Have a global Core::Launcher accessor

This allows to use Launcher in code executing before Sandbox is created

Telegram/SourceFiles/core/application.cpp

@@ -143,9 +143,8 @@ struct Application::Private {
 	Settings settings;
 };
 
-Application::Application(not_null<Launcher*> launcher)
+Application::Application()
 : QObject()
-, _launcher(launcher)
 , _private(std::make_unique<Private>())
 , _platformIntegration(Platform::Integration::Create())
 , _batterySaving(std::make_unique<base::BatterySaving>())
@@ -945,11 +944,11 @@ rpl::producer<> Application::materializeLocalDraftsRequests() const {
 void Application::switchDebugMode() {
 	if (Logs::DebugEnabled()) {
 		Logs::SetDebugEnabled(false);
-		_launcher->writeDebugModeSetting();
+		Launcher::Instance().writeDebugModeSetting();
 		Restart();
 	} else {
 		Logs::SetDebugEnabled(true);
-		_launcher->writeDebugModeSetting();
+		Launcher::Instance().writeDebugModeSetting();
 		DEBUG_LOG(("Debug logs started."));
 		if (_lastActivePrimaryWindow) {
 			_lastActivePrimaryWindow->hideLayer();
@@ -957,10 +956,6 @@ void Application::switchDebugMode() {
 	}
 }
 
-void Application::writeInstallBetaVersionsSetting() {
-	_launcher->writeInstallBetaVersionsSetting();
-}
-
 Main::Account &Application::activeAccount() const {
 	return _domain->active();
 }
@@ -1770,7 +1765,7 @@ void Application::RegisterUrlScheme() {
 		.executable = (!Platform::IsLinux() || !Core::UpdaterDisabled())
 			? (cExeDir() + cExeName())
 			: cExeName(),
-		.arguments = Sandbox::Instance().customWorkingDir()
+		.arguments = Launcher::Instance().customWorkingDir()
 			? u"-workdir \"%1\""_q.arg(cWorkingDir())
 			: QString(),
 		.protocol = u"tg"_q,

Telegram/SourceFiles/core/application.h

@@ -103,7 +103,6 @@ class Instance;
 
 namespace Core {
 
-class Launcher;
 struct LocalUrlHandler;
 class Settings;
 class Tray;
@@ -126,16 +125,13 @@ public:
 		MTP::ProxyData now;
 	};
 
-	Application(not_null<Launcher*> launcher);
+	Application();
 	Application(const Application &other) = delete;
 	Application &operator=(const Application &other) = delete;
 	~Application();
 
 	void run();
 
-	[[nodiscard]] Launcher &launcher() const {
-		return *_launcher;
-	}
 	[[nodiscard]] Platform::Integration &platformIntegration() const {
 		return *_platformIntegration;
 	}
@@ -319,7 +315,6 @@ public:
 	[[nodiscard]] rpl::producer<> materializeLocalDraftsRequests() const;
 
 	void switchDebugMode();
-	void writeInstallBetaVersionsSetting();
 
 	void preventOrInvoke(Fn<void()> &&callback);
 
@@ -381,7 +376,6 @@ private:
 	};
 	InstanceSetter _setter = { this };
 
-	const not_null<Launcher*> _launcher;
 	rpl::event_stream<ProxyChange> _proxyChanges;
 
 	// Some fields are just moved from the declaration.

Telegram/SourceFiles/core/crash_report_window.cpp

@@ -9,7 +9,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "core/crash_reports.h"
 #include "core/application.h"
-#include "core/launcher.h"
 #include "core/sandbox.h"
 #include "core/update_checker.h"
 #include "core/ui_integration.h"
@@ -250,7 +249,6 @@ LastCrashedWindow::UpdaterData::UpdaterData(QWidget *buttonParent)
 }
 
 LastCrashedWindow::LastCrashedWindow(
-	not_null<Core::Launcher*> launcher,
 	const QByteArray &crashdump,
 	Fn<void()> launch)
 : _dumpraw(crashdump)

Telegram/SourceFiles/core/crash_report_window.h

@@ -94,10 +94,7 @@ private:
 class LastCrashedWindow : public PreLaunchWindow {
 
 public:
-	LastCrashedWindow(
-		not_null<Core::Launcher*> launcher,
-		const QByteArray &crashdump,
-		Fn<void()> launch);
+	LastCrashedWindow(const QByteArray &crashdump, Fn<void()> launch);
 
 	rpl::producer<MTP::ProxyData> proxyChanges() const;
 

Telegram/SourceFiles/core/launcher.cpp

@@ -281,6 +281,8 @@ base::options::toggle OptionFractionalScalingEnabled({
 const char kOptionFractionalScalingEnabled[] = "fractional-scaling-enabled";
 const char kOptionFreeType[] = "freetype";
 
+Launcher *Launcher::InstanceSetter::Instance = nullptr;
+
 std::unique_ptr<Launcher> Launcher::Create(int argc, char *argv[]) {
 	return std::make_unique<Platform::Launcher>(argc, argv);
 }
@@ -294,6 +296,10 @@ Launcher::Launcher(int argc, char *argv[])
 	base::Integration::Set(&_baseIntegration);
 }
 
+Launcher::~Launcher() {
+	InstanceSetter::Instance = nullptr;
+}
+
 void Launcher::init() {
 	_arguments = readArguments(_argc, _argv);
 
@@ -558,7 +564,7 @@ void Launcher::processArguments() {
 
 int Launcher::executeApplication() {
 	FilteredCommandLineArguments arguments(_argc, _argv);
-	Sandbox sandbox(this, arguments.count(), arguments.values());
+	Sandbox sandbox(arguments.count(), arguments.values());
 	Ui::MainQueueProcessor processor;
 	base::ConcurrentTimerEnvironment environment;
 	return sandbox.start();

Telegram/SourceFiles/core/launcher.h

@@ -20,6 +20,12 @@ public:
 
 	static std::unique_ptr<Launcher> Create(int argc, char *argv[]);
 
+	static Launcher &Instance() {
+		Expects(InstanceSetter::Instance != nullptr);
+
+		return *InstanceSetter::Instance;
+	}
+
 	virtual int exec();
 
 	QString argumentsString() const;
@@ -32,7 +38,7 @@ public:
 	void writeDebugModeSetting();
 	void writeInstallBetaVersionsSetting();
 
-	virtual ~Launcher() = default;
+	virtual ~Launcher();
 
 protected:
 	enum class UpdaterLaunch {
@@ -61,6 +67,17 @@ private:
 
 	int executeApplication();
 
+	struct InstanceSetter {
+		InstanceSetter(not_null<Launcher*> instance) {
+			Expects(Instance == nullptr);
+
+			Instance = instance;
+		}
+
+		static Launcher *Instance;
+	};
+	InstanceSetter _setter = { this };
+
 	int _argc;
 	char **_argv;
 	QStringList _arguments;

Telegram/SourceFiles/core/sandbox.cpp

@@ -78,13 +78,9 @@ QString _escapeFrom7bit(const QString &str) {
 
 bool Sandbox::QuitOnStartRequested = false;
 
-Sandbox::Sandbox(
-	not_null<Core::Launcher*> launcher,
-	int &argc,
-	char **argv)
+Sandbox::Sandbox(int &argc, char **argv)
 : QApplication(argc, argv)
-, _mainThreadId(QThread::currentThreadId())
-, _launcher(launcher) {
+, _mainThreadId(QThread::currentThreadId()) {
 	setQuitOnLastWindowClosed(false);
 }
 
@@ -107,7 +103,8 @@ int Sandbox::start() {
 		hashMd5Hex(d.constData(), d.size(), h.data());
 		_lockFile = std::make_unique<QLockFile>(QDir::tempPath() + '/' + h + '-' + cGUIDStr());
 		_lockFile->setStaleLockTime(0);
-		if (!_lockFile->tryLock() && _launcher->customWorkingDir()) {
+		if (!_lockFile->tryLock()
+			&& Launcher::Instance().customWorkingDir()) {
 			// On Windows, QLockFile has problems detecting a stale lock
 			// if the machine's hostname contains characters outside the US-ASCII character set.
 			if constexpr (Platform::IsWindows()) {
@@ -200,7 +197,7 @@ void Sandbox::launchApplication() {
 		}
 		setupScreenScale();
 
-		_application = std::make_unique<Application>(_launcher);
+		_application = std::make_unique<Application>();
 
 		// Ideally this should go to constructor.
 		// But we want to catch all native events and Application installs
@@ -401,7 +398,6 @@ void Sandbox::singleInstanceChecked() {
 		}
 		_lastCrashDump = crashdump;
 		auto window = new LastCrashedWindow(
-			_launcher,
 			_lastCrashDump,
 			[=] { launchApplication(); });
 		window->proxyChanges(
@@ -529,14 +525,6 @@ void Sandbox::refreshGlobalProxy() {
 	}
 }
 
-bool Sandbox::customWorkingDir() const {
-	return _launcher->customWorkingDir();
-}
-
-uint64 Sandbox::installationTag() const {
-	return _launcher->installationTag();
-}
-
 void Sandbox::checkForEmptyLoopNestingLevel() {
 	// _loopNestingLevel == _eventNestingLevel means that we had a
 	// native event in a nesting loop that didn't get a notify() call

Telegram/SourceFiles/core/sandbox.h

@@ -19,7 +19,6 @@ class QLockFile;
 
 namespace Core {
 
-class Launcher;
 class UpdateChecker;
 class Application;
 
@@ -33,7 +32,7 @@ private:
 	}
 
 public:
-	Sandbox(not_null<Launcher*> launcher, int &argc, char **argv);
+	Sandbox(int &argc, char **argv);
 
 	Sandbox(const Sandbox &other) = delete;
 	Sandbox &operator=(const Sandbox &other) = delete;
@@ -41,8 +40,6 @@ public:
 	int start();
 
 	void refreshGlobalProxy();
-	bool customWorkingDir() const;
-	uint64 installationTag() const;
 
 	void postponeCall(FnMut<void()> &&callable);
 	bool notify(QObject *receiver, QEvent *e) override;
@@ -116,7 +113,6 @@ private:
 	std::vector<int> _previousLoopNestingLevels;
 	std::vector<PostponedCall> _postponedCalls;
 
-	not_null<Launcher*> _launcher;
 	std::unique_ptr<Application> _application;
 
 	QString _localServerName, _localSocketReadData;