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cre: fix possible crash when switching books too fast

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Noticable with "End of document action > Open next file",
and holding PgDn in a directory full of single page html
files.
This commit is contained in:
poire-z
2019-05-09 13:11:29 +02:00
committed by Frans de Jonge
parent eaeb3ec97f
commit eace8d25c1
1 changed files with 1 additions and 1 deletions
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2
frontend/apps/reader/modules/readerrolling.lua
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@@ -220,7 +220,7 @@ function ReaderRolling:onCloseDocument()
end
function ReaderRolling:onCheckDomStyleCoherence()
if self.ui.document:isBuiltDomStale() then
if self.ui.document and self.ui.document:isBuiltDomStale() then
UIManager:show(ConfirmBox:new{
text = _("Styles have changed in such a way that fully reloading the document may be needed for a correct rendering.\nDo you want to reload the document?"),
ok_callback = function()