def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
self.songs_table = SongsTableView(self)
self._toolbar = TableToolbar(self)
self._cover_label = QLabel(self)
self._desc_container_folded = True
self._desc_container = DescriptionContainer(self)
self._top_container = QWidget(self)
self._cover_container = QWidget(self._top_container)
self.songs_table.play_song_needed.connect(
lambda song: asyncio.ensure_future(self.play_song(song)))
self.songs_table.show_artist_needed.connect(
lambda artist: self._app.browser.goto(model=artist))
self.songs_table.show_album_needed.connect(
lambda album: self._app.browser.goto(model=album))
self._desc_container.space_pressed.connect(
self.toggle_desc_container_fold)
self._toolbar.toggle_desc_needed.connect(
self.toggle_desc_container_fold)
self._toolbar.play_all_needed.connect(self.play_all)
self.hide()
self._setup_ui()
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
self.meta_widget = SongsTableMetaWidget(parent=self)
self.songs_table = SongsTableView(parent=self)
self.songs_table.play_song_needed.connect(
lambda song: asyncio.ensure_future(self.play_song(song)))
self.songs_table.show_artist_needed.connect(
lambda artist: self._app.browser.goto(model=artist))
self.songs_table.show_album_needed.connect(
lambda album: self._app.browser.goto(model=album))
self.meta_widget.toolbar.play_all_needed.connect(self.play_all)
self.meta_widget.toggle_full_window_needed.connect(self.toggle_meta_full_window)
self.hide()
self._setup_ui()
class SongsTableContainer(QFrame):
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
self.songs_table = SongsTableView(self)
self._toolbar = TableToolbar(self)
self._cover_label = QLabel(self)
self._desc_container_folded = True
self._desc_container = DescriptionContainer(self)
self._top_container = QWidget(self)
self._cover_container = QWidget(self._top_container)
self.songs_table.play_song_needed.connect(
lambda song: asyncio.ensure_future(self.play_song(song)))
self.songs_table.show_artist_needed.connect(
lambda artist: self._app.browser.goto(model=artist))
self.songs_table.show_album_needed.connect(
lambda album: self._app.browser.goto(model=album))
self._desc_container.space_pressed.connect(
self.toggle_desc_container_fold)
self._toolbar.toggle_desc_needed.connect(
self.toggle_desc_container_fold)
self._toolbar.play_all_needed.connect(self.play_all)
self.hide()
self._setup_ui()
def _setup_ui(self):
self._left_sub_layout = QVBoxLayout(self._cover_container)
self._top_layout = QHBoxLayout(self._top_container)
self._layout = QVBoxLayout(self)
self._cover_label.setMinimumWidth(200)
self._right_sub_layout = QVBoxLayout()
self._right_sub_layout.addWidget(self._desc_container)
self._right_sub_layout.addWidget(self._toolbar)
self._left_sub_layout.addWidget(self._cover_label)
self._left_sub_layout.addStretch(0)
# 根据 Qt 文档中所说，在大部分平台中，ContentMargin 为 11
self._left_sub_layout.setContentsMargins(0, 0, 11, 0)
self._left_sub_layout.setSpacing(0)
self._top_layout.addWidget(self._cover_container)
self._top_layout.addLayout(self._right_sub_layout)
self._top_layout.setStretch(1, 1)
self.setAutoFillBackground(False)
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.setSpacing(0)
self._layout.addWidget(self._top_container)
self._layout.addWidget(self.songs_table)
self._top_container.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Maximum)
# FIXME: 更好的计算宽度和高度
# 目前是假设知道自己初始化高度大约是 530px
# 之后可以考虑按比例来计算
self.overview_height = 180
self._top_container.setMaximumHeight(self.overview_height)
self._songs_table_height = 530 - self.overview_height
self.songs_table.setMinimumHeight(self._songs_table_height)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
async def play_song(self, song):
await async_run(lambda: song.url)
self._app.player.play_song(song)
def play_all(self):
songs = self.songs_table.model().songs
self._app.player.playlist.clear()
for song in songs:
self._app.player.playlist.add(song)
self._app.player.play_next()
async def show_model(self, model):
model_type = ModelType(model._meta.model_type)
if model_type == ModelType.album:
func = self.show_album
elif model_type == ModelType.artist:
func = self.show_artist
elif model_type == ModelType.playlist:
func = self.show_playlist
else:
def func(model):
pass # seems silly
await func(model)
def show_player_playlist(self, songs):
self.show_songs(songs)
self.songs_table.song_deleted.connect(
lambda song: self._app.playlist.remove(song))
def set_desc(self, desc):
self._desc_container.show()
self._desc_container.set_html(desc)
async def show_playlist(self, playlist):
self._top_container.show()
loop = asyncio.get_event_loop()
if playlist.meta.allow_create_songs_g:
songs_g = playlist.create_songs_g()
self._show_songs(songs_g=songs_g)
else:
songs = await async_run(lambda: playlist.songs, loop=loop)
self._show_songs(songs)
desc = '<h2>{}</h2>\n{}'.format(playlist.name, playlist.desc or '')
self.set_desc(desc)
if playlist.cover:
loop.create_task(self.show_cover(playlist.cover))
def remove_song(song):
model = self.songs_table.model()
row = model.songs.index(song)
msg = 'remove {} from {}'.format(song, playlist)
with self._app.create_action(msg) as action:
rv = playlist.remove(song.identifier)
if rv:
model.removeRow(row)
else:
action.failed()
self.songs_table.song_deleted.connect(lambda song: remove_song(song))
async def show_artist(self, artist):
self._top_container.show()
loop = asyncio.get_event_loop()
songs = songs_g = None
if artist.meta.allow_create_songs_g:
songs_g = artist.create_songs_g()
else:
songs = await async_run(lambda: artist.songs)
if songs_g is not None:
self._show_songs(songs_g=songs_g)
else:
self._show_songs(songs=songs)
desc = await async_run(lambda: artist.desc)
self.set_desc(desc or '<h2>{}</h2>'.format(artist.name))
if artist.cover:
loop.create_task(self.show_cover(artist.cover))
async def show_album(self, album):
self._top_container.show()
loop = asyncio.get_event_loop()
songs = await async_run(lambda: album.songs)
self._show_songs(songs)
desc = await async_run(lambda: album.desc)
self.set_desc(desc or '<h2>{}</h2>'.format(album.name))
if album.cover:
loop.create_task(self.show_cover(album.cover))
def show_collection(self, collection):
self._top_container.hide()
self.show_songs(collection.models)
self.songs_table.song_deleted.connect(collection.remove)
async def show_url(self, url):
model = self._app.protocol.get_model(url)
if model.meta.model_type == ModelType.song:
self._app.player.play_song(model)
else:
# TODO: add artist/album/user support
self._app.show_msg('暂时只支持歌曲，不支持其它歌曲资源')
async def show_cover(self, cover):
# FIXME: cover_hash may not work properly someday
cover_uid = cover.split('/', -1)[-1]
content = await self._app.img_mgr.get(cover, cover_uid)
img = QImage()
img.loadFromData(content)
pixmap = QPixmap(img)
if not pixmap.isNull():
self.set_cover(pixmap)
self.update()
def _show_songs(self, songs=None, songs_g=None):
try:
self.songs_table.song_deleted.disconnect()
except TypeError: # no connections at all
pass
self.show()
self.songs_table.show()
songs = songs or []
logger.debug('Show songs in table, total: %d', len(songs))
source_name_map = {
p.identifier: p.name
for p in self._app.library.list()
}
if songs_g is not None: # 优先使用生成器
self.songs_table.setModel(
SongsTableModel(source_name_map=source_name_map,
songs_g=songs_g,
parent=self.songs_table))
else:
self.songs_table.setModel(
SongsTableModel(songs=songs,
source_name_map=source_name_map,
parent=self.songs_table))
self.songs_table.scrollToTop()
def show_songs(self, songs):
self._show_songs(songs)
self._top_container.show()
self.hide_desc()
self.hide_cover()
def set_cover(self, pixmap):
self._cover_container.show()
self._cover_label.setPixmap(
pixmap.scaledToWidth(self._cover_label.width(),
mode=Qt.SmoothTransformation))
def toggle_desc_container_fold(self):
# TODO: add toggle animation?
if self._desc_container_folded:
self._top_container.setMaximumHeight(4000)
self.songs_table.hide()
self._desc_container_folded = False
else:
self._top_container.setMaximumHeight(self.overview_height)
self.songs_table.show()
self._desc_container_folded = True
def search(self, text):
if self.isVisible() and self.songs_table is not None:
self.songs_table.filter_row(text)
def hide_cover(self):
self._cover_container.hide()
def hide_desc(self):
self._desc_container.hide()
class TableContainer(QFrame):
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
self.toolbar = SongsTableToolbar()
self.meta_widget = TableMetaWidget(self.toolbar, parent=self)
self.songs_table = SongsTableView(parent=self)
self.albums_table = AlbumListView(parent=self)
self.songs_table.play_song_needed.connect(
lambda song: asyncio.ensure_future(self.play_song(song)))
self.songs_table.show_artist_needed.connect(
lambda artist: self._app.browser.goto(model=artist))
self.songs_table.show_album_needed.connect(
lambda album: self._app.browser.goto(model=album))
self.meta_widget.toolbar.play_all_needed.connect(self.play_all)
self.meta_widget.toggle_full_window_needed.connect(
self.toggle_meta_full_window)
self.hide()
self._setup_ui()
self._delegate = None
def _setup_ui(self):
self.setAutoFillBackground(False)
self._layout = QVBoxLayout(self)
self._layout.addWidget(self.meta_widget)
self._layout.addWidget(self.songs_table)
self._layout.addWidget(self.albums_table)
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.setSpacing(0)
async def set_delegate(self, delegate):
"""set ui delegate
TODO: add lock for set_delegate
"""
if delegate is None:
return
# firstly, tear down everything
# tear down last delegate
if self._delegate is not None:
await self._delegate.tearDown()
self.meta_widget.clear()
self.songs_table.hide()
self.albums_table.hide()
# disconnect songs_table signal
signals = (
self.songs_table.song_deleted,
self.meta_widget.toolbar.show_albums_needed,
self.meta_widget.toolbar.show_songs_needed,
self.albums_table.show_album_needed,
)
for signal in signals:
try:
signal.disconnect()
except TypeError:
pass
# secondly, prepare environment
self.show()
# thirdly, setup new delegate
await delegate.setUp(self)
self._delegate = delegate
await self._delegate.render()
async def play_song(self, song):
self._app.player.play_song(song)
def play_all(self):
task_name = 'play-all'
task_spec = self._app.task_mgr.get_or_create(task_name)
def songs_g_readall_cb(task):
try:
songs = task.result()
except asyncio.CancelledError:
pass
except ProviderIOError as e:
self._app.show_msg('[play-all] read songs failed: {}'.format(
str(e)))
else:
self._app.player.play_songs(songs=songs)
finally:
self.meta_widget.toolbar.enter_state_playall_end()
model = self.songs_table.model()
songs_g = model.songs_g
if songs_g is not None and songs_g.allow_random_read:
task = task_spec.bind_blocking_io(songs_g.readall)
self.meta_widget.toolbar.enter_state_playall_start()
task.add_done_callback(songs_g_readall_cb)
return
songs = model.songs
self._app.player.play_songs(songs=songs)
async def show_model(self, model):
model_type = ModelType(model.meta.model_type)
if model_type == ModelType.album:
delegate = AlbumDelegate(model)
elif model_type == ModelType.artist:
delegate = ArtistDelegate(model)
elif model_type == ModelType.playlist:
delegate = PlaylistDelegate(model)
else:
delegate = None
await self.set_delegate(delegate)
def show_collection(self, coll):
delegate = CollectionDelegate(coll)
aio.create_task(self.set_delegate(delegate))
def show_songs(self, songs=None, songs_g=None):
"""(DEPRECATED) provided only for backward compatibility"""
delegate = Delegate()
task = aio.create_task(self.set_delegate(delegate))
task.add_done_callback(
lambda _: delegate.show_songs(songs=songs, songs_g=songs_g))
def show_albums(self, albums_g):
delegate = Delegate()
task = aio.create_task(self.set_delegate(delegate))
task.add_done_callback(lambda _: delegate.show_albums(albums_g))
def show_player_playlist(self):
aio.create_task(self.set_delegate(PlayerPlaylistDelegate()))
def search(self, text):
if self.isVisible() and self.songs_table is not None:
self.songs_table.filter_row(text)
def toggle_meta_full_window(self, fullwindow_needed):
if fullwindow_needed:
self.songs_table.hide()
else:
self.songs_table.show()
class SongsTableContainer(QFrame):
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
self.meta_widget = TableMetaWidget(parent=self)
self.songs_table = SongsTableView(parent=self)
self.songs_table.play_song_needed.connect(
lambda song: asyncio.ensure_future(self.play_song(song)))
self.songs_table.show_artist_needed.connect(
lambda artist: self._app.browser.goto(model=artist))
self.songs_table.show_album_needed.connect(
lambda album: self._app.browser.goto(model=album))
self.meta_widget.toolbar.play_all_needed.connect(self.play_all)
self.meta_widget.toggle_full_window_needed.connect(
self.toggle_meta_full_window)
self.hide()
self._setup_ui()
def _setup_ui(self):
self.setAutoFillBackground(False)
self._layout = QVBoxLayout(self)
self._layout.addWidget(self.meta_widget)
self._layout.addWidget(self.songs_table)
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.setSpacing(0)
async def play_song(self, song):
await async_run(lambda: song.url)
self._app.player.play_song(song)
def play_all(self):
songs = self.songs_table.model().songs
self._app.player.playlist.clear()
for song in songs:
self._app.player.playlist.add(song)
self._app.player.play_next()
async def show_model(self, model):
model_type = ModelType(model._meta.model_type)
if model_type == ModelType.album:
func = self.show_album
elif model_type == ModelType.artist:
func = self.show_artist
elif model_type == ModelType.playlist:
func = self.show_playlist
else:
def func(model):
pass # seems silly
await func(model)
def show_player_playlist(self, songs):
self.show_songs(songs)
self.songs_table.song_deleted.connect(
lambda song: self._app.playlist.remove(song))
async def show_playlist(self, playlist):
loop = asyncio.get_event_loop()
if playlist.meta.allow_create_songs_g:
songs_g = playlist.create_songs_g()
self._show_songs(songs_g=songs_g)
else:
songs = await async_run(lambda: playlist.songs, loop=loop)
self._show_songs(songs)
self.meta_widget.clear()
self.meta_widget.title = playlist.name
desc = await async_run(lambda: playlist.desc)
self.meta_widget.desc = desc
if playlist.cover:
loop.create_task(self.show_cover(playlist.cover))
def remove_song(song):
model = self.songs_table.model()
row = model.songs.index(song)
msg = 'remove {} from {}'.format(song, playlist)
with self._app.create_action(msg) as action:
rv = playlist.remove(song.identifier)
if rv:
model.removeRow(row)
else:
action.failed()
self.songs_table.song_deleted.connect(lambda song: remove_song(song))
async def show_artist(self, artist):
loop = asyncio.get_event_loop()
songs = songs_g = None
if artist.meta.allow_create_songs_g:
songs_g = artist.create_songs_g()
else:
songs = await async_run(lambda: artist.songs)
if songs_g is not None:
self._show_songs(songs_g=songs_g)
else:
self._show_songs(songs=songs)
desc = await async_run(lambda: artist.desc)
self.meta_widget.clear()
self.meta_widget.title = artist.name
self.meta_widget.desc = desc
if artist.cover:
loop.create_task(self.show_cover(artist.cover))
async def show_album(self, album):
loop = asyncio.get_event_loop()
songs = await async_run(lambda: album.songs)
self.meta_widget.clear()
self._show_songs(songs)
desc = await async_run(lambda: album.desc)
self.meta_widget.title = album.name
self.meta_widget.desc = desc
if album.cover:
loop.create_task(self.show_cover(album.cover))
def show_collection(self, collection):
self.meta_widget.clear()
self.meta_widget.title = collection.name
self.meta_widget.updated_at = collection.updated_at
self.meta_widget.created_at = collection.created_at
self._show_songs(collection.models)
self.songs_table.song_deleted.connect(collection.remove)
async def show_url(self, url):
model = self._app.protocol.get_model(url)
if model.meta.model_type == ModelType.song:
self._app.player.play_song(model)
else:
# TODO: add artist/album/user support
self._app.show_msg('暂时只支持歌曲，不支持其它歌曲资源')
async def show_cover(self, cover):
# FIXME: cover_hash may not work properly someday
cover_uid = cover.split('/', -1)[-1]
content = await self._app.img_mgr.get(cover, cover_uid)
img = QImage()
img.loadFromData(content)
pixmap = QPixmap(img)
if not pixmap.isNull():
self.set_cover(pixmap)
self.update()
def _show_songs(self, songs=None, songs_g=None):
try:
self.songs_table.song_deleted.disconnect()
except TypeError: # no connections at all
pass
self.show()
self.songs_table.show()
songs = songs or []
logger.debug('Show songs in table, total: %d', len(songs))
source_name_map = {
p.identifier: p.name
for p in self._app.library.list()
}
if songs_g is not None: # 优先使用生成器
self.songs_table.setModel(
SongsTableModel(source_name_map=source_name_map,
songs_g=songs_g,
parent=self.songs_table))
else:
self.songs_table.setModel(
SongsTableModel(songs=songs,
source_name_map=source_name_map,
parent=self.songs_table))
self.songs_table.scrollToTop()
def show_songs(self, songs=None, songs_g=None):
self.meta_widget.clear()
self._show_songs(songs=songs, songs_g=songs_g)
def search(self, text):
if self.isVisible() and self.songs_table is not None:
self.songs_table.filter_row(text)
def set_cover(self, pixmap):
self.meta_widget.set_cover_pixmap(pixmap)
def toggle_meta_full_window(self, fullwindow_needed):
if fullwindow_needed:
self.songs_table.hide()
else:
self.songs_table.show()