private function override_plugin_menu_with_activation() {
            $this->_logger->entrance();

            $hook = false;

            if ( ! $this->has_settings_menu() ) {
                // Add the opt-in page without a menu item.
                $hook = FS_Admin_Menu_Manager::add_subpage(
                    null,
                    $this->get_plugin_name(),
                    $this->get_plugin_name(),
                    'manage_options',
                    $this->_slug,
                    array( &$this, '_connect_page_render' )
                );
            } else if ( $this->_menu->is_top_level() ) {
                if ( $this->_menu->is_override_exact() ) {
                    // Make sure the current page is matching the activation page.
                    if ( ! $this->is_matching_url( $this->get_activation_url() ) ) {
                        return;
                    }
                }

                $hook = $this->_menu->override_menu_item( array( &$this, '_connect_page_render' ) );

                if ( false === $hook ) {
                    // Create new menu item just for the opt-in.
                    $hook = FS_Admin_Menu_Manager::add_page(
                        $this->get_plugin_name(),
                        $this->get_plugin_name(),
                        'manage_options',
                        $this->_menu->get_slug(),
                        array( &$this, '_connect_page_render' )
                    );
                }
            } else {
                $menus = array( $this->_menu->get_parent_slug() );

                if ( $this->_menu->is_override_exact() ) {
                    // Make sure the current page is matching the activation page.
                    if ( ! $this->is_matching_url( $this->get_activation_url() ) ) {
                        return;
                    }
                }

                foreach ( $menus as $parent_slug ) {
                    $hook = $this->_menu->override_submenu_action(
                        $parent_slug,
                        $this->_menu->get_raw_slug(),
                        array( &$this, '_connect_page_render' )
                    );

                    if ( false !== $hook ) {
                        // Found plugin's submenu item.
                        break;
                    }
                }
            }

            if ( $this->is_activation_page() ) {
                // Clean admin page from distracting content.
                self::_clean_admin_content_section();
            }

            if ( false !== $hook ) {
                if ( fs_request_is_action( $this->get_unique_affix() . '_activate_existing' ) ) {
                    $this->_install_with_current_user();
                } else if ( fs_request_is_action( $this->get_unique_affix() . '_activate_new' ) ) {
                    $this->_install_with_new_user();
                }
            }
        }