Mercurial > libervia-web
annotate browser_side/radiocol.py @ 325:d07b54fdc60a
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author | souliane <souliane@mailoo.org> |
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date | Tue, 07 Jan 2014 15:39:16 +0100 |
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127 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
4 """ | |
5 Libervia: a Salut à Toi frontend | |
165 | 6 Copyright (C) 2011, 2012, 2013 Jérôme Poisson <goffi@goffi.org> |
127 | 7 |
8 This program is free software: you can redistribute it and/or modify | |
9 it under the terms of the GNU Affero General Public License as published by | |
10 the Free Software Foundation, either version 3 of the License, or | |
11 (at your option) any later version. | |
12 | |
13 This program is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU Affero General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU Affero General Public License | |
19 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 """ | |
21 | |
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22 import pyjd # this is dummy in pyjs |
127 | 23 from pyjamas.ui.VerticalPanel import VerticalPanel |
24 from pyjamas.ui.HorizontalPanel import HorizontalPanel | |
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25 from pyjamas.ui.FlexTable import FlexTable |
127 | 26 from pyjamas.ui.FormPanel import FormPanel |
27 from pyjamas.ui.Label import Label | |
28 from pyjamas.ui.Button import Button | |
29 from pyjamas.ui.ClickListener import ClickHandler | |
128 | 30 from pyjamas.ui.Hidden import Hidden |
31 from pyjamas.ui.HTML import HTML | |
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32 from pyjamas.ui.CaptionPanel import CaptionPanel |
127 | 33 from pyjamas import Window |
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34 from pyjamas.Timer import Timer |
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35 from __pyjamas__ import JS |
127 | 36 |
37 from tools import html_sanitize | |
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38 from tools import FilterFileUpload |
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39 from sat_frontends.tools.misc import DEFAULT_MUC |
127 | 40 |
41 | |
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42 class MetadataPanel(FlexTable): |
127 | 43 |
44 def __init__(self): | |
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45 FlexTable.__init__(self) |
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46 title_lbl = Label("title:") |
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47 title_lbl.setStyleName('radiocol_metadata_lbl') |
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48 artist_lbl = Label("artist:") |
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49 artist_lbl.setStyleName('radiocol_metadata_lbl') |
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50 album_lbl = Label("album:") |
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51 album_lbl.setStyleName('radiocol_metadata_lbl') |
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52 self.title = Label("") |
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53 self.title.setStyleName('radiocol_metadata') |
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54 self.artist = Label("") |
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55 self.artist.setStyleName('radiocol_metadata') |
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56 self.album = Label("") |
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57 self.album.setStyleName('radiocol_metadata') |
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58 self.setWidget(0, 0, title_lbl) |
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59 self.setWidget(1, 0, artist_lbl) |
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60 self.setWidget(2, 0, album_lbl) |
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61 self.setWidget(0, 1, self.title) |
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62 self.setWidget(1, 1, self.artist) |
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63 self.setWidget(2, 1, self.album) |
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64 self.setStyleName("radiocol_metadata_pnl") |
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65 |
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66 def setTitle(self, title): |
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67 self.title.setText(title) |
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68 |
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69 def setArtist(self, artist): |
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70 self.artist.setText(artist) |
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71 |
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72 def setAlbum(self, album): |
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73 self.album.setText(album) |
127 | 74 |
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75 |
127 | 76 class ControlPanel(FormPanel): |
77 """Panel used to show controls to add a song, or vote for the current one""" | |
78 | |
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79 def __init__(self, parent): |
127 | 80 FormPanel.__init__(self) |
81 self.setEncoding(FormPanel.ENCODING_MULTIPART) | |
82 self.setMethod(FormPanel.METHOD_POST) | |
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83 self.setAction("upload_radiocol") |
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84 self.timer_on = False |
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85 self._parent = parent |
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86 vPanel = VerticalPanel() |
127 | 87 |
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88 types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'), |
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89 ('video/ogg', '*.ogv', 'Ogg Vorbis Video'), |
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90 ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex')] |
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91 self.file_upload = FilterFileUpload("song", 10, types) |
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92 vPanel.add(self.file_upload) |
127 | 93 |
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94 hPanel = HorizontalPanel() |
130 | 95 self.upload_btn = Button("Upload song", getattr(self, "onBtnClick")) |
96 hPanel.add(self.upload_btn) | |
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97 self.status = Label() |
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98 self.updateStatus() |
130 | 99 hPanel.add(self.status) |
128 | 100 #We need to know the referee |
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101 referee_field = Hidden('referee', self._parent.referee) |
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102 hPanel.add(referee_field) |
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103 vPanel.add(hPanel) |
127 | 104 |
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105 self.add(vPanel) |
127 | 106 self.addFormHandler(self) |
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107 |
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108 def updateStatus(self): |
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109 if self.timer_on: |
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110 return |
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111 # TODO: the status should be different if a song is being played or not |
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112 queue = self._parent.getQueueSize() |
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113 queue_data = self._parent.queue_data |
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114 if queue < queue_data[0]: |
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115 left = queue_data[0] - queue |
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116 self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else "")) |
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117 elif queue < queue_data[1]: |
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118 left = queue_data[1] - queue |
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119 self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else "")) |
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120 elif queue >= queue_data[1]: |
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121 self.status.setText("[The queue is currently full]") |
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122 self.status.setStyleName('radiocol_status') |
127 | 123 |
124 def onBtnClick(self): | |
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125 if self.file_upload.check(): |
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126 self.submit() |
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127 self.file_upload.setFilename("") |
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128 self.status.setText('[Submitting, please wait...]') |
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129 |
127 | 130 def onSubmit(self, event): |
131 pass | |
132 | |
130 | 133 def blockUpload(self): |
134 self.file_upload.setVisible(False) | |
135 self.upload_btn.setEnabled(False) | |
136 | |
137 def unblockUpload(self): | |
138 self.file_upload.setVisible(True) | |
139 self.upload_btn.setEnabled(True) | |
140 | |
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141 def setTemporaryStatus(self, text, style): |
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142 self.status.setText(text) |
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143 self.status.setStyleName('radiocol_upload_status_%s' % style) |
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144 self.timer_on = True |
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145 |
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146 def cb(): |
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147 self.timer_on = False |
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148 self.updateStatus() |
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149 |
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150 Timer(5000, cb) |
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151 |
127 | 152 def onSubmitComplete(self, event): |
153 result = event.getResults() | |
154 if result == "OK": | |
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155 # the song can still be rejected (not readable, full queue...) |
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156 self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok") |
127 | 157 elif result == "KO": |
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158 self.setTemporaryStatus('[Something went wrong during your song upload]', "ko") |
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159 self._parent.radiocolSongRejected("Uploaded file is not Ogg Vorbis song, only Ogg Vorbis songs are acceptable") |
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160 # TODO: would be great to re-use the original Exception class and message |
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161 # but it is lost in the middle of the traceback and encapsulated within |
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162 # a DBusException instance --> extract the data from the traceback? |
127 | 163 else: |
164 Window.alert('Submit error: %s' % result) | |
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165 self.status.setText('') |
127 | 166 |
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167 |
129
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168 class Player(HTML): |
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169 |
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170 def __init__(self, player_id, metadata_panel): |
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171 HTML.__init__(self) |
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172 self._id = player_id |
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173 self.metadata = metadata_panel |
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174 self.timestamp = "" |
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175 self.title = "" |
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176 self.artist = "" |
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177 self.album = "" |
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178 self.filename = None |
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179 self.played = False # True when song is playing/played, become False on preload |
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180 |
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181 def preload(self, timestamp, filename, title, artist, album): |
129
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182 """preload the song but doesn't play it""" |
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183 self.timestamp = timestamp |
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184 self.filename = filename |
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185 self.title = title |
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186 self.artist = artist |
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187 self.album = album |
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188 self.played = False |
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189 self.setHTML('<audio id="%s" style="display: none" preload="auto" src="radiocol/%s" />' % (self._id, html_sanitize(filename))) |
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190 print "preloading %s in %s" % (title, self._id) |
243
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191 |
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192 def play(self, play=True): |
129
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193 """actually play the song""" |
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194 if play: |
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195 self.played = True |
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196 self.metadata.setTitle(self.title) |
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197 self.metadata.setArtist(self.artist) |
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198 self.metadata.setAlbum(self.album) |
129
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199 |
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200 if play: # JS only support constant strings |
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201 JS("""var player = top.document.getElementById(this._id); if (player) player.play();""") |
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202 else: |
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203 JS("""var player = top.document.getElementById(this._id); if (player) player.pause();""") |
129
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204 |
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205 |
127 | 206 class RadioColPanel(HorizontalPanel, ClickHandler): |
207 | |
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208 def __init__(self, parent, referee, player_nick, players, queue_data): |
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209 # We need to set it here and not in the CSS :( |
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210 HorizontalPanel.__init__(self, Height="90px") |
127 | 211 ClickHandler.__init__(self) |
212 self._parent = parent | |
213 self.referee = referee | |
285
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214 self.queue_data = queue_data |
127 | 215 self.setStyleName("radiocolPanel") |
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216 |
127 | 217 # Now we set up the layout |
218 self.metadata_panel = MetadataPanel() | |
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219 self.add(CaptionPanel("Now playing", self.metadata_panel)) |
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220 self.playlist_panel = VerticalPanel() |
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221 self.add(CaptionPanel("Songs queue", self.playlist_panel)) |
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222 self.control_panel = ControlPanel(self) |
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223 self.add(CaptionPanel("Controls", self.control_panel)) |
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224 |
130 | 225 self.next_songs = [] |
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226 self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)] |
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227 self.current_player = None |
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228 for player in self.players: |
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229 self.add(player) |
127 | 230 self.addClickListener(self) |
130 | 231 |
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232 help_msg = HTML("""- This radio plays Ogg Vorbis files.<br /> |
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233 - What's that? I only know MP3!<br /> |
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234 - Click <a style="color: red;">here</a> if you need some support :) |
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235 """) |
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236 help_msg.setStyleName('chatTextInfo-link') |
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237 help_msg.addClickListener(lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick)) |
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238 self._parent.content.add(help_msg) |
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239 |
130 | 240 def pushNextSong(self, title): |
241 """Add a song to the left panel's next songs queue""" | |
242 next_song = Label(title) | |
243 next_song.setStyleName("radiocol_next_song") | |
244 self.next_songs.append(next_song) | |
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245 self.playlist_panel.append(next_song) |
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246 self.control_panel.updateStatus() |
130 | 247 |
248 def popNextSong(self): | |
249 """Remove the first song of next songs list | |
250 should be called when the song is played""" | |
251 #FIXME: should check that the song we remove is the one we play | |
252 next_song = self.next_songs.pop(0) | |
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253 self.playlist_panel.remove(next_song) |
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254 self.control_panel.updateStatus() |
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255 |
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256 def getQueueSize(self): |
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257 return len(self.playlist_panel.getChildren()) |
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258 |
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259 def radiocolCheckPreload(self, timestamp): |
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260 for player in self.players: |
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261 if player.timestamp == timestamp: |
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262 return False |
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263 return True |
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264 |
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265 def radiocolPreload(self, timestamp, filename, title, artist, album): |
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266 if not self.radiocolCheckPreload(timestamp): |
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267 return # song already preloaded |
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268 preloaded = False |
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269 for player in self.players: |
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270 if not player.filename or \ |
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271 (player.played and player != self.current_player): |
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272 #if player has no file loaded, or it has already played its song |
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273 #we use it to preload the next one |
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274 player.preload(timestamp, filename, title, artist, album) |
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275 preloaded = True |
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276 break |
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277 if not preloaded: |
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278 print("WARNING: Can't preload song, we are getting too many songs to preload, we shouldn't have more than 2 at once") |
130 | 279 else: |
280 self.pushNextSong(title) | |
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281 |
130 | 282 def radiocolPlay(self, filename): |
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283 found = False |
130 | 284 for player in self.players: |
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285 if not found and player.filename == filename: |
130 | 286 player.play() |
287 self.popNextSong() | |
288 self.current_player = player | |
287
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289 found = True |
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290 else: |
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291 player.play(False) # in case the previous player was not sync |
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292 if not found: |
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293 print("WARNING: Song not found in queue, can't play it. This should not happen") |
127 | 294 |
130 | 295 def radiocolNoUpload(self): |
296 self.control_panel.blockUpload() | |
129
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297 |
130 | 298 def radiocolUploadOk(self): |
299 self.control_panel.unblockUpload() | |
300 | |
301 def radiocolSongRejected(self, reason): | |
302 Window.alert("Song rejected: %s" % reason) |