transmission/qt/freespace-label.cc

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/*
* This file Copyright (C) Mnemosyne LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* $Id:$
*/
#include <libtransmission/transmission.h>
#include <libtransmission/variant.h>
#include "formatter.h"
#include "freespace-label.h"
#include "session.h"
namespace
{
static const int INTERVAL_MSEC = 15000;
}
FreespaceLabel :: FreespaceLabel (Session & session,
const QString & path,
QWidget * parent):
QLabel (parent),
mySession (session),
myTag (-1),
myTimer (this)
{
myTimer.setSingleShot (false);
myTimer.setInterval (INTERVAL_MSEC);
myTimer.start ();
connect (&myTimer, SIGNAL(timeout()), this, SLOT(onTimer()));
connect (&mySession, SIGNAL(executed(qint64, const QString&, struct tr_variant*)),
this, SLOT(onSessionExecuted(qint64, const QString&, struct tr_variant*)));
setPath (path);
}
void
FreespaceLabel :: setPath (const QString& path)
{
if (myPath != path)
{
setText (tr("<i>Calculating Free Space...</i>"));
myPath = path;
onTimer ();
}
}
void
FreespaceLabel :: onTimer ()
{
const qint64 tag = mySession.getUniqueTag ();
const QByteArray myPathUtf8 = myPath.toUtf8 ();
myTag = tag;
tr_variant top;
tr_variantInitDict (&top, 3);
tr_variantDictAddStr (&top, TR_KEY_method, "free-space");
tr_variantDictAddInt (&top, TR_KEY_tag, tag);
tr_variant * args = tr_variantDictAddDict (&top, TR_KEY_arguments, 1);
tr_variantDictAddStr (args, TR_KEY_path, myPathUtf8.constData());
mySession.exec (&top);
tr_variantFree (&top);
}
void
FreespaceLabel :: onSessionExecuted (qint64 tag, const QString& result, struct tr_variant * arguments)
{
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Q_UNUSED (result);
if (tag != myTag)
return;
QString str;
// update the label
qint64 bytes = -1;
tr_variantDictFindInt (arguments, TR_KEY_size_bytes, &bytes);
if (bytes >= 0)
setText (tr("%1 free").arg(Formatter::sizeToString (bytes)));
else
setText ("");
// update the tooltip
size_t len = 0;
const char * path = 0;
tr_variantDictFindStr (arguments, TR_KEY_path, &path, &len);
str = QString::fromUtf8 (path, len);
setToolTip (str);
}