Refactor parts of the Steam API support

To make the code a bit cleaner, ensure the steam api class is only
initialized if Steam support is needed. Also shuts down the steam api
too.

launcher/include/launchercore.h

@@ -87,7 +87,7 @@ public:
     ProfileManager *profileManager();
     AccountManager *accountManager();
 
-    void setIsSteam(bool isSteam);
+    void initializeSteam();
 
     /*
      * Begins the login process, and may call SquareBoot or SapphireLauncher depending on the profile type.

launcher/include/steamapi.h

@@ -11,6 +11,7 @@ class SteamAPI : public QObject
 {
 public:
     explicit SteamAPI(LauncherCore &core, QObject *parent = nullptr);
+    ~SteamAPI();
 
     void setLauncherMode(bool isLauncher);
 

launcher/src/launchercore.cpp

@@ -65,7 +65,9 @@ void LauncherCore::buildRequest(const Profile &settings, QNetworkRequest &reques
 
 void LauncherCore::launchGame(Profile &profile, const LoginAuth &auth)
 {
+    if (m_steamApi != nullptr) {
         m_steamApi->setLauncherMode(false);
+    }
 
     beginGameExecutable(profile, auth);
 }
@@ -397,13 +399,10 @@ LauncherCore::LauncherCore()
     m_sapphireLauncher = new SapphireLauncher(*this, this);
     m_squareLauncher = new SquareLauncher(*this, this);
     m_squareBoot = new SquareBoot(*this, *m_squareLauncher, this);
-    m_steamApi = new SteamAPI(*this, this);
     m_profileManager = new ProfileManager(*this, this);
     m_accountManager = new AccountManager(*this, this);
 
     readInitialInformation();
-
-    m_steamApi->setLauncherMode(true);
 }
 
 bool LauncherCore::checkIfInPath(const QString &program)
@@ -765,12 +764,11 @@ bool LauncherCore::isSteam() const
 
 bool LauncherCore::isSteamDeck() const
 {
+    if (m_steamApi != nullptr) {
         return m_steamApi->isDeck();
+    } else {
+        return false;
     }
-
-void LauncherCore::setIsSteam(bool isSteam)
-{
-    m_isSteam = isSteam;
 }
 
 Profile *LauncherCore::currentProfile() const
@@ -797,3 +795,10 @@ void LauncherCore::clearAvatarCache()
         QDir(cacheLocation).removeRecursively();
     }
 }
+
+void LauncherCore::initializeSteam()
+{
+    m_isSteam = true;
+    m_steamApi = new SteamAPI(*this, this);
+    m_steamApi->setLauncherMode(true);
+}

launcher/src/main.cpp

@@ -6,6 +6,7 @@
 #include <KLocalizedString>
 #include <QApplication>
 #include <QCommandLineParser>
+#include <QMessageBox>
 #include <QQuickStyle>
 #include <QtWebView>
 #include <qcoroqml.h>
@@ -67,24 +68,37 @@ int main(int argc, char *argv[])
     parser.parse(QCoreApplication::arguments());
     about.processCommandLine(&parser);
 
-#ifdef ENABLE_STEAM
+    // We must handle these manually, since we use parse() and not process()
+    if (parser.isSet("help")) {
+        parser.showHelp();
+    }
+
+    if (parser.isSet("version")) {
+        parser.showVersion();
+    }
+
     if (parser.isSet(steamOption)) {
+#ifndef ENABLE_STEAM
+        QMessageBox::warning(nullptr,
+                             i18n("Warning"),
+                             i18n("You somehow launched Astra through Steam, despite it not being compiled with Steam support. Some features may not work!"));
+#endif
+
         const QStringList args = parser.positionalArguments();
         // Steam tries to use as a compatibility tool, running installation scripts (like DirectX), so try to ignore it.
-        if (!args[0].contains(QLatin1String("ffxivboot.exe"))) {
+        if (!args.empty() && !args[0].contains(QLatin1String("ffxivboot.exe"))) {
             return 0;
         }
     }
-#endif
 
     QCoro::Qml::registerTypes();
 
     QQmlApplicationEngine engine;
 
-#ifdef ENABLE_STEAM
     auto core = engine.singletonInstance<LauncherCore *>(QStringLiteral("zone.xiv.astra"), QStringLiteral("LauncherCore"));
-    core->setIsSteam(parser.isSet(steamOption));
+    if (parser.isSet(steamOption)) {
-#endif
+        core->initializeSteam();
+    }
 
     engine.rootContext()->setContextObject(new KLocalizedContext(&engine));
     QObject::connect(&engine, &QQmlApplicationEngine::quit, &app, &QCoreApplication::quit);

launcher/src/steamapi.cpp

@@ -24,12 +24,15 @@ SteamAPI::SteamAPI(LauncherCore &core, QObject *parent)
 #endif
 }
 
+SteamAPI::~SteamAPI()
+{
+    SteamAPI_Shutdown();
+}
+
 void SteamAPI::setLauncherMode(bool isLauncher)
 {
 #ifdef ENABLE_STEAM
-    if (core.isSteam()) {
     SteamUtils()->SetGameLauncherMode(isLauncher);
-    }
 #else
     Q_UNUSED(isLauncher)
 #endif
@@ -38,11 +41,7 @@ void SteamAPI::setLauncherMode(bool isLauncher)
 bool SteamAPI::isDeck() const
 {
 #ifdef ENABLE_STEAM
-    if (core.isSteam()) {
     return SteamUtils()->IsSteamRunningOnSteamDeck();
-    } else {
-        return false;
-    }
 #else
     return false;
 #endif