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FileManager+LibGUI: Cache the FileSystem::can_delete_or_move value

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Add the function FileSystemModel::Node::can_delete_or_move which will
cache the result of FileSystem::can_delete_or_move for a node. This
prevents having to make system calls repeatedly to obtain this
information.

Fixes #18399
This commit is contained in:
Tom 2023-04-16 14:15:10 -06:00 • committed by Linus Groh
parent d824d07784
commit e758545b91
3 changed files with 11 additions and 1 deletions
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7
Userland/Libraries/LibGUI/FileSystemModel.cpp
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@ -159,6 +159,13 @@ void FileSystemModel::Node::traverse_if_needed()
}
}
bool FileSystemModel::Node::can_delete_or_move() const
{
if (!m_can_delete_or_move.has_value())
m_can_delete_or_move = FileSystem::can_delete_or_move(full_path());
return m_can_delete_or_move.value();
}
OwnPtr<FileSystemModel::Node> FileSystemModel::Node::create_child(DeprecatedString const& child_name)
{
DeprecatedString child_path = LexicalPath::join(full_path(), child_name).string();