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FolderStatusModel: fix assert in Qt when the list of subfolder is empty

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Fix an assert that happens in beginInsertRows when opening a folder
and that folder is empty.
This can only be reproduced with a debug build of Qt.
This commit is contained in:
Olivier Goffart 2017-05-29 13:00:43 +02:00 committed by Olivier Goffart
parent e2e56f45af
commit c17a678385
1 changed files with 7 additions and 3 deletions
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10
src/gui/folderstatusmodel.cpp
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@ -614,6 +614,8 @@ void FolderStatusModel::slotUpdateDirectories(const QStringList &list)
if (!parentInfo) {
return;
}
ASSERT(parentInfo->_fetching); // we should only get a result if we were doing a fetch
ASSERT(parentInfo->_subs.isEmpty());
if (parentInfo->hasLabel()) {
beginRemoveRows(idx, 0, 0);
@ -712,9 +714,11 @@ void FolderStatusModel::slotUpdateDirectories(const QStringList &list)
newSubs.append(newInfo);
}
beginInsertRows(idx, 0, newSubs.size() - 1);
parentInfo->_subs = std::move(newSubs);
endInsertRows();
if (!newSubs.isEmpty()) {
beginInsertRows(idx, 0, newSubs.size() - 1);
parentInfo->_subs = std::move(newSubs);
endInsertRows();
}
for (auto it = undecidedIndexes.begin(); it != undecidedIndexes.end(); ++it) {
suggestExpand(idx.child(*it, 0));