Unfortunately Vixxen, you are out of luck. As distasteful and innapropriate as this person was being, he did nothing illegal. The Canadian law(s) as they apply are:
The Charter of Rights and Freedoms, which states that: "You are guaranteed the right to take photographs, and publish them. You are guaranteed the right to express yourself through photography, and you have the freedom to publish the photos you take. Unless you are arrested, the Charter of Rights and Freedoms guarantees your right to take photographs of anything you want, as well as publish them."
The only statues (of which I am aware) which supercede this are contained in the Canadian Criminal Code as follows: Reasonable Expectation of Privacy: The Canadian Charter of Rights and Freedoms also says that every Canadian is guaranteed a reasonable expectation of privacy. This protects your privacy against unreasonable search, and seizure of your property by the government. For non-government related privacy, see Criminal Voyeurism, and the various Privacy Acts for your Province, they protect your privacy from other people and companies, as well, they protect the privacy of people you photograph."
and
"Criminal Voyeurism You can not take photos of people who are in circumstances where they believe that they have a reasonable expectation of privacy, for example, a bathroom. This generally extends to include a person inside their own home, or anywhere where they have reason to believe is a private place."
Since you would be hard-pressed to make either one of these apply in this situation, your only option is to complain to the management, who, as the property owners, or representiatives thereof, can authorize or forbid the taking of photographs within their premises.