BareMetal: Move DebugServerProviderManager closer to new setup system

Change-Id: Ic8029b0436d4c0e86e0f707632139a2074b296eb
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/baremetal/baremetalplugin.cpp

@@ -4,11 +4,9 @@
 
 #include "baremetalplugin.h"
 
-#include "baremetalconstants.h"
 #include "baremetaldebugsupport.h"
 #include "baremetaldevice.h"
 #include "baremetalrunconfiguration.h"
-#include "baremetaltr.h"
 
 #include "debugserverprovidermanager.h"
 
@@ -18,25 +16,10 @@
 
 namespace BareMetal::Internal {
 
-// BareMetalPluginPrivate
-
-class BareMetalPluginPrivate
-{
-public:
-    DebugServerProviderManager debugServerProviderManager;
-};
-
 // BareMetalPlugin
 
-BareMetalPlugin::~BareMetalPlugin()
-{
-    delete d;
-}
-
 void BareMetalPlugin::initialize()
 {
-    d = new BareMetalPluginPrivate;
-
     setupBareMetalDevice();
 
     setupIarToolChain();
@@ -49,7 +32,7 @@ void BareMetalPlugin::initialize()
 
 void BareMetalPlugin::extensionsInitialized()
 {
-    DebugServerProviderManager::instance()->restoreProviders();
+    setupDebugServerProviderManager(this);
 }
 
 } // BareMetal::Internal

src/plugins/baremetal/baremetalplugin.h

@@ -13,13 +13,9 @@ class BareMetalPlugin final : public ExtensionSystem::IPlugin
    Q_OBJECT
    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QtCreatorPlugin" FILE "BareMetal.json")
 
-   ~BareMetalPlugin() final;
-
    void initialize() final;
    void extensionsInitialized() final;
 
-   class BareMetalPluginPrivate *d = nullptr;
-
 #ifdef WITH_TESTS
 private slots:
    void testIarOutputParsers_data();

src/plugins/baremetal/debugserverprovidermanager.cpp

@@ -33,8 +33,6 @@ const char countKeyC[] = "DebugServerProvider.Count";
 const char fileVersionKeyC[] = "Version";
 const char fileNameKeyC[] = "debugserverproviders.xml";
 
-static DebugServerProviderManager *m_instance = nullptr;
-
 // DebugServerProviderManager
 
 DebugServerProviderManager::DebugServerProviderManager()
@@ -48,7 +46,6 @@ DebugServerProviderManager::DebugServerProviderManager()
                    new StLinkUvscServerProviderFactory,
                    new JLinkUvscServerProviderFactory})
 {
-    m_instance = this;
     m_writer = new Utils::PersistentSettingsWriter(
                 m_configFile, "QtCreatorDebugServerProviders");
 
@@ -69,14 +66,26 @@ DebugServerProviderManager::~DebugServerProviderManager()
     m_providers.clear();
     qDeleteAll(m_factories);
     delete m_writer;
-    m_instance = nullptr;
 }
 
+static DebugServerProviderManager *m_instance = nullptr;
+
 DebugServerProviderManager *DebugServerProviderManager::instance()
 {
+    if (!m_instance) {
+        m_instance = new DebugServerProviderManager;
+        m_instance->restoreProviders();
+    }
+
     return m_instance;
 }
 
+void setupDebugServerProviderManager(QObject *guard)
+{
+    DebugServerProviderManager::instance(); // force creation
+    m_instance->setParent(guard);
+}
+
 void DebugServerProviderManager::restoreProviders()
 {
     PersistentSettingsReader reader;

src/plugins/baremetal/debugserverprovidermanager.h

@@ -13,7 +13,6 @@ namespace Utils { class PersistentSettingsWriter; }
 namespace BareMetal::Internal {
 
 class BareMetalPlugin;
-class BareMetalPluginPrivate;
 class IDebugServerProvider;
 class IDebugServerProviderFactory;
 
@@ -25,7 +24,6 @@ class DebugServerProviderManager final : public QObject
 
 public:
     static DebugServerProviderManager *instance();
-    ~DebugServerProviderManager() final;
 
     static QList<IDebugServerProvider *> providers();
     static QList<IDebugServerProviderFactory *> factories();
@@ -42,9 +40,10 @@ signals:
     void providersLoaded();
 
 private:
-    void saveProviders();
     DebugServerProviderManager();
+    ~DebugServerProviderManager() final;
 
+    void saveProviders();
     void restoreProviders();
     static void notifyAboutUpdate(IDebugServerProvider *provider);
 
@@ -53,9 +52,9 @@ private:
     const Utils::FilePath m_configFile;
     const QList<IDebugServerProviderFactory *> m_factories;
 
-    friend class BareMetalPlugin; // for restoreProviders
-    friend class BareMetalPluginPrivate; // for constructor
     friend class IDebugServerProvider;
 };
 
+void setupDebugServerProviderManager(QObject *guard);
+
 } // BareMetal::Internal