106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
/*
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* This file Copyright (C) 2013-2016 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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*/
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#include <QDir>
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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 "FreeSpaceLabel.h"
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#include "RpcQueue.h"
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#include "Session.h"
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namespace
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{
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int const INTERVAL_MSEC = 15000;
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} // namespace
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FreeSpaceLabel::FreeSpaceLabel(QWidget* parent) :
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QLabel(parent),
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mySession(nullptr),
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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 FreeSpaceLabel::setSession(Session& session)
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{
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if (mySession == &session)
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{
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return;
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}
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mySession = &session;
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onTimer();
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}
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void FreeSpaceLabel::setPath(QString const& 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 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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{
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return;
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}
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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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auto* q = new RpcQueue();
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q->add([this, &args]()
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{
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return mySession->exec("free-space", &args);
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});
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q->add([this](RpcResponse const& r)
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{
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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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if (tr_variantDictFindInt(r.args.get(), TR_KEY_size_bytes, &bytes) && bytes >= 0)
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{
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setText(tr("%1 free").arg(Formatter::sizeToString(bytes)));
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}
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else
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{
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setText(QString());
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}
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// update the tooltip
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size_t len = 0;
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char const* path = nullptr;
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tr_variantDictFindStr(r.args.get(), TR_KEY_path, &path, &len);
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str = QString::fromUtf8(path, len);
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setToolTip(QDir::toNativeSeparators(str));
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myTimer.start();
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});
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q->run();
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}
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