crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/FileSystem/FSDirectoryScanner.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/FileSystem/FSDirectoryScanner.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,125 @@
+/*
+* 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:
+*
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.ComponentModel;
+using SymbianUtils;
+
+namespace SymbianUtils.FileSystem
+{
+    public class FSDirectoryScanner : DisposableObject
+    {
+        #region Delegates & events
+        public delegate void OperationStarted( FSDirectoryScanner aScanner );
+        public event OperationStarted Started;
+        public delegate void ProgressHandler( FSDirectoryScanner aScanner, int aProgress, FileInfo aFile );
+        public event ProgressHandler Progress;
+        public delegate void OperationComplete( FSDirectoryScanner aScanner );
+        public event OperationComplete Complete;
+        #endregion
+
+        #region Constructors
+        public FSDirectoryScanner()
+        {
+            iWorker.ProgressChanged += new ProgressChangedEventHandler( Worker_ProgressChanged );
+            iWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler( Worker_RunWorkerCompleted );
+            iWorker.DoWork += new DoWorkEventHandler( Worker_DoWork );
+        }
+        #endregion
+
+        #region API
+        public virtual void Start( DirectoryInfo aDirectory )
+        {
+            iWorker.RunWorkerAsync( aDirectory );
+        }
+        #endregion
+
+        #region Framework API
+        protected virtual void OnFileLocated( FileInfo aFile )
+        {
+        }
+        #endregion
+
+        #region Worker event handlers
+        private void Worker_DoWork( object aSender, DoWorkEventArgs aArgs )
+        {
+            if ( Started != null )
+            {
+                Started( this );
+            }
+            //
+            DirectoryInfo dir = aArgs.Argument as DirectoryInfo;
+            if ( dir != null && dir.Exists )
+            {
+                // Locate all the map files in the directory
+                FileInfo[] fileInfoList = dir.GetFiles( "*.*" );
+                int count = fileInfoList.Length;
+                for( int i=0; i<count; i++ )
+                {
+                    FileInfo file = fileInfoList[ i ];
+                    //
+                    ReportProgress( file, i, count );
+                }
+            }
+        }
+
+        private void Worker_RunWorkerCompleted( object aSender, RunWorkerCompletedEventArgs aArgs )
+        {
+            if ( Complete != null )
+            {
+                Complete( this );
+            }
+        }
+
+        private void Worker_ProgressChanged( object aSender, ProgressChangedEventArgs aArgs )
+        {
+            if ( Progress != null )
+            {
+                Progress( this, aArgs.ProgressPercentage, aArgs.UserState as FileInfo );
+            }
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            if ( iWorker != null )
+            {
+                iWorker.Dispose();
+                iWorker = null;
+            }
+            base.CleanupManagedResources();
+        }
+        #endregion
+
+        #region Internal methods
+        protected void ReportProgress( FileInfo aFile, int aFileIndex, int aFileCount )
+        {
+            OnFileLocated( aFile );
+            //
+            int progress = (int) ( ( (float) aFileIndex / (float) aFileCount ) * 100.0f );
+            iWorker.ReportProgress( progress, aFile );
+        }
+        #endregion
+
+        #region Data members
+        private BackgroundWorker iWorker = new BackgroundWorker();
+        #endregion
+    }
+}