Your bathroom is a symbol of privacy. It may be that you need more privacy in your waking life...or it could be that you are too private and may need to interact with others more often.

The mirror symbolizes the imagination and a link between the conscious and subconscious. Also, your perception of yourself within the world around you.
Your own reflection in the mirror, suggests that you are pondering thoughts about your inner self. The reflection in the mirror is how you perceive yourself or how you want others to see you. You may be contemplating on strengthening and changing aspects of your character.

Your dog is part of your life and it's only natural that he is included in your dream. Generally speaking though, dogs represent love, loyalty, devotion, obedience, intuition, generosity, protection, and fidelity. May also suggest a skill that you have ignored or forgotten, but needs to be activated.
Alternatively, consider the notions associated with the word dog, such as loyalty ("man's best friend") and to be "treated like a dog", or something/someone in your life is proving to be a "dog" meaning, less than desirable.

Purple is a color of royalty, wealth, dignity, authority, political power and wealth( in the sense of dishonesty and wickedness). Spirituality, status in your own circle, increased social life, or the desire for same.
 It is a strong color that can not be ignored. Likewise, most people have a strong opinion of purple: they really like it, or vehemently dislike it. To some people, purple has spiritual connotations. The Catholic Church uses it at funerals and around Easter time. It represents spiritual and personal transformation.
May symbolize mystery and therefore represent, in psychological terms, deep intuition or awareness of some type as yet unexplored dimension of the self, or your true self. A version of purple is also the color of the crown Chakra, and as such it could represent higher consciousness and spiritual protection.

Wings would represent feeling the need for more freedom.


Hope this helps give you some insight, good luck!