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Fix crash in item view refresh.

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This commit is contained in:
John Preston 2018-03-01 20:17:39 +03:00
parent 128663d95b
commit e6dd7d7684
1 changed files with 8 additions and 2 deletions
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10
Telegram/SourceFiles/history/view/history_view_list_widget.cpp
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@ -2402,11 +2402,17 @@ void ListWidget::refreshItem(not_null<const Element*> view) {
const auto index = i - begin(_items);
if (index < int(_items.size())) {
const auto item = view->data();
_views.erase(item);
const auto was = [&]() -> std::unique_ptr<Element> {
if (const auto i = _views.find(item); i != end(_views)) {
auto result = std::move(i->second);
_views.erase(i);
return std::move(result);
}
return nullptr;
}();
const auto [i, ok] = _views.emplace(
item,
item->createView(this));
const auto was = view;
const auto now = i->second.get();
_items[index] = now;