Category

Development Platform
Home > SourceCode/Document > Communication-Mobile > Symbian > View Code
chxavfilesystemwatcher.cpp
Package: 142_61_thumb_advanced.rar　[view]
Upload User: dangjiwu
Upload Date: 2013-07-19
Package Size: 42019k
Code Size: 2k
Category:

Symbian

Development Platform:

Visual C++

chxavfilesystemwatcher.cpp：Code Content
  1. /************************************************************************
  2.  * chxavfilesystemwatcher.cpp
  3.  * --------------------------
  4.  *
  5.  * Synopsis:
  6.  * Manages active object and RFs to watch for file system events for a 
  7.  * given path.
  8.  *
  9.  * Notifications are forwarded to a single observer/client.
  10.  * 
  11.  * 
  12.  * Target:
  13.  * Symbian OS
  14.  *
  15.  *
  16.  * (c) 1995-2003 RealNetworks, Inc. Patents pending. All rights reserved.
  17.  *
  18.  ************************************************************************/ 
  20. // Symbian includes...
  21. #include <f32file.h>
  23. // Includes from this project...
  24. #include "chxavmisc.h"
  25. #include "hxsym_debug.h"
  26. #include "chxavfilesystemwatcher.h"
  29. CHXAvFileSystemWatcher::CHXAvFileSystemWatcher(RFs& fs)
  30. : m_fs(fs)
  31. , m_notifyType(ENotifyEntry)
  32. {
  33. }
  35. ///////////////////////////////////
  36. // dtor
  37. CHXAvFileSystemWatcher::~CHXAvFileSystemWatcher()
  38. {
  39.     StopWatching();
  40. }
  42. ////////////////////////////////////////////////////////
  43. //
  44. void CHXAvFileSystemWatcher::ConstructL()
  45. {
  46.     BaseConstructL();
  47.     m_spWatchPath = KNullDesC().AllocL();
  48. }
  51. ////////////////////////////////////////////////////////
  52. // path can have wildcard to watch directories across
  53. // drives, e.g.:
  54. //
  55. // *:realnetworksdata
  56. // c:realnetworksdata
  57. //
  58. // **** you cannot watch from the root, e.g., 'c:'
  59. //
  60. void CHXAvFileSystemWatcher::SetWatchPathL(const TDesC& path)
  61. {
  62.     // cleanup old stuff in case we are chaging the path
  63.     StopWatching(); 
  64.     m_spWatchPath = path.AllocL();
  65.     DPRINTF(SYMP_FILE, ("CHXAvFileSystemWatcher::SetWatchPathL(): watching '%s'n", dbg::CharPtr(path)()));
  67. }
  69. ////////////////////////////////////////////////////////
  70. //
  71. void CHXAvFileSystemWatcher::DoIssueRequest(const CHXAvActiveCmplPtr& spActive)
  72. {
  73.     if( m_spWatchPath->Length() > 0)
  74.     {
  75.         m_fs.NotifyChange(m_notifyType, spActive->Status(), *m_spWatchPath);
  76.     }
  77.     else
  78.     {
  79.         // no watch path; watch everything
  80.         m_fs.NotifyChange(m_notifyType, spActive->Status());
  81.     }
  82. }
  84. ////////////////////////////////////////////////////////
  85. //
  86. void CHXAvFileSystemWatcher::DoCancelRequest(const CHXAvActiveCmplPtr& spActive)
  87. {
  88.     m_fs.NotifyChangeCancel(spActive->Status());
  89. }