From 0c6cfea81e99a815c35b1a0e908a29bc6dc424f1 Mon Sep 17 00:00:00 2001
From: Jon Nermut <jon.nermut@asdeqlabs.com>
Date: Thu, 18 Jan 2018 20:38:00 +1100
Subject: iOS: add a temporarily exposed function that calls
 CallbackFlushHandler::Invoke in order to manually flush the callback queue.
 To be reverted once the callback problem is solved.

Change-Id: I95273b8a01eec62f639edd6767f69e02a294d8aa
Reviewed-on: https://gerrit.libreoffice.org/48101
Reviewed-by: jan iversen <jani@libreoffice.org>
Tested-by: jan iversen <jani@libreoffice.org>
---
 desktop/source/lib/init.cxx                            | 18 ++++++++++++++++++
 .../LibreOfficeLight/LOKit/Document.swift              |  6 ++++++
 .../LibreOfficeLight/LOKit/LOKitThread.swift           | 10 ++++++++++
 .../LibreOfficeLight/lokit-Bridging-Header.h           |  2 ++
 4 files changed, 36 insertions(+)

diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 5688dab671f6..db8a5c5142c9 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -3802,4 +3802,22 @@ static void lo_destroy(LibreOfficeKit* pThis)
 
 }
 
+#ifdef IOS
+extern "C"
+{
+__attribute__((visibility("default")))
+{
+    SolarMutexGuard aGuard;
+    LibLODocument_Impl* pDocument = static_cast<LibLODocument_Impl*>(pThis);
+
+    int nOrigViewId = doc_getView(pThis);
+
+    if (nOrigViewId >= 0 && pDocument->mpCallbackFlushHandlers[nOrigViewId])
+    {
+        pDocument->mpCallbackFlushHandlers[nOrigViewId]->Invoke();
+    }
+}
+}
+#endif
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/ios/LibreOfficeLight/LibreOfficeLight/LOKit/Document.swift b/ios/LibreOfficeLight/LibreOfficeLight/LOKit/Document.swift
index f708334f5c97..79e28d674595 100644
--- a/ios/LibreOfficeLight/LibreOfficeLight/LOKit/Document.swift
+++ b/ios/LibreOfficeLight/LibreOfficeLight/LOKit/Document.swift
@@ -536,6 +536,12 @@ open class Document
     {
         docClass.setViewLanguage(pDoc, id, language);
     }
+    
+    public func invokeHandlers()
+    {
+        temporaryHackToInvokeCallbackHandlers(pDoc)
+        
+    }
 
 }
 
diff --git a/ios/LibreOfficeLight/LibreOfficeLight/LOKit/LOKitThread.swift b/ios/LibreOfficeLight/LibreOfficeLight/LOKit/LOKitThread.swift
index 314ef0355f3f..e8f60e0f2119 100644
--- a/ios/LibreOfficeLight/LibreOfficeLight/LOKit/LOKitThread.swift
+++ b/ios/LibreOfficeLight/LibreOfficeLight/LOKit/LOKitThread.swift
@@ -212,6 +212,15 @@ public class DocumentHolder
         {
             closure(self.doc)
         }
+        self.invokeHandlers()
+    }
+
+    public func invokeHandlers()
+    {
+        LOKitThread.instance.async
+        {
+            self.doc.invokeHandlers()
+        }
     }
 
     /// Gives sync access to the document - blocks until the closure runs.
@@ -220,6 +229,7 @@ public class DocumentHolder
     {
         return LOKitThread.instance.sync
         {
+            self.invokeHandlers()
             return closure(self.doc)
         }
     }
diff --git a/ios/LibreOfficeLight/LibreOfficeLight/lokit-Bridging-Header.h b/ios/LibreOfficeLight/LibreOfficeLight/lokit-Bridging-Header.h
index bc276e9d31e2..67feadb801f3 100644
--- a/ios/LibreOfficeLight/LibreOfficeLight/lokit-Bridging-Header.h
+++ b/ios/LibreOfficeLight/LibreOfficeLight/lokit-Bridging-Header.h
@@ -12,3 +12,5 @@
 // as its own xCode project.
 #define LOK_USE_UNSTABLE_API
 #import "../../source/LibreOfficeKit.h"
+
+void temporaryHackToInvokeCallbackHandlers(LibreOfficeKitDocument* pThis);
-- 
cgit