypeIcon( TInt aListboxIndex );
+		
+		CGulIcon* IconL(TAknsItemID aId, const TDesC& aFileName,
+		                TInt aFileIndex, TInt aFileMaskIndex);
+		
+		void UpdateListBoxL();
+		
+        /**
+        * From the base class.
+        * Called by framework before exiting the dialog.
+        * @param aButtonId Button id.
+        * @return ETrue to exit\ EFalse to not to exit.
+        */
+        TBool OkToExitL( TInt aButtonId );
+
+        /**
+        * From the base class.
+        * Called by framework when dialog is activated.
+        * @param None.
+        * @return None.
+        */
+        void ActivateL();
+        
+        /**
+        * From the base class.
+        * Called by framework before menu is shown.
+        * @param aResourceId Menu resource id.
+        * @param aMenuPane Pointer to the menu.
+        * @return None.
+        */
+        void  DynInitMenuPaneL(TInt aResourceId, CEikMenuPane *aMenuPane) ;
+        
+        /**
+        * From the base class.
+        * Called by framework for key event handling.
+        * @param aKeyEvent.
+        * @param aType.
+        * @return Return code.
+        */
+        TKeyResponse OfferKeyEventL(const TKeyEvent& /*aKeyEvent*/,TEventCode /*aType*/);
+        
+        /**
+        * From base class.
+        * Called when UI layout changes. 
+        * @param aType.
+        * @return None.
+        */
+        void HandleResourceChange( TInt aType );
+        
+        virtual CCoeControl* ComponentControl( TInt aIndex ) const;
+        virtual TInt CountComponentControls() const;
+
+    private:   // from MAudioFetcherFileHandlerObserver
+        
+        void HandleFileEventL( TInt aEvent, TInt aError );
+
+        TPtrC ConstructListboxItem( TInt aListboxIndex );
+        TInt ListboxItemCount();
+        
+    private:
+        
+        /**
+         * Query audio files from MdS
+         */
+        void QueryL();
+        TBool HandleListSelectionL();
+        static TInt CloseDialog( TAny *aObj );
+        void CloseDialogWithDelayL();
+        
+    private:
+	    
+	    // listbox
+	    CAknSingleGraphicStyleListBox* iListBox;
+	    
+	   // long buffers for listbox items
+	   TBuf<128> iListboxItemText1;
+	   TBuf<256> iListboxItemText2;
+	        
+	    // long buffers for icon file names
+	    TFileName iIconFileName;
+        
+	    // for title and icon handling
+	    CStatusPaneHandler* iStatusPaneHandler;
+	    TBuf<128> iDialogTitle;
+	    
+    	// metadata engine wrapper
+    	CAudioFetcherFileHandler* iFileHandler;
+    	
+    	CAudioFetcherListHandler* iListHandler;
+    	
+        // Selected items array
+        // Not Own. Owned by the client
+        CDesCArray& iSelectedFiles;
+        
+        MMGFetchVerifier* iVerifier;
+        
+        // is metadata databse open
+        TBool iDatabaseOpen;
+
+        /// Ref: the title
+        const TDesC& iTitle;         
+        
+        HBufC* iEmptyListText;
+
+        // Holds the status pane layout resource ID
+        TInt iCurrentLayoutResId;
+        TBool iMultiSelectionEnabled;
+        
+        // for closing dialog
+        CIdle* iIdle;
+        CAknInputBlock* iInputBlock;
+        
+        TMediaFileType iMediaType;
+	};
+
+#endif // AUDIOFETCHERDIALOG_H
+
+// End of File
+