[welcome] Drop RequirementsModel

- Use the one from libcalamares
- Massage warning message into Config after it was removed from the model

6 files changed, 69 insertions, 185 deletions

diff --git a/src/modules/welcome/Config.cpp b/src/modules/welcome/Config.cpp
index 43987f4b2..7258382c4 100644
--- a/src/modules/welcome/Config.cpp
+++ b/src/modules/welcome/Config.cpp
@@ -23,71 +23,12 @@
 #include "utils/Logger.h"
 #include "utils/Retranslator.h"
 
-void
-RequirementsModel::setRequirementsList( const Calamares::RequirementsList& requirements )
-{
-    CALAMARES_RETRANSLATE_SLOT( &RequirementsModel::retranslate )
-
-    emit beginResetModel();
-    m_requirements = requirements;
-
-    auto isUnSatisfied = []( const Calamares::RequirementEntry& e ) { return !e.satisfied; };
-    auto isMandatoryAndUnSatisfied = []( const Calamares::RequirementEntry& e ) { return e.mandatory && !e.satisfied; };
-
-    m_satisfiedRequirements = std::none_of( m_requirements.begin(), m_requirements.end(), isUnSatisfied );
-    m_satisfiedMandatory = std::none_of( m_requirements.begin(), m_requirements.end(), isMandatoryAndUnSatisfied );
-
-    emit satisfiedRequirementsChanged( m_satisfiedRequirements );
-    emit satisfiedMandatoryChanged();
-    emit endResetModel();
-}
-
-int
-RequirementsModel::rowCount( const QModelIndex& ) const
-{
-    return m_requirements.count();
-}
-
-QVariant
-RequirementsModel::data( const QModelIndex& index, int role ) const
-{
-    const auto requirement = m_requirements.at( index.row() );
-
-    switch ( role )
-    {
-    case Roles::Name:
-        return requirement.name;
-    case Roles::Details:
-        return requirement.enumerationText();
-    case Roles::NegatedText:
-        return requirement.negatedText();
-    case Roles::Satisfied:
-        return requirement.satisfied;
-    case Roles::Mandatory:
-        return requirement.mandatory;
-    default:
-        return QVariant();
-    }
-}
-
-QHash< int, QByteArray >
-RequirementsModel::roleNames() const
-{
-    static QHash< int, QByteArray > roles;
-    roles[ Roles::Name ] = "name";
-    roles[ Roles::Details ] = "details";
-    roles[ Roles::NegatedText ] = "negatedText";
-    roles[ Roles::Satisfied ] = "satisfied";
-    roles[ Roles::Mandatory ] = "mandatory";
-    return roles;
-}
-
 Config::Config( QObject* parent )
     : QObject( parent )
-    , m_requirementsModel( new RequirementsModel( this ) )
+    , m_requirementsModel( new Calamares::RequirementsModel( this ) )
     , m_languages( CalamaresUtils::Locale::availableTranslations() )
 {
-    connect( m_requirementsModel, &RequirementsModel::satisfiedRequirementsChanged, this, &Config::setIsNextEnabled );
+    connect( m_requirementsModel, &Calamares::RequirementsModel::satisfiedRequirementsChanged, this, &Config::setIsNextEnabled );
 
     initLanguages();
 
@@ -100,7 +41,44 @@ Config::retranslate()
     m_genericWelcomeMessage = genericWelcomeMessage().arg( *Calamares::Branding::VersionedName );
     emit genericWelcomeMessageChanged();
 
-    m_requirementsModel->retranslate();
+    if ( !m_requirementsModel->satisfiedRequirements() )
+    {
+        QString message;
+        const bool setup = Calamares::Settings::instance()->isSetupMode();
+
+        if ( !m_requirementsModel->satisfiedMandatory() )
+        {
+            message = setup ? tr( "This computer does not satisfy the minimum "
+                                  "requirements for setting up %1.<br/>"
+                                  "Setup cannot continue. "
+                                  "<a href=\"#details\">Details...</a>" )
+                            : tr( "This computer does not satisfy the minimum "
+                                  "requirements for installing %1.<br/>"
+                                  "Installation cannot continue. "
+                                  "<a href=\"#details\">Details...</a>" );
+        }
+        else
+        {
+            message = setup ? tr( "This computer does not satisfy some of the "
+                                  "recommended requirements for setting up %1.<br/>"
+                                  "Setup can continue, but some features "
+                                  "might be disabled." )
+                            : tr( "This computer does not satisfy some of the "
+                                  "recommended requirements for installing %1.<br/>"
+                                  "Installation can continue, but some features "
+                                  "might be disabled." );
+        }
+
+        m_warningMessage = message.arg( *Calamares::Branding::ShortVersionedName );
+    }
+    else
+    {
+        m_warningMessage = tr( "This program will ask you some questions and "
+                               "set up %2 on your computer." )
+                               .arg( *Calamares::Branding::ProductName );
+    }
+
+    emit warningMessageChanged();
 }
 
 CalamaresUtils::Locale::LabelModel*
@@ -197,7 +175,7 @@ Config::setLocaleIndex( const int& index )
     emit localeIndexChanged( m_localeIndex );
 }
 
-RequirementsModel&
+Calamares::RequirementsModel&
 Config::requirementsModel() const
 {
     return *m_requirementsModel;
@@ -262,51 +240,8 @@ Config::setSupportUrl( const QString& url )
     emit supportUrlChanged();
 }
 
-void
-RequirementsModel::retranslate()
-{
-    if ( !m_satisfiedRequirements )
-    {
-        QString message;
-        const bool setup = Calamares::Settings::instance()->isSetupMode();
-
-        if ( !m_satisfiedMandatory )
-        {
-            message = setup ? tr( "This computer does not satisfy the minimum "
-                                  "requirements for setting up %1.<br/>"
-                                  "Setup cannot continue. "
-                                  "<a href=\"#details\">Details...</a>" )
-                            : tr( "This computer does not satisfy the minimum "
-                                  "requirements for installing %1.<br/>"
-                                  "Installation cannot continue. "
-                                  "<a href=\"#details\">Details...</a>" );
-        }
-        else
-        {
-            message = setup ? tr( "This computer does not satisfy some of the "
-                                  "recommended requirements for setting up %1.<br/>"
-                                  "Setup can continue, but some features "
-                                  "might be disabled." )
-                            : tr( "This computer does not satisfy some of the "
-                                  "recommended requirements for installing %1.<br/>"
-                                  "Installation can continue, but some features "
-                                  "might be disabled." );
-        }
-
-        m_warningMessage = message.arg( *Calamares::Branding::ShortVersionedName );
-    }
-    else
-    {
-        m_warningMessage = tr( "This program will ask you some questions and "
-                               "set up %2 on your computer." )
-                               .arg( *Calamares::Branding::ProductName );
-    }
-
-    emit warningMessageChanged();
-}
-
 QString
-Config::genericWelcomeMessage()
+Config::genericWelcomeMessage() const
 {
     QString message;
 
@@ -325,3 +260,8 @@ Config::genericWelcomeMessage()
 
     return message;
 }
+
+QString Config::warningMessage() const
+{
+    return m_warningMessage;
+}
diff --git a/src/modules/welcome/Config.h b/src/modules/welcome/Config.h
index 389a45eec..e8cb35e52 100644
--- a/src/modules/welcome/Config.h
+++ b/src/modules/welcome/Config.h
@@ -19,79 +19,18 @@
 #ifndef WELCOME_CONFIG_H
 #define WELCOME_CONFIG_H
 
-#include "modulesystem/Requirement.h"
 #include "locale/LabelModel.h"
+#include "modulesystem/Requirement.h"
+#include "modulesystem/RequirementsModel.h"
 
 #include <QObject>
 #include <QUrl>
 
-// TODO: move this (and modulesystem/Requirement) to libcalamares
-class RequirementsModel : public QAbstractListModel
-{
-    Q_OBJECT
-    Q_PROPERTY( bool satisfiedRequirements READ satisfiedRequirements NOTIFY satisfiedRequirementsChanged FINAL )
-    Q_PROPERTY( bool satisfiedMandatory READ satisfiedMandatory NOTIFY satisfiedMandatoryChanged FINAL )
-    Q_PROPERTY( QString warningMessage READ warningMessage NOTIFY warningMessageChanged FINAL )
-
-public:
-    using QAbstractListModel::QAbstractListModel;
-
-    enum Roles : short
-    {
-        Name,
-        Satisfied,
-        Mandatory,
-        Details,
-        NegatedText,
-        HasDetails
-    };
-
-    bool satisfiedRequirements() const { return m_satisfiedRequirements; }
-
-    bool satisfiedMandatory() const { return m_satisfiedMandatory; }
-
-    const Calamares::RequirementEntry& getEntry( const int& index ) const
-    {
-        if ( index > count() || index < 0 )
-        {
-            return *( new Calamares::RequirementEntry() );
-        }
-
-        return m_requirements.at( index );
-    }
-
-    void setRequirementsList( const Calamares::RequirementsList& requirements );
-    int rowCount( const QModelIndex& ) const override;
-    int count() const { return m_requirements.count(); }
-
-    QString warningMessage() const { return m_warningMessage; }
-
-    void retranslate();
-
-    QVariant data( const QModelIndex& index, int role ) const override;
-
-protected:
-    QHash< int, QByteArray > roleNames() const override;
-
-private:
-    Calamares::RequirementsList m_requirements;
-    bool m_satisfiedRequirements = false;
-    bool m_satisfiedMandatory = false;
-
-    QString m_warningMessage;
-
-signals:
-    void satisfiedRequirementsChanged( bool value );
-    void satisfiedMandatoryChanged();
-    void warningMessageChanged();
-};
-
-
 class Config : public QObject
 {
     Q_OBJECT
     Q_PROPERTY( CalamaresUtils::Locale::LabelModel* languagesModel READ languagesModel CONSTANT FINAL )
-    Q_PROPERTY( RequirementsModel* requirementsModel MEMBER m_requirementsModel CONSTANT FINAL )
+    Q_PROPERTY( Calamares::RequirementsModel* requirementsModel MEMBER m_requirementsModel CONSTANT FINAL )
 
     Q_PROPERTY( QString languageIcon READ languageIcon CONSTANT FINAL )
 
@@ -99,6 +38,7 @@ class Config : public QObject
     Q_PROPERTY( int localeIndex READ localeIndex WRITE setLocaleIndex NOTIFY localeIndexChanged )
 
     Q_PROPERTY( QString genericWelcomeMessage MEMBER m_genericWelcomeMessage NOTIFY genericWelcomeMessageChanged FINAL )
+    Q_PROPERTY( QString warningMessage READ warningMessage NOTIFY warningMessageChanged FINAL )
 
     Q_PROPERTY( QString supportUrl MEMBER m_supportUrl NOTIFY supportUrlChanged FINAL )
     Q_PROPERTY( QString knownIssuesUrl MEMBER m_knownIssuesUrl NOTIFY knownIssuesUrlChanged FINAL )
@@ -111,7 +51,7 @@ public:
     Config( QObject* parent = nullptr );
     void setCountryCode( const QString& countryCode );
     void setLanguageIcon( const QString& languageIcon );
-    RequirementsModel& requirementsModel() const;
+    Calamares::RequirementsModel& requirementsModel() const;
 
     void setIsNextEnabled( const bool& isNextEnabled );
 
@@ -130,8 +70,8 @@ public:
     QString donateUrl() const;
     void setDonateUrl( const QString& url );
 
-    QString genericWelcomeMessage();
-
+    QString genericWelcomeMessage() const;
+    QString warningMessage() const;
 
 public slots:
     CalamaresUtils::Locale::LabelModel* languagesModel() const;
@@ -141,7 +81,7 @@ public slots:
 private:
     void initLanguages();
     QVariantMap m_configurationMap;
-    RequirementsModel* m_requirementsModel;
+    Calamares::RequirementsModel* m_requirementsModel;
     QString m_languageIcon;
     QString m_countryCode;
     int m_localeIndex = 0;
@@ -149,6 +89,7 @@ private:
     CalamaresUtils::Locale::LabelModel* m_languages;
 
     QString m_genericWelcomeMessage;
+    QString m_warningMessage;
 
     QString m_supportUrl;
     QString m_knownIssuesUrl;
@@ -159,7 +100,10 @@ signals:
     void countryCodeChanged( QString countryCode );
     void localeIndexChanged( int localeIndex );
     void isNextEnabledChanged( bool isNextEnabled );
+
     void genericWelcomeMessageChanged();
+    void warningMessageChanged();
+
     void supportUrlChanged();
     void knownIssuesUrlChanged();
     void releaseNotesUrlChanged();
diff --git a/src/modules/welcome/checker/CheckerContainer.cpp b/src/modules/welcome/checker/CheckerContainer.cpp
index 0e790fbb4..10da425ab 100644
--- a/src/modules/welcome/checker/CheckerContainer.cpp
+++ b/src/modules/welcome/checker/CheckerContainer.cpp
@@ -31,7 +31,7 @@
 
 #include <QHBoxLayout>
 
-CheckerContainer::CheckerContainer( const RequirementsModel &model, QWidget* parent )
+CheckerContainer::CheckerContainer( const Calamares::RequirementsModel &model, QWidget* parent )
     : QWidget( parent )
     , m_waitingWidget( new WaitingWidget( QString(), this ) )
     , m_checkerWidget( nullptr )
diff --git a/src/modules/welcome/checker/CheckerContainer.h b/src/modules/welcome/checker/CheckerContainer.h
index f38f198ea..5ebefa36e 100644
--- a/src/modules/welcome/checker/CheckerContainer.h
+++ b/src/modules/welcome/checker/CheckerContainer.h
@@ -40,7 +40,7 @@ class CheckerContainer : public QWidget
 {
     Q_OBJECT
 public:
-    explicit CheckerContainer(const RequirementsModel &model, QWidget* parent = nullptr );
+    explicit CheckerContainer(const Calamares::RequirementsModel &model, QWidget* parent = nullptr );
     virtual ~CheckerContainer();
 
     bool verdict() const;
@@ -58,7 +58,7 @@ protected:
     bool m_verdict;
 
 private:
-    const RequirementsModel &m_model;
+    const Calamares::RequirementsModel &m_model;
 } ;
 
 #endif
diff --git a/src/modules/welcome/checker/ResultsListWidget.cpp b/src/modules/welcome/checker/ResultsListWidget.cpp
index 275010b2f..c16cda4c4 100644
--- a/src/modules/welcome/checker/ResultsListWidget.cpp
+++ b/src/modules/welcome/checker/ResultsListWidget.cpp
@@ -47,7 +47,7 @@
 static void
 createResultWidgets( QLayout* layout,
                      QList< ResultWidget* >& resultWidgets,
-                     const RequirementsModel &model,
+                     const Calamares::RequirementsModel &model,
                      std::function< bool( const Calamares::RequirementEntry& ) > predicate
                    )
 {
@@ -94,18 +94,18 @@ public:
      * The list must continue to exist for the lifetime of the dialog,
      * or UB happens.
      */
-    ResultsListDialog( const RequirementsModel& model, QWidget* parent );
+    ResultsListDialog( const Calamares::RequirementsModel& model, QWidget* parent );
     virtual ~ResultsListDialog();
 
 private:
     QLabel* m_title;
     QList< ResultWidget* > m_resultWidgets;  ///< One widget for each entry with details available
-    const RequirementsModel& m_model;
+    const Calamares::RequirementsModel& m_model;
 
     void retranslate();
 };
 
-ResultsListDialog::ResultsListDialog( const RequirementsModel& model, QWidget* parent)
+ResultsListDialog::ResultsListDialog( const Calamares::RequirementsModel& model, QWidget* parent)
     : QDialog( parent )
     , m_model( model )
 {
@@ -151,7 +151,7 @@ ResultsListDialog::retranslate()
 }
 
 
-ResultsListWidget::ResultsListWidget( const RequirementsModel &model, QWidget* parent )
+ResultsListWidget::ResultsListWidget( const Calamares::RequirementsModel &model, QWidget* parent )
     : QWidget( parent )
     , m_model( model )
 {
diff --git a/src/modules/welcome/checker/ResultsListWidget.h b/src/modules/welcome/checker/ResultsListWidget.h
index eb1bdb611..05a8adfa4 100644
--- a/src/modules/welcome/checker/ResultsListWidget.h
+++ b/src/modules/welcome/checker/ResultsListWidget.h
@@ -30,7 +30,7 @@ class ResultsListWidget : public QWidget
 {
     Q_OBJECT
 public:
-    explicit ResultsListWidget(const RequirementsModel  &model,  QWidget* parent);
+    explicit ResultsListWidget(const Calamares::RequirementsModel  &model,  QWidget* parent);
 
 private:
     /// @brief A link in the explanatory text has been clicked
@@ -38,7 +38,7 @@ private:
     void retranslate();
 
     QLabel* m_explanation = nullptr;  ///< Explanatory text above the list, with link
-    const RequirementsModel &m_model;
+    const Calamares::RequirementsModel &m_model;
     QList< ResultWidget* > m_resultWidgets;  ///< One widget for each unsatisfied entry
 };