|
1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // |
|
15 |
|
16 #include "diskchange.h" |
|
17 #include "MSVPANIC.H" |
|
18 |
|
19 CMsvNotifyDiskChange::CMsvNotifyDiskChange(RFs& aFs, MMsvDiskChangeObserver& aObserver) |
|
20 : CMsgActive(EPriorityHigh), iFs(aFs), iObserver(aObserver) |
|
21 { |
|
22 CActiveScheduler::Add(this); |
|
23 } |
|
24 |
|
25 CMsvNotifyDiskChange::~CMsvNotifyDiskChange() |
|
26 { |
|
27 Cancel(); |
|
28 } |
|
29 |
|
30 TInt CMsvNotifyDiskChange::Start(const TDriveUnit& aDrive, TUint aUniqueId) |
|
31 // |
|
32 // aDrive - The drive for which we want notifications |
|
33 // aUniqueId - The id we expect the drive to have |
|
34 // |
|
35 { |
|
36 __ASSERT_DEBUG(!IsActive(), PanicServer(EMsvDiskChangeNotiferActive)); |
|
37 |
|
38 iUniqueId = aUniqueId; |
|
39 |
|
40 // Check if the drive is removable |
|
41 TDriveInfo drive; |
|
42 TInt error = iFs.Drive(drive, TInt(aDrive)); |
|
43 if (error != KErrNone) |
|
44 return error; |
|
45 |
|
46 iDrive = TInt(aDrive); |
|
47 |
|
48 // Setup file system notification |
|
49 iFs.NotifyChange(ENotifyDisk, iStatus); |
|
50 SetActive(); |
|
51 |
|
52 // See if the disk is currently available |
|
53 TVolumeInfo volume; |
|
54 iDiskRemoved = iFs.Volume(volume, TInt(iDrive)) != KErrNone || iDiskMissing; |
|
55 |
|
56 return KErrNone; |
|
57 } |
|
58 |
|
59 void CMsvNotifyDiskChange::DoCancel() |
|
60 { |
|
61 iFs.NotifyChangeCancel(); |
|
62 } |
|
63 |
|
64 void CMsvNotifyDiskChange::DoRunL() |
|
65 { |
|
66 // Flag to indicate we should continue to notify of disk changes |
|
67 TBool keepGoing = ETrue; |
|
68 |
|
69 // Get disk details - If this fails assume it's missing |
|
70 TVolumeInfo volume; |
|
71 if (iFs.Volume(volume, TInt(iDrive)) != KErrNone || iDiskMissing) |
|
72 { |
|
73 if (!iDiskRemoved) |
|
74 { |
|
75 // The disk has been removed |
|
76 keepGoing = iObserver.DiskRemoved(iDrive); |
|
77 } |
|
78 |
|
79 iDiskRemoved = ETrue; |
|
80 } |
|
81 else if (iDiskRemoved) |
|
82 { |
|
83 if (iWrongId) |
|
84 { |
|
85 // The incorrect disk is being used |
|
86 keepGoing = iObserver.DiskChanged(iDrive, volume.iUniqueID); |
|
87 } |
|
88 else |
|
89 { |
|
90 // The correct disk has been inserted |
|
91 keepGoing = iObserver.DiskInserted(iDrive); |
|
92 } |
|
93 |
|
94 iDiskRemoved = EFalse; |
|
95 } |
|
96 |
|
97 // Setup file system notification |
|
98 if (keepGoing) |
|
99 { |
|
100 iFs.NotifyChange(ENotifyDisk, iStatus); |
|
101 SetActive(); |
|
102 } |
|
103 } |
|
104 |