Mercurial > libervia-web
annotate browser_side/radiocol.py @ 384:8bb9c878b7e3
README update
author | Goffi <goffi@goffi.org> |
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date | Wed, 26 Feb 2014 14:00:07 +0100 |
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127 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
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4 # Libervia: a Salut à Toi frontend |
340 | 5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org> |
127 | 6 |
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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. |
127 | 11 |
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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. |
127 | 16 |
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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/>. |
127 | 19 |
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20 import pyjd # this is dummy in pyjs |
127 | 21 from pyjamas.ui.VerticalPanel import VerticalPanel |
22 from pyjamas.ui.HorizontalPanel import HorizontalPanel | |
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23 from pyjamas.ui.FlexTable import FlexTable |
127 | 24 from pyjamas.ui.FormPanel import FormPanel |
25 from pyjamas.ui.Label import Label | |
26 from pyjamas.ui.Button import Button | |
27 from pyjamas.ui.ClickListener import ClickHandler | |
128 | 28 from pyjamas.ui.Hidden import Hidden |
29 from pyjamas.ui.HTML import HTML | |
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30 from pyjamas.ui.CaptionPanel import CaptionPanel |
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31 from pyjamas.media.Audio import Audio |
127 | 32 from pyjamas import Window |
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33 from pyjamas.Timer import Timer |
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34 from __pyjamas__ import JS |
127 | 35 |
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36 from html_tools import html_sanitize |
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37 from file_tools import FilterFileUpload |
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38 from sat_frontends.tools.misc import DEFAULT_MUC |
127 | 39 |
40 | |
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41 class MetadataPanel(FlexTable): |
127 | 42 |
43 def __init__(self): | |
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44 FlexTable.__init__(self) |
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45 title_lbl = Label("title:") |
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46 title_lbl.setStyleName('radiocol_metadata_lbl') |
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47 artist_lbl = Label("artist:") |
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48 artist_lbl.setStyleName('radiocol_metadata_lbl') |
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49 album_lbl = Label("album:") |
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50 album_lbl.setStyleName('radiocol_metadata_lbl') |
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51 self.title = Label("") |
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52 self.title.setStyleName('radiocol_metadata') |
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53 self.artist = Label("") |
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54 self.artist.setStyleName('radiocol_metadata') |
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55 self.album = Label("") |
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56 self.album.setStyleName('radiocol_metadata') |
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57 self.setWidget(0, 0, title_lbl) |
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58 self.setWidget(1, 0, artist_lbl) |
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59 self.setWidget(2, 0, album_lbl) |
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60 self.setWidget(0, 1, self.title) |
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61 self.setWidget(1, 1, self.artist) |
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62 self.setWidget(2, 1, self.album) |
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63 self.setStyleName("radiocol_metadata_pnl") |
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64 |
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65 def setTitle(self, title): |
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66 self.title.setText(title) |
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67 |
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68 def setArtist(self, artist): |
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69 self.artist.setText(artist) |
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70 |
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71 def setAlbum(self, album): |
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72 self.album.setText(album) |
127 | 73 |
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74 |
127 | 75 class ControlPanel(FormPanel): |
76 """Panel used to show controls to add a song, or vote for the current one""" | |
77 | |
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78 def __init__(self, parent): |
127 | 79 FormPanel.__init__(self) |
80 self.setEncoding(FormPanel.ENCODING_MULTIPART) | |
81 self.setMethod(FormPanel.METHOD_POST) | |
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82 self.setAction("upload_radiocol") |
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83 self.timer_on = False |
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84 self._parent = parent |
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85 vPanel = VerticalPanel() |
127 | 86 |
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87 types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'), |
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88 ('video/ogg', '*.ogv', 'Ogg Vorbis Video'), |
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89 ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex')] |
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90 self.file_upload = FilterFileUpload("song", 10, types) |
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91 vPanel.add(self.file_upload) |
127 | 92 |
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93 hPanel = HorizontalPanel() |
130 | 94 self.upload_btn = Button("Upload song", getattr(self, "onBtnClick")) |
95 hPanel.add(self.upload_btn) | |
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96 self.status = Label() |
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97 self.updateStatus() |
130 | 98 hPanel.add(self.status) |
128 | 99 #We need to know the referee |
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100 referee_field = Hidden('referee', self._parent.referee) |
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101 hPanel.add(referee_field) |
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102 vPanel.add(hPanel) |
127 | 103 |
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104 self.add(vPanel) |
127 | 105 self.addFormHandler(self) |
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106 |
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107 def updateStatus(self): |
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108 if self.timer_on: |
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109 return |
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110 # TODO: the status should be different if a song is being played or not |
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111 queue = self._parent.getQueueSize() |
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112 queue_data = self._parent.queue_data |
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113 if queue < queue_data[0]: |
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114 left = queue_data[0] - queue |
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115 self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else "")) |
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116 elif queue < queue_data[1]: |
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117 left = queue_data[1] - queue |
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118 self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else "")) |
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119 elif queue >= queue_data[1]: |
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120 self.status.setText("[The queue is currently full]") |
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121 self.status.setStyleName('radiocol_status') |
127 | 122 |
123 def onBtnClick(self): | |
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124 if self.file_upload.check(): |
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125 self.submit() |
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126 self.file_upload.setFilename("") |
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127 self.status.setText('[Submitting, please wait...]') |
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128 |
127 | 129 def onSubmit(self, event): |
130 pass | |
131 | |
130 | 132 def blockUpload(self): |
133 self.file_upload.setVisible(False) | |
134 self.upload_btn.setEnabled(False) | |
135 | |
136 def unblockUpload(self): | |
137 self.file_upload.setVisible(True) | |
138 self.upload_btn.setEnabled(True) | |
139 | |
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140 def setTemporaryStatus(self, text, style): |
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141 self.status.setText(text) |
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142 self.status.setStyleName('radiocol_upload_status_%s' % style) |
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143 self.timer_on = True |
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144 |
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145 def cb(): |
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146 self.timer_on = False |
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147 self.updateStatus() |
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148 |
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149 Timer(5000, cb) |
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150 |
127 | 151 def onSubmitComplete(self, event): |
152 result = event.getResults() | |
153 if result == "OK": | |
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154 # the song can still be rejected (not readable, full queue...) |
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155 self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok") |
127 | 156 elif result == "KO": |
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157 self.setTemporaryStatus('[Something went wrong during your song upload]', "ko") |
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158 self._parent.radiocolSongRejected("Uploaded file is not Ogg Vorbis song, only Ogg Vorbis songs are acceptable") |
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159 # TODO: would be great to re-use the original Exception class and message |
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160 # but it is lost in the middle of the traceback and encapsulated within |
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161 # a DBusException instance --> extract the data from the traceback? |
127 | 162 else: |
163 Window.alert('Submit error: %s' % result) | |
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164 self.status.setText('') |
127 | 165 |
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166 |
341
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167 class Player(Audio): |
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168 |
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169 def __init__(self, player_id, metadata_panel): |
341
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170 Audio.__init__(self) |
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171 self._id = player_id |
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172 self.metadata = metadata_panel |
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173 self.timestamp = "" |
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174 self.title = "" |
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175 self.artist = "" |
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176 self.album = "" |
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177 self.filename = None |
341
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178 self.played = False # True when the song is playing/has played, becomes False on preload |
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179 self.setAutobuffer(True) |
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180 self.setAutoplay(False) |
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181 self.setVisible(False) |
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182 |
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183 |
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184 def preload(self, timestamp, filename, title, artist, album): |
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185 """preload the song but doesn't play it""" |
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186 self.timestamp = timestamp |
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187 self.filename = filename |
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188 self.title = title |
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189 self.artist = artist |
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190 self.album = album |
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191 self.played = False |
341
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192 self.setSrc("radiocol/%s" % html_sanitize(filename)) |
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193 print "preloading %s in %s" % (title, self._id) |
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194 |
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195 def play(self, play=True): |
341
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196 """Play or pause the song |
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197 @param play: set to True to play or to False to pause |
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198 """ |
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199 if play: |
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200 self.played = True |
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201 self.metadata.setTitle(self.title) |
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202 self.metadata.setArtist(self.artist) |
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203 self.metadata.setAlbum(self.album) |
341
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204 Audio.play(self) |
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205 else: |
341
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206 self.pause() |
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207 |
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208 |
127 | 209 class RadioColPanel(HorizontalPanel, ClickHandler): |
210 | |
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211 def __init__(self, parent, referee, player_nick, players, queue_data): |
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212 # We need to set it here and not in the CSS :( |
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213 HorizontalPanel.__init__(self, Height="90px") |
127 | 214 ClickHandler.__init__(self) |
215 self._parent = parent | |
216 self.referee = referee | |
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217 self.queue_data = queue_data |
127 | 218 self.setStyleName("radiocolPanel") |
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219 |
127 | 220 # Now we set up the layout |
221 self.metadata_panel = MetadataPanel() | |
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222 self.add(CaptionPanel("Now playing", self.metadata_panel)) |
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223 self.playlist_panel = VerticalPanel() |
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224 self.add(CaptionPanel("Songs queue", self.playlist_panel)) |
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225 self.control_panel = ControlPanel(self) |
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226 self.add(CaptionPanel("Controls", self.control_panel)) |
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227 |
130 | 228 self.next_songs = [] |
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229 self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)] |
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230 self.current_player = None |
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231 for player in self.players: |
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232 self.add(player) |
127 | 233 self.addClickListener(self) |
130 | 234 |
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235 help_msg = HTML("""- This radio plays Ogg Vorbis files.<br /> |
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236 - What's that? I only know MP3!<br /> |
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237 - Click <a style="color: red;">here</a> if you need some support :) |
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238 """) |
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239 help_msg.setStyleName('chatTextInfo-link') |
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240 help_msg.addClickListener(lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick)) |
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241 self._parent.content.add(help_msg) |
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242 |
130 | 243 def pushNextSong(self, title): |
244 """Add a song to the left panel's next songs queue""" | |
245 next_song = Label(title) | |
246 next_song.setStyleName("radiocol_next_song") | |
247 self.next_songs.append(next_song) | |
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248 self.playlist_panel.append(next_song) |
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249 self.control_panel.updateStatus() |
130 | 250 |
251 def popNextSong(self): | |
252 """Remove the first song of next songs list | |
253 should be called when the song is played""" | |
254 #FIXME: should check that the song we remove is the one we play | |
255 next_song = self.next_songs.pop(0) | |
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256 self.playlist_panel.remove(next_song) |
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257 self.control_panel.updateStatus() |
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258 |
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259 def getQueueSize(self): |
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260 return len(self.playlist_panel.getChildren()) |
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261 |
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262 def radiocolCheckPreload(self, timestamp): |
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263 for player in self.players: |
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264 if player.timestamp == timestamp: |
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265 return False |
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266 return True |
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267 |
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268 def radiocolPreload(self, timestamp, filename, title, artist, album): |
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269 if not self.radiocolCheckPreload(timestamp): |
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270 return # song already preloaded |
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271 preloaded = False |
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272 for player in self.players: |
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273 if not player.filename or \ |
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274 (player.played and player != self.current_player): |
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275 #if player has no file loaded, or it has already played its song |
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276 #we use it to preload the next one |
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277 player.preload(timestamp, filename, title, artist, album) |
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278 preloaded = True |
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279 break |
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280 if not preloaded: |
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281 print("WARNING: Can't preload song, we are getting too many songs to preload, we shouldn't have more than 2 at once") |
130 | 282 else: |
283 self.pushNextSong(title) | |
243
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284 |
130 | 285 def radiocolPlay(self, filename): |
287
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286 found = False |
130 | 287 for player in self.players: |
287
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288 if not found and player.filename == filename: |
130 | 289 player.play() |
290 self.popNextSong() | |
291 self.current_player = player | |
287
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292 found = True |
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293 else: |
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browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents:
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294 player.play(False) # in case the previous player was not sync |
7a1dc69112b8
browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents:
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295 if not found: |
7a1dc69112b8
browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents:
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296 print("WARNING: Song not found in queue, can't play it. This should not happen") |
127 | 297 |
130 | 298 def radiocolNoUpload(self): |
299 self.control_panel.blockUpload() | |
129
dd0d39ae7d24
RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents:
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300 |
130 | 301 def radiocolUploadOk(self): |
302 self.control_panel.unblockUpload() | |
303 | |
304 def radiocolSongRejected(self, reason): | |
305 Window.alert("Song rejected: %s" % reason) |