Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/filechangenotifier_8h_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/Base/FileServer/FileChangeNotifier/inc/filechangenotifier.h Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/Base/FileServer/FileChangeNotifier/inc/filechangenotifier.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">//</span>
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<a name="l00015"></a>00015 
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<a name="l00016"></a>00016 
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<a name="l00017"></a>00017 <span class="preprocessor">#ifndef __FILECHANGENOTIFIER_H__</span>
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<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define __FILECHANGENOTIFIER_H__</span>
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<a name="l00019"></a>00019 <span class="preprocessor"></span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;e32base.h&gt;</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;e32cons.h&gt;</span>
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<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;f32file.h&gt;</span>
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<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;f32notification.h&gt;</span>
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<a name="l00024"></a>00024 
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<a name="l00025"></a>00025 <span class="comment">/*</span>
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<a name="l00026"></a>00026 <span class="comment"> * Demonstrates the various features of Enhanced File change notifier.</span>
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<a name="l00027"></a>00027 <span class="comment"> * - User gets notified when there is a change in a File.</span>
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<a name="l00028"></a>00028 <span class="comment"> * - User gets notified when there is a change in a Folder.</span>
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<a name="l00029"></a>00029 <span class="comment"> * - User gets notified when there is a change in a Drive.</span>
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<a name="l00030"></a>00030 <span class="comment"> */</span>
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<a name="l00031"></a><a class="code" href="class_c_change_notifier.html">00031</a> <span class="keyword">class </span><a class="code" href="class_c_change_notifier.html">CChangeNotifier</a>: <span class="keyword">public</span> CActive
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<a name="l00032"></a>00032 {
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<a name="l00033"></a>00033 <span class="keyword">public</span>:
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<a name="l00034"></a>00034     <span class="keyword">static</span> <a class="code" href="class_c_change_notifier.html">CChangeNotifier</a>* NewL(TInt aPriority = EPriorityStandard);
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<a name="l00035"></a>00035     <span class="keyword">virtual</span> <a class="code" href="class_c_change_notifier.html#a408470e934332f6644929bbad83a4e53">~CChangeNotifier</a>();
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<a name="l00036"></a>00036     <span class="keywordtype">void</span> RequestCharacter(); 
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<a name="l00037"></a>00037 <span class="keyword">protected</span>:
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<a name="l00038"></a>00038     <span class="keywordtype">void</span> ConstructL();
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<a name="l00039"></a>00039 
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<a name="l00040"></a>00040 <span class="keyword">public</span>:
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<a name="l00041"></a>00041     <span class="keyword">enum</span> TFileOperations{
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<a name="l00042"></a>00042         ECreateFile,
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<a name="l00043"></a>00043         EChangeFileContents,
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<a name="l00044"></a>00044         ERenameFile,
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<a name="l00045"></a>00045         EChangeFileAttributes ,
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<a name="l00046"></a>00046         EDeleteFile,
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<a name="l00047"></a>00047         ECreateFolder,
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<a name="l00048"></a>00048         ERenameFolder,
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<a name="l00049"></a>00049         EDeleteFolder,
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<a name="l00050"></a>00050         EVolumeNameChange,
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<a name="l00051"></a>00051         EMultipleNotifications
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<a name="l00052"></a>00052         };
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<a name="l00053"></a>00053 <span class="keyword">private</span>: 
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<a name="l00054"></a>00054     <span class="keyword">virtual</span> <span class="keywordtype">void</span> DoCancel();
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<a name="l00055"></a>00055     <span class="keyword">virtual</span> <span class="keywordtype">void</span> RunL();
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<a name="l00056"></a>00056     <span class="keywordtype">void</span> PressAnyKey();
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<a name="l00057"></a>00057     <span class="keywordtype">void</span> NotifyChangeToFile(); <span class="comment">// get notified when there is a change in the file.</span>
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<a name="l00058"></a>00058     <span class="keywordtype">void</span> NotifyChangeToFolder(); <span class="comment">// get notified when there is a change in the folder.</span>
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<a name="l00059"></a>00059     <span class="keywordtype">void</span> CreateFile(); <span class="comment">// get notified when a new file is created.</span>
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<a name="l00060"></a>00060     <span class="keywordtype">void</span> ChangeFileContents(); <span class="comment">// get notified when the file contents are changed.</span>
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<a name="l00061"></a>00061     <span class="keywordtype">void</span> RenameFile(); <span class="comment">// get notified when a file is renamed.</span>
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<a name="l00062"></a>00062     <span class="keywordtype">void</span> ChangeFileAttributes (); <span class="comment">// get notified when the file attributes change.</span>
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<a name="l00063"></a>00063     <span class="keywordtype">void</span> DeleteFile(); <span class="comment">// get notified when a file is deleted.</span>
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<a name="l00064"></a>00064     <span class="keywordtype">void</span> CreateFolder(); <span class="comment">// get notified when a folder is created.</span>
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<a name="l00065"></a>00065     <span class="keywordtype">void</span> RenameFolder(); <span class="comment">// get notified when a folder is renamed.</span>
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<a name="l00066"></a>00066     <span class="keywordtype">void</span> DeleteFolder(); <span class="comment">// get notified when a folder is deleted.</span>
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<a name="l00067"></a>00067     <span class="keywordtype">void</span> DeleteFileandFolder(); <span class="comment">// get notitified when a folder is deleted, file in the folder is also deleted.</span>
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<a name="l00068"></a>00068     <span class="keywordtype">void</span> VolumeNameChange(); <span class="comment">// get notified when there is a volume name change.</span>
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<a name="l00069"></a>00069     <span class="keywordtype">void</span> MultipleNotifications(); <span class="comment">// multiple notifications can be requested at once, completed notifications are filled in the buffer.</span>
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<a name="l00070"></a>00070     <span class="keywordtype">void</span> DoChanges(CChangeNotifier::TFileOperations operation); <span class="comment">// Do file/folder changes.</span>
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<a name="l00071"></a>00071     <span class="keywordtype">void</span> ProcessMultipleChanges(<span class="keyword">const</span> TFsNotification* aNotification); <span class="comment">// Process the completion of multiple notifications requested by &#39;Multiple Notifications&#39; use case.</span>
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<a name="l00072"></a>00072     
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<a name="l00073"></a>00073 <span class="keyword">private</span>: 
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<a name="l00074"></a>00074     <a class="code" href="class_c_change_notifier.html">CChangeNotifier</a>(TInt aPriority = EPriorityStandard );
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<a name="l00075"></a>00075     <span class="comment">/*</span>
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<a name="l00076"></a>00076 <span class="comment">     * These booleans are used to detect whether the file change operation was performed earlier or not.</span>
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<a name="l00077"></a>00077 <span class="comment">     * Ex: If a folder is already created and the user tries to create it once again, it prints that the file is created.</span>
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<a name="l00078"></a>00078 <span class="comment">     */</span>
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<a name="l00079"></a>00079     TBool iIsCreateFolder; <span class="comment">// to verify whether a folder is created or not.</span>
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<a name="l00080"></a>00080     TBool iIsRenameFolder; <span class="comment">// to verify whether the rename operation on a folder is performed already.</span>
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<a name="l00081"></a>00081     TBool iIsDeleteFolder; <span class="comment">// to verify whether the delete folder operation is performed already.</span>
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<a name="l00082"></a>00082     TBool iIsVolumeNameChange; <span class="comment">// to verify whether the volume name change operation is done already.</span>
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<a name="l00083"></a>00083     TBool iIsCreateFile; <span class="comment">// to verify whether the file is created in the desired location already.</span>
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<a name="l00084"></a>00084     TBool iIsRenameFile; <span class="comment">// to verify whether the rename operation on the file is performed already.</span>
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<a name="l00085"></a>00085     TBool iIsChangeFileAttributes ; <span class="comment">// to verify whether the file attributed are changed already.</span>
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<a name="l00086"></a>00086     TBool iIsDeleteFile; <span class="comment">// to verify whether the file is deleted already.</span>
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<a name="l00087"></a>00087     TBool iDeleteFileContinue; <span class="comment">// this boolean is used when a folder with a file needs to be removed. it removes the file and then calls folder removal.</span>
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<a name="l00088"></a>00088     TBool iIsMultipleNotifications;
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<a name="l00089"></a>00089     RFs iFs;
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<a name="l00090"></a>00090     TChar iDrive; <span class="comment">// System drive</span>
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<a name="l00091"></a>00091     TInt iDriveNumber; <span class="comment">// drive number of U: drive</span>
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<a name="l00092"></a>00092     TBool iOption; <span class="comment">// This boolean is used to exit, if none of the Main menu options is chosen.</span>
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<a name="l00093"></a>00093     TBool iOptionContinue; <span class="comment">// it is used to continue with the Main menu, if none of the sub menu options is chosen.</span>
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<a name="l00094"></a>00094     CConsoleBase* iConsole;
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<a name="l00095"></a>00095     CFsNotify* iNotify; <span class="comment">// This is client which will be posting notification requests and will be notified after completion of these requests.</span>
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<a name="l00096"></a>00096     TRequestStatus iReqStatus;
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<a name="l00097"></a>00097 };
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<a name="l00098"></a>00098 <span class="preprocessor">#endif  // __CHANGENOTIFIER_H__</span>
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<a name="l00099"></a>00099 <span class="preprocessor"></span>
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<a name="l00100"></a>00100 
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>