src/dolphinpackageinstaller.cpp

   1 /*
   2     This file is part of the KDE project
   3     SPDX-FileCopyrightText: 2024 Felix Ernst <felixernst@kde.org>
   4
   5     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
   6 */
   7
   8 #include "dolphinpackageinstaller.h"
   9
  10 #include <KLocalizedString>
  11
  12 #if HAVE_PACKAGEKIT
  13 #include <PackageKit/Daemon>
  14 #else
  15 #include <QDesktopServices>
  16 #endif
  17
  18 #include <QTimer>
  19 #include <QtAssert>
  20
  21 DolphinPackageInstaller::DolphinPackageInstaller(const QString &packageName,
  22                                                  const QUrl &fallBackInstallationPageUrl,
  23                                                  std::function<bool()> isPackageInstalledCheck,
  24                                                  QObject *parent)
  25     : KJob(parent)
  26     , m_packageName{packageName}
  27     , m_fallBackInstallationPageUrl{fallBackInstallationPageUrl}
  28     , m_isPackageInstalledCheck{isPackageInstalledCheck}
  29 {
  30 }
  31
  32 void DolphinPackageInstaller::start()
  33 {
  34     if (m_isPackageInstalledCheck()) {
  35         emitResult();
  36         return;
  37     }
  38
  39 #if HAVE_PACKAGEKIT
  40     PackageKit::Daemon::setHints(PackageKit::Daemon::hints() + QStringList{QStringLiteral("interactive=true")});
  41     const PackageKit::Transaction *resolveTransaction = PackageKit::Daemon::resolve(m_packageName);
  42
  43     connect(resolveTransaction, &PackageKit::Transaction::errorCode, this, &DolphinPackageInstaller::slotInstallationFailed);
  44     connect(resolveTransaction, &PackageKit::Transaction::finished, this, [this]() { // Will be disconnected if we find a package.
  45         slotInstallationFailed(PackageKit::Transaction::ErrorPackageNotFound,
  46                                i18nc("@info:shell about system packages", "Could not find package %1.", m_packageName));
  47     });
  48     connect(resolveTransaction,
  49             &PackageKit::Transaction::package,
  50             this,
  51             [this, resolveTransaction](PackageKit::Transaction::Info /* info */, const QString &packageId) {
  52                 disconnect(resolveTransaction, nullptr, this, nullptr); // We only care about the first package.
  53                 install(packageId);
  54             });
  55 #else
  56     QDesktopServices::openUrl(m_fallBackInstallationPageUrl);
  57     auto waitForSuccess = new QTimer(this);
  58     connect(waitForSuccess, &QTimer::timeout, this, [this]() {
  59         if (m_isPackageInstalledCheck()) {
  60             emitResult();
  61         }
  62     });
  63     waitForSuccess->start(3000);
  64 #endif
  65 }
  66
  67 #if HAVE_PACKAGEKIT
  68 void DolphinPackageInstaller::install(const QString &packageId)
  69 {
  70     const PackageKit::Transaction *installTransaction = PackageKit::Daemon::installPackage(packageId);
  71     connectTransactionToJobProgress(*installTransaction);
  72     connect(installTransaction,
  73             &PackageKit::Transaction::errorCode,
  74             this,
  75             [installTransaction, this](PackageKit::Transaction::Error error, const QString &details) {
  76                 disconnect(installTransaction, nullptr, this, nullptr); // We only want to emit a result once.
  77                 slotInstallationFailed(error, details);
  78             });
  79     connect(installTransaction,
  80             &PackageKit::Transaction::finished,
  81             this,
  82             [installTransaction, this](const PackageKit::Transaction::Exit status, uint /* runtime */) {
  83                 disconnect(installTransaction, nullptr, this, nullptr); // We only want to emit a result once.
  84                 if (status == PackageKit::Transaction::ExitSuccess) {
  85                     emitResult();
  86                 } else {
  87                     slotInstallationFailed(PackageKit::Transaction::ErrorUnknown,
  88                                            i18nc("@info %1 is error code",
  89                                                  "Installation exited without reporting success. (%1)",
  90                                                  QMetaEnum::fromType<PackageKit::Transaction::Exit>().valueToKey(status)));
  91                 }
  92             });
  93 }
  94
  95 void DolphinPackageInstaller::connectTransactionToJobProgress(const PackageKit::Transaction &transaction)
  96 {
  97     connect(&transaction, &PackageKit::Transaction::speedChanged, this, [this, &transaction]() {
  98         emitSpeed(transaction.speed());
  99     });
 100     connect(&transaction, &PackageKit::Transaction::percentageChanged, this, [this, &transaction]() {
 101         setPercent(transaction.percentage());
 102     });
 103 }
 104
 105 void DolphinPackageInstaller::slotInstallationFailed(PackageKit::Transaction::Error error, const QString &details)
 106 {
 107     setErrorString(xi18nc("@info:shell %1 is package name, %2 is error message, %3 is error e.g. 'ErrorNoNetwork'",
 108                           "Installing <application>%1</application> failed: %2 (%3)<nl/>Please try installing <application>%1</application> manually instead.",
 109                           m_packageName,
 110                           details,
 111                           QMetaEnum::fromType<PackageKit::Transaction::Error>().valueToKey(error)));
 112     setError(error);
 113     emitResult();
 114 }
 115 #endif