Re-work cppu::preInitBootstrap()

In the preinit stage, the preInitBootstrap is called to load
implementations for each service registered by the service manager.

All service requests are: initial Component Context and the process
service factory is set.

However, some services require that VCL is properly initialized.

Change-Id: Ib116e3da172b860f2df4d672f6181b5de0b7e6b2

cppuhelper/source/defaultbootstrap.cxx

@@ -109,18 +109,25 @@ cppu::defaultBootstrap_InitialComponentContext()
 }
 
 void
-cppu::preInitBootstrap()
+cppu::preInitBootstrap(css::uno::Reference< css::uno::XComponentContext > const & xContext)
 {
-    rtl::OUString iniUri(getUnoIniUri());
-    rtl::Bootstrap bs(iniUri);
-    if (bs.getHandle() == nullptr)
-        throw css::uno::DeploymentException("Cannot open uno ini " + iniUri);
+    if (!xContext.is())
+        throw css::uno::DeploymentException("preInit: XComponentContext is not created");
 
-    // create the service manager
-    rtl::Reference< cppuhelper::ServiceManager > aManager(new cppuhelper::ServiceManager);
-    // read rdb files
-    aManager->init(getBootstrapVariable(bs, "UNO_SERVICES"));
-    aManager->loadAllImplementations();
+    css::uno::Reference< css::uno::XInterface > xService;
+    xContext->getValueByName("/singletons/com.sun.star.lang.theServiceManager") >>= xService;
+    if (!xService.is())
+        throw css::uno::DeploymentException("preInit: XMultiComponentFactory is not created");
+
+    rtl::Reference<cppuhelper::ServiceManager> aService(reinterpret_cast<cppuhelper::ServiceManager*>(xService.get()));
+
+    // pre-requisites:
+    // In order to load implementations and invoke
+    // component factory it is required:
+    // 1) defaultBootstrap_InitialComponentContext()
+    // 2) comphelper::setProcessServiceFactory(xSFactory);
+    // 3) InitVCL()
+    aService->loadAllImplementations();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

cppuhelper/source/gcc3.map

@@ -439,5 +439,5 @@ GLIBCXX_3.4 {
 
 PRIVATE_1.0 { # LibO 5.2
     global:
-        _ZN4cppu16preInitBootstrapEv;
+        _ZN4cppu16preInitBootstrapERKN3com3sun4star3uno9ReferenceINS3_17XComponentContextEEE;
 };

desktop/source/lib/init.cxx

@@ -1914,7 +1914,7 @@ static int lo_initialize(LibreOfficeKit* pThis, const char* pAppPath, const char
             {
                 InitVCL();
                 // pre-load all component libraries.
-                cppu::preInitBootstrap();
+                cppu::preInitBootstrap(xContext);
                 // Release Solar Mutex, lo_startmain thread should acquire it.
                 Application::ReleaseSolarMutex();
             }

include/cppuhelper/detail/preinit.hxx

@@ -17,8 +17,16 @@ namespace cppu
 
 #if defined LIBO_INTERNAL_ONLY
 
+/** Preload all shared library components with service manager upon
+    information from bootstrap variables.
+
+    This function tries to find its parameters via these bootstrap variables:
+
+      - UNO_SERVICES      -- a space separated list of file urls of service rdbs
+
+*/
 CPPUHELPER_DLLPUBLIC void SAL_CALL
-preInitBootstrap();
+preInitBootstrap(css::uno::Reference< css::uno::XComponentContext > const & xContext);
 
 #endif // LIBO_INTERNAL_ONLY