git.maemo.org Git - watersofshiloah/blob - src/windows/radio.py

   1 import datetime
   2 import logging
   3
   4 import gobject
   5 import gtk
   6
   7 import hildonize
   8 import util.misc as misc_utils
   9 import util.time_utils as time_utils
  10 import util.go_utils as go_utils
  11 import banners
  12 import presenter
  13
  14 import windows
  15
  16
  17 _moduleLogger = logging.getLogger(__name__)
  18
  19
  20 class RadioWindow(windows._base.BasicWindow):
  21
  22         def __init__(self, app, player, store, node):
  23                 windows._base.BasicWindow.__init__(self, app, player, store)
  24                 self._node = node
  25                 self._childNode = None
  26
  27                 self.connect_auto(self._player, "state-change", self._on_player_state_change)
  28                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
  29
  30                 self._loadingBanner = banners.GenericBanner()
  31
  32                 self._programmingModel = gtk.ListStore(
  33                         gobject.TYPE_STRING,
  34                         gobject.TYPE_STRING,
  35                 )
  36
  37                 textrenderer = gtk.CellRendererText()
  38                 timeColumn = gtk.TreeViewColumn("Time")
  39                 textrenderer.set_property("scale", 0.75)
  40                 timeColumn.set_property("sizing", gtk.TREE_VIEW_COLUMN_FIXED)
  41                 timeColumn.set_property("fixed-width", 80)
  42                 timeColumn.pack_start(textrenderer, expand=True)
  43                 timeColumn.add_attribute(textrenderer, "text", 0)
  44
  45                 textrenderer = gtk.CellRendererText()
  46                 titleColumn = gtk.TreeViewColumn("Program")
  47                 titleColumn.set_property("sizing", gtk.TREE_VIEW_COLUMN_FIXED)
  48                 titleColumn.pack_start(textrenderer, expand=True)
  49                 titleColumn.add_attribute(textrenderer, "text", 1)
  50
  51                 self._treeView = gtk.TreeView()
  52                 self._treeView.set_property("fixed-height-mode", True)
  53                 self._treeView.set_headers_visible(False)
  54                 self._treeView.set_model(self._programmingModel)
  55                 self._treeView.append_column(timeColumn)
  56                 self._treeView.append_column(titleColumn)
  57                 self._treeView.get_selection().connect("changed", self._on_row_changed)
  58
  59                 self._viewport = gtk.Viewport()
  60                 self._viewport.add(self._treeView)
  61
  62                 self._treeScroller = gtk.ScrolledWindow()
  63                 self._treeScroller.add(self._viewport)
  64                 self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
  65                 self._treeScroller = hildonize.hildonize_scrollwindow(self._treeScroller)
  66
  67                 self._presenter = presenter.StreamMiniPresenter(self._store)
  68                 self._presenterNavigation = presenter.NavigationBox()
  69                 self._presenterNavigation.toplevel.add(self._presenter.toplevel)
  70                 self.connect_auto(self._presenterNavigation, "action", self._on_nav_action)
  71                 self.connect_auto(self._presenterNavigation, "navigating", self._on_navigating)
  72
  73                 self._radioLayout = gtk.VBox(False)
  74                 self._radioLayout.pack_start(self._treeScroller, True, True)
  75                 self._radioLayout.pack_start(self._presenterNavigation.toplevel, False, True)
  76
  77                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
  78                 self._layout.pack_start(self._radioLayout, True, True)
  79
  80                 self._dateShown = datetime.datetime.now(tz=time_utils.Mountain)
  81                 self._currentTime = self._dateShown
  82                 self._update_title()
  83
  84                 self._continualUpdate = go_utils.Timeout(self._on_continual_update, once = False)
  85                 self._continualUpdate.start(seconds=60)
  86
  87         def show(self):
  88                 windows._base.BasicWindow.show(self)
  89
  90                 self._errorBanner.toplevel.hide()
  91                 self._loadingBanner.toplevel.hide()
  92
  93                 self._refresh()
  94
  95         def jump_to(self, node):
  96                 _moduleLogger.info("Only 1 channel, nothing to jump to")
  97
  98         def _update_time(self, newTime):
  99                 oldTime = self._dateShown
 100                 self._dateShown = newTime
 101                 if newTime.date() == oldTime.date():
 102                         self._select_row()
 103                 else:
 104                         self._update_title()
 105                         self._refresh()
 106
 107         def _update_title(self):
 108                 self._window.set_title("%s - %s" % (self._node.title, self._dateShown.strftime("%m/%d")))
 109
 110         @property
 111         def _active(self):
 112                 return self._player.node is self._childNode
 113
 114         def _set_context(self, state):
 115                 if state == self._player.STATE_PLAY:
 116                         if self._active:
 117                                 self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
 118                         else:
 119                                 self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 120                 elif state == self._player.STATE_PAUSE:
 121                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 122                 elif state == self._player.STATE_STOP:
 123                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 124                 else:
 125                         _moduleLogger.info("Unhandled player state %s" % state)
 126                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 127
 128         def _show_loading(self):
 129                 animationPath = self._store.STORE_LOOKUP["loading"]
 130                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
 131                 self._loadingBanner.show(animation, "Loading...")
 132
 133         def _hide_loading(self):
 134                 self._loadingBanner.hide()
 135
 136         def _refresh(self):
 137                 self._show_loading()
 138                 self._programmingModel.clear()
 139                 self._node.get_children(
 140                         self._on_channels,
 141                         self._on_load_error,
 142                 )
 143                 self._set_context(self._player.state)
 144
 145         def _get_current_row(self):
 146                 nowTime = self._dateShown.strftime("%H:%M:%S")
 147                 i = 0
 148                 for i, row in enumerate(self._programmingModel):
 149                         if nowTime < row[0]:
 150                                 if i == 0:
 151                                         return 0
 152                                 else:
 153                                         return i - 1
 154                 else:
 155                         return i
 156
 157         @misc_utils.log_exception(_moduleLogger)
 158         def _on_continual_update(self, *args):
 159                 if self._isDestroyed:
 160                         return False
 161                 newTime = datetime.datetime.now(tz=time_utils.Mountain)
 162                 oldTime = self._currentTime
 163                 shownTime = self._dateShown
 164
 165                 self._currentTime = newTime
 166                 if shownTime.date() == oldTime.date():
 167                         _moduleLogger.info("Today selected, updating selection")
 168                         self._update_time(newTime)
 169                 return True
 170
 171         @misc_utils.log_exception(_moduleLogger)
 172         def _on_player_state_change(self, player, newState):
 173                 if self._presenterNavigation.is_active():
 174                         return
 175
 176                 self._set_context(newState)
 177
 178         @misc_utils.log_exception(_moduleLogger)
 179         def _on_player_title_change(self, player, node):
 180                 if node is not self._childNode or node is None:
 181                         _moduleLogger.info("Player title magically changed to %s" % player.title)
 182                         return
 183
 184         @misc_utils.log_exception(_moduleLogger)
 185         def _on_navigating(self, widget, navState):
 186                 if navState == "clicking":
 187                         if self._player.state == self._player.STATE_PLAY:
 188                                 if self._active:
 189                                         imageName = "pause_pressed"
 190                                 else:
 191                                         imageName = "play_pressed"
 192                         elif self._player.state == self._player.STATE_PAUSE:
 193                                 imageName = "play_pressed"
 194                         elif self._player.state == self._player.STATE_STOP:
 195                                 imageName = "play_pressed"
 196                         else:
 197                                 imageName = "play_pressed"
 198                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 199                 elif navState == "down":
 200                         imageName = "home"
 201                 else:
 202                         if self._player.state == self._player.STATE_PLAY:
 203                                 imageName = "pause"
 204                         else:
 205                                 imageName = "play"
 206
 207                 self._presenter.set_state(self._store.STORE_LOOKUP[imageName])
 208
 209         @misc_utils.log_exception(_moduleLogger)
 210         def _on_nav_action(self, widget, navState):
 211                 self._set_context(self._player.state)
 212
 213                 if navState == "clicking":
 214                         if self._player.state == self._player.STATE_PLAY:
 215                                 if self._active:
 216                                         self._player.pause()
 217                                 else:
 218                                         self._player.set_piece_by_node(self._childNode)
 219                                         self._player.play()
 220                         elif self._player.state == self._player.STATE_PAUSE:
 221                                 self._player.play()
 222                         elif self._player.state == self._player.STATE_STOP:
 223                                 self._player.set_piece_by_node(self._childNode)
 224                                 self._player.play()
 225                         else:
 226                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 227                 elif navState == "down":
 228                         self.window.destroy()
 229                 elif navState == "up":
 230                         pass
 231                 elif navState == "left":
 232                         self._update_time(self._dateShown + datetime.timedelta(days=1))
 233                 elif navState == "right":
 234                         self._update_time(self._dateShown - datetime.timedelta(days=1))
 235
 236         @misc_utils.log_exception(_moduleLogger)
 237         def _on_channels(self, channels):
 238                 if self._isDestroyed:
 239                         _moduleLogger.info("Download complete but window destroyed")
 240                         return
 241
 242                 channels = channels
 243                 if 1 < len(channels):
 244                         _moduleLogger.warning("More channels now available!")
 245                 self._childNode = channels[0]
 246                 self._childNode.get_programming(
 247                         self._dateShown,
 248                         self._on_channel,
 249                         self._on_load_error,
 250                 )
 251
 252         @misc_utils.log_exception(_moduleLogger)
 253         def _on_channel(self, programs):
 254                 if self._isDestroyed:
 255                         _moduleLogger.info("Download complete but window destroyed")
 256                         return
 257
 258                 self._hide_loading()
 259                 for program in programs:
 260                         row = program["time"], program["title"]
 261                         self._programmingModel.append(row)
 262
 263                 currentDate = self._currentTime
 264                 if currentDate.date() != self._dateShown.date():
 265                         self._treeView.get_selection().set_mode(gtk.SELECTION_NONE)
 266                 else:
 267                         self._treeView.get_selection().set_mode(gtk.SELECTION_SINGLE)
 268                         self._select_row()
 269                         go_utils.Async(self._on_delay_scroll).start()
 270
 271         @misc_utils.log_exception(_moduleLogger)
 272         def _on_delay_scroll(self, *args):
 273                 self._scroll_to_row()
 274
 275         @misc_utils.log_exception(_moduleLogger)
 276         def _on_load_error(self, exception):
 277                 self._hide_loading()
 278                 self._errorBanner.push_message(str(exception))
 279
 280         @misc_utils.log_exception(_moduleLogger)
 281         def _on_row_changed(self, selection):
 282                 if len(self._programmingModel) == 0:
 283                         return
 284
 285                 # Undo the user's changing of the selection
 286                 self._select_row()
 287
 288         def _select_row(self):
 289                 rowIndex = self._get_current_row()
 290                 if rowIndex < 0:
 291                         return
 292                 path = (rowIndex, )
 293                 if not self._treeView.get_selection().path_is_selected(path):
 294                         self._treeView.get_selection().select_path(path)
 295
 296         def _scroll_to_row(self):
 297                 if self._isDestroyed:
 298                         return
 299                 rowIndex = self._get_current_row()
 300                 if rowIndex < 0:
 301                         return
 302
 303                 path = (rowIndex, )
 304                 self._treeView.scroll_to_cell(path)
 305
 306                 treeViewHeight = self._treeView.get_allocation().height
 307                 viewportHeight = self._viewport.get_allocation().height
 308
 309                 viewsPerPort = treeViewHeight / float(viewportHeight)
 310                 maxRows = len(self._programmingModel)
 311                 percentThrough = rowIndex / float(maxRows)
 312                 dxByIndex = int(viewsPerPort * percentThrough * viewportHeight)
 313
 314                 dxMax = max(treeViewHeight - viewportHeight, 0)
 315
 316                 dx = min(dxByIndex, dxMax)
 317                 adjustment = self._treeScroller.get_vadjustment()
 318                 adjustment.value = dx
 319
 320
 321 gobject.type_register(RadioWindow)