loleaflet/src/control/Ruler.js |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

New commits:
commit 9e1b04aafa6ddc6db0634d680e7419cf3b9489d8
Author:     Tor Lillqvist <t...@collabora.com>
AuthorDate: Mon Jun 15 06:46:45 2020 +0300
Commit:     Tor Lillqvist <t...@collabora.com>
CommitDate: Mon Jun 15 06:20:40 2020 +0200

    Guard against uncaught exception when tileContainer.style is undefined
    
    Happened at least for me in the iOS app.
    
    Change-Id: Ie6f2e30c757ed5dec92dc94da52f9a055731666b
    Reviewed-on: https://gerrit.libreoffice.org/c/online/+/96308
    Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoff...@gmail.com>
    Reviewed-by: Tor Lillqvist <t...@collabora.com>

diff --git a/loleaflet/src/control/Ruler.js b/loleaflet/src/control/Ruler.js
index cca4e46ed..011b16488 100644
--- a/loleaflet/src/control/Ruler.js
+++ b/loleaflet/src/control/Ruler.js
@@ -409,7 +409,9 @@ L.Control.Ruler = L.Control.extend({
                                break;
                        }
                }
-               var tileContainerXTranslate = 
parseInt(tileContainer.style.transform.match(/\(([-0-9]*)/)[1]);
+               var tileContainerXTranslate = 0;
+               if (tileContainer.style !== undefined)
+                       tileContainerXTranslate = 
parseInt(tileContainer.style.transform.match(/\(([-0-9]*)/)[1]);
                var mapPaneXTranslate = 
parseInt(mapPane.style.transform.match(/\(([-0-9]*)/)[1]);
 
                var rulerOffset = mapPaneXTranslate + firstTileXTranslate + 
tileContainerXTranslate + (this.options.tileMargin * scale);
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