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annotate frontends/src/tools/host_listener.py @ 1422:be1fccf4854d

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tmp (wokkel): licenses fixes: the licenses headers were wrong, it was fixed: original work from Adrien Cossa is directly under AGPL v3 (with his agreement), work derivated from Wokkel is sublicensed to AGPL v3 as allowed by the original license, to stay consistent with the rest of the code base. Theses files (and only these ones) can be relicensed again to fill Wokkel license if Ralph plan to merge them upstream...
author Goffi <goffi@goffi.org>
date Thu, 23 Apr 2015 10:57:40 +0200
parents 069ad98b360d
children d17772b0fe22
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99d596613661 frontends: added a host_listener module which manage a listener launched when host is ready, useful to instantiate things on host in optional modules (e.g. menus).
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """This module is only used launch callbacks when host is ready, used for early initialisation stuffs"""
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23 listeners = []
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25 def addListener(cb):
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26 """Add a listener which will be called when host is ready
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28 @param cb: callback which will be called when host is ready with host as only argument
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29 """
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30 listeners.append(cb)
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32 def callListeners(host):
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33 """Must be called by frontend when host is ready.
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35 The call will launch all the callbacks, then remove the listeners list.
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36 @param host(QuickApp): the instancied QuickApp subclass
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37 """
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38 global listeners
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39 while True:
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40 try:
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41 cb = listeners.pop(0)
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42 cb(host)
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43 except IndexError:
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44 break
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45 del listeners