Get all activities for the given autoscaling group.

        This action supports pagination by returning a token if there are more
        pages to retrieve. To get the next page, call this action again with
        the returned token as the NextToken parameter

        :type autoscale_group: str or
            :class:`boto.ec2.autoscale.group.AutoScalingGroup` object
        :param autoscale_group: The auto scaling group to get activities on.

        :type max_records: int
        :param max_records: Maximum amount of activities to return.

        :rtype: list
        :returns: List of
            :class:`boto.ec2.autoscale.activity.Activity` instances.

def get_all_activities(self, autoscale_group, activity_ids=None,
                           max_records=None, next_token=None):
        """
        Get all activities for the given autoscaling group.

        This action supports pagination by returning a token if there are more
        pages to retrieve. To get the next page, call this action again with
        the returned token as the NextToken parameter

        :type autoscale_group: str or
            :class:`boto.ec2.autoscale.group.AutoScalingGroup` object
        :param autoscale_group: The auto scaling group to get activities on.

        :type max_records: int
        :param max_records: Maximum amount of activities to return.

        :rtype: list
        :returns: List of
            :class:`boto.ec2.autoscale.activity.Activity` instances.
        """
        name = autoscale_group
        if isinstance(autoscale_group, AutoScalingGroup):
            name = autoscale_group.name
        params = {'AutoScalingGroupName' : name}
        if max_records:
            params['MaxRecords'] = max_records
        if next_token:
            params['NextToken'] = next_token
        if activity_ids:
            self.build_list_params(params, activity_ids, 'ActivityIds')
        return self.get_list('DescribeScalingActivities',
                             params, [('member', Activity)])