forked from openlp/openlp
337 lines
14 KiB
Python
337 lines
14 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) 2008-2010 Raoul Snyman #
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# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Christian Richter, Maikel Stuivenberg, Martin #
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# Thompson, Jon Tibble, Carsten Tinggaard #
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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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import os
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from PyQt4 import QtCore, QtGui, QtWebKit
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from PyQt4.phonon import Phonon
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from openlp.core.lib import Receiver, resize_image, build_html, ServiceItem, image_to_byte
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from openlp.core.ui import HideMode
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log = logging.getLogger(__name__)
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#http://www.steveheffernan.com/html5-video-player/demo-video-player.html
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## QtCore.QObject.connect(Receiver.get_receiver(),
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## QtCore.SIGNAL(u'maindisplay_hide'), self.hideDisplay)
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## QtCore.QObject.connect(Receiver.get_receiver(),
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## QtCore.SIGNAL(u'maindisplay_show'), self.showDisplay)
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## QtCore.QObject.connect(Receiver.get_receiver(),
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## QtCore.SIGNAL(u'videodisplay_start'), self.onStartVideo)
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## QtCore.QObject.connect(Receiver.get_receiver(),
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## QtCore.SIGNAL(u'videodisplay_stop'), self.onStopVideo)
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## QtCore.QObject.connect(Receiver.get_receiver(),
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## QtCore.SIGNAL(u'config_updated'), self.setup)
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class DisplayWidget(QtGui.QGraphicsView):
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"""
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Customised version of QTableWidget which can respond to keyboard
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events.
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"""
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log.info(u'Display Widget loaded')
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def __init__(self, live, parent=None, name=None):
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QtGui.QGraphicsView.__init__(self)
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self.parent = parent
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self.live = live
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# self.hotkey_map = {
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# QtCore.Qt.Key_Return: 'servicemanager_next_item',
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# QtCore.Qt.Key_Space: 'slidecontroller_live_next_noloop',
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# QtCore.Qt.Key_Enter: 'slidecontroller_live_next_noloop',
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# QtCore.Qt.Key_0: 'servicemanager_next_item',
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# QtCore.Qt.Key_Backspace: 'slidecontroller_live_previous_noloop'}
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def keyPressEvent(self, event):
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# Key events only needed for live
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if not self.live:
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return
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# if isinstance(event, QtGui.QKeyEvent):
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# #here accept the event and do something
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# if event.key() == QtCore.Qt.Key_Up:
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# Receiver.send_message(u'slidecontroller_live_previous')
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# event.accept()
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# elif event.key() == QtCore.Qt.Key_Down:
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# Receiver.send_message(u'slidecontroller_live_next')
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# event.accept()
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# elif event.key() == QtCore.Qt.Key_PageUp:
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# Receiver.send_message(u'slidecontroller_live_first')
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# event.accept()
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# elif event.key() == QtCore.Qt.Key_PageDown:
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# Receiver.send_message(u'slidecontroller_live_last')
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# event.accept()
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# elif event.key() in self.hotkey_map:
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# Receiver.send_message(self.hotkey_map[event.key()])
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# event.accept()
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# elif event.key() == QtCore.Qt.Key_Escape:
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# self.resetDisplay()
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# event.accept()
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# event.ignore()
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# else:
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# event.ignore()
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class MainDisplay(DisplayWidget):
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def __init__(self, parent, screens, live):
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DisplayWidget.__init__(self, live, parent=None)
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self.parent = parent
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self.screens = screens
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self.isLive = live
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self.setWindowTitle(u'OpenLP Display')
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self.setWindowFlags(QtCore.Qt.FramelessWindowHint |
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QtCore.Qt.WindowStaysOnTopHint)
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self.currvideo = False
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self.video1 = "c:\\users\\jonathan\\Desktop\\Wildlife.wmv"
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self.video2 = "c:\\users\\jonathan\\Desktop\\movie.ogg"
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self.currslide = False
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self.slide1 = "<sup>[1:1]</sup> In the beginning God created the heavens and the earth.<br/><br/><sup> [1:2]</sup> Now the earth was formless and empty, darkness was over the surface of the deep, and the Spirit of God was hovering over the waters.<br/><br/><sup>[1:3]</sup> And God said, \"Let there be light,\" and there was light.<br/><br/><sup>[1:4]</sup> God saw that the light was good, and he separated the light from the darkness.<br/><br/>"
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self.slide2 = "<br /><br />This is the chorus<br />Blah Blah Blah<br />Blah Blah Blah<br />Blah Blah Blah<br />Blah Blah Blah<br />Blah Blah Blah"
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self.alerttext = "<p>Red Alert! Raise Shields!</p>"
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def setup(self):
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log.debug(u'Setup %s for %s ' % (
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self.screens, self.screens.monitor_number))
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self.screen = self.screens.current
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self.setVisible(False)
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self.setGeometry(self.screen[u'size'])
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self.webView = QtWebKit.QWebView(self)
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self.webView.setGeometry(0, 0, self.screen[u'size'].width(), self.screen[u'size'].height())
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self.page = self.webView.page()
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self.frame = self.page.mainFrame()
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QtCore.QObject.connect(self.webView,
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QtCore.SIGNAL(u'loadFinished(bool)'), self.loaded)
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self.frame.setScrollBarPolicy(QtCore.Qt.Vertical,
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QtCore.Qt.ScrollBarAlwaysOff)
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self.frame.setScrollBarPolicy(QtCore.Qt.Horizontal,
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QtCore.Qt.ScrollBarAlwaysOff)
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if self.isLive:
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#Build the initial frame.
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initialFrame = QtGui.QImage(
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self.screens.current[u'size'].width(),
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self.screens.current[u'size'].height(),
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QtGui.QImage.Format_ARGB32_Premultiplied)
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splash_image = QtGui.QImage(u':/graphics/openlp-splash-screen.png')
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painter_image = QtGui.QPainter()
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painter_image.begin(initialFrame)
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painter_image.fillRect(initialFrame.rect(), QtCore.Qt.white)
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painter_image.drawImage(
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(self.screens.current[u'size'].width() - splash_image.width()) / 2,
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(self.screens.current[u'size'].height() - splash_image.height()) / 2,
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splash_image)
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serviceItem = ServiceItem()
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serviceItem.bg_frame = initialFrame
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self.webView.setHtml(build_html(serviceItem, self.screen, None))
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self.show()
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def next(self):
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if self.currslide:
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self.frame.evaluateJavaScript("startfade('" + self.slide2 + "')")
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#self.frame.findFirstElement('div#lyrics').setInnerXml(self.slide2)
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else:
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self.frame.evaluateJavaScript("startfade('" + self.slide1 + "')")
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#self.frame.findFirstElement('div#lyrics').setInnerXml(self.slide1)
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self.currslide = not self.currslide
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def text(self, slide):
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print slide
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self.frame.findFirstElement('div#lyrics').setInnerXml(slide)
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return self.preview()
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def alert(self):
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self.frame.findFirstElement('div#alert').setInnerXml(self.alerttext)
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def image(self, image):
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image = resize_image(image, self.screen[u'size'].width(),
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self.screen[u'size'].height())
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self.frame.evaluateJavaScript(
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"document.getElementById('video').style.visibility = 'hidden'")
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self.frame.evaluateJavaScript(
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"document.getElementById('image').style.visibility = 'visible'")
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self.frame.findFirstElement('img').setAttribute(
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'src', unicode('data:image/png;base64,%s' % image_to_byte(image)))
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def reset(self):
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self.frame.findFirstElement('img').setAttribute(
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'src', unicode('data:image/png;base64,%s' % image_to_byte(self.serviceItem.bg_frame)))
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def video(self, videoPath, noSound=False):
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if self.currimage:
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self.frame.findFirstElement('video').setAttribute('src', videoPath)
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self.frame.evaluateJavaScript(
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"document.getElementById('video').style.visibility = 'visible'")
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self.frame.evaluateJavaScript(
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"document.getElementById('image').style.visibility = 'hidden'")
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self.frame.evaluateJavaScript("document.getElementById('video').play()")
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self.currimage = not self.currimage
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def loaded(self):
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self.loaded = True
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def preview(self):
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# Wait for the webview to update before geting the preview.
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# Important otherwise first preview will miss the background !
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while not self.loaded:
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Receiver.send_message(u'openlp_process_events')
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preview = QtGui.QImage(self.screen[u'size'].width(),
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self.screen[u'size'].height(),
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QtGui.QImage.Format_ARGB32_Premultiplied)
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painter = QtGui.QPainter(preview)
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painter.setRenderHint(QtGui.QPainter.Antialiasing)
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self.frame.render(painter)
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painter.end()
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if log.isEnabledFor(logging.DEBUG):
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#save preview for debugging
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preview.save("temp.png", "png")
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return preview
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def buildHtml(self, serviceItem):
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"""
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Store the serviceItem and build the new HTML from it. Add the
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HTML to the display
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"""
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self.loaded = False
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self.serviceItem = serviceItem
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html = build_html(self.serviceItem, self.screen, None)
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self.webView.setHtml(html)
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if serviceItem.footer:
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self.frame.findFirstElement('div#footer').setInnerXml(serviceItem.foot_text)
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def hideDisplay(self, mode=HideMode.Screen):
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"""
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Hide the display by making all layers transparent
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Store the images so they can be replaced when required
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"""
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log.debug(u'hideDisplay mode = %d', mode)
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#self.displayText.setPixmap(self.transparent)
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if mode == HideMode.Screen:
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#self.display_image.setPixmap(self.transparent)
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self.setVisible(False)
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elif mode == HideMode.Blank:
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self.displayBlank.setPixmap(
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QtGui.QPixmap.fromImage(self.blankFrame))
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else:
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if self.parent.renderManager.renderer.bg_frame:
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self.displayBlank.setPixmap(QtGui.QPixmap.fromImage(
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self.parent.renderManager.renderer.bg_frame))
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else:
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self.displayBlank.setPixmap(
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QtGui.QPixmap.fromImage(self.blankFrame))
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if mode != HideMode.Screen and self.isHidden():
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self.setVisible(True)
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def showDisplay(self, message=u''):
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"""
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Show the stored layers so the screen reappears as it was
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originally.
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Make the stored images None to release memory.
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"""
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log.debug(u'showDisplay')
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self.displayBlank.setPixmap(self.transparent)
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if self.isHidden():
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self.setVisible(True)
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#Trigger actions when display is active again
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Receiver.send_message(u'maindisplay_active')
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class AudioPlayer(QtCore.QObject):
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"""
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This Class will play audio only allowing components to work with a
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soundtrack independent of the user interface.
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"""
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log.info(u'AudioPlayer Loaded')
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def __init__(self, parent):
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"""
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The constructor for the display form.
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``parent``
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The parent widget.
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``screens``
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The list of screens.
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"""
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log.debug(u'AudioPlayer Initialisation started')
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QtCore.QObject.__init__(self, parent)
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self.message = None
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self.mediaObject = Phonon.MediaObject()
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self.audioObject = Phonon.AudioOutput(Phonon.VideoCategory)
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Phonon.createPath(self.mediaObject, self.audioObject)
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def setup(self):
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"""
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Sets up the Audio Player for use
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"""
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log.debug(u'AudioPlayer Setup')
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def close(self):
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"""
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Shutting down so clean up connections
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"""
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self.onMediaStop()
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for path in self.mediaObject.outputPaths():
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path.disconnect()
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def onMediaQueue(self, message):
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"""
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Set up a video to play from the serviceitem.
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"""
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log.debug(u'AudioPlayer Queue new media message %s' % message)
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file = os.path.join(message[0].get_frame_path(),
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message[0].get_frame_title())
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self.mediaObject.setCurrentSource(Phonon.MediaSource(file))
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self.onMediaPlay()
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def onMediaPlay(self):
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"""
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We want to play the play so start it
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"""
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log.debug(u'AudioPlayer _play called')
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self.mediaObject.play()
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def onMediaPause(self):
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"""
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Pause the Audio
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"""
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log.debug(u'AudioPlayer Media paused by user')
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self.mediaObject.pause()
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def onMediaStop(self):
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"""
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Stop the Audio and clean up
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"""
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log.debug(u'AudioPlayer Media stopped by user')
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self.message = None
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self.mediaObject.stop()
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self.onMediaFinish()
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def onMediaFinish(self):
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"""
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Clean up the Object queue
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"""
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log.debug(u'AudioPlayer Reached end of media playlist')
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self.mediaObject.clearQueue()
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