96ed2ecf9d0b16aa84c3d3d884353d689ceef0e7
[watersofshiloah] / 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                         self._window.destroy()
147                 elif event.keyval == gtk.keysyms.l and event.get_state() & gtk.gdk.CONTROL_MASK:
148                         with open(constants._user_logpath_, "r") as f:
149                                 logLines = f.xreadlines()
150                                 log = "".join(logLines)
151                                 self._clipboard.set_text(str(log))
152                         return True
153
154         @misc_utils.log_exception(_moduleLogger)
155         def _on_home(self, *args):
156                 self.emit("home")
157                 self._window.destroy()
158
159         @misc_utils.log_exception(_moduleLogger)
160         def _on_jump(self, source, node):
161                 raise NotImplementedError("On %s" % self)
162
163         @misc_utils.log_exception(_moduleLogger)
164         def _on_quit(self, *args):
165                 self.emit("quit")
166                 self._window.destroy()
167
168
169 class ListWindow(BasicWindow):
170
171         def __init__(self, app, player, store, node):
172                 BasicWindow.__init__(self, app, player, store)
173                 self._node = node
174
175                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
176
177                 self._loadingBanner = banners.GenericBanner()
178
179                 modelTypes, columns = zip(*self._get_columns())
180
181                 self._model = gtk.ListStore(*modelTypes)
182
183                 self._treeView = gtk.TreeView()
184                 self._treeView.connect("row-activated", self._on_row_activated)
185                 self._treeView.set_property("fixed-height-mode", True)
186                 self._treeView.set_headers_visible(False)
187                 self._treeView.set_model(self._model)
188                 for column in columns:
189                         if column is not None:
190                                 self._treeView.append_column(column)
191
192                 self._viewport = gtk.Viewport()
193                 self._viewport.add(self._treeView)
194
195                 self._treeScroller = gtk.ScrolledWindow()
196                 self._treeScroller.add(self._viewport)
197                 self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
198                 self._treeScroller = hildonize.hildonize_scrollwindow(self._treeScroller)
199
200                 self._separator = gtk.HSeparator()
201                 self._playcontrol = playcontrol.NavControl(self._player, self._store)
202                 self._playcontrol.connect("home", self._on_home)
203                 self._playcontrol.connect("jump-to", self._on_jump)
204
205                 self._contentLayout = gtk.VBox(False)
206                 self._contentLayout.pack_start(self._treeScroller, True, True)
207                 self._contentLayout.pack_start(self._separator, False, True)
208                 self._contentLayout.pack_start(self._playcontrol.toplevel, False, True)
209
210                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
211                 self._layout.pack_start(self._contentLayout, True, True)
212
213         def show(self):
214                 BasicWindow.show(self)
215
216                 self._errorBanner.toplevel.hide()
217                 self._loadingBanner.toplevel.hide()
218
219                 self._refresh()
220                 self._playcontrol.refresh()
221
222         @classmethod
223         def _get_columns(cls):
224                 raise NotImplementedError("")
225
226         def _get_current_row(self):
227                 if self._player.node is None:
228                         return -1
229                 ancestors, current, descendants = stream_index.common_paths(self._player.node, self._node)
230                 if not descendants:
231                         return -1
232                 activeChild = descendants[0]
233                 for i, row in enumerate(self._model):
234                         if activeChild is row[0]:
235                                 return i
236                 else:
237                         return -1
238
239         def jump_to(self, node):
240                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
241                 if current is None:
242                         raise RuntimeError("Cannot jump to node %s" % node)
243                 if not descendants:
244                         _moduleLogger.info("Current node is the target")
245                         return
246                 child = descendants[0]
247                 window = self._window_from_node(child)
248                 window.jump_to(node)
249
250         def _window_from_node(self, node):
251                 raise NotImplementedError("")
252
253         @misc_utils.log_exception(_moduleLogger)
254         def _on_row_activated(self, view, path, column):
255                 itr = self._model.get_iter(path)
256                 node = self._model.get_value(itr, 0)
257                 self._window_from_node(node)
258
259         @misc_utils.log_exception(_moduleLogger)
260         def _on_player_title_change(self, player, node):
261                 self._select_row()
262
263         @misc_utils.log_exception(_moduleLogger)
264         def _on_jump(self, source, node):
265                 ancestors, current, descendants = stream_index.common_paths(node, self._node)
266                 if current is None:
267                         _moduleLogger.info("%s is not the target, moving up" % self._node)
268                         self.emit("jump-to", node)
269                         self._window.destroy()
270                         return
271                 if not descendants:
272                         _moduleLogger.info("Current node is the target")
273                         return
274                 child = descendants[0]
275                 window = self._window_from_node(child)
276                 window.jump_to(node)
277
278         @misc_utils.log_exception(_moduleLogger)
279         def _on_delay_scroll(self, *args):
280                 self._scroll_to_row()
281
282         def _show_loading(self):
283                 animationPath = self._store.STORE_LOOKUP["loading"]
284                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
285                 self._loadingBanner.show(animation, "Loading...")
286
287         def _hide_loading(self):
288                 self._loadingBanner.hide()
289
290         def _refresh(self):
291                 self._show_loading()
292                 self._model.clear()
293
294         def _select_row(self):
295                 rowIndex = self._get_current_row()
296                 if rowIndex < 0:
297                         return
298                 path = (rowIndex, )
299                 self._treeView.get_selection().select_path(path)
300
301         def _scroll_to_row(self):
302                 rowIndex = self._get_current_row()
303                 if rowIndex < 0:
304                         return
305
306                 path = (rowIndex, )
307                 self._treeView.scroll_to_cell(path)
308
309                 treeViewHeight = self._treeView.get_allocation().height
310                 viewportHeight = self._viewport.get_allocation().height
311
312                 viewsPerPort = treeViewHeight / float(viewportHeight)
313                 maxRows = len(self._model)
314                 percentThrough = rowIndex / float(maxRows)
315                 dxByIndex = int(viewsPerPort * percentThrough * viewportHeight)
316
317                 dxMax = max(treeViewHeight - viewportHeight, 0)
318
319                 dx = min(dxByIndex, dxMax)
320                 adjustment = self._treeScroller.get_vadjustment()
321                 adjustment.value = dx
322
323
324 class PresenterWindow(BasicWindow):
325
326         def __init__(self, app, player, store, node):
327                 BasicWindow.__init__(self, app, player, store)
328                 self._node = node
329                 self._playerNode = self._player.node
330                 self._nextSearch = None
331                 self._updateSeek = None
332
333                 self.connect_auto(self._player, "state-change", self._on_player_state_change)
334                 self.connect_auto(self._player, "title-change", self._on_player_title_change)
335                 self.connect_auto(self._player, "error", self._on_player_error)
336
337                 self._loadingBanner = banners.GenericBanner()
338
339                 self._presenter = presenter.StreamPresenter(self._store)
340                 self._presenter.set_context(
341                         self._get_background(),
342                         self._node.title,
343                         self._node.subtitle,
344                 )
345                 self._presenterNavigation = presenter.NavigationBox()
346                 self._presenterNavigation.toplevel.add(self._presenter.toplevel)
347                 self._presenterNavigation.connect("action", self._on_nav_action)
348                 self._presenterNavigation.connect("navigating", self._on_navigating)
349
350                 self._seekbar = hildonize.create_seekbar()
351                 self._seekbar.connect("change-value", self._on_user_seek)
352
353                 self._layout.pack_start(self._loadingBanner.toplevel, False, False)
354                 self._layout.pack_start(self._presenterNavigation.toplevel, True, True)
355                 self._layout.pack_start(self._seekbar, False, False)
356
357                 self._window.set_title(self._node.title)
358
359         def _get_background(self):
360                 raise NotImplementedError()
361
362         def show(self):
363                 BasicWindow.show(self)
364                 self._window.show_all()
365                 self._errorBanner.toplevel.hide()
366                 self._loadingBanner.toplevel.hide()
367                 self._set_context(self._player.state)
368                 self._seekbar.hide()
369
370         def jump_to(self, node):
371                 assert self._node is node
372
373         @property
374         def _active(self):
375                 return self._playerNode is self._node
376
377         def _show_loading(self):
378                 animationPath = self._store.STORE_LOOKUP["loading"]
379                 animation = self._store.get_pixbuf_animation_from_store(animationPath)
380                 self._loadingBanner.show(animation, "Loading...")
381
382         def _hide_loading(self):
383                 self._loadingBanner.hide()
384
385         def _set_context(self, state):
386                 if state == self._player.STATE_PLAY:
387                         if self._active:
388                                 self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
389                         else:
390                                 self._presenter.set_state(self._store.STORE_LOOKUP["play"])
391                 elif state == self._player.STATE_PAUSE:
392                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
393                 elif state == self._player.STATE_STOP:
394                         self._presenter.set_state(self._store.STORE_LOOKUP["play"])
395                 else:
396                         _moduleLogger.info("Unhandled player state %s" % state)
397
398         @misc_utils.log_exception(_moduleLogger)
399         def _on_user_seek(self, widget, scroll, value):
400                 self._player.seek(value / 100.0)
401
402         @misc_utils.log_exception(_moduleLogger)
403         def _on_player_update_seek(self):
404                 if self._isDestroyed:
405                         return False
406                 self._seekbar.set_value(self._player.percent_elapsed * 100)
407                 return True
408
409         @misc_utils.log_exception(_moduleLogger)
410         def _on_player_state_change(self, player, newState):
411                 if self._active and self._player.state == self._player.STATE_PLAY:
412                         self._seekbar.show()
413                         assert self._updateSeek is None
414                         self._updateSeek = go_utils.Timeout(self._on_player_update_seek, once=False)
415                         self._updateSeek.start(seconds=1)
416                 else:
417                         self._seekbar.hide()
418                         if self._updateSeek is not None:
419                                 self._updateSeek.cancel()
420                                 self._updateSeek = None
421
422                 if not self._presenterNavigation.is_active():
423                         self._set_context(newState)
424
425         @misc_utils.log_exception(_moduleLogger)
426         def _on_player_title_change(self, player, node):
427                 if not self._active or node in [None, self._node]:
428                         self._playerNode = node
429                         return
430                 self._playerNode = node
431                 self.emit("jump-to", node)
432                 self._window.destroy()
433
434         @misc_utils.log_exception(_moduleLogger)
435         def _on_player_error(self, player, err, debug):
436                 _moduleLogger.error("%r - %r" % (err, debug))
437
438         @misc_utils.log_exception(_moduleLogger)
439         def _on_navigating(self, widget, navState):
440                 if navState == "clicking":
441                         if self._player.state == self._player.STATE_PLAY:
442                                 if self._active:
443                                         imageName = "pause_pressed"
444                                 else:
445                                         imageName = "play_pressed"
446                         elif self._player.state == self._player.STATE_PAUSE:
447                                 imageName = "play_pressed"
448                         elif self._player.state == self._player.STATE_STOP:
449                                 imageName = "play_pressed"
450                         else:
451                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
452                 elif navState == "down":
453                         imageName = "home"
454                 elif navState == "up":
455                         if self._player.state == self._player.STATE_PLAY:
456                                 if self._active:
457                                         imageName = "pause"
458                                 else:
459                                         imageName = "play"
460                         elif self._player.state == self._player.STATE_PAUSE:
461                                 imageName = "play"
462                         elif self._player.state == self._player.STATE_STOP:
463                                 imageName = "play"
464                         else:
465                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
466                 elif navState == "left":
467                         imageName = "next"
468                 elif navState == "right":
469                         imageName = "prev"
470
471                 self._presenter.set_state(self._store.STORE_LOOKUP[imageName])
472
473         @misc_utils.log_exception(_moduleLogger)
474         def _on_nav_action(self, widget, navState):
475                 self._set_context(self._player.state)
476
477                 if navState == "clicking":
478                         if self._player.state == self._player.STATE_PLAY:
479                                 if self._active:
480                                         self._player.pause()
481                                 else:
482                                         self._player.set_piece_by_node(self._node)
483                                         self._player.play()
484                         elif self._player.state == self._player.STATE_PAUSE:
485                                 self._player.play()
486                         elif self._player.state == self._player.STATE_STOP:
487                                 self._player.set_piece_by_node(self._node)
488                                 self._player.play()
489                         else:
490                                 _moduleLogger.info("Unhandled player state %s" % self._player.state)
491                 elif navState == "down":
492                         self.emit("home")
493                         self._window.destroy()
494                 elif navState == "up":
495                         pass
496                 elif navState == "left":
497                         if self._active:
498                                 self._player.next()
499                         else:
500                                 assert self._nextSearch is None
501                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_next)
502                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
503                 elif navState == "right":
504                         if self._active:
505                                 self._player.back()
506                         else:
507                                 assert self._nextSearch is None
508                                 self._nextSearch = stream_index.AsyncWalker(stream_index.get_previous)
509                                 self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
510
511         @misc_utils.log_exception(_moduleLogger)
512         def _on_next_node(self, node):
513                 self._nextSearch = None
514                 self.emit("jump-to", node)
515                 self._window.destroy()
516
517         @misc_utils.log_exception(_moduleLogger)
518         def _on_node_search_error(self, e):
519                 self._nextSearch = None
520                 self._errorBanner.push_message(str(e))