Reinstall python packages inside the virtualenv to have more control on versions

So plugins can access the notebook more easily

This clutters the logs and is rarely useful

This is useful as the PluginInstaller plugin does not need to manually
add/remove plugins inside the PluginWindow anymore

- Fix indentation

FileTransferProgress

- Make it more generic, so it fits downloads and uploads

FileTransfer

- Add DECRYPTING state
- Move state descriptions into FileTransfer
- Add cancel() method
- Add filename property

Fixes #9574, #8980

For convenience

This makes it easier for plugins to detect the nickname

Previously we called the disconnect handler only when a plugin was deactivated.

We have to preserve it until the file transfer is finished

- nbxmpp supports no HTTP Upload
- Remove support for previous HTTP Upload versions

- Refactor File class to a more generic FileTransfer class

- FileTransfer class holds the transfer state and notifies other objects via signals

- Refactor File object
- Make some methods/vars private

When a contact accepts our subscription request issue a system
notification instead of a InformationDialog

Daniel Brötzmann authored 5 years ago and Philipp Hörist committed 5 years ago

This shortens status messages correctly if there is more than one resource.
Additionally, this always adds a new line for status messages to keep the
tooltip's width small.

Daniel Brötzmann authored 5 years ago and Philipp Hörist committed 5 years ago

Applies ellipsizing on strings for name, jid, and status messages.
Overly long group chat topics will be shortened as well.