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 presenter
  17
  18
  19 _moduleLogger = logging.getLogger(__name__)
  20
  21
  22 class BasicWindow(gobject.GObject, go_utils.AutoSignal):
  23
  24         __gsignals__ = {
  25                 'quit' : (
  26                         gobject.SIGNAL_RUN_LAST,
  27                         gobject.TYPE_NONE,
  28                         (),
  29                 ),
  30                 'home' : (
  31                         gobject.SIGNAL_RUN_LAST,
  32                         gobject.TYPE_NONE,
  33                         (),
  34                 ),
  35                 'jump-to' : (
  36                         gobject.SIGNAL_RUN_LAST,
  37                         gobject.TYPE_NONE,
  38                         (gobject.TYPE_PYOBJECT, ),
  39                 ),
  40                 'rotate' : (
  41                         gobject.SIGNAL_RUN_LAST,
  42                         gobject.TYPE_NONE,
  43                         (gobject.TYPE_BOOLEAN, ),
  44                 ),
  45                 'fullscreen' : (
  46                         gobject.SIGNAL_RUN_LAST,
  47                         gobject.TYPE_NONE,
  48                         (gobject.TYPE_BOOLEAN, ),
  49                 ),
  50         }
  51
  52         def __init__(self, app, player, store):
  53                 gobject.GObject.__init__(self)
  54                 self._isDestroyed = False
  55
  56                 self._app = app
  57                 self._player = player
  58                 self._store = store
  59
  60                 self._clipboard = gtk.clipboard_get()
  61                 self._windowInFullscreen = False
  62
  63                 self._errorBanner = banners.StackingBanner()
  64
  65                 self._layout = gtk.VBox()
  66
  67                 self._window = gtk.Window()
  68                 self._window.add(self._layout)
  69                 self._window = hildonize.hildonize_window(self._app, self._window)
  70                 go_utils.AutoSignal.__init__(self, self.window)
  71
  72                 self._window.set_icon(self._store.get_pixbuf_from_store(self._store.STORE_LOOKUP["icon"]))
  73                 self._window.connect("key-press-event", self._on_key_press)
  74                 self._window.connect("window-state-event", self._on_window_state_change)
  75                 self._window.connect("destroy", self._on_destroy)
  76
  77                 if hildonize.GTK_MENU_USED:
  78                         aboutMenuItem = gtk.MenuItem("About")
  79                         aboutMenuItem.connect("activate", self._on_about)
  80
  81                         helpMenu = gtk.Menu()
  82                         helpMenu.append(aboutMenuItem)
  83
  84                         helpMenuItem = gtk.MenuItem("Help")
  85                         helpMenuItem.set_submenu(helpMenu)
  86
  87                         menuBar = gtk.MenuBar()
  88                         menuBar.append(helpMenuItem)
  89
  90                         self._layout.pack_start(menuBar, False, False)
  91                 else:
  92                         aboutMenuItem = gtk.Button("About")
  93                         aboutMenuItem.connect("clicked", self._on_about)
  94
  95                         appMenu = hildonize.hildon.AppMenu()
  96                         appMenu.append(aboutMenuItem)
  97                         appMenu.show_all()
  98                         self._window.set_app_menu(appMenu)
  99
 100                 self._layout.pack_start(self._errorBanner.toplevel, False, True)
 101
 102         @property
 103         def window(self):
 104                 return self._window
 105
 106         def show(self):
 107                 hildonize.window_to_portrait(self._window)
 108                 self._window.show_all()
 109
 110         def save_settings(self, config, sectionName):
 111                 config.add_section(sectionName)
 112                 config.set(sectionName, "fullscreen", str(self._windowInFullscreen))
 113
 114         def load_settings(self, config, sectionName):
 115                 try:
 116                         windowInFullscreen = config.getboolean(sectionName, "fullscreen")
 117                 except ConfigParser.NoSectionError, e:
 118                         _moduleLogger.info(
 119                                 "Settings file %s is missing section %s" % (
 120                                         constants._user_settings_,
 121                                         e.section,
 122                                 )
 123                         )
 124                         windowInFullscreen = self._windowInFullscreen
 125
 126                 if windowInFullscreen:
 127                         self._window.fullscreen()
 128                 else:
 129                         self._window.unfullscreen()
 130
 131         def jump_to(self, node):
 132                 raise NotImplementedError("On %s" % self)
 133
 134         @misc_utils.log_exception(_moduleLogger)
 135         def _on_about(self, *args):
 136                 show_about()
 137
 138         @misc_utils.log_exception(_moduleLogger)
 139         def _on_destroy(self, *args):
 140                 self._isDestroyed = True
 141
 142         @misc_utils.log_exception(_moduleLogger)
 143         def _on_window_state_change(self, widget, event, *args):
 144                 oldIsFull = self._windowInFullscreen
 145                 if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN:
 146                         self._windowInFullscreen = True
 147                 else:
 148                         self._windowInFullscreen = False
 149                 if oldIsFull != self._windowInFullscreen:
 150                         _moduleLogger.info("%r Emit fullscreen %s" % (self, self._windowInFullscreen))
 151                         self.emit("fullscreen", self._windowInFullscreen)
 152
 153         @misc_utils.log_exception(_moduleLogger)
 154         def _on_key_press(self, widget, event, *args):
 155                 RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter)
 156                 isCtrl = bool(event.get_state() & gtk.gdk.CONTROL_MASK)
 157                 if (
 158                         event.keyval == gtk.keysyms.F6 or
 159                         event.keyval in RETURN_TYPES and isCtrl
 160                 ):
 161                         # The "Full screen" hardware key has been pressed
 162                         if self._windowInFullscreen:
 163                                 self._window.unfullscreen ()
 164                         else:
 165                                 self._window.fullscreen ()
 166                         return True
 167                 elif (
 168                         event.keyval in (gtk.keysyms.w, ) and
 169                         event.get_state() & gtk.gdk.CONTROL_MASK
 170                 ):
 171                         self._window.destroy()
 172                 elif (
 173                         event.keyval in (gtk.keysyms.q, ) and
 174                         event.get_state() & gtk.gdk.CONTROL_MASK
 175                 ):
 176                         self.emit("quit")
 177                         self._window.destroy()
 178                 elif event.keyval == gtk.keysyms.l and event.get_state() & gtk.gdk.CONTROL_MASK:
 179                         with open(constants._user_logpath_, "r") as f:
 180                                 logLines = f.xreadlines()
 181                                 log = "".join(logLines)
 182                                 self._clipboard.set_text(str(log))
 183                         return True
 184
 185         @misc_utils.log_exception(_moduleLogger)
 186         def _on_home(self, *args):
 187                 self.emit("home")
 188                 self._window.destroy()
 189
 190         @misc_utils.log_exception(_moduleLogger)
 191         def _on_child_fullscreen(self, source, isFull):
 192                 if isFull:
 193                         _moduleLogger.info("Full screen %r to mirror child %r" % (self, source))
 194                         self._window.fullscreen()
 195                 else:
 196                         _moduleLogger.info("Unfull screen %r to mirror child %r" % (self, source))
 197                         self._window.unfullscreen()
 198
 199         @misc_utils.log_exception(_moduleLogger)
 200         def _on_jump(self, source, node):
 201                 raise NotImplementedError("On %s" % self)
 202
 203         @misc_utils.log_exception(_moduleLogger)
 204         def _on_quit(self, *args):
 205                 self.emit("quit")
 206                 self._window.destroy()
 207
 208
 209 class ListWindow(BasicWindow):
 210
 211         def __init__(self, app, player, store, node):
 212                 BasicWindow.__init__(self, app, player, store)
 213                 self._node = node
 214
 215                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
 216
 217                 self._loadingBanner = banners.GenericBanner()
 218
 219                 modelTypes, columns = zip(*self._get_columns())
 220
 221                 self._model = gtk.ListStore(*modelTypes)
 222
 223                 self._treeView = gtk.TreeView()
 224                 self._treeView.connect("row-activated", self._on_row_activated)
 225                 self._treeView.set_property("fixed-height-mode", True)
 226                 self._treeView.set_headers_visible(False)
 227                 self._treeView.set_model(self._model)
 228                 for column in columns:
 229                         if column is not None:
 230                                 self._treeView.append_column(column)
 231
 232                 self._viewport = gtk.Viewport()
 233                 self._viewport.add(self._treeView)
 234
 235                 self._treeScroller = gtk.ScrolledWindow()
 236                 self._treeScroller.add(self._viewport)
 237                 self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 238                 self._treeScroller = hildonize.hildonize_scrollwindow(self._treeScroller)
 239
 240                 self._separator = gtk.HSeparator()
 241                 self._presenter = presenter.NavControl(self._player, self._store)
 242                 self.connect_auto(self._presenter, "home", self._on_home)
 243                 self.connect_auto(self._presenter, "jump-to", self._on_jump)
 244
 245                 self._contentLayout = gtk.VBox(False)
 246                 self._contentLayout.pack_start(self._treeScroller, True, True)
 247                 self._contentLayout.pack_start(self._separator, False, True)
 248                 self._contentLayout.pack_start(self._presenter.toplevel, False, True)
 249
 250                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
 251                 self._layout.pack_start(self._contentLayout, True, True)
 252
 253         def show(self):
 254                 BasicWindow.show(self)
 255
 256                 self._errorBanner.toplevel.hide()
 257                 self._loadingBanner.toplevel.hide()
 258
 259                 self._refresh()
 260                 self._presenter.refresh()
 261
 262         @classmethod
 263         def _get_columns(cls):
 264                 raise NotImplementedError("")
 265
 266         def _get_current_row(self):
 267                 if self._player.node is None:
 268                         return -1
 269                 ancestors, current, descendants = stream_index.common_paths(self._player.node, self._node)
 270                 if not descendants:
 271                         return -1
 272                 activeChild = descendants[0]
 273                 for i, row in enumerate(self._model):
 274                         if activeChild is row[0]:
 275                                 return i
 276                 else:
 277                         return -1
 278
 279         def jump_to(self, node):
 280                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
 281                 if current is None:
 282                         raise RuntimeError("Cannot jump to node %s" % node)
 283                 if not descendants:
 284                         _moduleLogger.info("Current node is the target")
 285                         return
 286                 child = descendants[0]
 287                 window = self._window_from_node(child)
 288                 window.jump_to(node)
 289
 290         def _window_from_node(self, node):
 291                 raise NotImplementedError("")
 292
 293         @misc_utils.log_exception(_moduleLogger)
 294         def _on_row_activated(self, view, path, column):
 295                 itr = self._model.get_iter(path)
 296                 node = self._model.get_value(itr, 0)
 297                 self._window_from_node(node)
 298
 299         @misc_utils.log_exception(_moduleLogger)
 300         def _on_player_title_change(self, player, node):
 301                 assert not self._isDestroyed
 302                 self._select_row()
 303
 304         @misc_utils.log_exception(_moduleLogger)
 305         def _on_jump(self, source, node):
 306                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
 307                 if current is None:
 308                         _moduleLogger.info("%s is not the target, moving up" % self._node)
 309                         self.emit("jump-to", node)
 310                         self._window.destroy()
 311                         return
 312                 if not descendants:
 313                         _moduleLogger.info("Current node is the target")
 314                         return
 315                 child = descendants[0]
 316                 window = self._window_from_node(child)
 317                 window.jump_to(node)
 318
 319         @misc_utils.log_exception(_moduleLogger)
 320         def _on_delay_scroll(self, *args):
 321                 self._scroll_to_row()
 322
 323         def _show_loading(self):
 324                 animationPath = self._store.STORE_LOOKUP["loading"]
 325                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
 326                 self._loadingBanner.show(animation, "Loading...")
 327
 328         def _hide_loading(self):
 329                 self._loadingBanner.hide()
 330
 331         def _refresh(self):
 332                 self._show_loading()
 333                 self._model.clear()
 334
 335         def _select_row(self):
 336                 rowIndex = self._get_current_row()
 337                 if rowIndex < 0:
 338                         return
 339                 path = (rowIndex, )
 340                 self._treeView.get_selection().select_path(path)
 341
 342         def _scroll_to_row(self):
 343                 rowIndex = self._get_current_row()
 344                 if rowIndex < 0:
 345                         return
 346
 347                 path = (rowIndex, )
 348                 self._treeView.scroll_to_cell(path)
 349
 350                 treeViewHeight = self._treeView.get_allocation().height
 351                 viewportHeight = self._viewport.get_allocation().height
 352
 353                 viewsPerPort = treeViewHeight / float(viewportHeight)
 354                 maxRows = len(self._model)
 355                 percentThrough = rowIndex / float(maxRows)
 356                 dxByIndex = int(viewsPerPort * percentThrough * viewportHeight)
 357
 358                 dxMax = max(treeViewHeight - viewportHeight, 0)
 359
 360                 dx = min(dxByIndex, dxMax)
 361                 adjustment = self._treeScroller.get_vadjustment()
 362                 adjustment.value = dx
 363
 364
 365 class PresenterWindow(BasicWindow):
 366
 367         def __init__(self, app, player, store, node):
 368                 BasicWindow.__init__(self, app, player, store)
 369                 self._node = node
 370                 self._playerNode = self._player.node
 371                 self._nextSearch = None
 372                 self._updateSeek = None
 373
 374                 self.connect_auto(self._player, "state-change", self._on_player_state_change)
 375                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
 376                 self.connect_auto(self._player, "error", self._on_player_error)
 377
 378                 self._loadingBanner = banners.GenericBanner()
 379
 380                 self._presenter = presenter.StreamPresenter(self._store)
 381                 self._presenter.set_context(
 382                         self._get_background(),
 383                         self._node.title,
 384                         self._node.subtitle,
 385                 )
 386                 self._presenterNavigation = presenter.NavigationBox()
 387                 self._presenterNavigation.toplevel.add(self._presenter.toplevel)
 388                 self.connect_auto(self._presenterNavigation, "action", self._on_nav_action)
 389                 self.connect_auto(self._presenterNavigation, "navigating", self._on_navigating)
 390
 391                 self._seekbar = hildonize.create_seekbar()
 392                 self._seekbar.connect("change-value", self._on_user_seek)
 393
 394                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
 395                 self._layout.pack_start(self._presenterNavigation.toplevel, True, True)
 396                 self._layout.pack_start(self._seekbar, False, False)
 397
 398                 self._window.set_title(self._node.get_parent().title)
 399
 400         def _get_background(self):
 401                 raise NotImplementedError()
 402
 403         def show(self):
 404                 BasicWindow.show(self)
 405                 self._window.show_all()
 406                 self._errorBanner.toplevel.hide()
 407                 self._loadingBanner.toplevel.hide()
 408                 self._set_context(self._player.state)
 409                 self._seekbar.hide()
 410
 411         def jump_to(self, node):
 412                 assert self._node is node
 413
 414         @property
 415         def _active(self):
 416                 return self._playerNode is self._node
 417
 418         def _show_loading(self):
 419                 animationPath = self._store.STORE_LOOKUP["loading"]
 420                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
 421                 self._loadingBanner.show(animation, "Loading...")
 422
 423         def _hide_loading(self):
 424                 self._loadingBanner.hide()
 425
 426         def _set_context(self, state):
 427                 if state == self._player.STATE_PLAY:
 428                         if self._active:
 429                                 self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
 430                         else:
 431                                 self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 432                 elif state == self._player.STATE_PAUSE:
 433                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 434                 elif state == self._player.STATE_STOP:
 435                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
 436                 else:
 437                         _moduleLogger.info("Unhandled player state %s" % state)
 438
 439         @misc_utils.log_exception(_moduleLogger)
 440         def _on_user_seek(self, widget, scroll, value):
 441                 self._player.seek(value / 100.0)
 442
 443         @misc_utils.log_exception(_moduleLogger)
 444         def _on_player_update_seek(self):
 445                 if self._isDestroyed:
 446                         return False
 447                 self._seekbar.set_value(self._player.percent_elapsed * 100)
 448                 return True
 449
 450         @misc_utils.log_exception(_moduleLogger)
 451         def _on_player_state_change(self, player, newState):
 452                 assert not self._isDestroyed
 453                 if self._active and self._player.state == self._player.STATE_PLAY:
 454                         self._seekbar.show()
 455                         assert self._updateSeek is None
 456                         self._updateSeek = go_utils.Timeout(self._on_player_update_seek, once=False)
 457                         self._updateSeek.start(seconds=1)
 458                 else:
 459                         self._seekbar.hide()
 460                         if self._updateSeek is not None:
 461                                 self._updateSeek.cancel()
 462                                 self._updateSeek = None
 463
 464                 if not self._presenterNavigation.is_active():
 465                         self._set_context(newState)
 466
 467         @misc_utils.log_exception(_moduleLogger)
 468         def _on_player_title_change(self, player, node):
 469                 assert not self._isDestroyed
 470                 if not self._active or node in [None, self._node]:
 471                         self._playerNode = node
 472                         return
 473                 self._playerNode = node
 474                 self.emit("jump-to", node)
 475                 self._window.destroy()
 476
 477         @misc_utils.log_exception(_moduleLogger)
 478         def _on_player_error(self, player, err, debug):
 479                 assert not self._isDestroyed
 480                 _moduleLogger.error("%r - %r" % (err, debug))
 481
 482         @misc_utils.log_exception(_moduleLogger)
 483         def _on_navigating(self, widget, navState):
 484                 if navState == "clicking":
 485                         if self._player.state == self._player.STATE_PLAY:
 486                                 if self._active:
 487                                         imageName = "pause_pressed"
 488                                 else:
 489                                         imageName = "play_pressed"
 490                         elif self._player.state == self._player.STATE_PAUSE:
 491                                 imageName = "play_pressed"
 492                         elif self._player.state == self._player.STATE_STOP:
 493                                 imageName = "play_pressed"
 494                         else:
 495                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 496                 elif navState == "down":
 497                         imageName = "home"
 498                 elif navState == "up":
 499                         if self._player.state == self._player.STATE_PLAY:
 500                                 if self._active:
 501                                         imageName = "pause"
 502                                 else:
 503                                         imageName = "play"
 504                         elif self._player.state == self._player.STATE_PAUSE:
 505                                 imageName = "play"
 506                         elif self._player.state == self._player.STATE_STOP:
 507                                 imageName = "play"
 508                         else:
 509                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 510                 elif navState == "left":
 511                         imageName = "next"
 512                 elif navState == "right":
 513                         imageName = "prev"
 514
 515                 self._presenter.set_state(self._store.STORE_LOOKUP[imageName])
 516
 517         @misc_utils.log_exception(_moduleLogger)
 518         def _on_nav_action(self, widget, navState):
 519                 self._set_context(self._player.state)
 520
 521                 if navState == "clicking":
 522                         if self._player.state == self._player.STATE_PLAY:
 523                                 if self._active:
 524                                         self._player.pause()
 525                                 else:
 526                                         self._player.set_piece_by_node(self._node)
 527                                         self._player.play()
 528                         elif self._player.state == self._player.STATE_PAUSE:
 529                                 self._player.play()
 530                         elif self._player.state == self._player.STATE_STOP:
 531                                 self._player.set_piece_by_node(self._node)
 532                                 self._player.play()
 533                         else:
 534                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
 535                 elif navState == "down":
 536                         self.emit("home")
 537                         self._window.destroy()
 538                 elif navState == "up":
 539                         pass
 540                 elif navState == "left":
 541                         if self._active:
 542                                 self._player.next()
 543                         else:
 544                                 assert self._nextSearch is None
 545                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_next)
 546                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
 547                 elif navState == "right":
 548                         if self._active:
 549                                 self._player.back()
 550                         else:
 551                                 assert self._nextSearch is None
 552                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_previous)
 553                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
 554
 555         @misc_utils.log_exception(_moduleLogger)
 556         def _on_next_node(self, node):
 557                 self._nextSearch = None
 558                 self.emit("jump-to", node)
 559                 self._window.destroy()
 560
 561         @misc_utils.log_exception(_moduleLogger)
 562         def _on_node_search_error(self, e):
 563                 self._nextSearch = None
 564                 self._errorBanner.push_message(str(e))
 565
 566
 567 def show_about():
 568         # @todo Turn this into a full-fledge window to keep it rotated
 569         dialog = gtk.AboutDialog()
 570         dialog.set_position(gtk.WIN_POS_CENTER)
 571         dialog.set_name(constants.__pretty_app_name__)
 572         dialog.set_version(constants.__version__)
 573         dialog.set_copyright("(c) 2010 Intellectual Reserve, Inc. All rights reserved.")
 574         dialog.set_website("http://www.lds.org")
 575         comments = "Mormon Radio and Audiobook Player"
 576         dialog.set_comments(comments)
 577         dialog.set_authors(["The Church of Jesus Christ of Latter-day Saints"])
 578         dialog.run()
 579         dialog.destroy()