RemoteLinux: Pimple and avoid unneeded use of global object pool

Following the now-canonical HelpPlugin pattern...

Change-Id: I2c02b3dee7238da9fb1e3a9b29afb4cd32424cb8
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/remotelinux/remotelinuxplugin.cpp

@@ -42,16 +42,16 @@
 #include "tarpackagecreationstep.h"
 #include "uploadandinstalltarpackagestep.h"
 
-#include <QtPlugin>
+using namespace ProjectExplorer;
 
 namespace RemoteLinux {
 namespace Internal {
 
 template <class Step>
-class GenericLinuxDeployStepFactory : public ProjectExplorer::BuildStepFactory
+class GenericDeployStepFactory : public ProjectExplorer::BuildStepFactory
 {
 public:
-    GenericLinuxDeployStepFactory()
+    GenericDeployStepFactory()
     {
         registerStep<Step>(Step::stepId());
         setDisplayName(Step::displayName());
@@ -60,19 +60,43 @@ public:
     }
 };
 
+class RemoteLinuxPluginPrivate
+{
+public:
+    GenericLinuxDeviceConfigurationFactory deviceConfigurationFactory;
+    RemoteLinuxRunConfigurationFactory runConfigurationFactory;
+    RemoteLinuxCustomRunConfigurationFactory customRunConfigurationFactory;
+    RemoteLinuxDeployConfigurationFactory deployConfigurationFactory;
+    GenericDeployStepFactory<TarPackageCreationStep> tarPackageCreationStepFactory;
+    GenericDeployStepFactory<UploadAndInstallTarPackageStep> uploadAndInstallTarPackageStepFactory;
+    GenericDeployStepFactory<GenericDirectUploadStep> genericDirectUploadStepFactory;
+    GenericDeployStepFactory<GenericRemoteLinuxCustomCommandDeploymentStep>
+        customCommandDeploymentStepFactory;
+    GenericDeployStepFactory<RemoteLinuxCheckForFreeDiskSpaceStep>
+        checkForFreeDiskSpaceStepFactory;
+    GenericDeployStepFactory<RemoteLinuxKillAppStep> remoteLinuxKillAppStepFactory;
+    EmbeddedLinuxQtVersionFactory embeddedLinuxQtVersionFactory;
+};
+
+static RemoteLinuxPluginPrivate *dd = nullptr;
+
 RemoteLinuxPlugin::RemoteLinuxPlugin()
 {
     setObjectName(QLatin1String("RemoteLinuxPlugin"));
 }
 
+RemoteLinuxPlugin::~RemoteLinuxPlugin()
+{
+    delete dd;
+}
+
 bool RemoteLinuxPlugin::initialize(const QStringList &arguments,
     QString *errorMessage)
 {
     Q_UNUSED(arguments)
     Q_UNUSED(errorMessage)
 
-    using namespace ProjectExplorer;
+    dd = new RemoteLinuxPluginPrivate;
-    using namespace ProjectExplorer::Constants;
 
     auto constraint = [](RunConfiguration *runConfig) {
         const Core::Id id = runConfig->id();
@@ -80,35 +104,14 @@ bool RemoteLinuxPlugin::initialize(const QStringList &arguments,
             || id.name().startsWith(RemoteLinuxRunConfiguration::IdPrefix);
     };
 
+    using namespace ProjectExplorer::Constants;
     RunControl::registerWorker<SimpleTargetRunner>(NORMAL_RUN_MODE, constraint);
     RunControl::registerWorker<LinuxDeviceDebugSupport>(DEBUG_RUN_MODE, constraint);
     RunControl::registerWorker<RemoteLinuxQmlProfilerSupport>(QML_PROFILER_RUN_MODE, constraint);
     RunControl::registerWorker<RemoteLinuxQmlPreviewSupport>(QML_PREVIEW_RUN_MODE, constraint);
 
-    addAutoReleasedObject(new GenericLinuxDeviceConfigurationFactory);
-    addAutoReleasedObject(new RemoteLinuxRunConfigurationFactory);
-    addAutoReleasedObject(new RemoteLinuxCustomRunConfigurationFactory);
-    addAutoReleasedObject(new RemoteLinuxDeployConfigurationFactory);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory<TarPackageCreationStep>);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory<UploadAndInstallTarPackageStep>);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory<GenericDirectUploadStep>);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory
-                                <GenericRemoteLinuxCustomCommandDeploymentStep>);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory<RemoteLinuxCheckForFreeDiskSpaceStep>);
-    addAutoReleasedObject(new GenericLinuxDeployStepFactory<RemoteLinuxKillAppStep>);
-
-    addAutoReleasedObject(new EmbeddedLinuxQtVersionFactory);
-
     return true;
 }
 
-RemoteLinuxPlugin::~RemoteLinuxPlugin()
-{
-}
-
-void RemoteLinuxPlugin::extensionsInitialized()
-{
-}
-
 } // namespace Internal
 } // namespace RemoteLinux

src/plugins/remotelinux/remotelinuxplugin.h

@@ -37,10 +37,11 @@ class RemoteLinuxPlugin : public ExtensionSystem::IPlugin
 
 public:
     RemoteLinuxPlugin();
-    ~RemoteLinuxPlugin();
+    ~RemoteLinuxPlugin() final;
 
-    bool initialize(const QStringList &arguments, QString *errorMessage);
+private:
-    void extensionsInitialized();
+    bool initialize(const QStringList &arguments, QString *errorMessage) final;
+    void extensionsInitialized() final {}
 };
 
 } // namespace Internal