101 lines
2.0 KiB
C++
101 lines
2.0 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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#include "VariantHelpers.h"
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using ::trqt::variant_helpers::dictAdd;
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using ::trqt::variant_helpers::dictFind;
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namespace
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{
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int const IntervalMSec = 15000;
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} // namespace
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FreeSpaceLabel::FreeSpaceLabel(QWidget* parent)
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: QLabel(parent)
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, timer_(this)
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{
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timer_.setSingleShot(true);
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timer_.setInterval(IntervalMSec);
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connect(&timer_, &QTimer::timeout, this, &FreeSpaceLabel::onTimer);
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}
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void FreeSpaceLabel::setSession(Session& session)
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{
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if (session_ == &session)
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{
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return;
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}
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session_ = &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 (path_ != path)
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{
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setText(tr("<i>Calculating Free Space...</i>"));
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path_ = 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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timer_.stop();
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if (session_ == nullptr || path_.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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dictAdd(&args, TR_KEY_path, path_);
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auto* q = new RpcQueue(this);
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q->add([this, &args]() { return session_->exec("free-space", &args); });
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q->add(
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[this](RpcResponse const& r)
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{
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// update the label
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auto const bytes = dictFind<int64_t>(r.args.get(), TR_KEY_size_bytes);
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if (bytes && *bytes > 1)
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{
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setText(tr("%1 free").arg(Formatter::get().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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auto const path = dictFind<QString>(r.args.get(), TR_KEY_path);
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setToolTip(QDir::toNativeSeparators(path ? *path : QString()));
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timer_.start();
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});
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q->run();
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}
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