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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "agsbackuprestoreagent.h" |
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17 #include <connect/sbdefs.h> // For conn::EBURNormal etc. |
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18 |
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19 CAgnServBackupRestoreAgent* CAgnServBackupRestoreAgent::NewL(CAgnServFileMgr& aFileMgr) |
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20 { |
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21 CAgnServBackupRestoreAgent* self = new(ELeave) CAgnServBackupRestoreAgent(aFileMgr); |
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22 return self; |
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23 } |
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24 |
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25 CAgnServBackupRestoreAgent::~CAgnServBackupRestoreAgent() |
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26 { |
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27 Cancel(); |
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28 iBackupRestoreNotification.Close(); |
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29 } |
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30 |
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31 CAgnServBackupRestoreAgent::CAgnServBackupRestoreAgent(CAgnServFileMgr& aFileMgr) |
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32 : CActive(CActive::EPriorityStandard), iFileMgr(aFileMgr) |
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33 { |
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34 CActiveScheduler::Add(this); |
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35 |
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36 // Attach and subscribe to the Backup/Restore property used by the SBEngine |
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37 // component. |
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38 iBackupRestoreNotification.Attach(KUidSystemCategory, conn::KUidBackupRestoreKey); |
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39 iBackupRestoreNotification.Subscribe(iStatus); |
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40 } |
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41 |
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42 /** Indicates if a Backup operation is currently in progress. |
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43 @return ETrue if operation in progress else EFalse. |
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44 */ |
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45 TBool CAgnServBackupRestoreAgent::BackupInProgress() const |
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46 { |
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47 return (iCurrentState & (conn::EBURBackupPartial | conn::EBURBackupFull)); |
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48 } |
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49 |
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50 /** Indicates if a Restore operation is currently in progress. |
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51 @return ETrue if operation in progress else EFalse. |
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52 */ |
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53 TBool CAgnServBackupRestoreAgent::RestoreInProgress() const |
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54 { |
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55 return (iCurrentState & (conn::EBURRestorePartial | conn::EBURRestoreFull)); |
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56 } |
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57 |
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58 /** Instructs the agent to listen for backup or restore events. */ |
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59 void CAgnServBackupRestoreAgent::Start() |
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60 { |
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61 // Check to see if a Backup/Restore is currently in progress. |
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62 TInt newState = 0; |
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63 if (iBackupRestoreNotification.Get(newState) != KErrNotFound) |
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64 { |
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65 iCurrentState = newState; |
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66 } |
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67 SetActive(); |
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68 } |
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69 |
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70 /** |
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71 Called when a backup or restore event is received. |
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72 |
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73 When a backup or restore event is received we change the state so that BackupInProgress() and |
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74 RestoreInProgress() return the correct state. These functions will be queried when a file is being closed |
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75 to check if they should be closed immediately or after a small delay. |
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76 |
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77 In addition to this we also call CloseScheduledFilesNow() on the file manager to close all files that have |
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78 been scheduled for close so they are closed immediately. |
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79 */ |
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80 void CAgnServBackupRestoreAgent::RunL() |
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81 { |
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82 // Resubscribe before dealing with the current notification. |
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83 iBackupRestoreNotification.Subscribe(iStatus); |
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84 SetActive(); |
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85 |
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86 TInt newState = 0; |
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87 |
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88 // Flag updated. |
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89 if (iBackupRestoreNotification.Get(newState) != KErrNotFound) |
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90 { |
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91 if ( newState& (conn::EBURBackupPartial | conn::EBURBackupFull) && !BackupInProgress()) |
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92 { |
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93 iFileMgr.CloseScheduledFilesImmediately(); |
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94 iFileMgr.BackupReStoreChanged(MCalChangeCallBack2::EBackupStart); |
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95 } |
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96 else if (newState & (conn::EBURRestoreFull | conn::EBURRestorePartial)&& !RestoreInProgress()) |
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97 { |
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98 iFileMgr.CloseScheduledFilesImmediately(); |
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99 iFileMgr.BackupReStoreChanged(MCalChangeCallBack2::ERestoreStart); |
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100 } |
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101 else if (newState & (conn::EBURNormal | conn::EBURUnset) && BackupInProgress()) |
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102 { |
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103 iFileMgr.BackupReStoreChanged(MCalChangeCallBack2::EBackupEnd); |
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104 } |
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105 else if (newState & (conn::EBURNormal | conn::EBURUnset) && RestoreInProgress()) |
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106 { |
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107 iFileMgr.BackupReStoreChanged(MCalChangeCallBack2::ERestoreEnd); |
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108 } |
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109 iCurrentState = newState; |
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110 } |
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111 } |
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112 |
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113 /** Called when an error occurs. If an error occurs we will not be notified of backup or restore |
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114 events. This may cause problems during backup and restore but terminating the server is excessive as |
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115 it can continue normal operation. */ |
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116 TInt CAgnServBackupRestoreAgent::RunError(TInt /*aError*/) |
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117 { |
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118 return KErrNone; |
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119 } |
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120 |
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121 void CAgnServBackupRestoreAgent::DoCancel() |
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122 { |
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123 iBackupRestoreNotification.Cancel(); |
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124 } |