summaryrefslogtreecommitdiffstats
path: root/libkdepim/maillistdrag.h
blob: cf8918db1f0a552d3b2cd864e7945f9b104d520e (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
/*
    This file is part of libkdepim.

    Copyright (c) 2003 Don Sanders <sanders@kde.org>
    Copyright (c) 2005 George Staikos <staikos@kde.org.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef maillistdrag_h
#define maillistdrag_h

#include "qdragobject.h"
#include "qvaluelist.h"
#include "qglobal.h"
#include "time.h"

#include <kdepimmacros.h>

/**
 * KDEPIM classes for drag and drop of mails
 * 
 * // Code example for drag and drop enabled widget
 *
 * void SomeWidget::contentsDropEvent(QDropEvent *e)
 * {
 *    if (e->provides(MailListDrag::format())) {
 *	MailList mailList;
 *	MailListDrag::decode( e, mailList );
 *      ...
 **/

namespace KPIM {

class KDE_EXPORT MailSummary 
{
public:
    MailSummary( Q_UINT32 serialNumber, QString messageId, QString subject, 
		 QString from, QString to, time_t date );
    MailSummary() {}
    ~MailSummary() {}

    /*** Set fields for this mail summary  ***/
    void set( Q_UINT32, QString, QString, QString, QString, time_t );

    /*** KMail unique identification number ***/
    Q_UINT32 serialNumber() const;

    /*** MD5 checksum of message identification string ***/
    QString messageId();

    /*** Subject of the message including prefixes ***/
    QString subject();

    /*** Simplified from address ***/
    QString from();

    /** Simplified to address ***/
    QString to();

    /*** Date the message was sent ***/
    time_t date();

private:
    Q_UINT32 mSerialNumber;
    QString mMessageId, mSubject, mFrom, mTo;
    time_t mDate;
};

// List of mail summaries
typedef QValueList<MailSummary> MailList;

// Object for the drag object to call-back for message fulltext
class KDE_EXPORT MailTextSource {
public:
    MailTextSource() {}
    virtual ~MailTextSource() {}

    virtual QCString text(Q_UINT32 serialNumber) const = 0;
};

// Drag and drop object for mails
class KDE_EXPORT MailListDrag : public QStoredDrag
{
public:
    // Takes ownership of "src" and deletes it when done
    MailListDrag( MailList, QWidget * parent = 0, MailTextSource *src = 0 );
    ~MailListDrag();

    const char *format(int i) const;

    bool provides(const char *mimeType) const;

    QByteArray encodedData(const char *) const;

    /* Reset the list of mail summaries */
    void setMailList( MailList );

    /* The format for this drag - "x-kmail-drag/message-list" */
    static const char* format();
    
    /* Returns TRUE if the information in e can be decoded into a QString;
       otherwsie returns FALSE */
    static bool canDecode( QMimeSource* e );

    /* Attempts to decode the dropped information;
       Returns TRUE if successful; otherwise return false */
    static bool decode( QDropEvent* e, MailList& s );

    /* Attempts to decode the serialNumbers of the dropped information;
       Returns TRUE if successful; otherwise return false */
    static bool decode( QDropEvent* e, QByteArray& a );

    /* Attempts to decode the encoded MailList;
       Returns TRUE if successful; otherwise return false */
    static bool decode( QByteArray& a, MailList& s );

private:
    MailTextSource *_src;
};

}
#endif /*maillistdrag_h*/