class ListIndicatorTest(EntertainerTest):
'''Test for entertainerlib.gui.widgets.list_indicator.'''
def setUp(self):
'''Set up the test.'''
EntertainerTest.setUp(self)
self.indicator = ListIndicator(0.7, 0.8, 0.2, 0.045,
ListIndicator.HORIZONTAL)
def test_create(self):
'''Test correct ListIndicator initialization.'''
self.assertTrue(isinstance(self.indicator, ListIndicator))
def test_currentmax(self):
'''Test methods to handle the current and maximum attributes.'''
self.indicator.set_current(10)
self.assertEqual(self.indicator.get_current(), 1)
self.indicator.set_current(-99)
self.assertEqual(self.indicator.get_current(), 1)
self.indicator.set_maximum(10)
self.indicator.set_current(5)
self.assertEqual(self.indicator.get_current(), 5)
def test_setdelimiter(self):
'''Test the set_delimiter method.'''
self.indicator.set_maximum(100)
self.indicator.set_current(50)
self.indicator.set_delimiter(" * ")
self.assertEqual(self.indicator.text.get_text(), "50 * 100")
class Album(Screen):
'''Screen that allows user to browse and play tracks of the music album.'''
def __init__(self, media_player, music_library, move_to_new_screen_callback,
album):
Screen.__init__(self, 'Album', move_to_new_screen_callback)
self.media_player = media_player
self.theme = self.config.theme
self.library = music_library
self.album = album
self.art = None
self.track_menu = None
# Create and initialize screen items
self.track_menu = self._create_track_menu()
self.add(self.track_menu)
self._create_album_cover_texture()
self._create_album_info()
self.screen_title = Label(0.13, "screentitle", 0, 0.87, "")
self.screen_title.set_ellipsize(pango.ELLIPSIZE_END)
self.screen_title.width = 0.8
self.add(self.screen_title)
#List indicator
self.li = ListIndicator(0.74, 0.85, 0.2, 0.045, ListIndicator.VERTICAL)
self.li.set_maximum(len(self.album.tracks))
self.add(self.li)
self.track_menu.active = True
self.track_menu.connect('selected', self._on_menu_selected)
self.track_menu.connect('moved', self._display_selected_track)
def _create_album_cover_texture(self):
"""
Create a texture that is displayed next to track list. This texture
displays album cover art.
"""
if(self.album.has_album_art()):
pixbuf = gtk.gdk.pixbuf_new_from_file(self.album.album_art_url)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.theme.getImage("default_album_art"))
self.art = EyeCandyTexture(0.1, 0.13, 0.3148, 0.5599, pixbuf)
self.art.set_rotation(clutter.Y_AXIS, 25, 0, 0, 0)
self.add(self.art)
def _create_album_info(self):
"""
Create album info labels.
"""
if self.album.year != 0:
album_text = self.album.title + ", " + str(self.album.year)
else:
album_text = self.album.title
album = Label(0.0416, "text", 0.5, 0.13, album_text, font_weight="bold")
album.set_ellipsize(pango.ELLIPSIZE_END)
album.set_line_wrap(False)
album.width = 0.45
self.add(album)
length = str(self.album.length / 60)
num_of_tracks_text = _("%(total)s tracks, %(time)s minutes") % \
{'total': len(self.album.tracks), 'time': length}
num_of_tracks = Label(0.028, "subtitle", 0.5, 0.18,
num_of_tracks_text, font_weight="bold")
self.add(num_of_tracks)
def _create_track_menu(self):
"""
Create track menu. This menu contains list of all tracks on album.
"""
menu = TextMenu(0.4978, 0.2344, 0.4393, 0.0781)
tracks = self.album.tracks
tracks_list = [[track.title, track.length_string, track] \
for track in tracks]
menu.async_add(tracks_list)
return menu
def is_interested_in_play_action(self):
"""
Override function from Screen class. See Screen class for
better documentation.
"""
return True
def execute_play_action(self):
"""
Override function from Screen class. See Screen class for
better documentation.
"""
track = self.track_menu.selected_userdata
self.media_player.set_media(track)
self.media_player.play()
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.track_menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.track_menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
track = self.track_menu.selected_userdata
kwargs = { 'track' : track }
self.callback("audio_play", kwargs)
def _on_menu_selected(self, actor=None):
'''Handle a *select command* if an item was selected.'''
self._handle_select()
def _display_selected_track(self, actor=None):
'''Update of the list indicator and the screen's title'''
self.li.set_current(self.track_menu.selected_index + 1)
track = self.track_menu.selected_userdata
self.screen_title.set_text(track.artist)
self.screen_title.show()
class VideoClipsTab(Tab):
"""
Tab can be used as part of the TabGroup
Tab is a very simple container that contains all the widgets and logic
of the tab page.
"""
def __init__(self, media_player, video_library, move_to_new_screen_callback,
name="clips", tab_title=_("Video clips")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.media_player = media_player
self.video_library = video_library
self.theme = self.config.theme
self.list_indicator = None
self.clip_info = None
self.menu = None
self.clip_title = None
if self.video_library.get_number_of_video_clips() == 0:
self._create_empty_library_notice()
else:
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.7, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = self._create_menu()
self.add(self.menu)
self.menu.connect("moved", self._update_clip_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
def can_activate(self):
"""
Allow if we have some movies indexed.
"""
if self.video_library.get_number_of_video_clips() == 0:
return False
else:
return True
def _create_empty_library_notice(self):
"""
Create an information box that is displayed if there are no indexed
movies.
"""
message = _(
"There are no indexed Video Clips in the Entertainer media "
"library. Please add some folders containing video clips "
"to the Library using the configuration tool.")
Tab.show_empty_tab_notice(self, _("No video clips available!"), message)
def _create_menu(self):
"""
Create a view that is displayed when there are indexed clips in
the video library.
"""
menu = ImageMenu(0.04, 0.16, 0.23, self.y_for_x(0.23) * 0.7)
menu.items_per_col = 2
menu.visible_rows = 2
menu.visible_cols = 4
clips = self.video_library.get_video_clips()
clips_list = [[clip.thumbnail_url, clip] for clip in clips]
menu.async_add_clips(clips_list)
# Create list indicator
self.list_indicator = ListIndicator(0.7, 0.8, 0.2, 0.045,
ListIndicator.HORIZONTAL)
self.list_indicator.set_maximum(len(clips))
self.list_indicator.show()
self.add(self.list_indicator)
# Create information labels
self.clip_title = Label(0.042, "title", 0.15, 0.77, "",
font_weight="bold")
self.clip_title.set_ellipsize(pango.ELLIPSIZE_END)
self.clip_title.set_line_wrap(False)
self.clip_title.width = 0.5
self.add(self.clip_title)
self.clip_info = Label(0.034, "subtitle", 0.15, 0.85, "")
self.clip_info.set_ellipsize(pango.ELLIPSIZE_END)
self.clip_info.set_line_wrap(False)
self.clip_info.width = 0.5
self.add(self.clip_info)
return menu
def _update_clip_info(self, event=None):
'''Update the VideoClip information labels.'''
if self.active:
clip = self.menu.selected_userdata
(folder, filename) = os.path.split(clip.filename)
self.clip_title.set_text(filename)
self.clip_info.set_text(folder)
self.list_indicator.show()
self.list_indicator.set_current(self.menu.selected_index + 1)
else:
self.clip_title.set_text("")
self.clip_info.set_text("")
self.list_indicator.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
clip = self.menu.selected_userdata
self.media_player.set_media(clip)
self.media_player.play()
self.callback("video_osd")
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_clip_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_clip_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class PhotoAlbums(Screen):
'''Screen contains a list of photo albums and album previews.'''
def __init__(self, image_library, move_to_new_screen_callback):
Screen.__init__(self, 'PhotoAlbums', move_to_new_screen_callback)
self.theme = self.config.theme
self.image_library = image_library
self.timeout = None # Timeout key (this is used when scrolling menu)
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, _("Photographs"))
self.add(screen_title)
if self.image_library.get_number_of_albums() == 0:
self._create_no_photos_information()
else:
# Album preview group
self.preview = clutter.Group()
self.preview.set_position(self.get_abs_x(0.07),
self.get_abs_y(0.1953))
self.preview.show()
self.add(self.preview)
self.preview_fade = None
self.menu = None
self.in_behaviour = None
self.out_behaviour = None
self.in_opacity = None
self.out_opacity = None
self.preview_textures = None
self.menu = self._create_album_menu()
self.add(self.menu)
self.li = None
self._create_list_indicator()
self._update_album_preview(self.menu.selected_userdata)
self.menu.connect('selected', self._handle_select)
self.menu.connect('moved', self._display_selected_album)
def _create_no_photos_information(self):
"""
Create textures and labels for information screen. This is displayed
instead of album list if there are no photos available and it helps
users to add new photographs to the system.
"""
# Create warning icon
warning_icon = Texture(self.theme.getImage("warning_icon"), 0.28, 0.27)
self.add(warning_icon)
# Create warning title
info_title = Label(0.0625, "title", 0.3367, 0.2709,
_("No photographs available!"))
self.add(info_title)
# Create warning help text
message = _(
"There are no indexed photographs in the Entertainer media "
"library. To add photographs, start the Content management tool "
"and open the 'Images' tab. Now click on the 'Add' button and "
"select some folders which contain image files.")
info = Label(0.0417, "menuitem_inactive", 0.2804, 0.45, message)
info.set_size(0.5, 0.5859)
self.add(info)
def _create_album_menu(self):
"""
Create ImageAlbum-menu. This menu contains list of albums. It also
displays number of photographs per album.
"""
menu = TextMenu(0.5271, 0.3385, 0.4393, 0.0781)
menu.visible_rows = 7
albums = self.image_library.get_albums()
albums_list = [[album.get_title(), str(album.get_number_of_images()),
album] for album in albums if album.get_number_of_images() != 0]
menu.async_add(albums_list)
menu.active = True
return menu
def _create_album_preview(self, album):
"""
Create a clutter.Group that contains album preview actors.
"""
group = clutter.Group()
group.set_position(self.get_abs_x(0.07), self.get_abs_y(0.1953))
# Preview images
images = album.get_preview_images(3)
self.preview_textures = []
max_w = 0.4026
max_h = 0.5599
abs_max_w = self.get_abs_x(max_w)
abs_max_h = self.get_abs_y(max_h)
for image in images:
pix_buffer = gtk.gdk.pixbuf_new_from_file(image.get_thumbnail_url())
ratio = float(pix_buffer.get_width())
ratio /= float(pix_buffer.get_height())
# Resize and center preview texture
if ratio > 1:
texture = EyeCandyTexture(0.0, 0.0, max_w, max_h / ratio,
pix_buffer)
new_y = int((abs_max_h - abs_max_h / ratio) / 2.0)
texture.set_position(0, new_y)
else:
texture = EyeCandyTexture(0.0, 0.0, max_w * ratio,
max_h, pix_buffer)
new_x = int((abs_max_w - abs_max_w * ratio) / 2.0)
texture.set_position(new_x, 0)
texture.set_rotation(clutter.Y_AXIS, 25, 0, 0, 0)
texture.set_opacity(0)
self.preview_textures.append(texture)
group.add(texture)
self.preview_textures[0].set_opacity(255)
title = Label(0.03646, "title", 0.4649, 0, album.get_title(),
font_weight="bold")
title.width = 0.4758
title.set_ellipsize(pango.ELLIPSIZE_END)
group.add(title)
desc = Label(0.026, "subtitle", 0.4649, 0.0521, album.get_description())
desc.width = 0.4758
group.add(desc)
return group
def _update_album_preview(self, album):
"""
Update album preview. Display preview images from the current album.
@param album: Currently selected album in menu
"""
if self.preview_fade is not None:
gobject.source_remove(self.preview_fade)
new = self._create_album_preview(album)
if self.config.show_effects:
old = self.preview
new.set_opacity(0)
self.preview = new
self.add(self.preview)
#Fade out timeline
timeline1 = clutter.Timeline(500)
alpha1 = clutter.Alpha(timeline1, clutter.EASE_IN_OUT_SINE)
self.out_opacity = clutter.BehaviourOpacity(255, 0, alpha1)
self.out_opacity.apply(old)
timeline1.connect('completed', self._change_preview_timeline_ended,
old)
# Fade in timeline
timeline2 = clutter.Timeline(500)
alpha2 = clutter.Alpha(timeline2, clutter.EASE_IN_OUT_SINE)
self.in_opacity = clutter.BehaviourOpacity(0, 255, alpha2)
self.in_opacity.apply(new)
# Start animation
timeline1.start()
timeline2.start()
else:
# Do it without animation
if self.preview is not None:
self.remove(self.preview)
self.preview = new
self.add(self.preview)
if len(self.preview_textures) > 1:
self.preview_fade = gobject.timeout_add(6000,
self._change_preview_image)
return False # see gobject.timeout_add() doc
def _change_preview_timeline_ended(self, timeline, group):
"""
This is a callback function for preview updates. This is called when
transition effect is finished. This method removes old preview group
from the stage.
"""
self.remove(group)
def _change_preview_image(self):
"""
Run a timeline that crossfades preview images. This method is a callback
that is called every 4 seconds.
"""
if len(self.preview_textures)<=1:
self.preview_textures[0].set_opacity(255)
elif self.config.show_effects:
#Fade out timeline
fade_out = clutter.Timeline(500)
alpha_out = clutter.Alpha(fade_out, clutter.EASE_IN_OUT_SINE)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_behaviour.apply(self.preview_textures[0])
# Fade in timeline
fade_in = clutter.Timeline(500)
alpha_in = clutter.Alpha(fade_in, clutter.EASE_IN_OUT_SINE)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(self.preview_textures[1])
# Start animation
fade_out.start()
fade_in.start()
else:
self.preview_textures[0].set_opacity(0)
self.preview_textures[1].set_opacity(255)
# Scroll images
self.preview_textures = self.preview_textures[1:] + \
self.preview_textures[:1]
return True
def _create_list_indicator(self):
'''Create list indicator for albums list.'''
self.li = ListIndicator(0.77, 0.9, 0.2, 0.045, ListIndicator.VERTICAL)
albums = self.image_library.get_albums()
albums_list = [[album.get_title(), str(album.get_number_of_images()),
album] for album in albums if album.get_number_of_images() != 0]
self.li.set_maximum(len(albums_list))
self.add(self.li)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
album = self.menu.selected_userdata
kwargs = { 'title' : album.get_title(), 'images' : album.get_images() }
self.callback("photographs", kwargs)
def handle_user_event(self, event):
'''Handle screen specific user events unless the library is empty.'''
if self.image_library.get_number_of_albums() == 0:
return
else:
Screen.handle_user_event(self, event)
def _display_selected_album(self, event=None):
'''Update of the list indicator'''
self.li.set_current(self.menu.selected_index + 1)
# 500ms timeout before preview is updated (fast scrolling)
if self.timeout is not None:
gobject.source_remove(self.timeout)
self.timeout = gobject.timeout_add(500, self._update_album_preview,
self.menu.selected_userdata)
class TvEpisodes(Screen):
'''Screen contains list of all episodes of one specific season.'''
def __init__(self, media_player, move_to_new_screen_callback, episodes,
tv_series):
Screen.__init__(self, 'TvEpisodes', move_to_new_screen_callback)
self.episodes = episodes
self.media_player = media_player
self.theme = self.config.theme
self.tv_series = tv_series
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, self.tv_series.title)
self.add(screen_title)
self.scroll_area = None
self.title = None
self.thumb = None
self.menu = self._create_episode_menu()
self.add(self.menu)
self._create_episode_info_box()
#List indicator
self.li = ListIndicator(0.8, 0.9, 0.2, 0.045, ListIndicator.VERTICAL)
self.li.set_maximum(len(self.episodes))
self.add(self.li)
self.menu.connect("moved", self._update_episode_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_menu_activated)
def _create_episode_menu(self):
"""Create a list of available seasons."""
menu = TextMenu(0.4978, 0.1563, 0.4393, 0.0781)
episodes_list = [[_("%(num)d. %(title)s") % \
{'num': episode.number, 'title': episode.title},
None, episode] for episode in self.episodes]
menu.async_add(episodes_list)
menu.active = True
return menu
def _create_thumbnail_texture(self):
"""Create a thumbnail texture. This is called as menu is scrolled."""
if self.thumb:
self.thumb.hide()
# Thumbnail. Use cover art if thumbnail doesn't exist
thumbnail = self.menu.selected_userdata.thumbnail_url
if(thumbnail is not None):
pixbuf = gtk.gdk.pixbuf_new_from_file(thumbnail)
thumb_width = 0.2928
thumb_height = 0.2799
thumb_x = 0.05
thumb_y = 0.2
else:
thumb_width = 0.1098
thumb_height = 0.2799
thumb_x = 0.20
thumb_y = 0.15
if(self.tv_series.has_cover_art()):
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.tv_series.cover_art_url)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.theme.getImage("default_movie_art"))
self.thumb = EyeCandyTexture(thumb_x, thumb_y, thumb_width,
thumb_height, pixbuf)
self.add(self.thumb)
def _create_episode_info_box(self):
"""
Create a texture that is displayed next to track list. This texture
displays album cover art.
"""
self._create_thumbnail_texture()
# Title
self.title = Label(0.04, "title", 0.05, 0.55,
self.menu.selected_userdata.title, font_weight="bold")
self.title.set_ellipsize(pango.ELLIPSIZE_END)
self.title.set_line_wrap(False)
self.title.width = 0.4
self.add(self.title)
# Plot
plot = Label(0.029, "subtitle", 0, 0, self.menu.selected_userdata.plot)
plot.width = 0.4
self.scroll_area = ScrollArea(0.05, 0.63, 0.4, 0.15, plot)
self.scroll_area.connect("activated", self._on_scroll_area_activated)
self.add(self.scroll_area)
def _update_episode_info(self, event=None):
'''Update information from this episode.'''
self.li.set_current(self.menu.selected_index + 1)
self._create_thumbnail_texture()
self.title.set_text(self.menu.selected_userdata.title)
self.title.width = 0.4
plot = Label(0.029, "subtitle", 0, 0, self.menu.selected_userdata.plot)
plot.width = 0.4
self.scroll_area.set_content(plot)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
if self.menu.active:
self.menu.up()
else:
self.scroll_area.scroll_up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
if self.menu.active:
self.menu.down()
else:
self.scroll_area.scroll_down()
def _handle_left(self):
'''Handle UserEvent.NAVIGATE_LEFT.'''
self.menu.active = False
self.scroll_area.active = True
def _handle_right(self):
'''Handle UserEvent.NAVIGATE_RIGHT.'''
self.menu.active = True
self.scroll_area.active = False
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
episode = self.menu.selected_userdata
self.media_player.set_media(episode)
self.media_player.play()
self.callback("video_osd")
def _on_menu_activated(self, event=None):
'''Handle menu activation.'''
self.scroll_area.active = False
def _on_scroll_area_activated(self, event=None):
'''Handle scroll_area activation.'''
self.menu.active = False
class AlbumsTab(Tab):
'''Tab to show album listings'''
def __init__(self,
albums,
move_to_new_screen_callback,
name="albums",
tab_title=_("Albums")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.6, 0.1)
self.throbber.show()
self.add(self.throbber)
if len(albums) < 4:
x_percent = 0.2928
visible_rows = 1
visible_cols = 3
elif len(albums) < 13:
x_percent = 0.1464
visible_rows = 2
visible_cols = 6
else:
x_percent = 0.1098
visible_rows = 3
visible_cols = 8
# Create albums menu
self.menu = ImageMenu(0.07, 0.16, x_percent, self.y_for_x(x_percent))
self.menu.visible_rows = visible_rows
self.menu.visible_cols = visible_cols
self.menu.items_per_col = self.menu.visible_rows
self.add(self.menu)
albums_list = [[album.album_art_url, album] for album in albums]
self.menu.async_add_albums(albums_list)
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.HORIZONTAL)
self.li.set_maximum(len(albums))
self.li.show()
self.add(self.li)
# Create album information (displays current menuitem information)
self.album_title = Label(0.045, "title", 0.22, 0.79, "")
self.album_title.set_ellipsize(pango.ELLIPSIZE_END)
self.album_title.set_line_wrap(False)
self.album_title.width = 0.366
self.add(self.album_title)
self.album_artist = Label(0.037, "subtitle", 0.22, 0.86, "")
self.album_artist.set_ellipsize(pango.ELLIPSIZE_END)
self.album_artist.set_line_wrap(False)
self.album_artist.width = 0.366
self.add(self.album_artist)
self.album_tracks = Label(0.037, "subtitle", 0.22, 0.91, "")
self.add(self.album_tracks)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_album_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Albums tab will always be created from an existing artist with at
least one album.'''
return True
def _update_album_info(self, event=None):
'''Update the album information labels.'''
if self.active:
album = self.menu.selected_userdata
self.album_title.set_text(album.title)
self.album_artist.set_text(album.artist)
self.album_tracks.set_text(_("%(total)s tracks") % \
{'total': len(album.tracks)})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.album_title.set_text("")
self.album_artist.set_text("")
self.album_tracks.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
album = self.menu.selected_userdata
kwargs = {'album': album}
self.callback("album", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_album_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_album_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class MoviesTab(Tab):
"""
Tab can be used as part of the TabGroup
Tab is a very simple container that contains all the widgets and logic
of the tab page.
"""
def __init__(self,
video_library,
move_to_new_screen_callback,
name="movies",
tab_title=_("Movies")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.video_library = video_library
self.theme = self.config.theme
self.list_indicator = None
self.movie_info = None
self.menu = None
self.movie_plot = None
self.movie_title = None
if self.video_library.get_number_of_movies() == 0:
self._create_empty_library_notice()
else:
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = self._create_menu()
self.add(self.menu)
self.menu.connect("moved", self._update_movie_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
def can_activate(self):
"""
Allow if we have some movies indexed.
"""
if self.video_library.get_number_of_movies() == 0:
return False
else:
return True
def _create_empty_library_notice(self):
"""
Create an information box that is displayed if there are no indexed
movies.
"""
message = _(
"There are no indexed movies in Entertainer media library. To "
"add movies, click on 'content' button on toolbar and open "
"'videos' tab. Now click on 'add' button and select some folders "
"which contains movie files.")
Tab.show_empty_tab_notice(self, _("No movies available!"), message)
def _create_menu(self):
"""
Create a view that is displayed when there is indexed movies in
the video library.
"""
#Create movie menu
menu = ImageMenu(0.06, 0.18, 0.12, 0.25)
menu.items_per_col = 2
menu.visible_rows = 2
menu.visible_cols = 7
movies = self.video_library.get_movies()
movies_list = [[movie.cover_art_url, movie] for movie in movies]
menu.async_add_videos(movies_list)
# Create list indicator
self.list_indicator = ListIndicator(0.75, 0.76, 0.2, 0.045,
ListIndicator.HORIZONTAL)
self.list_indicator.set_maximum(len(movies))
self.show()
self.add(self.list_indicator)
# Create information labels
self.movie_title = Label(0.042,
"title",
0.2,
0.75,
"",
font_weight="bold")
self.movie_title.set_ellipsize(pango.ELLIPSIZE_END)
self.movie_title.set_line_wrap(False)
self.movie_title.width = 0.5
self.add(self.movie_title)
self.movie_info = Label(0.034, "subtitle", 0.2, 0.8, "")
self.movie_info.set_ellipsize(pango.ELLIPSIZE_END)
self.movie_info.set_line_wrap(False)
self.movie_info.width = 0.5
self.add(self.movie_info)
self.movie_plot = Label(0.025, "subtitle", 0.2, 0.85, "")
self.movie_plot.width = 0.7
self.add(self.movie_plot)
return menu
def _update_movie_info(self, event=None):
'''Update the movie information labels.'''
if self.active:
movie = self.menu.selected_userdata
genres = movie.genres
if len(genres) > 1:
genre = genres[0] + "/" + genres[1]
else:
genre = genres[0]
self.movie_title.set_text(_("%(title)s (%(year)s)") % \
{'title': movie.title, 'year': movie.year})
self.movie_info.set_text(_("%(min)d min, (%(genre)s)") % \
{'min': movie.runtime, 'genre': genre})
self.movie_plot.set_text(movie.short_plot)
self.list_indicator.show()
self.list_indicator.set_current(self.menu.selected_index + 1)
else:
self.movie_title.set_text("")
self.movie_info.set_text("")
self.movie_plot.set_text("")
self.list_indicator.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
movie = self.menu.selected_userdata
kwargs = {'movie': movie}
self.callback("movie", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_movie_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_movie_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class MoviesTab(Tab):
"""
Tab can be used as part of the TabGroup
Tab is a very simple container that contains all the widgets and logic
of the tab page.
"""
def __init__(self, video_library, move_to_new_screen_callback,
name="movies", tab_title=_("Movies")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.video_library = video_library
self.theme = self.config.theme
self.list_indicator = None
self.movie_info = None
self.menu = None
self.movie_plot = None
self.movie_title = None
if self.video_library.get_number_of_movies() == 0:
self._create_empty_library_notice()
else:
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = self._create_menu()
self.add(self.menu)
self.menu.connect("moved", self._update_movie_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
def can_activate(self):
"""
Allow if we have some movies indexed.
"""
if self.video_library.get_number_of_movies() == 0:
return False
else:
return True
def _create_empty_library_notice(self):
"""
Create an information box that is displayed if there are no indexed
movies.
"""
message = _(
"There are no indexed movies in Entertainer media library. To "
"add movies, click on 'content' button on toolbar and open "
"'videos' tab. Now click on 'add' button and select some folders "
"which contains movie files.")
Tab.show_empty_tab_notice(self, _("No movies available!"), message)
def _create_menu(self):
"""
Create a view that is displayed when there is indexed movies in
the video library.
"""
#Create movie menu
menu = ImageMenu(0.06, 0.18, 0.12, 0.25)
menu.items_per_col = 2
menu.visible_rows = 2
menu.visible_cols = 7
movies = self.video_library.get_movies()
movies_list = [[movie.cover_art_url, movie] for movie in movies]
menu.async_add_videos(movies_list)
# Create list indicator
self.list_indicator = ListIndicator(0.75, 0.76, 0.2, 0.045,
ListIndicator.HORIZONTAL)
self.list_indicator.set_maximum(len(movies))
self.show()
self.add(self.list_indicator)
# Create information labels
self.movie_title = Label(0.042, "title", 0.2, 0.75, "",
font_weight="bold")
self.movie_title.set_ellipsize(pango.ELLIPSIZE_END)
self.movie_title.set_line_wrap(False)
self.movie_title.width = 0.5
self.add(self.movie_title)
self.movie_info = Label(0.034, "subtitle", 0.2, 0.8, "")
self.movie_info.set_ellipsize(pango.ELLIPSIZE_END)
self.movie_info.set_line_wrap(False)
self.movie_info.width = 0.5
self.add(self.movie_info)
self.movie_plot = Label(0.025, "subtitle", 0.2, 0.85, "")
self.movie_plot.width = 0.7
self.add(self.movie_plot)
return menu
def _update_movie_info(self, event=None):
'''Update the movie information labels.'''
if self.active:
movie = self.menu.selected_userdata
genres = movie.genres
if len(genres) > 1:
genre = genres[0] + "/" + genres[1]
else:
genre = genres[0]
self.movie_title.set_text(_("%(title)s (%(year)s)") % \
{'title': movie.title, 'year': movie.year})
self.movie_info.set_text(_("%(min)d min, (%(genre)s)") % \
{'min': movie.runtime, 'genre': genre})
self.movie_plot.set_text(movie.short_plot)
self.list_indicator.show()
self.list_indicator.set_current(self.menu.selected_index + 1)
else:
self.movie_title.set_text("")
self.movie_info.set_text("")
self.movie_plot.set_text("")
self.list_indicator.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
movie = self.menu.selected_userdata
kwargs = { 'movie' : movie }
self.callback("movie", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_movie_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_movie_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class TvEpisodes(Screen):
'''Screen contains list of all episodes of one specific season.'''
def __init__(self, media_player, move_to_new_screen_callback, episodes,
tv_series):
Screen.__init__(self, 'TvEpisodes', move_to_new_screen_callback)
self.episodes = episodes
self.media_player = media_player
self.theme = self.config.theme
self.tv_series = tv_series
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87,
self.tv_series.title)
self.add(screen_title)
self.scroll_area = None
self.title = None
self.thumb = None
self.menu = self._create_episode_menu()
self.add(self.menu)
self._create_episode_info_box()
#List indicator
self.li = ListIndicator(0.8, 0.9, 0.2, 0.045, ListIndicator.VERTICAL)
self.li.set_maximum(len(self.episodes))
self.add(self.li)
self.menu.connect("moved", self._update_episode_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_menu_activated)
def _create_episode_menu(self):
"""Create a list of available seasons."""
menu = TextMenu(0.4978, 0.1563, 0.4393, 0.0781)
episodes_list = [[_("%(num)d. %(title)s") % \
{'num': episode.number, 'title': episode.title},
None, episode] for episode in self.episodes]
menu.async_add(episodes_list)
menu.active = True
return menu
def _create_thumbnail_texture(self):
"""Create a thumbnail texture. This is called as menu is scrolled."""
if self.thumb:
self.thumb.hide()
# Thumbnail. Use cover art if thumbnail doesn't exist
thumbnail = self.menu.selected_userdata.thumbnail_url
if (thumbnail is not None):
pixbuf = gtk.gdk.pixbuf_new_from_file(thumbnail)
thumb_width = 0.2928
thumb_height = 0.2799
thumb_x = 0.05
thumb_y = 0.2
else:
thumb_width = 0.1098
thumb_height = 0.2799
thumb_x = 0.20
thumb_y = 0.15
if (self.tv_series.has_cover_art()):
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.tv_series.cover_art_url)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.theme.getImage("default_movie_art"))
self.thumb = EyeCandyTexture(thumb_x, thumb_y, thumb_width,
thumb_height, pixbuf)
self.add(self.thumb)
def _create_episode_info_box(self):
"""
Create a texture that is displayed next to track list. This texture
displays album cover art.
"""
self._create_thumbnail_texture()
# Title
self.title = Label(0.04,
"title",
0.05,
0.55,
self.menu.selected_userdata.title,
font_weight="bold")
self.title.set_ellipsize(pango.ELLIPSIZE_END)
self.title.set_line_wrap(False)
self.title.width = 0.4
self.add(self.title)
# Plot
plot = Label(0.029, "subtitle", 0, 0, self.menu.selected_userdata.plot)
plot.width = 0.4
self.scroll_area = ScrollArea(0.05, 0.63, 0.4, 0.15, plot)
self.scroll_area.connect("activated", self._on_scroll_area_activated)
self.add(self.scroll_area)
def _update_episode_info(self, event=None):
'''Update information from this episode.'''
self.li.set_current(self.menu.selected_index + 1)
self._create_thumbnail_texture()
self.title.set_text(self.menu.selected_userdata.title)
self.title.width = 0.4
plot = Label(0.029, "subtitle", 0, 0, self.menu.selected_userdata.plot)
plot.width = 0.4
self.scroll_area.set_content(plot)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
if self.menu.active:
self.menu.up()
else:
self.scroll_area.scroll_up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
if self.menu.active:
self.menu.down()
else:
self.scroll_area.scroll_down()
def _handle_left(self):
'''Handle UserEvent.NAVIGATE_LEFT.'''
self.menu.active = False
self.scroll_area.active = True
def _handle_right(self):
'''Handle UserEvent.NAVIGATE_RIGHT.'''
self.menu.active = True
self.scroll_area.active = False
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
episode = self.menu.selected_userdata
self.media_player.set_media(episode)
self.media_player.play()
self.callback("video_osd")
def _on_menu_activated(self, event=None):
'''Handle menu activation.'''
self.scroll_area.active = False
def _on_scroll_area_activated(self, event=None):
'''Handle scroll_area activation.'''
self.menu.active = False
class TracksTab(Tab):
'''Tab for the artist screen to show track listings'''
def __init__(self, tracks, move_to_new_screen_callback, name="tracks",
tab_title=_("Tracks")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = TextMenu(0.0586, 0.2083, 0.2928, 0.0781)
self.menu.items_per_row = 3
self.menu.visible_rows = 7
self.menu.visible_cols = 3
self.menu.active = False
self.menu.cursor = None
self.add(self.menu)
tracks_list = [[track.title, None, track] for track in tracks]
self.menu.async_add_artists(tracks_list)
self.track_title = Label(0.045, "title", 0.22, 0.79, "")
self.track_title.set_ellipsize(pango.ELLIPSIZE_END)
self.track_title.set_line_wrap(False)
self.track_title.width = 0.366
self.add(self.track_title)
self.track_number = Label(0.037, "subtitle", 0.22, 0.86, "")
self.track_number.set_ellipsize(pango.ELLIPSIZE_END)
self.track_number.set_line_wrap(False)
self.track_number.width = 0.366
self.add(self.track_number)
self.track_length = Label(0.037, "subtitle", 0.22, 0.91, "")
self.add(self.track_length)
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.VERTICAL)
self.li.set_maximum(len(tracks))
self.li.show()
self.add(self.li)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_track_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Tracks tab will always be created from an existing artist with at
least one track.'''
return True
def _update_track_info(self, event=None):
'''Update the track information labels'''
if self.active:
track = self.menu.selected_userdata
self.track_title.set_text(track.title)
self.track_length.set_text(track.length_string)
self.track_number.set_text(_("Track %(track)d from %(album)s") % \
{'track': track.number, 'album': track.album.title})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.track_title.set_text("")
self.track_length.set_text("")
self.track_number.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
track = self.menu.selected_userdata
kwargs = { 'track' : track }
self.callback("audio_play", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_track_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_track_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class TvSeries(Screen):
'''Screen that contains all seasons of one TV series.'''
def __init__(self, video_library, move_to_new_screen_callback, tv_series):
Screen.__init__(self, 'TvSeries', move_to_new_screen_callback)
self.theme = self.config.theme
self.tv_series = tv_series
self.video_library = video_library
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87,
self.tv_series.title)
self.add(screen_title)
self.art = None
self.menu = None
self._create_series_cover_texture()
self.menu = self._create_season_menu()
self.add(self.menu)
#List indicator
self.li = ListIndicator(0.8, 0.9, 0.2, 0.045, ListIndicator.VERTICAL)
self.li.set_maximum(len(self.tv_series.seasons))
self.add(self.li)
self.menu.connect("moved", self._update_season_info)
self.menu.connect("selected", self._handle_select)
def _create_season_menu(self):
"""
Create a list of available seasons
"""
menu = TextMenu(0.4978, 0.1563, 0.4393, 0.0781)
seasons = self.tv_series.seasons
seasons.sort()
seasons_list = [[_("Season %(num)s") % {'num': season}, None, season] \
for season in seasons]
menu.async_add(seasons_list)
menu.active = True
return menu
def _create_series_cover_texture(self):
"""
Create a texture that is displayed next to track list. This texture
displays album cover art.
"""
if (self.tv_series.has_cover_art()):
pixbuf = gtk.gdk.pixbuf_new_from_file(self.tv_series.cover_art_url)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file(
self.theme.getImage("default_movie_art"))
self.art = EyeCandyTexture(0.16, 0.15, 0.2196, 0.5859, pixbuf)
self.add(self.art)
def _update_season_info(self, event=None):
'''Update the ListIndicator.'''
self.li.set_current(self.menu.selected_index + 1)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
season = self.menu.selected_userdata
episodes = self.video_library.get_episodes_from_season(
self.tv_series.title, season)
kwargs = {'episodes': episodes, 'tv_series': self.tv_series}
self.callback("tv_episodes", kwargs)
class PhotoAlbums(Screen):
'''Screen contains a list of photo albums and album previews.'''
def __init__(self, image_library, move_to_new_screen_callback):
Screen.__init__(self, 'PhotoAlbums', move_to_new_screen_callback)
self.theme = self.config.theme
self.image_library = image_library
self.timeout = None # Timeout key (this is used when scrolling menu)
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, _("Photographs"))
self.add(screen_title)
if self.image_library.get_number_of_albums() == 0:
self._create_no_photos_information()
else:
# Album preview group
self.preview = clutter.Group()
self.preview.set_position(self.get_abs_x(0.07),
self.get_abs_y(0.1953))
self.preview.show()
self.add(self.preview)
self.preview_fade = None
self.menu = None
self.in_behaviour = None
self.out_behaviour = None
self.in_opacity = None
self.out_opacity = None
self.preview_textures = None
self.menu = self._create_album_menu()
self.add(self.menu)
self.li = None
self._create_list_indicator()
self._update_album_preview(self.menu.selected_userdata)
self.menu.connect('selected', self._handle_select)
self.menu.connect('moved', self._display_selected_album)
def _create_no_photos_information(self):
"""
Create textures and labels for information screen. This is displayed
instead of album list if there are no photos available and it helps
users to add new photographs to the system.
"""
# Create warning icon
warning_icon = Texture(self.theme.getImage("warning_icon"), 0.28, 0.27)
self.add(warning_icon)
# Create warning title
info_title = Label(0.0625, "title", 0.3367, 0.2709,
_("No photographs available!"))
self.add(info_title)
# Create warning help text
message = _(
"There are no indexed photographs in the Entertainer media "
"library. To add photographs, start the Content management tool "
"and open the 'Images' tab. Now click on the 'Add' button and "
"select some folders which contain image files.")
info = Label(0.0417, "menuitem_inactive", 0.2804, 0.45, message)
info.set_size(0.5, 0.5859)
self.add(info)
def _create_album_menu(self):
"""
Create ImageAlbum-menu. This menu contains list of albums. It also
displays number of photographs per album.
"""
menu = TextMenu(0.5271, 0.3385, 0.4393, 0.0781)
menu.visible_rows = 7
albums = self.image_library.get_albums()
albums_list = [[
album.get_title(),
str(album.get_number_of_images()), album
] for album in albums if album.get_number_of_images() != 0]
menu.async_add(albums_list)
menu.active = True
return menu
def _create_album_preview(self, album):
"""
Create a clutter.Group that contains album preview actors.
"""
group = clutter.Group()
group.set_position(self.get_abs_x(0.07), self.get_abs_y(0.1953))
# Preview images
images = album.get_preview_images(3)
self.preview_textures = []
max_w = 0.4026
max_h = 0.5599
abs_max_w = self.get_abs_x(max_w)
abs_max_h = self.get_abs_y(max_h)
for image in images:
pix_buffer = gtk.gdk.pixbuf_new_from_file(
image.get_thumbnail_url())
ratio = float(pix_buffer.get_width())
ratio /= float(pix_buffer.get_height())
# Resize and center preview texture
if ratio > 1:
texture = EyeCandyTexture(0.0, 0.0, max_w, max_h / ratio,
pix_buffer)
new_y = int((abs_max_h - abs_max_h / ratio) / 2.0)
texture.set_position(0, new_y)
else:
texture = EyeCandyTexture(0.0, 0.0, max_w * ratio, max_h,
pix_buffer)
new_x = int((abs_max_w - abs_max_w * ratio) / 2.0)
texture.set_position(new_x, 0)
texture.set_rotation(clutter.Y_AXIS, 25, 0, 0, 0)
texture.set_opacity(0)
self.preview_textures.append(texture)
group.add(texture)
self.preview_textures[0].set_opacity(255)
title = Label(0.03646,
"title",
0.4649,
0,
album.get_title(),
font_weight="bold")
title.width = 0.4758
title.set_ellipsize(pango.ELLIPSIZE_END)
group.add(title)
desc = Label(0.026, "subtitle", 0.4649, 0.0521,
album.get_description())
desc.width = 0.4758
group.add(desc)
return group
def _update_album_preview(self, album):
"""
Update album preview. Display preview images from the current album.
@param album: Currently selected album in menu
"""
if self.preview_fade is not None:
gobject.source_remove(self.preview_fade)
new = self._create_album_preview(album)
if self.config.show_effects:
old = self.preview
new.set_opacity(0)
self.preview = new
self.add(self.preview)
#Fade out timeline
timeline1 = clutter.Timeline(500)
alpha1 = clutter.Alpha(timeline1, clutter.EASE_IN_OUT_SINE)
self.out_opacity = clutter.BehaviourOpacity(255, 0, alpha1)
self.out_opacity.apply(old)
timeline1.connect('completed', self._change_preview_timeline_ended,
old)
# Fade in timeline
timeline2 = clutter.Timeline(500)
alpha2 = clutter.Alpha(timeline2, clutter.EASE_IN_OUT_SINE)
self.in_opacity = clutter.BehaviourOpacity(0, 255, alpha2)
self.in_opacity.apply(new)
# Start animation
timeline1.start()
timeline2.start()
else:
# Do it without animation
if self.preview is not None:
self.remove(self.preview)
self.preview = new
self.add(self.preview)
if len(self.preview_textures) > 1:
self.preview_fade = gobject.timeout_add(6000,
self._change_preview_image)
return False # see gobject.timeout_add() doc
def _change_preview_timeline_ended(self, timeline, group):
"""
This is a callback function for preview updates. This is called when
transition effect is finished. This method removes old preview group
from the stage.
"""
self.remove(group)
def _change_preview_image(self):
"""
Run a timeline that crossfades preview images. This method is a callback
that is called every 4 seconds.
"""
if len(self.preview_textures) <= 1:
self.preview_textures[0].set_opacity(255)
elif self.config.show_effects:
#Fade out timeline
fade_out = clutter.Timeline(500)
alpha_out = clutter.Alpha(fade_out, clutter.EASE_IN_OUT_SINE)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_behaviour.apply(self.preview_textures[0])
# Fade in timeline
fade_in = clutter.Timeline(500)
alpha_in = clutter.Alpha(fade_in, clutter.EASE_IN_OUT_SINE)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(self.preview_textures[1])
# Start animation
fade_out.start()
fade_in.start()
else:
self.preview_textures[0].set_opacity(0)
self.preview_textures[1].set_opacity(255)
# Scroll images
self.preview_textures = self.preview_textures[1:] + \
self.preview_textures[:1]
return True
def _create_list_indicator(self):
'''Create list indicator for albums list.'''
self.li = ListIndicator(0.77, 0.9, 0.2, 0.045, ListIndicator.VERTICAL)
albums = self.image_library.get_albums()
albums_list = [[
album.get_title(),
str(album.get_number_of_images()), album
] for album in albums if album.get_number_of_images() != 0]
self.li.set_maximum(len(albums_list))
self.add(self.li)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
album = self.menu.selected_userdata
kwargs = {'title': album.get_title(), 'images': album.get_images()}
self.callback("photographs", kwargs)
def handle_user_event(self, event):
'''Handle screen specific user events unless the library is empty.'''
if self.image_library.get_number_of_albums() == 0:
return
else:
Screen.handle_user_event(self, event)
def _display_selected_album(self, event=None):
'''Update of the list indicator'''
self.li.set_current(self.menu.selected_index + 1)
# 500ms timeout before preview is updated (fast scrolling)
if self.timeout is not None:
gobject.source_remove(self.timeout)
self.timeout = gobject.timeout_add(500, self._update_album_preview,
self.menu.selected_userdata)
class ScrollArea(Base, clutter.Group):
"""Wrapper of a clutter Group that allows for scrolling. ScrollArea
modifies the width of the content and it assumes that the content uses
percent modification (read: not default clutter objects)."""
__gsignals__ = {
'activated' : ( gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, () ),
'moving' : ( gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, () ),
}
MODE_SELECTION = 0
MODE_MOTION = 1
MODE_STOP = 2
STEP_SIZE_PERCENT = 0.04
def __init__(self, x, y, width, height, content):
Base.__init__(self)
clutter.Group.__init__(self)
self._motion_buffer = MotionBuffer()
self._offset = 0 # Drives the content motion.
self._offset_max = 0 # Maximum value of offset (equal on bottom).
self._old_offset = 0 # Stores the old value of offset on motions.
self._motion_handler = 0
self._active = None
self.step_size = self.get_abs_y(self.STEP_SIZE_PERCENT)
# Allowed area for the widget's scrolling content.
self.area_width = self.get_abs_x(width)
self.area_height = self.get_abs_y(height)
# Create content position indicator
self.indicator = ListIndicator(3 * width / 4, height, 0.2, 0.045,
ListIndicator.VERTICAL)
self.indicator.hide_position()
self.indicator.set_maximum(2)
self.add(self.indicator)
# A clipped Group to receive the content.
self._fixed_group = clutter.Group()
self._fixed_group.set_clip(0, 0, self.area_width, self.area_height)
self.add(self._fixed_group)
self.content = None
self._motion_timeline = clutter.Timeline(500)
self._motion_timeline.connect('completed',
self._motion_timeline_callback, None)
self._motion_alpha = clutter.Alpha(self._motion_timeline,
clutter.EASE_OUT_SINE)
self._motion_behaviour = LoopedPathBehaviour(self._motion_alpha)
self.set_content(content)
self.active = None
# Preparation to pointer events handling.
self.set_reactive(True)
self.connect('button-press-event', self._on_button_press_event)
self.connect('button-release-event', self._on_button_release_event)
self.connect('scroll-event', self._on_scroll_event)
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
@property
def on_top(self):
"""True if we're on top."""
return self._offset == 0
@property
def on_bottom(self):
"""True if we're on bottom."""
return self._offset == self._offset_max
def _get_active(self):
"""Active property getter."""
return self._active
def _set_active(self, boolean):
"""Active property setter."""
if self._active == boolean:
return
self._active = boolean
if boolean:
# Show indicator if there is need for scrolling.
if self._offset_max >= 0:
self.indicator.show()
self.set_opacity(255)
self.emit('activated')
else:
self.indicator.hide()
self.set_opacity(128)
active = property(_get_active, _set_active)
def _get_offset(self):
"""Get current offset value."""
return self._offset
def _set_offset(self, integer):
"""Set current offset value."""
if self._offset == integer:
return
self._offset = integer
if self._offset < 0:
self._offset = 0
elif self._offset > self._offset_max:
self._offset = self._offset_max
self.content.set_position(0, - self._offset)
# Indicator updates.
if self.on_top:
self.indicator.set_current(1)
elif self.on_bottom:
self.indicator.set_current(2)
offset = property(_get_offset, _set_offset)
def set_content(self, content):
"""Set content into scroll area."""
if self.content is not None:
self._fixed_group.remove(self.content)
self._motion_behaviour.remove(self.content)
self.content = content
self._fixed_group.add(content)
self._offset_max = self.content.get_height() - self.area_height
self._motion_behaviour.apply(self.content)
def stop_animation(self):
"""Stops the timeline driving animation."""
self._motion_timeline.stop()
def scroll_to_top(self):
"""Scroll content back to top."""
self.offset = 0
def scroll_to_bottom(self):
"""Scroll content as much as possible."""
self.offset = self._offset_max
def scroll_up(self):
"""Scroll up by one step size."""
self.offset -= self.step_size
def scroll_down(self):
"""Scroll down by one step size."""
self.offset += self.step_size
def scroll_page_up(self):
"""Scroll up by one page. Page is a scroll area height."""
self.offset -= self.area_height
def scroll_page_down(self):
self.offset += self.area_height
def _update_motion_behaviour(self, target):
"""Preparation of looped behaviour applied to the content."""
self._motion_behaviour.start_knot = (0.0, -self.offset)
self._motion_behaviour.end_knot = (0.0, -target)
self._motion_behaviour.start_index = 0.0
# Need to set the end index to 0.9999. Indeed the LoopedPathBehaviour
# uses an index in [0, 1[. So index = 1 is equivalent to index = 0, the
# Actor will the be placed on the start_knot.
self._motion_behaviour.end_index = 0.9999
def _on_button_press_event(self, actor, event):
"""button-press-event handler."""
clutter.grab_pointer(self)
if not self.handler_is_connected(self._motion_handler):
self._motion_handler = self.connect('motion-event',
self._on_motion_event)
if self._motion_timeline.is_playing():
# A click with an animation pending should stop the animation.
self._motion_timeline.stop()
# Go to MODE_STOP to handle correctly next button-release event.
self._event_mode = self.MODE_STOP
self.offset = -self.content.get_y()
else:
# No animation pending so we're going to do nothing or to move
# all the content.
self._old_offset = self.offset
self._motion_buffer.start(event)
self._event_mode = self.MODE_SELECTION
return False
def _on_button_release_event(self, actor, event):
"""button-release-event handler."""
clutter.ungrab_pointer()
if self.handler_is_connected(self._motion_handler):
self.disconnect_by_func(self._on_motion_event)
self._motion_buffer.compute_from_last_motion_event(event)
if not self.active:
self.active = True
return
if self._event_mode == self.MODE_MOTION:
speed = self._motion_buffer.speed_y_from_last_motion_event
# Calculation of the new target according to vertical speed.
target = self.offset - speed * 200
if target < 0:
target = 0
elif target > self._offset_max:
target = self._offset_max
self._update_motion_behaviour(target)
self._motion_timeline.start()
return False
def _on_motion_event(self, actor, event):
"""motion-event handler."""
# Minimum distance we to move before we consider a motion has started.
motion_threshold = 10
self._motion_buffer.compute_from_start(event)
if self._motion_buffer.distance_from_start > motion_threshold:
self._motion_buffer.take_new_motion_event(event)
self._event_mode = self.MODE_MOTION
self.offset = self._old_offset - self._motion_buffer.dy_from_start
return False
def _on_scroll_event(self, actor, event):
"""scroll-event handler (mouse's wheel)."""
if not self.active:
self.active = True
return
# Do not scroll if there is no need.
if self._offset_max < 0:
return False
if event.direction == clutter.SCROLL_DOWN:
self.scroll_down()
else:
self.scroll_up()
self.emit('moving')
return False
def _motion_timeline_callback(self, timeline, screen):
"""Code executed when the animation is finished."""
self.offset = -self.content.get_y()
class Photographs(Screen):
'''Screen displays a grid of selectable photograph thumbnails.'''
def __init__(self, move_to_new_screen_callback, title, images):
Screen.__init__(self, 'Photographs', move_to_new_screen_callback)
self.images = images
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, title)
self.add(screen_title)
# Image Title (over album list)
self.image_title = Label(0.04167, "title", 0.0586, 0.7943, " ")
self.image_title.set_ellipsize(pango.ELLIPSIZE_END)
self.add(self.image_title)
self.image_desc = Label(0.04167, "subtitle", 0.0586, 0.9115, " ")
self.image_desc.set_line_wrap(True)
self.image_desc.set_ellipsize(pango.ELLIPSIZE_END)
self.add(self.image_desc)
# Display throbber animation while loading photographs
self.throbber = LoadingAnimation(0.9, 0.9)
self.throbber.show()
self.add(self.throbber)
# List indicator
self.li = None
self._create_list_indicator()
# Create photomenu
self.menu = ImageMenu(0.03, 0.08, 0.12, self.y_for_x(0.12))
self.menu.items_per_col = 3
self.menu.visible_rows = 3
self.menu.visible_cols = 8
self.menu.active = True
self.add(self.menu)
photos = self.images
photos_list = [[Texture(photo.get_thumbnail_url()), photo] \
for photo in photos]
self.menu.async_add(photos_list)
self.menu.connect("selected", self._handle_select)
self.menu.connect('moved', self._update_image_info)
self.menu.connect("filled", self._on_menu_filled)
def _update_image_info(self, event=None):
"""Update image information box."""
image = self.images[self.menu.selected_index]
name = image.get_title()
desc = image.get_description()
self.image_title.set_text(name)
self.image_title.set_size(0.366, 0.04167)
self.image_desc.set_text(desc)
self.image_desc.set_size(0.366, 0.0911)
self.li.set_current(self.menu.selected_index + 1)
def _create_list_indicator(self):
'''Create list indicator for albums list.'''
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.HORIZONTAL)
self.li.set_maximum(len(self.images))
self.add(self.li)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_left(self):
'''Handle UserEvent.NAVIGATE_LEFT.'''
self.menu.left()
def _handle_right(self):
'''Handle UserEvent.NAVIGATE_RIGHT.'''
self.menu.right()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
index = self.menu.selected_index
kwargs = {'current_photo_index' : index, 'images' : self.images}
self.callback("photo", kwargs)
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class AlbumsTab(Tab):
'''Tab to show album listings'''
def __init__(self, albums, move_to_new_screen_callback, name="albums",
tab_title=_("Albums")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.6, 0.1)
self.throbber.show()
self.add(self.throbber)
if len(albums) < 4:
x_percent = 0.2928
visible_rows = 1
visible_cols = 3
elif len(albums) < 13:
x_percent = 0.1464
visible_rows = 2
visible_cols = 6
else:
x_percent = 0.1098
visible_rows = 3
visible_cols = 8
# Create albums menu
self.menu = ImageMenu(0.07, 0.16, x_percent, self.y_for_x(x_percent))
self.menu.visible_rows = visible_rows
self.menu.visible_cols = visible_cols
self.menu.items_per_col = self.menu.visible_rows
self.add(self.menu)
albums_list = [[album.album_art_url, album] for album in albums]
self.menu.async_add_albums(albums_list)
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.HORIZONTAL)
self.li.set_maximum(len(albums))
self.li.show()
self.add(self.li)
# Create album information (displays current menuitem information)
self.album_title = Label(0.045, "title", 0.22, 0.79, "")
self.album_title.set_ellipsize(pango.ELLIPSIZE_END)
self.album_title.set_line_wrap(False)
self.album_title.width = 0.366
self.add(self.album_title)
self.album_artist = Label(0.037, "subtitle", 0.22, 0.86, "")
self.album_artist.set_ellipsize(pango.ELLIPSIZE_END)
self.album_artist.set_line_wrap(False)
self.album_artist.width = 0.366
self.add(self.album_artist)
self.album_tracks = Label(0.037, "subtitle", 0.22, 0.91, "")
self.add(self.album_tracks)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_album_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Albums tab will always be created from an existing artist with at
least one album.'''
return True
def _update_album_info(self, event=None):
'''Update the album information labels.'''
if self.active:
album = self.menu.selected_userdata
self.album_title.set_text(album.title)
self.album_artist.set_text(album.artist)
self.album_tracks.set_text(_("%(total)s tracks") % \
{'total': len(album.tracks)})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.album_title.set_text("")
self.album_artist.set_text("")
self.album_tracks.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
album = self.menu.selected_userdata
kwargs = { 'album' : album }
self.callback("album", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_album_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_album_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class ArtistsTab(Tab):
'''Tab for the music screen to show artist listings'''
def __init__(self, music_library, artists, move_to_new_screen_callback,
name="artists", tab_title=_("Artists")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.library = music_library
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = TextMenu(0.057, 0.208, 0.293, 0.078)
self.menu.items_per_row = 3
self.menu.visible_rows = 7
self.menu.visible_cols = 3
self.menu.active = False
self.menu.cursor = None
self.add(self.menu)
artists_list = [[artist, None, artist] for artist in artists]
self.menu.async_add_artists(artists_list)
# Create artist label
self.artist_title = Label(0.0416, "title", 0.22, 0.794, "")
self.artist_title.set_ellipsize(pango.ELLIPSIZE_END)
self.artist_title.set_line_wrap(False)
self.artist_title.width = 0.366
self.add(self.artist_title)
self.artist_albums = Label(0.0365, "subtitle", 0.22, 0.86, "")
self.add(self.artist_albums)
self.artist_tracks = Label(0.0365, "subtitle", 0.22, 0.911, "")
self.add(self.artist_tracks)
# Create artist menu list indicator
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.VERTICAL)
self.li.set_maximum(len(artists))
self.add(self.li)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_artist_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Albums tab will always be created from an existing artist with at
least one album.'''
return True
def _update_artist_info(self, event=None):
'''Update the artist information labels'''
if self.active:
artist = self.menu.selected_userdata
self.artist_title.set_text(artist)
self.artist_albums.set_text(_("%(albums)d albums") %
{'albums': self.library.number_of_albums_by_artist(artist)})
self.artist_tracks.set_text(_("%(tracks)d tracks") %
{'tracks': self.library.number_of_tracks_by_artist(artist)})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.artist_title.set_text("")
self.artist_albums.set_text("")
self.artist_tracks.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
artist = self.menu.selected_userdata
kwargs = { 'artist' : artist }
self.callback("artist", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_artist_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_artist_info()
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class VideoClipsTab(Tab):
"""
Tab can be used as part of the TabGroup
Tab is a very simple container that contains all the widgets and logic
of the tab page.
"""
def __init__(self,
media_player,
video_library,
move_to_new_screen_callback,
name="clips",
tab_title=_("Video clips")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.media_player = media_player
self.video_library = video_library
self.theme = self.config.theme
self.list_indicator = None
self.clip_info = None
self.menu = None
self.clip_title = None
if self.video_library.get_number_of_video_clips() == 0:
self._create_empty_library_notice()
else:
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.7, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = self._create_menu()
self.add(self.menu)
self.menu.connect("moved", self._update_clip_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
def can_activate(self):
"""
Allow if we have some movies indexed.
"""
if self.video_library.get_number_of_video_clips() == 0:
return False
else:
return True
def _create_empty_library_notice(self):
"""
Create an information box that is displayed if there are no indexed
movies.
"""
message = _(
"There are no indexed Video Clips in the Entertainer media "
"library. Please add some folders containing video clips "
"to the Library using the configuration tool.")
Tab.show_empty_tab_notice(self, _("No video clips available!"),
message)
def _create_menu(self):
"""
Create a view that is displayed when there are indexed clips in
the video library.
"""
menu = ImageMenu(0.04, 0.16, 0.23, self.y_for_x(0.23) * 0.7)
menu.items_per_col = 2
menu.visible_rows = 2
menu.visible_cols = 4
clips = self.video_library.get_video_clips()
clips_list = [[clip.thumbnail_url, clip] for clip in clips]
menu.async_add_clips(clips_list)
# Create list indicator
self.list_indicator = ListIndicator(0.7, 0.8, 0.2, 0.045,
ListIndicator.HORIZONTAL)
self.list_indicator.set_maximum(len(clips))
self.list_indicator.show()
self.add(self.list_indicator)
# Create information labels
self.clip_title = Label(0.042,
"title",
0.15,
0.77,
"",
font_weight="bold")
self.clip_title.set_ellipsize(pango.ELLIPSIZE_END)
self.clip_title.set_line_wrap(False)
self.clip_title.width = 0.5
self.add(self.clip_title)
self.clip_info = Label(0.034, "subtitle", 0.15, 0.85, "")
self.clip_info.set_ellipsize(pango.ELLIPSIZE_END)
self.clip_info.set_line_wrap(False)
self.clip_info.width = 0.5
self.add(self.clip_info)
return menu
def _update_clip_info(self, event=None):
'''Update the VideoClip information labels.'''
if self.active:
clip = self.menu.selected_userdata
(folder, filename) = os.path.split(clip.filename)
self.clip_title.set_text(filename)
self.clip_info.set_text(folder)
self.list_indicator.show()
self.list_indicator.set_current(self.menu.selected_index + 1)
else:
self.clip_title.set_text("")
self.clip_info.set_text("")
self.list_indicator.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
clip = self.menu.selected_userdata
self.media_player.set_media(clip)
self.media_player.play()
self.callback("video_osd")
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_clip_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_clip_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class Photographs(Screen):
'''Screen displays a grid of selectable photograph thumbnails.'''
def __init__(self, move_to_new_screen_callback, title, images):
Screen.__init__(self, 'Photographs', move_to_new_screen_callback)
self.images = images
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, title)
self.add(screen_title)
# Image Title (over album list)
self.image_title = Label(0.04167, "title", 0.0586, 0.7943, " ")
self.image_title.set_ellipsize(pango.ELLIPSIZE_END)
self.add(self.image_title)
self.image_desc = Label(0.04167, "subtitle", 0.0586, 0.9115, " ")
self.image_desc.set_line_wrap(True)
self.image_desc.set_ellipsize(pango.ELLIPSIZE_END)
self.add(self.image_desc)
# Display throbber animation while loading photographs
self.throbber = LoadingAnimation(0.9, 0.9)
self.throbber.show()
self.add(self.throbber)
# List indicator
self.li = None
self._create_list_indicator()
# Create photomenu
self.menu = ImageMenu(0.03, 0.08, 0.12, self.y_for_x(0.12))
self.menu.items_per_col = 3
self.menu.visible_rows = 3
self.menu.visible_cols = 8
self.menu.active = True
self.add(self.menu)
photos = self.images
photos_list = [[Texture(photo.get_thumbnail_url()), photo] \
for photo in photos]
self.menu.async_add(photos_list)
self.menu.connect("selected", self._handle_select)
self.menu.connect('moved', self._update_image_info)
self.menu.connect("filled", self._on_menu_filled)
def _update_image_info(self, event=None):
"""Update image information box."""
image = self.images[self.menu.selected_index]
name = image.get_title()
desc = image.get_description()
self.image_title.set_text(name)
self.image_title.set_size(0.366, 0.04167)
self.image_desc.set_text(desc)
self.image_desc.set_size(0.366, 0.0911)
self.li.set_current(self.menu.selected_index + 1)
def _create_list_indicator(self):
'''Create list indicator for albums list.'''
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.HORIZONTAL)
self.li.set_maximum(len(self.images))
self.add(self.li)
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_left(self):
'''Handle UserEvent.NAVIGATE_LEFT.'''
self.menu.left()
def _handle_right(self):
'''Handle UserEvent.NAVIGATE_RIGHT.'''
self.menu.right()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
index = self.menu.selected_index
kwargs = {'current_photo_index': index, 'images': self.images}
self.callback("photo", kwargs)
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class ScrollArea(Base, clutter.Group):
"""Wrapper of a clutter Group that allows for scrolling. ScrollArea
modifies the width of the content and it assumes that the content uses
percent modification (read: not default clutter objects)."""
__gsignals__ = {
'activated': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'moving': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
}
MODE_SELECTION = 0
MODE_MOTION = 1
MODE_STOP = 2
STEP_SIZE_PERCENT = 0.04
def __init__(self, x, y, width, height, content):
Base.__init__(self)
clutter.Group.__init__(self)
self._motion_buffer = MotionBuffer()
self._offset = 0 # Drives the content motion.
self._offset_max = 0 # Maximum value of offset (equal on bottom).
self._old_offset = 0 # Stores the old value of offset on motions.
self._motion_handler = 0
self._active = None
self.step_size = self.get_abs_y(self.STEP_SIZE_PERCENT)
# Allowed area for the widget's scrolling content.
self.area_width = self.get_abs_x(width)
self.area_height = self.get_abs_y(height)
# Create content position indicator
self.indicator = ListIndicator(3 * width / 4, height, 0.2, 0.045,
ListIndicator.VERTICAL)
self.indicator.hide_position()
self.indicator.set_maximum(2)
self.add(self.indicator)
# A clipped Group to receive the content.
self._fixed_group = clutter.Group()
self._fixed_group.set_clip(0, 0, self.area_width, self.area_height)
self.add(self._fixed_group)
self.content = None
self._motion_timeline = clutter.Timeline(500)
self._motion_timeline.connect('completed',
self._motion_timeline_callback, None)
self._motion_alpha = clutter.Alpha(self._motion_timeline,
clutter.EASE_OUT_SINE)
self._motion_behaviour = LoopedPathBehaviour(self._motion_alpha)
self.set_content(content)
self.active = None
# Preparation to pointer events handling.
self.set_reactive(True)
self.connect('button-press-event', self._on_button_press_event)
self.connect('button-release-event', self._on_button_release_event)
self.connect('scroll-event', self._on_scroll_event)
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
@property
def on_top(self):
"""True if we're on top."""
return self._offset == 0
@property
def on_bottom(self):
"""True if we're on bottom."""
return self._offset == self._offset_max
def _get_active(self):
"""Active property getter."""
return self._active
def _set_active(self, boolean):
"""Active property setter."""
if self._active == boolean:
return
self._active = boolean
if boolean:
# Show indicator if there is need for scrolling.
if self._offset_max >= 0:
self.indicator.show()
self.set_opacity(255)
self.emit('activated')
else:
self.indicator.hide()
self.set_opacity(128)
active = property(_get_active, _set_active)
def _get_offset(self):
"""Get current offset value."""
return self._offset
def _set_offset(self, integer):
"""Set current offset value."""
if self._offset == integer:
return
self._offset = integer
if self._offset < 0:
self._offset = 0
elif self._offset > self._offset_max:
self._offset = self._offset_max
self.content.set_position(0, -self._offset)
# Indicator updates.
if self.on_top:
self.indicator.set_current(1)
elif self.on_bottom:
self.indicator.set_current(2)
offset = property(_get_offset, _set_offset)
def set_content(self, content):
"""Set content into scroll area."""
if self.content is not None:
self._fixed_group.remove(self.content)
self._motion_behaviour.remove(self.content)
self.content = content
self._fixed_group.add(content)
self._offset_max = self.content.get_height() - self.area_height
self._motion_behaviour.apply(self.content)
def stop_animation(self):
"""Stops the timeline driving animation."""
self._motion_timeline.stop()
def scroll_to_top(self):
"""Scroll content back to top."""
self.offset = 0
def scroll_to_bottom(self):
"""Scroll content as much as possible."""
self.offset = self._offset_max
def scroll_up(self):
"""Scroll up by one step size."""
self.offset -= self.step_size
def scroll_down(self):
"""Scroll down by one step size."""
self.offset += self.step_size
def scroll_page_up(self):
"""Scroll up by one page. Page is a scroll area height."""
self.offset -= self.area_height
def scroll_page_down(self):
self.offset += self.area_height
def _update_motion_behaviour(self, target):
"""Preparation of looped behaviour applied to the content."""
self._motion_behaviour.start_knot = (0.0, -self.offset)
self._motion_behaviour.end_knot = (0.0, -target)
self._motion_behaviour.start_index = 0.0
# Need to set the end index to 0.9999. Indeed the LoopedPathBehaviour
# uses an index in [0, 1[. So index = 1 is equivalent to index = 0, the
# Actor will the be placed on the start_knot.
self._motion_behaviour.end_index = 0.9999
def _on_button_press_event(self, actor, event):
"""button-press-event handler."""
clutter.grab_pointer(self)
if not self.handler_is_connected(self._motion_handler):
self._motion_handler = self.connect('motion-event',
self._on_motion_event)
if self._motion_timeline.is_playing():
# A click with an animation pending should stop the animation.
self._motion_timeline.stop()
# Go to MODE_STOP to handle correctly next button-release event.
self._event_mode = self.MODE_STOP
self.offset = -self.content.get_y()
else:
# No animation pending so we're going to do nothing or to move
# all the content.
self._old_offset = self.offset
self._motion_buffer.start(event)
self._event_mode = self.MODE_SELECTION
return False
def _on_button_release_event(self, actor, event):
"""button-release-event handler."""
clutter.ungrab_pointer()
if self.handler_is_connected(self._motion_handler):
self.disconnect_by_func(self._on_motion_event)
self._motion_buffer.compute_from_last_motion_event(event)
if not self.active:
self.active = True
return
if self._event_mode == self.MODE_MOTION:
speed = self._motion_buffer.speed_y_from_last_motion_event
# Calculation of the new target according to vertical speed.
target = self.offset - speed * 200
if target < 0:
target = 0
elif target > self._offset_max:
target = self._offset_max
self._update_motion_behaviour(target)
self._motion_timeline.start()
return False
def _on_motion_event(self, actor, event):
"""motion-event handler."""
# Minimum distance we to move before we consider a motion has started.
motion_threshold = 10
self._motion_buffer.compute_from_start(event)
if self._motion_buffer.distance_from_start > motion_threshold:
self._motion_buffer.take_new_motion_event(event)
self._event_mode = self.MODE_MOTION
self.offset = self._old_offset - self._motion_buffer.dy_from_start
return False
def _on_scroll_event(self, actor, event):
"""scroll-event handler (mouse's wheel)."""
if not self.active:
self.active = True
return
# Do not scroll if there is no need.
if self._offset_max < 0:
return False
if event.direction == clutter.SCROLL_DOWN:
self.scroll_down()
else:
self.scroll_up()
self.emit('moving')
return False
def _motion_timeline_callback(self, timeline, screen):
"""Code executed when the animation is finished."""
self.offset = -self.content.get_y()
class Disc(Screen):
'''Screen allows user to play tracks from the current Audio CD.'''
def __init__(self, music_library, media_player):
Screen.__init__(self, 'Disc')
self.theme = self.config.theme
self.music_library = music_library
self.media_player = media_player
# When album info is loaded we create Playlist object
self.playlist = None
self.art = None
self.art2 = None
self.in_behaviour = None
self.out_behaviour = None
self.li = None
self.track_menu = None
# Screen Title (Displayed at the bottom left corner)
screen_title = Label(0.13, "screentitle", 0, 0.87, _("Audio Disc"),
"screen_title")
self.add(screen_title)
# Display throbber animation while loading CD metadata
self.throbber = LoadingAnimation(0.5, 0.5, 0.1)
self.throbber.show()
self.add(self.throbber)
# Create and initialize screen items
self.has_disc = True
gobject.timeout_add(500, self._get_disc_information)
def _get_disc_information(self):
"""
Fetch album information from the Internet and create widgets based
on received data.
"""
try:
disc = self.music_library.get_compact_disc_information()
title = disc.title
artist = disc.artist
tracks = disc.tracks
self.playlist = Playlist(tracks)
self._create_album_info(title, artist, tracks, disc.length)
self.track_menu = self._create_track_menu(tracks)
self.add(self.track_menu)
self._create_album_cover_texture(artist, title)
self.li = ListIndicator(0.75, 0.8, 0.2, 0.045,
ListIndicator.VERTICAL)
self.li.set_maximum(len(tracks))
self.add(self.li)
art_file = os.path.join(self.config.ALBUM_ART_DIR,
artist + " - " + title + ".jpg")
if artist != "Unknown artist" and not os.path.exists(art_file):
art_search = AlbumArtDownloader(title, artist,
self.config.ALBUM_ART_DIR, self._update_albumart)
art_search.start()
except cdrom.error:
# No disc in drive
self.has_disc = False
no_disc = Label(0.05, "title", 0.5, 0.5,
_("No audio disc in drive"))
no_disc.set_anchor_point_from_gravity(clutter.GRAVITY_CENTER)
self.add(no_disc)
# Remove loading animation
self.throbber.hide()
self.remove(self.throbber)
del self.throbber
# This function should be called only once (gobject timeout)
return False
def _update_albumart(self, artist, title):
"""
Search album art for current audio disc. This function is called only
if album art doesn't exist already. If album art is found then we
replace current disc icon with the new album art.
@param artist: Artist name
@param title: Album title
"""
art_file = os.path.join(self.config.ALBUM_ART_DIR,
artist + " - " + title + ".jpg")
if os.path.exists(art_file):
clutter.threads_enter()
self.art2 = Texture(art_file, 0.1, 0.165)
clutter.threads_leave()
self.art2.set_size(self.get_abs_x(0.3148), self.get_abs_y(0.5599))
self.art2.set_opacity(0)
self.add(self.art2)
timeline_in = clutter.Timeline(35, 26)
alpha_in = clutter.Alpha(timeline_in, clutter.smoothstep_inc_func)
self.in_behaviour = clutter.BehaviourOpacity(0, 255, alpha_in)
self.in_behaviour.apply(self.art2)
timeline_out = clutter.Timeline(35, 26)
alpha_out = clutter.Alpha(timeline_out, clutter.smoothstep_inc_func)
self.out_behaviour = clutter.BehaviourOpacity(255, 0, alpha_out)
self.out_behaviour.apply(self.art)
timeline_out.start()
timeline_in.start()
def _create_album_cover_texture(self, artist, title):
"""
Create a texture that is displayed next to track list. This texture
displays album cover art.
@param artist: Artist
@param title: Title of the album
"""
coverfile = os.path.join(self.config.ALBUM_ART_DIR,
artist + " - " + title + ".jpg")
if(os.path.exists(coverfile)):
pixbuf = gtk.gdk.pixbuf_new_from_file(coverfile)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file(self.theme.getImage("disc"))
self.art = EyeCandyTexture(0.1, 0.13, 0.3148, 0.5599, pixbuf)
self.art.set_rotation(clutter.Y_AXIS, 25, 0, 0, 0)
self.add(self.art)
def _create_album_info(self, title, artist_name, tracks, length):
"""
Create album info labels.
@param title: Album title
@param artist_name: Artist
@param tracks: List of CompactDisc objects
"""
album = Label(0.04167, "text", 0.50146, 0.13,
artist_name + " - " + title, font_weight="bold")
album.set_size(0.4393, 0.06510)
album.set_ellipsize(pango.ELLIPSIZE_END)
self.add(album)
minutes = str(length / 60)
num_of_tracks = Label(0.02604, "subtitle", 0.50146, 0.18,
_("%(total)s tracks, %(time)s minutes") % \
{'total': len(tracks), 'time': minutes}, font_weight="bold")
self.add(num_of_tracks)
def _create_track_menu(self, tracks):
"""
Create a track menu. This menu contains list of all tracks on album.
@param tracks: List of CompactDisc objects
"""
menu = TextMenu(0.4978, 0.2344, 0.4393, 0.0781)
menu.visible_rows = 7
tracks_list = [[track.title, track.length_string, index] \
for index, track in enumerate(tracks)]
menu.async_add(tracks_list)
menu.active = True
menu.connect('selected', self._handle_select)
menu.connect('moved', self._display_selected_track)
return menu
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.track_menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.track_menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
track_index = self.track_menu.selected_userdata
self.playlist.set_current(track_index)
self.media_player.set_playlist(self.playlist)
self.media_player.play()
def handle_user_event(self, event):
'''Handle user events unless there is no disc.'''
if self.has_disc:
Screen.handle_user_event(self, event)
def _display_selected_track(self, event=None):
'''Update of the list indicator.'''
self.li.set_current(self.track_menu.selected_index + 1)