C++ (Cpp) TextEditor::CanCopy示例

示例#1

文件： EditorCommands.cpp 项目： jasonLaster/gecko-dev

NS_IMETHODIMP
CopyCommand::IsCommandEnabled(const char* aCommandName,
                              nsISupports* aCommandRefCon, bool* aIsEnabled) {
  if (NS_WARN_IF(!aIsEnabled)) {
    return NS_ERROR_INVALID_ARG;
  }
  nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
  if (!editor) {
    *aIsEnabled = false;
    return NS_OK;
  }
  TextEditor* textEditor = editor->AsTextEditor();
  MOZ_ASSERT(textEditor);
  return textEditor->CanCopy(aIsEnabled);
}