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

   1 from __future__ import with_statement
   2
   3 import ConfigParser
   4 import logging
   5
   6 import gobject
   7 import gtk
   8
   9 import constants
  10 import hildonize
  11 import util.misc as misc_utils
  12 import util.go_utils as go_utils
  13
  14 import stream_index
  15 import banners
  16 import playcontrol
  17 import presenter
  18
  19
  20 _moduleLogger = logging.getLogger(__name__)
  21
  22
  23 class BasicWindow(gobject.GObject, go_utils.AutoSignal):
  24
  25         __gsignals__ = {
  26                 'quit' : (
  27                         gobject.SIGNAL_RUN_LAST,
  28                         gobject.TYPE_NONE,
  29                         (),
  30                 ),
  31                 'home' : (
  32                         gobject.SIGNAL_RUN_LAST,
  33                         gobject.TYPE_NONE,
  34                         (),
  35                 ),
  36                 'jump-to' : (
  37                         gobject.SIGNAL_RUN_LAST,
  38                         gobject.TYPE_NONE,
  39                         (gobject.TYPE_PYOBJECT, ),
  40                 ),
  41                 'rotate' : (
  42                         gobject.SIGNAL_RUN_LAST,
  43                         gobject.TYPE_NONE,
  44                         (gobject.TYPE_BOOLEAN, ),
  45                 ),
  46                 'fullscreen' : (
  47                         gobject.SIGNAL_RUN_LAST,
  48                         gobject.TYPE_NONE,
  49                         (gobject.TYPE_BOOLEAN, ),
  50                 ),
  51         }
  52
  53         def __init__(self, app, player, store):
  54                 gobject.GObject.__init__(self)
  55                 self._isDestroyed = False
  56
  57                 self._app = app
  58                 self._player = player
  59                 self._store = store
  60
  61                 self._clipboard = gtk.clipboard_get()
  62                 self._windowInFullscreen = False
  63
  64                 self._errorBanner = banners.StackingBanner()
  65
  66                 self._layout = gtk.VBox()
  67                 self._layout.pack_start(self._errorBanner.toplevel, False, True)
  68
  69                 self._window = gtk.Window()
  70                 go_utils.AutoSignal.__init__(self, self.window)
  71                 self._window.add(self._layout)
  72                 self._window = hildonize.hildonize_window(self._app, self._window)
  73
  74                 self._window.set_icon(self._store.get_pixbuf_from_store(self._store.STORE_LOOKUP["icon"]))
  75                 self._window.connect("key-press-event", self._on_key_press)
  76                 self._window.connect("window-state-event", self._on_window_state_change)
  77                 self._window.connect("destroy", self._on_destroy)
  78
  79         @property
  80         def window(self):
  81                 return self._window
  82
  83         def show(self):
  84                 hildonize.window_to_portrait(self._window)
  85                 self._window.show_all()
  86
  87         def save_settings(self, config, sectionName):
  88                 config.add_section(sectionName)
  89                 config.set(sectionName, "fullscreen", str(self._windowInFullscreen))
  90
  91         def load_settings(self, config, sectionName):
  92                 try:
  93                         self._windowInFullscreen = config.getboolean(sectionName, "fullscreen")
  94                 except ConfigParser.NoSectionError, e:
  95                         _moduleLogger.info(
  96                                 "Settings file %s is missing section %s" % (
  97                                         constants._user_settings_,
  98                                         e.section,
  99                                 )
 100                         )
 101
 102                 if self._windowInFullscreen:
 103                         self._window.fullscreen()
 104                 else:
 105                         self._window.unfullscreen()
 106
 107         def jump_to(self, node):
 108                 raise NotImplementedError("On %s" % self)
 109
 110         @misc_utils.log_exception(_moduleLogger)
 111         def _on_destroy(self, *args):
 112                 self._isDestroyed = True
 113
 114         @misc_utils.log_exception(_moduleLogger)
 115         def _on_window_state_change(self, widget, event, *args):
 116                 if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN:
 117                         self._windowInFullscreen = True
 118                 else:
 119                         self._windowInFullscreen = False
 120                 self.emit("fullscreen", self._windowInFullscreen)
 121
 122         @misc_utils.log_exception(_moduleLogger)
 123         def _on_key_press(self, widget, event, *args):
 124                 RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter)
 125                 isCtrl = bool(event.get_state() & gtk.gdk.CONTROL_MASK)
 126                 if (
 127                         event.keyval == gtk.keysyms.F6 or
 128                         event.keyval in RETURN_TYPES and isCtrl
 129                 ):
 130                         # The "Full screen" hardware key has been pressed
 131                         if self._windowInFullscreen:
 132                                 self._window.unfullscreen ()
 133                         else:
 134                                 self._window.fullscreen ()
 135                         return True
 136                 elif (
 137                         event.keyval in (gtk.keysyms.w, ) and
 138                         event.get_state() & gtk.gdk.CONTROL_MASK
 139                 ):
 140                         self._window.destroy()
 141                 elif (
 142                         event.keyval in (gtk.keysyms.q, ) and
 143                         event.get_state() & gtk.gdk.CONTROL_MASK
 144                 ):
 145                         self.emit("quit")
 146                 elif event.keyval == gtk.keysyms.l and event.get_state() & gtk.gdk.CONTROL_MASK:
 147                         with open(constants._user_logpath_, "r") as f:
 148                                 logLines = f.xreadlines()
 149                                 log = "".join(logLines)
 150                                 self._clipboard.set_text(str(log))
 151                         return True
 152
 153         @misc_utils.log_exception(_moduleLogger)
 154         def _on_home(self, *args):
 155                 self.emit("home")
 156                 self._window.destroy()
 157
 158         @misc_utils.log_exception(_moduleLogger)
 159         def _on_jump(self, source, node):
 160                 raise NotImplementedError("On %s" % self)
 161
 162         @misc_utils.log_exception(_moduleLogger)
 163         def _on_quit(self, *args):
 164                 self.emit("quit")
 165                 self._window.destroy()
 166
 167
 168 class ListWindow(BasicWindow):
 169
 170         def __init__(self, app, player, store, node):
 171                 BasicWindow.__init__(self, app, player, store)
 172                 self._node = node
 173
 174                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
 175
 176                 self._loadingBanner = banners.GenericBanner()
 177
 178                 modelTypes, columns = zip(*self._get_columns())
 179
 180                 self._model = gtk.ListStore(*modelTypes)
 181
 182                 self._treeView = gtk.TreeView()
 183                 self._treeView.connect("row-activated", self._on_row_activated)
 184                 self._treeView.set_property("fixed-height-mode", True)
 185                 self._treeView.set_headers_visible(False)
 186                 self._treeView.set_model(self._model)
 187                 for column in columns:
 188                         if column is not None:
 189                                 self._treeView.append_column(column)
 190
 191                 self._viewport = gtk.Viewport()
 192                 self._viewport.add(self._treeView)
 193
 194                 self._treeScroller = gtk.ScrolledWindow()
 195                 self._treeScroller.add(self._viewport)
 196                 self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 197                 self._treeScroller = hildonize.hildonize_scrollwindow(self._treeScroller)
 198
 199                 self._separator = gtk.HSeparator()
 200                 self._playcontrol = playcontrol.NavControl(self._player, self._store)
 201                 self._playcontrol.connect("home", self._on_home)
 202                 self._playcontrol.connect("jump-to", self._on_jump)
 203
 204                 self._contentLayout = gtk.VBox(False)
 205                 self._contentLayout.pack_start(self._treeScroller, True, True)
 206                 self._contentLayout.pack_start(self._separator, False, True)
 207                 self._contentLayout.pack_start(self._playcontrol.toplevel, False, True)
 208
 209                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
 210                 self._layout.pack_start(self._contentLayout, True, True)
 211
 212         def show(self):
 213                 BasicWindow.show(self)
 214
 215                 self._errorBanner.toplevel.hide()
 216                 self._loadingBanner.toplevel.hide()
 217
 218                 self._refresh()
 219                 self._playcontrol.refresh()
 220
 221         @classmethod
 222         def _get_columns(cls):
 223                 raise NotImplementedError("")
 224
 225         def _get_current_row(self):
 226                 if self._player.node is None:
 227                         return -1
 228                 ancestors, current, descendants = stream_index.common_paths(self._player.node, self._node)
 229                 if not descendants:
 230                         return -1
 231                 activeChild = descendants[0]
 232                 for i, row in enumerate(self._model):
 233                         if activeChild is row[0]:
 234                                 return i
 235                 else:
 236                         return -1
 237
 238         def jump_to(self, node):
 239                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
 240                 if current is None:
 241                         raise RuntimeError("Cannot jump to node %s" % node)
 242                 if not descendants:
 243                         _moduleLogger.info("Current node is the target")
 244                         return
 245                 child = descendants[0]
 246                 window = self._window_from_node(child)
 247                 window.jump_to(node)
 248
 249         def _window_from_node(self, node):
 250                 raise NotImplementedError("")
 251
 252         @misc_utils.log_exception(_moduleLogger)
 253         def _on_row_activated(self, view, path, column):
 254                 itr = self._model.get_iter(path)
 255                 node = self._model.get_value(itr, 0)
 256                 self._window_from_node(node)
 257
 258         @misc_utils.log_exception(_moduleLogger)
 259         def _on_player_title_change(self, player, node):
 260                 self._select_row()
 261
 262         @misc_utils.log_exception(_moduleLogger)
 263         def _on_jump(self, source, node):
 264                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
 265                 if current is None:
 266                         _moduleLogger.info("%s is not the target, moving up" % self._node)
 267                         self.emit("jump-to", node)
 268                         self._window.destroy()
 269                         return
 270                 if not descendants:
 271                         _moduleLogger.info("Current node is the target")
 272                         return
 273                 child = descendants[0]
 274                 window = self._window_from_node(child)
 275                 window.jump_to(node)
 276
 277         @misc_utils.log_exception(_moduleLogger)
 278         def _on_delay_scroll(self, *args):
 279                 self._scroll_to_row()
 280
 281         def _show_loading(self):
 282                 animationPath = self._store.STORE_LOOKUP["loading"]
 283                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
 284                 self._loadingBanner.show(animation, "Loading...")
 285
 286         def _hide_loading(self):
 287                 self._loadingBanner.hide()
 288
 289         def _refresh(self):
 290                 self._show_loading()
 291                 self._model.clear()
 292
 293         def _select_row(self):
 294                 rowIndex = self._get_current_row()
 295                 if rowIndex < 0:
 296                         return
 297                 path = (rowIndex, )
 298                 self._treeView.get_selection().select_path(path)
 299
 300         def _scroll_to_row(self):
 301                 rowIndex = self._get_current_row()
 302                 if rowIndex < 0:
 303                         return
 304
 305                 path = (rowIndex, )
 306                 self._treeView.scroll_to_cell(path)
 307
 308                 treeViewHeight = self._treeView.get_allocation().height
 309                 viewportHeight = self._viewport.get_allocation().height
 310
 311                 viewsPerPort = treeViewHeight / float(viewportHeight)
 312                 maxRows = len(self._model)
 313                 percentThrough = rowIndex / float(maxRows)
 314                 dxByIndex = int(viewsPerPort * percentThrough * viewportHeight)
 315
 316                 dxMax = max(treeViewHeight - viewportHeight, 0)
 317
 318                 dx = min(dxByIndex, dxMax)
 319                 adjustment = self._treeScroller.get_vadjustment()
 320                 adjustment.value = dx
 321
 322
 323 class PresenterWindow(BasicWindow):
 324
 325         def __init__(self, app, player, store, node):
 326                 BasicWindow.__init__(self, app, player, store)
 327                 self._node = node
 328                 self._playerNode = self._player.node
 329                 self._nextSearch = None
 330                 self._updateSeek = None
 331
 332                 self.connect_auto(self._player, "state-change", self._on_player_state_change)
 333                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
 334                 self.connect_auto(self._player, "error", self._on_player_error)
 335
 336                 self._loadingBanner = banners.GenericBanner()
 337
 338                 self._presenter = presenter.StreamPresenter(self._store)
 339                 self._presenter.set_context(
 340                         self._get_background(),
 341                         self._node.title,
 342                         self._node.subtitle,
 343                 )
 344                 self._presenterNavigation = presenter.NavigationBox()
 345                 self._presenterNavigation.toplevel.add(self._presenter.toplevel)
 346                 self._presenterNavigation.connect("action", self._on_nav_action)
 347                 self._presenterNavigation.connect("navigating", self._on_navigating)
 348
 349                 self._seekbar = hildonize.create_seekbar()
 350                 self._seekbar.connect("change-value", self._on_user_seek)
 351
 352                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
 353                 self._layout.pack_start(self._presenterNavigation.toplevel, True, True)
 354                 self._layout.pack_start(self._seekbar, False, False)
 355
 356                 self._window.set_title(self._node.title)
 357
 358         def _get_background(self):
 359                 raise NotImplementedError()
 360
 361         def show(self):
 362                 BasicWindow.show(self)
 363                 self._window.show_all()
 364                 self._errorBanner.toplevel.hide()
 365                 self._loadingBanner.toplevel.hide()
 366                 self._set_context(self._player.state)
 367                 self._seekbar.hide()
 368
 369         def jump_to(self, node):
 370                 assert self._node is node
 371
 372         @property
 373         def _active(self):
 374                 return self._playerNode is self._node
 375
 376         def _show_loading(self):
 377                 animationPath = self._store.STORE_LOOKUP["loading"]
 378                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
 379                 self._loadingBanner.show(animation, "Loading...")
 380
 381         def _hide_loading(self):
 382                 self._loadingBanner.hide()
 383
 384         def _set_context(self, state):
 385                 if state == self._player.STATE_PLAY:
 386                         if self._active:
 387                                 self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
 388                         else:
 389                                 self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 390                 elif state == self._player.STATE_PAUSE:
 391                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 392                 elif state == self._player.STATE_STOP:
 393                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 394                 else:
 395                         _moduleLogger.info("Unhandled player state %s" % state)
 396
 397         @misc_utils.log_exception(_moduleLogger)
 398         def _on_user_seek(self, widget, scroll, value):
 399                 self._player.seek(value / 100.0)
 400
 401         @misc_utils.log_exception(_moduleLogger)
 402         def _on_player_update_seek(self):
 403                 if self._isDestroyed:
 404                         return False
 405                 self._seekbar.set_value(self._player.percent_elapsed * 100)
 406                 return True
 407
 408         @misc_utils.log_exception(_moduleLogger)
 409         def _on_player_state_change(self, player, newState):
 410                 if self._active and self._player.state == self._player.STATE_PLAY:
 411                         self._seekbar.show()
 412                         assert self._updateSeek is None
 413                         self._updateSeek = go_utils.Timeout(self._on_player_update_seek, once=False)
 414                         self._updateSeek.start(seconds=1)
 415                 else:
 416                         self._seekbar.hide()
 417                         if self._updateSeek is not None:
 418                                 self._updateSeek.cancel()
 419                                 self._updateSeek = None
 420
 421                 if not self._presenterNavigation.is_active():
 422                         self._set_context(newState)
 423
 424         @misc_utils.log_exception(_moduleLogger)
 425         def _on_player_title_change(self, player, node):
 426                 if not self._active or node in [None, self._node]:
 427                         self._playerNode = player.node
 428                         return
 429                 self._playerNode = player.node
 430                 self.emit("jump-to", node)
 431                 self._window.destroy()
 432
 433         @misc_utils.log_exception(_moduleLogger)
 434         def _on_player_error(self, player, err, debug):
 435                 _moduleLogger.error("%r - %r" % (err, debug))
 436
 437         @misc_utils.log_exception(_moduleLogger)
 438         def _on_navigating(self, widget, navState):
 439                 if navState == "clicking":
 440                         if self._player.state == self._player.STATE_PLAY:
 441                                 if self._active:
 442                                         imageName = "pause_pressed"
 443                                 else:
 444                                         imageName = "play_pressed"
 445                         elif self._player.state == self._player.STATE_PAUSE:
 446                                 imageName = "play_pressed"
 447                         elif self._player.state == self._player.STATE_STOP:
 448                                 imageName = "play_pressed"
 449                         else:
 450                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 451                 elif navState == "down":
 452                         imageName = "home"
 453                 elif navState == "up":
 454                         if self._player.state == self._player.STATE_PLAY:
 455                                 if self._active:
 456                                         imageName = "pause"
 457                                 else:
 458                                         imageName = "play"
 459                         elif self._player.state == self._player.STATE_PAUSE:
 460                                 imageName = "play"
 461                         elif self._player.state == self._player.STATE_STOP:
 462                                 imageName = "play"
 463                         else:
 464                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 465                 elif navState == "left":
 466                         imageName = "next"
 467                 elif navState == "right":
 468                         imageName = "prev"
 469
 470                 self._presenter.set_state(self._store.STORE_LOOKUP[imageName])
 471
 472         @misc_utils.log_exception(_moduleLogger)
 473         def _on_nav_action(self, widget, navState):
 474                 self._set_context(self._player.state)
 475
 476                 if navState == "clicking":
 477                         if self._player.state == self._player.STATE_PLAY:
 478                                 if self._active:
 479                                         self._player.pause()
 480                                 else:
 481                                         self._player.set_piece_by_node(self._node)
 482                                         self._player.play()
 483                         elif self._player.state == self._player.STATE_PAUSE:
 484                                 self._player.play()
 485                         elif self._player.state == self._player.STATE_STOP:
 486                                 self._player.set_piece_by_node(self._node)
 487                                 self._player.play()
 488                         else:
 489                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 490                 elif navState == "down":
 491                         self.emit("home")
 492                         self._window.destroy()
 493                 elif navState == "up":
 494                         pass
 495                 elif navState == "left":
 496                         if self._active:
 497                                 self._player.next()
 498                         else:
 499                                 assert self._nextSearch is None
 500                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_next)
 501                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
 502                 elif navState == "right":
 503                         if self._active:
 504                                 self._player.back()
 505                         else:
 506                                 assert self._nextSearch is None
 507                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_previous)
 508                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
 509
 510         @misc_utils.log_exception(_moduleLogger)
 511         def _on_next_node(self, node):
 512                 self._nextSearch = None
 513                 self.emit("jump-to", node)
 514                 self._window.destroy()
 515
 516         @misc_utils.log_exception(_moduleLogger)
 517         def _on_node_search_error(self, e):
 518                 self._nextSearch = None
 519                 self._errorBanner.push_message(str(e))