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improved safety of underlying data update for FriendListModel

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This commit is contained in:
csoler 2020-08-20 18:34:10 +02:00
parent 3b7734c934
commit 7c5bf22931
1 changed files with 10 additions and 6 deletions
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16
retroshare-gui/src/gui/common/FriendListModel.cpp
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@ -1058,14 +1058,16 @@ void RsFriendListModel::updateInternalData()
preMods();
beginRemoveRows(QModelIndex(),0,mTopLevel.size()-1);
endRemoveRows();
mGroups.clear();
mProfiles.clear();
mLocations.clear();
mTopLevel.clear();
endRemoveRows();
auto TL = mTopLevel ; // This allows to fill TL without touching mTopLevel outside of [begin/end]InsertRows().
// create a map of profiles and groups
std::map<RsPgpId,uint32_t> pgp_indices;
@ -1153,7 +1155,6 @@ void RsFriendListModel::updateInternalData()
RsDbg() << "Creating top level list" << std::endl;
#endif
mTopLevel.clear();
std::set<RsPgpId> already_in_a_group;
if(mDisplayGroups) // in this case, we list all groups at the top level followed by the profiles without parent group
@ -1168,7 +1169,7 @@ void RsFriendListModel::updateInternalData()
e.type = ENTRY_TYPE_GROUP;
e.group_index = i;
mTopLevel.push_back(e);
TL.push_back(e);
for(uint32_t j=0;j<mGroups[i].child_profile_indices.size();++j)
already_in_a_group.insert(mProfiles[mGroups[i].child_profile_indices[j]].profile_info.gpg_id);
@ -1187,12 +1188,15 @@ void RsFriendListModel::updateInternalData()
e.profile_index = i;
e.group_index = UNDEFINED_GROUP_INDEX_VALUE;
mTopLevel.push_back(e);
TL.push_back(e);
}
// finally, tell the model client that layout has changed.
beginInsertRows(QModelIndex(),0,mTopLevel.size()-1);
beginInsertRows(QModelIndex(),0,TL.size()-1);
mTopLevel = TL;
endInsertRows();
postMods();