Mercurial > libervia-desktop-kivy
diff src/cagou/core/cagou_main.py @ 15:56838ad5c84b
files reorganisation, cagou is now launched with python2 cagou.py in src/
author | Goffi <goffi@goffi.org> |
---|---|
date | Sat, 09 Jul 2016 17:24:01 +0200 |
parents | src/cagou.py@21a432afd06d |
children | ba14b596b90e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cagou/core/cagou_main.py Sat Jul 09 17:24:01 2016 +0200 @@ -0,0 +1,193 @@ +#!/usr//bin/env python2 +# -*- coding: utf-8 -*- + +# Cagou: desktop/mobile frontend for Salut à Toi XMPP client +# Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. + +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +from sat.core.i18n import _ +import logging_setter +logging_setter.set_logging() +from constants import Const as C +from sat.core import log as logging +log = logging.getLogger(__name__) +from sat_frontends.quick_frontend.quick_app import QuickApp +from sat_frontends.bridge.DBus import DBusBridgeFrontend +import kivy +kivy.require('1.9.1') +import kivy.support +kivy.support.install_gobject_iteration() +from kivy.app import App +from kivy.lang import Builder +import xmlui +from profile_manager import ProfileManager +from widgets_handler import WidgetsHandler +from kivy.uix.boxlayout import BoxLayout +from cagou_widget import CagouWidget +from importlib import import_module +import os.path +import glob +import cagou.plugins +import cagou.kv + + +class CagouRootWidget(BoxLayout): + + def __init__(self, widgets): + super(CagouRootWidget, self).__init__(orientation=("vertical")) + for wid in widgets: + self.add_widget(wid) + + def change_widgets(self, widgets): + self.clear_widgets() + for wid in widgets: + self.add_widget(wid) + + +class CagouApp(App): + """Kivy App for Cagou""" + + def build(self): + return CagouRootWidget([ProfileManager(self.host)]) + + +class Cagou(QuickApp): + MB_HANDLE = False + + def __init__(self): + super(Cagou, self).__init__(create_bridge=DBusBridgeFrontend, xmlui=xmlui) + self._import_kv() + self.app = CagouApp() + self.app.host = self + media_dir = self.app.media_dir = self.bridge.getConfig("", "media_dir") + self.app.default_avatar = os.path.join(media_dir, "misc/default_avatar.png") + self._plg_wids = [] # widget plugins + self._import_plugins() + + def run(self): + self.app.run() + + def _defaultFactory(self, host, plugin_info, target, profiles): + """factory used to create widget instance when PLUGIN_INFO["factory"] is not set""" + main_cls = plugin_info['main'] + return self.widgets.getOrCreateWidget(main_cls, target, on_new_widget=None, profiles=profiles) + + def _import_kv(self): + """import all kv files in cagou.kv""" + path = os.path.dirname(cagou.kv.__file__) + for kv_path in glob.glob(os.path.join(path, "*.kv")): + Builder.load_file(kv_path) + log.debug(u"kv file {} loaded".format(kv_path)) + + def _import_plugins(self): + """import all plugins""" + self.default_wid = None + plugins_path = os.path.dirname(cagou.plugins.__file__) + plug_lst = [os.path.splitext(p)[0] for p in map(os.path.basename, glob.glob(os.path.join(plugins_path, "plugin*.py")))] + imported_names = set() # use to avoid loading 2 times plugin with same import name + for plug in plug_lst: + plugin_path = 'cagou.plugins.' + plug + mod = import_module(plugin_path) + try: + plugin_info = mod.PLUGIN_INFO + except AttributeError: + plugin_info = {} + + # import name is used to differentiate plugins + if 'import_name' not in plugin_info: + plugin_info['import_name'] = plug + if 'import_name' in imported_names: + log.warning(_(u"there is already a plugin named {}, ignoring new one").format(plugin_info['import_name'])) + continue + if plugin_info['import_name'] == C.WID_SELECTOR: + # if WidgetSelector exists, it will be our default widget + self.default_wid = plugin_info + + # we want everything optional, so we use plugin file name + # if actual name is not found + if 'name' not in plugin_info: + plugin_info['name'] = plug[plug.rfind('_')+1:] + + # we need to load the kv file + if 'kv_file' not in plugin_info: + plugin_info['kv_file'] = u'{}.kv'.format(plug) + kv_path = os.path.join(plugins_path, plugin_info['kv_file']) + Builder.load_file(kv_path) + + # what is the main class ? + main_cls = getattr(mod, plugin_info['main']) + plugin_info['main'] = main_cls + + # factory is used to create the instance + # if not found, we use a defaut one with getOrCreateWidget + if 'factory' not in plugin_info: + plugin_info['factory'] = self._defaultFactory + + self._plg_wids.append(plugin_info) + if not self._plg_wids: + log.error(_(u"no widget plugin found")) + return + + # we want widgets sorted by names + self._plg_wids.sort(key=lambda p: p['name'].lower()) + + if self.default_wid is None: + # we have no selector widget, we use the first widget as default + self.default_wid = self._plg_wids[0] + + def getPluggedWidgets(self, except_cls=None): + """get available widgets plugin infos + + @param except_cls(None, class): if not None, + widgets from this class will be excluded + @return (list[dict]): available widgets plugin infos + """ + lst = self._plg_wids[:] + if except_cls is not None: + for plugin_info in lst: + if plugin_info['main'] == except_cls: + lst.remove(plugin_info) + break + return lst + + def plugging_profiles(self): + self.app.root.change_widgets([WidgetsHandler(self)]) + + def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE): + log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status)) + + def switchWidget(self, old, new): + """Replace old widget by new one + + old(CagouWidget): CagouWidget instance or a child + new(CagouWidget): new widget instance + """ + to_change = None + if isinstance(old, CagouWidget): + to_change = old + else: + for w in old.walk_reverse(): + if isinstance(w, CagouWidget): + to_change = w + break + + if to_change is None: + log.error(u"no CagouWidget found when trying to switch widget") + else: + parent = to_change.parent + idx = parent.children.index(to_change) + parent.remove_widget(to_change) + parent.add_widget(new, index=idx)