WIP: new prepare viewmodule, with free space check using libparted.

2025-06-28 09:55:37 -04:00 · 2014-08-21 17:50:37 +02:00 · 2014-08-21 17:50:37 +02:00 · 9563b2efc7
commit 9563b2efc7
parent 1bb6603998
10 changed files with 600 additions and 0 deletions
--- a/src/modules/prepare/PrepareViewStep.cpp
+++ b/src/modules/prepare/PrepareViewStep.cpp
@ -0,0 +1,207 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PrepareViewStep.h"
+
+#include "PreparePage.h"
+#include "partman_devices.h"
+
+#include "widgets/QtWaitingSpinner.h"
+#include "utils/CalamaresUtilsGui.h"
+#include "utils/Logger.h"
+
+#include <QBoxLayout>
+#include <QLabel>
+
+PrepareViewStep::PrepareViewStep( QObject* parent )
+    : Calamares::ViewStep( parent )
+    , m_widget( new QWidget() )
+    , m_actualWidget( new PreparePage() )
+    , m_nextEnabled( false )
+    , m_requiredSpaceGB( -1 )
+{
+    QBoxLayout* mainLayout = new QHBoxLayout;
+    m_widget->setLayout( mainLayout );
+    CalamaresUtils::unmarginLayout( mainLayout );
+
+    QWidget* waitingWidget = new QWidget;
+    {
+        QBoxLayout* waitingLayout = new QVBoxLayout;
+        waitingWidget->setLayout( waitingLayout );
+        waitingLayout->addStretch();
+        QBoxLayout* pbLayout = new QHBoxLayout;
+        waitingLayout->addLayout( pbLayout );
+        pbLayout->addStretch();
+
+        QtWaitingSpinner* spnr = new QtWaitingSpinner();
+        pbLayout->addWidget( spnr );
+
+        pbLayout->addStretch();
+
+        QLabel* waitingLabel = new QLabel( "Gathering system information..." );
+
+        int spnrSize = waitingLabel->fontMetrics().height() * 4;
+        spnr->setFixedSize( spnrSize, spnrSize );
+        spnr->setRadius( spnrSize / 2 );
+        spnr->setLength( spnrSize / 2 );
+        spnr->setWidth( spnrSize / 8 );
+        spnr->start();
+
+        waitingLabel->setAlignment( Qt::AlignCenter);
+        waitingLayout->addSpacing( spnrSize / 2 );
+        waitingLayout->addWidget( waitingLabel );
+        waitingLayout->addStretch();
+
+        mainLayout->addWidget( waitingWidget );
+
+        CalamaresUtils::unmarginLayout( waitingLayout );
+    }
+
+    QTimer* timer = new QTimer;
+    timer->setSingleShot( true );
+    connect( timer, &QTimer::timeout,
+             [=]()
+    {
+        bool bigEnough, hasPower, hasInternet;
+        qint64 requiredSpaceB = m_requiredSpaceGB * 1073741824L; /*powers of 2*/
+        cDebug() << "Need at least bytes:" << requiredSpaceB;
+        bigEnough = checkBigEnough( requiredSpaceB );
+        hasPower = checkHasPower();
+        hasInternet = checkHasInternet();
+        cDebug() << "bigEnough, hasPower, hasInternet: "
+                 << bigEnough << hasPower << hasInternet;
+
+        m_actualWidget->init();
+        m_widget->layout()->removeWidget( waitingWidget );
+        waitingWidget->deleteLater();
+        m_widget->layout()->addWidget( m_actualWidget );
+        m_nextEnabled = true;
+        emit nextStatusChanged( m_nextEnabled );
+        timer->deleteLater();
+    } );
+    timer->start( 0 );
+
+    emit nextStatusChanged( true );
+}
+
+
+PrepareViewStep::~PrepareViewStep()
+{
+    if ( m_widget && m_widget->parent() == nullptr )
+        m_widget->deleteLater();
+}
+
+
+QString
+PrepareViewStep::prettyName() const
+{
+    return tr( "Prepare" );
+}
+
+
+QWidget*
+PrepareViewStep::widget()
+{
+    return m_widget;
+}
+
+
+void
+PrepareViewStep::next()
+{
+    emit done();
+}
+
+
+void
+PrepareViewStep::back()
+{}
+
+
+bool
+PrepareViewStep::isNextEnabled() const
+{
+    return m_nextEnabled;
+}
+
+
+bool
+PrepareViewStep::isAtBeginning() const
+{
+    return true;
+}
+
+
+bool
+PrepareViewStep::isAtEnd() const
+{
+    return true;
+}
+
+
+QList< Calamares::job_ptr >
+PrepareViewStep::jobs() const
+{
+    return QList< Calamares::job_ptr >();
+}
+
+
+void
+PrepareViewStep::onLeave()
+{
+}
+
+
+void
+PrepareViewStep::setConfigurationMap( const QVariantMap& configurationMap )
+{
+    if ( configurationMap.contains( "requiredSpace" ) &&
+         configurationMap.value( "requiredSpace" ).type() == QVariant::Double )
+    {
+        bool ok = false;
+        m_requiredSpaceGB = configurationMap.value( "requiredSpace" ).toDouble( &ok );
+        if ( !ok )
+            m_requiredSpaceGB = 3.;
+    }
+    else
+    {
+        m_requiredSpaceGB = 3.;
+    }
+}
+
+
+bool
+PrepareViewStep::checkBigEnough( qint64 requiredSpace )
+{
+    return check_big_enough( requiredSpace );
+}
+
+
+bool
+PrepareViewStep::checkHasPower()
+{
+    return false;
+}
+
+
+bool
+PrepareViewStep::checkHasInternet()
+{
+    return false;
+}
+