103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
// This file Copyright © Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <cstdint>
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#include <QDir>
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#include <QLabel>
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#include <QString>
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#include <QWidget>
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#include <libtransmission/transmission.h>
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#include <libtransmission/quark.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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if (auto const bytes = dictFind<int64_t>(r.args.get(), TR_KEY_size_bytes); bytes && *bytes > 1)
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{
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setText(tr("%1 free").arg(Formatter::storage_to_string(*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.value_or(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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