|
1 /* |
|
2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * CMsgErrorDiskSpaceObserver implementation file |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 // INCLUDE FILES |
|
22 #include <e32base.h> |
|
23 |
|
24 #include "MsgErrorWatcher.h" |
|
25 #include "MsgErrorDiskSpaceObserver.h" |
|
26 |
|
27 #ifdef USE_LOGGER |
|
28 #include "MsgErrorWatcherLogging.h" |
|
29 #endif |
|
30 |
|
31 // ================= MEMBER FUNCTIONS ======================= |
|
32 |
|
33 // --------------------------------------------------------- |
|
34 // CMsgErrorDiskSpaceObserver::CMsgErrorDiskSpaceObserver |
|
35 // |
|
36 // C++ constructor can NOT contain any code, that |
|
37 // might leave. |
|
38 // --------------------------------------------------------- |
|
39 // |
|
40 CMsgErrorDiskSpaceObserver::CMsgErrorDiskSpaceObserver( |
|
41 CMsgErrorWatcher* aWatcher, |
|
42 CMsvSession& aSession, |
|
43 RFs& aFs ) |
|
44 : CActive( CActive::EPriorityStandard ), |
|
45 iWatcher( aWatcher ), |
|
46 iSession( aSession ), |
|
47 iFs( aFs ), |
|
48 iLimit( 0 ) |
|
49 { |
|
50 CActiveScheduler::Add( this ); |
|
51 } |
|
52 |
|
53 // --------------------------------------------------------- |
|
54 // CMsgErrorDiskSpaceObserver::NewL |
|
55 // |
|
56 // Two-phased constructor. |
|
57 // --------------------------------------------------------- |
|
58 // |
|
59 CMsgErrorDiskSpaceObserver* CMsgErrorDiskSpaceObserver::NewL( |
|
60 CMsgErrorWatcher* aWatcher, |
|
61 CMsvSession& aSession, |
|
62 RFs& aFs ) |
|
63 { |
|
64 CMsgErrorDiskSpaceObserver* self = new ( ELeave ) |
|
65 CMsgErrorDiskSpaceObserver( aWatcher, aSession, aFs ); |
|
66 return self; |
|
67 } |
|
68 |
|
69 |
|
70 // --------------------------------------------------------- |
|
71 // CMsgErrorDiskSpaceObserver::~CMsgErrorDiskSpaceObserver |
|
72 // |
|
73 // Destructor |
|
74 // --------------------------------------------------------- |
|
75 // |
|
76 CMsgErrorDiskSpaceObserver::~CMsgErrorDiskSpaceObserver() |
|
77 { |
|
78 Cancel(); |
|
79 } |
|
80 |
|
81 |
|
82 // --------------------------------------------------------- |
|
83 // CMsgErrorDiskSpaceObserver::DoCancel |
|
84 // |
|
85 // From active object framework |
|
86 // --------------------------------------------------------- |
|
87 // |
|
88 void CMsgErrorDiskSpaceObserver::DoCancel() |
|
89 { |
|
90 iFs.NotifyDiskSpaceCancel( iStatus ); |
|
91 } |
|
92 |
|
93 // --------------------------------------------------------- |
|
94 // CMsgErrorDiskSpaceObserver::RunL |
|
95 // |
|
96 // From active object framework |
|
97 // --------------------------------------------------------- |
|
98 // |
|
99 void CMsgErrorDiskSpaceObserver::RunL() |
|
100 { |
|
101 #ifdef USE_LOGGER |
|
102 MEWLOGGER_WRITEF( _L("DiskSpace: RunL, iStatus: %d"), iStatus.Int() ); |
|
103 #endif |
|
104 TInt status = iStatus.Int(); |
|
105 if ( status < 0 ) |
|
106 { |
|
107 //Reset the observer. |
|
108 TRAP_IGNORE ( SetLimitAndActivateL( iLimit ) ); |
|
109 return; |
|
110 } |
|
111 |
|
112 //We shouldn't have to check whether we're above the limit, |
|
113 //because we were below when we activated and the event comes |
|
114 //when we cross the limit |
|
115 |
|
116 TRAP_IGNORE( iWatcher->HandleDiskSpaceEventL() ); |
|
117 } |
|
118 |
|
119 // --------------------------------------------------------- |
|
120 // CMsgErrorDiskSpaceObserver::SetLimitAndActivateL |
|
121 // |
|
122 // Sets the disk space trigger level for active object |
|
123 // and activates it. |
|
124 // --------------------------------------------------------- |
|
125 // |
|
126 void CMsgErrorDiskSpaceObserver::SetLimitAndActivateL( TInt32 aLimit ) |
|
127 { |
|
128 #ifdef USE_LOGGER |
|
129 MEWLOGGER_ENTERFN( "DiskSpace: SetLimitAndActivateL" ); |
|
130 MEWLOGGER_WRITEF( _L("DiskSpace: aLimit %d"), aLimit ); |
|
131 #endif |
|
132 __ASSERT_DEBUG( aLimit >= 0, User::Leave( KErrArgument ) ); |
|
133 if ( aLimit < 0 ) |
|
134 { |
|
135 return; |
|
136 } |
|
137 if ( iLimit == 0 || iLimit > aLimit ) |
|
138 { |
|
139 Cancel(); |
|
140 iLimit = aLimit; |
|
141 |
|
142 TInt currentDrive = TInt( iSession.CurrentDriveL() ); |
|
143 TVolumeInfo volInfo; |
|
144 User::LeaveIfError( iFs.Volume( volInfo, currentDrive ) ); |
|
145 #ifdef USE_LOGGER |
|
146 MEWLOGGER_WRITEF( _L("DiskSpace: free/hi %d"), I64HIGH( volInfo.iFree ) ); |
|
147 MEWLOGGER_WRITEF( _L("DiskSpace: free/lo %d"), I64LOW( volInfo.iFree ) ); |
|
148 #endif |
|
149 //check if we're already above the limit |
|
150 if ( I64HIGH( volInfo.iFree ) != 0 || |
|
151 I64LOW( volInfo.iFree ) > (TUint)iLimit ) //iLimit is always positive. |
|
152 { |
|
153 iWatcher->HandleDiskSpaceEventL(); |
|
154 return; |
|
155 } |
|
156 else |
|
157 { |
|
158 #ifdef USE_LOGGER |
|
159 MEWLOGGER_WRITE( "DiskSpace: notify activated" ); |
|
160 #endif |
|
161 TInt64 treshold = iLimit; |
|
162 iFs.NotifyDiskSpace( treshold, currentDrive, iStatus ); |
|
163 // No need to check IsActive since object is cancelled |
|
164 // anyway above |
|
165 SetActive(); |
|
166 } |
|
167 } |
|
168 } |
|
169 |
|
170 // ================= OTHER EXPORTED FUNCTIONS ============== |
|
171 |
|
172 // End of File |
|
173 |