BBP_BuddyPress_Activity::activity_can_comment( boolean $can_comment = true )

	public function activity_can_comment( $can_comment = true ) {
		global $activities_template;

		// Already forced off, so comply
		if ( false === $can_comment )
			return $can_comment;

		// Check if blog & forum activity stream commenting is off
		if ( ( false === $activities_template->disable_blogforum_replies ) || (int) $activities_template->disable_blogforum_replies ) {

			// Get the current action name
			$action_name = bp_get_activity_action_name();

			// Setup the array of possibly disabled actions
			$disabled_actions = array(
				$this->topic_create,
				$this->reply_create
			);

			// Check if this activity stream action is disabled
			if ( in_array( $action_name, $disabled_actions ) ) {
				$can_comment = false;
			}
		}

		return $can_comment;
	}