Mercurial > libervia-web
view browser_side/radiocol.py @ 393:a3d58514a4d0
server_side: set max static blog banner dimensions
author | souliane <souliane@mailoo.org> |
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date | Wed, 05 Mar 2014 21:42:03 +0100 |
parents | 30d03d9f07e4 |
children | ee61b0765d6c |
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#!/usr/bin/python # -*- coding: utf-8 -*- # Libervia: a Salut à Toi frontend # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org> # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import pyjd # this is dummy in pyjs from pyjamas.ui.VerticalPanel import VerticalPanel from pyjamas.ui.HorizontalPanel import HorizontalPanel from pyjamas.ui.FlexTable import FlexTable from pyjamas.ui.FormPanel import FormPanel from pyjamas.ui.Label import Label from pyjamas.ui.Button import Button from pyjamas.ui.ClickListener import ClickHandler from pyjamas.ui.Hidden import Hidden from pyjamas.ui.HTML import HTML from pyjamas.ui.CaptionPanel import CaptionPanel from pyjamas.media.Audio import Audio from pyjamas import Window from pyjamas.Timer import Timer from __pyjamas__ import JS from html_tools import html_sanitize from file_tools import FilterFileUpload from sat_frontends.tools.misc import DEFAULT_MUC class MetadataPanel(FlexTable): def __init__(self): FlexTable.__init__(self) title_lbl = Label("title:") title_lbl.setStyleName('radiocol_metadata_lbl') artist_lbl = Label("artist:") artist_lbl.setStyleName('radiocol_metadata_lbl') album_lbl = Label("album:") album_lbl.setStyleName('radiocol_metadata_lbl') self.title = Label("") self.title.setStyleName('radiocol_metadata') self.artist = Label("") self.artist.setStyleName('radiocol_metadata') self.album = Label("") self.album.setStyleName('radiocol_metadata') self.setWidget(0, 0, title_lbl) self.setWidget(1, 0, artist_lbl) self.setWidget(2, 0, album_lbl) self.setWidget(0, 1, self.title) self.setWidget(1, 1, self.artist) self.setWidget(2, 1, self.album) self.setStyleName("radiocol_metadata_pnl") def setTitle(self, title): self.title.setText(title) def setArtist(self, artist): self.artist.setText(artist) def setAlbum(self, album): self.album.setText(album) class ControlPanel(FormPanel): """Panel used to show controls to add a song, or vote for the current one""" def __init__(self, parent): FormPanel.__init__(self) self.setEncoding(FormPanel.ENCODING_MULTIPART) self.setMethod(FormPanel.METHOD_POST) self.setAction("upload_radiocol") self.timer_on = False self._parent = parent vPanel = VerticalPanel() types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'), ('video/ogg', '*.ogv', 'Ogg Vorbis Video'), ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex')] self.file_upload = FilterFileUpload("song", 10, types) vPanel.add(self.file_upload) hPanel = HorizontalPanel() self.upload_btn = Button("Upload song", getattr(self, "onBtnClick")) hPanel.add(self.upload_btn) self.status = Label() self.updateStatus() hPanel.add(self.status) #We need to know the referee referee_field = Hidden('referee', self._parent.referee) hPanel.add(referee_field) vPanel.add(hPanel) self.add(vPanel) self.addFormHandler(self) def updateStatus(self): if self.timer_on: return # TODO: the status should be different if a song is being played or not queue = self._parent.getQueueSize() queue_data = self._parent.queue_data if queue < queue_data[0]: left = queue_data[0] - queue self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else "")) elif queue < queue_data[1]: left = queue_data[1] - queue self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else "")) elif queue >= queue_data[1]: self.status.setText("[The queue is currently full]") self.status.setStyleName('radiocol_status') def onBtnClick(self): if self.file_upload.check(): self.submit() self.file_upload.setFilename("") self.status.setText('[Submitting, please wait...]') def onSubmit(self, event): pass def blockUpload(self): self.file_upload.setVisible(False) self.upload_btn.setEnabled(False) def unblockUpload(self): self.file_upload.setVisible(True) self.upload_btn.setEnabled(True) def setTemporaryStatus(self, text, style): self.status.setText(text) self.status.setStyleName('radiocol_upload_status_%s' % style) self.timer_on = True def cb(): self.timer_on = False self.updateStatus() Timer(5000, cb) def onSubmitComplete(self, event): result = event.getResults() if result == "OK": # the song can still be rejected (not readable, full queue...) self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok") elif result == "KO": self.setTemporaryStatus('[Something went wrong during your song upload]', "ko") self._parent.radiocolSongRejected("Uploaded file is not Ogg Vorbis song, only Ogg Vorbis songs are acceptable") # TODO: would be great to re-use the original Exception class and message # but it is lost in the middle of the traceback and encapsulated within # a DBusException instance --> extract the data from the traceback? else: Window.alert('Submit error: %s' % result) self.status.setText('') class Player(Audio): def __init__(self, player_id, metadata_panel): Audio.__init__(self) self._id = player_id self.metadata = metadata_panel self.timestamp = "" self.title = "" self.artist = "" self.album = "" self.filename = None self.played = False # True when the song is playing/has played, becomes False on preload self.setAutobuffer(True) self.setAutoplay(False) self.setVisible(False) def preload(self, timestamp, filename, title, artist, album): """preload the song but doesn't play it""" self.timestamp = timestamp self.filename = filename self.title = title self.artist = artist self.album = album self.played = False self.setSrc("radiocol/%s" % html_sanitize(filename)) print "preloading %s in %s" % (title, self._id) def play(self, play=True): """Play or pause the song @param play: set to True to play or to False to pause """ if play: self.played = True self.metadata.setTitle(self.title) self.metadata.setArtist(self.artist) self.metadata.setAlbum(self.album) Audio.play(self) else: self.pause() class RadioColPanel(HorizontalPanel, ClickHandler): def __init__(self, parent, referee, player_nick, players, queue_data): # We need to set it here and not in the CSS :( HorizontalPanel.__init__(self, Height="90px") ClickHandler.__init__(self) self._parent = parent self.referee = referee self.queue_data = queue_data self.setStyleName("radiocolPanel") # Now we set up the layout self.metadata_panel = MetadataPanel() self.add(CaptionPanel("Now playing", self.metadata_panel)) self.playlist_panel = VerticalPanel() self.add(CaptionPanel("Songs queue", self.playlist_panel)) self.control_panel = ControlPanel(self) self.add(CaptionPanel("Controls", self.control_panel)) self.next_songs = [] self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)] self.current_player = None for player in self.players: self.add(player) self.addClickListener(self) help_msg = HTML("""- This radio plays Ogg Vorbis files.<br /> - What's that? I only know MP3!<br /> - Click <a style="color: red;">here</a> if you need some support :) """) help_msg.setStyleName('chatTextInfo-link') help_msg.addClickListener(lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick)) self._parent.content.add(help_msg) def pushNextSong(self, title): """Add a song to the left panel's next songs queue""" next_song = Label(title) next_song.setStyleName("radiocol_next_song") self.next_songs.append(next_song) self.playlist_panel.append(next_song) self.control_panel.updateStatus() def popNextSong(self): """Remove the first song of next songs list should be called when the song is played""" #FIXME: should check that the song we remove is the one we play next_song = self.next_songs.pop(0) self.playlist_panel.remove(next_song) self.control_panel.updateStatus() def getQueueSize(self): return len(self.playlist_panel.getChildren()) def radiocolCheckPreload(self, timestamp): for player in self.players: if player.timestamp == timestamp: return False return True def radiocolPreload(self, timestamp, filename, title, artist, album): if not self.radiocolCheckPreload(timestamp): return # song already preloaded preloaded = False for player in self.players: if not player.filename or \ (player.played and player != self.current_player): #if player has no file loaded, or it has already played its song #we use it to preload the next one player.preload(timestamp, filename, title, artist, album) preloaded = True break if not preloaded: print("WARNING: Can't preload song, we are getting too many songs to preload, we shouldn't have more than 2 at once") else: self.pushNextSong(title) def radiocolPlay(self, filename): found = False for player in self.players: if not found and player.filename == filename: player.play() self.popNextSong() self.current_player = player found = True else: player.play(False) # in case the previous player was not sync if not found: print("WARNING: Song not found in queue, can't play it. This should not happen") def radiocolNoUpload(self): self.control_panel.blockUpload() def radiocolUploadOk(self): self.control_panel.unblockUpload() def radiocolSongRejected(self, reason): Window.alert("Song rejected: %s" % reason)