Mercurial > libervia-web
annotate src/browser/radiocol.py @ 458:1eeed8028199
browser side: rename parameter of getParent / getWidgetPanel from 'verbose' to 'expect'
author | souliane <souliane@mailoo.org> |
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date | Thu, 29 May 2014 17:49:59 +0200 |
parents | 1a0cec9b0f1e |
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rev | line source |
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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 |
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21 from sat.core.log import getLogger |
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22 log = getLogger(__name__) |
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23 from sat_frontends.tools.misc import DEFAULT_MUC |
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24 from sat.core.i18n import _ |
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25 |
127 | 26 from pyjamas.ui.VerticalPanel import VerticalPanel |
27 from pyjamas.ui.HorizontalPanel import HorizontalPanel | |
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28 from pyjamas.ui.FlexTable import FlexTable |
127 | 29 from pyjamas.ui.FormPanel import FormPanel |
30 from pyjamas.ui.Label import Label | |
31 from pyjamas.ui.Button import Button | |
32 from pyjamas.ui.ClickListener import ClickHandler | |
128 | 33 from pyjamas.ui.Hidden import Hidden |
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34 from pyjamas.ui.CaptionPanel import CaptionPanel |
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35 from pyjamas.media.Audio import Audio |
127 | 36 from pyjamas import Window |
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37 from pyjamas.Timer import Timer |
127 | 38 |
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39 from html_tools import html_sanitize |
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40 from file_tools import FilterFileUpload |
127 | 41 |
42 | |
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43 class MetadataPanel(FlexTable): |
127 | 44 |
45 def __init__(self): | |
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46 FlexTable.__init__(self) |
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47 title_lbl = Label("title:") |
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48 title_lbl.setStyleName('radiocol_metadata_lbl') |
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49 artist_lbl = Label("artist:") |
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50 artist_lbl.setStyleName('radiocol_metadata_lbl') |
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51 album_lbl = Label("album:") |
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52 album_lbl.setStyleName('radiocol_metadata_lbl') |
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53 self.title = Label("") |
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54 self.title.setStyleName('radiocol_metadata') |
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55 self.artist = Label("") |
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56 self.artist.setStyleName('radiocol_metadata') |
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57 self.album = Label("") |
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58 self.album.setStyleName('radiocol_metadata') |
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59 self.setWidget(0, 0, title_lbl) |
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60 self.setWidget(1, 0, artist_lbl) |
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61 self.setWidget(2, 0, album_lbl) |
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62 self.setWidget(0, 1, self.title) |
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63 self.setWidget(1, 1, self.artist) |
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64 self.setWidget(2, 1, self.album) |
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65 self.setStyleName("radiocol_metadata_pnl") |
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66 |
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67 def setTitle(self, title): |
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68 self.title.setText(title) |
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69 |
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70 def setArtist(self, artist): |
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71 self.artist.setText(artist) |
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72 |
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73 def setAlbum(self, album): |
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74 self.album.setText(album) |
127 | 75 |
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76 |
127 | 77 class ControlPanel(FormPanel): |
78 """Panel used to show controls to add a song, or vote for the current one""" | |
79 | |
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80 def __init__(self, parent): |
127 | 81 FormPanel.__init__(self) |
82 self.setEncoding(FormPanel.ENCODING_MULTIPART) | |
83 self.setMethod(FormPanel.METHOD_POST) | |
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84 self.setAction("upload_radiocol") |
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85 self.timer_on = False |
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86 self._parent = parent |
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87 vPanel = VerticalPanel() |
127 | 88 |
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89 types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'), |
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90 ('video/ogg', '*.ogv', 'Ogg Vorbis Video'), |
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91 ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex'), |
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92 ('audio/mpeg', '*.mp3', 'MPEG-Layer 3'), |
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93 ('audio/mp3', '*.mp3', 'MPEG-Layer 3'), |
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94 ] |
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95 self.file_upload = FilterFileUpload("song", 10, types) |
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96 vPanel.add(self.file_upload) |
127 | 97 |
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98 hPanel = HorizontalPanel() |
130 | 99 self.upload_btn = Button("Upload song", getattr(self, "onBtnClick")) |
100 hPanel.add(self.upload_btn) | |
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101 self.status = Label() |
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102 self.updateStatus() |
130 | 103 hPanel.add(self.status) |
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104 #We need to know the filename and the referee |
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105 self.filename_field = Hidden('filename', '') |
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106 hPanel.add(self.filename_field) |
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107 referee_field = Hidden('referee', self._parent.referee) |
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108 hPanel.add(self.filename_field) |
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109 hPanel.add(referee_field) |
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110 vPanel.add(hPanel) |
127 | 111 |
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112 self.add(vPanel) |
127 | 113 self.addFormHandler(self) |
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114 |
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115 def updateStatus(self): |
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116 if self.timer_on: |
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117 return |
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118 # TODO: the status should be different if a song is being played or not |
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119 queue = self._parent.getQueueSize() |
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120 queue_data = self._parent.queue_data |
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121 if queue < queue_data[0]: |
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122 left = queue_data[0] - queue |
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123 self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else "")) |
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124 elif queue < queue_data[1]: |
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125 left = queue_data[1] - queue |
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126 self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else "")) |
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127 elif queue >= queue_data[1]: |
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128 self.status.setText("[The queue is currently full]") |
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129 self.status.setStyleName('radiocol_status') |
127 | 130 |
131 def onBtnClick(self): | |
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132 if self.file_upload.check(): |
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133 self.status.setText('[Submitting, please wait...]') |
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134 self.filename_field.setValue(self.file_upload.getFilename()) |
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135 if self.file_upload.getFilename().lower().endswith('.mp3'): |
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136 self._parent._parent.host.showWarning('STATUS', 'For a better support, it is recommended to submit Ogg Vorbis file instead of MP3. You can convert your files easily, ask for help if needed!', 5000) |
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137 self.submit() |
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138 self.file_upload.setFilename("") |
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139 |
127 | 140 def onSubmit(self, event): |
141 pass | |
142 | |
130 | 143 def blockUpload(self): |
144 self.file_upload.setVisible(False) | |
145 self.upload_btn.setEnabled(False) | |
146 | |
147 def unblockUpload(self): | |
148 self.file_upload.setVisible(True) | |
149 self.upload_btn.setEnabled(True) | |
150 | |
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151 def setTemporaryStatus(self, text, style): |
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152 self.status.setText(text) |
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153 self.status.setStyleName('radiocol_upload_status_%s' % style) |
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154 self.timer_on = True |
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155 |
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156 def cb(timer): |
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157 self.timer_on = False |
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158 self.updateStatus() |
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159 |
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160 Timer(5000, cb) |
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161 |
127 | 162 def onSubmitComplete(self, event): |
163 result = event.getResults() | |
164 if result == "OK": | |
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165 # the song can still be rejected (not readable, full queue...) |
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166 self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok") |
127 | 167 elif result == "KO": |
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168 self.setTemporaryStatus('[Something went wrong during your song upload]', "ko") |
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169 self._parent.radiocolSongRejected(_("The uploaded file has been rejected, only Ogg Vorbis and MP3 songs are accepted.")) |
300
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170 # TODO: would be great to re-use the original Exception class and message |
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171 # but it is lost in the middle of the traceback and encapsulated within |
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172 # a DBusException instance --> extract the data from the traceback? |
127 | 173 else: |
174 Window.alert('Submit error: %s' % result) | |
283
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175 self.status.setText('') |
127 | 176 |
243
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177 |
341
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178 class Player(Audio): |
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179 |
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180 def __init__(self, player_id, metadata_panel): |
341
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181 Audio.__init__(self) |
129
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182 self._id = player_id |
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183 self.metadata = metadata_panel |
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184 self.timestamp = "" |
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185 self.title = "" |
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186 self.artist = "" |
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187 self.album = "" |
129
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188 self.filename = None |
341
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189 self.played = False # True when the song is playing/has played, becomes False on preload |
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190 self.setAutobuffer(True) |
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191 self.setAutoplay(False) |
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192 self.setVisible(False) |
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193 |
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194 def preload(self, timestamp, filename, title, artist, album): |
129
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195 """preload the song but doesn't play it""" |
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196 self.timestamp = timestamp |
129
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197 self.filename = filename |
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198 self.title = title |
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199 self.artist = artist |
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200 self.album = album |
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201 self.played = False |
341
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202 self.setSrc("radiocol/%s" % html_sanitize(filename)) |
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203 log.debug("preloading %s in %s" % (title, self._id)) |
243
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204 |
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205 def play(self, play=True): |
341
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206 """Play or pause the song |
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207 @param play: set to True to play or to False to pause |
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208 """ |
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209 if play: |
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210 self.played = True |
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211 self.metadata.setTitle(self.title) |
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212 self.metadata.setArtist(self.artist) |
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213 self.metadata.setAlbum(self.album) |
341
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214 Audio.play(self) |
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215 else: |
341
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216 self.pause() |
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217 |
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218 |
127 | 219 class RadioColPanel(HorizontalPanel, ClickHandler): |
220 | |
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221 def __init__(self, parent, referee, player_nick, players, queue_data): |
397
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222 """ |
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223 @param parent |
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224 @param referee |
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225 @param player_nick |
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226 @param players |
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227 @param queue_data: list of integers (queue to start, queue limit) |
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228 """ |
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229 # We need to set it here and not in the CSS :( |
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230 HorizontalPanel.__init__(self, Height="90px") |
127 | 231 ClickHandler.__init__(self) |
232 self._parent = parent | |
233 self.referee = referee | |
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234 self.queue_data = queue_data |
127 | 235 self.setStyleName("radiocolPanel") |
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236 |
127 | 237 # Now we set up the layout |
238 self.metadata_panel = MetadataPanel() | |
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239 self.add(CaptionPanel("Now playing", self.metadata_panel)) |
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240 self.playlist_panel = VerticalPanel() |
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241 self.add(CaptionPanel("Songs queue", self.playlist_panel)) |
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242 self.control_panel = ControlPanel(self) |
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243 self.add(CaptionPanel("Controls", self.control_panel)) |
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244 |
130 | 245 self.next_songs = [] |
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246 self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)] |
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247 self.current_player = None |
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248 for player in self.players: |
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249 self.add(player) |
127 | 250 self.addClickListener(self) |
130 | 251 |
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252 help_msg = """Accepted file formats: Ogg Vorbis (recommended), MP3.<br /> |
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253 Please do not submit files that are protected by copyright.<br /> |
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254 Click <a style="color: red;">here</a> if you need some support :)""" |
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255 link_cb = lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick) |
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256 self._parent.printInfo(help_msg, type_='link', link_cb=link_cb) |
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257 |
130 | 258 def pushNextSong(self, title): |
259 """Add a song to the left panel's next songs queue""" | |
260 next_song = Label(title) | |
261 next_song.setStyleName("radiocol_next_song") | |
262 self.next_songs.append(next_song) | |
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263 self.playlist_panel.append(next_song) |
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264 self.control_panel.updateStatus() |
130 | 265 |
266 def popNextSong(self): | |
267 """Remove the first song of next songs list | |
268 should be called when the song is played""" | |
269 #FIXME: should check that the song we remove is the one we play | |
270 next_song = self.next_songs.pop(0) | |
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271 self.playlist_panel.remove(next_song) |
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272 self.control_panel.updateStatus() |
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273 |
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274 def getQueueSize(self): |
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275 return len(self.playlist_panel.getChildren()) |
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276 |
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277 def radiocolCheckPreload(self, timestamp): |
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278 for player in self.players: |
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279 if player.timestamp == timestamp: |
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280 return False |
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281 return True |
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282 |
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283 def radiocolPreload(self, timestamp, filename, title, artist, album, sender): |
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284 if not self.radiocolCheckPreload(timestamp): |
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285 return # song already preloaded |
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286 preloaded = False |
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287 for player in self.players: |
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288 if not player.filename or \ |
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289 (player.played and player != self.current_player): |
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290 #if player has no file loaded, or it has already played its song |
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291 #we use it to preload the next one |
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292 player.preload(timestamp, filename, title, artist, album) |
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293 preloaded = True |
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294 break |
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295 if not preloaded: |
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296 log.warning("Can't preload song, we are getting too many songs to preload, we shouldn't have more than %d at once" % self.queue_data[1]) |
130 | 297 else: |
298 self.pushNextSong(title) | |
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299 self._parent.printInfo(_('%(user)s uploaded %(artist)s - %(title)s') % {'user': sender, 'artist': artist, 'title': title}) |
243
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300 |
130 | 301 def radiocolPlay(self, filename): |
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302 found = False |
130 | 303 for player in self.players: |
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304 if not found and player.filename == filename: |
130 | 305 player.play() |
306 self.popNextSong() | |
307 self.current_player = player | |
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308 found = True |
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309 else: |
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310 player.play(False) # in case the previous player was not sync |
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311 if not found: |
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312 log.error("Song not found in queue, can't play it. This should not happen") |
127 | 313 |
130 | 314 def radiocolNoUpload(self): |
315 self.control_panel.blockUpload() | |
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316 |
130 | 317 def radiocolUploadOk(self): |
318 self.control_panel.unblockUpload() | |
319 | |
320 def radiocolSongRejected(self, reason): | |
321 Window.alert("Song rejected: %s" % reason) |