LOK: conditionally include part number in invalidation payload

Since desktop/ code queues, compresses and only emits callbacks on idle,
it's possible that two invalidations are in the queue, and there was a
setPart() call between them. In this case it's impossible to tell what
part the invalidation was sent for.

Fix this by conditionally including the part number in the invalidation
payload. It's off by default, a new feature flag is added to request
this behavior.

gtktiledviewer enables this feature flag by default, though just to show
the part number in the debug output. Android doesn't enable it.

Change-Id: I73e6def848c0eb61d64e71026002c7a0e750aab4

1 files changed, 5 insertions, 5 deletions

diff --git a/comphelper/source/misc/lok.cxx b/comphelper/source/misc/lok.cxx
index a321260588f1..e1a099d04ea6 100644
--- a/comphelper/source/misc/lok.cxx
+++ b/comphelper/source/misc/lok.cxx
@@ -17,7 +17,7 @@ namespace LibreOfficeKit
 
 static bool g_bActive(false);
 
-static bool g_bViewCallback(true);
+static bool g_bPartInInvalidation(false);
 
 void setActive(bool bActive)
 {
@@ -29,14 +29,14 @@ bool isActive()
     return g_bActive;
 }
 
-void setViewCallback(bool bViewCallback)
+void setPartInInvalidation(bool bPartInInvalidation)
 {
-    g_bViewCallback = bViewCallback;
+    g_bPartInInvalidation = bPartInInvalidation;
 }
 
-bool isViewCallback()
+bool isPartInInvalidation()
 {
-    return g_bViewCallback;
+    return g_bPartInInvalidation;
 }
 
 static bool g_bLocalRendering(false);