105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
/*
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* This file Copyright (C) 2013-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <libtransmission/transmission.h>
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#include <libtransmission/variant.h>
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#include "formatter.h"
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#include "freespace-label.h"
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#include "session.h"
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namespace
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{
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static const int INTERVAL_MSEC = 15000;
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}
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FreespaceLabel::FreespaceLabel (QWidget * parent):
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QLabel (parent),
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mySession (nullptr),
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myTag (-1),
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myTimer (this)
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{
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myTimer.setSingleShot (true);
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myTimer.setInterval (INTERVAL_MSEC);
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connect (&myTimer, SIGNAL (timeout ()), this, SLOT (onTimer ()));
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}
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void
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FreespaceLabel::setSession (Session& session)
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{
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if (mySession == &session)
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return;
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if (mySession != nullptr)
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disconnect (mySession, nullptr, this, nullptr);
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mySession = &session;
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connect (mySession, SIGNAL (executed (int64_t, QString, tr_variant *)),
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this, SLOT (onSessionExecuted (int64_t, QString, tr_variant *)));
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onTimer ();
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}
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void
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FreespaceLabel::setPath (const QString& path)
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{
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if (myPath != path)
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{
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setText (tr("<i>Calculating Free Space...</i>"));
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myPath = path;
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onTimer ();
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}
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}
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void
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FreespaceLabel::onTimer ()
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{
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myTimer.stop ();
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if (mySession == nullptr || myPath.isEmpty ())
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return;
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tr_variant args;
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tr_variantInitDict (&args, 1);
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tr_variantDictAddStr (&args, TR_KEY_path, myPath.toUtf8 ().constData());
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myTag = mySession->getUniqueTag ();
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mySession->exec ("free-space", &args, myTag);
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}
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void
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FreespaceLabel::onSessionExecuted (int64_t tag, const QString& result, tr_variant * arguments)
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{
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Q_UNUSED (result);
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if (tag != myTag)
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return;
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QString str;
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// update the label
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int64_t bytes = -1;
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tr_variantDictFindInt (arguments, TR_KEY_size_bytes, &bytes);
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if (bytes >= 0)
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setText (tr("%1 free").arg(Formatter::sizeToString (bytes)));
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else
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setText (QString ());
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// update the tooltip
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size_t len = 0;
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const char * path = 0;
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tr_variantDictFindStr (arguments, TR_KEY_path, &path, &len);
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str = QString::fromUtf8 (path, len);
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setToolTip (str);
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myTimer.start ();
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}
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