Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 259 insertions, 0 deletions

diff --git a/libkdepim/maillistdrag.cpp b/libkdepim/maillistdrag.cpp
new file mode 100644
index 00000000..2fb28328
--- /dev/null
+++ b/libkdepim/maillistdrag.cpp
@@ -0,0 +1,259 @@
+/*
+    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.
+*/
+
+#include "maillistdrag.h"
+#include <qbuffer.h>
+#include <qdatastream.h>
+#include <qeventloop.h>
+#include <kapplication.h>
+#include <klocale.h>
+#include <kprogress.h>
+
+using namespace KPIM;
+
+MailSummary::MailSummary( Q_UINT32 serialNumber, QString messageId, 
+			  QString subject, QString from, QString to, 
+			  time_t date )
+    : mSerialNumber( serialNumber ), mMessageId( messageId ),
+      mSubject( subject ), mFrom( from ), mTo( to ), mDate( date )
+{}
+
+Q_UINT32 MailSummary::serialNumber() const 
+{ 
+    return mSerialNumber; 
+}
+
+QString MailSummary::messageId() 
+{ 
+    return mMessageId; 
+}
+
+QString MailSummary::subject() 
+{ 
+    return mSubject; 
+}
+
+QString MailSummary::from() 
+{ 
+    return mFrom; 
+}
+
+QString MailSummary::to() 
+{ 
+    return mTo; 
+}
+
+time_t MailSummary::date()
+{
+    return mDate;
+}
+
+void MailSummary::set( Q_UINT32 serialNumber, QString messageId, 
+		       QString subject, QString from, QString to, time_t date )
+{
+    mSerialNumber = serialNumber;
+    mMessageId = messageId;
+    mSubject = subject;
+    mFrom = from;
+    mTo = to;
+    mDate = date;
+}
+
+MailListDrag::MailListDrag( MailList mailList, QWidget * parent, MailTextSource *src )
+    : QStoredDrag( MailListDrag::format(), parent ), _src(src)
+{
+    setMailList( mailList );
+}
+
+MailListDrag::~MailListDrag()
+{
+    delete _src;
+    _src = 0;
+}
+
+const char* MailListDrag::format()
+{
+    return "x-kmail-drag/message-list";
+}
+
+bool MailListDrag::canDecode( QMimeSource *e )
+{
+    return e->provides( MailListDrag::format() );
+}
+
+// Have to define before use
+QDataStream& operator<< ( QDataStream &s, MailSummary &d )
+{
+    s << d.serialNumber();
+    s << d.messageId();
+    s << d.subject();
+    s << d.from();
+    s << d.to();
+    s << d.date();
+    return s;
+}
+
+QDataStream& operator>> ( QDataStream &s, MailSummary &d )
+{
+    Q_UINT32 serialNumber;
+    QString messageId, subject, from, to;
+    time_t date;
+    s >> serialNumber;
+    s >> messageId;
+    s >> subject;
+    s >> from;
+    s >> to;
+    s >> date;
+    d.set( serialNumber, messageId, subject, from, to, date );
+    return s;
+}
+
+QDataStream& operator<< ( QDataStream &s, MailList &mailList )
+{
+    MailList::iterator it;
+    for (it = mailList.begin(); it != mailList.end(); ++it) {
+	MailSummary mailDrag = *it;
+	s << mailDrag;
+    }
+    return s;
+}
+
+QDataStream& operator>> ( QDataStream &s, MailList &mailList )
+{
+    mailList.clear();
+    MailSummary mailDrag;
+    while (!s.atEnd()) {
+	s >> mailDrag;
+	mailList.append( mailDrag );
+    }
+    return s;
+}
+
+bool MailListDrag::decode( QDropEvent* e, MailList& mailList )
+{
+    QByteArray payload = e->encodedData( MailListDrag::format() );
+    QDataStream buffer( payload, IO_ReadOnly );
+    if ( payload.size() ) {
+	e->accept();
+	buffer >> mailList;
+	return TRUE;
+    }
+    return FALSE;
+}
+
+bool MailListDrag::decode( QByteArray& payload, MailList& mailList )
+{
+    QDataStream stream( payload, IO_ReadOnly );
+    if ( payload.size() ) {
+	stream >> mailList;
+	return TRUE;
+    }
+    return FALSE;
+}
+
+bool MailListDrag::decode( QDropEvent* e, QByteArray &a )
+{
+    MailList mailList;
+    if (decode( e, mailList )) {
+	MailList::iterator it;
+	QBuffer buffer( a );
+	buffer.open( IO_WriteOnly );
+	QDataStream stream( &buffer );
+	for (it = mailList.begin(); it != mailList.end(); ++it) {
+	    MailSummary mailDrag = *it;
+	    stream << mailDrag.serialNumber();
+	}
+	buffer.close();
+	return TRUE;
+    }
+    return FALSE;
+}
+
+void MailListDrag::setMailList( MailList mailList )
+{
+    QByteArray array;
+    QBuffer buffer( array );
+    buffer.open( IO_WriteOnly);
+    QDataStream stream( array, IO_WriteOnly );
+    stream << mailList;
+    buffer.close();
+    setEncodedData( array );
+}
+
+const char *MailListDrag::format(int i) const
+{
+    if (_src) {
+        if (i == 0) {
+            return "message/rfc822";
+        } else {
+            return QStoredDrag::format(i - 1);
+        }
+    }
+
+    return QStoredDrag::format(i);
+}
+
+bool MailListDrag::provides(const char *mimeType) const
+{
+    if (_src && QCString(mimeType) == "message/rfc822") {
+        return true;
+    }
+
+    return QStoredDrag::provides(mimeType);
+}
+
+QByteArray MailListDrag::encodedData(const char *mimeType) const
+{
+    if (QCString(mimeType) != "message/rfc822") {
+        return QStoredDrag::encodedData(mimeType);
+    }
+
+    QByteArray rc; 
+    if (_src) {
+        MailList ml;
+        QByteArray enc = QStoredDrag::encodedData(format());
+        decode(enc, ml);
+
+        KProgressDialog *dlg = new KProgressDialog(0, 0, QString::null, i18n("Retrieving and storing messages..."), true);
+        dlg->setAllowCancel(true);
+        dlg->progressBar()->setTotalSteps(ml.count());
+        int i = 0;
+        dlg->progressBar()->setValue(i);
+        dlg->show();
+
+        QTextStream *ts = new QTextStream(rc, IO_WriteOnly);
+        for (MailList::ConstIterator it = ml.begin(); it != ml.end(); ++it) {
+            MailSummary mailDrag = *it;
+            *ts << _src->text(mailDrag.serialNumber());
+            if (dlg->wasCancelled()) {
+                break;
+            }
+            dlg->progressBar()->setValue(++i);
+            kapp->eventLoop()->processEvents(QEventLoop::ExcludeSocketNotifiers);
+        }
+
+        delete dlg;
+        delete ts;
+    }
+    return rc;
+}
+