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feat: three playback mode "one-shot", "loop", "random"

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fix: bugs when you are on the last item and you want
remove it.

Some tips for testing:
Observe the behavior when you are playing the last
item and you remove the last item, for all three modes.
This commit is contained in:
Terry Geng
2020-02-26 22:09:53 +08:00
parent 388016a5af
commit 6a1320f8f9
5 changed files with 97 additions and 37 deletions
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34
media/playlist.py
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@ -6,12 +6,20 @@ import json
import logging
class PlayList(list):
current_index = 0
current_index = -1
version = 0 # increase by one after each change
mode = "one-shot" # "loop", "random"
def __init__(self, *args):
super().__init__(*args)
def set_mode(self, mode):
# modes are "one-shot", "loop", "random"
self.mode = mode
var.db.set('playlist', 'mode', mode)
if mode == "random":
self.randomize()
def append(self, item):
self.version += 1
item = util.get_music_tag_info(item)
@ -45,15 +53,27 @@ class PlayList(list):
return items
def next(self):
self.version += 1
if len(self) == 0:
return False
self.version += 1
logging.debug("playlist: Next into the queue")
self.current_index = self.next_index()
return self[self.current_index]
if self.current_index < len(self) - 1:
self.current_index += 1
return self[self.current_index]
else:
self.current_index = 0
if self.mode == "one-shot":
self.clear()
return False
elif self.mode == "loop":
return self[0]
elif self.mode == "random":
self.randomize()
return self[0]
else:
raise TypeError("Unknown playlist mode '%s'." % self.mode)
def update(self, item, index=-1):
self.version += 1
@ -116,8 +136,8 @@ class PlayList(list):
def clear(self):
self.version += 1
self.current_index = 0
self.clear()
self.current_index = -1
super().clear()
def save(self):
var.db.remove_section("playlist_item")