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/*******************************************************************************
**
** Filename : util
** Created on : 03 April, 2005
** Copyright : (c) 2005 Till Adam
** Email : <adam@kde.org>
**
*******************************************************************************/
/*******************************************************************************
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** It 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
** General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** In addition, as a special exception, the copyright holders give
** permission to link the code of this program with any edition of
** the Qt library by Trolltech AS, Norway (or with modified versions
** of Qt that use the same license as Qt), and distribute linked
** combinations including the two. You must obey the GNU General
** Public License in all respects for all of the code used other than
** Qt. If you modify this file, you may extend this exception to
** your version of the file, but you are not obligated to do so. If
** you do not wish to do so, delete this exception statement from
** your version.
**
*******************************************************************************/
#ifndef KMAILUTIL_H
#define KMAILUTIL_H
#include <stdlib.h>
#include <QObject>
#include <QByteArray>
#include <QWidget>
#include <kio/netaccess.h>
#include <kmessagebox.h>
#include <klocale.h>
class DwString;
class KUrl;
namespace KMail
{
/**
* The Util namespace contains a collection of helper functions use in
* various places.
*/
namespace Util {
/**
* First disconnect then reconnect a sender/signal-receiver/slot pair.
* This improves readability of code a bit by reducing two (maybe long and complex) lines
* to one and often helps in avoiding a pair of brackets.
*/
void reconnectSignalSlotPair( QObject *src, const char *signal, QObject *dst, const char *slot );
// return true if we should proceed, false if we should abort
bool checkOverwrite( const KUrl &url, QWidget *w );
/** Test if all required settings are set.
Reports problems to user via dialogs and returns false.
Returns true if everything is Ok. */
bool checkTransport( QWidget *w );
/**
* Convert all sequences of "\r\n" (carriage return followed by a line
* feed) to a single "\n" (line feed). The conversion happens in place.
* Returns the length of the resulting string.
* @param str The string to convert.
* @param strLen The length of the string to convert.
* @return The new length of the converted string.
*/
size_t crlf2lf( char* str, const size_t strLen );
/**
* Delegates opening a URL to the Max OSX mechanisms for that.
* Returns false if it did nothing (such as on other platforms.
*/
bool handleUrlOnMac( const KUrl& url );
/**
* Convert "\n" line endings to "\r\n".
* @param src The source string to convert.
* @return The result string.
*/
QByteArray lf2crlf( const QByteArray & src );
/**
* Construct a QByteArray from a DwString
*/
QByteArray ByteArray( const DwString& str );
/**
* Construct a DwString from a QByteArray
*/
DwString dwString( const QByteArray& str );
/**
* Validates a list of email addresses.
* @return true if all addresses are valid.
* @return false if one or several addresses are invalid.
*/
bool validateAddresses( QWidget *parent, const QString &addresses );
QStringList AttachmentKeywords();
/**
* A LaterDeleter is intended to be used with the RAII ( Resource
* Acquisiation is Initialization ) paradigm. When an instance of it
* goes out of scope it deletes the associated object It can be
* disabled, in case the deletion needs to be avoided for some
* reason, since going out-of-scope cannot be avoided.
*/
class LaterDeleter
{
public:
LaterDeleter( QObject *o)
:m_object( o ), m_disabled( false )
{
}
virtual ~LaterDeleter()
{
if ( !m_disabled ) {
m_object->deleteLater();
}
}
void setDisabled( bool v )
{
m_disabled = v;
}
protected:
QObject *m_object;
bool m_disabled;
};
}
}
#endif
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