forked from openlp/openlp
109 lines
4.6 KiB
Python
109 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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import logging
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from PyQt4 import QtCore
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from openlp.core.lib import Receiver, translate
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log = logging.getLogger(__name__)
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class AlertsManager(QtCore.QObject):
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"""
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AlertsManager manages the settings of Alerts.
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"""
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log.info(u'Alert Manager loaded')
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def __init__(self, parent):
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QtCore.QObject.__init__(self, parent)
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self.screen = None
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self.timer_id = 0
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self.alertList = []
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'live_display_active'), self.generateAlert)
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'alerts_text'), self.onAlertText)
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def onAlertText(self, message):
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"""
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Called via a alerts_text event. Message is single element array
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containing text
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"""
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if message:
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self.displayAlert(message[0])
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def displayAlert(self, text=u''):
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"""
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Called from the Alert Tab to display an alert
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``text``
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display text
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"""
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log.debug(u'display alert called %s' % text)
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if text:
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self.alertList.append(text)
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if self.timer_id != 0:
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Receiver.send_message(u'mainwindow_status_text',
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translate('AlertsPlugin.AlertsManager',
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'Alert message created and displayed.'))
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return
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Receiver.send_message(u'mainwindow_status_text', u'')
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self.generateAlert()
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def generateAlert(self):
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"""
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Format and request the Alert and start the timer
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"""
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log.debug(u'Generate Alert called')
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if not self.alertList:
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return
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text = self.alertList.pop(0)
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alertTab = self.parent().settingsTab
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self.parent().liveController.display.alert(text, alertTab.location)
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# Check to see if we have a timer running.
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if self.timer_id == 0:
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self.timer_id = self.startTimer(int(alertTab.timeout) * 1000)
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def timerEvent(self, event):
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"""
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Time has finished so if our time then request the next Alert
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if there is one and reset the timer.
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``event``
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the QT event that has been triggered.
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"""
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log.debug(u'timer event')
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if event.timerId() == self.timer_id:
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alertTab = self.parent().settingsTab
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self.parent().liveController.display.alert(u'', alertTab.location)
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self.killTimer(self.timer_id)
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self.timer_id = 0
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self.generateAlert()
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