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1 // Copyright (c) 2005-2009 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 <f32file.h> // For RFs |
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17 |
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18 #include "CCntLowDiskManager.h" |
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19 |
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20 #include "CCntLogger.h" |
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21 |
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22 /** Object factory method for CCntLowDiskManager. |
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23 */ |
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24 CCntLowDiskManager* CCntLowDiskManager::NewL(MContactLowDiskObserver& aObserver, |
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25 TInt64 aThreshold, TInt aDrive, RFs& aFs) |
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26 { |
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27 CCntLowDiskManager* self = new(ELeave) CCntLowDiskManager(aObserver, |
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28 aThreshold, aDrive, aFs); |
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29 return self; |
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30 } |
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31 |
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32 |
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33 /** Destructor. |
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34 */ |
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35 CCntLowDiskManager::~CCntLowDiskManager() |
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36 { |
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37 Cancel(); |
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38 } |
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39 |
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40 |
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41 /** Request notification of disk space events from File Server. This method |
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42 covers the scenario where we start with low disk (i.e. already below the |
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43 threshold). We won't get a notification from the File Server session in |
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44 this case (need to cross threshold). Rather than repeat the code in RunL(), |
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45 manually complete the request here to force a call of RunL(). The actual |
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46 registration for disk space events takes place at the end of RunL(). |
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47 */ |
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48 void CCntLowDiskManager::Start() |
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49 { |
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50 SetActive(); |
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51 TRequestStatus* status = &iStatus; |
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52 User::RequestComplete(status, KErrNone); |
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53 } |
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54 |
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55 |
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56 TBool CCntLowDiskManager::LowDiskL() |
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57 { |
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58 TVolumeInfo volumeInfo; |
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59 User::LeaveIfError(iFs.Volume(volumeInfo, iDrive)); |
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60 return (volumeInfo.iFree <= iThreshold); |
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61 } |
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62 |
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63 |
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64 /** First phase default constructor. |
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65 */ |
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66 CCntLowDiskManager::CCntLowDiskManager(MContactLowDiskObserver& aObserver, |
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67 TInt64 aThreshold, TInt aDrive, RFs& aFs) |
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68 : |
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69 CActive(EPriorityHigh), iObserver(aObserver), iThreshold(aThreshold), |
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70 iDrive(aDrive), iFs(aFs), iWasLowDisk(EFalse) |
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71 { |
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72 CActiveScheduler::Add(this); |
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73 } |
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74 |
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75 |
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76 /** Receives a disk space event and notifies the observer. |
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77 @see CActive |
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78 */ |
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79 void CCntLowDiskManager::RunL() |
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80 { |
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81 TInt ret = iStatus.Int(); |
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82 if (ret != KErrNone) |
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83 { |
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84 return; |
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85 } |
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86 |
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87 if (LowDiskL()) |
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88 { |
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89 iWasLowDisk = ETrue; |
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90 iObserver.HandleLowDiskL(ETrue); |
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91 } |
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92 else if (iWasLowDisk) |
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93 { |
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94 iWasLowDisk = EFalse; |
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95 iObserver.HandleLowDiskL(EFalse); |
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96 } |
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97 |
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98 // Request notification again. |
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99 iFs.NotifyDiskSpace(iThreshold, iDrive, iStatus); |
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100 SetActive(); |
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101 } |
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102 |
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103 |
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104 /** Recover if RunL() leaves. |
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105 @see CActive |
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106 */ |
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107 TInt CCntLowDiskManager::RunError(TInt /*aError*/) |
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108 { |
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109 |
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110 DEBUG_PRINT1(__VERBOSE_DEBUG__,_L("[CNTMODEL] CCntLowDiskManager::RunError(): RunL() has left!\n")); |
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111 |
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112 return (KErrNone); |
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113 } |
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114 |
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115 |
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116 /** |
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117 @see CActive |
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118 */ |
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119 void CCntLowDiskManager::DoCancel() |
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120 { |
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121 iFs.NotifyDiskSpaceCancel(iStatus); |
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122 } |