2011-04-18 19:50:12 +00:00
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# -*- 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) 2008-2011 Raoul Snyman #
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2011-06-14 16:10:20 +00:00
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# Portions copyright (c) 2008-2011 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Michael Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan, #
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# Armin Köhler, Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias #
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# Põldaru, Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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2011-04-18 19:50:12 +00:00
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund #
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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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2011-05-21 08:18:52 +00:00
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import logging
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2011-05-17 19:50:00 +00:00
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from PyQt4 import QtCore, QtGui, QtWebKit
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2011-06-05 21:10:49 +00:00
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from openlp.core.lib import OpenLPToolbar, translate
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2011-07-10 21:43:07 +00:00
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from openlp.core.ui.media import MediaAPI, MediaState
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2011-04-18 19:50:12 +00:00
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2011-05-21 08:18:52 +00:00
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log = logging.getLogger(__name__)
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2011-06-05 21:10:49 +00:00
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class WebkitAPI(MediaAPI):
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2011-04-18 19:50:12 +00:00
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"""
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2011-06-05 21:10:49 +00:00
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Specialiced MediaAPI class
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to reflect Features of the QtWebkit API
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2011-04-18 19:50:12 +00:00
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"""
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2011-05-10 20:39:17 +00:00
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2011-04-18 19:50:12 +00:00
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def __init__(self, parent):
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2011-06-08 13:18:05 +00:00
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MediaAPI.__init__(self, parent, u'Webkit')
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2011-05-10 20:39:17 +00:00
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self.parent = parent
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2011-05-23 19:37:44 +00:00
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self.canBackground = True
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self.video_extensions_list = [
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u'*.3gp'
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, u'*.3gpp'
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, u'*.3g2'
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, u'*.3gpp2'
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, u'*.aac'
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, u'*.flv'
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, u'*.f4a'
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, u'*.f4b'
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, u'*.f4p'
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, u'*.f4v'
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, u'*.mov'
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, u'*.m4a'
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, u'*.m4b'
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, u'*.m4p'
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, u'*.m4v'
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, u'*.mkv'
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, u'*.mp4'
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, u'*.mp3'
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, u'*.ogg'
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, u'*.ogv'
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, u'*.webm'
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2011-05-24 20:03:57 +00:00
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, u'*.swf', u'*.mpg', u'*.wmv', u'*.mpeg', u'*.avi'
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2011-05-23 19:37:44 +00:00
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]
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2011-04-18 19:50:12 +00:00
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2011-06-05 21:10:49 +00:00
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def setup_controls(self, controller, control_panel):
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# no special controls
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pass
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2011-06-14 16:10:20 +00:00
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def getDisplayCss(self):
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2011-06-08 13:18:05 +00:00
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"""
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Add css style sheets to htmlbuilder
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"""
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css = u'''
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2011-06-14 16:10:20 +00:00
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#video1 {
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z-index:3;
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}
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#video2 {
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z-index:3;
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}
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#flash {
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z-index:4;
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}
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2011-06-08 13:18:05 +00:00
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'''
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return css
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2011-06-14 16:10:20 +00:00
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def getDisplayJavascript(self):
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2011-06-08 13:18:05 +00:00
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"""
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Add javascript functions to htmlbuilder
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"""
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js = u'''
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var video_timer = null;
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var current_video = '1';
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function show_video(state, path, volume, loop, seekVal){
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// Note, the preferred method for looping would be to use the
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// video tag loop attribute.
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// But QtWebKit doesn't support this. Neither does it support the
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// onended event, hence the setInterval()
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// In addition, setting the currentTime attribute to zero to restart
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// the video raises an INDEX_SIZE_ERROR: DOM Exception 1
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// To complicate it further, sometimes vid.currentTime stops
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// slightly short of vid.duration and vid.ended is intermittent!
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//
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// Note, currently the background may go black between loops. Not
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// desirable. Need to investigate using two <video>'s, and hiding/
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// preloading one, and toggle between the two when looping.
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if(current_video=='1'){
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var vid = document.getElementById('video1');
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var vid2 = document.getElementById('video2');
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} else {
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var vid = document.getElementById('video2');
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var vid2 = document.getElementById('video1');
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}
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if(volume != null){
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vid.volume = volume;
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vid2.volume = volume;
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}
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switch(state){
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case 'init':
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vid.src = path;
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vid2.src = path;
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if(loop == null) loop = false;
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vid.looping = loop;
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vid2.looping = loop;
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vid.load();
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break;
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case 'load':
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vid2.style.visibility = 'hidden';
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vid2.load();
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break;
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case 'play':
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vid.play();
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vid.style.visibility = 'visible';
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if(vid.looping){
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video_timer = setInterval(
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function() {
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show_video('poll');
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}, 200);
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}
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break;
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case 'pause':
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if(video_timer!=null){
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clearInterval(video_timer);
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video_timer = null;
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}
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vid.pause();
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break;
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case 'stop':
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show_video('pause');
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vid.style.visibility = 'hidden';
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break;
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case 'poll':
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if(vid.ended||vid.currentTime+0.2>vid.duration)
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show_video('swap');
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break;
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case 'swap':
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show_video('pause');
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if(current_video=='1')
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current_video = '2';
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else
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current_video = '1';
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show_video('play');
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show_video('load');
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break;
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case 'close':
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show_video('stop');
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vid.src = '';
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vid2.src = '';
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break;
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case 'length':
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return vid.duration;
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case 'currentTime':
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return vid.currentTime;
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case 'seek':
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2011-07-18 21:25:10 +00:00
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// doesnt work currently
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2011-06-08 13:18:05 +00:00
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//vid.currentTime = seekVal;
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break;
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}
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}
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function getFlashMovieObject(movieName)
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{
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if (window.document[movieName])
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{
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return window.document[movieName];
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}
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if (document.embeds && document.embeds[movieName])
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return document.embeds[movieName];
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}
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// http://www.adobe.com/support/flash/publishexport/scriptingwithflash/scriptingwithflash_03.html
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function show_flash(state, path, volume, seekVal){
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var text = document.getElementById('flash');
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var flashMovie = getFlashMovieObject("OpenLPFlashMovie");
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var src = "src = 'file:///" + path + "'";
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var view_parm = " wmode='opaque'" +
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2011-08-23 20:19:45 +00:00
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" width='100%%'" +
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" height='100%%'";
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2011-06-08 13:18:05 +00:00
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var swf_parm = " name='OpenLPFlashMovie'" +
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" autostart='true' loop='false' play='true'" +
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" hidden='false' swliveconnect='true' allowscriptaccess='always'" +
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" volume='" + volume + "'";
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switch(state){
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case 'load':
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text.innerHTML = "<embed " + src + view_parm + swf_parm + "/>";
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flashMovie = getFlashMovieObject("OpenLPFlashMovie");
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text.style.visibility = 'visible';
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flashMovie.Play();
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break;
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case 'play':
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text.style.visibility = 'visible';
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flashMovie.Play();
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break;
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case 'pause':
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flashMovie.StopPlay();
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text.style.visibility = 'hidden';
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break;
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case 'stop':
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flashMovie.StopPlay();
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text.style.visibility = 'hidden';
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tempHtml = text.innerHTML;
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text.innerHTML = '';
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text.innerHTML = tempHtml;
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break;
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case 'close':
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flashMovie.StopPlay();
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text.style.visibility = 'hidden';
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text.innerHTML = '';
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break;
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case 'length':
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return flashMovie.TotalFrames();
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case 'currentTime':
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return flashMovie.CurrentFrame();
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case 'seek':
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// flashMovie.GotoFrame(seekVal);
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break;
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}
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}
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'''
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return js
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2011-06-14 16:10:20 +00:00
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def getDisplayHtml(self):
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2011-06-08 13:18:05 +00:00
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"""
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Add html code to htmlbuilder
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"""
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html = u'''
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<video id="video1" class="size" style="visibility:hidden" autobuffer preload>
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</video>
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<video id="video2" class="size" style="visibility:hidden" autobuffer preload>
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</video>
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<div id="flash" class="size" style="visibility:hidden"></div>
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'''
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return html
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2011-06-05 21:10:49 +00:00
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def setup(self, display):
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2011-06-08 13:18:05 +00:00
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display.webView.resize(display.size())
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2011-05-17 19:50:00 +00:00
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display.webView.raise_()
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self.hasOwnWidget = False
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2011-07-10 21:43:07 +00:00
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#display.webView.hide()
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2011-05-17 19:50:00 +00:00
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2011-06-08 13:18:05 +00:00
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def check_available(self):
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2011-05-17 19:50:00 +00:00
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return True
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2011-06-05 21:10:49 +00:00
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def load(self, display):
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2011-05-21 08:18:52 +00:00
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log.debug(u'load vid in Webkit Controller')
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2011-06-06 19:12:14 +00:00
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controller = display.controller
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2011-08-23 20:19:45 +00:00
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if display.hasAudio:
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volume = controller.media_info.volume
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vol = float(volume) / float(100)
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else:
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vol = 0
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2011-06-05 21:10:49 +00:00
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path = controller.media_info.file_info.absoluteFilePath()
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if controller.media_info.is_background:
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2011-05-24 20:03:57 +00:00
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loop = u'true'
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else:
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loop = u'false'
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2011-04-18 19:50:12 +00:00
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display.webView.setVisible(True)
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2011-06-05 21:10:49 +00:00
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if controller.media_info.file_info.suffix() == u'swf':
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controller.media_info.isFlash = True
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2011-04-18 19:50:12 +00:00
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js = u'show_flash("load","%s");' % \
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(path.replace(u'\\', u'\\\\'))
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else:
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2011-05-24 20:03:57 +00:00
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js = u'show_video("init", "%s", %s, %s);' % \
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(path.replace(u'\\', u'\\\\'), str(vol), loop)
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2011-04-18 19:50:12 +00:00
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display.frame.evaluateJavaScript(js)
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2011-05-21 08:18:52 +00:00
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return True
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2011-05-10 20:39:17 +00:00
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2011-06-05 21:10:49 +00:00
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def resize(self, display):
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2011-06-06 19:12:14 +00:00
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controller = display.controller
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display.webView.resize(display.size())
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2011-04-18 19:50:12 +00:00
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def play(self, display):
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2011-06-06 19:12:14 +00:00
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controller = display.controller
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2011-05-24 20:03:57 +00:00
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display.webLoaded = True
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2011-07-25 20:56:39 +00:00
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length = 0
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2011-05-17 19:50:00 +00:00
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self.set_visible(display, True)
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2011-06-05 21:10:49 +00:00
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if controller.media_info.isFlash:
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display.frame.evaluateJavaScript(u'show_flash("play");')
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2011-04-18 19:50:12 +00:00
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else:
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display.frame.evaluateJavaScript(u'show_video("play");')
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2011-07-25 20:56:39 +00:00
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#TODO add playing check and get the correct media length
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controller.media_info.length = length
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2011-05-10 20:39:17 +00:00
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self.state = MediaState.Playing
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2011-04-18 19:50:12 +00:00
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def pause(self, display):
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2011-06-06 19:12:14 +00:00
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controller = display.controller
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2011-06-05 21:10:49 +00:00
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if controller.media_info.isFlash:
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display.frame.evaluateJavaScript(u'show_flash("pause");')
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2011-04-18 19:50:12 +00:00
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else:
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display.frame.evaluateJavaScript(u'show_video("pause");')
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2011-05-10 20:39:17 +00:00
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self.state = MediaState.Paused
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2011-04-18 19:50:12 +00:00
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def stop(self, display):
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2011-06-06 19:12:14 +00:00
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controller = display.controller
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2011-06-05 21:10:49 +00:00
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if controller.media_info.isFlash:
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display.frame.evaluateJavaScript(u'show_flash("stop");')
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2011-04-18 19:50:12 +00:00
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else:
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display.frame.evaluateJavaScript(u'show_video("stop");')
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2011-05-10 20:39:17 +00:00
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self.state = MediaState.Stopped
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def volume(self, display, vol):
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2011-06-06 19:12:14 +00:00
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controller = display.controller
|
2011-06-05 21:10:49 +00:00
|
|
|
# 1.0 is the highest value
|
2011-08-23 20:19:45 +00:00
|
|
|
if display.hasAudio:
|
2011-06-14 16:10:20 +00:00
|
|
|
vol = float(vol) / float(100)
|
|
|
|
if not controller.media_info.isFlash:
|
|
|
|
display.frame.evaluateJavaScript(
|
|
|
|
u'show_video(null, null, %s);' % str(vol))
|
2011-04-18 19:50:12 +00:00
|
|
|
|
2011-04-19 12:03:36 +00:00
|
|
|
def seek(self, display, seekVal):
|
2011-06-06 19:12:14 +00:00
|
|
|
controller = display.controller
|
2011-06-05 21:10:49 +00:00
|
|
|
if controller.media_info.isFlash:
|
|
|
|
seek = seekVal
|
|
|
|
display.frame.evaluateJavaScript( \
|
|
|
|
u'show_flash("seek", null, null, "%s");' % (seek))
|
|
|
|
else:
|
2011-05-17 19:50:00 +00:00
|
|
|
seek = float(seekVal)/1000
|
2011-05-21 08:18:52 +00:00
|
|
|
display.frame.evaluateJavaScript( \
|
|
|
|
u'show_video("seek", null, null, null, "%f");' % (seek))
|
2011-04-18 19:50:12 +00:00
|
|
|
|
|
|
|
def reset(self, display):
|
2011-06-06 19:12:14 +00:00
|
|
|
controller = display.controller
|
2011-06-05 21:10:49 +00:00
|
|
|
if controller.media_info.isFlash:
|
|
|
|
display.frame.evaluateJavaScript(u'show_flash("close");')
|
2011-05-10 20:39:17 +00:00
|
|
|
else:
|
|
|
|
display.frame.evaluateJavaScript(u'show_video("close");')
|
2011-05-17 19:50:00 +00:00
|
|
|
self.state = MediaState.Off
|
|
|
|
|
|
|
|
def set_visible(self, display, status):
|
|
|
|
if self.hasOwnWidget:
|
|
|
|
display.webView.setVisible(status)
|
2011-04-19 12:03:36 +00:00
|
|
|
|
2011-06-05 21:10:49 +00:00
|
|
|
def update_ui(self, display):
|
2011-06-06 19:12:14 +00:00
|
|
|
controller = display.controller
|
2011-06-05 21:10:49 +00:00
|
|
|
if controller.media_info.isFlash:
|
2011-05-21 08:18:52 +00:00
|
|
|
currentTime = display.frame.evaluateJavaScript( \
|
2011-06-05 21:10:49 +00:00
|
|
|
u'show_flash("currentTime");').toInt()[0]
|
|
|
|
length = display.frame.evaluateJavaScript( \
|
|
|
|
u'show_flash("length");').toInt()[0]
|
|
|
|
else:
|
|
|
|
(currentTime, ok) = display.frame.evaluateJavaScript( \
|
|
|
|
u'show_video("currentTime");').toFloat()
|
2011-06-06 19:12:14 +00:00
|
|
|
# check if conversion was ok and value is not 'NaN'
|
|
|
|
if ok and currentTime == currentTime:
|
2011-06-05 21:10:49 +00:00
|
|
|
currentTime = int(currentTime*1000)
|
|
|
|
(length, ok) = display.frame.evaluateJavaScript( \
|
|
|
|
u'show_video("length");').toFloat()
|
2011-06-06 19:12:14 +00:00
|
|
|
# check if conversion was ok and value is not 'NaN'
|
|
|
|
if ok and length == length:
|
2011-06-05 21:10:49 +00:00
|
|
|
length = int(length*1000)
|
|
|
|
if currentTime > 0:
|
2011-07-25 20:56:39 +00:00
|
|
|
controller.media_info.length = length
|
2011-06-05 21:10:49 +00:00
|
|
|
controller.seekSlider.setMaximum(length)
|
|
|
|
if not controller.seekSlider.isSliderDown():
|
|
|
|
controller.seekSlider.setSliderPosition(currentTime)
|