From ea49e0a48c2aba1c45920a06d8ef90ae9ce23891 Mon Sep 17 00:00:00 2001
From: Dmitry Gerasimov <d.gerasimov@omprussia.ru>
Date: Tue, 10 Sep 2019 17:41:08 +0300
Subject: [PATCH] [aboutsettings] Add property with localized OS name.
 Contributes to JB#47268

Localization is loaded from /etc/os-release-l10n, which has ini syntax:

    [en-US]
    NAME = Value

If there is no localization, value from /etc/os-release used as fallback.
---
 src/aboutsettings.cpp       | 40 +++++++++++++++++++++++++++++++++++++
 src/aboutsettings.h         |  3 +++
 src/plugin/plugins.qmltypes |  1 +
 3 files changed, 44 insertions(+)

diff --git a/src/aboutsettings.cpp b/src/aboutsettings.cpp
index 8f07cfc..4caeb7b 100644
--- a/src/aboutsettings.cpp
+++ b/src/aboutsettings.cpp
@@ -116,6 +116,39 @@ void parseReleaseFile(const QString &filename, QMap<QString, QString> *result)
     }
 }
 
+void parseLocalizationFile(const QString &filename, QMap<QString, QString> *result)
+{
+    if (!result->isEmpty()) {
+        return;
+    }
+
+    if (!QFile(filename).exists()) {
+        return;
+    }
+
+    QSettings localizations(filename, QSettings::IniFormat);
+    localizations.setIniCodec("UTF-8");
+
+    QStringList languages = QLocale::system().uiLanguages();
+    QStringList availableLanguages;
+
+    for (auto it = languages.crbegin(); it != languages.crend(); ++it) {
+        const auto &lang = *it;
+        if (localizations.childGroups().contains(lang)) {
+            availableLanguages.append(lang);
+        }
+    }
+
+    // Gradually load localizations, overridding least preferred with most preferred ones
+    for (const auto &lang : availableLanguages) {
+        localizations.beginGroup(lang);
+        for (const auto &key : localizations.childKeys()) {
+            result->insert(key, localizations.value(key).toString());
+        }
+        localizations.endGroup();
+    }
+}
+
 }
 
 AboutSettings::AboutSettings(QObject *parent)
@@ -189,6 +222,13 @@ QString AboutSettings::serial() const
     return QString();
 }
 
+QString AboutSettings::localizedOperatingSystemName() const
+{
+    parseLocalizationFile(QStringLiteral("/etc/os-release-l10n"), &m_osReleaseLocalization);
+
+    return m_osReleaseLocalization.value("NAME", operatingSystemName());
+}
+
 QString AboutSettings::baseOperatingSystemName() const
 {
     QString osName = operatingSystemName();
diff --git a/src/aboutsettings.h b/src/aboutsettings.h
index 384f8d0..6752135 100644
--- a/src/aboutsettings.h
+++ b/src/aboutsettings.h
@@ -47,6 +47,7 @@ class SYSTEMSETTINGS_EXPORT AboutSettings: public QObject
     Q_PROPERTY(QString wlanMacAddress READ wlanMacAddress CONSTANT)
     Q_PROPERTY(QString imei READ imei CONSTANT)
     Q_PROPERTY(QString serial READ serial CONSTANT)
+    Q_PROPERTY(QString localizedOperatingSystemName READ localizedOperatingSystemName CONSTANT)
     Q_PROPERTY(QString baseOperatingSystemName READ baseOperatingSystemName CONSTANT)
     Q_PROPERTY(QString operatingSystemName READ operatingSystemName CONSTANT)
     Q_PROPERTY(QString softwareVersion READ softwareVersion CONSTANT)
@@ -77,6 +78,7 @@ class SYSTEMSETTINGS_EXPORT AboutSettings: public QObject
     QString wlanMacAddress() const;
     QString imei() const;
     QString serial() const;
+    QString localizedOperatingSystemName() const;
     QString baseOperatingSystemName() const;
     QString operatingSystemName() const;
     QString softwareVersion() const;
@@ -100,6 +102,7 @@ class SYSTEMSETTINGS_EXPORT AboutSettings: public QObject
     PartitionManager m_partitionManager;
 
     mutable QMap<QString, QString> m_osRelease;
+    mutable QMap<QString, QString> m_osReleaseLocalization;
     mutable QMap<QString, QString> m_hardwareRelease;
 
     QString m_vendorName;
diff --git a/src/plugin/plugins.qmltypes b/src/plugin/plugins.qmltypes
index 09e8acc..5e95ba1 100644
--- a/src/plugin/plugins.qmltypes
+++ b/src/plugin/plugins.qmltypes
@@ -16,6 +16,7 @@ Module {
         Property { name: "wlanMacAddress"; type: "string"; isReadonly: true }
         Property { name: "imei"; type: "string"; isReadonly: true }
         Property { name: "serial"; type: "string"; isReadonly: true }
+        Property { name: "localizedOperatingSystemName"; type: "string"; isReadonly: true }
         Property { name: "baseOperatingSystemName"; type: "string"; isReadonly: true }
         Property { name: "operatingSystemName"; type: "string"; isReadonly: true }
         Property { name: "softwareVersion"; type: "string"; isReadonly: true }