summaryrefslogtreecommitdiffstats
path: root/src/systeminfo/symbian/storagestatus_s60.cpp
blob: 96526fc4e5d021197cfb3a7d390270d4897bef7f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "storagestatus_s60.h"
#include <QChar>
#include <QString>
#ifndef SYMBIAN_3_1
#include <driveinfo.h>
#endif //SYMBIAN_3_1
#include <f32file.h>


CMMCStorageStatus::CMMCStorageStatus() : CActive(EPriorityStandard),
m_previousDriveList(TDriveList())
{
    CActiveScheduler::Add(this);
    if (iFs.Connect() == KErrNone) {
#ifndef SYMBIAN_3_1
        m_previousDriveList.Copy(PopulateDriveList());
#endif //SYMBIAN_3_1
        startMonitoring();
    }
}

CMMCStorageStatus::~CMMCStorageStatus()
{
    Cancel();
    iFs.Close();
}

void CMMCStorageStatus::addObserver(MStorageStatusObserver *observer)
{
    m_observers.append(observer);
}

void CMMCStorageStatus::removeObserver(MStorageStatusObserver *observer)
{
    m_observers.removeOne(observer);
}

void CMMCStorageStatus::DoCancel()
{
    iFs.NotifyChangeCancel();
}
#ifndef SYMBIAN_3_1
TDriveList CMMCStorageStatus::PopulateDriveList()
{
    TDriveList driveList;
    TInt driveCount = 0;
    if (DriveInfo::GetUserVisibleDrives(iFs, driveList, driveCount,
            KDriveAttExclude | KDriveAttRemote | KDriveAttRom | KDriveAttInternal) != KErrNone) {
        return TDriveList();
    }

    for (int i = 0; i < KMaxDrives; i++) {
        if (driveList[i] == KDriveAbsent)
            continue;

        TUint driveStatus;
        if (DriveInfo::GetDriveStatus(iFs, i, driveStatus) == KErrNone) {

            if (!(driveStatus & DriveInfo::EDriveRemovable)) {
                driveList[i] = KDriveAbsent;
                continue;
            }

            TDriveInfo driveInfo;
            if (iFs.Drive(driveInfo, i) == KErrNone) {
                if (driveInfo.iType == EMediaNotPresent) {
                    driveList[i] = KDriveAbsent;
                }
            }
        }
    }
    return driveList;
}

void CMMCStorageStatus::CompareDriveLists(const TDriveList &aDriveList)
{
    if (!(aDriveList.Length() > KMaxDrives - 1) || !(m_previousDriveList.Length() > KMaxDrives - 1))
        return;

    for (int i = 0; i < KMaxDrives; i++) {

        if (aDriveList[i] == KDriveAbsent && m_previousDriveList[i] == KDriveAbsent) {
            continue;
        } else if (aDriveList[i] > KDriveAbsent && m_previousDriveList[i] > KDriveAbsent) {
            continue;
        } else if (aDriveList[i] == KDriveAbsent && m_previousDriveList[i] > KDriveAbsent) {
            TChar volumeChar;
            QString volume;
            bool driveInserted = false;
            if (iFs.DriveToChar(i, volumeChar) == KErrNone)
                volume = QChar(volumeChar).toAscii();

            foreach (MStorageStatusObserver *observer, m_observers)
                observer->storageStatusChanged(driveInserted, volume);
            break;
        } else if (aDriveList[i] > KDriveAbsent && m_previousDriveList[i] == KDriveAbsent) {
            TChar volumeChar;
            QString volume;
            bool driveInserted = true;
            if (iFs.DriveToChar(i, volumeChar) == KErrNone)
                volume = QChar(volumeChar).toAscii();

            foreach (MStorageStatusObserver *observer, m_observers)
                observer->storageStatusChanged(driveInserted, volume);
            break;
        }
    }
    m_previousDriveList.Copy(aDriveList);
}
#endif //SYMBIAN_3_1

void CMMCStorageStatus::RunL()
{
#ifdef SYMBIAN_3_1
    TDriveInfo driveInfo;
    TDriveNumber driveLetter = EDriveE;  // Have to use hardcoded MMC drive letter for 3.1
    if (iFs.Drive(driveInfo, driveLetter) == KErrNone) {
        bool driveInserted = false;

        switch (driveInfo.iType) {
        case EMediaNotPresent:
            driveInserted = false;
            break;
        default:
            driveInserted = true;
            break;
        }

        TChar volumeChar;
        QString volume;
        if (RFs::DriveToChar(driveLetter, volumeChar) == KErrNone)
            volume = QChar(volumeChar).toAscii();

        foreach (MStorageStatusObserver *observer, m_observers)
            observer->storageStatusChanged(driveInserted, volume);
    }
#else // SYMBIAN_3_1
    CompareDriveLists(PopulateDriveList());
#endif // SYMBIAN_3_1
    startMonitoring();
}

void CMMCStorageStatus::startMonitoring()
{
  if (!IsActive()) {
    iFs.NotifyChange(ENotifyDisk, iStatus);
    SetActive();
  }
}