Current status in tray icon

[ghost]

It would be nice to have dynamic tray icon that shows current status.
For example, most basic states would be:

• downwards arrow to indicate that there are downloads in progress
• upwards arrow to indicate that all torrents are completed and there are active seeding torrents
• square icon to indicate that all torrents are paused or idle

Further improvement would be dynamic height or color of an icon depending on download/upload speed.

Static icon kinda looks not modern and bugs me because all other icons in my system tray indicate current status of the program (for example, Dropbox, Skype and AIMP)