From 91cf85936aff8bcc3b837584a834a0f2d9f3ed3a Mon Sep 17 00:00:00 2001
From: Michael Meeks <michael.meeks@collabora.com>
Date: Wed, 13 Sep 2017 16:16:11 +0100
Subject: [PATCH] Pre-load dictionaries for online.

Change-Id: Ied81f20900060ff6a78704fa9195320b8fb86e45
Reviewed-on: https://gerrit.libreoffice.org/42269
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
---
 desktop/source/lib/init.cxx | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 6e8136d740a0..f9a825564c88 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -54,6 +54,9 @@
 #include <com/sun/star/text/TextContentAnchorType.hpp>
 #include <com/sun/star/document/XRedlinesSupplier.hpp>
 
+#include <com/sun/star/linguistic2/LinguServiceManager.hpp>
+#include <com/sun/star/linguistic2/XSpellChecker.hpp>
+
 #include <editeng/fontitem.hxx>
 #include <editeng/flstitem.hxx>
 #include <sfx2/objsh.hxx>
@@ -3150,6 +3153,25 @@ static void lo_status_indicator_callback(void *data, comphelper::LibreOfficeKit:
     }
 }
 
+static void preloadData()
+{
+    // First: sit down and read all dictionaries: yum.
+    css::uno::Reference<css::linguistic2::XLinguServiceManager> xLngSvcMgr =
+        css::linguistic2::LinguServiceManager::create(comphelper::getProcessComponentContext());
+    css::uno::Reference<linguistic2::XSpellChecker> xSpellChecker(xLngSvcMgr->getSpellChecker());
+
+    css::uno::Reference<linguistic2::XSupportedLocales> xLocales(xSpellChecker, css::uno::UNO_QUERY_THROW);
+    uno::Sequence< css::lang::Locale > aLocales = xLocales->getLocales();
+    SAL_INFO("lok", "Preloading #" << aLocales.getLength() << " dictionaries");
+    for (auto &it : aLocales)
+    {
+        SAL_INFO("lok", "    load " << it.Language << "_" << it.Country);
+        css::beans::PropertyValues aNone;
+        xSpellChecker->isValid("forcefed", it, aNone);
+    }
+    SAL_INFO("lok", "Preloading done");
+}
+
 static int lo_initialize(LibreOfficeKit* pThis, const char* pAppPath, const char* pUserProfileUrl)
 {
     enum {
@@ -3261,6 +3283,8 @@ static int lo_initialize(LibreOfficeKit* pThis, const char* pAppPath, const char
                 // 3) InitVCL()
                 aService->initialize({css::uno::makeAny<OUString>("preload")});
 
+                preloadData();
+
                 // Release Solar Mutex, lo_startmain thread should acquire it.
                 Application::ReleaseSolarMutex();
             }