uitest: send a document event when modal dialog is executed

The event is sent shortly before the Dialog will go into
Application::Yield. Therefore you know that you can rely on the dialog
being visible shortly after the event has been sent.

Change-Id: Ifa911adae60ac877161ec43f27cb57d611a60059

vcl/CppunitTest_vcl_lifecycle.mk

@@ -45,6 +45,7 @@ $(eval $(call gb_CppunitTest_use_components,vcl_lifecycle,\
 	ucb/source/core/ucb1 \
 	ucb/source/ucp/file/ucpfile1 \
 	framework/util/fwk \
+	sfx2/util/sfx \
 ))
 
 $(eval $(call gb_CppunitTest_use_configuration,vcl_lifecycle))

vcl/source/window/dialog.cxx

@@ -21,6 +21,7 @@
 
 #include <com/sun/star/beans/XPropertySet.hpp>
 #include <com/sun/star/util/thePathSettings.hpp>
+#include <com/sun/star/frame/theGlobalEventBroadcaster.hpp>
 #include <comphelper/processfactory.hxx>
 #include <osl/file.hxx>
 
@@ -877,6 +878,14 @@ short Dialog::Execute()
 
     VclPtr<vcl::Window> xWindow = this;
 
+
+
+    css::uno::Reference< css::uno::XComponentContext > xContext(
+            comphelper::getProcessComponentContext() );
+    css::uno::Reference<css::frame::XGlobalEventBroadcaster> xEventBroadcaster(css::frame::theGlobalEventBroadcaster::get(xContext), css::uno::UNO_QUERY_THROW);
+    css::document::DocumentEvent aObject;
+    aObject.EventName = "DialogExecute";
+    xEventBroadcaster->documentEventOccured(aObject);
     // Yield util EndDialog is called or dialog gets destroyed
     // (the latter should not happen, but better safe than sorry
     while ( !xWindow->IsDisposed() && mbInExecute )